RELATED APPLICATIONS
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This application claims priority to
Chinese patent application number 202421470491.1, filed on June 26, 2024 .
Chinese patent application number 202421470491.1 is incorporated herein by reference.
FIELD OF THE DISCLOSURE
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The present disclosure relates to the technical field of packaging cases, and in particular relates to a packaging case with a folding pull rod.
BACKGROUND OF THE DISCLOSURE
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Packaging cases are transportation tools that are easily portable, space-saving, and environmentally friendly, and in order to facilitate carrying and transportation, a pull rod will generally be installed on the packaging cases. A design of the pull rod should take a size and a weight of a case body into account, as well as a carrying capacity and a use experience of the pull rod, and a common design of the pull rod comprises: 1. a fixed pull rod, a case is fixed to the pull rod, and the case can be directly pulled to move by hand; 2. a telescopic pull rod, a length of the pull rod can be adjusted according to actual needs, and for easier relocation, the length of the pull rod can be adjusted during use.
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The existing telescopic pull rod is currently the most commonly used structure of the packaging case, the telescopic pull rod has the advantages of flexible length adjustment, but there are some shortcomings in an operation process: first, as the pull rod is a draw-out type, telescopic rod parts are usually more fragile and it is easy to cause damage to the pull rod due to excessive collisions, impacts, and other improper uses, thus affecting a normal use; second, when the pull rod is drawn out for a long time, an inner spring may sometimes be broken and fall out, or parts inside the pull rod are misplaced after the pull rod is drawn out, resulting in the pull rod not being able to be pressed back, and these situations will make it so that the pull rod cannot be drawn out or pressed back normally, thus bringing the user troubles.
BRIEF SUMMARY OF THE DISCLOSURE
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In order to solve the problems that the existing telescopic pull rod installed on packaging cases is easily damaged, has poor durability, and is easy to cut off, loose, etc. in a pull operation, the present disclosure provides a packaging case with a folding pull rod, the folding pull rod is relatively sturdy and durable relative to the telescopic pull rod; and the pull rod can be folded and can be straightened to be fixed to then pull the packaging case, which does not easily fail and is easy to use.
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In order to solve the aforementioned technical problems, the present disclosure provides a packaging case with a folding pull rod, it comprises a case body and the pull rod disposed on the case body; the pull rod has at least one fold, the case body comprises a buckling groove and a buckling member, when the pull rod is folded, its rod body after being folded is embedded in the buckling groove and is fixed to the case body by buckling to the buckling member; and the buckling member is configured to release the pull rod.
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In a preferred embodiment, the pull rod comprises a fixed rod and a folding rod, the fixed rod is fixed to the case body, and the folding rod is connected to the fixed rod by a connecting member;
The connecting member is configured to release a restriction in folding of the folding rod or restrict the folding rod from the folding.
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In a preferred embodiment, the connecting member comprises a folding joint and a sleeve tube, and the folding rod and the fixed rod are connected by the folding joint; the sleeve tube is movably sleeved over an outer side of the folding rod;
When the folding rod is unfolded, the sleeve tube moves downward along a rod body of the folding rod to be sleeved over an outer side of the folding joint, and the sleeve tube restricts the folding joint from being folded;
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When the sleeve tube moves upward along the rod body of the folding rod to be misaligned with the folding joint, the sleeve tube releases a restriction in folding of the folding joint.
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In a preferred embodiment, the sleeve tube comprises a locking hole, and an elastic locking core is disposed on the folding rod;
- When the sleeve tube is sleeved over the outer side of the folding joint, the elastic locking core pops out to be buckled into the locking hole to lock the sleeve tube;
- The elastic locking core is squeezed to contract inward to be separated from the locking hole to unlock the sleeve tube.
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In a preferred embodiment, the pull rod comprise an L-shaped fixed rod, a first folding rod, and a second folding rod; and the L-shaped fixed rod is fixed to a bottom surface and a side surface of the case body;
- The first folding rod and the L-shaped fixed rod are connected by a first connecting member, and the second folding rod and the first folding rod are connected by a second connecting member;
- The first connecting member is configured to release a restriction in folding of the first folding rod and the L-shaped fixed rod or restrict the first folding rod and L-shaped fixed rod from the folding, and the second connecting member is configured to release a restriction in folding of the first folding rod and the second folding rod or restrict the first folding rod and the second folding rod from the folding.
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In a preferred embodiment, a top surface of the case body comprises the buckling groove, the buckling member is disposed on the side surface of the case body, and the buckling member is disposed opposite to the L-shaped fixed rod;
When the pull rod is folded, the first folding rod is folded toward the top surface of the case body to be embedded in the buckling groove, and the second folding rod is folded toward the side surface of the case body to be buckled to the buckling member.
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In a preferred embodiment, the case body comprises an accommodating case, a case cover, and case-locking members, and the case-locking members are disposed on a left side surface and a right side surface of the case body;
The case cover covers a top of accommodating case to be connected and locked by the case-locking members; and the case-locking members are configured to release the case cover.
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In a preferred embodiment, the case-locking members comprise fastening edges disposed on side surfaces of the accommodating case and grooves disposed on side surfaces of the case cover;
The fastening edges are configured to be turned relative to the accommodating case, the fastening edges comprise slots, insertion blocks are disposed in the grooves, and the slots are connected to the insertion blocks by plugging.
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In a preferred embodiment, wheels and a protrusion are disposed on a bottom surface of the case body.
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A packaging case with a folding pull rod, it comprises a case body and the pull rod disposed on the case body; the pull rod comprises L-shaped fixed rods, first folding rods, and second folding rods; a top surface of the case body comprises buckling grooves, and a buckling member is disposed on a front side surface of the case body;
- The L-shaped fixed rods are fixed to a bottom surface and a rear side surface of the case body; the first folding rods are configured to be folded relative to the L-shaped fixed rods, and the second folding rods are configured to be folded relative to the first folding rods;
- After being folded, the first folding rods are embedded in the buckling grooves, and the second folding rods are buckled to the buckling member.
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In a preferred embodiment, each of the L-shaped fixed rods, the first folding rods, and the second folding rods comprises a first rod member and a second rod member;
The second folding rods define a U-shaped rod; and after being folded, a cross rod of the U-shape rod of the second folding rods is buckled to the buckling member.
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In a preferred embodiment, both of the first folding rods and the L-shaped fixed rods and the second folding rods and the first folding rods are connected by folding joints; and U-shaped tubes are respectively movably disposed on two ends of the first folding rods;
- Two ends of the U-shaped tubes are sleeve tubes having certain lengths, and the sleeve tubes on the two ends are respectively slidingly sleeved over the first rod member and the second rod member of the first folding rods;
- The sleeve tubes slide along rod bodies of the rod members for restricting the folding joints from folding or releasing a restriction in the folding of the folding joints.
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In a preferred embodiment, elastic locking cores are disposed on both of the first rod member and the second rod member of the first folding rods, and the sleeve tubes on the two ends of the U-shaped tubes comprise locking holes;
- When the sleeve tubes are sleeved over outer sides of the folding joints to restrict the folding joints from being folded, the elastic locking cores pop out to be buckled into the locking holes to lock the sleeve tubes from sliding;
- The elastic locking cores are squeezed to contract inward to be separated from the locking holes so as to unlock the sliding of the sleeve tubes.
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In a preferred embodiment, the buckling grooves comprise two first buckling grooves and two second buckling grooves, the two first buckling grooves and the two second buckling grooves are disposed on the top surface of the case body, the two first buckling grooves are respectively in communication with the two second buckling grooves;
The two second buckling grooves are U-shaped grooves for placing the U-shaped tubes, and the two first buckling grooves are vertical grooves for respectively placing the first rod member and the second rod member of the first folding rods.
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Compared with the existing techniques, the technical solution has the following advantages.
- 1. A structure of the folding pull rod is provided, the pull rod is embedded in the case body after being folded, a folding space of the pull rod and the case body are designed to be integrated, a space occupied by the folding is reduced, it is easy to house and store and suitable for scenarios where it is not in use for a long term or where there is a limited space.
- 2. The packaging case is added with the structure of the folding pull rod, which is relatively sturdy and durable compared to the telescopic pull rod, merely two rod members need to be folded, hardnesses and materials of the fixed rods and the folding rods are same, a phenomenon in the existing technology in which telescopic rod parts are fragile and are easily damaged when the telescopic pull rod is used is solved, and the structure is sturdier than the telescopic pull rod.
- 3. The folding rod structure has a simple structure and is easy to use: the folding pull rod merely needs a design in which the two rod members are folded and merely needs to be unfolded and folded without adjusting a length and without repeated pulling during use, and the structure is more stable than the telescopic pull rod and has a long service life.
BRIEF DESCRIPTION OF THE DRAWINGS
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- FIG. 1 illustrates a perspective view of a front surface of a packaging case (with a pull rod being folded) in a preferred embodiment of the present disclosure;
- FIG. 2 illustrates a perspective view of a bottom surface of the packaging case (with the pull rod being folded) in the preferred embodiment of the present disclosure;
- FIG. 3 illustrates a structural diagrammatic view of a wheel and a protrusion on the bottom surface of the packaging case in the preferred embodiment of the present disclosure;
- FIG. 4 illustrates a perspective view of the front surface of the packaging case (with the pull rod being unfolded) in the preferred embodiment of the present disclosure;
- FIG. 5 illustrates a perspective view of the bottom surface of the packaging case (with the pull rod being unfolded) in the preferred embodiment of the present disclosure;
- FIG. 6 illustrates a diagrammatic view of a U-shaped tube and a folding joint in the preferred embodiment of the present disclosure after the pull rod is folded;
- FIG. 7 illustrates a diagrammatic view of a locking of the U-shaped tube in the preferred embodiment of the present disclosure after the pull rod is unfolded;
- FIG. 8 illustrates a structural diagrammatic view of a case cover in the embodiment of the present disclosure;
- FIG. 9 illustrates a diagrammatic view of an elastic member and a base in a packaging case in Embodiment 1of the present disclosure;
- FIG. 10 illustrates a diagrammatic view of a usage state of the packaging case in Embodiment 1 of the present disclosure; and
- FIG. 11 illustrates a structural diagrammatic view of a spring pad in Embodiment 1 of the present disclosure.
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Reference numbers in the accompanying drawings: case body 1; accommodating case 11; case cover 12; case-locking member 13; fastening edge 131; slot 132; groove 133; insertion block 134; avoidance groove 14; first buckling groove 15; second buckling groove 16; buckling member 17; pull rod 2; L-shaped fixed rod 21; first L-shaped rod member 211; second L-shaped rod member 212; first folding rod 22; first rod member 221; second rod member 222; elastic locking core 223; second folding rod 23; third rod member 231; fourth rod member 232; cross rod 233; first folding joint 24; second folding joint 25; first U-shaped tube 26; sleeve tube 261; connecting tube 262; locking hole 263; second U-shaped tube 27; wheel 3; protrusion 4; spring pad 5; elastic member 51; and base 52.
DETAILED DESCRIPTION OF THE EMBODIMENTS
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The technical solutions of the embodiments of the present disclosure will be clearly and completely described below in combination with the drawings of the embodiments of the present disclosure; and it should be obvious that the embodiments described are merely some of the embodiments of the present disclosure instead of all embodiments, and all other embodiments fall into the protection scope of the present disclosure provided that they are obtained by a person of skill in the art based on the embodiments of the present disclosure without creative works.
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In the description of the present disclosure, it should be noted that terms, such as "upper", "lower", "inner", "outer", and "top/bottom", refer to orientations or positional relationships based on the orientations and the positional relationships shown in the drawings, are used for convenience in describing the present disclosure and simplifying the description, rather than indicating or implying that the device or the element should have a specified orientation or should be constructed or operated in a specified orientation, and therefore should not be interpreted as a limitation of the present disclosure. Additionally, the terms "first" and "second" are merely used for descriptive purposes and should not be understood to indicate or imply relative importance.
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In the description of the present disclosure, unless otherwise clearly stated or limited, it should be noted that terms, such as "installed", "disposed", "mounted/sleeved", and "connected", should develop broad understandings, for example, "connected" can refer to a wall-mounted connection, a detachable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, or an internal communication between two components, and the specified meaning of the terms in the present disclosure can be understood by those of skill in the art based on the specified conditions.
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Referring to FIGS. 1-8, this embodiment provides a packaging case with a folding pull rod, the packaging case with the folding pull rod is a packaging case that is easily portable, space-saving, and environmentally friendly, characterized in that, a structure of the folding pull rod is added for convenience in carrying and relocation, and the packaging case can be used for storing and carrying furniture, instruments, equipment, and the like.
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A body part of the packaging case is a case body 1, which comprises an accommodating case 11 having a space for placing items and a case cover 12, a bottom plate and four side plates surround to define the accommodating case 11, and the case cover 12 is used to cover a top of the accommodating case 11 to protect the items inside the case from infringement of objects and factors, such as dust, moisture, and sunlight.
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In order to enable the packaging case to store items, to be carried, and to be transported conveniently, case-locking members 13 are disposed on an outer portion of the case body 1, and the case-locking members 13 are disposed on a left side surface and a right side surface of the case body 1 to be connected to and locked to both sides of the case cover 12, ensuring that the case cover 12 is completely closed and stable, so as to ensure a security of the items inside the accommodating case 11 and to prevent a collision occurrence caused by an external force. The case-locking members 13 have a security function that prevents theft and unauthorized personnel from accessing the items inside the accommodating case 11.
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As shown in FIG. 9, specific structures of the case-locking members 13 comprise fastening edges 131 disposed on side surfaces of the accommodating case 11 and grooves 133 provided on side surfaces of the case cover 12, and shapes of the fastening edges 131 and the grooves 133 conform to each other. The fastening edges 131 are rotatably mounted on the accommodating case 11 and are configured to be turned upward relative to the accommodating case 11 to be fastened to inner sides of the grooves 133, the fastening edges 131 comprise slots 132, insertion blocks 134 are disposed in the grooves 133, the slots 132 are connected to the insertion blocks 134 by plugging so as to be connected and locked to the case cover 12, the fastening edges 131 are configured to be turned downward to be separated from the grooves 133, a connection of the slots 132 and the insertion blocks 134 are released, and the case cover 12 is opened.
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It should be noted that this embodiment provides merely one structure of the case-locking members 13, and the structure of the case-locking members 13 can also adopt other existing locking structures, such as fastening edge-type cover-closing locking, spring-type cover-closing locking, block-type cover-closing locking, and electronic cover-closing locking.
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In order to facilitate transportation, wheels 3 are disposed on a bottom surface of the case body 1, the case body 1 is relocated by the pull rod 2, the wheels 3 are disposed on a rear side position of the case body 1, a protrusion 4 is disposed adjacent to a front side position of the bottom surface of the case body 1, as shown in FIG. 3, when the case body 1 is in a process of storing the items, the protrusion 4 is used as a bottom support, according to one aspect, a long term storage of the case body 1 is facilitated without the wheels 3 being damaged by pressure of single-side support, and according to another aspect, the case body 1 is balanced for convenience in an operation of placing and taking the items.
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An installation structure of the folding pull rod 2 and the case body 1 is that the pull rod 2 comprises L-shaped fixed rods 21, first folding rods 22, and second folding rods 23, the L-shaped fixed rods 21 are divided into a first L-shaped rod member 211 and a second L-shaped rod member 212, the first folding rods 22 are divided into a first rod member 221 and a second rod member 222, the second folding rods 23 are divided into a third rod member 231, a fourth rod member 232, and a cross rod 233, and the second folding rods 23 form a U-shaped rod by the third rod member 231, the fourth rod member 232, and the cross rod 233. The cross rod 233 serves a handgrip function when the pull rod 2 is unfolded for use.
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A folding structure of the pull rod 2 is that ends of the first L-shaped rod member 211 and the second L-shaped rod member 212 of the L-shaped fixed rods 21 are respectively connected to bottom ends of the first rod member 221 and the second rod member 222 of the first folding rods 22 through two first folding joints 24, and the first folding rods 22 can be folded relative to the L-shaped fixed rods 21 through the first folding joints 24. Top ends of the first rod member 221 and the second rod member 222 of the first folding rods 22 are respectively connected to ends of the third rod member 231 and the fourth rod member 232 of the second folding rods 23 through two second folding joints 25, and the second folding rods 23 can be folded relative to the first folding rods 22 through the second folding joints 25.
