CN110949482B - Rotary baby carriage - Google Patents
Rotary baby carriage Download PDFInfo
- Publication number
- CN110949482B CN110949482B CN201911030577.6A CN201911030577A CN110949482B CN 110949482 B CN110949482 B CN 110949482B CN 201911030577 A CN201911030577 A CN 201911030577A CN 110949482 B CN110949482 B CN 110949482B
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- China
- Prior art keywords
- folding
- assembly
- foot
- seat cushion
- tube
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 83
- 229910052742 iron Inorganic materials 0.000 claims description 41
- 238000003825 pressing Methods 0.000 description 7
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 210000001364 upper extremity Anatomy 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/062—Coupling unit between front wheels, rear wheels and handle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
- B62B7/083—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis the wheel axes being moved from each other during folding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B7/00—Carriages for children; Perambulators, e.g. dolls' perambulators
- B62B7/04—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
- B62B7/06—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
- B62B7/08—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis
- B62B7/086—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable in the direction of, or at right angles to, the wheel axis becoming smaller in all three dimensions
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention relates to the field of children carts, in particular to a rotary baby cart, which comprises a supporting mechanism and a pushing handle component, wherein the supporting mechanism comprises a front foot tube and a rear foot rest, the bottom of the front foot tube is connected with a front wheel component, the bottom of the rear foot rest is connected with a rear wheel component, the rear foot rest is formed by fixedly connecting two rear foot tubes arranged at intervals, a folding component is movably arranged on the front foot tube, the upper end of the front foot tube of the supporting mechanism is connected with the lower end of the pushing handle component through a rotating mechanism, the rotating mechanism is used for controlling the relative movable folding and relative fixing of the pushing handle component and the front foot tube, and the rotating mechanism is connected with the folding component through a guy wire and is used for controlling the locking position of the pushing handle component on the front foot tube. The product has the advantages of atmospheric and beautiful appearance; the structure is reasonable, and the stability is strong; the multifunctional, easy to operate, the security is strong; convenient to use, folding small, portable.
Description
Technical Field
The invention relates to the field of child carts, in particular to a rotary baby cart.
Background
When the baby is taken out to play or bend, the baby carriage is carried, so that the burden of parents for carrying the baby can be reduced to a certain extent, and the baby carriage is popular with people in the market at present.
While providing convenience, some problems and disadvantages of the existing strollers have also been found in the case of long-term use of the strollers by people: strollers on the market are generally bulky and have poor maneuverability during use; the structure is unreasonable in appearance, and stability is poor, sometimes can turn on one's side easily in the in-process of operation, security is poor during operation, opens and folding operation steps are all relatively more complicated when expanding and accomodating.
Therefore, aiming at the defects of the existing baby stroller, the inventor designs a better safe baby stroller after long-time research and development.
Disclosure of Invention
The technical scheme adopted by the invention for solving one of the technical problems is as follows: the rotary baby stroller comprises a supporting mechanism and a pushing handle assembly, wherein the supporting mechanism comprises a front foot tube 18 and a rear foot frame, the bottom of the front foot tube 18 is connected with a front wheel assembly, the bottom of the rear foot frame is connected with a rear wheel assembly, a folding assembly is movably installed on the front foot tube, the upper end of the folding assembly is hinged with the lower part of the front end of a seat cushion assembly, one side end of the folding assembly is hinged with the middle part of the rear foot frame, the lower part of the rear end of the seat cushion assembly is hinged with a support fixed on the upper part of the front foot tube 18, the lower part of a rear foot connecting piece 30 is hinged with the top of the rear foot frame, the upper part of the front foot tube 18 is hinged with the upper part of the front foot tube 18, the upper end of the supporting mechanism is connected with the lower end of the pushing handle assembly through a rotating mechanism, and the rotating mechanism is used for controlling the pushing handle assembly to be folded relatively and fixed relatively, and the rotating mechanism is connected with the folding assembly through an iron wire 10 and used for controlling a stay cable of the pushing handle assembly to be locked on the front foot tube 18.
The rear foot rest is formed by fixedly connecting two rear foot tubes 25 which are arranged at intervals.
Preferably, the folding assembly comprises a locking component and a folding fixing piece 11 sleeved on the front foot pipe 18, and a locking hole for realizing positioning by matching and clamping with the cart positioning flat iron 5 on the locking component is formed in the side wall of the folding fixing piece 11.
