Luggage case with pull rod convenient to replace
By installing the base plate and cover plate on the inner wall of the suitcase, and using the pin and screw connection method, the tie rod assembly is detachable and easy to replace, solving the problem that the existing suitcase lever cannot be repaired and extending the service life of the suitcase.
Patent Information
- Application Number
- CN202422289881.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-09-19
AI Technical Summary
The trolley of the existing suitcase cannot be re-maintained and replaced, resulting in the trolley being damaged and the suitcase can only be abandoned.
A suitcase that is easy to replace the tie rod is designed. By installing the base plate, upper cover plate and lower cover plate on the inner wall of the suitcase, the connecting method of pins and screws makes the tie rod assembly detachable and easy to replace.
It realizes rapid disassembly and replacement of tie rod components, extending the service life of the suitcase.
Smart Images

Figure CN223207984U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of luggage cases, in particular to a luggage case with a pull rod that is convenient for replacement. Background Art
[0002] A suitcase, also known as a travel case or trolley case, is a type of luggage used to carry items when traveling. It is typically used to store clothing, personal care items, and souvenirs needed for travel.
[0003] The existing luggage case's drawbar is directly fixed to the suitcase by screws, but the drawbar and pulley are structures that are easily damaged. Since the drawbar with the existing fixing method cannot be repaired or replaced, the suitcase has to be abandoned after the drawbar is damaged. Therefore, the present invention invents a suitcase with an easy-to-replace drawbar. Utility Model Content
[0004] The purpose of the present utility model is to provide a suitcase with a convenient replacement of a drawbar, so as to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above objectives, the present invention provides the following technical solutions:
[0006] A suitcase with easy-to-replace draw rods comprises a suitcase and a draw rod assembly, the draw rod assembly comprising an outer shell, a base plate fixedly mounted on the bottom of the inner wall of the suitcase, and positioning pins fixedly mounted at both ends of the top of the base plate; a lower cover plate fixedly mounted on the top of the inner wall of the suitcase, and an upper cover plate fixedly mounted on the outer wall of the suitcase, through holes being formed at both ends of the upper cover plate and the lower cover plate, and a shell being provided inside the through hole, a slot being formed on the side wall of the shell, and latch holes being formed on both sides of the bottom of the lower cover plate, latches being mounted on the inner walls of the latch holes, the latches being connected to the slots, the latches being fixedly connected to the lower cover plate by four screws, and the bottom of the shell being fixedly mounted on the positioning pins by two screws.
[0007] In a preferred embodiment of the present invention, a pulley seat is provided at the bottom of the outer wall of the suitcase, and the pulley seat, the suitcase and the base plate are fixedly connected by screws.
[0008] In a preferred embodiment of the present invention, a positioning groove is provided on the inner wall of the positioning pin, a square nut is installed inside the positioning groove, and the second screw is connected to the square nut.
[0009] In a preferred embodiment of the present invention, the upper cover, the suitcase and the lower cover are fixedly connected by three screws, and the upper cover, the lower cover and the base plate are all arranged on one side of the suitcase.
[0010] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention.
[0011] The pull rod assembly is designed to be detachable. The outer shell of the pull rod assembly is inserted into the sockets at both ends of the lower cover. The pin is inserted into the pin hole, the pin is connected to the slot, and then the pin is fixed to the lower cover with screws 4;
[0012] Insert the dowel pin into the bottom of the housing, then connect it with the square nut using screw 2 to secure the tie rod assembly to the dowel pin;
[0013] The pull rod assembly can be removed from the suitcase quickly and easily by removing two sets of screws. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0015] Figure 1 A three-dimensional diagram of a suitcase that is convenient for replacing the pull rod;
[0016] Figure 2 A side view of a luggage case that facilitates the replacement of a pull rod;
[0017] Figure 3 A schematic diagram of the structure of a base plate and screws in a suitcase that facilitates the replacement of a pull rod;
[0018] Figure 4 This is a schematic diagram of the structure of a base plate in a luggage case that facilitates the replacement of a pull rod;
[0019] Figure 5 This is a schematic diagram of the structure of an upper cover in a luggage compartment that facilitates the replacement of a pull rod;
[0020] Figure 6 This is a schematic diagram of the structure of a lower cover in a luggage compartment that facilitates the replacement of a pull rod;
[0021] Figure 7 A schematic diagram of the lower cover and latch hole structure of a luggage compartment that facilitates the replacement of a pull rod;
[0022] Figure 8 A schematic diagram of the outer shell and slot structure of a luggage case that facilitates the replacement of a pull rod;
[0023] Figure 9 A schematic diagram of the outer shell and screw structure of a suitcase that facilitates the replacement of a pull rod;
[0024] Figure 10 The diagram is a schematic diagram of a latch structure in a luggage case that facilitates the replacement of a pull rod.
[0025] In the figure: suitcase 1, pull rod assembly 2, housing 21, slot 22, pulley seat 3, base plate 4, screw 1 41, locating pin 42, locating slot 43, square nut 44, screw 2 45, upper cover 5, lower cover 6, latch hole 61, screw 3 62, latch 63, screw 4 64. DETAILED DESCRIPTION
[0026] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.
[0027] Please refer to Figure 1-10 A luggage case with an easily replaceable drawbar includes a luggage case 1 and a drawbar assembly 2, wherein the drawbar assembly 2 includes a housing 21, a base plate 4 is fixedly mounted on the bottom of the inner wall of the luggage case 1, and positioning pins 42 are fixedly provided at both ends of the top of the base plate 4;
[0028] A lower cover plate 6 is fixedly mounted on the top of the inner wall of the luggage case 1, and an upper cover plate 5 is fixedly mounted on the outer wall of the luggage case 1. The upper cover plate 5, the luggage case 1 and the lower cover plate 6 are fixedly connected by screws 62. The upper cover plate 5 and the lower cover plate 6 have a guiding effect on the pull rod assembly 2;
[0029] Through holes are formed at both ends of the upper cover 5 and the lower cover 6, and a shell 21 is provided inside the through holes. A slot 22 is formed on the side wall of the shell 21. Latch holes 61 are formed on both sides of the bottom of the lower cover 6. Latch holes 63 are installed on the inner walls of the latch holes 61. The latch 63 is connected to the slot 22 and is fixed to the lower cover 6 by four screws 64. Specifically, the latch 63 is connected to the slot 22 and then fixed by four screws 64, so that the pull rod assembly 2 can be easily removed from the suitcase 1.
[0030] The bottom of the housing 21 is fixedly mounted on the positioning pin 42 by a second screw 45 , which facilitates the removal of the housing 21 from the positioning pin 42 .
[0031] A pulley seat 3 is provided at the bottom of the outer wall of the suitcase 1 , and the pulley seat 3 , the suitcase 1 and the base plate 4 are fixedly connected by screws 41 .
[0032] A positioning groove 43 is formed on the inner wall of the positioning pin 42 . A square nut 44 is installed inside the positioning groove 43 . The second screw 45 is connected to the square nut 44 .
[0033] The upper cover plate 5 , the lower cover plate 6 and the base plate 4 are all arranged on one side of the luggage box 1 .
[0034] The working principle of the utility model is: the upper cover plate 5, the luggage box 1 and the lower cover plate 6 are fixedly connected by screws 62; the pulley seat 3, the luggage box 1 and the base plate 4 are fixedly connected by screws 41;
[0035] The outer shell 21 of the pull rod assembly 2 is inserted into the sockets at both ends of the lower cover 6, the pin 63 is inserted into the pin hole 61, the pin 63 is connected to the slot 22, and then the pin 63 is fixed to the lower cover 6 by screw four 64, the bottom of the outer shell 21 is inserted into the positioning pin 42, and then connected to the square nut 44 by screw two 45 to fix the pull rod assembly 2 on the positioning pin 42.
[0036] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.
Claims
1. A luggage case with a convenient replacement of a drawbar, comprising a luggage case (1) and a drawbar assembly (2), wherein the drawbar assembly (2) includes a housing (21), and is characterized in that: A base plate (4) is fixedly installed at the bottom of the inner wall of the suitcase (1), and positioning pins (42) are fixedly provided at both ends of the top of the base plate (4); a lower cover plate (6) is fixedly installed at the top of the inner wall of the suitcase (1), and an upper cover plate (5) is fixedly installed on the outer wall of the suitcase (1), through holes are provided at both ends of the upper cover plate (5) and the lower cover plate (6), and a shell (21) is provided inside the through hole, a slot (22) is provided on the side wall of the shell (21), and latch holes (61) are provided on both sides of the bottom of the lower cover plate (6), and latches (63) are installed on the inner wall of the latch hole (61), and the latch (63) is connected to the slot (22). The latch (63) is fixedly connected to the lower cover plate (6) by screw four (64), and the bottom of the shell (21) is fixedly installed on the positioning pin (42) by screw two (45).
2. The luggage case with easy-to-replace pull rod according to claim 1, characterized in that: A pulley seat (3) is provided at the bottom of the outer wall of the suitcase (1), and the pulley seat (3), the suitcase (1) and the base plate (4) are fixedly connected by screws (41).
3. The luggage case with easy-to-replace pull rod according to claim 1, characterized in that: The inner wall of the positioning pin (42) is provided with a positioning groove (43), a square nut (44) is installed inside the positioning groove (43), and the second screw (45) is connected to the square nut (44).
4. The luggage case with easy-to-replace pull rod according to claim 1, characterized in that: The upper cover plate (5), the luggage box (1) and the lower cover plate (6) are fixedly connected by screw three (62), and the upper cover plate (5), the lower cover plate (6) and the base plate (4) are all arranged on one side of the luggage box (1).