Draw-bar box with lockable rollers
By using the Oxford cloth bag to buffer collisions in the roller lockable trolley case and setting the lockable roller and movable block fixing structure, the sliding and wear of the bag roller is solved, and stability and protection are achieved.
Patent Information
- Application Number
- CN202421813153.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-07-30
AI Technical Summary
The rollers at the bottom of the existing luggage do not have a fixed function, are easy to slide, and the outside is easily worn and impacted, and lacks an effective protective mechanism.
A roller lockable trolley case is designed, which uses Oxford cloth bag to buffer collisions, sets a lockable roller to prevent sliding, and is fixed with the roller through contact and fixation with the roller through the movable block to achieve stable locking of the roller.
Effectively prevent accidental movement or sliding of the box, extend the service life, reduce wear, and improve the convenience and safety of use.
Smart Images

Figure CN223142985U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of daily necessities, in particular to a rolling wheel lockable trolley case. Background Technique
[0002] Luggage is a general term for various bags used to hold things, including general shopping bags, handbags, clutch bags, and various trolley cases. With the continuous improvement of people's living standards and consumption levels, various types of luggage have become indispensable items for people. Most of the bottom rolling wheels of luggage do not have a fixing function and are prone to sliding during the use of the box body. In addition, the outside of the box body is easily worn and impacted. Therefore, a luggage that can stabilize the rolling wheels and prevent wear is needed to solve the existing deficiencies.
[0003] A Chinese patent with the publication number CN218942487U discloses a piece of luggage, including an outer shell. A plurality of fixed sleeves are fixedly connected to the opposite sides inside the two outer shells. A first spring is arranged inside the two groups of fixed sleeves. A movable plate is slidably connected inside the two groups of fixed sleeves. A movable column is slidably connected to the opposite sides of the two groups of fixed sleeves. The opposite sides of the two groups of movable columns are fixedly connected with an inner shell. A fixed frame is fixedly connected to the rear side of the top of the two outer shells. Chute grooves are arranged on the front and rear sides inside the fixed frame. In the utility model, when the luggage is impacted, the items inside are protected, thereby improving the practicability of the luggage, reducing losses, replacing loading boxes of different sizes, eliminating certain limitations, and preventing fragile items from easily slipping from the upper end of the luggage, saving time and effort.
[0004] In the above application, components such as movable columns, inner shells, and chute grooves are used to reduce the impact force on the box body. There is no specific protection mechanism or component set on the outside of the box body of the luggage, which is likely to cause damage to the box body. There is no corresponding feasible method for the fixing effect of the bottom rolling wheels of the luggage mentioned. Therefore, there are deficiencies in the aspects of external protection and rolling wheel fixing of the luggage. Content of the Utility Model
[0005] To solve the above technical problems, the present utility model is realized through the following technical solutions:
[0006] The present utility model is a rolling wheel lockable trolley case, including a main body, the main body includes a main box body, a sub-box body, and a moving structure. A main box outer shell is arranged outside the main box body. An Oxford cloth bag is arranged outside the main box outer shell. A zipper groove is arranged outside the Oxford cloth bag. A zipper groove is arranged in the middle of the main box outer shell. A plurality of anti-drop blocks are arranged on one side of the main box outer shell. A sub-box outer shell is arranged outside the sub-box body. A pull rod and a handle are arranged on the top of the sub-box body. A password lock is arranged on one side of the sub-box outer shell. A side handle is arranged on one side of the sub-box outer shell. The moving structure includes a connecting column body, a movable block, and a rolling wheel.
[0007] An Oxford cloth bag is provided outside the main box shell, which reduces the impact force generated during pushing, buffers and weakens the damage to the box body, thereby extending the service life of the box body and achieving the functions of anti-collision and anti-wear; at the same time, the Oxford cloth bag outside the box body enables the box body to temporarily store items during use, facilitating use during travel.
[0008] In addition, lockable rollers are provided to achieve the switching of the roller mode at any time during use. It is convenient to lock the rollers when stabilizing the box body to prevent the box body from accidentally moving or sliding, avoiding damage to the box body and items. The convenience is prominent. By stepping on the movable block to rotate the angle, the fixed block contacts the roller to achieve the effect of locking the roller, and the operation is simple and easy to use.
[0009] Furthermore, the main box shell is square, an Oxford cloth bag is provided outside the main box shell, the Oxford cloth bag is the same size as the main box shell and has an arc-shaped contour around it. There are two groups of anti-drop blocks, which are symmetrically and equidistantly distributed, and the anti-drop blocks are all trapezoidal.
[0010] Furthermore, the sub-box shell is square and is adaptively connected to the main box body. The password lock includes a lock catch, a digital dial and a rotating gear. The lock catch is square, there are three groups of rotating gears which are vertically distributed. The rotating gears are circular and there are several convex blocks outside, and the convex blocks are strip-shaped and are distributed in a circumferential array.
[0011] Furthermore, there are two groups of connecting cylinders, both of which are cylindrical and are symmetrically distributed in a straight line. A support body is installed at the bottom of the connecting cylinder. An movable block is provided inside the support body. The movable block is square. There are two groups of grooves inside the bottom of the support body, which penetrate both sides. The grooves are circular and there is a connecting shaft inside which is cylindrical. There are two groups of rollers inside the connecting shaft, which are equidistantly distributed and are cylindrical. The connecting shaft is externally fixed with circular bolts.
[0012] Furthermore, a rotating shaft body and a fixed block are provided inside the movable block. The rotating shaft body is cylindrical and extends to both side faces. There are fixed screws on both sides outside the rotating shaft body and they are circular. The fixed block is located in the middle of the bottom surface of the movable block. The bottom of the movable block is square and the top is an arc-shaped opening, and the arc-shaped opening is adapted to the outer contour of the roller.
[0013] The utility model has the following beneficial effects:
[0014] (1) In the utility model: An Oxford cloth bag is provided outside the main box shell, which reduces the impact force generated during pushing, buffers and weakens the damage to the box body, thereby extending the service life of the box body and achieving the functions of anti-collision and anti-wear; at the same time, the Oxford cloth bag outside the box body enables the box body to temporarily store items during use, facilitating use during travel.
[0015] (2) The present utility model: A lockable roller is provided to enable the roller to switch modes at any time during use, facilitating locking the roller when stabilizing the box body, preventing the box body from accidentally moving or sliding, avoiding damage to the box body and the items inside, and having prominent convenience. By stepping on the movable block to rotate the angle, the fixed block contacts and fixes the roller to achieve the effect of locking the roller, with simple operation and convenient use. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is the overall schematic diagram of the present utility model;
[0017] Figure 2 is the overall structural schematic diagram of the present utility model;
[0018] Figure 3 is the rear view schematic diagram of the present utility model;
[0019] Figure 4 is the moving structure schematic diagram of the present utility model;
[0020] Figure 5 is the roller structure schematic diagram of the present utility model;
[0021] In the drawings, the list of components represented by each reference numeral is as follows:
[0022] In the figure: 1, main box body; 2, sub-box body; 3, moving structure; 101, main box shell; 102, Oxford cloth bag; 103, zipper groove; 104, zipper recess; 105, anti-drop block; 201, sub-box shell; 202, pull rod; 203, handle; 204, password lock; 205, side handle; 301, connecting column; 302, support body; 303, movable block; 304, roller. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the 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. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0024] Please refer to Figures 1 - 5 As shown, a roller-lockable trolley case of the present utility model includes a main body, which includes a main box body 1, a sub-box body 2, and a moving structure 3. The outside of the main box body 1 is provided with a main box shell 101, the outside of the main box shell 101 is provided with an Oxford cloth bag 102, the outside of the Oxford cloth bag 102 is provided with a zipper groove 103, the middle of the main box shell 101 is provided with a zipper recess 104, and one side of the main box shell 101 is provided with a plurality of anti-drop blocks 105;
[0025] An outer case 201 is provided outside the secondary box body 2. A pull rod 202 and a handle 203 are provided at the top of the secondary box body 2. A password lock 204 is provided on one side of the outer case 201 of the secondary box, and a side handle 205 is provided on one side of the outer case 201 of the secondary box; The moving structure 3 includes a connecting column body 301, a movable block 303 and a roller 304.
[0026] An Oxford cloth bag 102 is provided outside the main box shell 101, which reduces the impact force generated during the pushing process, buffers and weakens the damage of the box body, thereby prolonging the service life of the box body and achieving the functions of anti-collision and anti-wear; At the same time, the Oxford cloth bag 102 outside the box body allows the box body to temporarily store items during use, which is convenient for use during travel;
[0027] In addition, a lockable roller 304 is provided to realize the switching mode of the roller 304 at any time during use. It is convenient to lock the roller 304 when stabilizing the box body, prevent the box body from accidentally moving or sliding, avoid damage to the box body and items, and the convenience is prominent. By stepping on the movable block 303 to rotate the angle, the fixing block contacts and fixes with the roller 304 to achieve the effect of locking the roller 304, and the operation is simple and easy to use.
[0028] The main box shell 101 is square. An Oxford cloth bag 102 is provided outside the main box shell 101. The Oxford cloth bag 102 is the same size as the main box shell 101 and has an arc-shaped contour around. There are two groups of anti-fall blocks 105, which are symmetrically and equidistantly distributed. The anti-fall blocks 105 are all trapezoidal.
