CN108482469B - Child cart - Google Patents
Child cart Download PDFInfo
- Publication number
- CN108482469B CN108482469B CN201810316352.6A CN201810316352A CN108482469B CN 108482469 B CN108482469 B CN 108482469B CN 201810316352 A CN201810316352 A CN 201810316352A CN 108482469 B CN108482469 B CN 108482469B
- Authority
- CN
- China
- Prior art keywords
- orientation
- wheel
- seat
- shaft
- state
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- B62B7/042—Steering devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/02—Castors in general; Anti-clogging castors with disengageable swivel action, i.e. comprising a swivel locking mechanism
- B60B33/025—Castors in general; Anti-clogging castors with disengageable swivel action, i.e. comprising a swivel locking mechanism by using form-fit, e.g. front teeth
-
- 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
-
- 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
- B62B7/10—Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable by folding down the body to the wheel carriage or by retracting projecting parts into the box-shaped body
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2301/00—Wheel arrangements; Steering; Stability; Wheel suspension
- B62B2301/04—Wheel arrangements; Steering; Stability; Wheel suspension comprising a wheel pivotable about a substantially vertical axis, e.g. swivelling castors
- B62B2301/046—Wheel arrangements; Steering; Stability; Wheel suspension comprising a wheel pivotable about a substantially vertical axis, e.g. swivelling castors with means restricting the rotation about that axis
- B62B2301/0463—Wheel arrangements; Steering; Stability; Wheel suspension comprising a wheel pivotable about a substantially vertical axis, e.g. swivelling castors with means restricting the rotation about that axis by blocking the rotation at a position
- B62B2301/04632—Wheel arrangements; Steering; Stability; Wheel suspension comprising a wheel pivotable about a substantially vertical axis, e.g. swivelling castors with means restricting the rotation about that axis by blocking the rotation at a position at two or more positions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B2301/00—Wheel arrangements; Steering; Stability; Wheel suspension
- B62B2301/04—Wheel arrangements; Steering; Stability; Wheel suspension comprising a wheel pivotable about a substantially vertical axis, e.g. swivelling castors
- B62B2301/046—Wheel arrangements; Steering; Stability; Wheel suspension comprising a wheel pivotable about a substantially vertical axis, e.g. swivelling castors with means restricting the rotation about that axis
- B62B2301/0465—Wheel arrangements; Steering; Stability; Wheel suspension comprising a wheel pivotable about a substantially vertical axis, e.g. swivelling castors with means restricting the rotation about that axis by urging the wheel into a position, e.g. into a straight forward position
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
- Toys (AREA)
Abstract
The invention discloses a wheel device and a child cart, wherein the wheel device is provided with a first orientation state, a universal state and a second orientation state, the wheel device comprises a wheel seat, a wheel assembly, a first orientation mechanism and a second orientation mechanism, the first orientation mechanism comprises a first orientation shaft and a first orientation part, the second orientation mechanism can enable the wheel device to be converted from the first orientation state or the universal state to the second orientation state, the second orientation mechanism comprises a driving assembly, a second orientation shaft and a second orientation part, and the driving assembly can be matched with the first orientation shaft to drive the first orientation shaft to move and can also be matched with the second orientation shaft to drive the wheel assembly to rotate. According to the invention, through the arrangement of the second orientation mechanism, the child trolley can automatically switch from the first orientation state or the universal state to the second orientation state in folding, the child trolley in the second orientation state can stand independently, the storage is convenient, the occupied area is small, and the child trolley which stands independently is easy to keep clean.
Description
Technical Field
The invention relates to the technical field of children supplies, in particular to a child trolley.
