CN204309863U - Rotary joint and there is its basket cot, children trolley - Google Patents
Rotary joint and there is its basket cot, children trolley Download PDFInfo
- Publication number
- CN204309863U CN204309863U CN201420769141.5U CN201420769141U CN204309863U CN 204309863 U CN204309863 U CN 204309863U CN 201420769141 U CN201420769141 U CN 201420769141U CN 204309863 U CN204309863 U CN 204309863U
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- rotary joint
- connecting portion
- leg rod
- switching pedestal
- basket cot
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 46
- 230000008878 coupling Effects 0.000 claims description 18
- 238000010168 coupling process Methods 0.000 claims description 18
- 238000005859 coupling reaction Methods 0.000 claims description 18
- 230000007246 mechanism Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The utility model discloses a kind of rotary joint and there is its basket cot, children trolley, wherein rotary joint can realize being rotationally connected between four cradling pieces, a cradling piece in these four cradling pieces is provided with switching pedestal, other cradling pieces are provided with connecting portion, switching pedestal is connected around same rotary centerline rotatably with all connecting portions, by offering chute on switching pedestal, and arc guide groove is set on each connecting portion, guide finger is inserted simultaneously in chute and each arc guide groove, when guide finger slides in chute and arc guide groove, just can drive each connecting portion respectively relatively transfer pedestal rotate, thus make to relatively rotate between each cradling piece.This rotary joint can being rotationally connected for many rod members on basket cot and children trolley, and the structure making to have the basket cot of this rotary joint or children trolley is more succinct, folding with launch more convenient to operate.
Description
Technical field
the utility model relates to a kind of rotary joint and has its basket cot, children trolley.
Background technology
many rod members on basket cot and children trolley need to be rotationally connected by rotary joint usually, in prior art, the structure of rotary joint is varied, accordingly, the rotation brought and folding principle are also had nothing in common with each other, and on basket cot and children trolley, the folding situation of each rod member also correspondingly has difference.
Summary of the invention
first object of the present utility model be to provide a kind of structure simple, launch and fold rotary joint very easily.
for achieving the above object, the technical solution adopted in the utility model is: a kind of rotary joint, there is expanded position and folding position, described rotary joint comprises four cradling pieces rotating and connect, wherein a described cradling piece has switching pedestal, cradling piece described in all the other has the connecting portion be connected that to rotate with described switching pedestal, between described switching pedestal and all described connecting portions, phase pivot is connected, described switching pedestal, the rotary centerline conllinear of all described connecting portions extends, described switching pedestal offers chute, the length bearing of trend of described chute is mutually vertical with the rotary centerline of described switching pedestal, each described connecting portion all offers arc guide groove, the arc trajectory of described arc guide groove around rotation centerline depart from the rotary centerline of described connecting portion, described rotary joint also comprises guide finger, described guide finger is located in described chute and all described arc guide grooves vertically, described rotary joint is in the process launched or fold, described guide finger slides along described chute and all described arc guide grooves, each described connecting portion is made to rotate relative to described switching pedestal and make to relatively rotate between all described cradling pieces.
preferably, on each described connecting portion, the distance between the rotary centerline of described arc guide groove and described connecting portion shortens to the other end gradually from one end.
further, described arc guide groove have the first near-end nearest between the rotary centerline of described connecting portion and distance the first far-end farthest, described chute have the second near-end nearest between the rotary centerline of described switching pedestal and distance the second far-end farthest, under described rotary joint is in expanded position, described guide finger is positioned at described first near-end and described second proximal end, and all described cradling pieces launch relatively; Under described rotary joint is in folding position, described guide finger is positioned at described first far-end and the second far-end, and all described cradling pieces are drawn close relatively.
preferably, described switching pedestal, all described connecting portions to be rotated connection by Coupling Shaft, and the axial line of described Coupling Shaft forms the rotary centerline of described switching pedestal and all described connecting portions.
further, the axial line of described Coupling Shaft and the axial line of described guide finger are parallel to each other.
preferably, described switching pedestal, each described connecting portion are all in the form of annular discs, described switching pedestal, each described connecting portion all around Pivot Point Center line be rotary centerline rotate.
second object of the present utility model is to provide a kind of basket cot with above-mentioned rotary joint.
for achieving the above object, the technical solution adopted in the utility model is:
a kind of basket cot with above-mentioned rotary joint, described basket cot comprises four described cradling pieces, be respectively one end by described rotary joint rotate connect the first leg rod, the second leg rod, the first lateral railing and the second lateral railing, described basket cot also comprises for making under described rotary joint is locked in expanded position described basket cot lock lockout mechanism in the deployed state.
preferably, described switching pedestal is located at the upper end of described first leg rod, one end of the upper end of described second leg rod, one end of described first lateral railing, described second lateral railing is respectively equipped with described connecting portion, when described basket cot launches, described first leg rod and the second leg rod are supported in ground, and described first lateral railing and the second lateral railing are positioned at the top of described first leg rod and described second leg rod; When described basket cot folds, described second leg rod is drawn close to described first leg rod, and simultaneously described first lateral railing, described second lateral railing draw the both sides at described first leg rod and the second leg rod respectively rotatably in.
