Luggage case with foldable backrest
Technical Field
The utility model relates to the technical field of luggage, in particular to a luggage with a foldable backrest.
Background
The utility model provides a portable child's suitcase of bulletin number CN202874103U, includes the box, establishes be in be equipped with the zip fastener in front of the box openable case lid is established push-and-pull dual-purpose scalable pull rod in box back upper portion and establish the main wheel of box bottom, the box top is equipped with the concave surface that can place the foam-rubber cushion, the rear end edge at box top is equipped with a closable back, be equipped with a collapsible support frame on the box back, collapsible support frame one end with the back of box is connected, and a gyro wheel is connected to the other end, and the centre is connected with a doubling pole one end, the doubling pole other end with the back of box is connected. However, the structure of the trunk in the prior art is not stable enough, when a child is made on the sponge cushion and leans against the backrest, the backrest is easy to shake due to vibration in the moving process, the child is uncomfortable in leaning against the swinging backrest, and even the child can sometimes fall off the trunk, so that the trunk is inconvenient and unsafe for a user to use.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provide the luggage case with the foldable backrest, which has a stable structure and is convenient to use.
The aim of the utility model is realized by the following technical scheme:
The utility model provides a take suitcase of collapsible back, includes box and frame, the box sets up on the frame, be connected with the saddle subassembly on the frame, the saddle subassembly includes saddle main part, backplate and bedplate, the top of saddle main part inwards is sunken and is formed and accomodate the chamber, the one end of bedplate with the front end rotatable coupling of saddle main part, the other end of bedplate is openable free end and can cover to be in accomodate the chamber, the one end of backplate with the rear end rotatable coupling of saddle main part, the other end of backplate is openable free end and can rotate relatively the saddle main part extremely the backplate is expansion state or accomodates the state, and under the initial state, the backplate is in the state of accomodating, just the backplate is folding to be accomodate the intracavity and by the bedplate closing cap, when the backplate is from accomodating the state to expansion state, upwards rotates to turn over the bedplate and is the open state and makes the backplate can upwards be in the complete expansion state, afterwards can cover to make the free end and can be in the backplate butt and expansion state in the backplate is in the expansion state.
Further, the rear end of saddle main part is provided with first rotation connecting portion, be provided with first rotation connecting piece on the back board, set up first mounting hole on the first rotation connecting piece, wear to be equipped with first pivot in the first mounting hole, be provided with first perforation on the first rotation connecting portion, first rotation connecting piece passes through first pivot wears to locate in proper order first perforation with first mounting hole and with first rotation connecting portion rotatable coupling.
Further, the front end of saddle main part is provided with the second and rotates connecting portion, be provided with the second on the bedplate and rotate the connecting piece, set up the second mounting hole on the second and rotate the connecting piece, wear to be equipped with the second pivot in the second mounting hole, be provided with the second on the second rotates the connecting portion and perforate, the second rotates the connecting piece through the second pivot wears to locate in proper order the second perforate with the second mounting hole and with the second rotates the rotatable coupling of connecting portion.
Further, the first rotation connecting portion is inwards sunken and one side with the installation cavity of accomodating the chamber intercommunication, be provided with rectangular dodging the hole on the bottom chamber wall of installation cavity, be provided with on the first rotation connecting piece and wear to establish dodge downthehole locating part, the back board is in when opening the state, the locating part with dodge the front end butt in hole is spacing, the back board is in when folding up the state, the locating part with dodge the rear end butt in hole is spacing.
Further, the upper end of the storage cavity is provided with a circle of stop edge, and when the seat plate is covered, the bottom end of the seat plate is stopped by the stop edge.
Further, the frame also comprises a front foot rest which can be unfolded or folded relative to the box body, the lower end of the front foot rest is provided with casters, and the bottom of the box body is provided with a rotating wheel.
Further, a telescopic pull rod is arranged on the frame.
Further, armrests are connected to two sides of the backboard.
Further, a soft cushion is arranged on the seat board.
Further, the size of the backrest plate is matched with the size of the containing cavity.
Compared with the prior art, the utility model has the following beneficial effects:
when the backrest is needed, the seat plate can be folded to be in an open state, then the backrest plate can be folded upwards to be in an unfolding state, then the seat plate is covered on the seat main body and the backrest plate is locked in the unfolding state, the backrest plate in the unfolding state is quite stable and convenient to use, and meanwhile the backrest plate can be stored in the storage cavity to be folded, so that the occupied volume of the suitcase is reduced.
Drawings
Fig. 1 is a schematic perspective view of a back board in an open state.
Fig. 2 is a schematic perspective view showing a back plate in an open state.
Fig. 3 is a schematic perspective view of a back board in a storage state in the present utility model.
Fig. 4 is a schematic perspective view of a frame in the present utility model.
Fig. 5 is a schematic perspective view of a saddle assembly according to the present utility model.