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The folding joints in this embodiment are joints that can be folded and be connected to two rod members, a connection angle can be changed to allow the two rod members to be folded opposite to each other, the folding joints can be U-shaped joints with built-in folding elastic blade pins, and a folding function can be achieved through a rotational connection of two of the U-shaped joints.
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In order to increase a usage stability of the pull rod 2, a first U-shaped tube 26 (i.e., first connecting member) and a second U-shaped tube 27 (i.e., second connecting member) are disposed on the first folding rods 22 corresponding to the first folding joints 24 and the second folding joints 25, and a U-shaped tube comprises two sleeve tubes 261 and a connecting tube 262 connected to the two sleeve tubes 261, the two sleeve tubes 261 are respectively slidably sleeved over the first rod member 221 and the second rod member 222 (e.g., a rod body of the first rod member 221 and the second rod member 222), and the connecting tube 262 is used for a handgrip operation to operate the two sleeve tubes 261 to slide on the first rod member 221 and the second rod member 222 conveniently. The two sleeve tubes 261 and the two first folding joints 24 form connecting members 20 or the two sleeve tubes 261 and the two second folding joints 25 form connecting members 20.
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The two sleeve tubes 261 have certain lengths, and the lengths meet the requirement that when the two sleeve tubes 261 are slidably sleeved over positions of the first folding joints 24 or the second folding joints 25, the sleeve tubes 261 are sleeved over the first folding joints 24 or the second folding joints 25, tube lengths of the sleeve tubes 261 are used to restrict the first folding joints 24 or the second folding joints 25 from being folded, and therefore, an unfolding of the first folding rod 22 and the second folding rod 23 of the pull rod 2 is locked to lock the pull rod 2 in a state for relocation use, thus avoiding accidental folding of the folding rods during use.
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In order to strengthen a locking of the sleeve tubes 261, elastic locking cores 223 are disposed on the first rod member 221 and the second rod member 222 respectively corresponding to the sleeve tubes 261, locking holes 263 are disposed on the sleeve tubes 261, and when the sleeve tubes 261 are sleeved over the first folding joints 24 or the second folding joints 25, the elastic locking cores 223 pop out to be buckled into the locking holes 263 to lock the sleeve tubes 261 from sliding. When unlocking is required, the sleeve tubes 261 can be operated to slide by merely squeezing the elastic locking cores 223 inward, thus contracting inward to be separated from the locking holes 263.
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A rear side surface of the case body 1 comprises two avoidance grooves 14, the L-shaped fixed rods 21 are fixed to the bottom surface and the rear side surface of the case body 1 through L-shaped structures thereof, rod bodies of the first L-shaped rod member 211 and the second L-shaped rod member 212 fixed to the rear side surface are respectively embedded in the two avoidance grooves 14, according to one aspect, the L-shaped fixed rods 21 are embedded in the case body 1, so that an overall appearance is flat and beautiful, and according to another aspect, a cooperation of the avoidance grooves 14 and the L-shaped fixed rods 21 can increase strength and durability of the case body 1, enhance load strength of the case body 1, and ensure a security of the items during the transportation.
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As shown in FIG. 8, a top surface of the case body 1 (i.e., an upper end surface of the case cover 12) comprises two first buckling grooves 15 and two second buckling grooves 16, and the two first buckling grooves 15 are respectively in communication with the two second buckling grooves 16. The two second buckling grooves 16 are U-shaped grooves respectively for placing the first U-shaped tube 26 and the second U-shaped tube 27, and the two first buckling grooves 15 are vertical grooves respectively for placing the first rod member 221 and the second rod member 222 of the first folding rods 22. A buckling member 17 is disposed on a front side surface of the case body 1, and the buckling member 17 and the avoidance grooves 14 are oppositely disposed on two side surfaces of the case body 1. After being folded, the first folding rods 22 are embedded in the first buckling grooves 15, the U-shaped tubes are embedded in the second buckling grooves 16, and the cross rod 233 of the second folding rods 23 is buckled to the buckling member 17 to enable the pull rod 2 to be folded. The pull rod 2 can be folded and embedded in the case body 1 by an arrangement of the first buckling grooves 15 and the second buckling grooves 16 when not in use, and a space occupied by the pull rod 2 after being folded is reduced for convenience in housing and storage.
