CN115485150A - Anti-shaking device for wheel of child carrier - Google Patents

Abstract

The invention discloses an anti-shaking device (200A, 200B,200C,200D,200E,200F,200G, 200H) for a wheel (102A, 102B,102C,102D, 102F,102G, 102H) of a child carrier (100A, 100B,100C,100D,100E,100F,100G, 100H), it includes a frame (210A, 210B,210C,210D,210E,210F,210G, 210H), a wheel seat (220A, 220B,220C,220D, 220F,220G, 220H) (100A, 100B,100C,100D,100E,100F,100G, 100H), a rotating shaft member (230A, 230B,230C,230D,230E,230F,230G, 230H) and a position-limiting mechanism (240A, 240B,240C,240D,240E,240F,240G, 240H), the frame (210A, 210B, 101C, 210D,210E, 101F, 210G, 210H) connected with the child carrier (100A, 100B,100C,100D,100E,100F, 210G, 210H), the wheel seat (220A, 220B,220C,220D,220E,220F,220G, 220H) is connected with the wheel (102A, 102B, 102D,102E,102F,102G, 102H) of the child carrier (100A, 100B,100C,100D,100E,100F,100G, 100H), the rotating shaft member (230A, 230B,230C,230D,230E,230F,230G, 230H) is fixedly connected with one of the connection seats (210A, 210B,210C,210D,210E,210F,210G, 210H) and the wheel seat (220A, 220B,220C,220D,220E,220F,220G, 220H) and is rotatably connected with the other one of the connection seats (210A, 210B,210C,210D,210E, 210G, 210H), the limiting mechanism (240A, 240B,240C,240D,240E,240F,240G, 240H) is used for limiting the shaking of the wheel seat (220A, 220B,220C,220D,220E,220F,220G, 220H) relative to the connecting seat (210A, 210B,210C,210D,210E,210F,210G, 210H).

Description

Anti-shaking device for wheel of child carrier

Technical Field

The present invention relates to an anti-sway device for a wheel of a child carrier according to the preamble of claim 1.

Background

Child carriers (such as stroller) have been widely used to reduce the burden of carrying children when caregivers go out, and the child carriers are moved mainly by wheels, but the current child carriers often jolt and roll due to the shaking of the wheels when they pass through the rugged road, thereby affecting the safety and comfort of the children.

Disclosure of Invention

It is noted that one of the objects of the present invention is to provide an anti-sway device for a wheel of a child carrier.

The invention is achieved by an anti-shaking device for a wheel of a child carrier as claimed in claim 1. The dependent claims relate to corresponding further developments and improvements.

As will be more clearly seen from the following embodiments, the anti-sway device claimed in the present invention is a wheel for a child carrier, and the anti-sway device includes a connection seat, a wheel seat, a rotation shaft member, and a limiting mechanism, wherein the connection seat is connected to a frame of the child carrier, the wheel seat is connected to the wheel of the child carrier, the rotation shaft member is fixedly connected to one of the connection seat and the wheel seat and rotatably connected to the other of the connection seat and the wheel seat, and the limiting mechanism is used for limiting sway of the wheel seat relative to the connection seat.

According to an embodiment of the present invention, the limiting mechanism includes a damping member, the damping member is fixedly connected to the other one of the connecting seat and the wheel seat, a through hole is formed on the damping member, and the rotating shaft member is inserted through the through hole and tightly fitted with the damping member.

According to an embodiment of the present invention, the rotating shaft member has a groove formed thereon, and the damping member includes a protrusion, wherein the protrusion is tightly fitted with the groove.

According to one embodiment of the present invention, the groove is a trapezoidal groove, and the protrusion is a trapezoidal protrusion.

According to an embodiment of the present invention, the limiting mechanism further includes at least one fixing member, and the at least one fixing member is used for fixedly connecting the damping member to the other one of the connecting seat and the wheel seat.

According to an embodiment of the present invention, the limiting mechanism further includes a bearing, the bearing is disposed on the other one of the connecting seat and the wheel seat, and the rotating shaft is rotatably connected to the other one of the connecting seat and the wheel seat through the bearing.

According to one embodiment of the present invention, the limiting mechanism includes a pushing member, and the pushing member pushes against the rotating shaft member along an axial direction of the rotating shaft member.

According to an embodiment of the present invention, the pushing member is movably disposed on the other one of the connecting seat and the wheel seat, the limiting mechanism further includes an elastic member, and the elastic member is connected to the pushing member to drive the pushing member to push the rotating shaft member.

According to an embodiment of the present invention, the limiting mechanism further includes a locking member, the locking member is formed with a long hole, the rotating shaft member is inserted into the long hole, and the locking member is capable of moving along a lateral direction of the rotating shaft member relative to the rotating shaft member through cooperation between the long hole and the rotating shaft member, so as to push the rotating shaft member along the lateral direction of the rotating shaft member.

According to an embodiment of the present invention, a groove is formed on the rotating shaft, the engaging member includes a protrusion, and when the engaging member pushes against the rotating shaft along the lateral direction of the rotating shaft, the protrusion engages with the groove along the lateral direction of the rotating shaft.

According to one embodiment of the present invention, the engaging member is movably disposed on the other of the connecting base and the wheel base, the limiting mechanism further includes a reset member, and the reset member is disposed between the other of the connecting base and the wheel base and the engaging member to drive the engaging member to push the rotating shaft member along the lateral direction of the rotating shaft member.

According to an embodiment of the present invention, the limiting mechanism further includes at least one positioning post, the at least one positioning post is fixedly disposed on the other one of the connecting seat and the wheel seat and/or the pushing member, and the elastic member is sleeved on the at least one positioning post.

According to an embodiment of the present invention, the pushing member includes two positioning protrusions fixedly disposed on the one of the connecting seat and the wheel seat, and an end of the rotating shaft member is clamped between the two positioning protrusions.

According to an embodiment of the present invention, the limiting mechanism further includes a plurality of rotating members, and the plurality of rotating members are rotationally engaged with each other.

According to an embodiment of the present invention, the plurality of rotating members include a first gear and a second gear, the first gear is fixedly disposed on the other one of the connecting seat and the wheel seat and sleeved on the rotating shaft member, and the second gear is rotatably disposed on the one of the connecting seat and the wheel seat.

According to one embodiment of the present invention, the limiting mechanism further includes a fixing portion, and the fixing portion is fixedly disposed on the other of the connecting seat and the wheel seat and sleeved on the rotating shaft member.

According to an embodiment of the present invention, the first gear is integrally formed with the fixing portion.

According to one embodiment of the invention, the root circle diameter of the first gear is larger than the root circle diameter of the second gear.

According to one embodiment of the present invention, the limiting mechanism includes a damping block, and the damping block is disposed at one side of the rotating shaft and can move along a lateral direction of the rotating shaft relative to the rotating shaft, so as to push against the rotating shaft along the lateral direction of the rotating shaft.

According to an embodiment of the present invention, a groove is formed on the rotating shaft, the damping block includes a protrusion, and when the damping block pushes against the rotating shaft along the lateral direction of the rotating shaft, the protrusion engages with the groove along the lateral direction of the rotating shaft.

According to one embodiment of the present invention, the damping block is movably disposed on the other of the connecting seat and the wheel seat, the limiting mechanism further includes a reset element, and the reset element is disposed between the other of the connecting seat and the wheel seat and the damping block to drive the damping block to push the rotating shaft along the lateral direction of the rotating shaft.

According to an embodiment of the present invention, the limiting mechanism further includes at least one positioning post, the at least one positioning post is fixedly disposed on the other one of the connecting seat and the wheel seat and/or the damping block, and the restoring member is sleeved on the at least one positioning post.

According to an embodiment of the present invention, the limiting mechanism further includes a mounting member, the mounting member is fixedly disposed on the other one of the connecting seat and the wheel seat, and the rotating shaft member is rotatably connected to the other one of the connecting seat and the wheel seat through the mounting member.

According to one embodiment of the present invention, the anti-sway device further comprises a buffer member, and the buffer member is disposed parallel to the rotating shaft member and is installed between the wheel and the wheel seat.

According to an embodiment of the present invention, the limiting mechanism includes a rotating sleeve and a damping piece, the rotating sleeve is fixedly disposed on the other one of the connecting seat and the wheel seat, the rotating shaft passes through the rotating sleeve and can rotate relative to the rotating sleeve, and the damping piece is disposed on the rotating shaft and pushes against the rotating sleeve along an axial direction of the rotating shaft.

