Combined trolley case structure

Abstract

The utility model discloses a combined trolley case structure, which relates to the field of luggage trolleys, comprising a luggage body and a trolley, wherein a loading and unloading assembly is fixedly installed in the middle of the back of the luggage body by bolts, a fixing assembly is fixedly connected to the bottom of the trolley surface, and a mounting assembly is fixedly connected to the side of the back of the luggage body. By setting the loading and unloading assembly, the fixing assembly and the mounting assembly, the screw rod is rotated during use, and under the limit of the limit rod, the screw rod rotates to drive the push plate to move horizontally up and down, and as the push plate moves downward, two protrusions are moved, the penetration rod is retracted into the penetration hole, and then the installation cylinder is pulled out of the sleeve cylinder, so that the trolley can be disassembled and replaced, reducing the use cost, and at the same time, the pull plate is slid to lay the placement plate flat, and then the A connecting rod and the B connecting rod on both sides are used for oblique pulling, so as to facilitate the placement of backpacks and other items on the placement plate, thereby increasing the placement space for people and items.

Description

Technical Field

[0001] The utility model relates to the field of luggage drawbars, in particular to a combined drawbar case structure. Background Art

[0002] Luggage is a kind of bag used to carry things, including general shopping bags, handbags, clutches, wallets, backpacks, shoulder bags, shoulder bags, waist bags and various trolley cases. Trolley cases refer to suitcases with a drawbar and rollers. The rollers assist the sliding of the luggage, making the luggage more convenient when used. When processing luggage, the luggage drawbar structure is involved, which is one of the important components of the luggage.

[0003] The existing luggage drawbars are not easy to separate and disassemble from the luggage. The drawbars of the luggage are consumable parts. After long-term use, the drawbars are prone to breakage or other parts are damaged. If damaged, the entire drawbar case cannot be used, thereby increasing the cost of use.

[0004] To this end, we proposed a combined trolley case structure. Utility Model Content

[0005] The utility model provides a combined trolley case structure.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a combined trolley case structure, comprising a case body and a trolley, a loading and unloading assembly is fixedly installed on the middle part of the back of the case body by bolts, a fixing assembly is fixedly connected to the bottom of the trolley surface, and a placing assembly is fixedly connected to the side of the back of the case body;

[0007] The loading and unloading assembly includes a mounting plate, both sides of the front side of the mounting plate are fixedly connected with a sleeve tube, both sides of the sleeve tube are provided with a through hole, the bottom of the sleeve tube is threaded with a screw rod, the top of the screw rod is rotatably connected with a push plate through a mounting bearing, the bottom of both sides of the push plate are fixedly connected with a limit rod, and both sides of the inner wall of the sleeve tube are provided with a limit groove matched with the limit rod.

[0008] Preferably, the fixing assembly includes a mounting tube, a groove is formed at the bottom of the mounting tube, mounting holes are formed on both sides of the groove, a penetration rod is inserted into the inside of the mounting hole, a protrusion is fixedly connected to the other end of the penetration rod, a spring is sleeved on one side of the surface of the penetration rod, and the two ends of the spring are respectively fixedly connected to one side of the protrusion and one side of the groove; when the push plate moves downward, under the rebound force of the spring, the protrusions on both sides drive the penetration rod to contract, and then the mounting tube is disassembled.

[0009] Preferably, the stacking assembly includes a placement plate, one side of which is hinged to the bottom of two sleeve tubes through a hinge, both sides of the upper surface of the placement plate are rotatably connected to an A connecting rod through an A movable hinge, the other end of the A connecting rod is rotatably connected to a B connecting rod through a pin shaft, and the other end of the B connecting rod is rotatably connected to the back of the bag body through a B movable hinge; the placement plate is laid flat, and the A connecting rod and the B connecting rod are straightened, and under the pulling force of the A connecting rod and the B connecting rod, a pulling force is given to the placement plate to move, so that people's backpacks and other items can be conveniently placed on the placement plate.

[0010] Preferably, universal wheels are fixedly connected to the four corners of the bottom of the bag body, and a cushion block is provided on one side of the bag body; the cushion block facilitates the bag body to be kept away from the ground when it is placed horizontally, thereby protecting the case body.

[0011] Preferably, a sliding sleeve is fixedly connected to the middle of the front side of the mounting plate, and a pulling plate is slidably connected to the middle of the sliding sleeve; the placing plate is blocked and limited by the pulling plate, and the placing plate is folded and stored.

[0012] Preferably, the bottom of the pull rod surface is connected to the inner wall of the installation tube, and the bottom of the installation tube is inserted into the interior of the sleeve tube; through the cooperation between the installation tube and the sleeve tube, the pull rod can be easily disassembled and replaced, thereby reducing the use cost.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model is provided with a loading and unloading assembly, a fixing assembly and a placing assembly. When in use, the screw rod is rotated. Under the limit of the limit rod, the screw rod rotates to drive the propulsion plate to move horizontally up and down. As the propulsion plate moves downward, the two protrusions are moved to retract the penetration rod into the penetration hole, and then the installation tube is pulled out from the sleeve tube, so that the pull rod can be disassembled and replaced, reducing the cost of use. At the same time, the pull plate is slid to lay the placement plate flat, and then the A connecting rod and B connecting rod on both sides are used for oblique pulling, so that it is convenient to place backpacks and other items on the placement plate, thereby increasing the space for placing people and items. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the loading and unloading components of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the fixed component of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the assembly of the utility model.

[0019] In the figure: 1. luggage body; 2. pull rod; 3. loading and unloading assembly; 301. mounting plate; 302. sleeve tube; 303. screw rod; 304. push plate; 305. limit rod; 4. fixing assembly; 401. mounting tube; 402. penetration rod; 403. bump; 404. spring; 5. placing assembly; 501. placement plate; 502. A connecting rod; 503. B connecting rod; 6. universal wheel; 7. cushion block; 8. sliding sleeve; 9. pulling plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4 , a combined trolley case structure shown in the figure includes a case body 1 and a trolley 2, a loading and unloading assembly 3 is fixedly installed on the middle part of the back of the case body 1 by bolts, a fixing assembly 4 is fixedly connected to the bottom of the surface of the trolley 2, and a placing assembly 5 is fixedly connected to the side of the back of the case body 1;

[0023] The loading and unloading assembly 3 includes a mounting plate 301, both sides of the front side of the mounting plate 301 are fixedly connected with a sleeve 302, both sides of the sleeve 302 are provided with a through hole, the bottom of the sleeve 302 is threaded with a screw rod 303, the top of the screw rod 303 is rotatably connected with a push plate 304 through a mounting bearing, the bottom of both sides of the push plate 304 are fixedly connected with a limit rod 305, and both sides of the inner wall of the sleeve 302 are provided with a limit groove adapted to the limit rod 305.

[0024] In this embodiment: when the pull rod 2 is damaged, rotate the screw rod 303. Under the limit of the limit rod 305, the screw rod 303 rotates to drive the push plate 304 to move horizontally up and down. As the push plate 304 moves downward, the two protrusions 403 are moved, and the penetration rod 402 is retracted into the penetration hole. Then, the installation tube 401 is pulled out from the sleeve tube 302, and a new pull rod 2 is replaced. At the same time, when the bag body 1 is in use, the pull plate 9 is slid upward to lay the placement plate 501 flat. Then, under the pulling force of the A connecting rod 502 and the B connecting rod 503, the placement plate 501 is convenient for placing people's backpacks and other items.

[0025] See also Figure 1 and Figure 2As shown in the figure, the stacking assembly 5 includes a placement plate 501, one side of which is hinged to the bottom of two sleeve tubes 302 through a hinge, and both sides of the upper surface of the placement plate 501 are rotatably connected to the A connecting rod 502 through an A movable hinge, and the other end of the A connecting rod 502 is rotatably connected to the B connecting rod 503 through a pin shaft, and the other end of the B connecting rod 503 is rotatably connected to the back of the bag body 1 through a B movable hinge.

[0026] In this embodiment: the placement plate 501 is laid flat, and the A connecting rod 502 and the B connecting rod 503 are straightened. Under the pulling force of the A connecting rod 502 and the B connecting rod 503, a pulling force is applied to the placement plate 501 to move, so that the placement plate 501 can be conveniently used to place backpacks and other items of a person.

[0027] Example 2

[0028] See also Figure 1 and Figure 3 This embodiment further explains Example 1. The fixing component 4 shown in the figure includes a mounting tube 401. A groove is formed at the bottom of the mounting tube 401. Mounting holes are formed on both sides of the groove. A penetrating rod 402 is inserted into the mounting hole. A protrusion 403 is fixedly connected to the other end of the penetrating rod 402. A spring 404 is sleeved on one side of the surface of the penetrating rod 402. The two ends of the spring 404 are respectively fixedly connected to one side of the protrusion 403 and one side of the groove.

[0029] In this embodiment, when the push plate 304 moves downward, under the rebound force of the spring 404, the protrusions 403 on both sides drive the penetration rod 402 to contract, thereby disassembling the installation cylinder 401.

[0030] See also Figure 1 and Figure 2 As shown in the figure, a sliding sleeve 8 is fixedly connected to the middle of the front side of the mounting plate 301, and a pulling plate 9 is slidably connected to the middle of the sliding sleeve 8.

[0031] In this embodiment: the placement plate 501 is blocked and limited by the pulling plate 9, and the placement plate 501 is folded and stored.

[0032] See also Figure 1 and Figure 2 In the figure, universal wheels 6 are fixedly connected to the four corners of the bottom of the bag body 1, and a cushion block 7 is provided on one side of the bag body 1.

[0033] In this embodiment, the cushion block 7 is used to keep the bag body 1 away from the ground when the bag body 1 is placed horizontally, so as to protect the bag body 1.

[0034] Example 3

[0035] See also Figure 2 and Figure 4 As shown in the figure, the bottom of the surface of the pull rod 2 is connected to the inner wall of the mounting tube 401 , and the bottom of the mounting tube 401 is inserted into the interior of the sleeve tube 302 .

[0036] In this embodiment, the installation tube 401 and the sleeve tube 302 cooperate to facilitate the disassembly and replacement of the pull rod 2, thereby reducing the use cost.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined trolley case structure, characterized in that: The bag comprises a bag body (1) and a pull rod (2), wherein a loading and unloading assembly (3) is fixedly mounted on the middle of the back of the bag body (1) by means of bolts, a fixing assembly (4) is fixedly connected to the bottom of the pull rod (2), and a placing assembly (5) is fixedly connected to the side of the back of the bag body (1); The loading and unloading assembly (3) comprises a mounting plate (301), both sides of the front side of the mounting plate (301) are fixedly connected with a sleeve (302), both sides of the sleeve (302) are provided with a through hole, a screw rod (303) is threadedly passed through the bottom of the sleeve (302), the top of the screw rod (303) is rotatably connected with a propulsion plate (304) via a mounting bearing, both bottom sides of the propulsion plate (304) are fixedly connected with a limiting rod (305), and both sides of the inner wall of the sleeve (302) are provided with a limiting groove matched with the limiting rod (305).

2. The combined trolley case structure according to claim 1, characterized in that: The fixing assembly (4) comprises a mounting tube (401), a groove is formed at the bottom of the mounting tube (401), mounting holes are formed on both sides of the groove, a penetration rod (402) is inserted into the mounting hole, a protrusion (403) is fixedly connected to the other end of the penetration rod (402), a spring (404) is sleeved on one side of the surface of the penetration rod (402), and two ends of the spring (404) are respectively fixedly connected to one side of the protrusion (403) and one side of the groove.

3. The combined trolley case structure according to claim 1, characterized in that: The stacking assembly (5) comprises a placement plate (501), one side of which is hinged to the bottom of two sleeve tubes (302) via a hinge, both sides of the upper surface of the placement plate (501) are rotatably connected to an A connecting rod (502) via an A movable hinge, the other end of the A connecting rod (502) is rotatably connected to a B connecting rod (503) via a pin shaft, and the other end of the B connecting rod (503) is rotatably connected to the back side of the bag body (1) via a B movable hinge.

4. The combined trolley case structure according to claim 1, characterized in that: Universal wheels (6) are fixedly connected to the four corners of the bottom of the bag body (1), and a cushion block (7) is provided on one side of the bag body (1).

5. The combined trolley case structure according to claim 1, characterized in that: A sliding sleeve (8) is fixedly connected to the middle of the front side of the mounting plate (301), and a pulling plate (9) is slidably connected to the middle of the sliding sleeve (8).

6. The combined trolley case structure according to claim 2, characterized in that: The bottom of the surface of the pull rod (2) is connected to the inner wall of the installation tube (401), and the bottom of the installation tube (401) is inserted into the interior of the sleeve tube (302).

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