CN103112486A - Rotational joint and baby stroller - Google Patents
Rotational joint and baby stroller Download PDFInfo
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- CN103112486A CN103112486A CN2013100641449A CN201310064144A CN103112486A CN 103112486 A CN103112486 A CN 103112486A CN 2013100641449 A CN2013100641449 A CN 2013100641449A CN 201310064144 A CN201310064144 A CN 201310064144A CN 103112486 A CN103112486 A CN 103112486A
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- end cap
- groove
- fluted disc
- rotary joint
- gear ring
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Abstract
Disclosed are a rotational joint and a baby stroller with the same. When a protrusion of the rotational joint is inserted into a first groove, a first end cap and a second end cap can rotate unidirectionally under control of a rotation limit mechanism. During unidirectional rotation, a rotation slider rotates together with the first end cap under the actions of an elastic part, and when the rotation limit mechanism is at the limit during unidirectional rotation, the first end cap and the second end cap keeps rotating, so that the protrusion is inserted into a second groove, the rotation slider axially slides along a first shaft to drive a second gear disc to axially slide along the first shaft, a first gear ring and a second gear ring are separated, and the first end cap and the second end cap can rotate backwards. When the rotation limit mechanism is at the limit during backward rotation, the first end cap and the second end cap keeps rotating backwards, so that the protrusion is inserted into the first groove, and the first gear ring and the second gear ring mesh together again. Accordingly, angles can be unidirectionally adjusted, and use is convenient.
Description
Technical field
the perambulator that the present invention relates to a kind of rotary joint and there is this rotary joint.
Background technology
rotary joint of the prior art and the perambulator with this rotary joint, its rotary joint normally comprises the first end cap, the second end cap be rotationally connected by the first axle with described the first end cap, there is the first teeth groove in the first end cap, there is the second teeth groove in the second end cap, go back turning set in the first rotating shaft and be provided with the slide teeth piece, the slide teeth piece is between the first end cap and the second end cap, rotary joint has latched position and unlocked position, when rotary joint under latched position, the slide teeth piece is positioned at the first teeth groove and the second teeth groove, tooth on the slide teeth piece is meshed with the tooth in the second teeth groove with the tooth in the first teeth groove respectively, the first end cap and the second end cap are stationary state, when rotary joint is in the unlocked position down, described slide teeth piece only is positioned at the first teeth groove or the second teeth groove, the first end cap and the second end cap are free rotary state.
Summary of the invention
the technical problem to be solved in the present invention is to provide a kind of rotary joint.
in order to solve the problems of the technologies described above, a kind of technical scheme that the present invention adopts is: a kind of rotary joint, comprise the first end cap, the second end cap be rotationally connected by the first axle with described the first end cap, described first end covers and is provided with the first fluted disc, described the second end cap is provided with the second fluted disc, there is the first gear ring formed by helical teeth on a sidepiece on described the first fluted disc, there is the second gear ring formed by helical teeth on one sidepiece of described the second fluted disc, described rotary joint also comprises the rotational slide piece that can rotate and slide around the first axle, described rotational slide piece is between described the first fluted disc and described the second fluted disc, offer the first groove and the second groove on one in two of described the first fluted disc and described rotational slide pieces, described the first groove is adjacent with described the second groove, and described the first groove is deeper than described the second groove, there is the lug boss that can close with described the first groove or described the second groove phase inserting on another in two of described the first fluted disc and described rotational slide pieces,
described rotary joint has latched position and unlocked position, when described lockout mechanism under latched position, described the first gear ring is meshed with described the second gear ring, described lug boss is inserted in described the first groove, when described lockout mechanism is in the unlocked position down, described the first gear ring and described the second gear ring are separated, and described lug boss inserts in described the second groove
be provided with the rotating and limiting mechanism of the rotational angle range of relative described the first axle of the described rotational slide piece of restriction between described rotational slide tooth piece and described the second fluted disc,
described rotary joint also comprises can make the first fluted disc be meshed with described the second fluted disc stable and simultaneously described lug boss and described the first groove or close stable elastic component with described the second groove phase inserting.
in some embodiments, described the second groove is consistent with the direction of tilt of tooth on described the second gear ring with respect to the position distribution of the first groove.
in some embodiments, described the first fluted disc is fixed on described first end and covers, and described the second fluted disc only can be slidably arranged in along the direction of axis line of described the first axle on described the second end cap.
in some further embodiment, described elastic component is arranged between described the second fluted disc and described the second end cap.