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As shown in FIGS. 4 and 5, when the pull rod 2 of the packaging case is in use, the cross rod 233 of the second folding rods 23 are held, the second folding rods 23 are folded upward to be aligned with the first folding rods 22, the second U-shaped tube 27 is pulled to slide until the elastic locking cores 223 are buckled to the locking holes 263, at this time, the second U-shaped tube 27 is sleeved over outer sides of the second folding joints 25 to restrict the second folding joints 25 from being folded, and at this time, the transportation of the case body 1 can be pulled by the pull rod 2.
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In a state that the second folding rods 23 have been unfolded, unfolding of the first folding rods 22 is carried out, the cross rod 233 of the second folding rods 23 is held, the first folding rods 22 are continually folded upward so as to be vertically upward and aligned with the L-shaped fixed rods 21 fixed to the side surface of the case body 1, the first U-shaped tube 26 is pulled to slide to enable the elastic locking cores 223 to be buckled to the locking holes 263, at this time, the first U-shaped tube 26 is sleeved over outer sides of the first folding joints 24 to restrict the first folding joints 24 from being folded, and at this time, the transportation of the case body 1 can be pulled by operating the pull rod 2.
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As shown in FIGS. 1 and 2, when the pull rod 2 is not in use, the elastic locking cores 223 are pressed to sequentially unlock the first U-shaped tube 26 and the second U-shaped tube 27, the first U-shaped tube 26 and the second U-shaped tube 27 then slide sequentially to unlock the first folding joints 24 and the second folding joints 25, the first folding rods 22 are folded toward the top surface of the case body 1 to be embedded in the first buckling grooves 15, and the second folding rods 23 are folded towards the side surface of the case body 1 to be buckled to the buckling member 17 to complete folding and storage of the pull rod 2.
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Embodiment 1, as shown in FIGS. 9-11.
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A usage scenario of a packaging case is provided, and the packaging case is a packaging case on which a folding pull rod is disposed.
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The packaging case can be used for storage and transportation of a spring pad 5, the spring pad 5 comprises elastic members 51 and bases 52 configured for spliced connection, and the spliced connection means that all of the elastic members 51, the elastic members 51 and the bases 52, and the bases 52 can be spliced.
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Multiple of the bases 52 can be stacked, multiple of the elastic members 51 can be stacked, after the bases 52 and the elastic members 51 are stacked, the bases 52 and the elastic members 51 are sequentially placed in the packaging case, the elastic members 51 are tapered elastic members 51 with built-in springs, and the bases 52 and the elastic members 51 are alternatively placed in the packaging case to complete disassembly and storage of a spring bed.
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The invention may be summarized as follows: The present disclosure provides a packaging case with a folding pull rod, it comprises a case body and the pull rod disposed on the case body; the pull rod has at least one fold, the case body comprises a buckling groove and a buckling member, when the pull rod is folded, its rod body after being folded is embedded in the buckling groove and is fixed to the case body by buckling to the buckling member; the buckling member is configured to release the pull rod; the pull rod comprises L-shaped fixed rods, first folding rods, and second folding rods; a top surface of the case body comprises buckling grooves, and a buckling member is disposed on a front side surface of the case body; the L-shaped fixed rods are fixed to a bottom surface and a rear side surface of the case body; the first folding rods are configured to be folded relative to the L-shaped fixed rods, and the second folding rods are configured to be folded relative to the first folding rods; after being folded, the first folding rods are embedded in the buckling grooves, and the second folding rods are buckled to the buckling member; and the packaging case is disposed with the folding pull rod, which is relatively sturdy and durable compared to the telescopic pull rod.
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The aforementioned description is merely specific implement methods of the present disclosure, however, the design and the concept of the present disclosure are not limited thereto, and all of non-substantive modifications of the present disclosure fall within the protection scope of the present disclosure provided that they are made based on the concept within the technical scope disclosed by the present disclosure by any person familiar with skill in the art.