CN114872779B - Tong Tuoche skeleton for baby - Google Patents

Tong Tuoche skeleton for baby Download PDF

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Publication number
CN114872779B
CN114872779B CN202210390221.9A CN202210390221A CN114872779B CN 114872779 B CN114872779 B CN 114872779B CN 202210390221 A CN202210390221 A CN 202210390221A CN 114872779 B CN114872779 B CN 114872779B
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CN
China
Prior art keywords
frame
bottom frame
state
trailer
tong
Prior art date
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Active
Application number
CN202210390221.9A
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Chinese (zh)
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CN114872779A (en
Inventor
黄俊宾
吴泽坚
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Guangdong Roadmate Group Co Ltd
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Guangdong Roadmate Group Co Ltd
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Publication of CN114872779A publication Critical patent/CN114872779A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B7/00Carriages for children; Perambulators, e.g. dolls' perambulators
    • B62B7/04Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor
    • B62B7/06Carriages for children; Perambulators, e.g. dolls' perambulators having more than one wheel axis; Steering devices therefor collapsible or foldable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00Accessories or details specially adapted for children's carriages or perambulators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/10Perambulator bodies; Equipment therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62BHAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
    • B62B9/00Accessories or details specially adapted for children's carriages or perambulators
    • B62B9/10Perambulator bodies; Equipment therefor
    • B62B9/12Perambulator bodies; Equipment therefor involving parts that are adjustable, attachable or detachable

Abstract

The application provides an infant Tong Tuoche skeleton, including the trailer underframe, the trailer underframe includes first underframe, second underframe and base locking mechanism. One end of the first bottom frame is provided with a wheel group and is connected with a pushing handle in a shaft way; one end of the second bottom frame is provided with a wheel set, the first bottom frame is connected with the second bottom frame, and the second bottom frame is provided with an unfolding state which is unfolded relatively to the first bottom frame and a folding state which is folded relatively to the first bottom frame; the base locking mechanism is arranged between the first bottom frame and the second bottom frame and is used for keeping the second bottom frame in an unfolded state; the push handle is connected with the trailer bottom frame through a joint group and can move to a pushing position, a dragging position and a push handle folding position relative to the trailer bottom frame. When the trailer bottom frame is unfolded, the second bottom frame and the first bottom frame form a bearing space, and when the trailer bottom frame is folded, the second bottom frame and the first bottom frame are folded relatively, so that the whole volume of the trailer bottom frame can be effectively reduced, and the trailer bottom frame is convenient to place and store.

Description

Tong Tuoche skeleton for baby
[ field of technology ]
The application relates to the field of infant products, in particular to an infant Tong Tuoche framework.
[ background Art ]
The baby trailer sold in the market has a large volume structure and is inconvenient to place and store, so that the baby trailer structure needs to be improved so as to fold the baby trailer and reduce the whole volume for placing and storing.
[ invention ]
For ease of placement and storage, the present application provides an infant Tong Tuoche skeleton.
The application is realized by the following technical scheme:
infant Tong Tuoche skeleton, including the trailer underframe, the trailer underframe includes:
a wheel set is arranged at one end of the first bottom frame, and a pushing handle is connected with the first bottom frame in a shaft way;
the first bottom frame is connected with the second bottom frame, and the second bottom frame is provided with an unfolding state which is unfolded relatively to the first bottom frame and a folding state which is folded relatively to the first bottom frame;
a base locking mechanism provided between the first and second base frames for holding the second base frame in a spread state;
the push handle is connected with the trailer bottom frame through a joint group and can move to a pushing position, a dragging position and a push handle folding position relative to the trailer bottom frame.
The infant Tong Tuoche skeleton as described above, the second bottom frame can be rotatably moved from the unfolded state to the folded state or from the folded state to the unfolded state relative to the first bottom frame.
As described above, the infant Tong Tuoche skeleton is characterized in that a connecting rod is pivoted between the first bottom frame and the second bottom frame, and the second bottom frame is rotated relative to the first bottom frame through the connecting rod to move from an unfolded state to a folded state or from the folded state to the unfolded state.
The infant Tong Tuoche skeleton is characterized in that the first bottom frame is slidably connected with the second bottom frame, so that the second bottom frame can be slidably moved from an unfolding state to a folding state or from the folding state to the unfolding state relative to the first bottom frame.
As described above, the infant Tong Tuoche skeleton is characterized in that the first bottom frame and the second bottom frame are connected by the guide rail, so that the second bottom frame can move from the unfolded state to the folded state or from the folded state to the unfolded state in a sliding manner relative to the first bottom frame.
The infant Tong Tuoche skeleton is characterized in that a detachable connecting structure is arranged between the first bottom frame and the second bottom frame, and when the first bottom frame is connected with the second bottom frame, the second bottom frame is in an unfolding state relative to the first bottom frame; when the first bottom frame and the second bottom frame are detached, the second bottom frame and the first bottom frame can be stacked to form a folding state.