Background
The orientation mechanism of the wheels of the baby carrier and the baby carrier (such as the bulletin No. CN 201626257U) in the prior art comprise a wheel rotating piece, a fixing piece, a locking mechanism and a limiting mechanism, wherein the locking mechanism comprises an orientation pin arranged on the fixing piece, a locking groove arranged on the wheel rotating piece and an operating piece, and the locking mechanism is in a locking state and an unlocking state; in the locking state, the orientation pin is inserted into the locking groove, and the wheel rotating piece is locked relative to the fixed piece; in an unlocking state, the orientation pin is separated from the locking groove, and the wheel rotating piece rotates relative to the fixing piece. The limiting mechanism comprises a spring tongue arranged on the operating piece, an upper abutting part and a lower abutting part arranged on the fixing piece, and a first pressure spring for providing force for the spring tongue to press the fixing piece; in the locking state, the spring tongue is propped against the lower propping part upwards, and in the unlocking state, the spring tongue is propped against the upper propping part downwards. After the children's vehicle is folded, when the wheels are in a universal state, the wheels are universal and unstable, so that the children's vehicle cannot stand up; when the wheels are in an oriented state, the distance between the front wheels and the rear wheels is too short, so that the baby carriage cannot stand independently, the folded baby carriage needs to be horizontally placed, inconvenience is brought to storage, the occupied area is large, and the horizontally placed baby carriage body is not easy to keep clean.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a child stroller which can automatically turn from a first orientation state or a universal state to a second orientation state when being folded, and can stand up after being folded.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a wheel assembly having a first orientation and a gimbaled condition, comprising a wheel mount, a wheel assembly rotatably coupled to the wheel mount, a first orientation mechanism disposed between the wheel mount and the wheel assembly for securing the relative positions of the wheel mount and the wheel assembly, the first orientation mechanism comprising a first orientation shaft slidably coupled to the wheel mount, a first orientation portion disposed on the wheel assembly, the first orientation shaft being capable of engaging the first orientation portion when the wheel assembly is in the first orientation condition, the first orientation shaft being capable of disengaging the first orientation shaft from the first orientation portion when the wheel assembly is in the gimbaled condition, the wheel assembly further having a second orientation, the wheel assembly further comprising a second orientation mechanism capable of enabling the wheel assembly to be transferred from the first orientation condition or the gimbaled condition to the second orientation condition, the second orientation mechanism comprising a second orientation shaft capable of engaging the second orientation shaft to the first orientation portion when the wheel assembly is in the first orientation condition, the second orientation shaft is capable of engaging the second orientation portion when the wheel assembly is in the first orientation condition, and the second orientation mechanism is capable of engaging the second orientation shaft and thereby enabling movement of the wheel assembly when the wheel assembly is in the first orientation condition and the second orientation member is capable of engaging the second orientation member is capable of moving with the first orientation portion when the first orientation member is in the second orientation condition, the first orientation shaft is separated from the first orientation part, and the second orientation shaft is matched with the second orientation part.
Specifically, the driving assembly comprises a steering seat piece which is connected with the wheel assembly in a sliding way and can be matched with the first directional shaft and the second directional shaft, and a traction lock which is connected with the steering seat piece and can drive the steering seat piece to slide.
Preferably, the steering seat member includes a ramp surface capable of cooperating with the second orientation shaft to rotate the wheel assembly, the ramp surface extending from top to bottom.
Further preferably, the inclined plane includes a first inclined plane and a second inclined plane symmetrically arranged with the first inclined plane, the top end of the first inclined plane is connected with the top end of the second inclined plane, and the second orientation part is located between the bottom end of the first inclined plane and the bottom end of the second inclined plane.
Still further preferably, the wheel device further comprises a limiting seat penetrating through the wheel assembly and fixedly connected with the wheel seat, and a quick-release seat part penetrating through the wheel assembly and positioned above the limiting seat and fixedly connected with the wheel seat; when the wheel device is in the first orientation state, the first orientation mechanism is propped against the limiting seat, the steering seat piece is propped against the limiting seat and separated from the quick-release seat piece, and the second orientation shaft is positioned right above the joint of the top end of the first inclined plane and the top end of the second inclined plane; when the wheel device is in the universal state, the first orientation mechanism is separated from the limiting seat, and the steering seat piece is propped against the limiting seat and separated from the quick-release seat piece; when the wheel device is in the second orientation state, the first orientation mechanism is separated from the limiting seat, and the steering seat piece is separated from the limiting seat and is propped against the quick-release seat piece.
Still further preferably, the wheel device further comprises a guide groove provided on the quick release seat, the steering seat further comprises a guide post capable of matching with the guide groove, and the guide post is connected with the bottom end outer side surface of the first inclined surface and the bottom end outer side surface of the second inclined surface.
Specifically, the first orientation mechanism further comprises an unlocking piece which can drive the first orientation shaft to move and is connected with the wheel seat, when the wheel device is in the first orientation state or the universal state, the unlocking piece is matched with the first orientation shaft, and when the wheel device is in the second orientation state, the unlocking piece is separated from the first orientation shaft.
Specifically, the wheel assembly comprises a rotating shaft inserted in the wheel seat, the second directional shaft is inserted on the rotating shaft, one end of the second directional shaft extends outwards from the rotating shaft and protrudes, and the axis of the rotating shaft extends along the up-down direction of the wheel device.
Specifically, the first orientation mechanism further comprises a first elastic piece, wherein one end part of the first elastic piece is propped against the wheel seat, and the other end part of the first elastic piece is propped against the first orientation shaft; the second orientation mechanism further comprises a second elastic piece, one end part of the second elastic piece is propped against the wheel seat, and the other end part of the second elastic piece is propped against the driving assembly.
The children's barrow comprises a frame, the wheel device fixedly connected with the frame, and the traction lock can drive the children's barrow to fold.
The terms of the directions such as left, right, up, down, front, back, inner, outer and the like referred to above are defined as directions when the stroller is in a use state.
The scope of the present invention is not limited to the technical solutions of the specific combination of the above technical features, but also covers other technical solutions of any combination of the above technical features or the equivalent features thereof. Such as those described above, and those disclosed in the present application (but not limited to) having similar functions, are replaced with each other.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the folding child cart, the second orientation mechanism is arranged, so that the child cart can automatically switch to the second orientation state from the first orientation state or the universal state in the folding process, the folding child cart in the second orientation state can stand independently, the storage is convenient, the occupied area is small, the child cart which is placed independently is easy to keep clean, the structure is simple, the use is convenient, and the practicability is strong.
Drawings
FIG. 1 is an exploded view of a wheel assembly of the child stroller of the present invention;
FIG. 2 is a side view of the wheel assembly of the child stroller in a gimbaled condition in accordance with the present invention;
FIG. 3 is a top view of the wheel assembly of the child stroller in a gimbaled condition according to the present invention;
FIG. 4 is a cross-sectional view of the wheel assembly A-A of the child stroller in a gimbaled condition according to the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4;
FIG. 6 is a side view of the wheel assembly of the child stroller in a first orientation;
FIG. 7 is a top view of the wheel assembly of the child stroller in a first orientation;
FIG. 8 is a cross-sectional view of the wheel assembly B-B of the child stroller in a first oriented configuration according to the present invention;
FIG. 9 is an enlarged view of a portion of FIG. 8;
FIG. 10 is a side view of the wheel assembly of the child stroller in a second orientation;
FIG. 11 is a top view of the wheel assembly of the child stroller in a second orientation;
FIG. 12 is a cross-sectional view of the wheel assembly K-K of the child stroller in a second orientation;
FIG. 13 is an enlarged view of a portion of FIG. 12;
FIG. 14 is a side view of a wheel assembly, second orientation mechanism of the stroller of the present invention;
FIG. 15 is a front view of the wheel assembly, first orientation mechanism, second orientation mechanism of the stroller of the present invention;
FIG. 16 is a perspective view of the child stroller of the present invention;
FIG. 17 is a side view of the child stroller of the present invention;
FIG. 18 is a front view of the child stroller of the present invention;
FIG. 19 is a folding view of the child stroller of the present invention;
wherein: 1. wheel seats; 2. a wheel assembly; 21. a rotating shaft; 22. a fork; 31. A first orientation shaft; 32. a first orientation part; 33. an unlocking member; 34. a first elastic member; 42. A second orientation axis; 43. a second orientation section; 44. a second elastic member; 45. a steering seat member; 471. A first inclined surface; 472. a second inclined surface; 48. a guide post; 49. a second guide post; 5. a limit seat; 6. quick-release seat members; 7. a guide groove; 81. a first protrusion; 82. a second protrusion; 83. and a third protrusion.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and specific embodiments.
As shown in the drawings, the invention relates to a child stroller with a use state and a folded state, which comprises a frame and a wheel device fixedly connected with the frame, wherein in the embodiment, the wheel device is a front wheel device.
As shown in the drawings, the wheel device has a first orientation state, a universal state and a second orientation state, and comprises a wheel seat 1, a wheel assembly 2, a first orientation mechanism, a limit seat 5, a quick release seat member 6, a guide groove 7, a first protrusion 81, a second protrusion 82 and a third protrusion 83.
The wheel assembly 2 can be rotationally connected with the wheel seat 1, the relative position of the wheel seat 1 and the wheel assembly 2 can be fixed through the first orientation mechanism arranged between the wheel seat 1 and the wheel assembly 2, the wheel device can be converted into the second orientation state from the first orientation state or the universal state through the second orientation mechanism, the limiting seat 5 is arranged on the wheel assembly 2 in a penetrating manner and is fixedly connected with the wheel seat 1, the quick-dismantling seat piece 6 is arranged on the wheel assembly 2 in a penetrating manner and is positioned above the limiting seat 5 and is fixedly connected with the wheel seat 1, and the guide groove 7 is formed in the quick-dismantling seat piece 6.
The wheel assembly 2 includes a rotation shaft 21 inserted in the wheel base 1, and a fork 22 rotatably connected to the wheel, and the rotation axis of the rotation shaft 21 extends in the up-down direction of the wheel device.
As shown in the drawings, the first orientation mechanism includes a first orientation shaft 31, a first orientation portion 32, and an unlocking piece 33. The first directional shaft 31 is slidably connected with the wheel base 1, in this embodiment, the first directional shaft 31 may include a directional member and a directional shaft, where the directional member is fixedly connected with the directional shaft; the first orientation portion 32 is provided on the wheel assembly 2 and is capable of being engaged with the first orientation shaft 31; in order to make the first orientation mechanism have a downward movement trend, the first orientation mechanism further comprises a first elastic piece 34, one end part of the first elastic piece 34 is propped against the quick release seat piece 6, the other end part of the first elastic piece is propped against the first orientation shaft 31, in order to make the first elastic piece 34 not deviate from the movement direction, the quick release seat piece 6 is further provided with a second bulge 82, the orientation piece is further provided with a third bulge 83, one end part of the first elastic piece 34 is penetrated on the second bulge 82, and the other end part of the first elastic piece 34 is penetrated on the third bulge 83, and in this embodiment, the first elastic piece 34 is an orientation pressure spring; the unlocking piece 33 is connected with the wheel seat 1 and can drive the first directional shaft 31 to move, the unlocking piece 33 can be connected with the wheel seat 1 through damping action, inclined planes or rotation and the like, and the connection mode of the unlocking piece 33 is not the important point of protection of the invention, so long as the connection of the unlocking piece 33 and the wheel seat 1 can be realized.
As shown in the drawings, the second orientation mechanism comprises a driving component, a second orientation shaft 42 and a second orientation part 43, wherein the driving component is in sliding connection with the wheel seat 1 and can be matched with the first orientation shaft 31 or the second orientation shaft 42, the second orientation shaft 42 is inserted on the rotating shaft 21, one end of the second orientation shaft 42 extends outwards from the rotating shaft 21 and protrudes, and the second orientation part 43 is formed on the driving component and can be matched with the second orientation shaft 42; in order to make the driving assembly have a downward movement trend, the second orientation mechanism further includes a second elastic member 44, where one end of the second elastic member 44 abuts against the quick release seat 6, and the other end abuts against the driving assembly, and the second elastic member 44 in this embodiment is a steering compression spring.
The first orientation mechanism and the second orientation mechanism move in the up-down direction of the wheel apparatus.
The driving assembly comprises a steering seat member 45 and a traction lock, wherein the steering seat member 45 is arranged on the rotating shaft 21 in a penetrating way and is in sliding connection with the wheel assembly 2, the traction lock is connected with the steering seat member 45 and can drive the steering seat member 45 to slide, the steering seat member 45 can be matched with the first steering shaft 31 to drive the first steering shaft 31 to move, and the steering seat member 45 can also be matched with the second steering shaft 42 to drive the wheel assembly 2 to rotate.
As shown in fig. 14 to 15, the steering seat 45 includes a slope extending from top to bottom, and the slope can cooperate with the second orientation shaft 42 to rotate the wheel assembly 2; as shown in fig. 1, in order to enable the sliding of the steering seat 45 along the up-down direction of the wheel device to improve stability, the steering seat 45 further includes a guide post 48, and the guide post 48 moves along the direction of the guide groove 7 so as to ensure that the movement direction of the steering seat 45 is not deviated, and in order to further improve the stability of the rotation of the steering seat 45, the steering seat 45 further includes a second guide post 49; as shown in fig. 5 and 9, in order to prevent the second elastic member 44 from shifting the moving direction, the steering seat member 45 is further provided with a first protrusion 81, and one end portion of the second elastic member 44 is inserted into the first protrusion 81.
As shown in fig. 14 and 15, the inclined plane includes a first inclined plane 471 and a second inclined plane 472 symmetrically arranged with respect to the first inclined plane 471, wherein a top end of the first inclined plane 471 is connected with a top end of the second inclined plane 472, a bottom end of the first inclined plane 471 is not connected with a bottom end of the second inclined plane 472, and the second orientation portion 43 is located between the bottom ends of the first inclined plane 471 and the second inclined plane 472; as shown in fig. 1, in order to make the steering seat 45 not easily broken, the guide posts 48 are respectively connected to the outer side surface of the bottom end of the first inclined surface 471 and the outer side surface of the bottom end of the second inclined surface 472.
In this embodiment, the stroller is folded, the traction lock is unlocked, the traction lock drives the frame to fold, and meanwhile, the traction lock can drive the steering seat member 45 to move so as to drive the wheel assembly 2 to rotate, so that the wheel device can be converted from the first orientation state or the universal state to the second orientation state when the stroller is folded.
As shown in fig. 6 to 9, when the wheel device is in the first orientation state, the fork 22 extends from bottom to top and forwards, the unlocking member 33 is abutted against the limiting seat 5, the first orientation shaft 31 is matched with the first orientation portion 32, the unlocking member 33 is matched with the first orientation shaft 31, the steering seat member 45 is abutted against the limiting seat 5 and separated from the quick release seat member 6, the second orientation shaft 42 is separated from the second orientation portion 43, and the second orientation shaft 42 is located right above the junction of the top end of the first inclined plane 471 and the top end of the second inclined plane 472.
As shown in fig. 2-5, when the wheel device is in a universal state, the unlocking piece 33 is separated from the limiting seat 5, the first directional shaft 31 is separated from the first directional part 32, the unlocking piece 33 is matched with the first directional shaft 31, and the steering seat piece 45 is propped against the limiting seat 5 and separated from the quick-release seat piece 6; the second orientation shaft 42 is separated from the second orientation portion 43.
As shown in fig. 10 to 13, when the wheel device is in the second orientation state, the fork 22 extends from bottom to top and backward, the unlocking member 33 is separated from the limiting seat 5, the first orientation shaft 31 is separated from the first orientation portion 32, the unlocking member 33 is separated from the first orientation shaft 31, the steering seat member 45 is separated from the limiting seat 5 and abuts against the quick release seat member 6, the steering seat member 45 is matched with the first orientation shaft 31, and the second orientation shaft 42 is matched with the second orientation portion 43.
Working principle:
the wheel apparatus transitions from the universal state to the first oriented state: when the wheel apparatus is in the universal state, the unlocking member 33 is pressed downward, the directional compression spring is reset, and the first directional shaft 31 is simultaneously moved downward until the first directional shaft 31 is engaged with the first directional portion 32, and the first directional state is reached at this time.
The wheel apparatus transitions from the universal state to the second orientation state: when the wheel device is in a universal state, the child stroller is folded, the traction lock is unlocked, the steering seat piece 45 is driven to move upwards until the steering seat piece 45 is matched with the first orientation shaft 31, the first orientation shaft 31 is driven to move upwards, the inclined plane is matched with the second orientation shaft 42, the wheel assembly 2 is rotated 180 degrees until the second orientation shaft 42 is matched with the second orientation part 43, and the wheel device is automatically steered to a second orientation state.
The wheel apparatus transitions from the first orientation state to the second orientation state: when the wheel device is in the oriented state, the stroller is folded, the traction lock is unlocked, the steering seat member 45 is driven to move upwards, the steering seat member 45 is matched with the first oriented shaft 31 to drive the first oriented shaft 31 to move upwards until the first oriented shaft 31 is separated from the first oriented part 32, at the moment, the wheel device is separated from the first oriented state, the steering seat member 45 continues to move upwards until the inclined plane is matched with the second oriented shaft 42 to enable the wheel assembly 2 to rotate 180 degrees, until the second oriented shaft 42 is matched with the second oriented part 43, and the wheel device completes automatic steering to reach the second oriented state.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (10)
1. A wheel device, has first orientation state and universal state, including wheel seat (1), can with wheel seat (1) rotate wheel subassembly (2) of connection, set up wheel seat (1) with wheel subassembly (2) between can with wheel seat (1) with wheel subassembly (2) fixed first orientation mechanism of relative position, first orientation mechanism include with wheel seat (1) sliding connection's first directional axle (31), set up in wheel subassembly (2) on first orientation portion (32), when wheel device be in first orientation state, first directional axle (31) with first orientation portion (32) cooperate, when wheel device be in universal state, first orientation axle (31) with first orientation portion (32) separate, its characterized in that: the wheel device also has a second orientation state, the wheel device also comprises a second orientation mechanism capable of enabling the wheel device to be converted from the first orientation state or the universal state to the second orientation state, the second orientation mechanism comprises a driving assembly which is connected with the wheel seat (1) in a sliding mode, a second orientation shaft (42) which is connected with the wheel assembly (2), and a second orientation part (43) which is formed on the driving assembly and can be matched with the second orientation shaft (42), the driving assembly can be matched with the first orientation shaft (31) so as to drive the first orientation shaft (31) to move, the driving assembly can also be matched with the second orientation shaft (42) so as to drive the wheel assembly (2) to rotate, and when the wheel device is in the first orientation state or the universal state, the second orientation shaft (42) is separated from the second orientation part (43) which is matched with the second orientation shaft (31), and when the driving assembly is in the second orientation part (43) is separated from the second orientation shaft (32).
2. The wheel device according to claim 1, wherein: the driving assembly comprises a steering seat (45) which is connected with the wheel assembly (2) in a sliding way and can be matched with the first directional shaft (31) and the second directional shaft (42), and a traction lock which is connected with the steering seat (45) and can drive the steering seat (45) to slide.
3. The wheel device according to claim 2, wherein: the steering seat (45) comprises a bevel which can be matched with the second orientation shaft (42) so as to drive the wheel assembly (2) to rotate, and the bevel extends from top to bottom.
4. A wheel arrangement according to claim 3, characterized in that: the inclined plane comprises a first inclined plane (471) and a second inclined plane (472) symmetrically arranged with the first inclined plane (471), the top end of the first inclined plane (471) is connected with the top end of the second inclined plane (472), and the second orientation part (43) is positioned between the bottom end of the first inclined plane (471) and the bottom end of the second inclined plane (472).
5. The wheel device according to claim 4, wherein: the wheel device also comprises a limit seat (5) which is penetrated on the wheel assembly (2) and fixedly connected with the wheel seat (1), and a quick-release seat part (6) which is penetrated on the wheel assembly (2) and is positioned above the limit seat (5) and fixedly connected with the wheel seat (1); when the wheel device is in the first orientation state, the steering seat (45) is propped against the limit seat (5) and separated from the quick-release seat (6), and the second orientation shaft (42) is positioned right above the connection part of the top end of the first inclined surface (471) and the top end of the second inclined surface (472); when the wheel device is in the universal state, the steering seat piece (45) is propped against the limit seat (5) and separated from the quick-release seat piece (6); when the wheel device is in the second orientation state, the steering seat (45) is separated from the limiting seat (5) and is propped against the quick-release seat (6).
6. The wheel device according to claim 5, wherein: the wheel device also comprises a guide groove (7) arranged on the quick-release seat (6), the steering seat (45) also comprises a guide post (48) which can be matched with the guide groove (7), and the guide post (48) is connected with the bottom end outer side surface of the first inclined surface (471) and the bottom end outer side surface of the second inclined surface (472).
7. The wheel device according to claim 1, wherein: the first orientation mechanism further comprises an unlocking piece (33) which can drive the first orientation shaft (31) to move and is connected with the wheel seat (1), when the wheel device is in the first orientation state or the universal state, the unlocking piece (33) is matched with the first orientation shaft (31), and when the wheel device is in the second orientation state, the unlocking piece (33) is separated from the first orientation shaft (31).
8. The wheel device according to claim 1, wherein: the wheel assembly (2) comprises a rotating shaft (21) inserted into the wheel seat (1), the second directional shaft (42) is inserted into the rotating shaft (21) and one end of the second directional shaft extends outwards from the rotating shaft (21) to protrude, and the axis of the rotating shaft (21) extends along the up-down direction of the wheel device.
9. The wheel device according to claim 1, wherein: the first steering mechanism further comprises a first elastic piece (34), one end part of the first elastic piece (34) is propped against the wheel seat (1), and the other end part of the first elastic piece is propped against the first steering shaft (31); the second orientation mechanism further comprises a second elastic piece (44), one end part of the second elastic piece (44) is propped against the wheel seat (1), and the other end part of the second elastic piece is propped against the driving assembly.