in some another further embodiment, there is the guide groove of length along the direction of axis line extension of described the first axle on described the second end cap, there is the guiding convex tendon on described the second fluted disc, described guiding convex tendon is inserted in described guide groove.
in some embodiments, described elastic component is arranged between described the second fluted disc and described the first axle.
in some embodiments, described rotational slide piece is positioned at described the second gear ring.
in some embodiments, described rotating and limiting mechanism comprise be arranged on first on described the second fluted disc projection with the second projection, be arranged on the 3rd projection on described the first fluted disc, described the 3rd projection is between described the first projection and described the second projection.
the another technical matters that the present invention will solve is to provide a kind of perambulator.
in order to solve the problems of the technologies described above, a kind of technical scheme that the present invention adopts is: a kind of perambulator, the perambulator that includes the embodiment of the described rotary joint of above any one, described perambulator comprises the first rod member, the second rod member, described the first end cap is fixed in an end of described the first rod member, and described the second end cap is fixed in an end of described the second rod member.
above related to the noun of locality such as upper and lower, forward and backward at the go-cart vehicle frame under expanded position, braking mechanism defines under normal danger.
scope of the present invention, be not limited to the technical scheme that the particular combination of above-mentioned technical characterictic forms, and also should contain by above-mentioned technical characterictic or its equivalent feature and carry out combination in any and other technical scheme of forming simultaneously.The technical characterictic that has a similar functions such as disclosed in above-mentioned feature and the application (but being not limited to) is replaced mutually and technical scheme of forming etc.
because technique scheme is used, the present invention compared with prior art has following advantages: in the time of in lug boss is inserted in the first groove, because the first gear ring and the second gear ring are respectively helical teeth, between the first end cap and the second end cap, can one direction rotate, its slewing area is subject to the control of rotating and limiting mechanism, in the process of unidirectional rotation, under the effect of elastic component, the rotational slide piece together rotates with the first end cap, working as rotating and limiting mechanism during unidirectional rotation extremely prescribes a time limit, the first end cap and the second end cap are rotated in continuation, make lug boss be inserted in the second groove, the rotational slide piece is along the axial slip of the first axle, thereby drive the axial slip of the second fluted disc along the first axle, make the first gear ring and the second gear ring throw off mutually, the first end cap and the second end cap can turn round, working as rotating and limiting mechanism during revolution extremely prescribes a time limit, continuation is by the first end cap and the revolution of the second end cap, make lug boss insert the first groove, the first gear ring and the second gear ring have meshed together again, the user not only can be as required and the first end cap and the second end cap but also can unidirectional rotation, adjusted angle, easy to use.
The accompanying drawing explanation
the schematic diagram that accompanying drawing 1 is rotary joint unidirectional rotation reference position under latched position;
accompanying drawing 2 is rotary joint schematic diagram in unidirectional rotation process under latched position;
accompanying drawing 3 is rotary joint in latched position to the schematic diagram in the unlocked position switching process;
accompanying drawing 4 is rotary joint schematic diagram in turning course under unlocked position;
the exploded drawings one that accompanying drawing 5 is rotary joint (embodiment mono-);
the exploded drawings two that accompanying drawing 6 is rotary joint (embodiment mono-);
accompanying drawing 7 is the schematic diagram (working as rotating and limiting mechanism during unidirectional rotation to end position) that the first end cap and the second end cap are separated;
accompanying drawing 8 is the schematic diagram (working as rotating and limiting mechanism during revolution to end position) that the first end cap and the second end cap are separated;
the A-A section-drawing (rotary joint is under latched position) that accompanying drawing 9 is accompanying drawing 1;
accompanying drawing 10 is the section-drawing of rotary joint (rotary joint is in the unlocked position down);
the exploded drawings one that accompanying drawing 11 is rotary joint (embodiment bis-);
the exploded drawings two that accompanying drawing 12 is rotary joint (embodiment bis-);
wherein: 11, the first end cap; 12, the first fluted disc; 13, the first gear ring; 14, lug boss; 21, the second end cap; 22, the second fluted disc; 23, the second gear ring; 24, guide groove; 25, guiding convex tendon; 26, the first projection; 27, the second projection; 31, rotational slide piece; 32, the first groove; 33, the second groove; 34, the 3rd projection; 41, the first axle; 51, elastic component.