Preferably, the locking part comprises a locating piece fixing piece 2 fixed on the inner wall of a front foot pipe 18, a seat cushion fixing iron piece 1 with an L-shaped section is installed on one side of the locating piece fixing piece 2, a fixing pressure spring 3 is fixedly installed at the bottom of the seat cushion fixing iron piece 1, the upper end of the fixing pressure spring 3 is abutted to the bottom of the locating piece fixing piece 2, two opposite long through grooves are formed in the seat cushion fixing iron piece 1, the lower sections of the two long through grooves are mutually parallel, the upper sections of the two long through grooves are mutually far away from each other to form V and are arranged by themselves, push rod fixing pins 4 are respectively inserted into the long through grooves, the inner ends of the push rod fixing pins 4 are movably inserted into transverse grooves in the middle of the locating piece fixing piece 2, the outer ends of the push rod fixing pins are matched with the push-car fixing iron piece 5, the ends of the push-car fixing iron piece 5 are oppositely arranged with through holes in the side wall of the front foot pipe 18, the seat cushion fixing iron piece 1 drives the end of the push-car fixing iron piece 5 to retract from the side wall of the front foot pipe 18 to be penetrated out of the corresponding through the through holes of the iron wire mechanism 10, and the push wire mechanism is connected with the upper end of the push wire rope fixing mechanism through the push wire 1.
Preferably, an adjustable foot supporting assembly is installed at the lower portion of the front end of the seat cushion assembly, the foot supporting assembly includes a first foot pedal 21 movably installed at the lower portion of the front end of the seat cushion assembly through a foot pedal adjusting button 22, and the lower end of the foot pedal adjusting button 22 is installed with a connecting tube.
Preferably, the rotating mechanism comprises a lower joint 6 fixedly connected with the top of the front foot tube, and an upper joint 12 fixedly connected with the bottom of the pushing handle assembly, and a cavity of a hinge joint part of a rotating shaft between the upper joint 12 and the lower joint 6 is matched with the wheel positioning assembly to realize the positioning state of the lower joint 6 and the upper joint 12.
Preferably, the wheel positioning assembly comprises a wheel 8 with incomplete teeth on the surface in a cavity of the lower joint 6, teeth on the rear section of the wheel 8 are respectively matched with each limit tooth slot on the inner wall of the front section in the cavity of the lower joint 6, teeth on the front section are respectively matched with each limit tooth slot on the inner wall of the front section in the cavity of the upper joint 12, a joint pressure spring 9 is installed in the cavity of the rear end of the wheel 8, a joint button 13 is fixedly installed on the front end surface of the wheel 8, the front end of the joint button 13 is movably inserted in a pressing cavity of the front end surface of the upper joint 12, a folding positioning piece 7 is installed in the wheel positioning assembly, and the upper end of the cable iron wire 10 penetrates through the lower joint 6 and is connected with the folding positioning piece 7.
Preferably, an arc-shaped circular groove is respectively arranged on the inner end surface of the upper joint and the inner end surface of the lower joint which is abutted against the inner end surface, a folding positioning piece 7 is arranged at the overlapping part of the two arc-shaped circular grooves, the inner end and the outer end of the folding positioning piece 7 are respectively movably inserted into the corresponding circular grooves, the upper end of a guy cable iron wire 10 is connected with the folding positioning piece 7, and the folding positioning piece 7 can rotate along with the rotation of the upper joint 12 through the abutment of a table post on the folding positioning piece and the table joints at the end parts of the two circular grooves.
Preferably, the push handle assembly comprises a push handle tube 17 fixedly connected with the upper joint 12, and a push handle 16 is mounted on the top of the push handle tube 17.
Preferably, a coupler is fixedly mounted on the outer side wall of the push handle tube 17, and is hung on a convex shaft protruding on the front leg tube through a hook hole on the coupler, and in the storage state, the coupler is sleeved on the convex shaft to realize fixation in the folding state.
Preferably, the seat cushion assembly includes a seat cushion 20, a front armrest 19 having an adjustable height is installed at the top of the front end of the seat cushion 20, a seat frame fixing iron piece 27 is provided at the bottom of the rear side of the seat cushion 20, and the seat frame fixing iron piece 27 is hinged to the upper portion of the rear foot link 30.
