Folding system and child carrier
The folding system for child carriers includes a locking mechanism and safety lock to prevent accidental folding, addressing the safety risk of unintentional operation, ensuring the carrier remains locked unless intentionally unlocked, thus enhancing safety.
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- WONDERLAND SWITZERLAND AG
- Filing Date
- 2024-05-15
- Publication Date
- 2026-05-27
Smart Images
Figure 2026517014000001_ABST
Abstract
Description
Technical Field
[0005] , ,
[0001] This application relates to the field of child product technology, and more particularly, to a folding system and a child carrier.
Background Art
[0002] Child carriers such as baby strollers usually have a folding system for folding the child carrier small for easy carrying and transportation. To facilitate operation by the user, the operation part of the folding system is generally arranged at a position with a large operable volume and easily accessible to the user. For example, the operation part is a flexible pull rope arranged on the seat plate.
[0003] However, there is a risk that the child carrier may be accidentally folded due to unintentional contact with the operation part, which poses a potential safety problem for the user. For example, when a child is sitting in the child carrier, if the child accidentally touches the operation part, the child carrier may be accidentally folded, and the child may be trapped in the folded child carrier. In extreme cases, the child may be injured.
Summary of the Invention
[0004] Based on this, in order to solve the above technical problems, it is necessary to provide a folding system that can prevent accidental folding caused by unintentional contact with the operation part and a child carrier equipped with the same.
[0005] According to one aspect of the present invention, a folding system for a child carrier is provided, comprising at least a handlebar and a front leg pivotably connected to it. The folding system comprises a first locking mechanism connected to at least the handlebar and the front leg, a first operating unit connected to the first locking mechanism for switching the first locking mechanism from a locked state to an unlocked state, wherein in the locked state, the first locking mechanism restricts relative pivoting between the handlebar and the front leg, and in the unlocked state, the first locking mechanism allows relative pivoting between the handlebar and the front leg, and a safety locking mechanism connected to the first locking mechanism, which is switchable between a fixed state and a free state, wherein in the fixed state, the safety locking mechanism prevents the first locking mechanism from switching to an unlocked state, and in the free state, the safety locking mechanism allows the first locking mechanism to switch to an unlocked state.
[0006] In a folding system according to one embodiment of this application, a safety lock mechanism is provided to prevent the child carrier from being accidentally folded due to unintentional contact with the first operating part, thereby improving the safety of the child carrier.
[0007] In one embodiment, the first locking mechanism includes a drive member pivotably positioned on the child carrier, a drive member connected to a first operating unit and a safety locking mechanism, configured to be pivotally driven by the first operating unit, preventing the drive member from pivoting when the safety locking mechanism is in a fixed state, and allowing the drive member to pivot when the safety locking mechanism is in a free state, and a transmission member connected to the drive member, wherein the transmission member is displaced by the pivoting of the drive member, and the first locking mechanism switches from a locked state to an unlocked state due to the vertical downward displacement of the transmission member.
[0008] In one embodiment, the drive member comprises a first support column connected to a transmission member and a first recess, wherein at least a portion of the safety lock mechanism enters the first recess to prevent the drive member from pivoting, or exits the first recess to allow the drive member to pivot.
[0009] In one embodiment, the transmission member is provided with a second recess, and the first support column is connected to the second recess.
[0010] In one embodiment, the first locking mechanism further comprises a release member connected to a transmission member and a first locking member connected to the release member, the first locking member being lockably connected to the handlebars and front legs. The first locking member is slidable between a first position and a second position, in the first position, the first locking member restricts relative pivoting between the handlebars and front legs, and the first locking mechanism is locked. In the second position, the first locking member allows relative pivoting between the handlebars and front legs, and the first locking mechanism is unlocked. Displacement of the transmission member displaces the release member, and displacement of the release member slides the first locking member from the first position to the second position.
[0011] In one embodiment, the first locking mechanism further comprises a handlebar connecting member fixedly connected to the handlebar and having a first storage section, and a front leg connecting member fixedly connected to the front leg and having a second storage section. The handlebar connecting member and the front leg connecting member are pivotally connected, and the first storage section and the second storage section form a locking member storage section, and the first locking member is slidably disposed within the locking member storage section. In the first position, the first locking member engages simultaneously with the handlebar connecting member and the front leg connecting member to restrict the relative pivoting of the handlebar and the front leg. In the second position, the first locking member is separated from at least one of the handlebar connecting member and the front leg connecting member, allowing the relative pivoting of the handlebar and the front leg.
[0012] In one embodiment, the first connecting column is positioned on the side of the unlocking member away from the first locking member, the transmission member is provided with a first connecting hole, and the first connecting column is inserted into the first connecting hole to connect the unlocking member to the transmission member.
[0013] In one embodiment, the unlocking member has a first inclined surface, and the first locking member has a second inclined surface. The first and second inclined surfaces are in contact with each other, and when the drive member is displaced and the unlocking member is displaced, the first inclined surface presses against the second inclined surface, causing the first locking member to slide away from the unlocking member, the first locking member slides from a first position to a second position, and the first locking member moves away from the front leg connecting member.
[0014] In one embodiment, a first tooth is provided on the inner wall of the first storage section, a second tooth is provided on the inner wall of the second storage section, and a third tooth is provided on the outer circumference of the first locking member. In the first position, the third tooth engages simultaneously with the first and second teeth to restrict the relative pivot movement between the handlebar and the front leg. In the second position, the third tooth disengages from the second tooth, allowing the relative pivot movement between the handlebar and the front leg.
[0015] In one embodiment, a second connecting column is positioned in the second storage section, a second connecting hole is provided in the first locking member, and the first locking member is slidably connected to the front leg connecting member by inserting the second connecting column into the second connecting hole.
[0016] In one embodiment, the folding system further comprises a first reset member positioned between a first locking member and a handlebar connecting member, the first reset member biasing the first locking member toward a first position.
[0017] In one embodiment, the first locking mechanism further comprises an armrest holder pivotably connected to a child carrier and provided with a locking hole, and a second locking member connected to a transmission member, the second locking member being movable between a third position and a fourth position, wherein in the third position the second locking member engages with the locking hole to restrict the pivoting of the armrest holder, and in the fourth position the second locking member moves away from the locking hole to allow the pivoting of the armrest holder, wherein the transmission member is displaced by the pivoting of the drive member, and the second locking member is displaced from the third position to the fourth position by the displacement of the transmission member.
[0018] In one embodiment, the transmission member includes a connecting rod, the connecting rod having a protrusion. The connecting rod is sleeve-fitted to a second locking member, the second locking member having a through groove, and the protrusion extends through the through groove. When the transmission member is driven and displaced by the drive member, the protrusion presses against the through groove, moving the second locking member from a third position to a fourth position.
[0019] In one embodiment, the folding system further comprises a second reset member positioned between a second locking member and at least a portion of a transmission member, which biases the second locking member toward a third position.
[0020] In one embodiment, the first locking mechanism further comprises an armrest holder pivotably connected to a front leg connecting member away from a handle connecting member and having a locking hole, and a second locking member connected to a transmission member, the second locking member being movable between a third position and a fourth position, in the third position the second locking member engaging with the locking hole to restrict the pivoting of the armrest holder, and in the fourth position the second locking member moving away from the locking hole to allow the pivoting of the armrest holder, wherein the transmission member is displaced by the pivoting of the drive member, and the second locking member is displaced from the third position to the fourth position by the displacement of the transmission member.
[0021] In one embodiment, the transmission member includes a connecting rod, the connecting rod having a protrusion, and the connecting rod is positioned between a second recess and a first connecting hole. The connecting rod is sleeve-fitted to a second locking member, the second locking member having a through groove, the protrusion extending through the through groove, and when the transmission member is driven and displaced by the drive member, the protrusion presses against the through groove, moving the second locking member from a third position to a fourth position.
[0022] In one embodiment, the folding system further comprises a second reset member positioned between a second locking member and a second recess, one end of the second reset member abutting against the second locking member and the other end of the second reset member abutting against the second recess, and the second reset member biases the second locking member toward a third position.
[0023] In one embodiment, the safety lock mechanism includes a second operating portion pivotally disposed on the child carrier and a pressing member pivotally disposed on the child carrier. The first end of the pressing member is operatively connected to the second operating portion, and the second end of the pressing member opposite to the first end is capable of entering or exiting a first recess of the driving member. In the fixed position, the second end of the pressing member enters the first recess, and the safety lock mechanism is in a fixed state. In the free position, the second end of the pressing member exits the first recess, and the safety lock mechanism is in a free state.
[0024] In one embodiment, the second operating portion includes a third inclined surface, and a fourth inclined surface is provided at the first end of the pressing member. When the second operating portion is pivoted from the fixed position to the free position, the third inclined surface presses the fourth inclined surface to pivot the pressing member, the second end exits the first recess, and the safety lock mechanism switches to the free state.
[0025] In one embodiment, a second support column is provided at the second end of the pressing member, and the second support column is capable of entering or exiting the first recess of the driving member.
[0026] In one embodiment, the folding system further includes a third reset member. One end of the third reset member abuts against the child carrier, the other end of the third reset member abuts against the pressing member, and the third reset member biases the pressing member in a direction in which the second end enters the first recess.
[0027] According to another aspect of the present application, a child carrier is provided, which includes a folding system according to any of the above embodiments, a handlebar, and a front leg pivotally connected to the handlebar.
[0028] In one embodiment, the child carrier further includes a seat plate, a driving member pivotally disposed on the seat plate, a second operating portion, and a pressing portion.
[0029] In one embodiment, the child carrier further includes an armrest removably connected to an armrest holder.
[0030] The above and other objects, features, and advantages of the present application will become more apparent from the following detailed description of the preferred embodiments of the present application shown in the accompanying drawings. Throughout the drawings, the same reference numerals refer to the same parts, and the drawings are not drawn to scale intentionally, with emphasis placed on explaining the subject matter of the present application.
[0031] Other features, objects, and advantages of the present application will become more apparent by reading the detailed description of the non-limiting embodiments made while referring to the following drawings.
Brief Description of the Drawings
[0032] [Figure 1] It is a schematic perspective view of a child carrier according to an embodiment of the present application, and the child carrier is in a deployed state. [Figure 2] It is a schematic perspective view of the child carrier in FIG. 1 viewed from another perspective. [Figure 3] It is a schematic perspective view of the child carrier in FIG. 1 in a partially folded state. [Figure 4] It is a partial exploded view of a child carrier according to an embodiment of the present application. [Figure 5] It is a partial enlarged view of part A in FIG. 4. [Figure 6] It is a partial enlarged view of part B in FIG. 4. [Figure 7a] It is a schematic structural view of a unlocking member. [Figure 7b] It is a schematic structural view of a first locking member. [Figure 8] It is a partial exploded view of a child carrier according to an embodiment of the present application, in which the seat plate and the front leg connecting member are omitted, and the first locking mechanism is in a locked state. [Figure 9] It is a partial enlarged view of part C in FIG. 8. [Figure 10]This is a partially exploded view of a child carrier according to one embodiment of the present application, in which the seat plate and front leg connecting member are omitted and the first locking mechanism is in the unlocked state. [Figure 11] This is a magnified view of part D of Figure 10. [Figure 12] This is a cross-sectional view along the ZZ line in Figure 2, where part of the child carrier structure is omitted and the first locking mechanism is in the locked position. [Figure 13] Figure 12 is a schematic diagram showing the unlocked state of the first locking mechanism. [Figure 14a] This is a schematic bottom perspective view of a child carrier according to one embodiment of the present application. [Figure 14b] This is a magnified view of part E in Figure 14a. [Figure 15] This is a schematic perspective view of a child carrier according to one embodiment of the present application, in which part of the seat plate structure is omitted. [Figure 16] This is a magnified view of section F of Figure 15. [Figure 17a] This is a bottom view of a child carrier according to one embodiment of the present application, with the safety lock mechanism in a fixed position. [Figure 17b] This is a magnified view of section G in Figure 17a. [Figure 18] This is a schematic perspective view of a child carrier according to one embodiment of the present application, in which part of the seat plate structure is omitted. [Figure 19] This is a magnified view of part H of Figure 18. [Figure 20a] This is a bottom view of a child carrier according to one embodiment of the present application, with the safety lock mechanism in a free state. [Figure 20b] This is a magnified view of part I of Figure 20a. [Figure 21] This is a side view of a child carrier according to one embodiment of the present application, in a folded state. [Figure 22] This is a schematic perspective view of a child carrier according to an embodiment of the present application, with the second locking member in the third position. [Figure 23]This is a magnified view of part J in Figure 22. [Figure 24] This is a schematic perspective view of a child carrier according to an embodiment of the present application, with the second locking member in the fourth position. [Figure 25] This is a magnified view of section K in Figure 24. [Explanation of Symbols]
[0033] 1: Child carrier, 10: Handlebars, 20: Front legs, 30: Seat plate, 40: Armrests, 50: Rear legs.
[0034] 100: Folding system, 110: First locking mechanism, 111: Drive member, 112: Transmission member, 113: Unlocking member, 114: First locking member, 115: Handlebar connection member, 116: Front leg connection member, 117: Locking member storage section, 118: Armrest holder, 119: Second locking member, 120: First operating section, 130: Safety locking mechanism, 140: First reset member, 150: Second reset member, 160: Third reset member, 301: Mounting cover, 302: Connection section, 303: Operating hole.
[0035] 1111: First support column, 1112: First recessed hole, 1121: Second recessed hole, 1122: First connecting hole, 1123: Connecting rod, 1124: Protrusion, 1131: First connecting column, 1132: First inclined surface, 1141: Second inclined surface, 1142: Third tooth, 1143: Second connecting hole, 1151: First storage section, 1152: First tooth, 1161: Second storage section, 1162: Second tooth, 1163: Second connecting column, 1164: First through hole, 1181: Locking hole, 1191: Through groove, 1301: Second operating section, 1302: Pressing member, 1303: Third inclined surface, 1304: Fourth inclined surface, 1305: Second support column, 3021: Connecting groove, 3023: Second through hole. [Modes for carrying out the invention]
[0036] To facilitate understanding of this application, the application will be described in more detail below with reference to the accompanying drawings. Preferred embodiments of this application are shown in the drawings. However, this application can be carried out in a variety of forms and is not limited to the embodiments described herein. Rather, these embodiments are provided only to make the disclosure of this application more thorough and complete.
[0037] When an element is considered to be "connected" to another element, it should be noted that this may mean that the elements are directly connected and combined, or that an intermediate element exists. The terms "attached," "one end," and "the other end" used herein are for illustrative purposes only.
[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art. Terms used herein are for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" as used herein includes any combination of one or more related enumerations.
[0039] Referring to Figures 1 to 3 and Figure 21, Figure 1 is a schematic perspective view of a child carrier according to one embodiment of the present application, in an unfolded state. Figure 2 is a schematic perspective view of the child carrier of Figure 1 from a different viewpoint. Figure 3 is a schematic perspective view of the child carrier of Figure 1 in a partially folded state. Figure 21 is a side view of the child carrier according to one embodiment of the present application, in a folded state. In the embodiments shown in Figures 1 to 3, the child carrier 1, such as a child safety seat, comprises a handlebar 10, front legs 20, a seat plate 30, armrests 40, and rear legs 50. The front legs 20 and rear legs 50 are pivotably connected to the handlebar 10. The armrests 40 and seat plate 30 are pivotably connected to the front legs 20. Child carrier 1 is further equipped with a folding system 100, which allows the child carrier to be folded from the unfolded state shown in Figure 1, through the partially folded state shown in Figure 3, to the fully folded state shown in Figure 21.
[0040] In the embodiments shown in Figures 1 to 3, the folding system 100 comprises a first locking mechanism 110, a first operating unit 120, and a safety locking mechanism 130. The first locking mechanism 110 is connected to at least the handlebars 10 and the front legs 20, and is switchable between a locked state and an unlocked state. The first operating unit 120 is operably connected to the first locking mechanism 110 and is configured to switch the first locking mechanism 110 from the locked state to the unlocked state. In the locked state, the first locking mechanism 110 restricts the relative pivoting between the handlebars 10 and the front legs 20. In the unlocked state, the first locking mechanism 110 allows relative pivoting between the handlebars 10 and the front legs 20. The safety locking mechanism 130 is operably connected to the first locking mechanism 110 and is switchable between a fixed state and a free state. In the fixed state, the safety lock mechanism 130 prevents the first lock mechanism 110 from being switched to the unlocked state. In the free state, the safety lock mechanism 130 allows the first lock mechanism 110 to be switched to the unlocked state. In this embodiment, by providing the safety lock mechanism 130, the risk of the child carrier 1 being accidentally folded due to unintentional contact with the first operating part 120 is avoided, thereby improving the safety of the child carrier 1. Specifically, when in use, the user can switch the safety lock mechanism 130 to the free state, and then operate the first operating part 120 to switch the first lock mechanism 110 to the unlocked state, thereby folding the child carrier 1. If the user does not switch the safety lock mechanism 130 to the free state, even if the first operating unit 120 is operated, for example, if a child sitting in the child carrier 1 unintentionally comes into contact with the first operating unit 120, the first lock mechanism 110 will not be switched from the locked state to the unlocked state by the first operating unit 120, and the child carrier 1 will not be folded.
[0041] In the embodiment shown in Figure 1, the first operating section 120 may be a flexible pull rope that passes through an operating hole 303 provided in the seat plate 30 and is operatively connected to the first locking mechanism 110 (see Figures 14a and 14b). However, this is merely an example, and those skilled in the art may select other suitable structures as the first operating section 120, such as a pull rod or a brace, as needed, but this application is not limited to these.
[0042] Referring to Figures 4 to 6, Figure 4 is a partially exploded view of a child carrier according to one embodiment of the present application, Figure 5 is a partially enlarged view of part A of Figure 4, and Figure 6 is a partially enlarged view of part B of Figure 4. In the embodiment shown in Figure 4, the first locking mechanism 110 comprises a drive member 111 and a transmission member 112. The drive member 111 is pivotably positioned in the child carrier 1, for example, pivotably positioned below the seat plate 20. The drive member 111 is operatively connected to a first operating unit 120 and a safety lock mechanism 130. The drive member 111 is driven by the first operating unit 120 and pivots along L1. When the safety lock mechanism 130 is in a fixed state, the safety lock mechanism 130 prevents the drive member 111 from pivoting. When the safety lock mechanism 130 is in a free state, the safety lock mechanism 130 allows the drive member 111 to pivot. The transmission member 112 is operatively connected to the drive member 111. The pivoting of the drive member 111 causes the transmission member 112 to be displaced vertically (i.e., in the H1 direction) downward, and this vertical downward displacement of the transmission member 112 causes the first locking mechanism 110 to switch from a locked state to an unlocked state.
[0043] A connecting ring 1113 is provided on the drive member 111, and the first operating part 120 extends from the end of the operating hole 303 and is connected to the connecting ring 1113. Those skilled in the art will understand that the connecting ring 1113 is merely illustrative, and that other suitable connecting structures such as connecting hooks or connecting rods can be selected to connect the first operating part as needed.
[0044] In the embodiment shown in Figure 4, the drive member 111 comprises a first support column 1111 and a first recessed hole 1112. The first support column 1111 is connected to a transmission member 112, and at least a portion of the safety lock mechanism 130 enters or exits the first recessed hole 1112. The transmission member 112 extends vertically, and a second recessed hole 1121 is provided at one end of the transmission member 112, and the first support column 1111 enters the second recessed hole 1121 and is connected to the transmission member 112. When the user lifts the first operating unit 120 upward, the drive member 111 pivots downward, and the first support column 1111 displaces the transmission member 112 vertically downward through the second recessed hole 1121.
[0045] Continuing to refer to Figures 4 to 6, the first locking mechanism 110 further comprises a release member 113 and a first locking member 114. The release member 113 is connected to a transmission member 112, and the first locking member 114 is operably connected to the release member 113. The first locking member 114 is lockably connected to the handlebar 10 and the front leg 20. The first locking member 114 is slidable between a first position and a second position. In the first position, the first locking member 114 restricts the relative pivot of the handlebar 10 and the front leg 20, and the first locking mechanism 110 is locked. In the second position, the first locking member 114 allows the relative pivot of the handlebar 10 and the front leg 20, and the first locking mechanism 110 is unlocked. The vertical downward displacement of the transmission member 112 causes the unlocking member 113 to be displaced vertically downward, and the vertical downward displacement of the unlocking member 113 causes the first locking member 114 to slide from the first position to the second position.
[0046] Furthermore, the seat plate 30 is provided with a connecting portion 302 and a mounting cover 301. The connecting portion 302 includes a connecting groove 3021, and the mounting cover 301 covers the connecting groove 3021. The transmission member 120 is positioned on the side of the mounting cover 301 facing the connecting groove 3021, so that at least a portion of the transmission member 120 is housed within the connecting groove 3021. A first connecting hole 1122 is provided at the end of the transmission member 120 opposite to the end where the second recessed hole 1121 is provided, and a first connecting column 1131 is provided on the unlocking member 113 on the side away from the first locking member 114. The first connecting column 1131 is inserted into the first connecting hole 1122, thereby permanently connecting the transmission member 120 to the unlocking member 113.
[0047] Specifically, when the user pulls the first operating part 120, the drive member 111 swings, causing the first support column 1111 to displace the transmission member 112 vertically downward through the second recessed hole 1121. The vertical downward displacement of the transmission member 112 causes the unlocking member 113 to displace vertically downward. As the unlocking member 113 displaces vertically downward, it presses against the first locking member 114, thereby forcibly moving the first locking member 114 from the first position to the second position. As a result, the first locking mechanism 110 becomes unlocked, and the child carrier 1 is allowed to be folded.
[0048] Referring to Figure 6, the first locking mechanism 110 further comprises a handlebar connecting member 115 and a front leg connecting member 116. The handlebar connecting member 115 is fixedly connected to the handlebar 10 and is provided with a first storage section 1151. The front leg connecting member 116 is fixedly connected to the front leg 20 and is provided with a second storage section 1161. The handlebar connecting member 115 is pivotably connected to the front leg connecting member 116, and the first and second storage sections 1151 and 1161 cooperate to form a locking member storage section 117, and the first locking member 114 is slidably positioned within the locking member storage section 117. In the first position, the first locking member 114 engages simultaneously with both the handlebar connecting member 115 and the front leg connecting member 116, restricting the relative pivoting between the handlebar 10 and the front leg 20. In the second position, the first locking member 114 moves away from at least one of the handlebar connecting member 115 and the front leg connecting member 116, allowing relative pivoting between the handlebar 10 and the front leg 20.
[0049] Specifically, when the first locking member 114 moves from the first position to the second position, the first locking member 114 separates from the front leg connecting member 116, allowing relative pivoting between the handlebar 10 and the front leg 20. Optionally, the first locking member 114 may separate from the handlebar connecting member 115.
[0050] Furthermore, a first reset member 140 is positioned between the first locking member 114 and the handlebar connecting member 115, and the first reset member 140 biases the first locking member 114 toward the first position. Specifically, the first reset member 140 is a spring. Optionally, the first reset member 140 may be any other suitable structure, such as a torsion spring or an elastic sheet, as long as it satisfies the requirement of biasing the first locking member 114 toward the first position.
[0051] Furthermore, the seat plate 30 is further provided with an annular connection portion 3022, the front leg connecting member 116 is connected to one side of the annular connection portion 3022, and the armrest holder 118 is pivotally connected to the other side of the annular connection portion 3022. The armrest holder 118 is configured to be connected to the armrest 40, as will be described later.
[0052] Furthermore, the annular connecting portion 3022 is positioned above the connecting groove 3021, and the annular connecting portion 3022 is provided with a second through hole 3023, so the connecting groove 3021 is in communication with the annular connecting portion 3022. The front leg connecting member 116 is provided with a first through hole 1164, which is in communication with the second storage portion 1161, and therefore in communication with the locking member storage portion 117. When the front leg connecting member 116 is connected to the annular connecting portion 3022, the first through hole 1164 is aligned with the second through hole 3023, so that the transmission member 120 housed in the connecting groove 3021 enters the second storage portion 1161 through the first through hole 1164 and the second through hole 3023, and is connected to the lock release member 113.
[0053] Referring to Figures 7a and 7b, Figure 7a is a schematic diagram of the unlocking member, and Figure 7b is a schematic diagram of the first locking member. The unlocking member 13 includes a first inclined surface 1132. The first locking member 114 includes a second inclined surface 1141. The first inclined surface 1132 and the second inclined surface 1141 are in contact with each other, and the first inclined surface 1132 and the second inclined surface 1141 are configured such that when the unlocking member 13 is displaced vertically downward, the first inclined surface 1132 presses against the second inclined surface 1141, thereby causing the first locking member 114 to slide away from the unlocking member 13, the first locking member 114 to slide from a first position to a second position, the first locking member 114 to move away from the front leg connecting member 116, and as a result, the first locking mechanism 110 is switched from a locked state to an unlocked state.
[0054] Referring further to Figures 6 to 9 and Figure 12, Figure 8 is a partially exploded view of a child carrier according to one embodiment of the present application, in which the seat plate and front leg connecting member are omitted and the first locking mechanism is shown in the locked state. Figure 9 is a partially enlarged view of part C of Figure 8, and Figure 12 is a cross-sectional view along the ZZ line in Figure 2, in which part of the structure of the child carrier is omitted and the first locking mechanism is shown in the locked state. The first storage section 1151 is a substantially cylindrical cavity, and the inner wall of the first storage section 1151 is provided with first teeth 1152, which are arranged at equal intervals along the circumferential direction of the first storage section 1151. The second storage section 1161 is a substantially cylindrical cavity, and the inner wall of the second storage section 1161 is provided with second teeth 1162, which are arranged at equal intervals along the circumferential direction of the second storage section 1161. The first locking member 114 has a substantially cylindrical structure, and a third tooth 1142 is provided on the outer circumference of the first locking member 114, with the third tooth 1142 arranged at equal intervals along the circumferential direction of the first locking member 114. The coefficients of the first tooth 1152, the second tooth 1162, and the third tooth 1142 are set so that the first tooth 1152 can mesh with the second tooth 1162 and the third tooth 1142.
[0055] In the embodiment shown in Figure 12, a second connecting column 1163 is arranged inside the second storage section 1161, and a second connecting hole 1143 is provided in the first locking member 114. By inserting the second connecting column 1163 into the second connecting hole 1143, the first locking member 114 is slidably connected to the front leg connecting member 116. The first locking member 114 is slidable between a first position and a second position along the axial direction of the second connecting column 1163. Specifically, due to the action of the first resetting member 140, the first locking member 114 is in the first position, and the third tooth 1142 is simultaneously engaged with both the first tooth 1152 and the second tooth 1162, thereby restricting the relative pivot of the handlebar connecting member 115 and the front leg connecting member 116, and as a result, restricting the relative pivot of the handlebar 10 and the front leg 20.
[0056] See also Figures 6, 7a, 7b, 10, 11, and 13, Figure 10 is a partially exploded view of a child carrier according to one embodiment of the present application, with the seat plate and front leg connecting member omitted and the first locking mechanism in the unlocked state. Figure 11 is a partially enlarged view of part D of Figure 10, and Figure 13 is a schematic diagram showing the unlocked state of the first locking mechanism of Figure 12. When the user pulls the first operating part 120, the drive member 111 pivots about axis L1, thereby displacing the transmission member 112 vertically (i.e. along direction H1) downward, and further displacing the unlocking member 113 vertically (i.e. along direction H1) downward. By pressing the second inclined surface 1141 with the first inclined surface, the first locking member 114 slides away from the unlocking member 113, and the first locking member 114 slides from a first position to a second position along the axial direction of the second connecting column 1163. At this time, the third tooth 1142 separates from the second tooth 1162, allowing relative pivoting between the handlebar connecting member 115 and the front leg connecting member 116, thereby allowing relative pivoting between the handlebar 10 and the front leg 20.
[0057] Referring to Figures 15, 16, and 22-25, Figure 15 is a schematic perspective view of a child carrier according to one embodiment of the present application, with some parts of the seat plate structure omitted. Figure 16 is a partially enlarged view of part F of Figure 15. Figure 22 is a schematic perspective view of a child carrier according to one embodiment of the present application, with the second locking member 119 in the third position. Figure 23 is a partially enlarged view of part J of Figure 22. Figure 24 is a schematic perspective view of a child carrier according to one embodiment of the present application, with the second locking member 119 in the fourth position. Figure 25 is a partially enlarged view of part K of Figure 22. The first locking mechanism 110 further comprises an armrest holder 118 and a second locking member 119. The armrest holder 118 is pivotably connected to the side of the front leg connecting member 116 away from the handlebar connecting member 115, and the armrest holder 118 is provided with a locking hole 1181 (see Figure 23). The second locking member 119 is connected to the transmission member 112 and is movable vertically between a third position and a fourth position. In the third position, the second locking member 119 engages with the lock hole 1181 to restrict the pivoting of the armrest holder 118. In the fourth position, the second locking member 119 moves away from the lock hole 1181, allowing the armrest holder 118 to pivot. The pivoting of the drive member 111 displaces the transmission member 112 downward in the pushing direction (i.e., direction H1), and the vertical downward displacement of the transmission member 112 moves the second locking member 119 from the third position to the fourth position.
[0058] Referring again to Figure 5, the transmission member 112 includes a connecting rod 1123, on which a protrusion 1124 is positioned, and the connecting rod 1123 is positioned between the second recessed hole 1121 and the first connecting hole 1122. The connecting rod 1123 is sleeve-fitted to the second locking member 119, which has a through groove 1191. The through groove 1191 extends vertically, and the protrusion 1124 passes through the through groove 1191. When the transmission member 112 is displaced downward in the vertical direction (i.e., direction H1), the protrusion 1124 presses against the through groove 1191, moving the second locking member 119 from the third position to the fourth position. Optionally, a second reset member 150 is positioned between the second locking member 119 and the second recessed hole 1121, with one end of the second reset member 150 in contact with the second locking member 119 and the other end in contact with the second recessed hole 1121, thereby biasing the second locking member 119 toward the third position. Specifically, the second reset member 150 is a spring. Optionally, the second reset member 150 may be any other suitable structure, such as a torsion spring or an elastic sheet, as long as it satisfies the requirement of biasing the second locking member 119 toward the third position.
[0059] Referring to Figures 15, 16, 17a, and 17b, Figure 17a is a bottom view of a child carrier according to one embodiment of the present application, with the safety lock mechanism in a fixed position. Figure 17b is a partially enlarged view of part G of Figure 17a. The safety lock mechanism 130 comprises a second operating part 1301 and a pressing member 1302. The second operating part 1301 is pivotably positioned on the child carrier 1. The second operating part 1301 is pivotable between a fixed position and a free position. Optionally, the second operating part 1301 is pivotably positioned on the seat plate 30, which makes it easier for the user to operate the second operating part 1301. Specifically, the second operating part 1301 is a button. Optionally, the second operating part 1301 may be other suitable structures such as a knob or dial, as long as it satisfies the requirement of being pivotable between a fixed position and a free position. The pressing member 1302 is pivotably positioned on the child carrier 1. Optionally, the pressing member 1302 is pivotably positioned below the seat plate 30. The pressing member 1302 is pivotally rotatable about a pivot axis L2. The pressing member 1302 has a rod-like structure, with its first end operatively connected to a second operating part 1301, and its second end, opposite to the first end, being able to enter or exit a first recessed hole 1112 of the drive member 111.
[0060] As shown in Figures 16 and 17b, the second operating section 1301 is in a fixed position, and the second end of the pressing member 1302 is located inside the first recessed hole 1112. At this time, the safety lock mechanism 130 is in a fixed state, and the pivoting of the drive member 111 around the pivot axis L1 is restricted.
[0061] Referring to Figures 18, 19, 20a, and 20b, Figure 18 is a schematic perspective view of a child carrier according to one embodiment of the present application, with part of the seat plate structure omitted. Figure 19 is a partially enlarged view of part H of Figure 18. Figure 20a is a bottom view of a child carrier according to one embodiment of the present application, with the safety lock mechanism in a free state. Figure 20b is a partially enlarged view of part I of Figure 20a. When the user presses the second operating part 1301, the second operating part 1301 enters a free position. The second operating part 1301 pivots the pressing member 1302 about the pivot axis L2, thereby moving the second end of the pressing member 1302 away from the first recessed hole 1112. At this time, the safety lock mechanism 130 is in a free state, and the driving member 111 is not restricted from pivoting about the pivot axis L1.
[0062] Comparing Figure 16 and Figure 19, the second operating section 1301 is equipped with a third inclined surface 1303, and a fourth inclined surface 1304 is provided at the first end of the pressing member 1302. When the second operating section 1301 pivots from a fixed position to a free position, the third inclined surface 1303 presses against the fourth inclined surface 1304, causing the pressing member 1302 to pivot, thereby causing its second end to retract from the first recessed hole 1112, and the safety lock mechanism 130 is switched to a free state. Optionally, a second support column 1305 is provided at the second end of the pressing member 1302, and the second support column 1305 can enter or exit the first recessed hole 1112 of the drive member 111. Optionally, a third reset member 1304 is provided, one end of which abuts against the child carrier 1 and the other end abuts against the pressing member 1302, and the third reset member 1304 biases the pressing member 1302 in a direction in which the second end of the pressing member 1302 enters the first recessed hole 1112. Optionally, the third reset member 1304 is positioned below the seat plate 30, one end of which abuts against the seat plate 30 and the other end abuts against the pressing member 1302. Specifically, the third reset member 1304 is a spring. Optionally, the third reset member 1304 may be any other suitable structure, such as a torsion spring or an elastic sheet, as long as it satisfies the requirement of biasing the second end of the pressing member 1302 in a direction in which it enters the first recessed hole 1112.
[0063] The operating principle of a child carrier 1 having a folding system 100 according to one embodiment of this application will be described with reference to Figures 1, 5, 6, 9, 11, 16, 19, 21, 23, and 25. The child carrier 1 shown in Figure 1 is in the unfolded state. When it is necessary to fold the child carrier 1, the user presses a second operating part 1301 (e.g., a button) located on the seat plate 30. The third inclined surface 1303 of the second operating part 1301 presses against the fourth inclined surface 1304 of the pressing member 1032, causing the pressing member 1032 to pivot about the pivot axis L2. As a result, the second support column 1305 provided at the second end of the pressing member 1302 moves away from the first recessed hole 1112, the safety lock mechanism 130 transitions from a safe state to a free state, and the driving member 111 is no longer restricted from pivoting about the pivot axis L1. Subsequently, when the user pulls the first operating part 120 (for example, a pull rope), the drive member 111 pivots around the axis L1, the transmission member 112 is displaced downward in the vertical direction (i.e., direction H1), and the unlocking member 113 is displaced downward in the vertical direction (i.e., direction H1). The second inclined surface 1141 is pressed by the first inclined surface 1132, causing the first locking member 114 to slide from a first position to a second position along the axial direction of the second connecting column 1163, and the third tooth 1142 separates from the second tooth 1162. As a result, the first locking mechanism 110 transitions from a locked state to an unlocked state, at which point relative pivoting between the handlebar 10 and the front leg 20 is permitted, and the user can fold the handlebar 10 and the front leg 20 of the child carrier 1. When the transmission member 112 is displaced vertically (i.e., along direction H1), the protrusion 1124 presses against the through groove 1191, causing the second locking member 119 to be displaced vertically (i.e., along direction H1). This causes the second locking member 119 to move away from the locking hole 1181, allowing the armrest holder 118 to pivot, and enabling the user to fold the armrest 40 of the child carrier 1. At this point, the child carrier 1 is in a folded state, and the user can fold the child carrier 1 to the final folded state shown in Figure 21.
[0064] In the child carrier 1 in the unfolded state shown in Figure 1, if the user pulls the first operating part 120 directly (for example, if a child sitting in the child carrier 1 accidentally pulls the first operating part 120) instead of pressing the second operating part 1301 to move the safety lock mechanism 130 from the fixed state to the free state, the second support column 1305 provided at the second end of the pressing member 1302 is located within the first recessed hole 1112 of the drive member 111, thereby restricting the drive member 111 from pivoting around the pivot axis L1. Consequently, the transmission member 112 cannot be displaced downward in the vertical direction (i.e., along direction H1), the first lock mechanism 110 cannot move from the locked state to the unlocked state, and the second lock member 119 cannot move away from the lock hole 1181. As a result, the child carrier 1 cannot be moved to the folded state.
[0065] In the folding system 100 and child carrier 1 according to each embodiment of this application, the safety lock mechanism 130 is provided to avoid the risk of the child carrier 1 being accidentally folded due to unintentional contact with the first operating part 120, thereby improving the safety of the child carrier 1.
[0066] The technical features of each of the embodiments described above can be combined in any way. For the sake of brevity, not all possible combinations of technical features are described in the embodiments. However, as long as these combinations of technical features are not contradictory, they are understood to be included within the scope of this specification.
[0067] The embodiments described above are merely some examples of the present application, and although their descriptions are relatively specific and detailed, they should not be interpreted as limiting the scope of this application. Those skilled in the art can make various modifications and improvements without departing from the spirit of this application, and it should be noted that all such modifications and improvements are included within the scope of protection of this application. Therefore, the scope of protection of this application shall be defined by the attached claims.
Claims
1. A folding system (100) for a child carrier (1), wherein the child carrier (1) comprises at least a handlebar (10) and a front leg (20) that are pivotally connected to each other. The aforementioned folding system (100) A first locking mechanism (110) connected to at least the handlebar (10) and the front leg (20), the first locking mechanism (110) being switchable between a locked state and an unlocked state, A first operating unit (120) is connected to the first locking mechanism (110) and configured to switch the first locking mechanism (110) from the locked state to the unlocked state, wherein in the locked state, the first locking mechanism (110) restricts the relative pivoting between the handlebar (10) and the front leg (20), and in the unlocked state, the first operating unit (120) allows the relative pivoting between the handlebar (10) and the front leg (20). A safety lock mechanism (130) connected to the first lock mechanism (110) is switchable between a fixed state and a free state, wherein in the fixed state, the safety lock mechanism (130) prevents the first lock mechanism (110) from switching to the unlocked state, and in the free state, the safety lock mechanism (130) allows the first lock mechanism (110) to switch to the unlocked state. Folding system (100).
2. The first locking mechanism (110) is A drive member (111) is pivotably disposed on the child carrier (1), the drive member (111) is connected to the first operating unit (120) and the safety lock mechanism (130), the drive member (111) is configured to be pivotally driven by the first operating unit (120), the safety lock mechanism (130) prevents pivoting of the drive member (111) when it is in the fixed state, and allows pivoting of the drive member (111) when it is in the free state, The device comprises a transmission member (112) connected to the drive member (111), The pivoting of the drive member (111) causes the transmission member (112) to be displaced, and the vertical downward displacement of the transmission member (112) causes the first locking mechanism (110) to switch from the locked state to the unlocked state. The folding system (100) according to claim 1.
3. The aforementioned drive member (111) is The first support column (1111) is connected to the transmission member (112), It comprises a first recessed hole (1112), At least a portion of the safety lock mechanism (130) enters the first recess (1112) to prevent the drive member (111) from pivoting, or the safety lock mechanism (130) exits the first recess (1112) to allow the drive member (111) to pivot. The folding system (100) according to claim 2.
4. The transmission member (112) is provided with a second recessed hole (1121), The first support column (1111) is connected to the second recessed hole (1121), The folding system (100) according to claim 3.
5. The first locking mechanism (110) is A lock release member (113) connected to the transmission member (112), The system further comprises a first locking member (114) connected to the aforementioned unlocking member (113), The first locking member (114) is lockably connected to the handlebar (10) and the front leg (20), The first locking member (114) is slidable between a first position and a second position. In the first position, the first locking member (114) restricts the relative pivoting between the handlebar (10) and the front leg (20), and the first locking mechanism (110) is in the locked state. In the second position, the first locking member (114) allows relative pivoting between the handlebar (10) and the front leg (20), and the first locking mechanism (110) is in the unlocked state. The displacement of the transmission member (112) causes the release member (113) to displace, The displacement of the unlocking member (113) causes the first locking member (114) to slide from the first position to the second position. The folding system (100) according to claim 2.
6. The first locking mechanism (110) is A handlebar connecting member (115) fixedly connected to the handlebar (10), the handlebar connecting member (115) having a first storage section (1151), A front leg connecting member (116) fixedly connected to the front leg (20), further comprising a front leg connecting member (116) having a second storage section (1161), The handlebar connecting member (115) and the front leg connecting member (116) are pivotally connected, the first storage section (1151) and the second storage section (1161) form a lock member storage section (117), and the first lock member (114) is slidably disposed within the lock member storage section (117). In the first position, the first locking member (114) engages simultaneously with the handlebar connecting member (115) and the front leg connecting member (116) to restrict the relative pivot of the handlebar (10) and the front leg (20). In the second position, the first locking member (114) is separated from at least one of the handlebar connecting member (115) and the front leg connecting member (116) to allow relative pivoting of the handlebar (10) and the front leg (20). The folding system (100) according to claim 5.
7. The first connecting column (1131) is positioned on the side of the unlocking member (113) away from the first locking member (114). The transmission member (112) is provided with a first connection hole (1122), The first connecting column (1131) is inserted into the first connecting hole (1122), and the unlocking member (113) is connected to the transmission member (112). The folding system (100) according to claim 5.
8. The unlocking member (113) includes a first inclined surface (1132), The first locking member (114) is provided with a second inclined surface (1141), The first inclined surface (1132) and the second inclined surface (1141) are in contact with each other, and when the drive member is displaced and drives the unlocking member (113) to be displaced, the first inclined surface (1132) presses against the second inclined surface (1141), thereby causing the first locking member (114) to slide away from the unlocking member (113), the first locking member (114) to slide from the first position to the second position, and the first locking member (114) to move away from the front leg connecting member (116). The folding system (100) according to claim 6.
9. A first tooth (1152) is provided on the inner wall of the first storage section (1151), A second tooth (1162) is provided on the inner wall of the second storage section (1161), A third tooth (1142) is provided on the outer circumference of the first locking member (114). In the first position, the third tooth (1142) meshes simultaneously with the first tooth (1152) and the second tooth (1162) to restrict the relative pivot movement between the handlebar (10) and the front leg (20). In the second position, the third tooth (1142) disengages from the second tooth (1162) to allow relative pivoting between the handlebar (10) and the front leg (20). The folding system (100) according to claim 6.
10. A second connecting column (1163) is positioned within the second storage section (1161), The first locking member (114) is provided with a second connecting hole (1143), By inserting the second connecting column (1163) into the second connecting hole (1143), the first locking member (114) is slidably connected to the front leg connecting member (116). The folding system (100) according to claim 6.
11. The system further comprises a first reset member (140) positioned between the first locking member (114) and the handlebar connecting member (115), The first reset member (140) biases the first locking member (114) toward the first position. The folding system (100) according to claim 6.
12. The first locking mechanism (110) is An armrest holder (118) is pivotably connected to the child carrier (1) and has a locking hole (1181), The second locking member (119) is connected to the transmission member (112), the second locking member (119) being movable between a third position and a fourth position, wherein in the third position the second locking member (119) engages with the locking hole (1181) to restrict the pivoting of the armrest holder (118), and in the fourth position the second locking member (119) moves away from the locking hole (1181) to allow the pivoting of the armrest holder (118), and further comprises: The pivoting of the drive member (111) causes the transmission member (112) to be displaced, and the displacement of the transmission member (112) causes the second locking member (119) to be displaced from the third position to the fourth position. The folding system (100) according to claim 2.
13. The transmission member (112) includes a connecting rod (1123), The connecting rod (1123) is provided with a protrusion (1124), The connecting rod (1123) is sleeve-fitted to the second locking member (119), The second locking member (119) is provided with a through groove (1191), The aforementioned protrusion (1124) extends through the aforementioned through groove (1191), When the transmission member (112) is driven and displaced by the drive member (111), the protrusion (1124) presses against the through groove (1191) and moves the second locking member (119) from the third position to the fourth position. The folding system (100) according to claim 12.
14. The device further comprises a second reset member (150) positioned between the second locking member (119) and at least a portion of the transmission member (112), which biases the second locking member (119) toward the third position. The folding system (100) according to claim 13.
15. The first locking mechanism (110) is An armrest holder (118) is pivotably connected to the front leg connecting member (116) away from the handlebar connecting member (115) and has a locking hole (1181), A second locking member (119) connected to the transmission member (112), the second locking member (119) being movable between a third position and a fourth position, wherein in the third position the second locking member (119) engages with the locking hole (1181) to restrict the pivoting of the armrest holder (118), and in the fourth position the second locking member (119) moves away from the locking hole (1181) to allow the pivoting of the armrest holder (118), further comprising: The pivoting of the drive member (111) causes the transmission member (112) to be displaced downward in the vertical direction, and the downward displacement of the transmission member (112) in the vertical direction causes the second locking member (119) to be displaced from the third position to the fourth position. The folding system (100) according to claim 6.
16. The transmission member (112) includes a connecting rod (1123), The connecting rod (1123) has a protrusion (1124) on it. The connecting rod (1123) is positioned between the second recessed hole (1121) and the first connecting hole (1122). The connecting rod (1123) is sleeve-fitted to the second locking member (119), The second locking member (119) is provided with a through groove (1191), The through groove (1191) extends in the vertical direction, The aforementioned protrusion (1124) extends through the aforementioned through groove (1191), When the transmission member (112) is displaced downward in the vertical direction, the protrusion (1124) presses against the through groove (1191) and moves the second locking member (119) from the third position to the fourth position. The folding system (100) according to claim 15.
17. The device further comprises a second reset member (150) positioned between the second locking member (119) and the second recessed hole (1121), One end of the second reset member (150) abuts against the second locking member (119), The other end of the second reset member (150) abuts against the second recessed hole (1121), The second reset member (150) biases the second locking member (119) toward the third position. The folding system (100) according to claim 16.
18. The aforementioned safety lock mechanism (130) A second operating unit (1301) is pivotably positioned on the child carrier (1), and the second operating unit (1301) is pivotable between a fixed position and a free position, The child carrier (1) includes a pressing member (1302) pivotably positioned on the child carrier (1), the pressing member (1302) having a first end that is operably connected to the second operating part (1301), and a second end opposite to the first end that is able to enter or exit the first recessed hole (1112) of the drive member (111), In the fixed position, the second end of the pressing member (1302) enters the first recessed hole (1112), and the safety lock mechanism (130) enters the fixed state. In the aforementioned free position, the second end of the pressing member (1302) disengages from the first recessed hole (1112), and the safety lock mechanism (130) enters the aforementioned free state. A folding system (100) according to any one of claims 3 to 17.
19. The second operating section (1301) is equipped with a third inclined surface (1303), A fourth inclined surface (1304) is provided at the first end of the pressing member (1302). When the second operating part (1301) is pivoted from the fixed position to the free position, the third inclined surface (1303) presses against the fourth inclined surface (1304), causing the pressing member (1302) to pivot, the second end disengages from the first recessed hole (1112), and the safety lock mechanism (130) switches to the free state. The folding system (100) according to claim 18.
20. A second support column (1305) is provided at the second end of the pressing member (1302). The second support column (1305) is capable of entering or exiting the first recessed hole (1112) of the drive member (111). The folding system (100) according to claim 18.
21. The third reset member (1304) is further provided, One end of the third reset member (1304) abuts against the child carrier, The other end of the third reset member (1304) abuts against the pressing member (1302), The third reset member (1304) biases the pressing member (1302) in a direction in which the second end enters the first recessed hole (1112). The folding system (100) according to claim 18.