The specific embodiment
embodiment mono-: as shown in accompanying drawing 1-accompanying drawing 10, a kind of rotary joint, the second end cap 21 that comprises the first end cap 11, is rotationally connected by the first axle 41 with the first end cap 11, be provided with the first fluted disc 12 on the first end cap 11, the second end cap 21 is provided with the second fluted disc 22, the first fluted disc 12 is fixed on the first end cap 11, and the second fluted disc 22 only can be slidably arranged in along the direction of axis line of the first axle 41 on the second end cap 21.
as shown in accompanying drawing 5-accompanying drawing 10, there is the first gear ring 13 formed by helical teeth on a sidepiece on the first fluted disc 12, there is the second gear ring 23 formed by helical teeth on one sidepiece of the second fluted disc 22, rotary joint also comprises the rotational slide piece 31 that can rotate and slide around the first axle 41, and rotational slide piece 31 is between the first fluted disc 12 and the second fluted disc 22.
offer the first groove 32 and the second groove 33 on rotational slide piece 31, the first groove 32 is adjacent with the second groove 33, and the first groove 32 is deeper than the second groove 33, there is the lug boss 14 that can close with the first groove 32 or the second groove 33 phase insertings on the first fluted disc 12, the second groove 33 is consistent with the direction of tilt of tooth on the second gear ring 23 with respect to the position distribution of the first groove 32, tiltedly, the second groove 33 is positioned at which side of the first groove 32 in i.e. which inclination of teeth directional on the second gear ring 23.
rotary joint has latched position and unlocked position, as shown in Figure 9, when lockout mechanism under latched position, the first gear ring 13 is meshed with the second gear ring 23, and lug boss 14 is inserted in the first groove 32, as shown in Figure 10, when lockout mechanism is in the unlocked position down, the first gear ring 13 and the second gear ring 23 are separated, and lug boss 14 inserts in the second groove 33
be provided with the rotating and limiting mechanism of the rotational angle range of relative the first axle 41 of restricting rotation sliding shoe 31 between rotational slide tooth piece 31 and the second fluted disc 22,
rotary joint also comprises can make the first fluted disc 12 be meshed with the second fluted disc 22 stable and simultaneously lug boss 14 and the first groove 32 or close stable elastic component 51 with the second groove 33 phase insertings.
in the present embodiment, elastic component 51 is arranged between the second fluted disc 22 and the second end cap 21.Elastic component 51 can also be arranged between the second fluted disc 22 and the first axle 41.
as shown in Figure 6, about the mounting structure of the second fluted disc 22, have length on the second end cap 21 and have guiding convex tendon 25 on guide groove 24, the second fluted discs 22 of the direction of axis line extension of the first axle 41, guiding convex tendon 25 is inserted in guide groove 24.
rotating and limiting mechanism comprises and is arranged on first on the second fluted disc 22 projection the 26 and second projection 27, is arranged on the 3rd projection 34, the three projections 34 on the first fluted disc 12 between first protruding the 26 and second projection 27.As shown in Figure 7, rotary joint is worked as rotating and limiting mechanism to end position when unidirectional rotation, and the 3rd projection the 34 and second projection 27 is inconsistent, as shown in Figure 8, works as rotating and limiting mechanism during revolution to end position, and the 3rd projection 34 and first protruding 26 is inconsistent.
under the state of rotary joint at Fig. 1, as shown in Figure 9, under latched position, lug boss 14 is inserted in the first groove 32, and the first gear ring 13 is meshed with the second gear ring 23.The first fluted disc 11 is because the unidirectional tooth in inclined-plane can only be pulled rotation according to Fig. 2 direction of arrow.As shown in Figure 2, rotary joint is under latched position, the first end cap 11 can only be along relative the second end cap 21 unidirectional rotation of the direction of arrow, the first gear ring 13 and tooth position of the every movement of the second gear ring 23 are angle gears, under the elastic force of elastic component 51, relative the second fluted disc 22 rotation of the first fluted disc 12 driven rotary sliding shoes 31, when rotating to shown in Fig. 2, Fig. 7 under position, the 3rd projection the 34 and second projection 27 is inconsistent, and rotational slide piece 31 can not rotate relative to the second fluted disc 22 again.As shown in Figure 3, the first end cap 11 is continued to relative the second end cap 21 and press the arrow rotation, now the lug boss 14 on the first fluted disc 12 pushes 31 slips of rotational slide piece by the inclined-plane in the first groove 32 on rotational slide piece 31, until, as shown in figure 10, lug boss 14 falls into 33 li of the second grooves, and now the first gear ring separates mutually with the second gear ring.The first end cap 11 now can be as Fig. 4 direction of arrow rotation revolution, and lug boss 14 rotational slide piece 31 rotations simultaneously, rotate to as shown in Figure 8, and now the 3rd projection 34 has been encountered the first projection 26, and rotational slide piece 31 can not rotate with respect to the second fluted disc 22 again.Now, when the first end cap 11 continues rotation, thereby the inclined-plane of the lug boss 14 now on the first end cap 11 by rotational slide piece 31 second grooves 33 pushes and drops in the first groove 32.Now the first end cap 11 is in Fig. 1 state.
embodiment bis-, as shown in accompanying drawing 11, accompanying drawing 12, embodiment bis-is with the difference of embodiment mono-: the second fluted disc 22 is with together with the second end cap 21 fixes, can not slide, therefore rotary joint is under latched position is converted to unlocked position, the second end cap 21 can move axially by relative the first axle 41, and elastic component 51 is arranged between the second fluted disc 22 and the first axle 41, is arranged between the second end cap 21 and the first axle 41.
a kind of perambulator, adopt above-mentioned rotary joint, be convenient to the user and adjust the angle needs between the first rod member and the second rod member, perambulator comprises the first rod member, the second rod member, the first end cap 11 is fixed in an end of the first rod member, and the second end cap 21 is fixed in an end of the second rod member.
as mentioned above, we are illustrated according to aim of the present invention fully, but the present invention is not limited to above-described embodiment and implementation method.The practitioner of correlative technology field can carry out different variations and enforcement in the scope of technological thought license of the present invention.
Claims (9)
1. a rotary joint, comprise the first end cap (11), the second end cap (21) be rotationally connected by the first axle (41) with described the first end cap (11), it is characterized in that: be provided with the first fluted disc (12) on described the first end cap (11), described the second end cap (21) is provided with the second fluted disc (22), there is the first gear ring (13) formed by helical teeth on a sidepiece on described the first fluted disc (12), there is the second gear ring (23) formed by helical teeth on one sidepiece of described the second fluted disc (22), described rotary joint also comprises the rotational slide piece (31) that can rotate and slide around the first axle (41), described rotational slide piece (31) is positioned between described the first fluted disc (12) and described the second fluted disc (22), offer the first groove (32) and the second groove (33) on one in (31) two of described the first fluted disc (12) and described rotational slide pieces, described the first groove (32) is adjacent with described the second groove (33), and described the first groove (32) is deeper than described the second groove (33), there is the lug boss (14) that can close with described the first groove (32) or described the second groove (33) phase inserting on another in (31) two of described the first fluted disc (12) and described rotational slide pieces
Described rotary joint has latched position and unlocked position, when described lockout mechanism under latched position, described the first gear ring (13) is meshed with described the second gear ring (23), described lug boss (14) is inserted in described the first groove (32), when described lockout mechanism is in the unlocked position down, described the first gear ring (13) is separated with described the second gear ring (23), and described lug boss (14) inserts in described the second groove (33)
Be provided with the rotating and limiting mechanism of the rotational angle range of restriction described rotational slide piece (31) relative described the first axles (41) between described rotational slide tooth piece (31) and described the second fluted disc (22),
Described rotary joint also comprise can make the first fluted disc (12) with described the second fluted disc (22), be meshed stable and simultaneously described lug boss (14) with described the first groove (32) or close stable elastic component (51) with described the second groove (33) phase inserting.
2. rotary joint according to claim 1 is characterized in that: described the second groove (33) is consistent with the direction of tilt of tooth on described the second gear ring (23) with respect to the position distribution of the first groove (32).
3. rotary joint according to claim 1, it is characterized in that: it is upper that described the first fluted disc (12) is fixed on described the first end cap (11), and described the second fluted disc (22) only can be slidably arranged on described the second end cap (21) along the direction of axis line of described the first axle (41).
4. rotary joint according to claim 3, it is characterized in that: described elastic component (51) is arranged between described the second fluted disc (22) and described the second end cap (21).
5. rotary joint according to claim 3, it is characterized in that: there is the guide groove (24) of length along the direction of axis line extension of described the first axle (41) on described the second end cap (21), have guiding convex tendon (25) on described the second fluted disc (22), described guiding convex tendon (25) is inserted in described guide groove (24).
6. rotary joint according to claim 1, it is characterized in that: described elastic component (51) is arranged between described the second fluted disc (22) and described the first axle (41).
7. rotary joint according to claim 1, it is characterized in that: described rotational slide piece (31) is positioned at described the second gear ring (23).
8. rotary joint according to claim 1, it is characterized in that: described rotating and limiting mechanism comprise the first projection (26) of being arranged on described the second fluted disc (22) with the second projection (27), be arranged on the 3rd projection (34) on described the first fluted disc (12), described the 3rd projection (34) is positioned between described the first projection (26) and described the second projection (27).