10. A stroller comprising a frame, a wheel assembly according to any one of claims 2-6 fixedly connected to said frame, said traction lock being adapted to simultaneously drive said stroller to fold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810316352.6A CN108482469B (en) | 2018-04-10 | 2018-04-10 | Child cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810316352.6A CN108482469B (en) | 2018-04-10 | 2018-04-10 | Child cart |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108482469A CN108482469A (en) | 2018-09-04 |
| CN108482469B true CN108482469B (en) | 2023-05-23 |
Family
ID=63315438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810316352.6A Active CN108482469B (en) | 2018-04-10 | 2018-04-10 | Child cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108482469B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001105805A (en) * | 1999-10-12 | 2001-04-17 | Takano Co Ltd | Caster |
| JP2002326504A (en) * | 2001-05-07 | 2002-11-12 | Car Mate Mfg Co Ltd | Caster structure of hand truck, and hand truck |
| CN202557591U (en) * | 2012-03-31 | 2012-11-28 | 好孩子儿童用品有限公司 | Stroller |
| CN203111278U (en) * | 2012-12-28 | 2013-08-07 | 好孩子儿童用品有限公司 | Reversing child cart |
| CN205022647U (en) * | 2015-08-27 | 2016-02-10 | 好孩子儿童用品有限公司 | Child stroller |
| US9592846B1 (en) * | 2015-10-05 | 2017-03-14 | Helen Of Troy Limited | Stroller with wheel swivel mechanism |
| CN208484720U (en) * | 2018-04-10 | 2019-02-12 | 好孩子儿童用品有限公司 | A kind of wheel assembly and children trolley of children trolley |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6557870B2 (en) * | 2001-06-20 | 2003-05-06 | Pao-Hsien Cheng | Means for limiting direction of a stroller front wheel |
| FR2853294B1 (en) * | 2003-04-07 | 2006-04-28 | Ampafrance | CHILDREN'S CAR WITH DIRECTIONAL WHEELS SOLIDARIZED IN PIVOTE BY SEMI-RIGID MEANS |
| US20060103114A1 (en) * | 2004-11-12 | 2006-05-18 | Link Treasure Limited | Structure for swiveling and anchoring the front wheel of a tricycle |
-
2018
- 2018-04-10 CN CN201810316352.6A patent/CN108482469B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001105805A (en) * | 1999-10-12 | 2001-04-17 | Takano Co Ltd | Caster |
| JP2002326504A (en) * | 2001-05-07 | 2002-11-12 | Car Mate Mfg Co Ltd | Caster structure of hand truck, and hand truck |
| CN202557591U (en) * | 2012-03-31 | 2012-11-28 | 好孩子儿童用品有限公司 | Stroller |
| CN203111278U (en) * | 2012-12-28 | 2013-08-07 | 好孩子儿童用品有限公司 | Reversing child cart |
| CN205022647U (en) * | 2015-08-27 | 2016-02-10 | 好孩子儿童用品有限公司 | Child stroller |
| US9592846B1 (en) * | 2015-10-05 | 2017-03-14 | Helen Of Troy Limited | Stroller with wheel swivel mechanism |
| CN208484720U (en) * | 2018-04-10 | 2019-02-12 | 好孩子儿童用品有限公司 | A kind of wheel assembly and children trolley of children trolley |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108482469A (en) | 2018-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1900599B1 (en) | Foldable baby stroller frame | |
| US7766366B2 (en) | Foldable baby stroller frame | |
| US8657311B2 (en) | Stroller frame with a swivel seat and a limiting mechanism | |
| TWI796212B (en) | Child carrier | |
| CN108482469B (en) | Child cart | |
| CN216861571U (en) | Children's barrow | |
| CN211107638U (en) | Folding joint and baby carriage with same | |
| CN210027757U (en) | Folding tricycle | |
| CN113044097A (en) | Baby carriage | |
| CN208484720U (en) | A kind of wheel assembly and children trolley of children trolley | |
| CN112078651A (en) | Wheel rotation orientation mechanism and baby carriage | |
| CN216424527U (en) | Children's barrow | |
| CN114932940B (en) | Child cart | |
| CN212243508U (en) | Children's barrow | |
| CN221251402U (en) | Sitting root and stem locking mechanism and child cart | |
| CN219056348U (en) | Child cart | |
| CN218489729U (en) | Baby carriage capable of enabling seat to rotate in lying state | |
| CN215851417U (en) | Frame of baby carriage | |
| CN214396912U (en) | Baby carriage frame | |
| CN213083283U (en) | Convenient folding seat for child trolley | |
| CN212290000U (en) | Bassinet frame and bassinet | |
| CN112061219B (en) | Support frame and infant handcart using same | |
| CN109733457B (en) | Push rod assembly of folding child stroller and folding child stroller | |
| CN214985603U (en) | Reversible seat and child bicycle frame using same | |
| CN212890544U (en) | Support frame and infant handcart using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |