Wear-resistant draw-bar box with draw bar capable of being folded and drawn out

Abstract

The utility model discloses a wear-resistant draw-bar box with a draw bar capable of being folded and drawn out, relates to the field of wear-resistant draw-bar boxes, and solves the problems that the whole space on the rear side of an existing device is used for arranging a draw bar assembly, the occupied space is large, and the practicability is low. Limiting holes which are distributed at intervals are formed in the inner side wall of the rod groove; a pull rod assembly is slidably sleeved with the rod groove and comprises an outer pull rod column and a pressing frame on the inner side of the outer pull rod column, the bottom end of the outer pull rod column is fixedly connected with a supporting plate and a spring column, and the outer end of the spring column is fixedly connected with a pressing base and a limiting column on the pressing base. According to the wear-resistant draw-bar box with the draw bar capable of being folded and drawn out, by arranging the bar groove in the wear-resistant box and the draw bar assembly on the inner side of the wear-resistant box, the occupied space on the inner side of the wear-resistant box can be reduced to the maximum extent, so that extra space is released for storing objects, and the effect of increasing the utilization rate of the space on the inner side of the wear-resistant box is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of wear-resistant luggage, in particular to a wear-resistant luggage with a foldable and retractable pull rod. Background Technique

[0002] A luggage with a pull rod refers to a suitcase with a pull rod. In order to ensure the convenience of use and carrying, generally, the pull rod on a wear-resistant luggage has the functions of being pulled out and reset;

[0003] After retrieval, in the application document with the patent application number 220477081U, a wear-resistant luggage with a foldable and retractable pull rod is disclosed, which includes a wear-resistant box body and rollers. A square frame is fixedly connected to the front of the wear-resistant box body. A first pull rod is inserted into the bottom of the inner wall of the square frame. A square block is rotatably connected to the top notch of the first pull rod. A second pull rod is fixedly connected to the top of the square block. A disassembly and assembly structure is connected above the front of the wear-resistant box body. By moving the convex rod inward on the outer wall of the straight rod in the disassembly and assembly structure, the spring is squeezed. Then, the bottom of the outer wall of the first pull rod is inserted into the bottom of the inner wall of the square frame. Then, the convex rod is released, and the spring provides a resilience force to move the convex rod outward. Then, the outer walls of multiple convex rods are respectively inserted into the inner cylinders of the first pull rod and the second pull rod to complete the fixation of the pull rod, changing the original magnetic fixation form, improving the stability, ensuring the normal use of the wear-resistant luggage with a foldable and retractable pull rod, and eliminating the use limitations;

[0004] The above application document realizes normal operation by setting a retractable pull rod assembly. However, the structure is numerous and complex, occupying more space inside the luggage, resulting in a lower utilization rate of the inner space and lower practicality.

[0005] Therefore, we propose a wear-resistant luggage with a foldable and retractable pull rod. Content of the Utility Model

[0006] Aiming at the deficiencies of the prior art, the utility model provides a wear-resistant luggage with a foldable and retractable pull rod, which solves the problem that the whole space at the rear side of the existing device is used to set the pull rod assembly, occupying a large space and having low practicality.

[0007] To achieve the above purposes, the utility model is realized through the following technical solutions: a wear-resistant luggage with a foldable and retractable pull rod, including a wear-resistant box. A grip groove is arranged at the rear part of the top side of the wear-resistant box. A rod groove is also arranged in the wear-resistant box at the bottom of the grip groove, and spaced-apart limiting holes are formed on the inner side wall of the rod groove;

[0008] A pull rod assembly is slidably sleeved in the rod groove. The pull rod assembly includes an outer pull rod column and a pressing frame inside it. The bottom end of the outer pull rod column is fixedly connected with a support plate. A spring column is fixedly connected to the inner side wall of the support plate. The outer end of the spring column is fixedly connected with a pressing seat, and a limiting column is fixedly installed on the outer wall of the pressing seat.

[0009] A pressing groove is formed on the outer wall of the pressing seat. The bottom end of the pressing frame is fixedly connected with a sliding clamp. The sliding clamp is a U-shaped frame arranged on both sides of the pressing seat, and a clamping seat slidably sleeved in the pressing groove is fixedly installed on the inner side wall of the bottom end of the sliding clamp.

[0010] Preferably, the pressing seat is a cube, and a pressing groove synchronized with the diagonal position is formed on the outer wall of the pressing seat.

[0011] Among them, the oblique setting of the pressing groove can drive the pressing seat to move horizontally along the sliding clamp when the pressing frame moves downward, so that the limiting column is sleeved inside the limiting hole, realizing efficient limiting of the position of the pull rod assembly and ensuring the stability after drawing and positioning.

[0012] Preferably, both the outer pull rod column and the pressing frame are U-shaped frames, and the pressing frame is arranged inside the outer pull rod column and is not connected to its inner wall.

[0013] Among them, the non-contact setting of the outer pull rod column and the pressing frame facilitates adjusting the position of the pressing frame to achieve clamping.

[0014] Preferably, a handle groove is formed at the center of the top of the outer pull rod column. A pressing handle is sleeved in the handle groove, and the bottom of the pressing handle is placed above the center of the top of the pressing frame.

[0015] Among them, the setting of the pressing handle and the handle groove facilitates the user to manually press the pressing handle to adjust the position of the sliding clamp at the bottom end of the pressing frame, and further synchronously adjust the front and back positions of the pressing seat.

[0016] Preferably, the bottom end of the pressing frame is fixedly connected with a bottom plate. The bottom plate has the same inner cavity specification as the outer pull rod column. The bottom plate is movably sleeved in the inner wall of the outer pull rod column, and a rectangular retaining ring extending inward is fixedly installed at the bottom of the outer pull rod column.

[0017] Among them, the setting of the retaining ring at the bottom end of the outer pull rod column can limit its position and avoid the situation that the outer pull rod column is pulled up and separated from the pressing frame.

[0018] Preferably, a column body located outside the rod groove is arranged in the rear side wall of the wear-resistant box. A storage space located outside the rod groove is arranged inside the wear-resistant box. The wear-resistant box is composed of a box body and a box cover chain-loaded by a zipper, and four groups of pulley seats opposite to each other are fixedly installed at the four corners of the bottom of the wear-resistant box.

[0019] The utility model provides a wear-resistant luggage case with a retractable and foldable pull rod, which has the following beneficial effects:

[0020] For the wear-resistant luggage case with a retractable and foldable pull rod, through the arrangement of the wear-resistant box middle rod slot and the inner pull rod assembly thereof, the occupied space inside the wear-resistant box can be minimized, so as to release the extra space for storing objects, thereby achieving the effect of increasing the space utilization rate inside the wear-resistant box. At the same time, the structure is simple with fewer components, solving the problem that the whole space at the rear side of the existing device is used for arranging the pull rod assembly, which occupies a large space and has low practicability. Brief Description of the Drawings

[0021] Figure 1 is a schematic structural diagram of the utility model;

[0022] Figure 2 is a schematic structural diagram of the inner side of the box body of the utility model;

[0023] Figure 3 is a schematic structural diagram of the pull rod assembly of the utility model;

[0024] Figure 4 is the utility model Figure 3 is an enlarged schematic structural diagram of part A in the utility model.

[0025] In the figure: 1, wear-resistant box; 11, grip groove; 12, rod slot; 13, limit hole; 2, pull rod assembly; 21, outer pull rod column; 211, support plate; 212, spring column; 213, pressure seat; 214, pressure groove; 215, limit column; 22, pressure frame; 221, bottom plate; 222, sliding card; 23, pressure handle. Detailed Embodiment

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0027] Please refer to Figures 1-4, an embodiment of the present utility model provides a technical solution: a wear-resistant luggage with a foldable and retractable pull rod, including a wear-resistant box 1. A grip groove 11 is provided at the rear of the top side of the wear-resistant box 1. A rod groove 12 is also provided in the wear-resistant box 1 at the bottom of the grip groove 11, and spaced-apart limiting holes 13 are formed on the inner side wall of the rod groove 12; A pull rod assembly 2 is slidably sleeved in the rod groove 12. The pull rod assembly 2 includes an outer pull rod column 21 and a pressing frame 22 inside it. A support plate 211 is fixedly connected to the bottom end of the outer pull rod column 21. A spring column 212 is fixedly connected to the inner side wall of the support plate 211. The outer end of the spring column 212 is fixedly connected to a pressing seat 213, and a limiting column 215 is fixedly installed on the outer wall of the pressing seat 213; A pressing groove 214 is formed on the outer wall of the pressing seat 213. A sliding clip 222 is fixedly connected to the bottom end of the pressing frame 22. The sliding clip 222 is a U-shaped frame arranged on both sides of the pressing seat 213, and a clamping seat slidably sleeved in the pressing groove 214 is fixedly installed on the inner side wall of the bottom end of the sliding clip 222;

[0028] Among them, for this wear-resistant luggage with a foldable and retractable pull rod, through the setting of the rod groove 12 in the wear-resistant box 1 and the pull rod assembly 2 inside it, the occupied space inside the wear-resistant box 1 can be minimized, thereby releasing extra space for storing objects, so as to achieve the effect of increasing the space utilization rate inside the wear-resistant box 1. At the same time, the structure is simple with fewer components, solving the problem that the entire space at the rear of the existing device for setting the pull rod assembly 2 occupies a large space and has low practicability.

[0029] Embodiment 2: The pressing seat 213 is a cube, and a pressing groove 214 synchronized with the diagonal position is formed on the outer wall of the pressing seat 213; Among them, the oblique setting of the pressing groove 214 can drive the pressing seat 213 to move horizontally along the sliding clip 222 when the pressing frame 22 moves downward, so that the limiting column 215 is sleeved inside the limiting hole 13, realizing efficient limiting of the position of the pull rod assembly 2 and ensuring the stability after the pull-out positioning.

[0030] Both the outer pull rod column 21 and the pressing frame 22 are U-shaped frames, and the pressing frame 22 is arranged inside the outer pull rod column 21 and is not connected to its inner wall; Among them, the non-contact setting of the outer pull rod column 21 and the pressing frame 22 facilitates adjusting the position of the pressing frame 22 to achieve clamping.

[0031] A handle groove is formed at the center of the top of the outer pull rod column 21. A pressing handle 23 is sleeved in the handle groove, and the bottom of the pressing handle 23 is placed above the center of the top of the pressing frame 22; Among them, the setting of the pressing handle 23 and the handle groove facilitates the user to manually press the pressing handle 23 to adjust the position of the sliding clip 222 at the bottom end of the pressing frame 22, and further synchronously adjust the front and rear positions of the pressing seat 213.

[0032] The bottom end of the pressing frame 22 is fixedly connected with a bottom plate 221. The bottom plate 221 has the same inner cavity specifications as the outer pull rod column 21. The bottom plate 221 is movably sleeved in the inner wall of the outer pull rod column 21, and a retaining ring extending inward and in a rectangular shape is fixedly installed at the bottom of the outer pull rod column 21. Among them, the setting of the retaining ring at the bottom end of the outer pull rod column 21 can limit its position and prevent the situation that the outer pull rod column 21 is pulled up and separated from the pressing frame 22.

[0033] A column is provided in the rear side wall of the wear-resistant box 1 outside the rod groove 12. A storage space is provided inside the wear-resistant box 1 outside the rod groove 12. The wear-resistant box 1 is composed of a box body and a box cover assembled by a zipper, and four sets of pulley seats opposite to each other are fixedly installed at the four corners of the bottom of the wear-resistant box 1.

[0034] The working principle and usage process of the present utility model: When the device needs to work, due to the settings of the rod groove 12 and the pull rod assembly 2, the space inside the wear-resistant box 1 can be maximally utilized to ensure the folding effect of the items. During work, press the pressing handle 23 to adjust the sliding position of the sliding block 222 at the bottom end of the pressing frame 22. With the setting of the spring column 212, the pressing seat 213 moves horizontally while the limiting column 215 is sleeved inside the limiting hole 13, realizing gear adjustment and limiting effects. The operation is simple and the practicability is strong.

[0035] The above shows and describes the basic principles, main features and advantages of the present utility model. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present utility model. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0036] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A wear-resistant trolley case with a foldable and removable trolley, characterized in that: The wear-resistant box (1) comprises a grip groove (11) provided at the rear of the top side of the wear-resistant box (1), a rod groove (12) located at the bottom of the grip groove (11) is also provided in the wear-resistant box (1), and the inner side wall of the rod groove (12) is provided with spaced limiting holes (13); A pull rod assembly (2) is slidably sleeved in the rod groove (12), the pull rod assembly (2) comprising an outer pull rod column (21) and a pressure frame (22) inside the outer pull rod column (21), a support plate (211) is fixedly connected to the bottom end of the outer pull rod column (21), a spring column (212) is fixedly connected to the inner wall of the support plate (211), the outer end of the spring column (212) is fixedly connected to a pressure seat (213), and a limiting column (215) is fixedly installed on the outer wall of the pressure seat (213); A pressing groove (214) is provided on the outer wall of the pressing seat (213); a sliding card (222) is fixedly connected to the bottom end of the pressing frame (22); the sliding card (222) is a U-shaped frame arranged on both sides of the pressing seat (213); and a card seat slidably sleeved in the pressing groove (214) is fixedly installed on the inner side wall of the bottom end of the sliding card (222).

2. A wear-resistant trolley case with a foldable and removable trolley rod according to claim 1, characterized in that: The pressure seat (213) is a cube, and a pressure groove (214) is provided on the outer wall of the pressure seat (213) in synchronization with the diagonal position.

3. The wear-resistant suitcase with a foldable and removable tie rod according to claim 1, characterized in that: The outer tie rod column (21) and the pressure frame (22) are both U-shaped frames, and the pressure frame (22) is arranged on the inner side of the outer tie rod column (21) and is not connected to the inner wall thereof.

4. A wear-resistant trolley case with a foldable and removable trolley rod according to claim 3, characterized in that: A handle groove is provided at the center of the top of the outer pull rod column (21), a pressing handle (23) is sleeved in the handle groove, and the bottom of the pressing handle (23) is placed above the center of the top of the pressing frame (22).

5. The wear-resistant suitcase with a foldable and removable tie rod according to claim 1, characterized in that: The bottom end of the press frame (22) is fixedly connected to a bottom plate (221), the bottom plate (221) has the same specifications as the inner cavity of the outer tie rod column (21), the bottom plate (221) is movably sleeved in the inner wall of the outer tie rod column (21), and a rectangular retaining ring extending inward is fixedly installed at the bottom of the outer tie rod column (21).

6. The wear-resistant suitcase with a foldable and removable tie rod according to claim 1, characterized in that: A column located outside the rod groove (12) is arranged in the rear side wall of the wear-resistant box (1), and a storage space located outside the rod groove (12) is arranged inside the wear-resistant box (1). The wear-resistant box (1) is composed of a zippered box body and a box cover, and four sets of pulley seats located opposite to each other are fixedly installed at the four corners of the bottom of the wear-resistant box (1).

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