9. according to the perambulator of the described rotary joint of any one in claim 1-8, it is characterized in that: described perambulator comprises the first rod member, the second rod member, described the first end cap (11) is fixed in an end of described the first rod member, and described the second end cap (21) is fixed in an end of described the second rod member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310064144.9A CN103112486B (en) | 2013-02-28 | 2013-02-28 | Rotary joint and perambulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310064144.9A CN103112486B (en) | 2013-02-28 | 2013-02-28 | Rotary joint and perambulator |
Publications (2)
| Publication Number | Publication Date |
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| CN103112486A true CN103112486A (en) | 2013-05-22 |
| CN103112486B CN103112486B (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310064144.9A Active CN103112486B (en) | 2013-02-28 | 2013-02-28 | Rotary joint and perambulator |
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| CN (1) | CN103112486B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057997A (en) * | 2014-06-27 | 2014-09-24 | 宁波妈咪宝婴童用品制造有限公司 | Non-shaking adjusting joint for baby carriage |
| CN104816751A (en) * | 2015-05-04 | 2015-08-05 | 好孩子儿童用品有限公司 | Rotational joint and children seat pocket with the same |
| CN105476347A (en) * | 2014-09-19 | 2016-04-13 | 常熟市凯力达蜂窝包装材料有限公司 | Adjustable model shoulder and arm joint connection mechanism |
| CN107191509A (en) * | 2017-05-11 | 2017-09-22 | 重庆延锋安道拓汽车部件系统有限公司 | Wedge-type rotary locking mechanism |
| CN107187356A (en) * | 2017-05-11 | 2017-09-22 | 重庆延锋安道拓汽车部件系统有限公司 | Vehicle drive position armrest |
| CN107900951A (en) * | 2017-07-14 | 2018-04-13 | 国网浙江省电力公司湖州供电公司 | Hexagon socket head cap screw clamp device |
| CN107932383A (en) * | 2017-07-14 | 2018-04-20 | 国网浙江省电力公司湖州供电公司 | Outer-hexagonal fastened by screw spanner |
| CN110723193A (en) * | 2019-10-16 | 2020-01-24 | 昆山朵蕾咪儿童用品有限公司 | Take adjusting box and have children's articles for use of this area adjusting box |
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| CN201914293U (en) * | 2010-11-15 | 2011-08-03 | 好孩子儿童用品有限公司 | Baby stroller |
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| CN203172690U (en) * | 2013-02-28 | 2013-09-04 | 好孩子儿童用品有限公司 | Rotational joint and baby carrier |
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| US20030077111A1 (en) * | 2001-10-18 | 2003-04-24 | Ying-Hsiung Cheng | Position adjusting device for a stroller handle |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057997A (en) * | 2014-06-27 | 2014-09-24 | 宁波妈咪宝婴童用品制造有限公司 | Non-shaking adjusting joint for baby carriage |
| CN105476347A (en) * | 2014-09-19 | 2016-04-13 | 常熟市凯力达蜂窝包装材料有限公司 | Adjustable model shoulder and arm joint connection mechanism |
| CN104816751A (en) * | 2015-05-04 | 2015-08-05 | 好孩子儿童用品有限公司 | Rotational joint and children seat pocket with the same |
| CN104816751B (en) * | 2015-05-04 | 2017-04-05 | 好孩子儿童用品有限公司 | Cradle head and the baby seat pocket with which |
| CN107191509A (en) * | 2017-05-11 | 2017-09-22 | 重庆延锋安道拓汽车部件系统有限公司 | Wedge-type rotary locking mechanism |
| CN107187356A (en) * | 2017-05-11 | 2017-09-22 | 重庆延锋安道拓汽车部件系统有限公司 | Vehicle drive position armrest |
| CN107187356B (en) * | 2017-05-11 | 2023-04-21 | 安道拓(重庆)汽车部件有限公司 | Seat armrest for vehicle driving seat |
| CN107900951A (en) * | 2017-07-14 | 2018-04-13 | 国网浙江省电力公司湖州供电公司 | Hexagon socket head cap screw clamp device |
| CN107932383A (en) * | 2017-07-14 | 2018-04-20 | 国网浙江省电力公司湖州供电公司 | Outer-hexagonal fastened by screw spanner |
| CN110723193A (en) * | 2019-10-16 | 2020-01-24 | 昆山朵蕾咪儿童用品有限公司 | Take adjusting box and have children's articles for use of this area adjusting box |
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|---|---|
| CN103112486B (en) | 2016-01-13 |
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