According to one embodiment of the present invention, the limiting mechanism includes a damping plate, and the damping plate is disposed on the rotating shaft and pushes against the rotating sleeve along an axial direction of the rotating shaft.

According to an embodiment of the present invention, the limiting mechanism further includes a rotating sleeve, the rotating sleeve is fixedly disposed on the other one of the connecting seat and the wheel seat, the rotating shaft includes a limiting portion and an extending portion, the rotating sleeve includes a through hole for the extending portion to be inserted into, the limiting portion is used to limit a distance that the extending portion is inserted into the through hole, the damping plate is located between the limiting portion and the rotating sleeve, and the extending portion passes through the through hole and is connected to the connecting seat.

According to an embodiment of the present invention, the limiting mechanism includes a sleeve, and the sleeve is fixedly disposed on the other of the connecting seat and the wheel seat and sleeved on the rotating shaft.

According to one embodiment of the present invention, at least one notch is formed on a wall surface of the socket, and an inner diameter of the socket is smaller than an outer diameter of the rotating shaft.

According to one embodiment of the present invention, the limiting mechanism includes a shaft sleeve and an elastic member, the shaft sleeve is movably disposed on the other of the connecting seat and the wheel seat and is sleeved on the rotating shaft member, and the elastic member is disposed between the other of the connecting seat and the wheel seat and the shaft sleeve to drive the shaft sleeve to push the rotating shaft member along a lateral direction of the rotating shaft member.

According to an embodiment of the present invention, the limiting mechanism further includes a bearing, and the bearing is fixedly disposed on the other one of the connecting seat and the wheel seat.

According to an embodiment of the present invention, the limiting mechanism further includes an abutting member, and the abutting member is disposed between the connecting seat and the wheel seat.

According to one embodiment of the present invention, the limiting mechanism includes a fixing seat, the fixing seat is fixedly connected to one of the connecting seat and the wheel seat and sleeved on the rotating shaft, a receiving hole is formed in the other of the connecting seat and the wheel seat, and the fixing seat is tightly fitted with the receiving hole.

According to one embodiment of the present invention, the fixing base includes a fixing body and at least one elastic abutting portion, and when the fixing base is tightly fitted with the accommodating hole, the at least one elastic abutting portion abuts against a hole wall of the accommodating hole and is elastically deformed.

In conclusion, the limiting mechanism of the anti-shaking device can limit the shaking of the wheel seat connected with the wheel relative to the connecting seat connected with the frame, so that the anti-shaking device can effectively avoid the jolting and shaking of the child carrier when the child carrier passes through an uneven road surface, thereby improving the riding safety and the comfort of the child carrier.

These and other objects of the present invention will be understood and appreciated by those skilled in the art upon reading the following detailed description of the preferred embodiments and appended drawings.

Drawings

The invention is further illustrated by way of example in the accompanying drawings in which

Fig. 1 is an external view of a child carrier according to a first embodiment of the invention.

Fig. 2 is a partial structural view of a child carrier according to a first embodiment of the invention.

Fig. 3 is an exploded view of the anti-sway device according to the first embodiment of the present invention.

Fig. 4 is a schematic cross-sectional view of an anti-shaking device according to a first embodiment of the present invention.

Fig. 5 is a schematic view of a damping member according to a first embodiment of the present invention.

Fig. 6 is an external view of a child carrier according to a second embodiment of the present invention.

Fig. 7 is a partial structural view of a child carrier according to a second embodiment of the present invention.

Fig. 8 is a schematic cross-sectional view of an anti-sway device according to a second embodiment of the present invention.

Fig. 9 is a partial structural view of a child carrier according to a third embodiment of the present invention.

FIG. 10 is a cross-sectional view of a child carrier according to a third embodiment of the present invention.

Fig. 11 to 14 are different structural diagrams of a child carrier according to a third embodiment of the present invention.

Fig. 15 is a cross-sectional view of another part of a child carrier according to a third embodiment of the present invention.

FIG. 16 is a diagram of a fixing portion according to a third embodiment of the present invention.

FIG. 17 is a schematic view of a wheel base body according to a third embodiment of the present invention.

Fig. 18 is a partial structural view of a child carrier according to a fourth embodiment of the invention.

Fig. 19 is an enlarged view of a portion of a child carrier according to a fourth embodiment of the present invention.

FIG. 20 is a sectional view of a portion of an anti-sway device according to a fourth embodiment of the present invention.

Fig. 21 is an exploded view of the anti-wobble device of the fourth embodiment of the present invention.

Fig. 22 is a schematic view of a damping mass according to a fourth embodiment of the present invention.

Fig. 23 is a partial structural view of a child carrier according to a fifth embodiment of the invention.

Fig. 24 is an enlarged view of a portion a of the child carrier shown in fig. 23 according to a fifth embodiment of the present invention.

Fig. 25 is an exploded view of the anti-wobble device of the fifth embodiment of the present invention.

Fig. 26 is a sectional view of a child carrier according to a fifth embodiment of the present invention.

Fig. 27 is an enlarged view of part B of the child carrier shown in fig. 26 according to the fifth embodiment of the present invention.

Fig. 28 is a partial structural view of a child carrier according to a sixth embodiment of the invention.

Fig. 29 is an enlarged view of part C of a child carrier according to a sixth embodiment of the invention.

Fig. 30 is a schematic view of a socket according to a sixth embodiment of the present invention.

Fig. 31 is a partial schematic view of a child carrier according to a seventh embodiment of the invention.

Fig. 32 is an enlarged view of a child carrier according to a seventh embodiment of the present invention.

Fig. 33 is an enlarged view of another part of a child carrier according to a seventh embodiment of the present invention.

Fig. 34 is an exploded view of a portion of the structural members of a child carrier according to a seventh embodiment of the present invention.

Fig. 35 is a sectional view of a child carrier according to a seventh embodiment of the present invention.

Fig. 36 is an external view of a child carrier according to an eighth embodiment of the invention.

Fig. 37 is a partial schematic view of a child carrier according to an eighth embodiment of the invention.

Fig. 38 is an exploded view of a portion of the structural members of a child carrier according to an eighth embodiment of the present invention.

Fig. 39 is a partial internal view of a child carrier according to an eighth embodiment of the present invention.

Fig. 40 is a schematic view of another part of the internal structure of a child carrier according to an eighth embodiment of the present invention.

Detailed Description

Directional terms as referred to in the following examples, for example: up, down, left, right, front or rear, etc., are simply directions with reference to the drawings. Accordingly, the directional terminology is used for purposes of illustration and is in no way limiting. In addition, the term "connected" is intended to encompass any direct and indirect structural connection. Thus, if a first device couples to a second device, that connection may be through a direct structural connection, or through an indirect structural connection via other devices and connections.

Referring to fig. 1 to 5, fig. 1 is an external view of a child carrier 100A according to a first embodiment of the present invention, fig. 2 is a partial structural schematic view of the child carrier 100A according to the first embodiment of the present invention, fig. 3 is an exploded view of an anti-sway device 200A according to the first embodiment of the present invention, fig. 4 is a cross-sectional schematic view of the anti-sway device 200A according to the first embodiment of the present invention, and fig. 5 is a schematic view of a damping member 241A according to the first embodiment of the present invention. As shown in fig. 1-5, the child carrier 100A may be a stroller, but the invention is not limited thereto, and in another embodiment, the child carrier may be a child play yard, a child basket, or a child bed, for example. The child carrier 100A includes a frame 101A, four wheels 102A, and two anti-sway devices 200A, wherein the front leg of the frame 101A is connected to the two wheels 102A, the rear leg of the frame 101A is connected to the other two wheels 102A, and each anti-sway device 200A is disposed between the front leg of the frame 101A and the corresponding wheel 102A. For example, in another embodiment, the number of the anti-shaking devices may be only one and disposed between the rear foot of the frame and the corresponding wheel.

As shown in fig. 2 to 4, each anti-shaking device 200A includes a connection seat 210A, a wheel seat 220A, a rotation shaft 230A, and a limiting mechanism 240A, the connection seat 210A is connected to the frame 101A, the wheel seat 220A is connected to the corresponding wheel 102A, the wheel seat 220A is rotatably connected to the connection seat 210A through the rotation shaft 230A, and the limiting mechanism 240A is used for limiting shaking of the wheel seat 220A relative to the connection seat 210A.