3rd object of the present utility model is to provide a kind of children trolley with above-mentioned rotary joint.
for achieving the above object, the technical solution adopted in the utility model is: a kind of children trolley with rotary joint described above, described children trolley comprises the stroller frame with deployed condition and folded state, be located at the wheel assembly bottom described stroller frame, described stroller frame has four described cradling pieces, be respectively one end by described rotary joint rotate connect front frame, after poppet, push rod and front handrail, described stroller frame is also provided with under described rotary joint is locked in expanded position and then by described stroller frame locking lockout mechanism in the deployed state.
due to the utilization of technique scheme, the utility model compared with prior art has following advantages: rotary joint of the present utility model, its structure is simple, being rotationally connected between four cradling pieces can be realized, make can carry out easily launching or folding between these four cradling pieces drawing close, can being rotationally connected for many rod members on basket cot and children trolley, the structure making to have the basket cot of this rotary joint or children trolley is more succinct, folding with launch more convenient to operate.
Accompanying drawing explanation
accompanying drawing 1 is the block diagram under the basket cot of embodiment 1 is in deployed condition;
accompanying drawing 2 is the front view under the basket cot of embodiment 1 is in deployed condition;
perspective structure enlarged diagram when accompanying drawing 3 is the rotary joint expansion at place of A portion in accompanying drawing 2;
accompanying drawing 4 is the STRUCTURE DECOMPOSITION enlarged diagram of the rotary joint at place of A portion in accompanying drawing 2;
perspective structure enlarged diagram when accompanying drawing 5 is the rotary joint half-lap at place of A portion in accompanying drawing 2;
accompanying drawing 6 be the rotary joint at place of A portion in accompanying drawing 2 completely folding time perspective structure enlarged diagram;
accompanying drawing 7 is the front view under the basket cot of embodiment 1 is in folded state;
accompanying drawing 8 is the lateral plan under the children trolley of embodiment 2 is in deployed condition;
accompanying drawing 9 is the lateral plan under the children trolley of embodiment 2 is in folded state;
wherein: 100, rotary joint; 200, basket cot;
1, the first leg rod; 11, switching pedestal; 12, chute;
2, the second leg rod; 21, the first connecting portion; 22, the first arc guide groove;
3, the first lateral railing; 31, the second connecting portion; 32, the second arc guide groove;
4, the second lateral railing; 41, the 3rd connecting portion; 42, the 3rd arc guide groove
5, Coupling Shaft; 6, guide finger;
300, stroller frame; 301, after poppet; 302, front frame; 303, push rod; 304, front handrail; 305, front-wheel; 306, trailing wheel.
Detailed description of the invention
below in conjunction with the drawings and specific embodiments, the technical solution of the utility model is further elaborated.
embodiment 1
see the basket cot 200 shown in Fig. 1 to Fig. 7, comprise four cradling pieces, be respectively the first leg rod 1, second leg rod 2, first lateral railing 3 and the second lateral railing 4, these four cradling pieces are all in U-shaped, on every side of basket cot 200, the upper end of the first leg rod 1, the upper end of the second leg rod 2, one end of the first lateral railing 3 and one end of the second lateral railing 4 to be rotated connection by rotary joint 100.
the upper end of the first leg rod 1 is provided with switching pedestal 11, the upper end of the second leg rod 2 is provided with the first connecting portion 21, one end of first lateral railing 3 is provided with the second connecting portion 31, one end of second lateral railing 4 is provided with the 3rd connecting portion 41, rotary joint 100 above-mentioned switching pedestal 11, first connecting portion 21, second connecting portion 31 and the 3rd connecting portion 41 is rotated to link together, thus make to relatively rotate between the first leg rod 1, second leg rod 2, first lateral railing 3 and the second lateral railing 4.