As mentioned above, the infant Tong Tuoche skeleton, the first bottom frame and the second bottom frame are respectively provided with a cavity chassis, when the second bottom frame is in an unfolded state relative to the first bottom frame, the cavity chassis of the second bottom frame and the cavity chassis of the first bottom frame form a first bearing space, and when the second bottom frame is in a folded state relative to the first bottom frame, the cavity chassis of the second bottom frame and the cavity chassis of the first bottom frame form a second bearing space.
The infant Tong Tuoche skeleton as described above, the push handle includes a push handle operating member for interlocking the joint group for controlling the push handle to be switched between the push position, the pull position and the push handle folding position.
The infant Tong Tuoche skeleton as described above, the infant Tong Tuoche skeleton further comprises a lock release mechanism between the trailer bottom frame and the base locking mechanism, for releasing the locking state of the first bottom frame and the second bottom frame, so that the second bottom frame can move from the unfolded state to the folded state or from the folded state to the unfolded state relative to the first bottom frame.
The infant Tong Tuoche skeleton as described above, the lock release mechanism includes a distal operation member provided on the first base frame or the second base frame, and the distal operation member is interlocked with the base locking mechanism, so as to release the locked state of the first base frame and the second base frame.
As mentioned above, the infant Tong Tuoche skeleton, the infant Tong Tuoche skeleton further includes an upper enclosure frame, and when the second bottom frame moves to a unfolded state relative to the first bottom frame, the upper enclosure frame can be assembled with the trailer bottom frame to form a limited enclosure surface with a height, so as to form an upper enclosure bearing space for taking or placing an infant.
The infant Tong Tuoche skeleton is characterized in that the trailer bottom frame is provided with a bearing seat for being buckled with the upper surrounding frame.
The infant Tong Tuoche skeleton has the upper surrounding frame in an unfolding state and a folding state.
The infant Tong Tuoche skeleton is characterized in that when the second bottom frame is in a unfolded state, a first bearing space is formed between the second bottom frame and the first bottom frame, and a through hole communicated with the first bearing space of the trailer bottom frame is formed in the bottom of the upper surrounding frame.
The infant Tong Tuoche skeleton is characterized in that the upper surrounding frame is provided with at least one seat bottom plate, and a backrest frame is pivoted on one side of the seat bottom plate.
The application discloses an infant Tong Tuoche skeleton includes:
the trailer bottom frame is provided with wheel sets at two ends and is at least connected with a pushing handle at one end in a shaft way;
the upper surrounding frame can be detachably assembled with the trailer bottom frame to form a limiting surrounding surface with a height, so that a space for taking or placing babies is formed.
The infant Tong Tuoche skeleton comprises a first bottom frame and a second bottom frame which are connected with each other, wherein the second bottom frame is in an unfolding state for forming a bearing space with the first bottom frame and being used for being buckled with the upper surrounding frame, and in a folding state for being folded relative to the first bottom frame.
As mentioned above, the infant Tong Tuoche skeleton is provided with the cavity chassis on the first bottom frame and the second bottom frame, and the second bottom frame forms a first bearing space when being in an unfolded state relative to the first bottom frame; when the second bottom frame is in a folding state relative to the first bottom frame, a second bearing space is formed.
As described above, the infant Tong Tuoche skeleton is characterized in that the first bottom frame and the second bottom frame are pivotally connected with a connecting rod, so that the second bottom frame can be rotatably moved from an unfolded state to a folded state or from a folded state to an unfolded state relative to the first bottom frame.
The infant Tong Tuoche skeleton is characterized in that the first bottom frame is slidably connected with the second bottom frame, so that the second bottom frame can be slidably moved from an unfolding state to a folding state or from the folding state to the unfolding state relative to the first bottom frame.
As described above, the infant Tong Tuoche skeleton is characterized in that the first bottom frame and the second bottom frame are connected by a guide rail, and two ends of the guide rail are respectively slidably connected with the first bottom frame and the second bottom frame, so that the first bottom frame and the second bottom frame can be respectively moved from an unfolded state to a folded state or from a folded state to an unfolded state in a sliding manner relative to the guide rail.
The infant Tong Tuoche skeleton has the upper surrounding frame in an unfolding state and a folding state.
An infant Tong Tuoche skeleton as described above, the upper enclosure frame comprising:
a middle supporting seat;
one end of the first side folding frame is connected with one end of the middle supporting seat in a shaft way;
one end of the second side folding frame is connected with the other end of the middle supporting seat in a shaft way, when the upper surrounding frame is in an unfolding state, the first side folding frame and the second side folding frame form a four-surrounding closed space, and when the upper surrounding frame is in a folding state, the first side folding frame and the second side folding frame can be folded towards the middle supporting seat.
As described above, the infant Tong Tuoche skeleton is characterized in that a frame locking mechanism is provided between the first side folding frame or the second side folding frame and the intermediate support seat, so that the upper enclosure frame is kept in an unfolded state.
As mentioned above, the infant Tong Tuoche skeleton is characterized in that at least one seat bottom plate is provided at the bottom of the upper frame, or the first side folding frame and the second side folding frame are respectively provided with a seat bottom plate, and the seat bottom plate can be folded or unfolded along with the first side folding frame and the second side folding frame.
The infant Tong Tuoche skeleton is characterized in that at least one seat bottom plate is arranged at the bottom of the upper surrounding frame, and a backrest frame is pivoted on one side of the seat bottom plate.
As mentioned above, when the upper frame is unfolded, a through hole is formed at the bottom of the upper frame and is communicated with the bearing space of the trailer bottom frame.
Compared with the prior art, the application has the following advantages:
1. in this application, the trailer underframe comprises first underframe and second underframe, and the trailer underframe is when expanding, and second underframe can expand relatively with first underframe and form the space of bearing, and the trailer underframe is when folding up, and second underframe and first underframe are relative to receive to close the setting, can effectively reduce the whole volume of trailer underframe to place and accomodate.
2. In the application, the trailer bottom frame and the upper surrounding frame are arranged in a split mode, the trailer bottom frame and the upper surrounding frame can be used independently, for example, the trailer bottom frame can be used for carrying objects and goods independently, and the upper surrounding frame can be used for baby beds and seats independently; the two can also be combined into a single use to form the infant Tong Tuoche, and the infant Tong Tuoche can be independently folded or unfolded, so that the infant rack is more flexible to store, does not occupy space, has more purposes and can meet the use requirements of users.
3. In the application, the bearing space formed by the first bottom frame and the second bottom frame is reduced when the trailer bottom frame is folded, but the reduced bearing space can be used when the push handle is not folded, so that the using function is increased.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic structural diagram of an infant Tong Tuoche skeleton according to an embodiment;
FIG. 2 is a schematic view of the trailer bed in an example infant Tong Tuoche skeleton when deployed;
FIG. 3 is a schematic illustration I of an example infant Tong Tuoche skeleton with a trailer bed during deployment or collapsing;
FIG. 4 is a schematic diagram II of an example of an infant Tong Tuoche skeleton with a trailer bottom frame during deployment or collapsing;
FIG. 5 is a schematic illustration I of an example infant Tong Tuoche carcass with a trailer bed folded;
FIG. 6 is a second schematic view of the first infant Tong Tuoche skeleton with the trailer bed folded;
FIG. 7 is a schematic view showing the separation of the trailer bottom frame from the upper frame in an infant Tong Tuoche skeleton;
FIG. 8 is a schematic view of the structure of the upper frame in the infant Tong Tuoche skeleton according to the embodiment;
FIG. 9 is a cross-sectional view of the upper frame in an example infant Tong Tuoche skeleton, with the upper frame deployed;
FIG. 10 is a cross-sectional view I of the upper enclosure frame during deployment or collapsing of the infant Tong Tuoche skeleton of example one;
FIG. 11 is a cross-sectional view II of the infant Tong Tuoche skeleton with the upper frame during deployment or collapsing;
fig. 12 is a schematic structural view of an upper frame in an infant Tong Tuoche skeleton according to an embodiment;
FIG. 13 is a schematic view of a structure in which a trailer bottom frame and an upper frame are folded and stacked, respectively, in an infant Tong Tuoche skeleton according to an embodiment;
FIG. 14 is a schematic view of a trailer bottom frame in a second embodiment Tong Tuoche carcass during deployment or collapsing;
FIG. 15 is a schematic view of a trailer bottom frame in a two-stage infant Tong Tuoche carcass in an embodiment;
FIG. 16 is a schematic illustration I of a trailer bottom frame during folding in a three infant Tong Tuoche carcass of an embodiment;
FIG. 17 is a second schematic view of a trailer bottom frame during folding in a third embodiment of the infant Tong Tuoche skeleton;
FIG. 18 is a schematic view III of a trailer bottom frame during folding in a third example infant Tong Tuoche carcass;
FIG. 19 is a schematic view of a trailer bottom frame in an embodiment three infant Tong Tuoche carcass when collapsed;
FIG. 20 is a schematic illustration one of the trailer bottom frame in an example four infant Tong Tuoche carcass when deployed;
FIG. 21 is a schematic diagram II of a trailer bottom frame in an example four infant Tong Tuoche skeleton when deployed;
FIG. 22 is a schematic illustration I of a trailer bottom frame in a four infant Tong Tuoche carcass in an embodiment;
fig. 23 is a schematic diagram II of a trailer bottom frame when folded in the framework of example four infants Tong Tuoche.
[ detailed description ] of the invention
In order to make the technical problems, technical schemes and beneficial effects solved by the application more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
When embodiments of the present application refer to the ordinal terms "first," "second," etc., it is to be understood that only the ordinal terms are used for distinction, unless the ordinal terms are specifically expressed according to the context.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.
Embodiment one: the infant Tong Tuoche skeleton shown in fig. 1 comprises a trailer bottom frame 1 shown in fig. 2 to 6, wherein the trailer bottom frame 1 comprises a first bottom frame 11, a second bottom frame 12 and a base locking mechanism (not shown in the figures).
One end of the first bottom frame 11 is provided with a wheel set 3, and is connected with a pushing handle 4 in a shaft way, the pushing handle 4 is connected with the trailer bottom frame 1 through a joint set 41, and can move to a pushing position, a dragging position and a pushing handle folding position relative to the trailer bottom frame 1, and when the pushing handle 4 rotates to the pushing handle folding position relative to the trailer bottom frame 1, the pushing handle 4 and the trailer bottom frame 1 are stacked. In order to facilitate the folding or unfolding of the push handle by the user, the push handle 4 comprises a push handle operating member 42 which is connected with the joint group 41 and is used for controlling the push handle 4 to be switched between the pushing position, the dragging position and the push handle folding position. The second bottom frame 12 has a wheel set 3 at one end, the first bottom frame 11 is connected with the second bottom frame 12, and the second bottom frame 12 has an unfolded state relatively unfolded with the first bottom frame 11 and a folded state relatively folded with the first bottom frame 11. The base locking mechanism is disposed between the first base frame 11 and the second base frame 12, and is used for keeping the second base frame 12 in a unfolded state. In this embodiment, the trailer bottom frame is composed of a first bottom frame and a second bottom frame, when the trailer bottom frame is unfolded, the second bottom frame and the first bottom frame form a bearing space, and when the trailer bottom frame is folded, that is, when the second bottom frame 12 and the first bottom frame 11 are folded relatively, the second bottom frame and the first bottom frame are stacked, so that the whole volume of the trailer bottom frame can be effectively reduced, and the trailer bottom frame is convenient to place and store. The base locking mechanism may employ an existing mechanical locking structure, such as a bayonet mechanism or a latch mechanism, to lock the first base frame 11 and the second base frame 12, so that the second base frame 12 is stably maintained in a unfolded state with respect to the first base frame 11.
Further, in order to facilitate the relative unfolding and folding of the first bottom frame 11 and the second bottom frame 12, the first bottom frame 11 and the second bottom frame 12 are respectively provided with a cavity chassis, when the second bottom frame 12 is in an unfolded state relative to the first bottom frame 11, the cavity chassis of the second bottom frame 12 and the cavity chassis of the first bottom frame 11 form a first bearing space, and when the second bottom frame 12 is in a folded state relative to the first bottom frame 11, the cavity chassis of the second bottom frame 12 and the cavity chassis of the first bottom frame 11 form a second bearing space. The second bearing space can also be used when the push handle 4 is not folded, so that the using function is increased.
Further, in order to facilitate the user to fold or unfold the trailer bottom frame 1, the second bottom frame 12 can be rotatably moved from the unfolded state to the folded state or from the folded state to the unfolded state relative to the first bottom frame 11. Preferably, a connecting rod 5 is pivoted between the first bottom frame 11 and the second bottom frame 12, and the second bottom frame 12 is moved from the unfolded state to the folded state or from the folded state to the unfolded state by rotating relative to the first bottom frame 11 through the connecting rod 5. As shown in fig. 4, two links 5 are pivotally connected between the first bottom frame 11 and the second bottom frame 12, so as to form a four-link structure, and the trailer bottom frame 1 is transformed between folding and unfolding through the four-link structure. The trailer bottom frame 1 is unfolded or folded in a rotating mode, so that the structure is simple and the use is convenient.
Further, for convenience of user operation, the infant Tong Tuoche skeleton further comprises a lock release mechanism between the trailer bottom frame 1 and the base locking mechanism, as shown in fig. 2, for releasing the locking state of the first bottom frame 11 and the second bottom frame 12, so that the second bottom frame 12 can move from the unfolded state to the folded state or from the folded state to the unfolded state relative to the first bottom frame 11. Specifically, for the convenience of user operation in folding and unfolding the trailer bottom frame 1, the lock release mechanism includes a distal operation member 13 disposed on the first bottom frame 11 or the second bottom frame 12, where the distal operation member 13 is linked with a locking member of the base locking mechanism, such as a traction member capable of penetrating a steel rope, to link the locking member of the base locking mechanism. The user can easily control the folding and unfolding from the end of the trailer bottom frame 1, and can grasp the end of the first bottom frame 11 or the end of the second bottom frame 12 by both hands, and operate the operating member 13, and when the locking of the base locking mechanism is released, the user can apply force to the end of the first bottom frame 11 or the end of the second bottom frame 12 in a homeotropical manner to control the folding and unfolding of the trailer bottom frame 1. The lock release mechanism can also adopt the existing mechanical lock release structure as long as the base locking mechanism can be unlocked, so that a user can fold the trailer bottom frame 1.
Further, the infant Tong Tuoche skeleton further includes an upper enclosure frame 2 as shown in fig. 7 to 13, and when the second bottom frame 12 moves to a deployed state relative to the first bottom frame 11, the upper enclosure frame 2 can be assembled with the trailer bottom frame 1 to form a limited enclosure surface with a height, so as to form an upper enclosure bearing space for taking or placing an infant. In this embodiment, the trailer bottom frame and the upper enclosure frame are separately arranged, and can be used independently, for example, the trailer bottom frame can be used independently for carrying goods, and the upper enclosure frame can be used independently for a baby bed and a seat; the two can also be combined into a baby Tong Tuoche for use, and after being folded respectively, the two can be stacked together, so that the storage is more flexible and the space is not occupied.
Further, in order to facilitate the detachable matching installation of the trailer bottom frame 1 and the upper surrounding frame 2, the trailer bottom frame 1 is provided with a bearing seat 6 for being buckled with the upper surrounding frame 2. The bearing seats 6 on the trailer bottom frame 1 can be specifically arranged on two sides, and the two sides of the upper surrounding frame 2 are correspondingly provided with inserting fasteners which are buckled with the bearing seats 6. The insert and the receiving seat 6 may also be disposed around the upper frame 2 and the trailer bottom frame 1.
Further, the upper frame 2 has an unfolded state and a folded state. The trailer bottom frame and the upper surrounding frame can be independently folded or unfolded, so that the trailer bottom frame and the upper surrounding frame are more flexible to store, occupy no space and have more purposes, and the use requirements of users can be met.
Further, the upper frame 2 includes a middle support 21, a first side folding frame 22 and a second side folding frame 23. One end of the first side folding frame 22 is connected with one end of the middle supporting seat 21 in a shaft way; one end of the second side folding frame 23 is pivotally connected to the other end of the middle support seat 21, when the upper surrounding frame 2 is in an unfolded state, the first side folding frame 22 and the second side folding frame 23 form a four-surrounding closed space, and when the upper surrounding frame 2 is in a folded state, the first side folding frame 22 and the second side folding frame 23 can be folded towards the middle support seat 21. Simple structure, and convenient folding and unfolding for users.
Further, in order to stably maintain the upper frame 2 in the unfolded state for use, as shown in fig. 9 to 11, a frame locking mechanism 24 is provided between the first side folding frame 22 or the second side folding frame 23 and the intermediate support 21 to maintain the upper frame 2 in the unfolded state. As shown in fig. 10 and 11, the frame locking mechanism 24 includes a movable lock bolt and a release lock member, wherein the movable lock bolt is respectively disposed between the first side folding frame 22 and the second side folding frame 23 and the middle support seat 21, the release lock member is interlocked with the movable lock bolt, and when the release lock member is operated, the movable lock bolt moves to release the relative locking of the first side folding frame 22, the second side folding frame 23 and the middle support seat 21.
Further, for the convenience of sitting on the baby, the bottom of the upper enclosure frame 2 is provided with a through hole 25 communicated with the first bearing space of the trailer bottom frame 1. Specifically, the upper enclosure frame 2 is provided with at least one seat bottom plate 7, when the upper enclosure frame 2 is unfolded, a through hole 25 communicated with the bearing space is formed at a position, which is not covered by the seat bottom plate 7, at the bottom of the upper enclosure frame 2, or the through hole 25 is formed on the seat bottom plate 7, and when a child sits in the upper enclosure frame 2, feet of the infant can penetrate through the through hole 25 to extend into the bearing space. Or the first side folding frame 22 and the second side folding frame 23 are respectively provided with a seat bottom plate 7, and the seat bottom plate 7 can be folded or unfolded along with the first side folding frame 22 and the second side folding frame 23, further, when the upper surrounding frame 2 is unfolded, the seat bottom plate 7 is provided with the through hole 25 for the feet of the infant to enter and exit the bearing space. As particularly shown in fig. 7, 8 and 12. The two base plates 7 have a U-shaped opening, and when the upper frame 25 is unfolded, a opening is formed together. Furthermore, a backrest frame 8 is pivotally connected to one side of the seat bottom 7, and is used for supporting the infant Tong Beibu when the backrest frame 8 is far away from the seat bottom 7, and can be folded along with the upper frame 2 when the backrest frame 8 is close to the seat bottom 7, and can be used as a carrying handle, so that the carrying handle is convenient for a user, as shown in fig. 12.
The working principle of the embodiment is as follows:
in this embodiment, the trailer underframe comprises first underframe and second underframe, and when the trailer underframe is expanded, second underframe and first underframe form the space that bears, and when the trailer underframe is folding up, second underframe and first underframe stack the setting and with the relative receipts to close, can effectively reduce the whole volume of trailer underframe to place and accomodate. The trailer bottom frame and the upper surrounding frame are arranged in a split mode, the trailer bottom frame and the upper surrounding frame can be used independently, for example, the trailer bottom frame can be used for carrying objects and goods independently, and the upper surrounding frame can be used for baby beds and seats independently; the two can also be combined into a baby Tong Tuoche for use, and can be independently folded or unfolded, and when the two are respectively folded, the two can be stacked together, so that the storage is more flexible, the space is not occupied, the usage is more, and the use requirement of a user can be met.
Embodiment two: the first embodiment is different from the second embodiment in that, as shown in fig. 14 and 15, the first bottom frame 11 is slidably connected to the second bottom frame 12, so that the second bottom frame 12 can be slidably moved from the unfolded state to the folded state or from the folded state to the unfolded state relative to the first bottom frame 11. Preferably, the first bottom frame 11 and the second bottom frame 12 are connected by a guide rail, so that the second bottom frame 12 can be slidably moved from an unfolded state to a folded state or from a folded state to an unfolded state relative to the first bottom frame 11. The guide rail may be disposed on one of the first bottom frame 11 and the second bottom frame 12 and slidably engaged with the other, and when the second bottom frame 12 is in the folded state, the first bottom frame 11 and the second bottom frame 12 are partially sleeved or overlapped to be folded relatively. For example, when the second bottom frame 12 extends outwards relative to the first bottom frame 11 through the guide rail and is arranged side by side with the first bottom frame 11, the second bottom frame 12 is in a unfolded state relative to the first bottom frame 11; when the second bottom frame 12 is retracted inwards relative to the first bottom frame 11 through the guide rails, the first bottom frame 11 is stacked on the upper side of the second bottom frame 12 so that the second bottom frame 12 is in a folded state. Simple structure, easy operation, convenient use.
Embodiment III: the first difference between this embodiment and the embodiment is that, as shown in fig. 16 to 19, a detachable connection structure is provided between the first bottom frame 11 and the second bottom frame 12, and when the first bottom frame 11 is connected to the second bottom frame 12, the second bottom frame 12 is in a unfolded state relative to the first bottom frame 11; when the first bottom frame 11 and the second bottom frame 12 are detached, the second bottom frame 12 can be stacked with the first bottom frame 11 to form a folded state. Preferably, the first bottom frame 11 and the second bottom frame 12 are detachably connected through an inserting structure, specifically, an inserting rod 121 is provided on the second bottom frame 12, a first inserting portion 111 and a second inserting portion 112 capable of being respectively inserted with the inserting rod 121 in a matching manner are provided on the first bottom frame 11, and when the inserting rod 121 is inserted with the first inserting portion 111 in a matching manner, the second bottom frame 12 is in an unfolded state relative to the first bottom frame 11; when the plugging rod 121 is plugged with the second plugging portion 112, the second bottom frame 12 is in a folded state with respect to the first bottom frame 11, so that the second bottom frame 12 and the first bottom frame 11 are stacked. Simple structure and convenient operation.
Embodiment four: the second difference between this embodiment and the second embodiment is that, as shown in fig. 20 to 23, the guide rail 14 is disposed between the first bottom frame 11 and the second bottom frame 12 and has two ends, and the two ends of the guide rail 14 are slidably connected to the first bottom frame 11 and the second bottom frame 12, so that the first bottom frame 11 and the second bottom frame 12 can be slidably moved from the unfolded state to the folded state or moved to the unfolded state in the folded state with respect to the guide rail 14, respectively, so as to form a three-stage telescopic structure, and thus, the operation is convenient, specifically, when the second bottom frame 12 is in the folded state, the first bottom frame 11 and the second bottom frame 12 are relatively close along the guide rail 14, thereby reducing the bearing space formed by the first bottom frame 11 and the second bottom frame 12, but the first bottom frame 11 and the second bottom frame 12 are not stacked at this time. The embodiment provides a new syllogic extending structure, makes things convenient for the user to operate and accomodates. After folding, the first bottom frame 11 and the second bottom frame 12 can also form a bearing space with smaller space, and can also be used when the push handle 4 is not folded.
The above description of various embodiments provided in connection with specific content is not intended to limit the practice of the present application to such descriptions. Any approximation, or substitution of techniques for the methods, structures, etc. of the present application or for the purposes of making a number of technological deductions or substitutions based on the concepts of the present application should be considered as the scope of protection of the present application.

Claims (24)

1. Infant Tong Tuoche skeleton, including trailer underframe (1), characterized in that, trailer underframe (1) includes:
a first bottom frame (11), one end of which is provided with a wheel set (3) and is connected with a pushing handle (4) in a shaft way;
a second bottom frame (12) with one end provided with a wheel set (3), wherein the first bottom frame (11) is connected with the second bottom frame (12), and the second bottom frame (12) has an unfolding state relatively unfolded with the first bottom frame (11) and a folding state relatively folded with the first bottom frame (11); the second bottom frame (12) and the first bottom frame (11) are oppositely arranged along the length direction of the trailer bottom frame (1) and can be close to or far away from each other along the length direction of the trailer bottom frame (1), so that the length of the trailer bottom frame (1) is smaller than that of the trailer bottom frame (1) when the second bottom frame (12) is in a folded state and the second bottom frame (12) is in an unfolded state;
a base locking mechanism provided between the first base frame (11) and the second base frame (12) for holding the second base frame (12) in a deployed state;
the pushing handle (4) is connected with the trailer bottom frame (1) through a joint group (41) and can move to a pushing position, a dragging position and a pushing handle folding position relative to the trailer bottom frame (1);
the first bottom frame (11) and the second bottom frame (12) are respectively provided with a cavity chassis, when the second bottom frame (12) is in an unfolding state relative to the first bottom frame (11), the cavity chassis of the second bottom frame (12) and the cavity chassis of the first bottom frame (11) form a first bearing space, and when the second bottom frame (12) is in a folding state relative to the first bottom frame (11), the cavity chassis of the second bottom frame (12) and the cavity chassis of the first bottom frame (11) form a second bearing space.
2. The infant Tong Tuoche skeleton of claim 1, wherein the second base frame (12) is rotatably movable relative to the first base frame (11) from an expanded state to a collapsed state or from a collapsed state to an expanded state.
3. The infant Tong Tuoche skeleton according to claim 1, wherein a link (5) is pivotally connected between the first bottom frame (11) and the second bottom frame (12), and the second bottom frame (12) is moved from the unfolded state to the folded state or from the folded state to the unfolded state by rotation of the link (5) relative to the first bottom frame (11).
4. The infant Tong Tuoche skeleton of claim 1, wherein the first base frame (11) is slidably connected to the second base frame (12) such that the second base frame (12) is slidably movable relative to the first base frame (11) from an expanded state to a collapsed state or from a collapsed state to an expanded state.
5. The infant Tong Tuoche skeleton of claim 1, wherein the first base frame (11) and the second base frame (12) are connected by a rail (14) such that the second base frame (12) is slidably movable relative to the first base frame (11) from an expanded state to a collapsed state or from a collapsed state to an expanded state.
6. The infant Tong Tuoche skeleton of claim 1, wherein a detachable connection is provided between the first base frame (11) and the second base frame (12), the second base frame (12) being in an expanded state relative to the first base frame (11) when the first base frame (11) is connected to the second base frame (12); when the first bottom frame (11) and the second bottom frame (12) are detached, the second bottom frame (12) and the first bottom frame (11) can be stacked to form a folding state.
7. The infant Tong Tuoche skeleton according to claim 1, wherein the push handle (4) comprises a handle operating member (42) for interlocking the joint group (41) for controlling the push handle (4) to be switched between the push position, the pull position and the push handle folding position.
8. The infant Tong Tuoche armature of claim 1, further comprising a lock release mechanism between the trailer chassis (1) and the base locking mechanism for releasing the locking of the first chassis (11) and the second chassis (12) to enable the second chassis (12) to move relative to the first chassis (11) from an expanded state to a collapsed state or from a collapsed state to an expanded state.
9. The infant Tong Tuoche skeleton according to claim 8, wherein the lock release mechanism comprises a distal operation member (13) provided to the first base frame (11) or the second base frame (12), the distal operation member (13) being interlocked with the base locking mechanism for releasing the locked state of the first base frame (11) and the second base frame (12).
10. The infant Tong Tuoche skeleton according to claim 1, characterized in that the infant Tong Tuoche skeleton further comprises an upper enclosure frame (2), wherein the upper enclosure frame (2) can be assembled with the trailer bottom frame (1) to form a limited enclosure with a height when the second bottom frame (12) is moved to a deployed state relative to the first bottom frame (11), so as to form an upper enclosure carrying space for the infant to sit or be placed.
11. The infant Tong Tuoche skeleton of claim 10, wherein the trailer bottom frame (1) is provided with a socket (6) for being snapped with the upper peripheral frame (2).
12. The infant Tong Tuoche skeleton according to claim 10, wherein the upper peripheral frame (2) has an expanded state and a collapsed state.
13. The infant Tong Tuoche skeleton according to claim 10, wherein the second bottom frame (12) forms a first bearing space with the first bottom frame (11) when in the unfolded state, and the bottom of the upper peripheral frame (2) is provided with a through opening (25) communicating with the first bearing space of the trailer bottom frame (1).
14. The infant Tong Tuoche skeleton according to claim 10, wherein the upper frame (2) is provided with at least one seat bottom plate (7), and a backrest frame (8) is pivotally connected to one side of the seat bottom plate (7).
15. The infant Tong Tuoche skeleton is characterized by comprising:
the trailer comprises a trailer bottom frame (1), wherein wheel sets (3) are arranged at two ends of the trailer bottom frame, and a pushing handle (4) is connected to at least one end of the trailer bottom frame in a shaft way;
the upper surrounding frame (2) can be detachably assembled with the trailer bottom frame (1) to form a limiting surrounding surface with a height, so that a space for taking or placing babies is formed;
the trailer bottom frame (1) comprises a first bottom frame (11) and a second bottom frame (12) which are connected with each other, and the second bottom frame (12) is provided with an unfolding state which forms a bearing space with the first bottom frame (11) and is used for being buckled with the upper surrounding frame (2) and a folding state which is relatively folded with the first bottom frame (11); the second bottom frame (12) and the first bottom frame (11) are oppositely arranged along the length direction of the trailer bottom frame (1) and can be close to or far away from each other along the length direction of the trailer bottom frame (1), so that the length of the trailer bottom frame (1) is smaller than that of the trailer bottom frame (1) when the second bottom frame (12) is in a folded state and the second bottom frame (12) is in an unfolded state;
the first bottom frame (11) and the second bottom frame (12) are respectively provided with a cavity chassis, and when the second bottom frame (12) is in an unfolding state relative to the first bottom frame (11), a first bearing space is formed; the second bottom frame (12) forms a second bearing space when being in a folded state relative to the first bottom frame (11).
16. The infant Tong Tuoche skeleton of claim 15, wherein a link (5) is pivotally connected between the first base frame (11) and the second base frame (12) to enable the second base frame (12) to be rotatably moved from an expanded state to a collapsed state or from a collapsed state to an expanded state relative to the first base frame (11).
17. The infant Tong Tuoche skeleton of claim 15, wherein the first base frame (11) is slidably connected to the second base frame (12) such that the second base frame (12) is slidably movable relative to the first base frame (11) from an expanded state to a collapsed state or from a collapsed state to an expanded state.
18. The infant Tong Tuoche skeleton of claim 15 or 17, wherein the first base frame (11) and the second base frame (12) are connected by a guide rail (14), and both ends of the guide rail (14) are slidably connected to the first base frame (11) and the second base frame (12), respectively, so that the first base frame (11) and the second base frame (12) can be slidably moved relative to the guide rail (14) from an unfolded state to a folded state or from the folded state to the unfolded state, respectively.
19. The infant Tong Tuoche skeleton of claim 15, wherein the upper peripheral frame (2) has an expanded state and a collapsed state.
20. The infant Tong Tuoche skeleton of claim 19, wherein the upper peripheral frame (2) comprises:
a middle supporting seat (21);
a first side folding frame (22) one end of which is connected with one end of the middle supporting seat (21) in a shaft way;
and one end of the second side folding frame (23) is connected with the other end of the middle supporting seat (21) in a shaft way, when the upper surrounding frame (2) is in an unfolding state, the first side folding frame (22) and the second side folding frame (23) form a four-surrounding closed space, and when the upper surrounding frame (2) is in a folding state, the first side folding frame (22) and the second side folding frame (23) can be folded towards the middle supporting seat (21).
21. The infant Tong Tuoche skeleton of claim 20, wherein a frame locking mechanism (24) is provided between the first side folding frame (22) or the second side folding frame (23) and the intermediate support (21) to hold the upper peripheral frame (2) in an expanded state.
22. The infant Tong Tuoche skeleton according to claim 20, wherein the upper peripheral frame (2) is provided with at least one seat bottom plate (7) at the bottom thereof, or the first side folding frame (22) and the second side folding frame (23) are respectively provided with a seat bottom plate (7), and the seat bottom plate (7) can be folded or unfolded along with the first side folding frame (22) and the second side folding frame (23).
23. The infant Tong Tuoche skeleton according to claim 15, wherein the upper frame (2) has at least one seat bottom plate (7) at the bottom thereof, and a backrest frame (8) is pivotally connected to one side of the seat bottom plate (7).
24. The infant Tong Tuoche skeleton according to claim 19, wherein when the upper frame (2) is unfolded, a through hole (25) communicating with the bearing space of the trailer bottom frame (1) is formed at the bottom of the upper frame (2).
CN202210390221.9A 2022-02-16 2022-04-14 Tong Tuoche skeleton for baby Active CN114872779B (en)

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US10464588B1 (en) * 2019-01-02 2019-11-05 New Century Products Limited Foldable baby stroller
CN112849251A (en) * 2021-03-09 2021-05-28 广东乐美达集团有限公司 Baby trailer with automatic backrest unfolding and folding function

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CN205469183U (en) * 2016-03-08 2016-08-17 客贝利(厦门)休闲用品有限公司 Fixed knot of folding handcart constructs

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Publication number Priority date Publication date Assignee Title
CN1572617A (en) * 2003-05-23 2005-02-02 瑞迪菲勒公司 Convertible toy wagon
CN202624544U (en) * 2012-05-18 2012-12-26 中山市隆成日用制品有限公司 Adjustable baby trailer framework
CN205652181U (en) * 2016-05-16 2016-10-19 翁亿忠 Novel baby carriage
CN206141604U (en) * 2016-08-08 2017-05-03 长沙市望城区金来塑胶用品有限公司 Appliance for children
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CN112849251A (en) * 2021-03-09 2021-05-28 广东乐美达集团有限公司 Baby trailer with automatic backrest unfolding and folding function

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