Specifically, the lower end of the rotating shaft 230A is fixedly connected to the wheel seat 220A, the upper end of the rotating shaft 230A is rotatably connected to the connecting seat 210A, the limiting mechanism 240A includes a damping member 241A and a bearing 242A, the bearing 242A is disposed on the connecting seat 210A, so that the rotating shaft 230A can be rotatably connected to the connecting seat 210A through the bearing 242A, an installation hole 211A is formed in the connecting seat 210A, the damping member 241A is fixed in the installation hole 211A, a through hole 2411A is formed on the damping member 241A, the rotating shaft 230A is inserted in the through hole 2411A and tightly fitted with the damping member 241A, the damping member 241A can limit the movement of the rotating shaft 230A, so as to limit the wheel seat 220A from shaking relative to the connecting seat 210A.

More specifically, a groove 231A is formed on the rotating shaft element 230A, the damping element 241A includes a protrusion 2412A, the groove 231A is located on the outer wall of the rotating shaft element 230A, the protrusion 2412A is located on the inner wall of the through hole 2411A of the damping element 241A, when the rotating shaft element 230A is inserted into the through hole 2411A, the protrusion 2412A can be tightly fitted into the groove 231A to limit the rotation of the rotating shaft element 230A in the horizontal direction and the vibration in the vertical direction, so as to limit the shaking of the wheel base 220A relative to the connecting base 210A in the horizontal direction and the vertical direction.

In addition, in this embodiment, the groove 231A can be a trapezoidal groove, and the protrusion 2412A can be a trapezoidal protrusion, and the above structure can make the close fit between the protrusion 2412A and the groove 231A more effectively limit the movement of the rotating shaft member 230A in the horizontal direction and the vertical direction.

Furthermore, the position-limiting mechanism 240A further includes two fixing members 243A, and the two fixing members 243A are used for fixedly connecting the damping member 241A to the connecting seat 210A. In this embodiment, the fixing member 243A may be a locking screw.

Specifically, as shown in fig. 4 and 5, the damping member 241A includes a main body 2413A and a neck portion 2414A disposed at one end of the main body 2413A, two shoulders 2415A are formed on an outer side of the neck portion 2414A in a protruding manner, a connecting portion 2416A having a concave structure is formed between each shoulder 2415A and the main body 2413A, and two fixing members 243A penetrate through the connecting seat 210A and are respectively inserted into the two connecting portions 2416A to fixedly connect the damping member 241A to the connecting seat 210A, so as to prevent the damping member 241A from being driven by the rotating shaft member 230A to be displaced, thereby ensuring structural stability.

However, the present invention is not limited to this embodiment, the number of the fixing elements, the shoulder and the connecting portion may be determined according to the actual design requirement, for example, in another embodiment, the limiting mechanism may only include one fixing element, and the damping element may only be formed with one shoulder and one connecting portion.

In this embodiment, the anti-sway device 200A utilizes the tight fit between the protrusion 2412A protruding from the damping member 241A and the groove 231A formed in the rotation shaft member 230A to limit the movement of the rotation shaft member 230A in the horizontal direction and the vertical direction, so as to limit the sway of the wheel seat 220A relative to the connection seat 210A in the horizontal direction and the vertical direction, so that the child carrier 100A is less prone to jolt and sway when traveling on an uneven road surface, and has better riding safety and comfort.

Referring to fig. 6 to 8, fig. 6 is an external view of a child carrier 100B according to a second embodiment of the present invention, fig. 7 is a partial structure of the child carrier 100B according to the second embodiment of the present invention, and fig. 8 is a cross-sectional view of an anti-sway device 200B according to the second embodiment of the present invention. As shown in fig. 6 to 8, the child carrier 100B includes a frame 101B, four wheels 102B, and two anti-shaking devices 200B, a front leg of the frame 101B is connected to the two wheels 102B, a rear leg of the frame 101B is connected to the other two wheels 102B, each anti-shaking device 200B is disposed between the front leg of the frame 101B and the corresponding wheel 102B, each anti-shaking device 200B includes a connecting seat 210B, a wheel seat 220B, a rotating shaft 230B, and a limiting mechanism 240B, the connecting seat 210B is connected to the frame 101B, the wheel seat 220B is connected to the corresponding wheel 102B, a lower end of the rotating shaft 230B is rotatably connected to the wheel seat 220B, an upper end of the rotating shaft 230B is fixedly connected to the connecting seat 210B, a positioning hole 221B is formed in the wheel seat 220B, the limiting mechanism 240B includes an elastic element 241B and a pushing element 242B, the pushing element 242B is movably disposed in the positioning hole 221B and adjacent to the lower end of the rotating shaft 230B, the elastic element 241B is connected to the pushing element 242B, the pushing element 241B, the elastic element 241B is capable of providing a pushing force in an axial direction of the rotating shaft 230B to the rotating shaft 230B, and further limiting the elastic element 230B to the rotating shaft 230B to limit the axial direction of the rotating shaft 230B, and the rotating shaft 230B, so as to limit the rotating shaft 230B, and the axial direction of the rotating shaft 230B, and to limit the rotating shaft 230B.

In addition, in this embodiment, the elastic element 241B may be a compression spring, one side of the pushing element 242B adjacent to the rotating shaft element 230B may be a planar structure, one side of the pushing element 242B adjacent to the elastic element 241B may be a sleeve structure to sleeve the upper end of the elastic element 241B, so that the upper end of the elastic element 241B can be stably positioned, the limiting mechanism 240B may further include a positioning pillar 243B fixedly disposed on the wheel base 220B, and the lower end of the elastic element 241B is sleeved on the positioning pillar 243B, so that the lower end of the elastic element 241B can be stably positioned, and the above-mentioned structural arrangement may prevent the elastic element 241B from deviating, thereby ensuring structural stability.

However, the present invention is not limited to this embodiment, and any structure of the positioning elastic member is within the scope of the present invention. For example, in another embodiment, the arrangement positions of the sleeve structure and the positioning post can be interchanged, that is, the sleeve structure can be formed on the wheel seat, and the positioning post can be formed on one side of the pushing member adjacent to the elastic member. Alternatively, in another embodiment, the limiting mechanism may include two positioning posts or two sleeve structures respectively disposed on the wheel seat and the pushing member. Alternatively, in another embodiment, the positioning post and sleeve structure can be omitted.

Furthermore, as shown in fig. 8, the limiting mechanism 240B further includes an engaging member 244B, the engaging member 244B is formed with a long hole 2441B, the rotating shaft member 230B is disposed through the long hole 2441B, and the engaging member 244B can move along the lateral direction of the rotating shaft member 230B relative to the rotating shaft member 230B through the matching of the long hole 2441B and the rotating shaft member 230B, so as to push the rotating shaft member 230B along the lateral direction of the rotating shaft member 230B, thereby limiting the rotation of the rotating shaft member 230B in the horizontal direction, and further limiting the shake of the wheel seat 220B relative to the connecting seat 210B in the horizontal direction.

In this embodiment, the groove 231B is formed on the rotating shaft member 230B, the engaging member 244B includes a protrusion 2442B, when the engaging member 244B pushes the rotating shaft member 230B along the lateral direction of the rotating shaft member 230B, the protrusion 2442B engages with the groove 231B along the lateral direction of the rotating shaft member 230B, the above-mentioned structure not only can limit the rotation of the rotating shaft member 230B in the horizontal direction, but also can realize the quick detachment of the wheel seat 220B from the connecting seat 210B, that is, the user can operate the engaging member 244B to disengage the protrusion 2442B from the groove 231B, so as to allow the wheel seat 220B and the connecting seat 210B to be separated from each other.

In addition, the limiting mechanism 240B further includes a resetting element 245B, the resetting element 245B is disposed between the wheel seat 220B and the engaging element 244B to drive the engaging element 244B to push the rotating shaft element 230B along the lateral direction of the rotating shaft element 230B, and the resetting element 245B can make the engaging element 244B have potential energy to push the rotating shaft element 230B along the lateral direction.

In this embodiment, the anti-sway device 200B utilizes the pushing element 242B and the engaging element 244B to limit the vertical vibration and the horizontal rotation of the rotating shaft element 230B, so as to limit the sway of the wheel base 220B relative to the connecting base 210B, and therefore the child carrier 100B is less prone to jolt and sway when traveling on an uneven road surface, and has better riding safety and comfort.

