CN204527260U - A kind of perambulator - Google Patents
A kind of perambulator Download PDFInfo
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- CN204527260U CN204527260U CN201520127773.6U CN201520127773U CN204527260U CN 204527260 U CN204527260 U CN 204527260U CN 201520127773 U CN201520127773 U CN 201520127773U CN 204527260 U CN204527260 U CN 204527260U
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- wheel support
- rotationally
- rear wheel
- push rod
- sliding part
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- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000005755 formation reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a kind of perambulator of bi-directional foldable.It comprises vehicle frame, vehicle frame comprises two side stands, be connected to the transverse bracket between side stand, each side stand comprises push rod, front-wheel support, rear wheel support, sliding part and strut, push rod is connected with front-wheel support opposed rotatable ground, the top of described strut is connected to push rod rotationally, the top of described rear wheel support is connected to front-wheel support rotationally, sliding part is slidably disposed on rear wheel support, and strut is connected to sliding part rotationally, transverse bracket comprises two connecting rods connected rotationally mutually, two connecting rods intersect in criss-cross, be connected to the sliding part of one of them side stand the lower rotatable of connecting rod, top is connected to other parts of another side vehicle frame rotationally, when vehicle frame is in folding position, push rod, front-wheel support, rear wheel support, strut is drawn close mutually, two connecting rods are drawn close two side stands are drawn close mutually mutually.
Description
Technical field
the utility model relates to a kind of perambulator, particularly a kind of foldable carriage for child.
Background technology
in prior art, children's foldable carriage for child generally includes front-wheel support as perambulator a kind of, the front-wheel be arranged on front-wheel support, rear wheel support, the trailing wheel be arranged on rear wheel support, front and back end are rotationally connected with front-wheel support and the hoop support of rear wheel support respectively, rotate with front-wheel support the push rod be connected, and wherein the upper end of rear wheel support rotates with push rod and is connected.Volume after the Pram folding of this structure is large, is not easy to storage and carries.
Summary of the invention
for the problems referred to above, the purpose of this utility model is to provide a kind of perambulator, and it is bi-directional folded, and the volume after collapsible is little.
for achieving the above object, the utility model adopts following technical scheme:
a kind of perambulator, comprises the vehicle frame with expanded position and folding position, the front component being installed on described bottom of frame and wheel assembly, described vehicle frame comprise lay respectively at the left and right sides two side stands, be connected to transverse bracket between two described side stands,
each described side stand includes push rod, front-wheel support, rear wheel support, sliding part and strut, described push rod is connected with front-wheel support opposed rotatable ground, the top of described strut is connected to push rod rotationally, the top of described rear wheel support is connected to front-wheel support rotationally, described sliding part is slidably disposed on rear wheel support, and the lower rotatable of described strut be connected to sliding part
described transverse bracket comprises two connecting rods connected rotationally mutually, and two described connecting rods intersect in criss-cross, is connected to the sliding part of one of them side stand, other parts that top is connected to another side vehicle frame rotationally the lower rotatable of described connecting rod,
when described vehicle frame is at expanded position, the triangular structure that between described push rod, front-wheel support, rear wheel support, strut, formation one is stable, two described connecting rods launch relatively; When described vehicle frame is in folding position, described push rod, front-wheel support, rear wheel support, strut are drawn close mutually, and two described connecting rods are drawn close two side stands are drawn close mutually mutually.
preferably, each described side stand also comprises seatpost, and described seatpost is connected on front-wheel support and strut or on front-wheel support and sliding part rotationally.
preferably, each side stand also comprises the first lockout mechanism for side stand being locked in expanded position, described first lockout mechanism comprises the stop pin be arranged on sliding part, is arranged at locking plate on rear wheel support rotationally, described locking plate has the locked groove matched with stop pin, when described stop pin inserts locked groove, described sliding part locks mutually with rear wheel support; After described stop pin departs from locked groove, described sliding part unlocks mutually with rear wheel support.
more preferably, described first lockout mechanism also comprises the unlock switch be arranged at rotationally on rear wheel support, and described unlock switch offsets with locking plate and contacts, and described unlock switch has the operating portion for user's operation extended to outside rear wheel support.