Fig. 6 is a schematic view showing an exploded structure of a seat assembly according to the present utility model.
Fig. 7 is a schematic view showing an exploded structure of a seat assembly according to the present utility model.
Detailed Description
The utility model is described in further detail below with reference to examples given in the accompanying drawings.
As shown in fig. 1 to 7, the luggage case with a foldable backrest provided in this embodiment includes a case 1 and a frame 2, the case 1 is disposed on the frame 2, and a saddle assembly 3 is connected to the frame 2. Specifically, in order to facilitate the pushing and pulling of the luggage, the frame 2 is provided with a telescopic pull rod 21. The seat assembly 3 includes a seat body 4, a back plate 5 and a seat plate 6, and in particular, a cushion 60 is further provided on the seat plate 6 for comfort of sitting by children. The top of the saddle body 4 is recessed inward and forms a receiving cavity 7, one end of the saddle plate 6 is rotatably connected with the front end of the saddle body 4, and the other end of the saddle plate 6 is a free end which can be opened and closed and can be covered on the receiving cavity 7. One end of the backboard 5 is rotatably connected with the rear end of the saddle main body 4, and the other end of the backboard 5 is a free end which can be opened and closed and can rotate relative to the saddle main body 4 until the backboard 5 is in an unfolding state or a storage state. Specifically, the two sides of the back board 5 are connected with the armrests 8, so that children can sit more comfortably and simultaneously the safety of the children is ensured.
As described above, in the initial state, the backboard 5 is in the storage state, and the backboard 5 is folded and stored in the storage chamber 7 and is covered by the seat plate 6. When the back board 5 is turned from the storage state to the unfolding state, the folding seat board 6 is turned upwards to be in an open state, so that the back board 5 can be folded upwards to be in a fully unfolding state, and then the seat board 6 can be covered to enable the free end of the seat board to be abutted on the back board 5 and lock the back board 5 in the unfolding state. Specifically, the size of the backboard 5 is adapted to the size of the storage chamber 7.
As described above, the rear end of the seat main body 4 is provided with the first rotation connecting portion 41, the backboard 5 is provided with the first rotation connecting member 51, the first rotation connecting member 51 is provided with the first mounting hole 52, the first rotation shaft 53 is provided in the first mounting hole 52 in a penetrating manner, the first rotation connecting portion 41 is provided with the first through hole 42, and the first rotation connecting member 51 is provided in a penetrating manner in sequence through the first through hole 42 and the first mounting hole 52 by the first rotation shaft 53 and is rotatably connected with the first rotation connecting portion 41.
As described above, the front end of the seat body 4 is provided with the second rotation connecting portion 43, the seat plate 6 is provided with the second rotation connecting member 61, the second rotation connecting member 61 is provided with the second mounting hole 62, the second mounting hole 62 is internally provided with the second rotation shaft 63, the second rotation connecting portion 43 is provided with the second perforation 44, and the second rotation connecting member 61 is sequentially provided with the second perforation 44 and the second mounting hole 62 through the second rotation shaft 63 in a penetrating manner and is rotatably connected with the second rotation connecting portion 43.
As described above, the first rotation connecting portion 41 is an installation cavity 45 which is recessed inward and one side of which is communicated with the storage cavity 7, the bottom cavity wall of the installation cavity 45 is provided with the elongated escape hole 46, and the first rotation connecting member 51 is provided with the stopper 47 which is inserted into the escape hole 46. When the backboard 5 is in the open state, the limiting piece 47 is in abutting limiting with the front end of the avoidance hole 46, and when the backboard 5 is in the folded state, the limiting piece 47 is in abutting limiting with the rear end of the avoidance hole 46.
As described above, the upper end of the receiving chamber 7 is provided with a circle of stop edge 71, and when the seat plate 6 is closed, the bottom end of the seat plate 6 is stopped by the stop edge 71.
As described above, the frame 2 further includes a front stand 22 that can be unfolded or folded with respect to the case 1, the lower end of the front stand 22 is provided with casters 23, and the bottom of the case 1 is provided with the wheel 11. When the front foot rest 22 and the case 11 are unfolded, a triangular supporting structure is formed with the ground, so that the child trunk is very stable when being pushed. When the front foot rest 22 is folded with the case body 1, the occupied space of the children's luggage can be reduced, and the children's luggage can be conveniently carried and stored.
In summary, when the backboard 5 is needed, the seat board 6 can be folded first to be in the open state, then the backboard 5 is folded upwards to be in the unfolded state, and then the seat board 6 is covered on the seat main body 4 and locks the backboard 5 in the unfolded state, so that the backboard 5 in the unfolded state is very stable and convenient to use. The back board 5 can be stored in the storage cavity 7, so that the occupied volume of the luggage case is reduced.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, i.e., the utility model is not limited to the specific embodiments described herein, but is to be accorded the full scope of the claims.