Preferably, the folding assembly comprises a folding fixing piece 11 movably sleeved on the outer side wall of the front foot tube, two seat frame fixing pieces 23 are arranged on the upper portion of the folding fixing piece 11 side by side, the upper ends of the seat frame fixing pieces 23 are respectively and movably hinged with the bottom of the front section of the seat cushion 20, a seat frame fixing tube 24 is arranged on one side of the folding fixing piece 11, and two ends of the seat frame fixing tube 24 are respectively and movably hinged with the folding fixing piece 11 and the rear foot frame.
Preferably, the front wheel assembly comprises a second foot pedal 29 fixedly connected with the bottom of the front foot pipe 18, and front wheels 28 serving as universal wheels are respectively arranged on two sides of the bottom of the second foot pedal 29; the rear wheel assembly includes a rear wheel frame mounted at the bottom of the rear foot rest, and rear wheels 26 are respectively mounted at both ends of the rear wheel frame.
Preferably, a backrest 14 is movably mounted on the front side of the push handle assembly, and the bottom of the backrest 14 is movably hinged to the lower part of the push handle assembly.
Preferably, a large seat cushion 33 is mounted on the upper portion of the seat cushion 20, the large seat cushion 33 is movably inserted into a mounting hole in the middle of the seat cushion 20 through an insertion shaft at the bottom of the large seat cushion 33, a spring-sheet type quick cutting positioning piece 36 is mounted on the outer side wall of the lower portion of the insertion shaft, the quick cutting positioning piece 36 is used for realizing spacing positioning with a spacing groove on the inner side wall of the mounting hole, the quick cutting positioning piece 36 is used for realizing pressing the quick cutting positioning piece 36 through a front reversing piece and a rear reversing piece 35 of a pressing pin shaft and realizing rotation of the insertion shaft and realizing rotation reversing and fixing of the large seat cushion 33 after being separated from the spacing groove, a front wall 34 is mounted on the front side of the upper portion of the large seat cushion 33, both rear ends of the front wall 34 are movably hinged on the large seat cushion 33, a head cover seat 32 is mounted on the top of the large seat cushion 33, and the head cover 31 is mounted on the head cover seat 32 or the upper portion of the push handle tube 17.
The beneficial effects of the invention are as follows: the product has the advantages of atmospheric and beautiful appearance; the structure is reasonable, and the stability is strong; the multifunctional, easy to operate, the security is strong; convenient to use, folding small, portable.
The rotary baby stroller is characterized in that the rotary baby stroller is designed according to the improvement of a double-cross triangle principle, slides up and down on the same supporting shaft, is supported according to the triangle principle, and is provided with a supporting sleeve which slides up and down at a supporting point, and a rotary fixed origin; the upper part is a seat cushion, the lower part is a rear leg rotated by a triangle, and the cross shaft is based on the principle of a cross shaft up-down triangle; when the two triangular structure supporting points are operated at the same point, the other triangular supporting points rotate, and the supporting rods can slide and fold along the supporting rods. When the sliding point is fixed, the two triangular points can be opened at the same time; when sliding to the bottommost, the folding structure is the folding structure; the volume is smaller after folding, and the storage is more convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or features are generally identified by like reference numerals throughout the drawings. In the drawings, the elements or components are not necessarily drawn to scale.
Fig. 1 is a schematic perspective view of the present invention (without the large seat cushion).
Fig. 2 is a schematic view of the semi-folded structure of the present invention.
Fig. 3 is a schematic view of a folded state structure of the present invention.
FIG. 4 is a schematic view showing the structure of the support mechanism and push handle assembly of the present invention in the unfolded state.
Fig. 5 is a schematic view showing a folded state of the supporting mechanism and the push handle assembly according to the present invention.
Fig. 6 is a schematic view of the support mechanism, push handle assembly and seat cushion assembly of the present invention in use.
Fig. 7 is a schematic view illustrating a folded state structure of fig. 6.
Fig. 8 is a partial structural schematic view of the locking state of the present invention.
Fig. 9 is a partial structural view of the rotatable state of the present invention.
Fig. 10 is a schematic view showing a partial structure of a turning mechanism according to the present invention in various states.
Fig. 11 is a schematic view of an open state structure of the positioning assembly of the present invention.
Fig. 12 is a schematic structural view of a folding state of the positioning assembly of the present invention.
Fig. 13 is a schematic view showing an opened state structure of the locking member of the present invention.
Fig. 14 is a schematic view showing a folded state structure of the locking member of the present invention.
Fig. 15 is a schematic overall view of a three-dimensional structure of the present invention.
Fig. 16 is a schematic view showing a structure of the large seat cushion of fig. 15 in a rotated state.
Fig. 17 is a first perspective view structural schematic diagram of the large seat cushion and related components thereof of the present invention.
Fig. 18 is a second perspective view structural schematic diagram of the large seat cushion and related components thereof of the present invention.
In the figure, 1, a seat cushion fixing iron sheet; 2. a positioning piece fixing piece; 3. fixing a pressure spring; 4. a push rod fixing pin; 5. positioning flat iron by a trolley; 6. a lower joint; 7. folding the positioning piece; 8. a knuckle-z wheel; 9. a joint pressure spring; 10. a guy wire; 11. folding the fixing piece; 12. An upper joint; 13. a joint button; 14. a backrest; 15. Purchasing the vehicle; 16. a pushing handle; 17. Pushing the handle tube; 18. a front foot tube; 19. a front armrest; 20. a seat cushion; 21. a first foot pedal; 22. a pedal adjusting button; 23. a mount; 24. a mount fixing tube; 25. a rear foot tube; 26. A rear wheel; 27. fixing an iron sheet on a seat frame; 28. a rear wheel; 29. a second foot pedal; 30. a rear foot connection; 31. A head cover; 32. a head cover seat; 33. a large seat cushion; 34. a front wall; 35. front and rear reversing pieces.
Detailed Description
Embodiments of the technical scheme of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present invention, and thus are merely examples, and are not intended to limit the scope of the present invention.
As shown in fig. 1-18, the rotary stroller comprises a supporting mechanism and a pushing handle assembly, the supporting mechanism comprises a front foot tube 18 and a rear foot rest, the bottom of the front foot tube 18 is connected with a front wheel assembly, the bottom of the rear foot rest is connected with a rear wheel assembly, a folding assembly is movably installed on the front foot tube, the upper end of the folding assembly is hinged with the lower part of the front end of the seat cushion assembly, one side end of the folding assembly is hinged with the middle part of the rear foot rest, the lower part of the rear end of the seat cushion assembly is hinged with a support fixed on the upper part of the front foot tube 18, the lower part of a rear foot connecting piece 30 is hinged with the top of the rear foot rest, the upper part of the rear foot connecting piece is hinged with the upper part of the front foot tube 18, the upper end of the supporting mechanism is connected with the lower end of the pushing handle assembly through a rotating mechanism, the rotating mechanism is used for controlling the relative movable folding and relative fixing of the pushing handle assembly and the front foot tube 18, and the rotating mechanism is connected with the folding assembly through a wire 10 and used for controlling the front foot 18 to be locked on the front foot tube 18.
The rear foot rest is formed by fixedly connecting two rear foot tubes 25 which are arranged at intervals.
Preferably, the folding assembly comprises a locking component and a folding fixing piece 11 sleeved on the front foot pipe 18, and a locking hole for realizing positioning by matching and clamping with the cart positioning flat iron 5 on the locking component is formed in the side wall of the folding fixing piece 11.
Preferably, the locking part comprises a locating piece fixing piece 2 fixed on the inner wall of a front foot pipe 18, a seat cushion fixing iron piece 1 with an L-shaped section is installed on one side of the locating piece fixing piece 2, a fixing pressure spring 3 is fixedly installed at the bottom of the seat cushion fixing iron piece 1, the upper end of the fixing pressure spring 3 is abutted to the bottom of the locating piece fixing piece 2, two opposite long through grooves are formed in the seat cushion fixing iron piece 1, the lower sections of the two long through grooves are mutually parallel, the upper sections of the two long through grooves are mutually far away from each other to form V and are arranged by themselves, push rod fixing pins 4 are respectively inserted into the long through grooves, the inner ends of the push rod fixing pins 4 are movably inserted into transverse grooves in the middle of the locating piece fixing piece 2, the outer ends of the push rod fixing pins are matched with the push-car fixing iron piece 5, the ends of the push-car fixing iron piece 5 are oppositely arranged with through holes in the side wall of the front foot pipe 18, the seat cushion fixing iron piece 1 drives the end of the push-car fixing iron piece 5 to retract from the side wall of the front foot pipe 18 to be penetrated out of the corresponding through the through holes of the iron wire mechanism 10, and the push wire mechanism is connected with the upper end of the push wire rope fixing mechanism through the push wire 1.
Preferably, an adjustable foot supporting assembly is installed at the lower portion of the front end of the seat cushion assembly, the foot supporting assembly includes a pedal adjusting button 22 movably installed at the lower portion of the front end of the seat cushion assembly, a connecting tube is installed at the lower end of the pedal adjusting button 22, and a first pedal 21 is installed at the lower end of the connecting tube.
Preferably, the rotating mechanism comprises a lower joint 6 fixedly connected with the top of the front foot tube, and an upper joint 12 fixedly connected with the bottom of the pushing handle assembly, and a cavity of a hinge joint part of a rotating shaft between the upper joint 12 and the lower joint 6 is matched with the wheel positioning assembly to realize the positioning state of the lower joint 6 and the upper joint 12.
Preferably, the wheel positioning assembly comprises a wheel 8 with incomplete teeth on the surface in a cavity of the lower joint 6, teeth on the rear section of the wheel 8 are respectively matched with each limit tooth slot on the inner wall of the front section in the cavity of the lower joint 6, teeth on the front section are respectively matched with each limit tooth slot on the inner wall of the front section in the cavity of the upper joint 12, a joint pressure spring 9 is installed in the cavity of the rear end of the wheel 8, a joint button 13 is fixedly installed on the front end surface of the wheel 8, the front end of the joint button 13 is movably inserted in a pressing cavity of the front end surface of the upper joint 12, a folding positioning piece 7 is installed in the wheel positioning assembly, and the upper end of the cable iron wire 10 penetrates through the lower joint 6 and is connected with the folding positioning piece 7.
Preferably, an arc-shaped circular groove is respectively arranged on the inner end surface of the upper joint and the inner end surface of the lower joint which is abutted against the inner end surface, a folding positioning piece 7 is arranged at the overlapping part of the two arc-shaped circular grooves, the inner end and the outer end of the folding positioning piece 7 are respectively movably inserted into the corresponding circular grooves, the upper end of a guy cable iron wire 10 is connected with the folding positioning piece 7, and the folding positioning piece 7 can rotate along with the rotation of the upper joint 12 through the abutment of a table post on the folding positioning piece and the table joints at the end parts of the two circular grooves.
Optionally, the push handle assembly includes a push handle tube 17 fixedly connected to the upper joint 12, and a push handle 16 is mounted on top of the push handle tube 17.
Preferably, a coupler is fixedly mounted on the outer side wall of the push handle tube 17, and is hung on a convex shaft protruding on the front leg tube through a hook hole on the coupler, and in the storage state, the coupler is sleeved on the convex shaft to realize fixation in the folding state.
Preferably, the seat cushion assembly includes a seat cushion 20, a front armrest 19 having an adjustable height is installed at the top of the front end of the seat cushion 20, a seat frame fixing iron piece 27 is provided at the bottom of the rear side of the seat cushion 20, and the seat frame fixing iron piece 27 is hinged to the upper portion of the rear foot link 30.
Preferably, the folding assembly comprises a folding fixing piece 11 movably sleeved on the outer side wall of the front foot tube, two seat frame fixing pieces 23 are arranged on the upper portion of the folding fixing piece 11 side by side, the upper ends of the seat frame fixing pieces 23 are respectively and movably hinged with the bottom of the front section of the seat cushion 20, a seat frame fixing tube 24 is arranged on one side of the folding fixing piece 11, and two ends of the seat frame fixing tube 24 are respectively and movably hinged with the folding fixing piece 11 and the rear foot frame.
Preferably, the front wheel assembly comprises a second foot pedal 29 fixedly connected with the bottom of the front foot pipe 18, and front wheels 28 serving as universal wheels are respectively arranged on two sides of the bottom of the second foot pedal 29; the rear wheel assembly includes a rear wheel frame mounted at the bottom of the rear foot rest, and rear wheels 26 are respectively mounted at both ends of the rear wheel frame.
Preferably, a backrest 14 is movably mounted on the front side of the push handle assembly, and the bottom of the backrest 14 is movably hinged to the lower part of the push handle assembly.
Preferably, a large seat cushion 33 is mounted on the upper portion of the seat cushion 20, the large seat cushion 33 is movably inserted into a mounting hole in the middle of the seat cushion 20 through an insertion shaft at the bottom of the large seat cushion 33, a spring-sheet type quick cutting positioning piece 36 is mounted on the outer side wall of the lower portion of the insertion shaft, the quick cutting positioning piece 36 is used for realizing spacing positioning with a spacing groove on the inner side wall of the mounting hole, the quick cutting positioning piece 36 is used for realizing pressing the quick cutting positioning piece 36 through a front reversing piece and a rear reversing piece 35 of a pressing pin shaft and realizing rotation of the insertion shaft and realizing rotation reversing and fixing of the large seat cushion 33 after being separated from the spacing groove, a front wall 34 is mounted on the front side of the upper portion of the large seat cushion 33, both rear ends of the front wall 34 are movably hinged on the large seat cushion 33, a head cover seat 32 is mounted on the top of the large seat cushion 33, and the head cover 31 is mounted on the head cover seat 32 or the upper portion of the push handle tube 17.
When the folding state needs to be adjusted, firstly, the joint button 13 is pressed down, at this moment, the joint roller 8, the upper joint 12 and the lower joint 6 are in an un-meshed state, at this moment, the upper joint 12 can rotate relatively, the upper joint 12 is rotated downwards and the parts on the upper joint are driven to rotate together, at this moment, the folding positioning piece 7 is pushed by the bench joint at the end part of the round slot on the upper joint 12 to rotate clockwise, thereby realizing that the stay wire 10 is driven to pull the seat cushion fixing iron sheet 1 upwards, when the seat cushion fixing iron sheet 1 is pulled upwards, as the seat cushion is provided with two strip through slots by the fixing iron sheet 1, the push rod fixing pin 44 and the two sides of the trolley fixing iron 5 can simultaneously move inwards, the trolley fixing iron 5 is retracted inwards to move to the inside of the front leg pipe 18 and separate from the locking hole on the folding fixing piece 11, at this moment, the seat frame fixing pipe 27, the seat frame fixing piece 23 and the like are pushed downwards to move, then the folding fixing piece 11 is pulled downwards along the front leg pipe 18, the folding of the main part is completed, the folding of the main part is finished, the final folding part is realized after the pressing force is received, the whole folding process of the hinged part is realized, and the folding of the car is realized, the car is prevented from being folded, and the car is fixed by 15.
When the folding state is required to be adjusted to the unfolding and fixing state, the coupler 15 is unfolded, the front foot tube 18 and the rear frame are unfolded, the folding fixing piece 11 is driven to move upwards along the front foot tube 18 at the moment, the joint button 13 is operated to rotate upwards, after the stay wire 10 is loosened, the seat cushion fixing iron sheet 1 is enabled to move downwards under the reset action of the fixing pressure spring 3, and the trolley positioning flat iron 5 is driven to protrude outwards to realize the matched fixing of locking holes on the folding fixing piece 11 at the position of the trolley positioning flat iron 5; when the upper joint 12 is rotated anticlockwise to the use position, the joint button 13 is released to enable the wheel positioning assembly to be in a locking state, and the wheel 8 is meshed with the upper joint 12 and the lower joint 6, so that a fixed state is ensured.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention and are intended to be within the scope of the appended claims and description; any alternative modifications or variations to the embodiments of the present invention will fall within the scope of the present invention for those skilled in the art.
The present invention is not described in detail in the present application, and is well known to those skilled in the art.
Claims (6)
1. Rotary baby stroller, its characterized in that: the folding device comprises a supporting mechanism and a pushing handle assembly, wherein the supporting mechanism comprises a front foot tube (18) and a rear foot rest, the bottom of the front foot tube (18) is connected with a front wheel assembly, the bottom of the rear foot rest is connected with a rear wheel assembly, the rear foot rest is formed by fixedly connecting two rear foot tubes (25) which are arranged at intervals, a folding assembly is movably arranged on the front foot tube, the upper end of the folding assembly is hinged with the lower part of the front end of a seat cushion assembly, one side end of the folding assembly is hinged with the middle part of the rear foot rest, the lower part of the rear end of the seat cushion assembly is hinged with a support fixed on the upper part of the front foot tube (18), the lower part of a rear foot connecting piece (30) is hinged with the top of the rear foot rest, the upper part of the rear foot tube (18) is hinged with the upper part of the front foot tube, the upper end of the supporting mechanism is connected with the lower end of the pushing handle assembly through a rotating mechanism, the rotating mechanism is used for controlling the relative movable folding of the pushing handle assembly and the front foot tube (18), the rotating mechanism is relatively fixed with the middle part of the rear foot tube (18), and the locking assembly is connected with the front foot tube (18) through a locking wire (10) through a locking mechanism;
The folding assembly comprises a locking part and a folding fixing piece (11) sleeved on the front foot pipe (18), and a locking hole matched with and clamped with a trolley positioning flat iron (5) on the locking part to realize positioning is formed in the side wall of the folding fixing piece (11);
the rotating mechanism comprises a lower joint (6) fixedly connected with the top of the front foot tube and an upper joint (12) fixedly connected with the bottom of the pushing handle assembly, and a cavity of a hinge part of a rotating shaft between the upper joint (12) and the lower joint (6) is matched with a roller positioning assembly to realize control of the lower joint (6) and the upper joint (12) to be in a positioning state;
the folding assembly comprises folding fixing pieces (11) movably sleeved on the outer side walls of the front foot tubes, two seat frame fixing pieces (23) are arranged on the upper portions of the folding fixing pieces (11) side by side, the upper ends of the seat frame fixing pieces (23) are respectively and movably hinged to the bottoms of the front sections of the seat cushions (20), seat frame fixing pipes (24) are arranged on one sides of the folding fixing pieces (11), and two ends of each seat frame fixing pipe (24) are respectively and movably hinged to the folding fixing pieces (11) and the rear foot frames.
2. The rotary stroller of claim 1, wherein: an adjustable foot support assembly is arranged at the lower part of the front end of the seat cushion assembly, the foot support assembly comprises a foot adjusting button (22) movably arranged at the lower part of the front end of the seat cushion assembly, a connecting pipe is arranged at the lower end of the foot adjusting button (22), and a first foot pedal (21) is arranged at the lower end of the connecting pipe.
3. The rotary stroller of claim 1, wherein: the pushing handle assembly comprises a pushing handle pipe (17) fixedly connected with the upper joint (12), and a pushing handle (16) is arranged at the top of the pushing handle pipe (17).
4. The rotary stroller of claim 1, wherein: the seat cushion assembly comprises a seat cushion (20), a front handrail (19) with adjustable height is arranged at the top of the front end of the seat cushion (20), and a seat frame fixing iron sheet (27) arranged at the bottom of the rear side of the seat cushion (20), wherein the seat frame fixing iron sheet (27) is hinged with the upper part of the rear foot connecting piece (30).
5. The rotary stroller of claim 1, wherein: the front wheel assembly comprises a second pedal (29) fixedly connected with the bottom of the front foot tube (18), and front wheels (28) are respectively arranged on two sides of the bottom of the second pedal (29); the rear wheel assembly comprises a rear wheel frame arranged at the bottom of the rear foot rest, and rear wheels (26) are respectively arranged at two ends of the rear wheel frame.
6. The rotary stroller of claim 1, wherein: a backrest (14) is movably arranged on the front side of the push handle assembly, and the bottom of the backrest (14) is movably hinged to the lower part of the push handle assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911030577.6A CN110949482B (en) | 2019-10-28 | 2019-10-28 | Rotary baby carriage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911030577.6A CN110949482B (en) | 2019-10-28 | 2019-10-28 | Rotary baby carriage |
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| Publication Number | Publication Date |
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| CN110949482A CN110949482A (en) | 2020-04-03 |
| CN110949482B true CN110949482B (en) | 2024-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911030577.6A Active CN110949482B (en) | 2019-10-28 | 2019-10-28 | Rotary baby carriage |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112623013B (en) * | 2021-02-04 | 2024-05-07 | 黄金宝贝儿童用品有限公司 | Trolley with 360-degree bidirectional reversing function |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211543661U (en) * | 2019-10-28 | 2020-09-22 | 山东传奇贝贝儿童用品有限公司 | Rotary baby carriage |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2389813Y (en) * | 1999-07-01 | 2000-08-02 | 英属维京群岛商育丰有限公司 | Collapsible perambulator |
| KR20100086091A (en) * | 2009-01-20 | 2010-07-30 | 박용국 | The stroller which it folds by one hand |
| CN204161425U (en) * | 2014-11-03 | 2015-02-18 | 昆山小小恐龙儿童用品有限公司 | A kind of Folding trolley |
| CN208692706U (en) * | 2017-12-12 | 2019-04-05 | 中山市瀚威日用制品有限公司 | Foldable dining chair |
| CN109017956A (en) * | 2018-09-18 | 2018-12-18 | 中山市西区青原贸易代理服务部 | Cart frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211543661U (en) * | 2019-10-28 | 2020-09-22 | 山东传奇贝贝儿童用品有限公司 | Rotary baby carriage |
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