Vibration damping device adapted for the wheels of pediatric carriers

Abstract

To provide a vibration damping device adapted for the wheels of a child carrier. [Solution] The vibration damping device 200E comprises a connecting base 210E, a wheelbase 220E, a spindle component 230E fixedly connected to one of the connecting base and the wheelbase and rotatably connected to the other, and a suppression mechanism 240E configured to suppress the vibrational motion of the wheelbase relative to the connecting base. The suppression mechanism comprises a rotating sleeve 241E and a block plate 243E. The rotating sleeve is fixedly disposed on the other of the connecting base and the wheelbase. The spindle component penetrates the rotating sleeve and is rotatable relative to the rotating sleeve. The block plate is positioned between the wheelbase and the connecting base so as to penetrate the block plate and suppress the vibrational motion of the wheelbase relative to the connecting base in the horizontal direction.

Description

Technical Field

[0001] The present invention relates to an anti-shimmy device adapted for the wheels of a children's carrier as described in writing in claim 1.

Background Art

[0002] Children's carriers such as baby strollers for children can reduce the burden on caregivers taking children outdoors, and thus are widespread and widely used. Children's carriers usually use wheels to improve mobility. However, conventional children's carriers can bounce and shake due to rocking and / or swaying of the wheels when the children's carrier passes over a bumpy road, which has an adverse effect on the riding safety and comfort of the children's carrier. Therefore, it is necessary to provide a solution to solve the above problems.

Summary of the Invention

Problems to be Solved by the Invention

[0003] With this in mind, the object of the present invention is to provide an anti-shimmy device adapted for the wheels of a children's carrier.

Means for Solving the Problems

[0004] This is achieved by an anti-shimmy device adapted for the wheels of a children's carrier as described in claim 1. The dependent claims relate to corresponding further developments and improvements.

[0005] As will become clearer from the following detailed description, the vibration damping device described in the claim is adapted for the wheels of a child carrier. The vibration damping device includes a connecting base, a wheelbase, a spindle component, and a suppression mechanism. The connecting base is connected to the frame of the child carrier. The wheelbase is connected to the wheels of the child carrier. The spindle component is fixedly connected to one of the connecting base and the wheelbase, and rotatably connected to the other of the connecting base and the wheelbase. The suppression mechanism is configured to suppress the vibrational motion of the wheelbase relative to the connecting base.

[0006] According to embodiments of the present invention, the suppression mechanism includes a damping component fixedly connected to the other of a connecting base and a wheelbase. A through hole is provided in the damping component, and a spindle component passes through the through hole and fits tightly into the damping component.

[0007] According to an embodiment of the present invention, a recess is provided on the spindle component, and a projection protrudes from the damping component and fits tightly into the recess.

[0008] According to embodiments of the present invention, the recess is a trapezoidal recess, and the projection is a trapezoidal projection.

[0009] According to embodiments of the present invention, the suppression mechanism further includes at least one fixed component configured to fixally connect the damping component to the other of the connecting base and the wheelbase.

[0010] According to embodiments of the present invention, the restraint mechanism further includes a bearing disposed on the other of the connecting base and the wheelbase, and the spindle component is rotatably connected to the other of the connecting base and the wheelbase by the bearing.

[0011] According to embodiments of the present invention, the suppression mechanism includes a pressing component configured to press a spindle component along the axial direction of the spindle component.

[0012] According to embodiments of the present invention, the pressing component is movably disposed on the other of the connecting base and the wheelbase, and the restraining mechanism further includes an elastic component connected to the pressing component to cause the pressing component to press the spindle component.

[0013] According to embodiments of the present invention, the restraint mechanism further includes an engaging component. An elongated hole is provided in the engaging component. The spindle component passes through the elongated hole, and the engaging component is movable relative to the spindle component in the lateral direction of the spindle component by cooperation between the elongated hole and the spindle component in order to press the spindle component along the lateral direction of the spindle component.

[0014] According to an embodiment of the present invention, a recess is disposed on the spindle component, a projection protrudes from the engaging component, and when the engaging component presses the spindle component along the lateral direction of the spindle component, it engages with the recess along the lateral direction of the spindle component.

[0015] According to embodiments of the present invention, the engaging component is movably disposed on the other of the connecting base and the wheelbase, and the restraining mechanism further includes a return component disposed between the engaging component and the other of the connecting base and the wheelbase to cause the engaging component to press the spindle component along the lateral direction of the spindle component.

[0016] According to embodiments of the present invention, the restraint mechanism further includes a pressing component and at least one positioning column fixedly disposed on at least one of the connecting base and the other of the wheelbase, wherein the elastic component is a sleeve on the at least one positioning column.

[0017] According to embodiments of the present invention, the pressing component includes two protrusions fixedly disposed on either the connecting base or the wheelbase, and the end of the spindle component is clamped by the two protrusions.

[0018] According to embodiments of the present invention, the restraint mechanism further includes at least two rotating bodies that are rotatably engaged with each other.

[0019] According to embodiments of the present invention, at least two rotating bodies include a first gear and a second gear. The first gear is fixedly disposed on the other of the connecting base and the wheelbase and is sleeved on the spindle component, while the second gear is rotatably disposed on the one of the connecting base and the wheelbase.

[0020] According to embodiments of the present invention, the restraint mechanism further includes a fixed portion which is fixedly disposed on the other of the connecting base and the wheelbase and is a sleeve on the spindle component.

[0021] According to an embodiment of the present invention, the first gear and the fixing part are integrally formed with each other.

[0022] According to an embodiment of the present invention, the root circle diameter of the first gear is larger than the root circle diameter of the second gear.

[0023] According to embodiments of the present invention, the suppression mechanism includes a damping block, which is disposed on one side of the spindle component and is movable relative to the spindle component in the lateral direction of the spindle component in order to press the spindle component along the lateral direction of the spindle component.

[0024] According to an embodiment of the present invention, a recess is disposed on the spindle component, and a projection protrudes from the damping block and engages with the recess along the lateral direction of the spindle component when the damping block presses the spindle component along the lateral direction of the spindle component.

[0025] According to an embodiment of the present invention, the damping block is movably disposed on the other of the connection base and the wheel base, and the suppression mechanism further includes a return component disposed between the damping block and the other of the connection base and the wheel base for pressing the spindle component along the lateral direction of the spindle component against the damping block.

[0026] According to an embodiment of the present invention, the suppression mechanism further includes at least one positioning pillar fixedly disposed on at least one of the damping block and the other of the connection base and the wheel base, and the return component is sleeved on the at least one positioning pillar.

[0027] According to an embodiment of the present invention, the suppression mechanism further includes a mounting component fixedly disposed on the other of the connection base and the wheel base, and the spindle component is rotatably connected to the other of the connection base and the wheel base by the mounting component.

[0028] According to an embodiment of the present invention, the vibration damping device further includes a buffer component disposed between the wheel and the wheel base, and the buffer component and the spindle component are arranged in parallel.

[0029] According to an embodiment of the present invention, the suppression mechanism includes a rotating sleeve and a damping plate. The rotating sleeve is fixedly disposed on the other of the connection base and the wheel base. The spindle component passes through the rotating sleeve and is rotatable with respect to the rotating sleeve, and the damping plate is disposed on the spindle component and presses the rotating sleeve along the axial direction of the spindle component.

[0030] According to an embodiment of the present invention, the suppression mechanism includes a damping plate, and the damping plate is disposed on the spindle component and presses the rotating sleeve along the axial direction of the spindle component.

[0031] According to embodiments of the present invention, the restraint mechanism further includes a rotating sleeve. The rotating sleeve is fixedly disposed on the other of the connecting base and the wheelbase. The spindle component includes a restraint portion and an extension portion. The rotating sleeve includes a through hole for insertion of the extension portion. The restraint portion is for restraining the insertion length of the extension portion into the through hole. A damping plate is positioned between the restraint portion and the rotating sleeve, and the extension portion is connected to the connecting base by passing through the through hole.

[0032] According to embodiments of the present invention, the suppression mechanism includes a covering component, which is fixedly disposed on the other of the connecting base and the wheelbase and is a sleeve on the spindle component.

[0033] According to embodiments of the present invention, at least one notch is provided in the wall of the covering component, and the inner diameter of the covering component is smaller than the outer diameter of the spindle component.

[0034] According to embodiments of the present invention, the restraint mechanism includes a shaft sleeve and an elastic component. The shaft sleeve is movably disposed on the other of the connecting base and the wheelbase and is a sleeve on the spindle component, and the elastic component is disposed between the shaft sleeve and the other of the connecting base and the wheelbase to cause the shaft sleeve to press the spindle component along the lateral direction of the spindle component.

[0035] According to embodiments of the present invention, the restraint mechanism further includes at least one bearing fixedly disposed on the other of the connecting base and the wheelbase.

[0036] According to embodiments of the present invention, the restraint mechanism further includes a contact component disposed between the connecting base and the wheelbase.

[0037] According to embodiments of the present invention, the restraint mechanism includes a fixed base, which is fixedly connected to one of a connecting base and a wheelbase and is a sleeve on the spindle component. A housing hole is provided on the other of the connecting base and the wheelbase, and the fixed base fits tightly into the housing hole.