Referring to fig. 9 to 17, fig. 9 is a partial structure diagram of a child carrier 100C according to a third embodiment of the present invention, fig. 10 is a partial structure sectional diagram of the child carrier 100C according to the third embodiment of the present invention, fig. 11 to 14 are enlarged partial structures of the child carrier 100C according to the third embodiment of the present invention, fig. 15 is another partial structure sectional diagram of the child carrier 100C according to the third embodiment of the present invention, fig. 16 is a diagram of a fixing portion 244C according to the third embodiment of the present invention, and fig. 17 is a diagram of a wheel seat body 221C according to the third embodiment of the present invention. As shown in fig. 9 to 17, the child carrier 100C includes a frame 101C, at least one wheel 102C, and at least one anti-shaking device 200C, the anti-shaking device 200C is disposed between the frame 101C and the corresponding wheel 102C, the anti-shaking device 200C includes a connection seat 210C, a wheel seat 220C, a rotation shaft 230C, and a limiting mechanism 240C, the connection seat 210C is connected to the frame 101C, the wheel seat 220C is connected to the corresponding wheel 102C, a lower end of the rotation shaft 230C is rotatably connected to the wheel seat 220C, and an upper end of the rotation shaft 230C is fixedly connected to the connection seat 210C.

As shown in fig. 9, 13, 14 and 17, a long hole 2201C is formed at a lower end portion of the wheel seat 220C, the long hole 2201C is disposed in an inclined manner, a wheel shaft 1021C of the wheel 102C is disposed through the long hole 2201C and can slide in the long hole 2201C, when the wheel 102C is subjected to a vertical external force, the wheel 102C can move relative to the wheel seat 220C through cooperation between the wheel shaft 1021C and the long hole 2201C, so as to prevent the wheel 102C from driving the wheel seat 220C to shake in a vertical direction relative to the connection seat 210C.

As shown in fig. 9, 10, 13, 14 and 17, the wheel seat 220C includes a wheel seat body 221C and a positioning seat 222C, an accommodating groove for accommodating the positioning seat 222C is formed at an upper end portion of the wheel seat body 221C, and the positioning seat 222C is detachably connected to the wheel seat body 221C. The rotating shaft 230C is fixedly disposed through the positioning seat 222C, the limiting mechanism 240C includes a pushing member 241C, the pushing member 241C includes two positioning protrusions 2411C fixedly disposed on the wheel seat body 221C, a lower end of the rotating shaft 230C protrudes out of the positioning seat 222C and is clamped between the two positioning protrusions 2411C, the two positioning protrusions 2411C can push the rotating shaft 230C along an axial direction of the rotating shaft 230C, so as to limit the vibration of the rotating shaft 230C in a vertical direction, and further limit the shaking of the wheel seat 220C in the vertical direction relative to the connecting seat 210C.

In this embodiment, the two positioning protrusions 2411C and the wheel seat body 221C may be integrally formed, each positioning protrusion 2411C may have a guiding surface 2412C, a hemispherical fitting head 231C is formed at the lower end of the rotating shaft member 230C, and the fitting head 231C may be guided by the two guiding surfaces 2412C and inserted between the two positioning protrusions 2411C in a tight fit manner, thereby ensuring structural stability.

In addition, as shown in fig. 11 to 16, the limiting mechanism 240C further includes a first gear 2431C and a second gear 2432C, the first gear 2431C is sleeved on the rotating shaft 230C, the second gear 2432C is rotatably disposed on the positioning seat 222C and is rotatably matched with the first gear 2431C, when the wheel 102C receives a horizontal external force, the rotation of the rotating shaft 230C in the horizontal direction can be limited by the rotation of the first gear 2431C and the second gear 2432C, so as to limit the shaking of the wheel seat 220C relative to the connecting seat 210C in the horizontal direction.

In this embodiment, the diameter of the root circle of the first gear 2431C may be larger than that of the second gear 2432C to achieve a better restriction effect on the rotation of the rotating shaft 230C in the horizontal direction.

As shown in fig. 10, 11, 12, and 16, the limiting mechanism 240C further includes a fixing portion 244C, the fixing portion 244C is fixedly disposed on the connecting seat 210C and sleeved on the rotating shaft 230C, the first gear 2431C is disposed at a lower end of the fixing portion 244C, the fixing portion 244C can be integrally formed with the first gear 2431C, an accommodating cavity 245C for the rotating shaft 230C to be inserted is formed in the fixing portion 244C, an upper end of the fixing portion 244C is fixed on the connecting seat 210C, and the fixing portion 244C can be used to support an internal structure of the connecting seat 210C, so as to improve structural stability. In this embodiment, a flat mounting portion 2441C may be formed at an upper end of the fixing portion 244C, a first mounting hole 2442C is formed on the mounting portion 2441C, a flat portion 232C may be formed at an upper end of the rotating shaft 230C, and a second mounting hole 233C corresponding to the first mounting hole 2442C is formed on the flat portion 232C, so that the rotating shaft 230C and the fixing portion 244C may be fixed to the connecting base 210C by using a positioning pin penetrating through the first mounting hole 2442C and the second mounting hole 233C.

Understandably, in order to realize the rotational setting of the second gear 2432C, an insertion hole for inserting the gear shaft of the second gear 2432C may be formed on the positioning seat 222C. In addition, in another embodiment, the positioning seat may also be convexly provided with a pivot pin for the second gear to be sleeved on.

Besides, the invention is not limited to this embodiment, and besides the gear, the limiting mechanism can also utilize at least two rotating members to limit the rotation of the rotating shaft member in the horizontal direction. For example, in another embodiment, the limiting mechanism may include a cam sleeved on the rotating shaft and a plurality of rotating discs rotationally engaged with the cam, wherein when the wheel is subjected to a horizontal external force, the cam can shift the plurality of rotating discs, so that the rotation of the rotating shaft in the horizontal direction is limited.

As shown in fig. 11 and 14, the anti-shaking device 200C further includes a supporting seat 250C disposed between the connecting seat 210C and the positioning seat 222C, a protrusion 2221C is convexly formed on the positioning seat 222C, the supporting seat 250C is provided with a protection cover 251C, the second gear 2432C is located between the positioning seat 222C and the protection cover 251C, and a locking groove 2511C for the protrusion 2221C to be locked and an opening 2512C for the rotating shaft member 230C and the first gear 2431C to pass through are formed on the protection cover 251C.

In this embodiment, the anti-sway device 200C respectively utilizes the rotation cooperation of the pushing element 241C and the first gear 2431C and the second gear 2432C to limit the vertical vibration and the horizontal rotation of the rotating shaft element 230C, so as to limit the sway of the wheel seat 220C relative to the connecting seat 210C in the vertical direction and the horizontal direction, and in addition, the anti-sway device 200C also utilizes the cooperation of the wheel shaft 1021C and the long hole 2201C to prevent the wheel 102C from driving the wheel seat 220C to sway relative to the connecting seat 210C in the vertical direction, so that the child carrier 100C is less prone to sway and bump when traveling on an uneven road surface, and has better riding safety and comfort.

Referring to fig. 18 to 22, fig. 18 is a partial structural schematic view of a child carrier 100D according to a fourth embodiment of the present invention, fig. 19 is an enlarged partial structural schematic view of the child carrier 100D according to the fourth embodiment of the present invention, fig. 20 is a partial structural cross-sectional schematic view of an anti-sway device 200D according to the fourth embodiment of the present invention, fig. 21 is an exploded view of an element of the anti-sway device 200D according to the fourth embodiment of the present invention, and fig. 22 is a schematic view of a damping block 244D according to the fourth embodiment of the present invention. As shown in fig. 18 to 22, the child carrier 100D includes a frame 101D, at least one wheel 102D, and at least one anti-sway device 200D, the anti-sway device 200D is disposed between the frame 101D and the corresponding wheel 102D, the anti-sway device 200D includes a connection seat 210D, a wheel seat 220D, a rotation shaft 230D, and a limiting mechanism 240D, the connection seat 210D is connected to the frame 101D, the wheel seat 220D is connected to the corresponding wheel 102D, a lower end of the rotation shaft 230D is rotatably connected to the wheel seat 220D, an upper end of the rotation shaft 230D is fixedly connected to the connection seat 210D, and the limiting mechanism 240D is disposed between the rotation shaft 230D and the wheel seat 220D to limit sway of the wheel seat 220D relative to the connection seat 210D.

Specifically, as shown in fig. 20 to 22, the wheel base 220D includes a first receiving cavity 2201D for receiving the rotating shaft 230D and the limiting mechanism 240D and a through hole 2202D communicating with the first receiving cavity 2201D and through which the rotating shaft 230D passes, the rotating shaft 230D passes through the through hole 2202D and is disposed between the wheel base 220D and the connecting base 210D along the vertical direction, the limiting mechanism 240D includes a bearing 241D and a mounting member 242D, the bearing 241D is disposed in the first receiving cavity 2201D and below the through hole 2202D, the rotating shaft 230D passes through the bearing 241D to rotatably connect the rotating shaft 230D and the wheel base 220D, the mounting member 242D is adjacent to the lower end of the rotating shaft 230D and is configured to position the rotating shaft 230D in the first receiving cavity 2201D, and the mounting member 242D is fixed in the first receiving cavity 2201D by at least one fastening member 243D.

In addition, the limiting mechanism 240D further includes a damping block 244D and a resetting piece 245D, the damping block 244D is disposed in the first receiving cavity 2201D and located at a side of the lower end portion of the rotating shaft 230D, the damping block 244D can move along a lateral direction of the rotating shaft 230D relative to the rotating shaft 230D, so as to push the rotating shaft 230D along the lateral direction of the rotating shaft 230D, thereby limiting the rotation of the rotating shaft 230D in a horizontal direction, and further limiting the shake of the wheel seat 220D relative to the connecting seat 210D in the horizontal direction, the resetting piece 245D is disposed in the first receiving cavity 2201D and located between the wheel seat 220D and the damping block 244D, so as to drive the damping block 244D to push the rotating shaft 230D along the lateral direction of the rotating shaft 230D.

Specifically, the damping block 244D may be made of rubber or plastic material, the restoring member may be a spring, the limiting mechanism 240D may further include a positioning column 246D, the positioning column 246D is fixedly disposed on the damping block 244D, and the restoring member 245D is sleeved on the positioning column 246D. For example, in another embodiment, the positioning posts can be formed on the wheel base. Alternatively, in another embodiment, the limiting mechanism may include two positioning posts respectively fixed to the damping block and the wheel seat. Alternatively, in another embodiment, the positioning posts may be omitted.

In this embodiment, a groove 231D is formed on the rotating shaft element 230D, the damping block 244D includes a protrusion 2441D, and when the damping block 244D pushes the rotating shaft element 230D along the lateral direction of the rotating shaft element 230D, the protrusion 2441D is engaged with the groove 231D along the lateral direction of the rotating shaft element 230D. Specifically, the groove 231D may be an annular groove, the end surface of the damping piece 244D close to the rotating shaft member 230D may be an arc surface, and the protrusion 2441D may be disposed on the arc surface.

In addition, the anti-sway device 200D further comprises a buffer 250D, wherein the buffer 250D is disposed parallel to the rotating shaft element 230D and is installed between the wheel 102D and the wheel seat 220D. Specifically, the wheel seat 220D further includes a second receiving cavity 2203D and two slots 2204D communicated with the second receiving cavity 2203D and used for the wheel shaft of the wheel 102D to penetrate through, the anti-shaking device 200D further includes a supporting block 260D, a buffering member 250D and the supporting block 260D are disposed in the second receiving cavity 2203D, the supporting block 260D is located on the wheel shaft of the wheel 102D, the buffering member 250D is disposed between the supporting block 260D and the top wall of the second receiving cavity 2203D, so as to prevent the wheel 102D from driving the wheel seat 220D to move along the vertical direction, thereby limiting the shaking of the wheel seat 220D relative to the connecting seat 210D in the vertical direction. However, the present invention is not limited to this embodiment, for example, in another embodiment, a supporting portion for supporting one end of the buffer member and connecting the wheel axle of the wheel is extended from the lower portion of the second accommodating cavity.

In addition, the anti-sway device 200D further comprises a first connecting member 270D and a second connecting member 280D, wherein the first connecting member 270D is pivotally connected to the second connecting member 280D, and the second connecting member 280D is pivotally connected to the wheel base 220D through the wheel axle of the wheel 102D. Specifically, the second connector 280D has a receiving cavity 281D for receiving the outer circumference 2205D of the second receiving cavity 2203D of the wheel seat 220D.

In this embodiment, the anti-sway device 200D utilizes the damping block 244D to limit the rotation of the rotating shaft 230D in the horizontal direction, so as to limit the sway of the wheel seat 220D relative to the connecting seat 210D in the horizontal direction, and in addition, the anti-sway device 200D further utilizes the buffer 250D to prevent the wheel 102D from driving the wheel seat 220D to sway relative to the connecting seat 210D in the vertical direction, so that the child carrier 100D is less prone to sway and sway when traveling on an uneven road surface, and has better riding safety and comfort.

Referring to fig. 23 to 27, fig. 23 is a partial structural schematic view of a child carrier 100E according to a fifth embodiment of the present invention, fig. 24 is an enlarged view of a portion a of the child carrier 100E shown in fig. 23 according to the fifth embodiment of the present invention, fig. 25 is an exploded view of an anti-sway device 200E according to the fifth embodiment of the present invention, fig. 26 is a partial structural cross-sectional schematic view of the child carrier 100E according to the fifth embodiment of the present invention, and fig. 27 is an enlarged view of a portion B of the child carrier 100E shown in fig. 26 according to the fifth embodiment of the present invention. As shown in fig. 23 to 27, the child carrier 100E includes a frame 101E, at least one wheel 102E, and at least one anti-sway device 200E, the anti-sway device 200E is disposed between the frame 101E and the corresponding wheel 102E, the anti-sway device 200E includes a connection seat 210E, a wheel seat 220E, a rotation shaft 230E, and a limiting mechanism 240E, the connection seat 210E is connected to the frame 101E, the wheel seat 220E is connected to the corresponding wheel 102E, a lower end of the rotation shaft 230E is rotatably connected to the wheel seat 220E, an upper end of the rotation shaft 230E is fixedly connected to the connection seat 210E, and the limiting mechanism 240E is configured to limit sway of the wheel seat 220E relative to the connection seat 210E.

Specifically, as shown in fig. 25 and 27, the limiting mechanism 240E includes a rotating sleeve 241E and a damping piece 242E, the rotating sleeve 241E is fixedly disposed on the wheel seat 220E, the rotating shaft 230E penetrates through the rotating sleeve 241E and can rotate relative to the rotating sleeve 241E to realize the rotating connection between the rotating shaft 230E and the wheel seat 220E, and the damping piece 242E is disposed on the rotating shaft 230E and can push against the rotating sleeve 241E along the axial direction of the rotating shaft 230E to limit the vibration of the rotating shaft 230E in the vertical direction, so as to limit the shake of the wheel seat 220E relative to the connecting seat 210E in the vertical direction.

In this embodiment, the rotating shaft 230E includes a limiting portion 231E and an extending portion 232E, the rotating sleeve 241E includes a through hole for the extending portion 232E to be inserted into, the limiting portion 231E is used to limit the distance of the extending portion 232E inserted into the through hole, the damping sheet 242E is located between the limiting portion 231E and the rotating sleeve 241E, and the extending portion 232E passes through the through hole and is connected to the connecting base 210E. Furthermore, the rotating sleeve 241E further includes an abutting portion 2411E and a rotating portion 2412E, the wheel base 220E includes a mounting hole 221E for inserting the extending portion 232E and the rotating portion 2412E, the rotating portion 2412E is located between the extending portion 232E and the wheel base 220E, the abutting portion 2411E and the limiting portion 231E are exposed out of the mounting hole 221E, the damping piece 242E is located between the abutting portion 2411E and the limiting portion 231E, the abutting portion 2411E can abut against the wheel base 220E in the vertical direction, and the damping piece 242E can abut against the abutting portion 2411E in the vertical direction, so that the shake of the wheel base 220E relative to the connecting base 210E in the vertical direction can be effectively limited.

In this embodiment, the rotating shaft 230E may be a hollow tubular structure to achieve the purpose of light weight, and the rotating sleeve 241E may be made of plastic material to make the rotating sleeve 241E have a certain degree of elasticity and the abutting portion 2411E and the rotating portion 2412E are integrally formed.

In addition, as shown in fig. 25 and 26, the limiting mechanism 240E further includes a baffle 243E, the baffle 243E is located above the rotating sleeve 241E, the rotating shaft 230E penetrates through the baffle 243E, and the baffle 243E is located between the rotating sleeve 241E and the connecting seat 210E and between the wheel seat 220E and the connecting seat 210E, so as to limit the horizontal swinging of the wheel seat 220E relative to the connecting seat 210E.

In addition, the anti-sway device 200E further comprises a brake 250E and a shock absorbing portion 260E, the brake 250E can abut against the wheel 102E when operated to decelerate the wheel 102E, the shock absorbing portion 260E is located below the brake 250E and has elasticity, so as to prevent the wheel 102E from driving the wheel seat 220E to sway in the vertical direction relative to the connecting seat 210E. In this embodiment, the shock absorbing portion 260E may be made of plastic material, and at least one buffering portion 261E having an oval shape may be formed on the shock absorbing portion 260E to improve the shock absorbing effect of the shock absorbing portion 260E.

In this embodiment, the anti-sway device 200E utilizes the damping sheet 242E and the baffle 243E to respectively limit the sway of the wheel base 220E relative to the connecting base 210E in the vertical direction and the horizontal direction, and the anti-sway device 200E further utilizes the shock absorbing portion 260E to prevent the wheel 102E from driving the wheel base 220E to sway relative to the connecting base 210E in the vertical direction, so that the child carrier 100E is less prone to jolt and sway when traveling on an uneven road surface, and has better riding safety and comfort.

Referring to fig. 28 to 30, fig. 28 is a partial structural view of a child carrier 100F according to a sixth embodiment of the present invention, fig. 29 is an enlarged view of a part C of the child carrier 100F according to the sixth embodiment of the present invention, and fig. 30 is a schematic view of a sleeve 241F according to the sixth embodiment of the present invention. As shown in fig. 28 to 30, the child carrier 100F includes a frame, at least one wheel 102F, and at least one anti-shaking device 200F, the anti-shaking device 200F is disposed between the frame and the corresponding wheel 102F, the anti-shaking device 200F includes a connection seat 210F, a wheel seat 220F, a rotation shaft 230F, and a limiting mechanism 240F, the connection seat 210F is connected to the frame, the wheel seat 220F is connected to the corresponding wheel 102F, a lower end of the rotation shaft 230F is fixedly connected to the wheel seat 220F, an upper end of the rotation shaft 230F is rotatably connected to the connection seat 210F, and the limiting mechanism 240F is configured to limit shaking of the wheel seat 220F relative to the connection seat 210F.

Specifically, as shown in fig. 30, the limiting mechanism 240F includes a sleeve fitting 241F, the sleeve fitting 241F is fixedly disposed on the connecting seat 210F and sleeved on the rotating shaft 230F, at least one gap 2411F is formed on a wall surface of the sleeve fitting 241F, and an inner diameter of the sleeve fitting 241F is smaller than an outer diameter of the rotating shaft 230F, so that when the sleeve fitting 241F is sleeved on the rotating shaft 230F, the sleeve fitting 241F is expanded by the rotating shaft 230F to elastically clamp the rotating shaft 230F, so as to limit rotation of the rotating shaft 230F in the horizontal direction, thereby limiting the wheel seat 220F from swinging in the horizontal direction relative to the connecting seat 210F.

In addition, as shown in fig. 29, the anti-shaking device 200F further includes a buffer member 250F, the buffer member 250F is disposed between the wheel seat 220F and the connecting seat 210F, so as to prevent the connecting seat 210F from being driven by the wheel seat 220F to shake in the vertical direction.

In this embodiment, the anti-sway device 200F utilizes the socket 241F to limit the rotation of the rotating shaft 230F in the horizontal direction, so as to limit the swaying of the wheel seat 220F in the horizontal direction relative to the connecting seat 210F, and in addition, the anti-sway device 200F further utilizes the buffer 250F to prevent the connecting seat 210F from swaying in the vertical direction driven by the wheel seat 220F, so that the child carrier 100F is less prone to swaying when traveling on an uneven road surface, and has better riding safety and comfort.

Referring to fig. 31 to 35, fig. 31 is a partial structural schematic view of a child carrier 100G according to a seventh embodiment of the present invention, fig. 32 is an enlarged partial structural schematic view of the child carrier 100G according to the seventh embodiment of the present invention, fig. 33 is an enlarged partial structural schematic view of the child carrier 100G according to the seventh embodiment of the present invention, fig. 34 is an exploded view of a part of structural elements of the child carrier 100G according to the seventh embodiment of the present invention, and fig. 35 is a partial structural cross-sectional schematic view of the child carrier 100G according to the seventh embodiment of the present invention. As shown in fig. 31 to 35, the child carrier 100G includes a frame 101G, at least one wheel 102G, and at least one anti-sway device 200G, the anti-sway device 200G is disposed between the frame 101G and the corresponding wheel 102G, the anti-sway device 200G includes a connection seat 210G, a wheel seat 220G, a rotation shaft 230G, and a limiting mechanism 240G, the connection seat 210G is connected to the frame 101G, the wheel seat 220G is connected to the corresponding wheel 102G, a lower end of the rotation shaft 230G is fixedly connected to the wheel seat 220G, an upper end of the rotation shaft 230G is rotatably connected to the connection seat 210G, and the limiting mechanism 240G is configured to limit sway of the wheel seat 220G relative to the connection seat 210G.

Specifically, the limiting mechanism 240G includes two bearings 241G, the two bearings 241G are fixedly disposed on the connecting seat 210G, the rotating shaft 230G penetrates through the two bearings 241G, so as to realize the rotating connection between the rotating shaft 230G and the connecting seat 210G, the limiting mechanism 240G further includes a shaft sleeve 242G and an elastic member 243G, the shaft sleeve 242G is movably disposed on the connecting seat 210G and sleeved on the rotating shaft 230G, and the elastic member 243G is disposed between the connecting seat 210G and the shaft sleeve 242G, so as to drive the shaft sleeve 242G to push against the rotating shaft 230G along the lateral direction of the rotating shaft 230G, so as to limit the rotation of the rotating shaft 230G in the horizontal direction, thereby limiting the wheel seat 220G to swing in the horizontal direction relative to the connecting seat 210G. However, the present invention is not limited to this embodiment, and in another embodiment, the limiting mechanism may only include one bearing.

More specifically, as shown in fig. 34 and 35, the connecting base 210G includes a base 211G, an operating element 212G and a positioning element 213G, a shaft sleeve 242G, a bearing 241G and a rotating shaft element 230G are disposed in the base 211G, the shaft sleeve 242G is disposed between the two bearings 241G, the operating element 212G and the positioning element 213G are movably disposed on the base 211G and are linked with each other, the positioning element 213G passes through the base 211G to engage with the rotating shaft element 230G, the operating element 212G can drive the positioning element 213G to disengage from the rotating shaft element 230G, the shaft sleeve 242G is provided with a positioning post 2421G in a protruding manner, one end of the elastic element 243G is disposed on the positioning post 2421G, the operating element 212G is provided with another positioning post 2121G in a protruding manner, and the other end of the elastic element 243G is disposed on the positioning post 2121G in a protruding manner.

Furthermore, as shown in fig. 32 to 34, the limiting mechanism 240G further includes an abutting piece 244G, and the abutting piece 244G is disposed between the connecting seat 210G and the wheel seat 220G. Specifically, the abutting member 244G is disposed on the wheel seat 220G and protrudes from the plane 221G of the wheel seat 220G, and the abutting member 244G is used for abutting against the plane 214G of the connecting seat 210G close to the wheel seat 220G to prevent the plane 214G from directly contacting with the plane 221G, so that not only can the friction area between the plane 214G and the plane 221G be reduced, but also the noise generated when the wheel seat 220G moves relative to the connecting seat 210G can be reduced.

In this embodiment, the anti-sway device 200G utilizes the axle sleeve 242G to limit the rotation of the rotation shaft 230G in the horizontal direction, so as to limit the wheel seat 220G from swaying in the horizontal direction relative to the connection seat 210G, so that the child carrier 100G is less prone to jolting and swaying when traveling on an uneven road surface, and has better riding safety and comfort. In addition, the anti-shaking device 200G further uses the abutting member 244G to prevent the plane 214G from directly contacting the plane 221G, so as to reduce the friction area between the plane 214G and the plane 221G and reduce the noise generated when the wheel seat 220G moves relative to the connecting seat 210G.

Referring to fig. 36 to 40, fig. 36 is an external view of a child carrier 100H according to an eighth embodiment of the present invention, fig. 37 is a partial structure diagram of the child carrier 100H according to the eighth embodiment of the present invention, fig. 38 is an exploded view of a part of the structure elements of the child carrier 100H according to the eighth embodiment of the present invention, fig. 39 is a partial internal structure diagram of the child carrier 100H according to the eighth embodiment of the present invention, and fig. 40 is another partial internal structure diagram of the child carrier 100H according to the eighth embodiment of the present invention. As shown in fig. 36 to 40, the child carrier 100H includes a frame 101H, at least one wheel 102H, and at least one anti-shake device 200H, the anti-shake device 200H is disposed between the frame 101H and the corresponding wheel 102H, the anti-shake device 200H includes a connection seat 210H, a wheel seat 220H, a rotation shaft 230H, and a limiting mechanism 240H, the connection seat 210H is connected to the frame 101H, the wheel seat 220H is connected to the corresponding wheel 102H, a lower end of the rotation shaft 230H is fixedly connected to the wheel seat 220H, an upper end of the rotation shaft 230H is rotatably connected to the connection seat 210H, and the limiting mechanism 240H is configured to limit shake of the wheel seat 220H relative to the connection seat 210H.

Specifically, the limiting mechanism 240H includes a fixing seat 241H, the fixing seat 241H is fixedly connected to the wheel seat 220H and sleeved on the rotating shaft 230H to achieve the fixed connection between the rotating shaft 230H and the wheel seat 220H, a receiving hole 211H is formed on the connecting seat 210H, at least a portion of the fixing seat 241H is disposed in the receiving hole 211H and can rotate relative to the receiving hole 211H to achieve the rotating connection between the rotating shaft 230H and the connecting seat 210H, the fixing seat 241H is tightly fitted to the receiving hole 211H to limit the rotation of the rotating shaft 230H in the horizontal direction by using the friction force between the wall of the fixing seat 241H and the wall of the receiving hole 211H, so as to limit the wheel seat 220H from swinging in the horizontal direction relative to the connecting seat 210H.

More specifically, as shown in fig. 38 to 40, the fixing base 241H includes a fixing body 2411H and two elastic abutting portions 2412H disposed on the fixing body 2411H, preferably, in this embodiment, the fixing body 2411H may be fixedly connected to the wheel base 220H by two locking elements 2413H, wherein the locking elements 2413H may be locking screws, and the two elastic abutting portions 2412H may be two elastic pieces mounted on the fixing body 2411H and opposite to each other. When the fixing base 241H is tightly fitted to the accommodating hole 211H, the two elastic abutting portions 2412H abut against the hole wall of the accommodating hole 211H and are pressed by the hole wall of the accommodating hole 211H to generate elastic deformation, and the friction force generated between the elastic abutting portions 2412H and the hole wall of the accommodating hole 211H can effectively limit the rotation of the rotating shaft member 230H in the horizontal direction, so as to limit the wheel base 220H from swinging in the horizontal direction relative to the connecting base 210H. However, the invention is not limited to this embodiment, and in another embodiment, the fixing base may only include one elastic abutting portion, and the elastic abutting portion may be a rubber protrusion.

In this embodiment, the anti-sway device 200H utilizes the friction force between the fixing seat 241H and the accommodating hole 211H to limit the rotation of the rotating shaft 230H in the horizontal direction, so as to limit the wheel seat 220H from swaying in the horizontal direction relative to the connecting seat 210H, and therefore the child carrier 100H is less prone to jolting and swaying when traveling on an uneven road surface, and has better riding safety and comfort.

In addition, in another embodiment, the child carrier may also adopt the anti-shaking devices of different embodiments, for example, the anti-shaking devices of different embodiments may be disposed between different wheels and the frame of the child carrier, which depends on actual requirements.

Compared with the prior art, the limiting mechanism of the anti-shaking device can limit the shaking of the wheel seat connected with the wheel relative to the connecting seat connected with the frame, so that the anti-shaking device can effectively avoid the jolting and shaking of the child carrier when the child carrier passes through an uneven road surface, thereby improving the riding safety and the comfort of the child carrier.

Those skilled in the art will readily observe that numerous modifications and alterations of the device and method of the invention may be made while maintaining the teachings of the invention. Accordingly, the above disclosure should be construed as limited only by the metes and bounds of the appended claims.

Claims (34)

1. An anti-sway device (200a, 200b,200c,200d,200e,200f,200g, 200h) for a wheel (102a, 102b,102c,102d,102e,102f,102g, 102h) of a child carrier (100a, 100b,100c,100d,100e,100f,100g, 100h), wherein the anti-sway device (200a, 200b,200c, 200g, 200h) comprises:

a connection seat (210A, 210B,210C,210D,210E,210F,210G, 210H) connecting the frame (101A, 101B,101C,101D, 101F,101G, 101H) of the child carrier (100A, 100B,100C,100D,100E,100F,100G, 100H);

wheel mounts (220A, 220B,220C,220D,220E,220F,220G, 220H) which connect the wheels (102A, 102B,102C,102D,102E,102F,102G, 100H) of the child carriers (100A, 100B,100C,100D,100E,100F,100G, 100H);

a shaft member (230A, 230B,230C,230D,230E,230F,230G, 230H) fixedly connecting one of the attachment seats (210A, 210B,210C,210D,210E,210F,210G, 210H) and the wheel seat (220A, 220B,220C,220D,220E,220F,220G, 220H) and rotatably connecting the other of the attachment seats (210A, 210B,210C,210D,210E,210F,210G, 210H) and the wheel seat (220A, 220B,220C,220D,220E,220F,220G, 220H); and

a limiting mechanism (240A, 240B,240C,240D,240E,240F,240G, 240H) for limiting the shaking of the wheel seat (220A, 220B,220C,220D,220E,220F,220G, 220H) relative to the connection seat (210A, 210B,210C,210D,210E,210F,210G, 210H).

2. The anti-shaking device (200A) according to claim 1, wherein the limiting mechanism (240A) comprises a damping member (241A), the damping member (241A) is fixedly connected to the other one of the connecting seat (210A) and the wheel seat (220A), a through hole (2411A) is formed on the damping member (241A), and the rotating shaft member (230A) is inserted into the through hole (2411A) and is tightly matched with the damping member (241A).

3. The anti-wobble device (200A) as claimed in claim 2, wherein the shaft member (230A) has a groove (231A) formed thereon, the damping member (241A) has a protrusion (2412A), and the protrusion (2412A) is tightly fitted in the groove (231A).

4. The anti-sloshing apparatus (200A) of claim 3, wherein said recess (231A) is a trapezoidal recess and said protrusion is a trapezoidal protrusion.

5. The anti-wobble device (200A) as claimed in claim 2, wherein the limiting mechanism (240A) further comprises at least one fixing member (243A), and the at least one fixing member (243A) is used to fixedly connect the damping member (241A) to the other of the connecting seat (210A) and the wheel seat (220A).

6. The anti-wobble device (200A) as claimed in claim 2, wherein the limiting mechanism (240A) further comprises a bearing (242A), the bearing (242A) is disposed on the other one of the connecting seat (210A) and the wheel seat (220A), and the rotating shaft member (230A) is rotatably connected to the other one of the connecting seat (210A) and the wheel seat (220A) through the bearing (242A).

7. The anti-wobble device (200B, 200C) as claimed in claim 1, wherein the limiting mechanism (240B, 240C) comprises an urging member (242B), and the urging member (242B) urges the shaft member (230B, 230C) in an axial direction of the shaft member (230B, 230C).

8. The anti-shaking device (200B) according to claim 7, wherein the pushing member (242B) is movably disposed on the other one of the connecting seat (210B) and the wheel seat (220B), the limiting mechanism (240B) further comprises an elastic member (241B), and the elastic member (241B) is connected to the pushing member (242B) to drive the pushing member (242B) to push the rotating shaft member (230B).

9. The anti-sway device (200B) of claim 8, wherein the limiting mechanism (240B) further comprises an engaging member (244B), the engaging member (244B) is formed with a long hole (2441B), the pivot member (230B) is disposed through the long hole (2441B), and the engaging member (244B) is movable relative to the pivot member (230B) along a lateral direction of the pivot member (230B) by the engagement of the long hole (2441B) and the pivot member (230B), thereby pushing the pivot member (230B) along the lateral direction of the pivot member (230B).

10. The anti-wobble device (200B) as claimed in claim 9, wherein the rotation shaft member (230B) has a groove (231B), the engaging member (244B) has a protrusion (2442B), and when the engaging member (244B) pushes against the rotation shaft member (230B) along the lateral direction of the rotation shaft member (230B), the protrusion (2442B) engages the groove (231B) along the lateral direction of the rotation shaft member (230B).

11. The anti-shaking device (200B) according to claim 9, wherein the engaging member (244B) is movably disposed on the other one of the connecting seat (210B) and the wheel seat (220B), the limiting mechanism (240B) further comprises a resetting member (245B), and the resetting member (245B) is disposed between the other one of the connecting seat (210B) and the wheel seat (220B) and the engaging member (244B) to drive the engaging member (244B) to push the rotating shaft member (230B) along the lateral direction of the rotating shaft member (230B).

12. The anti-shaking device (200B) as claimed in claim 8, wherein the limiting mechanism (240B) further comprises at least one positioning post (243B), the at least one positioning post (243B) is fixedly disposed on the other one of the connecting seat (210B) and the wheel seat (220B) and/or the pushing member (242B), and the elastic member (241B) is sleeved on the at least one positioning post (243B).

13. The shaking prevention device (200C) as claimed in claim 7, wherein the pushing member (241C) comprises two positioning protrusions (2411C) fixedly disposed on the one of the connecting seat (210C) and the wheel seat (220C), and an end of the rotating shaft member (230C) is clamped between the two positioning protrusions (2411C).

14. The anti-wobble device (200C) of claim 1 or 13, wherein the limiting mechanism (240C) further comprises a plurality of rotating members, the plurality of rotating members being rotationally engaged with each other.

15. The anti-wobble device (200C) as claimed in claim 14, wherein the plurality of rotation components include a first gear (2431C) and a second gear (2432C), the first gear (2431C) is fixedly disposed on the other one of the connecting base (210C) and the wheel base (220C) and sleeved on the rotation shaft component (230C), and the second gear (2432C) is rotatably disposed on the one of the connecting base (210C) and the wheel base (220C).

16. The anti-wobble device (200C) as claimed in claim 15, wherein the limiting mechanism (240C) further comprises a fixing portion (244C), and the fixing portion (244C) is fixedly disposed on the other of the connecting base (210C) and the wheel base (220C) and sleeved on the rotating shaft (230C).

17. The anti-wobble device (200C) of claim 16, wherein the first gear (2431C) is integrally formed with the fixed portion (244C).

18. The anti-wobble device (200C) of claim 15, wherein a root circle diameter of the first gear (2431C) is larger than a root circle diameter of the second gear (2432C).

19. The anti-wobble device (200D) as claimed in claim 1, wherein the limiting mechanism (240D) comprises a damping block (244D), and the damping block (244D) is disposed at one side of the rotating shaft member (230D) and can move along a lateral direction of the rotating shaft member (230D) relative to the rotating shaft member (230D), thereby pushing the rotating shaft member (230D) along the lateral direction of the rotating shaft member (230D).

20. The anti-rattle device (200D) according to claim 19, wherein the shaft member (230D) has a groove (231D) formed thereon, the damping block (244D) includes a protrusion (2441D), and the protrusion (2441D) engages the groove (231D) along the lateral direction of the shaft member (230D) when the damping block (244D) pushes the shaft member (230D) along the lateral direction of the shaft member (230D).

21. The anti-wobble device (200D) as claimed in claim 19, wherein the damping block (244D) is movably disposed on the other of the connecting seat (210D) and the wheel seat (220D), the limiting mechanism (240D) further comprises a reset member (245D), and the reset member (245D) is disposed between the other of the connecting seat (210D) and the wheel seat (220D) and the damping block (244D) to drive the damping block (244D) to push the rotating shaft member (230D) along the lateral direction of the rotating shaft member (230D).

22. The anti-wobble device (200D) as claimed in claim 21, wherein the limiting mechanism (240D) further comprises at least one positioning post (246D), the at least one positioning post (246D) is fixedly disposed on the other one of the connecting base (210D) and the wheel base (220D) and/or the damping block (244D), and the restoring member (245D) is sleeved on the at least one positioning post (246D).

23. The anti-wobble device (200D) as claimed in claim 19, wherein the limiting mechanism (240D) further comprises a mounting member (242D), the mounting member (242D) is fixedly disposed on the other one of the connecting seat (210D) and the wheel seat (220D), and the rotating shaft member (230D) is rotatably connected to the other one of the connecting seat (210D) and the wheel seat (220D) via the mounting member (242D).

24. The anti-wobble device (200D) as claimed in claim 19, wherein the anti-wobble device (200D) further comprises a buffer member (250D), and the buffer member (250D) is disposed parallel to the shaft member (230D) and is installed between the wheel (102D) and the wheel seat (220D).

25. The anti-shaking device (200E) according to claim 1, wherein the limiting mechanism (240E) comprises a rotating sleeve (241E) and a damping piece (242E), the rotating sleeve (241E) is fixedly disposed on the other one of the connecting seat (210E) and the wheel seat (220E), the rotating shaft (230E) penetrates through the rotating sleeve (241E) and can rotate relative to the rotating sleeve (241E), and the damping piece (242E) is disposed on the rotating shaft (230E) and pushes against the rotating sleeve (241E) along an axial direction of the rotating shaft (230E).

26. The anti-wobble device (200E) as claimed in claim 1, wherein the position-limiting mechanism (240E) comprises a damping piece (242E), and the damping piece (242E) is disposed on the shaft member (230E) and pushes against the rotating sleeve (241E) along an axial direction of the shaft member (230E).

27. The anti-shaking device (200E) as claimed in claim 26, wherein the limiting mechanism (240E) further comprises a rotating sleeve (241E), the rotating sleeve (241E) is fixedly disposed on the other one of the connecting seat (210E) and the wheel seat (220E), the rotating shaft (230E) comprises a limiting portion (231E) and an extending portion (232E), the rotating sleeve (241E) comprises a through hole for the extending portion (232E) to be inserted, the limiting portion (231E) is used to limit the distance of the extending portion (232E) to be inserted into the through hole, the damping piece (242E) is disposed between the limiting portion (231E) and the rotating sleeve (241E), and the extending portion (232E) passes through the through hole to be connected to the connecting seat (210E).

28. The anti-shaking device (200F) according to claim 1, wherein the limiting mechanism (240F) comprises a socket member (241F), and the socket member (241F) is fixedly disposed on the other one of the connecting seat (210F) and the wheel seat (220F) and is sleeved on the rotating shaft member (230F).

29. The anti-sloshing apparatus (200F) of claim 28, wherein said socket member (241F) has at least one notch (2411F) formed in a wall surface thereof, and an inner diameter of said socket member (241F) is smaller than an outer diameter of said rotating shaft member (230F).

30. The anti-shaking device (200G) according to claim 1, wherein the limiting mechanism (240G) comprises a shaft sleeve (242G) and an elastic member (243G), the shaft sleeve (242G) is movably disposed on the other one of the connecting seat (210G) and the wheel seat (220G) and sleeved on the rotating shaft member (230G), and the elastic member (243G) is disposed between the other one of the connecting seat (210G) and the wheel seat (220G) and the shaft sleeve (242G) to drive the shaft sleeve (242G) to push the rotating shaft member (230G) along a lateral direction of the rotating shaft member (230G).

31. The anti-wobble device (200G) as claimed in claim 30, wherein the position limiting mechanism (240G) further comprises at least one bearing (241G), and the at least one bearing (241G) is fixedly disposed on the other of the connecting base (210G) and the wheel base (220G).

32. The anti-wobble device (200G) as claimed in claim 30, wherein the limiting mechanism (240G) further comprises an abutting member (244G), and the abutting member (244G) is disposed between the connecting seat (210G) and the wheel seat (220G).

33. The anti-wobble device (200H) as claimed in claim 1, wherein the limiting mechanism (240G) comprises a fixing seat (241H), the fixing seat (241H) is fixedly connected to one of the connecting seat (210H) and the wheel seat (220H) and sleeved on the rotating shaft member (230H), a receiving hole (211H) is formed in the other of the connecting seat (210H) and the wheel seat (220H), and the fixing seat (241H) is tightly fitted with the receiving hole (211H).

34. The anti-shaking device (200H) as claimed in claim 33, wherein the fixing base (241H) comprises a fixing body (2411H) and at least one elastic abutting portion (2412H), and when the fixing base (241H) is tightly fitted with the receiving hole (211H), the at least one elastic abutting portion (2412H) abuts against a hole wall of the receiving hole (211H) and is elastically deformed.

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