between switching pedestal 11, first connecting portion 21, second connecting portion 31, the 3rd connecting portion 41, phase pivot connects, and the rotary centerline conllinear of these four parts extends, herein, switching pedestal 11, first connecting portion 21, second connecting portion 31, the 3rd connecting portion 41 are all in the form of annular discs, these four parts to be rotated connection by Coupling Shaft 5, Coupling Shaft 5 is through the shaft core position of above-mentioned four parts, and the axial line of Coupling Shaft 5 is the common rotary centerline of above-mentioned four parts.
switching pedestal 11 offers chute 12, and the length bearing of trend of this chute 12 is mutually vertical with the rotary centerline of switching pedestal 11, and namely this chute 12 extends in the radial direction of the disk at switching pedestal 11 place.First connecting portion 21 offers the first arc guide groove 22, second connecting portion 31 offers the second arc guide groove 32,3rd connecting portion 41 offers the 3rd arc guide groove 42, the arching trajectory of above-mentioned first arc guide groove 22, second arc guide groove 32, the 3rd arc guide groove 42 around rotation centerline all deviate with the axial line of Coupling Shaft 5, namely each arc guide groove arc trajectory around rotation centerline and the axial line of Coupling Shaft 5 between all there is spacing.
this rotary joint 100 also comprises guide finger 6, the axial line of this guide finger 6 and the axial line of Coupling Shaft 5 are parallel to each other, guide finger 6 is located in chute 12 vertically, first arc guide groove 22, in second arc guide groove 32 and the 3rd arc guide groove 42, guide finger 6 slides along chute 12 and above-mentioned three arc guide grooves, thus three connecting portions can be made to rotate relative to switching pedestal 11 respectively and make rotary joint 100 deployable or folding, thus make the first leg rod 1, second leg rod 2, relatively launch between first lateral railing 3 and these four cradling pieces of the second lateral railing 4 or relatively draw close.
shown in each accompanying drawing, in first connecting portion 21, second connecting portion 31, these three connecting portions of the 3rd connecting portion 41, arc guide groove on each connecting portion and the rotary centerline of this connecting portion, the distance namely between arc guide groove and Coupling Shaft 5 axial line is arrange with shortening gradually to its other end from one end of arc guide groove.In first arc guide groove 22, second arc guide groove 32, these three arc guide grooves of the 3rd arc guide groove 42, each arc guide groove all has the first near-end nearest between the axial line of Coupling Shaft 5 and distance the first far-end farthest.Switching pedestal 11 upper hopper chute 12 has the second near-end nearest between the axial line of Coupling Shaft 5 and distance the second far-end farthest.
shown in Figure 3, when guide finger 6 is positioned at the second proximal location of chute 12, guide finger 6 is also positioned at the first proximal end of the first arc guide groove 22, second arc guide groove 32, the 3rd these three arc guide grooves of arc guide groove 42 simultaneously, rotary joint 100 is in expanded position, now relatively launch between the first leg rod 1, second leg rod 2, first lateral railing 3 and these four cradling pieces of the second lateral railing 4, basket cot 200 launches state as shown in Figure 2.
when guide finger 6 slides towards the direction away from Coupling Shaft 5 in chute 12, namely towards chute 12 second far-end slide time, guide finger 6 is simultaneously at the first arc guide groove 22, second arc guide groove 32, in 3rd arc guide groove 42 slide and to each arc guide groove first far-end slide, make three connecting portions rotate separately spindle 5 rotate and respectively relative to switching pedestal 11 rotate, as shown in Figure 5, until guide finger 6 arrives the second far-end of chute 12 and the first far-end of each arc guide groove, rotary joint 100 arrives folding position, as shown in Figure 6, in the above-mentioned folding process of rotary joint 100, first leg rod 1, second leg rod 2, relatively draw close gradually between first lateral railing 3 and these four cradling pieces of the second lateral railing 4, make the folding state as shown in Figure 7 of basket cot 200.
this basket cot 200 also comprises the lockout mechanism (not shown) for being locked in by rotary joint 100 under expanded position, when lockout mechanism locks, rotary joint 100 locks, relatively fixing between first leg rod 1, second leg rod 2, first lateral railing 3 and these four cradling pieces of the second lateral railing 4, thus basket cot 200 is locked in the deployed state.