preferably, described transverse bracket also comprises the push handle component between the push rod being connected to both sides, described push handle component comprising two handles, being connected to the knob between two handles, the second lockout mechanism for knob and two handles being locked rotationally, and described handle is connected mutually rotationally with the push rod of side stand respectively.
more preferably, described second lockout mechanism comprises two locking pieces be slidably disposed on knob, each locking piece all has the first projection, each handle all offers the first draw-in groove matched with described first projection, during each first corresponding first draw-in groove of protruding insertion, described push handle component is locked in expanded position.
further, described second lockout mechanism also comprises the handle unlock piece for controlling locking piece action be arranged on rotationally on knob, described handle unlock piece has two second projections, each locking piece all offers the second draw-in groove matched with the second projection, two described second projections are plugged in corresponding second draw-in groove respectively.
further, described second lockout mechanism also comprises the knob unlock switch be movably arranged on push rod, be connected to trailing cable between knob unlock switch and handle unlock piece, the top of described front-wheel support has unblock inclined-plane, described knob unlock switch have with unlock slopes which match coordinate inclined-plane, described unblock inclined-plane and coordinate inclined-plane to offset and contact.
preferably, the bottom of the front-wheel support of two side stands connects mutually rotationally.
in conjunction with above-mentioned, the utility model adopts above structure, tool has the following advantages compared to existing technology: sliding part can by Gravitational sliding, each side stand is driven to fold, and two of transverse bracket connecting rods are along with drawing close, two side stands are drawn close mutually, the vehicle frame bi-directional foldable of perambulator, volume after folding is little, is convenient to packaging and transport.
Accompanying drawing explanation
fig. 1 is the structural representation of perambulator of the present utility model, and wherein vehicle frame is at expanded position;
fig. 2 is the structural representation of perambulator of the present utility model, and wherein vehicle frame is in folding position;
fig. 3 is the structural representation of perambulator of the present utility model, and wherein vehicle frame is in folding position;
fig. 4 is in the utility model between push rod, front-wheel support, trailing wheel, the partial schematic diagram of the annexation of strut and connecting rod;
fig. 5 is the structural representation of the first lockout mechanism when locking in the utility model;
fig. 6 is the structural representation of the first lockout mechanism when unlocking in the utility model;
fig. 7 is the structural representation at A place in Fig. 4;
fig. 8 is push handle component structural representation upon deployment in the utility model;
fig. 9 is the structural representation of push handle component when folding in the utility model.
wherein, 1, vehicle frame; 2, front component; 3, wheel assembly;
10, side stand; 11, push rod; 12, front-wheel support; 13, rear wheel support; 14, sliding part; 15, strut; 16, seatpost; 17, the first lockout mechanism; 171, stop pin; 172, locking plate; 1721, locked groove; 173, unlock switch;
20, connecting rod;
30, push handle component; 31, handle; 311, the first draw-in groove; 32, knob; 33, the second lockout mechanism; 331, locking piece; 3311, first is protruding; 3312, the second draw-in groove; 332, handle unlock piece; 3321, second is protruding; 333, knob unlock switch;
40, side handrail; 41, attaching parts; 42, front handrail.
Detailed description of the invention
below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, can be easier to be those skilled in the art will recognize that to make advantage of the present utility model and feature thus more explicit defining is made to protection domain of the present utility model.
fig. 1 to Figure 9 shows that a kind of perambulator, particularly a kind of foldable carriage for child.Shown in Fig. 8, this perambulator comprise there is expanded position and folding position vehicle frame 1, be installed on front component 2 bottom described vehicle frame 11 and wheel assembly 3.Vehicle frame 1 comprise lay respectively at the left and right sides two side stands 10, be connected to transverse bracket between two described side stands 10.
