Travel draw-bar box with draw bar capable of being adjusted at will

Abstract

The utility model relates to a travel draw-bar box with a draw bar capable of being adjusted at will in the field of luggage, which comprises a box body, a draw bar device arranged on one side of the box body and universal wheels arranged below the box body, and the draw bar device comprises a bar sleeve arranged on one side of the box body and a draw bar capable of linearly moving along the bar sleeve. A linear ratchet wheel capable of being matched with the pull rod is arranged in the rod sleeve, and a pawl used for being matched with the linear ratchet wheel is installed in the pull rod through a connecting rod mechanism. According to the travel draw-bar box, the linear ratchet wheel is arranged in the rod sleeve, and the pawl matched with the linear ratchet wheel is arranged in the draw bar through the connecting rod mechanism, so that the length of the draw bar can be adjusted at will when the draw bar moves linearly, and the convenience of the travel draw-bar box is improved; and the link mechanism and the pawl are arranged in the draw bar, so that the travel draw-bar box has more internal space, and the practicability of the travel draw-bar box is improved.

Description

Technical Field

[0001] The utility model relates to the field of luggage, in particular to a travel trolley case with a trolley capable of adjusting the trolley at will. Background Art

[0002] A trolley case is a suitcase with a drawbar and wheels. It is widely used because of its convenience. At the same time, the trolley case is also equipped with a drawbar, which is convenient for dragging when walking, greatly reducing the burden. The trolley case can be carried by hand or dragged. With the increasing frequency of people traveling and going on business trips, travel trolley cases have become one of the essential tools for people to travel and go on business trips. They are often used to hold daily necessities, food, laptops and books, etc. Among them, the most widely used is the telescopic trolley case.

[0003] The existing trolley case, for example, the trolley case with adjustable trolley length, disclosed in patent publication number CN 213464076 U, requires a large amount of space in the trolley case, which reduces the storage space of the trolley case. Therefore, the present invention provides a travel trolley case with a compact structure and adjustable trolley length. Utility Model Content

[0004] The utility model provides a travel trolley case with a trolley capable of adjusting the trolley at will, so as to solve the problems mentioned in the above background technology.

[0005] The purpose of the utility model is achieved by the following methods:

[0006] A travel trolley case with an adjustable trolley, comprising a case body, a trolley device arranged on one side of the case body, and a universal wheel arranged below the case body, wherein the trolley device comprises a rod sleeve arranged on one side of the case body and a trolley which can move linearly along the rod sleeve, a linear ratchet which can cooperate with the trolley is arranged in the rod sleeve, and a pawl for cooperating with the linear ratchet is installed in the trolley through a connecting rod mechanism.

[0007] Furthermore, the connecting rod mechanism includes a button, a reset structure and a connecting rod structure, two ends of the connecting rod structure are respectively connected to the pawl and the button, and the reset structure cooperates with the button.

[0008] Furthermore, the reset structure includes a guide shaft and a guide sleeve that can slide with each other, the guide shaft and the guide sleeve are respectively arranged in the button and the pull rod, and a reset spring is arranged between the guide shaft and the guide sleeve.

[0009] Furthermore, an opening is provided at the end of the pull rod, the pawl is rotatably mounted on the opening via a rotating shaft, and a fixing portion that can protrude from the opening is provided at one end of the pawl.

[0010] Furthermore, a limiting groove is arranged on the outer side of the rod sleeve, and a limiting shaft for slidingly cooperating with the limiting groove is arranged inside the pull rod.

[0011] Furthermore, anti-slip grooves are provided on the upper end of the pull rod.

[0012] Furthermore, the universal wheel is provided with a brake mechanism.

[0013] The beneficial effects of the utility model are as follows: by providing a linear ratchet in the rod sleeve and installing a pawl in the pull rod through a connecting rod mechanism for cooperating with the linear ratchet, the pull rod can be adjusted in length as desired when moving in a straight line, thereby improving the convenience of the travel trolley case. At the same time, the design of providing the linear ratchet in the rod sleeve and providing the connecting rod mechanism and the pawl in the pull rod allows the travel trolley case to have more internal space, thereby improving the practicality of the travel trolley case. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of a travel trolley case with an adjustable trolley handle according to the utility model;

[0015] Figure 2 It is a partial cross-sectional view of a travel trolley case with an adjustable trolley handle according to the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the pull rod device in the utility model;

[0017] Figure 4 It is a cross-sectional view of the pull rod device in the utility model;

[0018] Figure 5 It is a schematic diagram of the structure of the ratchet in the utility model when the button is pressed;

[0019] Figure 6 It is a schematic diagram of the structure of the ratchet in the utility model after the button is reset;

[0020] The reference numerals in the figure are: 1-box, 2-universal wheel, 3-rod sleeve, 4-pull rod, 5-linear ratchet, 6-pawl, 7-button, 8-connecting rod structure, 9-guide shaft, 10-guide sleeve, 11-reset spring, 12-opening, 13-limiting shaft, 14-limiting groove, 15-anti-slip pattern, 16-brake mechanism. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] In this embodiment, refer to Figure 1-Figure 6The invention specifically implements a travel trolley case with a trolley that can adjust the trolley at will, comprising a case body 1, a trolley device arranged at one side of the case body 1, and a universal wheel 2 arranged below the case body 1. The trolley device comprises a rod sleeve 3 arranged at one side of the case body 1 and fixed by screws, and a trolley 4 that can move linearly along the rod sleeve 3. A linear ratchet 5 that can cooperate with the trolley 4 is arranged in the rod sleeve 3, and a ratchet 6 that is used to cooperate with the linear ratchet 5 is installed in the trolley 4 through a connecting rod mechanism. The linear ratchet 5 and the ratchet 6 are made of high-strength materials, which can withstand large pulling force and impact force, ensuring that the trolley device is not easily damaged during long-term use.

[0023] Furthermore, the connecting rod mechanism includes a button 7, a reset structure and a connecting rod structure 8, the two ends of the connecting rod structure 8 are respectively connected to the pawl 6 and the button 7, and the reset structure cooperates with the button 7. The connecting rod structure 8 includes a first connecting rod, a second connecting rod, a third connecting rod and a round rod, and these connecting rods are connected so that pressing the button 7 can drive the pawl 6 to cooperate with the linear ratchet 5.

[0024] Furthermore, the reset structure includes a guide shaft 9 and a guide sleeve 10 that can slide with each other. The guide shaft 9 and the guide sleeve 10 are respectively arranged in the button 7 and the pull rod 4. A reset spring 11 is arranged between the guide shaft 9 and the guide sleeve 10, which ensures that the pawl 6 can automatically reset after the button 7 is released, thereby re-locking the linear ratchet 5 to prevent the pull rod 4 from moving at will. The cooperation between the guide shaft 9 and the guide sleeve 10 ensures the precise positioning and stable movement trajectory between the button 7 and the pull rod 4. Figure 5 As shown, after pressing the button 7, the pawl 6 releases the linear ratchet 5 through the connection structure, and the pull rod 4 can be adjusted upward to any position. Figure 6 As shown, after the button 7 is released, the return spring 11 drives the pawl 6 through the connecting structure to clamp the linear ratchet 5 to achieve a self-locking effect, thereby limiting the upward movement of the pull rod 44 again.

[0025] Furthermore, an opening 12 is provided at the end of the pull rod 4, and the pawl 6 is rotatably mounted on the opening 12 through a rotating shaft, and a fixing portion that can protrude from the opening 12 is provided at one end of the pawl 6, and when the pawl 6 cooperates with the linear ratchet 5, the fixing portion can firmly fix the pull rod 4. Furthermore, a limiting groove 14 is provided on the outside of the rod sleeve 3, and a limiting shaft 13 for slidingly cooperating with the limiting groove 14 is provided inside the pull rod 4, so that the movement range of the pull rod 4 can be further limited to ensure its stability and reliability.

[0026] Furthermore, an anti-slip pattern 15 is provided on the upper end of the pull rod 4, which can not only increase the comfort of the user when holding it, but also prevent the user with sweaty hands from slipping during use.

[0027] Furthermore, the universal wheel 2 is provided with a brake mechanism 16. When the user needs to fix the position of the travel suitcase, the universal wheel 2 can be clamped by the brake mechanism 16 to avoid displacement due to braking, collision, etc., thereby ensuring the safety of the luggage.

[0028] The beneficial effects of the utility model are as follows: by providing a linear ratchet 5 in the rod sleeve 3 and installing a pawl 6 in the pull rod 4 through a connecting rod mechanism for cooperating with the linear ratchet 5, the pull rod 4 can adjust its length arbitrarily when moving in a straight line, thereby improving the convenience of the travel trolley case. At the same time, the design of providing the linear ratchet 5 in the rod sleeve 3 and providing the connecting rod mechanism and the pawl 6 in the pull rod 4 allows the travel trolley case to have more internal space, thereby improving the practicality of the travel trolley case.

[0029] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiments according to the technology of the utility model, which does not depart from the content of the technical solution of the utility model, belongs to the scope of the technical solution of the utility model.

Claims

1. A travel trolley case with an adjustable trolley, comprising a case body (1), a trolley device arranged on one side of the case body (1), and a universal wheel (2) arranged below the case body (1), characterized in that: The pull rod device comprises a rod sleeve (3) arranged on one side of the box body (1) and a pull rod (4) which can move linearly along the rod sleeve (3); a linear ratchet (5) which can cooperate with the pull rod (4) is arranged in the rod sleeve (3); a ratchet pawl (6) for cooperating with the linear ratchet (5) is installed in the pull rod (4) through a connecting rod mechanism.

2. A travel suitcase with an adjustable handle according to claim 1, characterized in that: The connecting rod mechanism comprises a button (7), a reset structure and a connecting rod structure (8); two ends of the connecting rod structure (8) are respectively connected to the pawl (6) and the button (7); and the reset structure cooperates with the button (7).

3. A travel suitcase with adjustable handle according to claim 2, characterized in that: The reset structure comprises a guide shaft (9) and a guide sleeve (10) which can slide with each other, the guide shaft (9) and the guide sleeve (10) are respectively arranged in the button (7) and the pull rod (4), and a reset spring (11) is arranged between the guide shaft (9) and the guide sleeve (10).

4. The travel suitcase with adjustable handle according to claim 1, characterized in that: An opening (12) is provided at the end of the pull rod (4), and the pawl (6) is rotatably mounted on the opening (12) via a rotating shaft. One end of the pawl (6) is provided with a fixing portion that can protrude from the opening (12).

5. The travel suitcase with adjustable handle according to claim 1, characterized in that: A limiting groove (14) is arranged on the outside of the rod sleeve (3), and a limiting shaft (13) for slidingly matching with the limiting groove (14) is arranged inside the pull rod (4).

6. The travel suitcase with adjustable handle according to claim 1, characterized in that: The upper end of the pull rod (4) is provided with anti-slip grooves (15).

7. The travel suitcase with adjustable handle according to claim 1, characterized in that: The universal wheel (2) is provided with a brake mechanism (16).

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