[0038] According to embodiments of the present invention, the fixed base includes a fixed main body and at least one elastic contact portion, the at least one elastic contact portion which contacts the wall of the housing hole and is elastically deformed when the fixed base is tightly fitted into the housing hole.

[0039] In summary, the vibration damping mechanism of the present invention can suppress the vibrational motion of the wheelbase connected to the wheel relative to the connecting base connected to the frame. Accordingly, the present invention can effectively prevent the child carrier from bouncing and shaking when traveling on uneven roads, thereby improving the safety and comfort of riding in the child carrier.

[0040] These and other objects of the present invention will become undoubtedly apparent to those skilled in the art after reading the following detailed description of preferred embodiments illustrated in various figures and drawings.

[0041] The present invention will be further described below, by reference to the accompanying drawings, as an example. [Brief explanation of the drawing]

[0042] [Figure 1] This is a schematic diagram of a pediatric carrier according to the first embodiment of the present invention. [Figure 2] This is a partial diagram of a pediatric carrier according to a first embodiment of the present invention. [Figure 3] This is an exploded view of a vibration damping device according to a first embodiment of the present invention. [Figure 4] This is a cross-sectional view of a vibration damping device according to a first embodiment of the present invention. [Figure 5] This is a diagram of a damping component according to a first embodiment of the present invention. [Figure 6] This is a schematic diagram of a pediatric carrier according to a second embodiment of the present invention. [Figure 7] This is a partial diagram of a pediatric carrier according to a second embodiment of the present invention. [Figure 8] This is a cross-sectional view of a vibration damping device according to a second embodiment of the present invention. [Figure 9] This is a partial diagram of a pediatric carrier according to a third embodiment of the present invention. [Figure 10] This is a partial cross-sectional view of a pediatric carrier according to a third embodiment of the present invention. [Figure 11] This is a partial diagram of a pediatric carrier according to a third embodiment of the present invention. [Figure 12] This is a partial diagram of a pediatric carrier according to a third embodiment of the present invention. [Figure 13] This is a partial diagram of a pediatric carrier according to a third embodiment of the present invention. [Figure 14] This is a partial diagram of a pediatric carrier according to a third embodiment of the present invention. [Figure 15] This is another partial cross-sectional view of a pediatric carrier according to a third embodiment of the present invention. [Figure 16] This is a diagram of a fixing part according to a third embodiment of the present invention. [Figure 17] This is a diagram of a wheelbase body according to a third embodiment of the present invention. [Figure 18] This is a partial diagram of a pediatric carrier according to a fourth embodiment of the present invention. [Figure 19] This is a partially enlarged view of a pediatric carrier according to a fourth embodiment of the present invention. [Figure 20] This is a partial cross-sectional view of a vibration damping device according to a fourth embodiment of the present invention. [Figure 21] This is an exploded view of a vibration damping device according to a fourth embodiment of the present invention. [Figure 22] This is a diagram of a damping block according to a fourth embodiment of the present invention. [Figure 23] This is a partial diagram of a pediatric carrier according to a fifth embodiment of the present invention. [Figure 24]This is an enlarged view of part A of the pediatric carrier shown in Figure 23, according to a fifth embodiment of the present invention. [Figure 25] This is an exploded view of a vibration damping device according to a fifth embodiment of the present invention. [Figure 26] This is a partial cross-sectional view of a pediatric carrier according to a fifth embodiment of the present invention. [Figure 27] This is an enlarged view of part B of the pediatric carrier shown in Figure 26, according to a fifth embodiment of the present invention. [Figure 28] This is a partial diagram of a pediatric carrier according to a sixth embodiment of the present invention. [Figure 29] This is an enlarged view of part C of a pediatric carrier according to the sixth embodiment of the present invention. [Figure 30] This is a diagram of a covering component according to the sixth embodiment of the present invention. [Figure 31] This is a partial diagram of a pediatric carrier according to the seventh embodiment of the present invention. [Figure 32] This is a partially enlarged view of a pediatric carrier according to the seventh embodiment of the present invention. [Figure 33] This is another enlarged view of a pediatric carrier according to the seventh embodiment of the present invention. [Figure 34] This is a partially exploded view of a pediatric carrier according to the seventh embodiment of the present invention. [Figure 35] This is a partial cross-sectional view of a pediatric carrier according to a seventh embodiment of the present invention. [Figure 36] This is a schematic diagram of a pediatric carrier according to the eighth embodiment of the present invention. [Figure 37] This is a partial diagram of a pediatric carrier according to the eighth embodiment of the present invention. [Figure 38] This is a partially exploded view of a pediatric carrier according to the eighth embodiment of the present invention. [Figure 39] This is a partial internal structure diagram of a pediatric carrier according to the eighth embodiment of the present invention. [Figure 40] This is another partial internal structure diagram of a pediatric carrier according to the eighth embodiment of the present invention. [Modes for carrying out the invention]

[0043] In the following detailed description of preferred embodiments, references will be made to the accompanying drawings illustrating specific embodiments that form part of this specification and enable the implementation of the invention. In this regard, directional terms such as “top,” “bottom,” “front,” and “back” are used with reference to the orientations of the drawings described. The components of the invention can be positioned in a number of different orientations. Therefore, directional terms are used for illustrative purposes only and are not limiting. Accordingly, the drawings and description are considered to be illustrative and not limiting. Also, the term “connect” is intended to mean either an indirect or direct mechanical connection. Thus, when a first device is connected to a second device, this connection may be via a direct mechanical connection or via an indirect mechanical connection through other devices and connections.

[0044] Refer to Figures 1 to 5. Figure 1 is a schematic diagram of a child carrier 100A according to a first embodiment of the present invention. Figure 2 is a partial view of the child carrier 100A according to a first embodiment of the present invention. Figure 3 is an exploded view of a vibration damping device 200A according to a first embodiment of the present invention. Figure 4 is a cross-sectional view of the vibration damping device 200A according to a first embodiment of the present invention. Figure 5 is a diagram of a damping component 241A according to a first embodiment of the present invention. As shown in Figures 1 to 5, the child carrier 100A may be a stroller. However, the present invention is not limited thereto. For example, in another embodiment, the child carrier may be a child crib, a child basket, or a child bassinet. The child carrier 100A includes a frame 101A, four wheels 102A, and two vibration damping devices 200A. The front legs of the frame 101A are connected to two of the four wheels 102A, and the rear legs of the frame 101A are connected to the other two of the four wheels 102A. Each of the two vibration dampers 200A is positioned between the front legs of the frame 101A and the corresponding wheels 102A. However, the number and configuration of the wheels and vibration dampers are not limited to this embodiment. It depends on practical requirements. For example, in another embodiment, the child carrier may include only one vibration damper positioned between the rear legs of the frame and the corresponding wheels.

[0045] As shown in Figures 2 to 4, each of the two vibration damping devices 200A includes a connecting base 210A, a wheelbase 220A, a spindle component 230A, and a suppression mechanism 240A. The connecting base 210A is connected to the frame 101A. The wheelbase 220A is connected to the corresponding wheel 102A. The wheelbase 220A is rotatably connected to the connecting base 210A by the spindle component 230A. The suppression mechanism 240A is for suppressing the shimmy movement of the wheelbase 220A relative to the connecting base 210A.

[0046] Specifically, the lower end of the spindle component 230A is fixedly connected to the wheelbase 220A, and the upper end of the spindle component 230A is rotatably connected to the connection base 210A. The damping mechanism 240A includes a damping component 241A and a bearing 242A. The bearing 242A is disposed on the connection base 210A, and as a result, the spindle component 230A is rotatably connected to the connection base 210A by the bearing 242A. An entry hole 211A is disposed inside the connection base 210A. The damping component 241A is fixed inside the entry hole 211A. A through hole 2411A is disposed on the damping component 241A. The spindle component 230A passes through the through hole 2411A and tightly fits into the damping component 241A. To suppress the vibrational motion of the wheelbase 220A relative to the connecting base 210A, the damping component 241A can suppress the motion of the spindle component 230A.

[0047] More specifically, the recess 231A is provided on the spindle component 230A. The projection 2412A protrudes from the damping component 241A. The recess 231A is located on the outer wall of the spindle component 230A. The projection 2412A is located on the inner wall of the through hole 2411A of the damping component 241A. In order to suppress the vibration motion of the wheelbase 220A relative to the connecting base 210A along the horizontal direction and the vibration motion of the wheelbase 220A relative to the connecting base 210A along the vertical direction, when the spindle component 230A passes through the through hole 2411A, the projection 2412A fits tightly into the recess 231A, thereby suppressing the rotation of the spindle component 230A along the horizontal direction and the vibration of the spindle component 230A along the vertical direction.

[0048] Furthermore, in this embodiment, the recess 231A may be a trapezoidal recess and the projection 2412A may be a trapezoidal projection, enabling a tight fit between the projection 2412A and the recess 231A, and more effectively suppressing the movement of the spindle component 230A along the horizontal and vertical directions.

[0049] In addition, the damping mechanism 240A further includes two fixed components 243A configured to fixally connect the damping component 241A to the connecting base 210A. In this embodiment, the fixed components 243A may be screws.

[0050] Specifically, as shown in Figures 4 and 5, the damping component 241A includes a main body 2413A and a neck portion 2414A disposed at the end of the main body 2413A. Two protruding shoulder portions 2415A protrude from the outside of the neck portion 2414A. A concave connecting portion 2416A is disposed between each of the two protruding shoulder portions 2415A and the main body 2413A. To ensure structural stability and prevent the damping component 241A from being moved by the spindle component 230A, two fixed components 243A penetrate the connecting base 210A so as to be inserted into the two connecting portions 2416A, thereby fixing the damping component 241A to the connecting base 210A.

[0051] However, the present invention is not limited to this embodiment. The number of fixed components, protruding shoulders, and connecting parts depends on practical requirements. For example, in another embodiment, the damping mechanism may include only one fixed component, and only one protruding shoulder and one connecting part may be present in the damping component.

[0052] In this embodiment, in order to suppress the vibrational motion of the wheelbase 220A relative to the connecting base 210A along the horizontal and vertical directions, the vibration damping device 200A utilizes the tight fit between the projection 2412A protruding from the damping component 241A and the recess 231A of the spindle component 230A to suppress the movement of the spindle component 230A along the horizontal and vertical directions. Accordingly, the child carrier 100A is prevented from bouncing or shaking when traveling on uneven roads, improving the safety and comfort of riding in the child carrier 100A.

[0053] Refer to Figures 6 to 8. Figure 6 is a schematic diagram of a pediatric carrier 100B according to a second embodiment of the present invention. Figure 7 is a partial view of the pediatric carrier 100B according to a second embodiment of the present invention. Figure 8 is a cross-sectional view of a vibration damping device 200B according to a second embodiment of the present invention. As shown in Figures 6 to 8, the pediatric carrier 100B includes a frame 101B, four wheels 102B, and two vibration damping devices 200B. The front legs of the frame 101B are connected to two of the four wheels 102B, and the rear legs of the frame 101B are connected to the other two of the four wheels 102B. Each of the two vibration damping devices 200B is disposed between the front legs of the frame 101B and the corresponding wheels 102B and includes a connecting base 210B, a wheelbase 220B, a spindle component 230B, and a suppression mechanism 240B. The connecting base 210B is connected to the frame 101B. The wheelbase 220B is connected to the corresponding wheel 102B. The lower end of the spindle component 230B is rotatably connected to the wheelbase 220B, and the upper end of the spindle component 230B is fixedly connected to the connecting base 210B. A positioning hole 221B is disposed inside the wheelbase 220B. The restraining mechanism 240B includes an elastic component 241B and a pressing component 242B. The pressing component 242B is movably disposed inside the positioning mechanism 240B and is adjacent to the lower end of the spindle component 230B. To suppress the vibration motion of the wheelbase 220B relative to the connecting base 210B along the vertical direction, the elastic component 241B is connected to the pressing component 242B to press the spindle component 230B along the axial direction of the spindle component 230B against the pressing component 242B to suppress vibration of the spindle component 230B along the vertical direction, and to impart an elastic force to the pressing component 242B along the axial direction of the spindle component 230B.

[0054] Furthermore, in this embodiment, the elastic component 241B may be a compression spring. One side of the pressing component 242B adjacent to the spindle component 230B may be a flat structure, and the other side of the pressing component 242B adjacent to the elastic component 241B may be a socket structure to cover the upper end of the elastic component 241B in order to firmly position the upper end of the elastic component 241B. The restraining mechanism 240B may further include a positioning column 243B fixedly disposed on the wheelbase 220B. The lower end of the elastic component 241B is sleeved on the positioning column 243B, and as a result, the lower end of the elastic component 241B is firmly positioned. The above configuration prevents the elastic component 241B from deflecting and ensures structural stability.

[0055] However, the present invention is not limited to this embodiment. Any structure capable of positioning the elastic component is included within the scope of the present invention. For example, in another embodiment, the positions of the socket structure and the positioning column can be interchanged, i.e., the socket structure may be disposed on the wheelbase, and the positioning column may be disposed on one side of the pressing component adjacent to the elastic component. Alternatively, in another embodiment, the restraint mechanism may include two positioning columns or two socket structures disposed on the wheelbase and the pressing component. Alternatively, in another embodiment, the positioning columns and socket structures may be omitted.

[0056] In addition, as shown in Figure 8, the suppression mechanism 240B further includes an engaging component 244B. An elongated hole 2441B is provided in the engaging component 244B. The spindle component 230B passes through the elongated hole 2441B. In order to suppress the vibrational motion of the wheelbase 220B relative to the connecting base 210B along the horizontal direction, the engaging component 244B is movable along the lateral direction of the spindle component 230B in cooperation with the elongated hole 2441B to suppress the rotation of the spindle component 230B along the horizontal direction, thereby pressing the spindle component 230B along the lateral direction of the spindle component 230B.

[0057] In this embodiment, the recess 231B is disposed on the spindle component 230B. The projection 2442B protrudes from the engaging component 244B. When the engaging component 244B presses the spindle component 230B along the lateral direction of the spindle component 230B, the projection 2442B engages with the recess 231B along the lateral direction of the spindle component 230B. The above configuration not only suppresses the rotation of the spindle component 230B along the horizontal direction but also enables the quick separation of the wheelbase 220B and the connecting base 210B. In other words, the user can operate the engaging component 244B to disengage the projection 2442B from the recess 231B in order to separate the wheelbase 220B and the connecting base 210B from each other.

[0058] Furthermore, the suppression mechanism 240B further includes a return component 245B disposed between the wheelbase 220B and the engaging component 244B in order to cause the engaging component 244B to press the spindle component 230B along the lateral direction of the spindle component 230B, that is, the engaging component 244B is biased by the return component 245B to press the spindle component 230B along the lateral direction.

[0059] In this embodiment, to suppress the vibrational motion of the wheelbase 220B relative to the connecting base 210B along the vertical and horizontal directions, the vibration damping device 200B utilizes the pressing component 242B and the engaging component 244B, respectively, to suppress the vibration of the spindle component 230B along the vertical direction and the rotation of the spindle component 230B along the horizontal direction. Accordingly, the child carrier 100B is prevented from bouncing or shaking when traveling on uneven roads, improving the safety and comfort of riding in the child carrier 100B.

[0060] Refer to Figures 9 to 17. Figure 9 is a partial view of the pediatric carrier 100C according to a third embodiment of the present invention. Figure 10 is a partial cross-sectional view of the pediatric carrier 100C according to a third embodiment of the present invention. Figures 11 to 14 are various partial views of the pediatric carrier 100C according to a third embodiment of the present invention. Figure 15 is another partial cross-sectional view of the pediatric carrier 100C according to a third embodiment of the present invention. Figure 16 is a view of the fixing part 244C according to a third embodiment of the present invention. Figure 17 is a view of the wheelbase body 221C according to a third embodiment of the present invention. As shown in Figures 9 to 17, the pediatric carrier 100C includes a frame 101C, at least one wheel 102C, and at least one vibration damping device 200C. The vibration damping device 200C is disposed between the frame 101C and the corresponding wheel 102C and includes a connecting base 210C, a wheelbase 220C, a spindle component 230C, and a suppression mechanism 240C. The connecting base 210C is connected to the frame 101C. The wheelbase 220C is connected to the corresponding wheel 102C. The lower end of the spindle component 230C is rotatably connected to the wheelbase 220C, and the upper end of the spindle component 230C is fixedly connected to the connecting base 210C.

[0061] As shown in Figures 9, 13, 14, and 17, the elongated hole 2201C is located at the lower end of the wheelbase 220C and is positioned at an angle. The wheel shaft 1021C of the wheel 102C passes through the elongated hole 2201C and is slidable within the elongated hole 2201C. To prevent the wheel 102C from causing the wheelbase 220C to vibrate relative to the connecting base 210C along the vertical direction, when a vertical external force is applied to the wheel 102C, the wheel 102C may move relative to the wheelbase 220C through the cooperation of the wheel shaft 1021C and the elongated hole 2201C.

[0062] As shown in Figures 9, 10, 13, 14, and 17, the wheelbase 220C includes a wheelbase body 221C and a positioning base 222C. A accommodating recess is located at the upper end of the wheelbase body 221C to accommodate the positioning base 222C. The positioning base 222C is removably connected to the wheelbase body 221C. In this embodiment, the wheelbase body 221C and the positioning base 222C may be connected to each other by two fastening components 223C, which may be screws. A spindle component 230C permanently penetrates the positioning base 222C. The restraining mechanism 240C includes a pressing component 241C. The pressing component 241C includes two positioning projections 2411C that are permanently disposed on the wheelbase body 221C. The lower end of the spindle component 230C protrudes from the positioning base 222C and is clamped by two positioning projections 2411C. To suppress the vibrational motion of the wheelbase 220C relative to the connecting base 210C along the vertical direction, the two positioning projections 2411C can press the spindle component 230C along its axial direction to suppress vibration of the spindle component 230C along the vertical direction.

[0063] In this embodiment, the two positioning protrusions 2411C and the wheelbase body 221C may be integrally formed with each other. Guide surfaces 2412C may be provided on each of the two positioning protrusions 2411C. A hemispherical coupling head 231C may be provided on the lower end of the spindle component 230C. The coupling head 231C may be guided by the two guide surfaces 2412C and inserted in a manner that tightly fits between the two positioning protrusions 2411C, ensuring structural stability.

[0064] Furthermore, as shown in Figures 11 to 16, the suppression mechanism 240 further includes a first gear 2431C and a second gear 2432C. The first gear 2431C is sleeved on the spindle component 230C. The second gear 2432C is rotatably disposed on the positioning base 222C and rotatably engages with the first gear 2431C. When a horizontal external force is applied to the wheel 102C, the rotation of the spindle component 230C is suppressed by the rotational engagement of the first gear 2431C and the second gear 2432C, thereby suppressing the vibrational motion of the wheelbase 220C relative to the connecting base 210C along the horizontal direction.

[0065] In this embodiment, the root circle diameter of the first gear 2431C may be larger than that of the second gear 2432C in order to better achieve the effect of suppressing the rotation of the spindle component 230C along the horizontal direction. However, the present invention is not limited to this embodiment. In another embodiment, the root circle diameter of the first gear may be the same as or smaller than that of the second gear.

[0066] In addition, as shown in Figures 10 to 12 and Figure 16, the restraint mechanism 240C further includes a fixed portion 244C which is fixedly disposed on the connecting base 210C and is sleeved on the spindle component 230C. The first gear 2431C is disposed at the lower end of the fixed portion 244C. In this embodiment, the fixed portion 244C and the first gear 2431C may be integrally formed with each other. A housing chamber 245C is disposed inside the fixed portion 244C for the insertion of the spindle component 230C. The upper end of the fixed portion 244C is fixed to the connecting base 210C. The fixed portion 244C is intended to provide support for the internal structure of the connecting base 210C in order to improve structural stability. In this embodiment, a flat introduction portion 2441C may be disposed at the upper end of the fixed portion 244C, and a first introduction hole 2442C may be disposed in the introduction portion 2441C. Furthermore, the flat portion 232C may be disposed at the upper end of the spindle component 230C, and the second inlet hole 233C may be disposed in the flat portion 232C and positioned corresponding to the first inlet hole 2442C. The above configuration allows the spindle component 230C and the fixing portion 244C to be fixed to the connection base 210C by positioning pins that pass through the first inlet hole 2442C and the second inlet hole 233C.

[0067] To understand this, in order to achieve rotation of the second gear 2432C, an entry hole may be provided in the positioning base 222C for insertion of the shaft of the second gear 2432C. Furthermore, in another embodiment, the pivot shaft may protrude from the positioning base to allow the second gear to be sleeved on the pivot shaft.

[0068] However, the present invention is not limited to this embodiment. The suppression mechanism may also utilize at least two other rotating bodies to suppress the rotation of the spindle component along the horizontal direction, instead of gears. For example, in another embodiment, the suppression mechanism may include a cam sleeved on the spindle component and a plurality of rotating disks rotatably engaged with the cam, and when a horizontal external force is applied to the wheel, the cam can rotate the plurality of rotating disks to suppress the rotation of the spindle component along the horizontal direction.

[0069] As shown in Figures 11 and 14, the vibration damping device 200C further includes a support base 250C disposed between the connecting base 210C and the positioning base 222C. An engaging projection 2221C protrudes from the positioning base 222C. A protective cover 251C is disposed on the support base 250C. A second gear 2432C is positioned between the positioning base 222C and the protective cover 251C. An engaging slot 2511C is disposed on the protective cover 251C to engage with the engaging projection 2221C, and an opening 2512C is disposed on the protective cover 251C to allow the spindle component 230C and the first gear 2431C to pass through.

[0070] In this embodiment, the vibration damping device 200C suppresses vibration of the spindle component 230C in the vertical direction and rotation of the spindle component 230C in the horizontal direction by utilizing the pressing component 241C and the rotational engagement of the first gear 2431C and the second gear 2432C, respectively, to suppress vibration of the spindle component 230C in the vertical direction and rotation of the spindle component 230C in the horizontal direction. In addition, the vibration damping device 200C further utilizes the cooperation of the wheel shaft 1021C and the elongated hole 2201C to prevent the wheel 102C from causing the wheelbase 220C to vibrate in the vertical direction relative to the connecting base 210C. Thus, the child carrier 100C is prevented from bouncing or shaking when traveling on uneven roads, improving the safety and comfort of riding in the child carrier 100C.

[0071] Refer to Figures 18 to 22. Figure 18 is a partial view of the pediatric carrier 100D according to a fourth embodiment of the present invention. Figure 19 is a partial enlarged view of the pediatric carrier 100D according to a fourth embodiment of the present invention. Figure 20 is a partial cross-sectional view of the vibration damping device 200D according to a fourth embodiment of the present invention. Figure 21 is an exploded view of the vibration damping device 200D according to a fourth embodiment of the present invention. Figure 22 is a diagram of the damping block 244D according to a fourth embodiment of the present invention. As shown in Figures 18 to 22, the pediatric carrier 100D includes a frame 101D, at least one wheel 102D, and at least one vibration damping device 200D. The vibration damping device 200D is disposed between the frame 101D and the corresponding wheel 102D. The vibration damping device 200D includes a connecting base 210D, a wheelbase 220D, a spindle component 230D, and a damping mechanism 240D. The connecting base 210D is connected to the frame 101D. The wheelbase 220D is connected to the corresponding wheel 102D. The lower end of the spindle component 230D is rotatably connected to the wheelbase 220D. The upper end of the spindle component 230D is fixedly connected to the connecting base 210D. To suppress the vibrational motion of the wheelbase 220D relative to the connecting base 210D, a suppression mechanism 240D is disposed between the spindle component 230D and the wheelbase 220D.

[0072] Specifically, as shown in Figures 20 to 22, the wheelbase 220D includes a first housing chamber 2201D and a through hole 2202D. The first housing chamber 2201D is for housing the spindle component 230D and the restraint mechanism 240D. The through hole 2202D communicates with the first housing chamber 2201D and allows the spindle component 230D to pass through it. The spindle component 230D passes through the through hole 2202D and is disposed vertically between the wheelbase 220D and the connecting base 210D. The restraint mechanism 240D includes a bearing 241D and a mounting component 242D. The bearing 241D is disposed inside the first housing chamber 2201D and is located below the through hole 2202D. To achieve a rotatable connection between the spindle component 230D and the wheelbase 220D, the spindle component 230D passes through the bearing 241D. The mounting component 242D is positioned adjacent to the lower end of the spindle component 230D and is for positioning the spindle component 230D inside the first housing chamber 2201D. The mounting component 242D is secured inside the first housing chamber 2201D by at least one fastening component 243D.

[0073] In addition, the suppression mechanism 240D further includes a damping block 244D and a return component 245D. The damping block 244D is disposed inside the first housing chamber 2201D and is positioned near the lower end of the spindle component 230D. To suppress the vibrational motion of the wheelbase 220D relative to the horizontal connection base 210D, the damping block 244D is movable laterally relative to the spindle component 230D to suppress the rotation of the spindle component 230D along the horizontal direction, thereby pressing the spindle component 230D along its lateral direction. The return component 245D is disposed inside the first housing chamber 2201D and is positioned between the wheelbase 220D and the damping block 244D to cause the damping block 244D to press the spindle component 230D along its lateral direction.

[0074] Specifically, the damping block 244D may be made of rubber or plastic material. The return component may be a spring. The suppression mechanism 240D may further include a positioning column 246D fixedly disposed on the damping block 244D. The return component 245D is a sleeve on the positioning column 246D. However, the present invention is not limited to this embodiment. It depends on practical requirements. For example, the positioning column may be disposed on the wheelbase. Alternatively, in another embodiment, the suppression mechanism may include two positioning columns fixedly disposed on the damping block and the wheelbase, respectively. Alternatively, in another embodiment, the positioning columns may be omitted.

[0075] In this embodiment, the recess 231D is disposed on the spindle component 230D. The projection 2441D protrudes from the damping block 244D. When the damping block 244D presses the spindle component 230D along the lateral direction of the spindle component 230D, the projection 2441D engages with the recess 231D along the lateral direction of the spindle component 230D. Specifically, the recess 231D may be a circular recess. The surface of the damping block 244D adjacent to the spindle component 230D may be an arc-shaped surface. The projection 2441D may be disposed on the arc-shaped surface.

[0076] Furthermore, the vibration damping device 200D further includes a buffer component 250D introduced between the wheel 102D and the wheelbase 220D. The buffer component 250D and the spindle component 230D are arranged in parallel. Specifically, the wheelbase 220D further includes a second housing chamber 2203D and two slots 2204D which communicate with the second housing chamber 2203D and allow the wheel shaft of the wheel 102D to pass through. The vibration damping device 200D further includes a support block 260D. The buffer component 250D and the support block 260D are disposed inside the second housing chamber 2203D. The support block 260D is positioned on the wheel shaft of the wheel 102D. To prevent the wheel 102D from moving the wheelbase 220D along the vertical direction and to suppress the vibrational motion of the wheelbase 220D relative to the vertically oriented connecting base 210D, the buffer component 250D is disposed between the support block 260D and the top wall of the second housing chamber 2203D. However, the present invention is not limited to this embodiment. For example, in another embodiment, the support portion may extend from the bottom of the second housing chamber, the support portion may abut against the end of the buffer component, and may be connected to the wheel shaft of the wheel.

[0077] In addition, the vibration damping device 200D further includes a first connecting component 270D and a second connecting component 280D. The first connecting component 270D is pivotably connected to the second connecting component 280D. The second connecting component 280D is pivotally connected to the wheelbase 220D by the wheel shaft of the wheel 102D. Specifically, the second connecting component 280D includes a housing chamber 281D for housing the outer surface 2205D of the second housing chamber 2203D of the wheelbase 220D.

[0078] In this embodiment, to suppress the vibrational motion of the wheelbase 220D relative to the horizontally connected base 210D, the vibration damping device 200D utilizes a damping block 244D to suppress the rotation of the horizontally connected spindle component 230D. Furthermore, the vibration damping device 200D further utilizes a buffer component 250D to prevent the wheel 102D from vibrating the wheelbase 220D relative to the vertically connected base 210D. Thus, the child carrier 100D is prevented from bouncing or shaking when traveling on uneven roads, improving the safety and comfort of riding in the child carrier 100D.

[0079] Refer to Figures 23 to 27. Figure 23 is a partial view of a pediatric carrier 100E according to a fifth embodiment of the present invention. Figure 24 is an enlarged view of part A of the pediatric carrier 100E shown in Figure 23, according to a fifth embodiment of the present invention. Figure 25 is an exploded view of a vibration damping device 200E according to a fifth embodiment of the present invention. Figure 26 is a partial cross-sectional view of the pediatric carrier 100E according to a fifth embodiment of the present invention. Figure 27 is an enlarged view of part B of the pediatric carrier 100E shown in Figure 26, according to a fifth embodiment of the present invention. As shown in Figures 23 to 27, the pediatric carrier 100E includes a frame 101E, at least one wheel 102E, and at least one vibration damping device 200E. The vibration damping device 200E is disposed between the frame 101E and the corresponding wheel 102E. The vibration damping device 200E includes a connecting base 210E, a wheelbase 220E, a spindle component 230E, and a suppression mechanism 240E. The connecting base 210E is connected to the frame 101E. The wheelbase 220E is connected to the corresponding wheel 102E. The lower end of the spindle component 230E is rotatably connected to the wheelbase 220E. The upper end of the spindle component 230E is fixedly connected to the connecting base 210E. The suppression mechanism 240E is for suppressing the vibrational motion of the wheelbase 220E relative to the connecting base 210E.

[0080] Specifically, as shown in Figures 25 and 27, the damping mechanism 240E includes a rotating sleeve 241E and a damping plate 242E. The rotating sleeve 241E is fixedly mounted on the wheelbase 220E. To achieve a rotatable connection between the spindle component 230E and the wheelbase 220E, the spindle component 230E penetrates the rotating sleeve 241E and is rotatable relative to the rotating sleeve 241E. To suppress vibration of the spindle component 230E along the vertical direction and thereby suppress the vibrational motion of the wheelbase 220E relative to the connecting base 210E along the vertical direction, the damping plate 242E is mounted on the spindle component 230E and can press the rotating sleeve 241E along the axial direction of the spindle component 230E.

[0081] In this embodiment, the spindle component 230E includes a restraining portion 231E and an extending portion 232E. The rotating sleeve 241E includes a through hole for insertion of the extending portion 232E. The restraining portion 231E is for restraining the insertion length of the extending portion 232E into the through hole. The damping plate 242E is positioned between the restraining portion 231E and the rotating sleeve 241E. The extending portion 232E passes through the through hole and is connected to the connecting base 210E. In addition, the rotating sleeve 241E further includes a contact portion 2411E and a rotating portion 2412E. The wheelbase 220E includes an introduction hole 221E for enabling insertion of the extending portion 232E and the rotating portion 2412E. The rotating portion 2412E is positioned between the extending portion 232E and the wheelbase 220E. The contact portion 2411E and the damping portion 231E are exposed outside the introduction hole 221E. The damping plate 242E is positioned between the contact portion 2411E and the damping portion 231E. The contact portion 2411E can contact the wheelbase 220E in a vertical direction, and the damping plate 242E can contact the contact portion 2411E in a vertical direction. Therefore, the vibrational motion of the wheelbase 220E relative to the connecting base 210E in a vertical direction can be effectively suppressed.

[0082] In this embodiment, the spindle component 230E may be a hollow pipe to reduce weight. Furthermore, the rotating sleeve 241E may be made of a plastic material, and as a result, the rotating sleeve 241E may be elastically deformable, and the contact portion 2411E and the rotating portion 2412E may be integrally formed with each other.

[0083] Furthermore, as shown in Figures 25 and 26, the suppression mechanism 240E further includes a block plate 243E. The block plate 243E is positioned on the rotating sleeve 241E. The spindle component 230E penetrates the block plate 243E. To suppress the vibrational motion of the wheelbase 220E relative to the connecting base 210E along the horizontal direction, the block plate 243E is positioned between the rotating sleeve 241E and the connecting base 210E and between the wheelbase 220E and the connecting base 210E.

[0084] In addition, the vibration damping device 200E further includes a brake component 250E and a shock absorber 260E. The brake component 250E is operated to contact the wheel 102E to reduce the rotational speed of the wheel 102E. The shock absorber 260E is positioned below the brake component 250E and is elastic to prevent the wheel 102E from vibrating the wheelbase 220E along the vertical direction relative to the connecting base 210E. In this embodiment, the shock absorber 260E may be made of a plastic material, and at least one buffer 261E, which has an elliptical structure, may be disposed on the shock absorber 260E to improve the shock absorption effect of the shock absorber 260E. However, the present invention is not limited to this embodiment. For example, in another embodiment, the buffer may have a circular or quadrilateral structure.

[0085] In this embodiment, the vibration damping device 200E utilizes damping plates 242E and block plates 243E to suppress the vibrational motion of the wheelbase 220E relative to the connecting base 210E in the vertical and horizontal directions, respectively. Furthermore, the vibration damping device 200E utilizes shock absorbing section 260E to prevent the wheel 102E from vibrating the wheelbase 220E relative to the connecting base 210E in the vertical direction. As a result, the child carrier 100E is prevented from bouncing or shaking when traveling on uneven roads, improving the safety and comfort of riding in the child carrier 100E.

[0086] Refer to Figures 28 to 30. Figure 28 is a partial view of the pediatric carrier 100F according to the sixth embodiment of the present invention. Figure 29 is an enlarged view of section C of the pediatric carrier 100F according to the sixth embodiment of the present invention. Figure 30 is a diagram of the covering component 241F according to the sixth embodiment of the present invention. As shown in Figures 28 to 30, the pediatric carrier 100F includes a frame, at least one wheel 102F, and at least one vibration damping device 200F. The vibration damping device 200F is disposed between the frame and the corresponding wheel 102F. The vibration damping device 200F includes a connecting base 210F, a wheelbase 220F, a spindle component 230F, and a suppression mechanism 240F. The connecting base 210F is connected to the frame. The wheelbase 220F is connected to the corresponding wheel 102F. The lower end of the spindle component 230F is fixedly connected to the wheelbase 220F. The upper end of the spindle component 230F is rotatably connected to the connecting base 210F. The suppression mechanism 240F is for suppressing the vibrational motion of the wheelbase 220F relative to the connecting base 210F.

[0087] Specifically, as shown in Figure 30, the suppression mechanism 240F includes a covering component 241F that is fixedly disposed on the connecting base 210F and is sleeved on the spindle component 230F. At least one notch 2411F is provided on the wall of the covering component 241F. The inner diameter of the covering component 241F is smaller than the outer diameter of the spindle component 230F. Therefore, when the covering component 241F is sleeved on the spindle component 230F in order to suppress the vibration motion of the wheelbase 220F relative to the connecting base 210F along the horizontal direction, the covering component 241F can be elastically expanded by the spindle component 230F, clamping the spindle component 230F and suppressing the rotation of the spindle component 230F along the horizontal direction.

[0088] In addition, as shown in Figure 29, in order to prevent the wheelbase 220F from vibrating the connecting base 210F along the vertical direction, the vibration damping device 200F further includes a buffer component 250F disposed between the wheelbase 220F and the connecting base 210F.

[0089] In this embodiment, to suppress the vibrational motion of the wheelbase 220F relative to the horizontally oriented connecting base 210F, the vibration damping device 200F utilizes the covering component 241F to suppress the rotation of the horizontally oriented spindle component 230F. In addition, the vibration damping device 200F further utilizes the buffer component 250F to prevent the wheelbase 220F from vibrating the connecting base 210F in the vertical direction. Thus, the child carrier 100F is prevented from bouncing or shaking when traveling on uneven roads, improving the safety and comfort of riding in the child carrier 100F.

[0090] Refer to Figures 31 to 35. Figure 31 is a partial view of the pediatric carrier 100G according to the seventh embodiment of the present invention. Figure 32 is a partial enlarged view of the pediatric carrier 100G according to the seventh embodiment of the present invention. Figure 33 is another partial enlarged view of the pediatric carrier 100G according to the seventh embodiment of the present invention. Figure 34 is a partial exploded view of the pediatric carrier 100G according to the seventh embodiment of the present invention. Figure 35 is a partial cross-sectional view of the pediatric carrier 100G according to the seventh embodiment of the present invention. As shown in Figures 31 to 35, the pediatric carrier 100G includes a frame 101G, at least one wheel 102G, and at least one vibration damping device 200G. The vibration damping device 200G is disposed between the frame 101G and the corresponding wheel 102G. The vibration damping device 200G includes a connecting base 210G, a wheelbase 220G, a spindle component 230G, and a suppression mechanism 240G. The connecting base 210G is connected to the frame 101G. The wheelbase 220G is connected to the corresponding wheel 102G. The lower end of the spindle component 230G is fixedly connected to the wheelbase 220G. The upper end of the spindle component 230G is rotatably connected to the connecting base 210G. The suppression mechanism 240G is for suppressing the vibrational motion of the wheelbase 220G relative to the connecting base 210G.

[0091] Specifically, the suppression mechanism 240G includes two bearings 241G. The two bearings 241G are fixedly mounted on the connecting base 210G. To achieve a rotatable connection between the spindle component 230G and the connecting base 210G, the spindle component 230G passes through the two bearings 241G. The suppression mechanism 240G further includes a shaft sleeve 242G and an elastic component 243G. The shaft sleeve 242G is movably mounted on the connecting base 210G and is sleeved on the spindle component 230G. To suppress the vibrational motion of the wheelbase 220G relative to the connecting base 210G along the horizontal direction, the elastic component 243G is mounted between the connecting base 210G and the shaft sleeve 242G to cause the shaft sleeve 242G to press the spindle component 230G along the lateral direction of the spindle component 230G in order to suppress the rotation of the spindle component 230G along the horizontal direction. However, the present invention is not limited to this embodiment. In another embodiment, the restraint mechanism may include only one bearing.

[0092] More specifically, as shown in Figures 34 and 35, the connecting base 210G includes a base body 211G, an operating section 212G, and a positioning component 213G. The shaft sleeve 242G, two bearings 241G, and spindle component 230G are disposed inside the base body 211G. The shaft sleeve 242G is positioned between the two bearings 241G. The operating section 212G and the positioning component 213G are movably disposed in the base body 211G and connected to each other. The positioning component 213G penetrates the base body 211G and engages with the spindle component 230G. The operating section 212G can disengage the positioning component 213G from the spindle component 230G. The positioning column 2421G protrudes from the shaft sleeve 242G. The end of the elastic component 243G is sleeved on the positioning column 2421G. Another positioning column 2121G protrudes from the operating section 212G. Another end of the elastic component 243G is sleeved on the positioning column 2121G.

[0093] Furthermore, as shown in Figures 32 to 34, the suppression mechanism 240G further includes a contact component 244G disposed between the connecting base 210G and the wheelbase 220G. Specifically, the contact component 244G is disposed on the wheelbase 220G and protrudes from the surface 221G of the wheelbase 220G. In order to prevent direct contact between the surface 214G and the surface 221G, the contact component 244G is designed to abut against the surface 214G of the connecting base 210G adjacent to the wheelbase 220G. This not only reduces the friction area between the surface 214G and the surface 221G, but can also reduce noise caused by the movement of the wheelbase 220G relative to the connecting base 210G.

[0094] In this embodiment, to suppress the vibrational motion of the wheelbase 220G relative to the horizontally oriented connecting base 210G, the vibration damping device 200G utilizes the shaft sleeve 242G to suppress the rotation of the horizontally oriented spindle component 230G. Thus, the child carrier 100G is prevented from bouncing or shaking when traveling on uneven roads, improving the safety and comfort of riding in the child carrier 100G. In addition, the vibration damping device 200G further utilizes the contact component 244G to prevent direct contact between the surface 214G and the surface 221G, which not only reduces the friction area between the surface 214G and the surface 221G but can also reduce noise caused by the movement of the wheelbase 220G relative to the connecting base 210G.

[0095] Refer to Figures 36 to 40. Figure 36 is a schematic diagram of a pediatric carrier 100H according to the eighth embodiment of the present invention. Figure 37 is a partial view of the pediatric carrier 100H according to the eighth embodiment of the present invention. Figure 38 is a partially exploded view of the pediatric carrier 100H according to the eighth embodiment of the present invention. Figure 39 is a partial internal structure diagram of the pediatric carrier 100H according to the eighth embodiment of the present invention. Figure 40 is another partial internal structure diagram of the pediatric carrier 100H according to the eighth embodiment of the present invention. As shown in Figures 36 to 40, the pediatric carrier 100H includes a frame 101H, at least one wheel 102H, and at least one vibration damping device 200H. The vibration damping device 200H is disposed between the frame 101H and the corresponding wheel 102H. The vibration damping device 200H includes a connecting base 210H, a wheelbase 220H, a spindle component 230H, and a suppression mechanism 240H. The connecting base 210H is connected to the frame 101H. The wheelbase 220H is connected to the corresponding wheel 102H. The lower end of the spindle component 230H is fixedly connected to the wheelbase 220H. The upper end of the spindle component 230H is rotatably connected to the connecting base 210H. The suppression mechanism 240H is for suppressing the vibrational motion of the wheelbase 220H relative to the connecting base 210H.

[0096] Specifically, to achieve a fixed connection between the spindle component 230H and the wheelbase 220H, the suppression mechanism 240H includes a fixed base 241H fixedly connected to the wheelbase 220H and sleeved on the spindle component 230H. A housing hole 211H is provided in the connecting base 210H. To achieve a rotatable connection between the spindle component 230H and the connecting base 210H, the fixed base 241H is at least partially provided inside the housing hole 211H and is rotatable relative to the housing hole 211H. To suppress the vibrational motion of the wheelbase 220H relative to the connecting base 210H along the horizontal direction, the fixed base 241H fits tightly into the housing hole 211H, and the frictional force between the fixed base 241H and the wall of the housing hole 211H suppresses the rotation of the spindle component 230H along the horizontal direction.

[0097] More specifically, as shown in Figures 38 to 40, the fixed base 241H includes a fixed main body 2411H and two elastic contact portions 2412H disposed on the fixed main body 2411H. Preferably, in this embodiment, the fixed main body 2411H may be fixedly connected to the wheelbase 220H by two fastening components 2413H, which may be screws, and the two elastic contact portions 2412H may be two elastic arms introduced into the fixed main body 2411H and located opposite each other. When the fixed base 241H is fitted into the housing hole 211H, the two elastic contact portions 2412H abut against the walls of the housing hole 211H and can be elastically deformed by the walls of the housing hole 211H. To suppress the vibrational motion of the wheelbase 220H relative to the horizontally oriented connecting base 210H, the frictional force between each of the two elastic contact portions and the wall portion of the housing hole 211H can effectively suppress the rotation of the horizontally oriented spindle component 230H. However, the present invention is not limited to this embodiment. In another embodiment, the fixed base may include only one elastic contact portion, which may be a rubber projection.

[0098] In this embodiment, to suppress the vibrational motion of the wheelbase 220H relative to the horizontally oriented connecting base 210H, the vibration damping device 200H utilizes the frictional force between each of the two elastic contact parts and the wall of the housing hole 211H to suppress the rotation of the horizontally oriented spindle component 230H. Thus, the child carrier 100H is prevented from bouncing or shaking when traveling on uneven roads, improving the safety and comfort of riding in the child carrier 100H.

[0099] Furthermore, in another embodiment, the child carrier may also include different vibration damping devices from the different embodiments described above. For example, the different vibration damping devices from the different embodiments described above may be arranged between the frame and different wheels.

[0100] In contrast to conventional technology, the vibration damping mechanism of the present invention can suppress the vibrational motion of the wheelbase connected to the wheel relative to the connecting base connected to the frame. Accordingly, the present invention can effectively prevent the child carrier from bouncing and shaking when traveling on uneven roads, thereby improving the safety and comfort of riding in the child carrier.

[0101] Those skilled in the art will readily realize that many changes and modifications can be made to the apparatus and method while retaining the teachings of the present invention. Accordingly, the above disclosure should be construed as being limited only by the appended claims. [Additional note 1] In vibration damping devices (200A, 200B, 200C, 200D, 200E, 200F, 200G, 200H) adapted for the wheels (102A, 102B, 102C, 102D, 102E, 102F, 102G, 102H) of pediatric carriers (100A, 100B, 100C, 100D, 100E, 100F, 100G, 100H), The connection base (210A, 210B, 210C, 210D, 210E, 210F, 210G, 210H) is connected to the frame (101A, 101B, 101C, 101D, 101E, 101G, 101H) of the aforementioned pediatric carrier (100A, 100B, 100C, 100D, 100E, 100F, 100G, 100H), The wheelbase (220A, 220B, 220C, 220D, 220E, 220F, 220G, 220H) connected to the wheels (102A, 102B, 102C, 102D, 102E, 102F, 102G, 102H) of the aforementioned pediatric carrier (100A, 100B, 100C, 100D, 100E, 100F, 100G, 100H), A spindle component (230A, 230B, 230C, 230D, 230E, 210F, 210G, 210H) is fixedly connected to one of the connection bases (210A, 210B, 210C, 210D, 210E, 220F, 220G, 220H) and the wheelbase (220A, 220B, 220C, 220D, 220E, 220F, 220G, 220H), and is rotatably connected to the other of the connection bases (210A, 210B, 210C, 210D, 210E, 210F, 210G, 210H) and the wheelbase (220A, 220B, 220C, 220D, 220E, 220F, 220G, 220H), A suppression mechanism (240A, 240B, 240C, 240D, 240E, 240F, 240G, 240H) configured to suppress the vibration motion of the wheelbase (220A, 220B, 220C, 220D, 220E, 220F, 220G, 220H) relative to the connection base (210A, 210B, 210C, 210D, 210E, 210F, 210G, 210H), Vibration damping devices equipped with (200A, 200B, 200C, 200D, 200E, 200F, 200G, 200H). [Additional note 2] The suppression mechanism (240A) includes a damping component (241A) that is fixedly connected to the other of the connection base (210A) and the wheelbase (220A). A through hole (2411A) is provided in the damping component (241A), The spindle component (230A) penetrates the through hole (2411A) and tightly fits into the damping component (241A), as described in Appendix 1, for the vibration damping device (200A). [Appendix 3] The recess (231A) is provided on the spindle component (230A), A vibration damping device (200A) as described in Appendix 2, wherein a projection (2412A) protrudes from the damping component (241A) and tightly fits into the recess (231A). [Additional note 4] The aforementioned recess (231A) is a trapezoidal recess, The aforementioned projection (2412A) is a trapezoidal projection, as described in Appendix 3 of the vibration damping device (200A). [Additional note 5] The damping device (200A) according to Appendix 2, further comprising at least one fixed component (243A) configured to fix the damping component (241A) to the other of the connecting base (210A) and the wheelbase (220A). [Additional note 6] The suppression mechanism (240A) further comprises a bearing (242A) disposed on the other of the connecting base (210A) and the wheelbase (220A), The vibration damping device (200A) according to Appendix 2, wherein the spindle component (230A) is rotatably connected to the other of the connecting base (210A) and the wheelbase (220A) by the bearing (242A). [Additional note 7] The damping device (200B, 200C) according to Appendix 1 comprises a pressing component (242B, 241C) configured to press the spindle component (230B, 230C) along the axial direction of the spindle component (230B, 230C). [Additional note 8] The pressing component (242B) is movably disposed on the other of the connecting base (210B) and the wheelbase (220B), The damping device (200B) according to Appendix 7 further comprises an elastic component (241B) connected to the pressing component (242B) in order to cause the pressing component (242B) to press the spindle component (230B) against the pressing component (240B). [Additional note 9] The suppression mechanism (240B) further comprises an engagement component (244B), The elongated hole (2441B) is provided in the engagement component (244B), The spindle component (230B) penetrates the elongated hole (2441B), The vibration damping device (200B) according to Appendix 8, wherein the engaging component (244B) is movable relative to the spindle component (230B) in the lateral direction of the spindle component (230B) by cooperation between the elongated hole (2441B) and the spindle component (230B) in order to press the spindle component (230B) along the lateral direction of the spindle component (230B). [Additional Note 10] The recess (231B) is provided on the spindle component (230B), The vibration damping device (200B) according to Appendix 9, wherein the projection (2442B) protrudes from the engaging component (244B), and when the engaging component (244B) presses the spindle component (230B) along the lateral direction of the spindle component (230B), the projection (2442B) engages with the recess (231B) along the lateral direction of the spindle component (230B). [Additional Note 11] The engagement component (244B) is movably disposed on the other of the connecting base (210B) and the wheelbase (220B), The damping device (200B) according to Appendix 9, further comprising a return component (245B) disposed between the engaging component (244B) and the other of the connecting base (210B) and the wheelbase (220B) in order to cause the engaging component (244B) to press the spindle component (230B) along the lateral direction of the spindle component (230B). [Additional Note 12] The suppression mechanism (240B) further comprises the pressing component (242B) and at least one positioning column (243B) fixedly disposed on at least one of the connecting base (210B) and the wheelbase (220B), The vibration damping device (200B) according to Appendix 8, wherein the elastic component (241B) is made into a sleeve on the at least one positioning column (243B). [Additional Note 13] The pressing component (241C) comprises two protrusions (2411C) fixedly disposed on one of the connecting base (210C) and the wheelbase (220C), The end of the spindle component (230C) is clamped by the two protrusions (2411C) of the vibration damping device (200C) as described in Appendix 7. [Additional Note 14] The damping mechanism (240C) further comprises at least two rotating bodies that are rotatably engaged with each other, as described in Appendix 1 or 13, the vibration damping device (200C). [Additional Note 15] The at least two rotating bodies include a first gear (2431C) and a second gear (2432C), The first gear (2431C) is fixedly disposed on the other of the connecting base (210C) and the wheelbase (220C), and is sleeved on the spindle component (230C). The second gear (2432C) is rotatably disposed on one of the connecting base (210C) and the wheelbase (220C), as described in Appendix 14, and is a vibration damping device (200C). [Additional Note 16] The aforementioned suppression mechanism (240C) further comprises a fixing part (244C), The fixed portion (244C) is fixedly disposed on the other of the connecting base (210C) and the wheelbase (220C), and is a sleeve on the spindle component (230C), as described in Appendix 15, for the vibration damping device (200C). [Additional Note 17] The vibration damping device (200C) described in Appendix 16, wherein the first gear (2431C) and the fixing part (244C) are integrally formed with each other. [Additional Note 18] The vibration damping device (200C) described in Appendix 15, wherein the root circle diameter of the first gear (2431C) is larger than the root circle diameter of the second gear (2432C). [Additional Note 19] The aforementioned suppression mechanism (240D) includes a damping block (244D), The damping block (244D) is disposed on one side of the spindle component (230D) and is movable relative to the spindle component (230D) in the lateral direction of the spindle component (230D) in order to press the spindle component (230D) along the lateral direction of the spindle component (230D), as described in Appendix 1, for the vibration damping device (200D). [Additional Note 20] A recess (231D) is provided on the spindle component (230D), A vibration damping device (200D) according to appendix 19, wherein a projection (2441D) protrudes from the damping block (244D), and when the damping block (244D) presses the spindle component (230D) along the lateral direction of the spindle component (230D), the projection (2441D) engages with the recess (231D) along the lateral direction of the spindle component (230D). [Additional Note 21] The damping block (244D) is movably disposed on the other of the connecting base (210D) and the wheelbase (220D), The damping mechanism (240D) further comprises a return component (245D) disposed between the damping block (244D) and the other of the connecting base (210D) and the wheelbase (220D) in order to cause the damping block (244D) to press the spindle component (230D) along the lateral direction of the spindle component (230D), as described in Appendix 19, the vibration damping device (200D). [Additional Note 22] The suppression mechanism (240D) further comprises the damping block (244D) and at least one positioning column (246D) fixedly disposed on at least one of the connecting base (210D) and the wheelbase (220D), The vibration damping device (200D) according to Appendix 21, wherein the return component (245D) is a sleeve on the at least one positioning column (246D). [Additional Note 23] The suppression mechanism (240D) further comprises a mounting component (242D) fixedly disposed on the other of the connection base (210D) and the wheelbase (220D), The vibration damping device (200D) according to Appendix 19, wherein the spindle component (230D) is rotatably connected to the other of the connecting base (210D) and the wheelbase (220D) by the mounting component (242D). [Additional note 24] The vibration damping device (200D) further comprises a buffer component (250D) disposed between the wheel (102D) and the wheelbase (220D), The damping component (250D) and the spindle component (230D) are arranged in parallel, forming the vibration damping device (200D) described in Appendix 19. [Additional note 25] The aforementioned suppression mechanism (240E) comprises a rotating sleeve (241E) and a damping plate (242E), The rotating sleeve (241E) is fixedly disposed on the other of the connecting base (210E) and the wheelbase (220E). The spindle component (230E) penetrates the rotating sleeve (241E) and is rotatable relative to the rotating sleeve (241E), The damping plate (242E) is disposed on the spindle component (230E) and presses the rotating sleeve (241E) along the axial direction of the spindle component (230E), as described in Appendix 1, for the vibration damping device (200E). [Additional note 26] The aforementioned suppression mechanism (240E) includes a damping plate (242E), The damping plate (242E) is disposed on the spindle component (230E) and presses the rotating sleeve (241E) along the axial direction of the spindle component (230E), as described in Appendix 1, for the vibration damping device (200E). [Additional note 27] The aforementioned suppression mechanism (240E) further comprises a rotating sleeve (241E), The rotating sleeve (241E) is fixedly disposed on the other of the connecting base (210E) and the wheelbase (220E). The spindle component (230E) comprises a restraining portion (231E) and an extending portion (232E), The rotating sleeve (241E) is provided with a through hole for inserting the extended portion (232E), The aforementioned restraining portion (231E) is for restraining the insertion length of the extending portion (232E) into the through hole, The damping plate (242E) is positioned between the suppression portion (231E) and the rotating sleeve (241E), The extended portion (232E) is connected to the connecting base (210E) through the through hole, and is a vibration damping device (200E) as described in Appendix 26. [Additional note 28] The suppression mechanism (240F) comprises a covering component (241F), The covering component (241F) is fixedly disposed on the other of the connecting base (210F) and the wheelbase (220F), and is formed as a sleeve on the spindle component (230F), as described in Appendix 1, for the vibration damping device (200F). [Additional note 29] At least one notch (2411F) is provided in the wall portion of the covering component (241F), The vibration damping device (200F) described in Appendix 28, wherein the inner diameter of the covering component (241F) is smaller than the outer diameter of the spindle component (230F). [Additional note 30] The aforementioned suppression mechanism (240G) comprises a shaft sleeve (242G) and an elastic component (243G). The shaft sleeve (242G) is movably disposed on the other of the connecting base (210G) and the wheelbase (220G), and is a sleeve on the spindle component (230G). The elastic component (243G) is disposed between the shaft sleeve (242G) and the other of the connecting base (210G) and the wheelbase (220G) to cause the shaft sleeve (242G) to press the spindle component (230G) along the lateral direction of the spindle component (230G), and is a vibration damping device (200G) as described in Appendix 1. [Additional note 31] The damping device (200G) according to appendix 30 further comprises at least one bearing (241G) fixedly disposed on the other of the connecting base (210G) and the wheelbase (220G). [Additional note 32] The vibration damping device (200G) according to appendix 30 further comprises a contact component (244G) disposed between the connecting base (210G) and the wheelbase (220G). [Additional note 33] The aforementioned suppression mechanism (240H) is equipped with a fixed base (241H), The fixed base (241H) is fixedly disposed on one of the connecting base (210H) and the wheelbase (220H), and is a sleeve on the spindle component (230H). The housing hole (211H) is provided on the other of the connection base (210H) and the wheelbase (220H), The fixed base (241H) is a vibration damping device (200H) as described in Appendix 1, which fits tightly into the housing hole (211H). [Additional note 34] The aforementioned fixed base (241H) comprises a fixed main body (2411H) and at least one elastic contact portion (2412H), The vibration damping device (200H) according to Appendix 33, wherein at least one elastic contact portion (2412H) contacts the wall of the housing hole (211H) and is elastically deformed when the fixed base (241H) is tightly fitted into the housing hole (211H). [Explanation of symbols]

[0102] 100A... Pediatric carrier 101A...frame 102A... Wheel 200A... Vibration damping device 210A…Connection base 220A…Wheelbase 230A...Spindle components 231A…recess 240A…Suppression mechanism 241A... Damping component 2411A...Through hole 2412A…Protrusion 242A...Bearing 243A…Fixed component 100B...Pediatric carrier 101B...frame 102B... Wheel 200B... Vibration damping device 210B…Connection base 220B…Wheelbase 230B...Spindle components 231B…recess 240B…Suppression mechanism 241B...Elastic component 242B...Pressure component 243B...Positioning column section 244B…Engagement component 2441B…Long hole 2442B…Protrusion 245B... Recovery component 100C... Pediatric carrier 101C...frame 102C...wheel 200C... Vibration damping device 210C…Connection base 220C…wheelbase 230C... Spindle component 240C…Suppression mechanism 241C...Pressure component 2431C...First gear 2432C... Second gear 244C…Fixed part 100D... Pediatric carrier 101D...frame 102D... Wheel 200D... Vibration damping device 210D…Connection base 220D…Wheelbase 230D... Spindle component 231D…recess 240D…Suppression mechanism 242D... Mounted components 244D... Damping block 2441D…Protrusion 245D... Recovery component 246D...Positioning column section 250D…Buffer component 100E... Pediatric carrier 101E...frame 102E... Wheel 200E... Vibration damping device 210E…Connection base 220E…Wheelbase 230E...Spindle component 231E…Suppression part 232E…Extension part 240E…Suppression mechanism 241E... Rotating sleeve 242E... Damping plate 100F... Pediatric carrier 102F... Wheel 200F... Vibration damping device 210F…Connection base 220F…Wheelbase 230F...Spindle component 240F…Suppression mechanism 241F... Covering component 2411F... Notch 100G... Pediatric carrier 101G...frame 102G... Wheel 200G... Vibration damping device 210G…Connection Base 220G…Wheelbase 230G... Spindle component 240G…Suppression mechanism 241G…Bearing 242G… Shaft sleeve 243G... Elastic component 244G…Abutment component 100H... Pediatric carrier 101H...frame 102H... Wheel 200H... Vibration damping device 210H…Connection base 211H... Containment port 220H…Wheelbase 230H... Spindle component 240H…Suppression mechanism 241H... Fixed base 2411H... Fixed main body 2412H…Elastic contact part

Claims

1. In a vibration damping device (200E) adapted for the wheels (102E) of a pediatric carrier (100E), A connection base (210E) connected to the frame (101E) of the pediatric carrier (100E), A wheelbase (220E) connected to the wheel (102E) of the pediatric carrier (100E), A spindle component (230E) is fixedly connected to one of the connection base (210E) and the wheelbase (220E), and rotatably connected to the other of the connection base (210E) and the wheelbase (220E), A suppression mechanism (240E) configured to suppress the vibrational motion of the wheelbase (220E) relative to the connecting base (210E), Equipped with, The aforementioned suppression mechanism (240E) comprises a rotating sleeve (241E) and a block plate (243E), The rotating sleeve (241E) is fixedly disposed on the other of the connecting base (210E) and the wheelbase (220E). The spindle component (230E) penetrates the rotating sleeve (241E) and is rotatable relative to the rotating sleeve (241E), A vibration damping device (200E) is provided, wherein the spindle component (230E) penetrates the block plate (243E), and the block plate (243E) is positioned between the wheelbase (220E) and the connecting base (210E) to suppress the vibration motion of the wheelbase (220E) relative to the connecting base (210E) along the horizontal direction.

2. The vibration damping device (200E) according to claim 1, wherein the spindle component (230E) is fixedly connected to the connection base (210E), the rotating sleeve (241E) is fixedly disposed on the wheelbase (220E), and the block plate (243E) is positioned between the rotating sleeve (241E) and the connection base (210E) and between the wheelbase (220E) and the connection base (210E).

3. The damping mechanism (240E) further comprises a damping plate (242E), the damping plate (242E) being disposed on the spindle component (230E) and pressing the rotating sleeve (241E) along the axial direction of the spindle component (230E), as described in claim 1, the vibration damping device (200E).

4. The vibration damping device (200E) according to claim 3, wherein the spindle component (230E) comprises a suppression portion (231E) and an extension portion (232E), the rotating sleeve (241E) has a through hole for insertion of the extension portion (232E), the suppression portion (231E) is for suppressing the insertion length of the extension portion (232E) into the through hole, the damping plate (242E) is positioned between the suppression portion (231E) and the rotating sleeve (241E), and the extension portion (232E) passes through the through hole and is connected to one of the connecting base (210E) and the wheelbase (220E).

5. The vibration damping device (200E) according to claim 1, wherein the spindle component (230E) comprises a suppression portion (231E) and an extension portion (232E), the rotating sleeve (241E) has a through hole for insertion of the extension portion (232E), the suppression portion (231E) is for suppressing the insertion length of the extension portion (232E) into the through hole, and the extension portion (232E) passes through the through hole and is connected to one of the connecting base (210E) and the wheelbase (220E).

6. The vibration damping device (200E) according to claim 5, wherein the rotating sleeve (241E) further comprises a rotating portion (2412E), the other of the connecting base (210E) and the wheelbase (220E) includes an introduction hole (221E) for enabling insertion of the extending portion (232E) and the rotating portion (2412E), and the rotating portion (2412E) is positioned between the extending portion (232E) and the other of the connecting base (210E) and the wheelbase (220E).

7. The vibration damping device (200E) according to claim 6, wherein the rotating sleeve (241E) further includes a contact portion (2411E), the contact portion (2411E) is exposed outside the introduction hole (221E), and the contact portion (2411E) and the rotating portion (2412E) are integrally formed with each other.

8. The vibration damping device (200E) according to claim 6, wherein the rotating sleeve (241E) further includes a contact portion (2411E), the contact portion (2411E) and the suppression portion (231E) are exposed outside the introduction hole (221E), the suppression mechanism (240E) further comprises a damping plate (242E), the damping plate (242E) is positioned between the contact portion (2411E) and the suppression portion (231E), and the damping plate (242E) presses the rotating sleeve (241E) along the axial direction of the spindle component (230E).

9. The vibration damping device (200E) according to claim 1, wherein the rotating sleeve (241E) includes a contact portion (2411E), and the contact portion (2411E) is configured to contact the other of the connecting base (210E) and the wheelbase (220E) along the vertical direction.

10. The vibration damping device (200E) according to claim 1, wherein the spindle component (230E) is configured as a hollow pipe.

11. The vibration damping device (200E) according to claim 1, wherein the rotating sleeve (241E) is made of a plastic material and is configured to be elastically deformable.

12. The vibration damping device (200E) further comprises a brake component (250E) and a shock absorbing section (260E), wherein the brake component (250E) is operable to contact the wheel (102E) to reduce the rotational speed of the wheel (102E), and the shock absorbing section (260E) is positioned below the brake component (250E) and is elastic to prevent the wheel (102E) from vibrating the wheelbase (220E) in the vertical direction relative to the connecting base (210E), as described in claim 1.

13. The vibration damping device (200E) according to claim 12, wherein the shock absorbing part (260E) is made of a plastic material.

14. The vibration damping device (200E) according to claim 12, wherein the shock absorbing portion (260E) comprises at least one buffer portion (261E) for improving the shock absorbing effect of the shock absorbing portion (260E), and the buffer portion has an elliptical structure, a circular structure or a quadrilateral structure.

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