shown in composition graphs 1 to Fig. 4, each side stand 10 includes push rod 11, front-wheel support 12, rear wheel support 13, sliding part 14, strut 15 and seatpost 16.The bottom of the front-wheel support 12 of two side stands 10 connects mutually rotationally, and front component 2 is one and is arranged on the bottom of front-wheel support 12, and wheel assembly 3 is two and is arranged on the bottom of the rear wheel support 13 of both sides respectively.The bottom of push rod 11 is connected with the opposed rotatable ground, upper end of front-wheel support 12, and the front portion of seatpost 16 is connected to front-wheel support 12 rotationally, and the rear portion of seatpost 16 is connected to sliding part 14 or strut 15 rotationally.The upper end of rear wheel support 13 is connected to the top of front-wheel support 12 rotationally, and the upper end of strut 15 is connected to the bottom of push rod 11 rotationally.Sliding part 14 can be plugged on rear wheel support 13 along the bearing of trend of rear wheel support 13 slidably, and the bottom of strut 15 is rotatably connected on sliding part 14.And the bearing of trend of the bearing of trend of push rod 11 and front-wheel support 12 coincides, make the push rod 11 of each side stand 10, front-wheel support 12, between rear wheel support 13 and strut 15, all can form a stable triangular structure.
shown in composition graphs 5 and Fig. 6, each side stand 10 also comprises the first lockout mechanism 17 for side stand 10 being locked in expanded position.First lockout mechanism 17 comprising the stop pin 171 be fixedly installed on sliding part 14, being arranged at locking plate 172 on rear wheel support 13 rotationally, being arranged at the unlock switch 173 for controlling locking plate 172 action on rear wheel support 13 rotationally.The bottom of locking plate 172 is arranged on rear wheel support 13 by pivot rotationally, and the top of locking plate 172 offers the locked groove 1721 matched with stop pin 171.When stop pin 171 inserts locked groove 1721, sliding part 14 locks with rear wheel support 13 phase; After stop pin 171 departs from locked groove 1721, sliding part 14 unlocks with rear wheel support 13 phase.Unlock switch 173 to be arranged on rotationally on rear wheel support 13 by pivot and to have relative two ends, pivot is between two ends, the two ends of unlock switch 173 form abutting part and operating portion respectively, abutting part offsets with the top of locking plate 172 and contacts, operating portion extend to rear wheel support 13 outer for user's operation and operating station between two side stands 10.
transverse bracket comprises the push handle component 30 between two connecting rods 20 connected rotationally mutually and the push rod 11 being connected to two side stands 10.Two connecting rods 20 connect to intersect in criss-cross by pivot in the middle rotationally.The bottom of connecting rod 20 is connected to the top of the sliding part 14 of one of them side stand 10, the upper end rear wheel support 13 of another side stand 10 rotationally rotationally.Push handle component 30 comprising two handles 31, being connected to the knob 32 between two handles 31, the second lockout mechanism 33 for knob 32 and two handles 31 being locked rotationally.Push rod 11 upper end of each side stand 10 is connected rotationally with handle 31 phase respectively.Transverse bracket also comprises two side handrails, 40, two attaching partss 41 and a front handrail 42, two side handrails 40 are arranged on the top of the front-wheel support 12 of both sides respectively rotationally, the both ends of attaching parts 41 are rotatably connected to the leading section of side handrail 40 and the sidepiece of front handrail 42 respectively, shown in composition graphs 2, when vehicle frame 1 is in folding position, side handrail 40 and front-wheel support 12 are drawn close mutually, and attaching parts 41 is drawn close mutually with front handrail 42.
shown in composition graphs 8 and Fig. 9, the second lockout mechanism 33 comprising two locking pieces 331 be slidably disposed on respectively on knob about 32 both ends, being arranged on the supermedial handle unlock piece 332 for controlling locking piece 331 action of knob 32, the knob unlock switch 333 be movably arranged on push rod 11 rotationally, being connected to trailing cable (not shown) between knob unlock switch 333 and handle unlock piece 332.The outer end of each locking piece 331 all has the first projection 3311, each handle 31 all offers the first draw-in groove 311 matched with described first projection 3311, during each first protruding 3311 corresponding first draw-in groove 311 of insertion, described push handle component 30 is locked in expanded position.Handle unlock piece 332 has two spaced second projections 3321, each locking piece 331 all offers described second projection 3321 of the second draw-in groove 3312, two matched with the second projection 3321 and is plugged in respectively in corresponding second draw-in groove 3312.Shown in composition graphs 6, the upper end of described front-wheel support 12 has and unlocks inclined-plane Q, described knob unlock switch 333 have with unlock that inclined-plane Q matches coordinate inclined-plane, described unblock inclined-plane Q and coordinate inclined-plane to offset to contact.Wherein, handle unlock piece 332 is arranged on knob 32 by pivot rotationally, and the junction of trailing cable and handle unlock piece 332 is departed from this pivot and arranged.
shown in composition graphs 1, when described vehicle frame 1 is at expanded position, first lockout mechanism 17 and the second lockout mechanism 33 lock, make the triangular structure that between push rod 11, front-wheel support 12, rear wheel support 13, strut 15, formation one is stable, the cross of two connecting rod 20 formations launches relatively, and two handles 31 launch relatively.
shown in composition graphs 2 and Fig. 3, when described vehicle frame 1 is in folding position, first lockout mechanism 17 and the second lockout mechanism 33 unlock, push rod 11, front-wheel support 12, rear wheel support 13, strut 15 are drawn close mutually, and two connecting rods 20 are drawn close mutually, two handles 31 and knob 32 are drawn close two side stands 10 are drawn close mutually mutually.
when vehicle frame 1 is when folding, upwards pull the operating portion of the unlock switch 173 on two side stands 10, the abutting part of unlock switch 173 rotates along direction shown by arrow Z in Fig. 5, promote locking plate 172 and turn to locked groove 1721 separating lock rationed marketing 171, now sliding part 14 and rear wheel support 13 unlock mutually, sliding part 14 is under gravity along rear wheel support 13 slide downward, connecting rod 20 bottom, strut 15, seatpost 16 glides thereupon, front-wheel support 12 and push rod 11 are drawn close to rear wheel support 13, to push rod 11, front-wheel support 12, rear wheel support 13, strut 15, seatpost 16 is drawn close mutually, each side stand 10 completes folding, meanwhile, two connecting rods 20 make cross fold under sliding part 14 acts on, along with front-wheel support 12 rotates relative to push rod 11, unlock inclined-plane Q and coordinate inclined-plane relative sliding, knob unlock switch 333 is slided along the bearing of trend of push rod 11 away from handle unlock piece 332, handle unlock piece 332 rotates along direction shown by arrow X in Fig. 8 under the effect of trailing cable, under the pulling of the second projection 3321, two locking pieces 331 move along the direction shown in arrow V in Fig. 9 respectively, two the first projections 3311 are made all to depart from the first draw-in groove 311 thus two handles 31 and knob 32 be unlocked, two handles 31 and knob 32 are drawn close mutually, transverse bracket completes folding, thus two side stands 10 are drawn close mutually.Visible, the perambulator bi-directional foldable of the present embodiment, the volume after folding is less, is convenient to packaging and transport; And pull unlock switch 173 that whole vehicle frame 1 can be made to fold, folding convenient.
when vehicle frame launches, above lift push rod 11, strut 15 drives on sliding part 14 and moves, and then makes that front-wheel support 12 launches under the drive of seatpost 16, two connecting rods 20 launch mutually, and push handle component 30 is launched thereupon.
the all around more than addressed, the upper inferior noun of locality are all with the perambulator of the present utility model concrete bearing definition that namely vehicle frame 1 is residing when expanded position in use.Being rotationally connected of more than addressing is all connected by pivot.
above-described embodiment is only for illustrating technical conceive of the present utility model and feature; it is a kind of preferred embodiment; its object is to person skilled in the art can understand content of the present utility model and implement according to this, protection domain of the present utility model can not be limited with this.All equivalent transformations of doing according to Spirit Essence of the present utility model or modification, all should be encompassed within protection domain of the present utility model.
Claims (9)
1. a perambulator, comprise the vehicle frame (10) with expanded position and folding position, the front component (20) being installed on described vehicle frame (10) bottom and wheel assembly (30), it is characterized in that: described vehicle frame (1) comprise lay respectively at the left and right sides two side stands (10), be connected to transverse bracket between two described side stands (10)
Each described side stand (10) includes push rod (11), front-wheel support (12), rear wheel support (13), sliding part (14) and strut (15), described push rod (11) is connected with front-wheel support (12) opposed rotatable ground, the top of described strut (15) is connected to push rod (11) rotationally, the top of described rear wheel support (13) is connected to front-wheel support (12) rotationally, described sliding part (14) is slidably disposed on rear wheel support (13), and the lower rotatable of described strut (15) be connected to sliding part (14)
Described transverse bracket comprises two connecting rods (20) connected rotationally mutually, two described connecting rods (20) intersect in criss-cross, be connected to the sliding part (14) of side stand (10) lower rotatable of described connecting rod (20), other parts that top is connected to side vehicle frame (10) rotationally
When described vehicle frame (1) is at expanded position, the triangular structure that between described push rod (11), front-wheel support (12), rear wheel support (13), strut (15), formation one is stable, two described connecting rods (20) are launched relatively; When described vehicle frame (1) is in folding position, described push rod (11), front-wheel support (12), rear wheel support (13), strut (15) are drawn close mutually, and two described connecting rods (20) draw close two side stands (10) are drawn close mutually mutually.
2. perambulator according to claim 1, it is characterized in that: each described side stand (10) also comprises seatpost (16), described seatpost (16) is connected on the upper or front-wheel support (12) of front-wheel support (12) and strut (15) and sliding part (14) rotationally.
3. perambulator according to claim 1, it is characterized in that: each side stand (10) also comprises the first lockout mechanism (17) for side stand being locked in expanded position, described first lockout mechanism (17) comprises the stop pin (171) be arranged on sliding part (14), be arranged at the locking plate (172) on rear wheel support (13) rotationally, described locking plate (172) has the locked groove (1721) matched with stop pin (171), when described stop pin (171) inserts locked groove (1721), described sliding part (14) locks mutually with rear wheel support (13), after described stop pin (171) departs from locked groove (1721), described sliding part (14) unlocks mutually with rear wheel support (13).
4. perambulator according to claim 3, it is characterized in that: described first lockout mechanism (17) also comprises the unlock switch (173) be arranged at rotationally on rear wheel support (13), described unlock switch (173) offsets with locking plate (172) and contacts, and described unlock switch (173) has the operating portion extending to rear wheel support (13) confession user operation outward.
5. perambulator according to claim 1, it is characterized in that: described transverse bracket also comprise be connected to both sides push rod (11) between push handle component (30), described push handle component (30) comprising two handles (31), being connected to the knob (32) between two handles (31), the second lockout mechanism (33) for knob (32) and two handles (31) being locked rotationally, and described handle (31) is connected mutually rotationally with the push rod (11) of side stand respectively.
6. perambulator according to claim 5, it is characterized in that: described second lockout mechanism (33) comprises two locking pieces (331) be slidably disposed on knob (32), each locking piece (331) all has the first projection (3311), each handle (31) all offers the first draw-in groove (311) matched with described first projection (3311), when each first projection (3311) inserts corresponding first draw-in groove (311), described push handle component (30) is locked in expanded position.
7. perambulator according to claim 6, it is characterized in that: described second lockout mechanism (33) also comprises the handle unlock piece (332) for controlling locking piece (331) action be arranged on rotationally on knob (32), described handle unlock piece (332) has two the second projections (3321), each locking piece (331) all offers the second draw-in groove (3312) matched with the second projection (3321), two described second projections (3321) are plugged in corresponding second draw-in groove (3312) respectively.
8. perambulator according to claim 7, it is characterized in that: described second lockout mechanism (33) also comprises the knob unlock switch (333) be movably arranged on push rod (11), be connected to trailing cable between knob unlock switch (333) and handle unlock piece (332), the top of described front-wheel support (12) has unblock inclined-plane (Q), described knob unlock switch have with unlock that inclined-plane (Q) matches coordinate inclined-plane, described unblock inclined-plane (Q) and coordinate inclined-plane to offset and contact.
9. perambulator according to claim 1, is characterized in that: the bottom of the front-wheel support (12) of two side stands (10) connects mutually rotationally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520127773.6U CN204527260U (en) | 2015-03-05 | 2015-03-05 | A kind of perambulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520127773.6U CN204527260U (en) | 2015-03-05 | 2015-03-05 | A kind of perambulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204527260U true CN204527260U (en) | 2015-08-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520127773.6U Active CN204527260U (en) | 2015-03-05 | 2015-03-05 | A kind of perambulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204527260U (en) |
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2015
- 2015-03-05 CN CN201520127773.6U patent/CN204527260U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |