CN110949482A

CN110949482A - Rotary baby carriage

Info

Publication number: CN110949482A
Application number: CN201911030577.6A
Authority: CN
Inventors: 王吉凯; 张德祥; 王宁
Original assignee: Shandong Legend Baby Children Products Co ltd
Current assignee: Shandong Legend Baby Children Products Co ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-04-03

Abstract

The invention relates to the field of baby strollers, in particular to a rotary baby stroller which comprises a supporting mechanism and a push handle assembly, wherein the supporting mechanism comprises a front foot tube and a rear foot frame, the bottom of the front foot tube is connected with a front wheel assembly, the bottom of the rear foot frame is connected with a rear wheel assembly, the rear foot frame is formed by fixedly connecting two rear foot tubes which are arranged at intervals, a folding assembly 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 push handle assembly through a rotating mechanism, the rotating mechanism is used for controlling the push handle assembly and the front foot tube to be movably folded and relatively fixed relatively, and the rotating mechanism is connected with the folding assembly through a guy wire and is used for controlling the front foot tube to be locked. The product has the advantages of large and beautiful appearance; the structure is reasonable, and the stability is strong; the multifunctional operation is simple, and the safety is high; convenient to use, folding small, conveniently carry.

Description

Rotary baby carriage

Technical Field

The invention relates to the field of baby strollers, in particular to a rotary baby stroller.

Background

When a child is taken out to play or walk a bend, the baby stroller can be carried to reduce the burden of parents on taking the child to a certain extent, and the baby stroller is popular with people in the market at present.

While bringing convenience, people also find some problems and disadvantages of the prior baby stroller under the condition of using the baby stroller for a long time: the baby stroller in the market is generally large in size and poor in operability in the using process; the structure is unreasonable in appearance, the stability is poor in the using and running process, the side turning is easy to happen sometimes, the running safety is poor, and the operation steps of unfolding and folding are relatively complex in the unfolding and storage processes.

Therefore, for the defects of the existing baby stroller, a better safe baby stroller is designed 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: rotary baby carriage comprising support mechanism and push handle assembly, the support mechanism includes front leg tube 18 and back leg frame, the bottom of the front leg tube 18 is connected with front wheel assembly, the bottom of the back leg frame is connected with back wheel assembly, the front leg tube is movably mounted with a folding assembly, the upper end of the folding assembly is hinged with the front lower part of the cushion assembly, one side end is hinged with the middle part of the back leg frame, the back lower part of the cushion assembly is hinged with the fixed support on the upper part of the front leg tube 18, the lower part of a back leg connecting piece 30 is hinged with the top of the back leg frame, the upper part is hinged with the upper part of the front leg tube 18, the upper end of the front leg tube 18 of the support mechanism is connected with the lower end of the push handle assembly through a rotation mechanism, the rotation mechanism is used for controlling the push handle assembly to be folded with the relative movement of the front leg tube 18, Relatively fixed, the swivel mechanism is connected to the folding assembly by a stay wire 10 and is used to control the locking of the folding assembly on the head 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 folding fixing piece 11 and a locking part, the folding fixing piece 11 comprises a folding fixing piece 11 sleeved on the front foot tube 18, and a locking hole for realizing positioning in a matching clamping manner with the trolley positioning flat iron 5 on the locking part is formed in the side wall of the folding fixing piece 11.

Preferably, the locking component comprises a positioning part fixing piece 2 fixed on the inner wall of the front foot pipe 18, a cushion fixing iron sheet 1 with an L-shaped section is installed on one side of the positioning part fixing piece 2, a fixing pressure spring 3 is fixedly installed at the bottom of the cushion fixing iron sheet 1, the upper end of the fixing pressure spring 3 is abutted to the bottom of the positioning part fixing piece 2, two strip through grooves which are oppositely arranged are formed in the cushion fixing iron sheet 1, the lower sections of the two strip through grooves are arranged in parallel, the upper sections of the two strip through grooves are mutually far away from each other to form a V self-arrangement, a push rod fixing pin 4 is respectively inserted in each strip through groove, the inner end part of each push rod fixing pin 4 is movably inserted in a transverse groove in the middle of the positioning part fixing piece 2, the outer end part of each push rod fixing pin is matched with the trolley positioning flat iron 5, and the end part of each trolley positioning flat, the fixed iron sheet 1 of seatpad drives through reciprocating the tip withdrawal of shallow location band iron 5 is worn out through the through-hole on the 18 lateral walls of front foot pipe, the upper end of the fixed iron sheet 1 of seatpad pass through cable iron wire 10 with slewing mechanism cooperatees and connects.

Preferably, an adjustable foot supporting component is installed at the lower part of the front end of the seat cushion component, the foot supporting component comprises a foot adjusting button 22 movably installed at the lower part of the front end of the seat cushion component, and the lower end of the foot adjusting button 22 is provided with a foot pedal 21 through a connecting pipe.

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 push 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 Z-wheel positioning assembly to realize a positioning state of the lower joint 6 and the upper joint 12.

Preferably, the z wheel positioning assembly includes a joint z wheel 8 of incomplete tooth is treated on the surface of the intracavity of the lower joint 6, teeth on the rear section of the joint z wheel 8 respectively with the cooperation of each limit tooth socket on the intracavity front section inner wall of the lower joint 6, teeth on the front section respectively with the cooperation of each limit tooth socket on the intracavity front section inner wall of the upper joint 12 a joint pressure spring 9 is installed in the cavity of the rear end of the joint z wheel 8, a joint button 13 is fixedly installed on the front end face of the joint z wheel 8, the front end of the joint button 13 is movably inserted in the pressing cavity of the front end face of the upper joint 12 a folding positioning member 7 is installed in the z wheel positioning assembly, the upper end of the guy wire 10 passes through the lower joint 6 and is connected with the folding positioning member 7.

Preferably, an arc-shaped circular groove is formed in the inner end face of the upper joint and the inner end face of the lower joint in abutting joint with the inner end face of the upper joint, a folding positioning piece 7 is installed at the overlapping position of the two arc-shaped circular grooves, the inner end and the outer end of the folding positioning piece 7 are movably inserted into the corresponding circular grooves respectively, the upper end of the stay 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 the table column on the folding positioning piece 7 and the table sections at the end parts of the two circular grooves.

Preferably, the push handle assembly comprises a push handle pipe 17 fixedly connected with the upper joint 12, and a push handle 16 is installed at the top of the push handle pipe 17.

Preferably, a car collecting hook is fixedly installed on the outer side wall of the push handle pipe 17, the car collecting hook is hung on a protruding shaft protruding on the front foot pipe through a hook hole on the car collecting hook, and the car collecting hook is sleeved on the protruding shaft in a storage state to realize the fixation in a folding state.

Preferably, the seat cushion assembly comprises a seat cushion 20, a front armrest 19 with adjustable height is installed on the top of the front end of the seat cushion 20, and a seat frame fixing iron sheet 27 is arranged at the bottom of the rear side of the seat cushion 20, and the seat frame fixing iron sheet 27 is hinged with the upper part of the rear foot connecting piece 30.

Preferably, the folding assembly includes a folding fixing member 11 movably sleeved on the outer side wall of the front leg, two seat frame fixing pipes 23 are arranged side by side on the upper portion of the folding fixing member 11, the upper end of each seat frame fixing pipe 23 is movably hinged with the bottom of the front section of the seat cushion 20, a seat frame fixing pipe 24 is arranged on one side of the folding fixing member 11, and two ends of the seat frame fixing pipe 24 are movably hinged with the folding fixing member 11 and the rear leg frame.

Preferably, the front wheel assembly comprises a pedal plate 29 fixedly connected with the bottom of the front foot tube 18, and front wheels 28 which are universal wheels are respectively arranged on two sides of the bottom of the pedal plate 29; the rear wheel assembly comprises a rear wheel frame arranged at the bottom of the rear foot rest, and rear wheels 26 which are universal wheels are respectively arranged at two ends of the rear wheel frame.

Preferably, a backrest 14 is movably mounted at the front side of the push handle assembly, and the bottom of the backrest 14 is movably hinged at the lower part of the push handle assembly.

Preferably, a large seat cushion 33 is installed on the upper portion of the seat cushion 20, the large seat cushion 33 is movably inserted into an installation 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 arranged on the outer side wall of the lower part of the inserting shaft, the quick cutting positioning piece 36 is used for realizing the limiting and positioning with a limiting groove on the inner side wall of the installing hole, the quick cutting positioning piece 36 presses the quick cutting positioning piece 36 through the front and rear reversing pieces 35 of the pressing pin shaft type and is used for realizing the rotation of the inserting shaft and realizing the rotation reversing and fixing of the large seat cushion 33 after being separated from the limiting groove, a front wall 34 is arranged at the front side of the upper part of the large seat cushion 33, the two rear ends of the front wall 34 are movably hinged on the large seat cushion 33, the top of the large seat cushion 33 is provided with a head canopy seat 32 and also comprises a head canopy 31, and the head canopy 31 is arranged on the head canopy seat 32 or the upper part of the push handle pipe 17.

The invention has the beneficial effects that: the product has the advantages of large and beautiful appearance; the structure is reasonable, and the stability is strong; the multifunctional operation is simple, and the safety is high; convenient to use, folding small, conveniently carry.

The rotary baby stroller is improved and designed according to a double-cross triangle principle, slides up and down on the same support shaft, is supported according to the triangle principle, and a support sleeve which slides up and down is fixed at a support point, namely 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 upper and lower triangle principle of the cross shaft; when two supporting points of the triangular structure are operated at the same point, and the other supporting point of the triangular structure rotates, the supporting rod can slide and fold along the supporting rod. When the sliding point is fixed, the two triangular points can be opened at the same time; when the sliding plate slides to the bottom, the sliding plate is in a folding structure; the volume is smaller after folding, and the storage is more convenient.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.

Fig. 1 is a schematic perspective view of the present invention (without a large seat cushion).

Fig. 2 is a schematic structural view of the present invention in a half-folded state.

Fig. 3 is a schematic structural view of the folded state of the present invention.

FIG. 4 is a schematic view of the support mechanism and the push handle assembly of the present invention in an unfolded state.

FIG. 5 is a schematic view of the support mechanism and the push handle assembly of the present invention in a folded configuration.

Fig. 6 is a structural diagram illustrating the supporting mechanism, the pushing handle assembly and the seat cushion assembly of the present invention in a use state.

Fig. 7 is a schematic view of the folded state structure of fig. 6.

Fig. 8 is a partial structural view of the locked state of the present invention.

Fig. 9 is a partial structural view illustrating a rotatable state of the present invention.

Fig. 10 is a partial structural view showing different states of the rotating mechanism of the present invention.

FIG. 11 is a schematic view of the open state structure of the positioning assembly of the present invention.

FIG. 12 is a schematic view of a folded structure of the positioning assembly of the present invention.

Fig. 13 is a structural view showing an open state of the locking member of the present invention.

Fig. 14 is a structural view showing a folded state of the locking member of the present invention.

Fig. 15 is a perspective view of the present invention.

Fig. 16 is a perspective view of the large seat cushion of fig. 15 after rotation.

Fig. 17 is a first perspective view of the large seat cushion and the related components thereon.

Fig. 18 is a second perspective view of the large seat cushion and the related components thereon.

In the figure, 1, a cushion is fixed with an iron sheet; 2. a positioning member fixing member; 3. fixing a pressure spring; 4. a push rod fixing pin; 5. positioning flat iron by a cart; 6. the lower joint; 7. folding the positioning piece; 8. a joint Z wheel; 9. a joint pressure spring; 10. stay wire iron wire; 11. folding the fixing piece; 12. an upper joint; 13. a joint button; 14. a backrest; 15. Vehicle acquisition and purchase; 16. a push handle; 17. A handle pushing pipe; 18. a front leg tube; 19. a front armrest; 20. a seat cushion; 21. a foot pedal; 22. a foot-operated adjustment button; 23. a seat frame fixing member; 24. a seat frame fixing tube; 25. a rear foot tube; 26. a rear wheel; 27. the seat frame fixes the iron sheet; 28. a rear wheel; 29. a foot pedal; 30. a rear foot link; 31. A head canopy; 32. a canopy seat; 33. a large seat cushion; 34. front enclosing; 35. front and rear reversing pieces.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 18, the rotary stroller comprises a support mechanism and a push handle assembly, wherein the support mechanism comprises a front leg tube 18 and a rear leg frame, the bottom of the front leg tube 18 is connected with a front wheel assembly, the bottom of the rear leg frame is connected with a rear wheel assembly, a folding assembly is movably mounted on the front leg 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 leg 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 leg tube 18, the lower part of a rear leg connecting member 30 is hinged with the top of the rear leg frame, the upper part of the rear leg frame is hinged with the upper part of the front leg tube 18, the upper end of the front leg tube 18 of the support mechanism is connected with the lower end of the push handle assembly through a rotating mechanism, and the rotating mechanism is used, Relatively fixed, the swivel mechanism is connected to the folding assembly by a stay wire 10 and is used to control the locking of the folding assembly on the head tube 18.

When the folding state is required, the joint button 13 is pressed down, the joint Z wheel 8, the upper joint 12 and the lower joint 6 are in a non-meshed state, the upper joint 12 can rotate relatively, the upper joint 12 is rotated downwards and drives the components on the upper joint to rotate together, the folding positioning piece 7 is pushed to rotate clockwise through the table section at the end part of the circular groove on the upper joint 12, so that the stay cable iron 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, because the seat cushion has two strip through grooves due to the fixing iron sheet 1, the push rod fixing pin 44 and two sides of the trolley positioning flat iron 5 move inwards at the same time, the trolley positioning flat iron 5 retracts inwards and moves to the inside of the front foot pipe 18 and is separated from the locking hole on the folding fixing piece 11, the seat frame fixing pipe 27, the seat frame fixing pipe 23 and the like are pressed to move, then the folding fixing piece 11 is pulled downwards to move downwards along the front foot tube 18, the folding of the main part is completed, the folding of other parts is the direct folding of the hinged part after receiving pressing force, the whole folding process is finally completed, the folding and fixing are realized through the folding and pulling hook 15, and the deformation and the return are prevented.

When the folding state needs to be adjusted to the fixed state, the folding hook 15 is opened, the front leg tube 18 and the rear frame are unfolded, the folding fixing piece 11 is driven to move upwards along the front leg tube 18 at the moment, the joint button 13 is operated to rotate upwards, after the stay cable iron wire 10 is loosened, the seat cushion fixing iron sheet 1 can 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 matching and fixing with the locking hole on the folding fixing piece 11 at the position of the trolley positioning flat iron 5 at the moment; after the upper joint 12 is rotated anticlockwise to the use position, the joint button 13 is loosened to enable the Z wheel positioning assembly to be in the locking state, and at the moment, the joint Z wheel 8 is in the meshed state with the upper joint 12 and the lower joint 6, so that the fixing state is ensured.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention, and the technical solutions are all covered in the scope of the claims and the specification of the present invention; it will be apparent to those skilled in the art that any alternative modifications or variations to the embodiments of the present invention may be made within the scope of the present invention.

The present invention is not described in detail, but is known to those skilled in the art.

Claims

1. Rotary baby stroller, its characterized in that: the foldable seat cushion is characterized by comprising 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, the rear foot frame is fixedly connected with two rear foot tubes (25) which are arranged at intervals, a folding assembly is movably mounted 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 fixed support 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 rear foot connecting piece is hinged with the upper part of the front foot tube (18), the upper end of the front foot tube (18) of the supporting mechanism is connected with the lower end of the pushing handle assembly through a rotating mechanism, and, And the rotating mechanism is relatively fixed, is connected with the folding assembly through a stay wire (10) and is used for controlling the folding assembly to be locked on the front foot tube (18).

2. A rotary stroller in accordance with claim 1, in which: folding subassembly is including folding mounting (11) and locking part, folding mounting (11) are including cup jointing folding mounting (11) on front foot pipe (18) the lateral wall of folding mounting (11) seted up with shallow location band iron (5) on the locking part realize the locking hole of location to the cooperation joint.

3. A rotary stroller in accordance with claim 1, in which: the adjustable foot support component is mounted on the lower portion of the front end of the seat cushion component, the foot support component comprises a pedal adjusting button (22) movably mounted on the lower portion of the front end of the seat cushion component, and a pedal plate (21) is mounted at the lower end of the pedal adjusting button (22) through a connecting pipe.

4. A rotary stroller in accordance with claim 1, in which: 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 push handle assembly, and a cavity at the hinged part of a rotating shaft between the upper joint (12) and the lower joint (6) is matched with a Z-wheel positioning assembly to realize the positioning state of the lower joint (6) and the upper joint (12).

5. A rotary stroller in accordance with claim 4, in which: the push handle component comprises a push handle pipe (17) fixedly connected with the upper joint (12), and a push handle (16) is installed at the top of the push handle pipe (17).

6. A rotary stroller in accordance with claim 1, in which: the seat cushion assembly comprises a seat cushion (20), wherein a front handrail (19) with adjustable height is installed at the top of the front end of the seat cushion (20) and is arranged on a seat frame fixing iron sheet (27) at the bottom of the rear side of the seat cushion (20), and the seat frame fixing iron sheet (27) is hinged to the upper portion of the rear foot connecting piece (30).

7. A rotary stroller in accordance with claim 1, in which: 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 tubes (23) are arranged on the upper portion of the folding fixing piece (11) side by side, the upper ends of the seat frame fixing tubes (23) are respectively 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 movably hinged with the folding fixing piece (11) and the rear foot frame.

8. A rotary stroller in accordance with claim 1, in which: the front wheel assembly comprises a pedal plate (29) fixedly connected with the bottom of the front foot tube (18), and front wheels (28) which are universal wheels are respectively arranged on two sides of the bottom of the pedal plate (29); the rear wheel assembly comprises a rear wheel frame arranged at the bottom of the rear foot rest, and rear wheels (26) which are universal wheels are respectively arranged at two ends of the rear wheel frame.

9. A rotary stroller in accordance with claim 1, in which: a backrest (14) is movably arranged at the front side of the push handle component, and the bottom of the backrest (14) is movably hinged at the lower part of the push handle component.