like this, when this basket cot 200 launches to use, guide finger 6 is in the first proximal end of the second near-end of chute 12 and the first arc guide groove 22, second arc guide groove 32, the 3rd these three arc guide grooves of arc guide groove 42, under rotary joint 100 is in expanded position, rotary joint 100 locks by lockout mechanism, and on basket cot 200, the first leg rod 1, second leg rod 2, first lateral railing 3 and these four cradling pieces of the second lateral railing 4 launch relatively, when basket cot 200 is folded up by needs, first lockout mechanism is unlocked, then by the first lateral railing 3, second lateral railing 4 is respectively to lower upset, guide finger 6 slides towards the second far-end in chute 12, simultaneously towards the first arc guide groove 22, second arc guide groove 32, first far-end of the 3rd these three arc guide grooves of arc guide groove 42 slides, order about three connecting portions all to rotate relative to switching pedestal 11, thus make the first leg rod 1, second leg rod 2, first lateral railing 3 and these four cradling pieces of the second lateral railing 4 relatively rotate and draw close gradually, finally make basket cot 200 folding as Fig. 7 state.
on above-mentioned basket cot 200, the switching pedestal 11 of rotary joint 100 can certainly be arranged at the upper end of the second leg rod 2, also one end that frame bar 4 is enclosed in first one end or second of enclosing frame bar 3 can be arranged at, on other cradling pieces, connecting portion is set on the end connected simultaneously, equally also can reaches the result of use of basket cot in the present embodiment.
embodiment 2
children trolley as shown in Figure 8, Figure 9, comprise there is deployed condition and folded state stroller frame 300, be located at wheel assembly bottom stroller frame 300, for by stroller frame locking lockout mechanism (not shown) in the deployed state, stroller frame 300 comprises after poppet 301, front frame 302, push rod 303, front handrail 304, and wheel assembly comprises the front-wheel 305 being located at front frame 302 bottom and the trailing wheel 306 being located at after poppet 301 bottom.
the bottom of the top of after poppet 301, the top of front frame 302, push rod 303 and the rear portion of front handrail 304 also to be rotated connection by rotary joint 100.The concrete structure of this rotary joint 100 is substantially identical with the structure of the rotary joint 100 in embodiment 1, namely on the top of after poppet 301, the top of front frame 302, parts in the bottom of push rod 303 and these four parts of the rear portion of front handrail 304 arrange switching pedestal, another three parts arrange connecting portion, switching pedestal and three connecting portions are rotated by same Coupling Shaft and is connected, and guide finger is inserted in the chute of switching pedestal and in the arc guide groove of each connecting portion, just after poppet 301 can be made, front frame 302, push rod 303, launch in relative rotation between front handrail 304 or draw close, and then realize the expansion of stroller frame and fold.
lockout mechanism can be located at under rotary joint 100 is locked in expanded position on rotary joint 100, and locked by lockout mechanism when rotary joint 100 is in expanded position like this, stroller frame 300 has just locked in the deployed state.
to sum up, the structure of rotary joint 100 of the present utility model is simple, being rotationally connected between four cradling pieces can be realized, make can carry out easily launching or folding between these four cradling pieces drawing close, the structure simultaneously making to have the basket cot of this rotary joint 100 or children trolley is more succinct, uses convenient.
above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (9)
1. a rotary joint, there is expanded position and folding position, described rotary joint comprises four cradling pieces rotating and connect, wherein a described cradling piece has switching pedestal, cradling piece described in all the other has the connecting portion be connected that to rotate with described switching pedestal, it is characterized in that: between described switching pedestal and all described connecting portions, phase pivot is connected, described switching pedestal, the rotary centerline conllinear of all described connecting portions extends, described switching pedestal offers chute, the length bearing of trend of described chute is mutually vertical with the rotary centerline of described switching pedestal, each described connecting portion all offers arc guide groove, the arc trajectory of described arc guide groove around rotation centerline depart from the rotary centerline of described connecting portion, described rotary joint also comprises guide finger, described guide finger is located in described chute and all described arc guide grooves vertically, described rotary joint is in the process launched or fold, described guide finger slides along described chute and all described arc guide grooves, each described connecting portion is made to rotate relative to described switching pedestal and make to relatively rotate between all described cradling pieces.
2. rotary joint according to claim 1, is characterized in that: on each described connecting portion, the distance between the rotary centerline of described arc guide groove and described connecting portion shortens to the other end gradually from one end.
3. rotary joint according to claim 2, it is characterized in that: described arc guide groove has the first near-end nearest between the rotary centerline of described connecting portion and distance the first far-end farthest, described chute have the second near-end nearest between the rotary centerline of described switching pedestal and distance the second far-end farthest, under described rotary joint is in expanded position, described guide finger is positioned at described first near-end and described second proximal end, and all described cradling pieces launch relatively; Under described rotary joint is in folding position, described guide finger is positioned at described first far-end and the second far-end, and all described cradling pieces are drawn close relatively.
4. rotary joint according to claim 1, is characterized in that: described switching pedestal, all described connecting portions to be rotated connection by Coupling Shaft, and the axial line of described Coupling Shaft forms the rotary centerline of described switching pedestal and all described connecting portions.
5. rotary joint according to claim 4, is characterized in that: the axial line of described Coupling Shaft and the axial line of described guide finger are parallel to each other.
6. rotary joint according to claim 1, is characterized in that: described switching pedestal, each described connecting portion are all in the form of annular discs, described switching pedestal, each described connecting portion all around Pivot Point Center line be rotary centerline rotate.
7. one kind have as arbitrary in claim 1 to 6 as described in the basket cot of rotary joint, it is characterized in that: described basket cot comprises four described cradling pieces, be respectively one end by described rotary joint rotate connect the first leg rod, the second leg rod, the first lateral railing and the second lateral railing, described basket cot also comprises for making under described rotary joint is locked in expanded position described basket cot lock lockout mechanism in the deployed state.
8. basket cot according to claim 7, it is characterized in that: described switching pedestal is located at the upper end of described first leg rod, one end of the upper end of described second leg rod, one end of described first lateral railing, described second lateral railing is respectively equipped with described connecting portion, when described basket cot launches, described first leg rod and the second leg rod are supported in ground, and described first lateral railing and the second lateral railing are positioned at the top of described first leg rod and described second leg rod; When described basket cot folds, described second leg rod is drawn close to described first leg rod, and simultaneously described first lateral railing, described second lateral railing draw the both sides at described first leg rod and the second leg rod respectively rotatably in.
9. one kind have as arbitrary in claim 1 to 6 as described in the children trolley of rotary joint, it is characterized in that: described children trolley comprise there is deployed condition and folded state stroller frame, be located at wheel assembly bottom described stroller frame, described stroller frame has four described cradling pieces, be respectively one end by described rotary joint rotate connect front frame, after poppet, push rod and front handrail, described stroller frame is also provided with under described rotary joint is locked in expanded position and then by described stroller frame locking lockout mechanism in the deployed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420769141.5U CN204309863U (en) | 2014-12-09 | 2014-12-09 | Rotary joint and there is its basket cot, children trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420769141.5U CN204309863U (en) | 2014-12-09 | 2014-12-09 | Rotary joint and there is its basket cot, children trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204309863U true CN204309863U (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420769141.5U Active CN204309863U (en) | 2014-12-09 | 2014-12-09 | Rotary joint and there is its basket cot, children trolley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204309863U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627718A (en) * | 2017-01-20 | 2017-05-10 | 好孩子儿童用品有限公司 | Baby stroller |
| CN106691008A (en) * | 2017-02-04 | 2017-05-24 | 宁波妈咪宝婴童用品制造有限公司 | Folding baby crib |
| CN107319831A (en) * | 2017-08-11 | 2017-11-07 | 厦门梦贝比儿童用品有限公司 | A kind of folding baby bedstead easy to use |
| CN111200956A (en) * | 2017-10-13 | 2020-05-26 | 彭苏特有限公司 | Seat and crib structure |
| CN111619647A (en) * | 2020-07-14 | 2020-09-04 | 稳健婴幼童用品(惠州)有限公司 | Folding joint of baby carriage |
-
2014
- 2014-12-09 CN CN201420769141.5U patent/CN204309863U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106627718A (en) * | 2017-01-20 | 2017-05-10 | 好孩子儿童用品有限公司 | Baby stroller |
| CN106627718B (en) * | 2017-01-20 | 2023-08-04 | 好孩子儿童用品有限公司 | Child cart |
| CN106691008A (en) * | 2017-02-04 | 2017-05-24 | 宁波妈咪宝婴童用品制造有限公司 | Folding baby crib |
| CN107319831A (en) * | 2017-08-11 | 2017-11-07 | 厦门梦贝比儿童用品有限公司 | A kind of folding baby bedstead easy to use |
| CN107319831B (en) * | 2017-08-11 | 2023-04-25 | 厦门梦贝比儿童用品有限公司 | Folding baby bed frame convenient to use |
| CN111200956A (en) * | 2017-10-13 | 2020-05-26 | 彭苏特有限公司 | Seat and crib structure |
| CN111200956B (en) * | 2017-10-13 | 2023-11-28 | 彭苏特有限公司 | Chair and crib structure |
| CN111619647A (en) * | 2020-07-14 | 2020-09-04 | 稳健婴幼童用品(惠州)有限公司 | Folding joint of baby carriage |
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