[0029] The outer case 201 of the secondary box is square and is adaptively connected to the main box body 1. The password lock 204 includes a lock catch, a digital dial and a rotating gear. The lock catch is square. There are three groups of rotating gears, which are vertically distributed. The rotating gears are circular and there are several convex blocks outside. The convex blocks are strip-shaped and are distributed in a circular array.
[0030] There are two groups of connecting column bodies 301, both of which are cylindrical and are symmetrically distributed in a straight line. A support body 302 is installed at the bottom of the connecting column body 301. An activity block 303 is arranged inside the support body 302. The activity block 303 is square. There are two groups of grooves inside the bottom of the support body 302, and the grooves penetrate both sides. The grooves are circular and there is a connecting shaft inside, which is cylindrical. There are two groups of rollers 304 inside the connecting shaft, which are equidistantly distributed and are cylindrical. Circular bolts are provided outside the connecting shaft for fixation.
[0031] A rotating shaft body and a fixing block are arranged inside the movable block 303. The rotating shaft body is cylindrical and extends to both side surfaces. There are fixing screws on both sides outside the rotating shaft body and they are circular. The fixing block is located in the middle of the bottom surface of the movable block 303. The bottom of the movable block 303 is square and the top is an arc-shaped opening, and the arc-shaped opening is adapted to the outer contour of the roller 304.
[0032] Working principle: When in use, check the integrity of the internal structure of the luggage case. Pull up the zipper through the zipper groove 104. The main box body 1 and the auxiliary box body 2 are used to load items through the zipper. When pushing, adjust the length of the pull rod 202 to a suitable length through the pull rod 202 button and then it can be pushed for use. The moving structure 3 is realized by the connecting column body 301 and the rollers 304. An Oxford cloth bag 102 is arranged outside the main box body 1 to prevent the user from being injured by collision during the pushing process. By setting the rollers 304 that can be freely locked, when in use, the angle of the movable block 303 is adjusted so that the fixed block clamps the rollers 304, thereby realizing the stable fixation of the rollers 304 on the ground, and thus enhancing the stability of the box body. When moving, adjust the angle of the movable block 303 upward to make the rollers 304 move freely.
[0033] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A roller-lockable trolley case, comprising a main body, the main body including a main box body (1), a sub-box body (2) and a moving structure (3), characterized in that: A main box outer shell (101) is provided outside the main box body (1), an Oxford cloth bag (102) is provided outside the main box outer shell (101), a zipper groove (103) is provided outside the Oxford cloth bag (102), a zipper recess (104) is provided in the middle of the main box outer shell (101), and a number of anti-fall blocks (105) are provided on one side of the main box outer shell (101); A sub-box outer shell (201) is provided outside the sub-box body (2), a pull rod (202) and a handle (203) are provided on the top of the sub-box body (2), a password lock (204) is provided on one side of the sub-box outer shell (201), and a side handle (205) is provided on one side of the sub-box outer shell (201); The moving structure (3) includes a connecting column body (301), a movable block (303) and a roller (304).
2. The rolling wheel lockable trolley case according to claim 1, wherein: The main box outer shell (101) is square, an Oxford cloth bag (102) is provided outside the main box outer shell (101), the Oxford cloth bag (102) is the same size as the main box outer shell (101) and has an arc-shaped contour around, there are two groups of anti-fall blocks (105) which are symmetrically and equidistantly distributed, and the anti-fall blocks (105) are all trapezoidal.
3. The rolling wheel lockable trolley case according to claim 2, wherein: The sub-box outer shell (201) is square and is adaptively connected to the main box body (1) with the same size. The password lock (204) includes a lock catch, a digital disk and a rotating gear. The lock catch is square, there are three groups of rotating gears which are vertically distributed, the rotating gears are circular and there are a number of convex blocks outside, the convex blocks are strip-shaped and are circumferentially arrayed.
4. The rolling wheel lockable trolley case according to claim 3, characterized in that: There are two groups of connecting column bodies (301) which are both cylindrical and are symmetrically distributed in a straight line. A support body (302) is installed at the bottom of the connecting column body (301). A movable block (303) is provided inside the support body (302). The movable block (303) is square. There are two groups of grooves inside the bottom of the support body (302) which penetrate both sides. The grooves are circular and there is a connecting shaft inside which is cylindrical. There are two groups of rollers (304) inside the connecting shaft which are equidistantly distributed and are cylindrical. Circular bolts are fixed outside the connecting shaft.
5. The rolling wheel lockable trolley case according to claim 4, characterized in that: A rotating shaft body and a fixing block are provided inside the movable block (303). The rotating shaft body is cylindrical and extends to both sides. Fixed screws are provided on both sides outside the rotating shaft body and are circular. The fixing block is located in the middle of the bottom surface of the movable block (303). The bottom of the movable block (303) is square and the top is an arc-shaped opening. The arc-shaped opening is adapted to the outer contour of the roller (304).
Citation Information
Patent Citations
Luggage
CN218942487U