Detachable draw-bar box convenient to carry

Abstract

The utility model relates to the technical field of draw-bar boxes, and discloses a detachable draw-bar box convenient to carry, which comprises a bottom plate, the rear side of the bottom plate is fixedly connected with a fixing block, the four corners of the bottom of the bottom plate are fixedly connected with hollow discs, the bottom of each hollow disc is provided with a mounting groove, and the mounting grooves are fixedly connected with the fixing block. A hollow pipe is fixedly connected to the inner wall of the hollow disc, a first sliding rod is slidably connected to the inner wall of the hollow pipe, a first spring is fixedly connected to the rear end of the first sliding rod, a limiting sleeve is fixedly connected to the front end of the first sliding rod, a sliding column is slidably connected to the inner wall of the mounting groove, and a limiting disc is fixedly connected to the top end of the sliding column. According to the draw-bar box disclosed by the utility model, the limiting sleeve is pressed to further extrude the sliding rod I, and meanwhile, the clamping block I is pressed to compress the clamping block I to retract into the clamping groove I, so that the movable rod can be pulled out of the fixed block, the purpose of quickly disassembling the draw-bar box is achieved, and the portability and the practicability are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to trolley case technical field especially, it relates to a detachable convenient to carry trolley case. BACKGROUND

[0002] Trolley case is a kind of portable luggage, commonly used for travel, moving and daily carrying articles, its characteristics are made of light material so light and durable, equipped with telescopic handle and rotatable wheel, the portability of the convenience of user movement, design has multiple layers and pocket, it is convenient to classify and store articles to reach space utilization, and equipped with combination lock and combination lock, the security that can provide to protect personal articles safety, trolley case has become indispensable travel partner in modern life, and different use ways also need to select different kinds of trolley case.

[0003] Trolley case can be divided into, hard shell, strong durability, but relatively heavy hard shell trolley case, soft shell, portable, but there is a probability of deformation after long time use soft shell trolley case, and the mixed type trolley case that combines the advantages of hard shell and soft shell appears with the development of the times, it has certain firmness, and it is relatively light, and the selection of trolley case not only needs to select shell material, but also needs to select appropriate size according to travel days and personal needs, and select again between two-wheel box more flexible and four-wheel box more stable, and the existing trolley case is mostly integrated type box body, when needing to disassemble trolley case and store, and take into narrow space, need to disassemble through screw, leading to the reduction of portability, the decline of practicality, simultaneously, it is mostly fixed size, cannot change size according to needs, leading to the reduction of application range, the reduction of practicality. UTILITARIAN CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a detachable convenient to carry trolley case, aims at improving the problems in prior art that the existing trolley case mostly adopts integrated type box body, when needing to disassemble trolley case and store, and take into narrow space, need to disassemble through screw, leading to the reduction of portability, the decline of practicality.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a detachable and convenient to carry draw-bar box, including the bottom plate, the rear side fixedly connected with fixed block of bottom plate, the bottom four corner places of bottom plate all are fixedly connected with hollow disc, the bottom of hollow disc is equipped with the mounting slot, the inner wall fixedly connected with hollow pipe of hollow disc, the inner wall slidingly connected with sliding rod one of hollow pipe, the rear end fixedly connected with spring one of sliding rod one, the front end fixedly connected with limit sleeve of sliding rod one, the inner wall slidingly connected with sliding column of mounting slot, the top end fixedly connected with limit disc of sliding column, the limit disc's bottom end is rotatably connected with universal wheel, the inner wall slidingly connected with moving rod of fixed block, the rear side of moving rod is equipped with the clamping slot one, the inner wall slidingly connected with clamping block one of clamping slot one, the front side fixedly connected with spring two of clamping block one, the top of bottom plate is fixedly connected with expansion structure, and the expansion structure is used to expand draw-bar box space.

[0006] As a further description of the above technical solution:

[0007] The expansion structure includes a limiting cloth, the outer wall of the limiting cloth is fixedly connected with the top of the bottom plate, the inner wall of the limiting cloth is fixedly connected with a bottom box, a plurality of clamping teeth are fixedly connected to the outer wall of the limiting cloth near the edge, the outer wall of the clamping teeth is provided with a zipper, the outer wall of the moving rod is provided with a mounting sleeve, the rear side of the mounting sleeve is fixedly connected with a magic tape one, and the front side of the mounting sleeve is fixedly connected with an expansion box one.

[0008] As a further description of the above technical solution:

[0009] A plurality of magic tapes two are fixedly connected to the top of the expansion box one, and the plurality of magic tapes two are fixedly connected to the same horizontal height.

[0010] As a further description of the above technical solution:

[0011] A handle is fixedly connected to the top of the expansion box one near the edge, and the outer wall of the handle is fixedly connected with a rubber sleeve.

[0012] As a further description of the above technical solution:

[0013] The inner wall of the moving rod is slidingly connected with a sliding rod two, the rear side of the moving rod is provided with a clamping slot two, and the outer wall of the universal wheel is fixedly connected with a rubber pad.

[0014] As a further description of the above technical solution:

[0015] A plurality of sliding grooves are formed in the rear side of the sliding rod two, the inner wall of the sliding groove is slidingly connected with a clamping block two, and the front end of the clamping block two is fixedly connected with a spring three.

[0016] As a further description of the above technical solutions:

[0017] The top of the bottom box is fixedly connected with a main box, the rear side of the main box is fixedly connected with a nameplate, the rear side of the nameplate is fixedly connected with a limiting bag, and the right side of the main box is fixedly connected with a password lock.

[0018] As a further description of the above technical solutions:

[0019] The top of the second sliding rod is fixedly connected with a pull handle, and the outer wall of the pull handle is fixedly connected with an anti-skid sleeve.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1、 in the utility model, through press the limiting sleeve, further extrude the sliding rod one, make it can compress the spring one and retract into the hollow pipe, simultaneously the limiting sleeve is separated from the limiting to the limiting disc, thereby the sliding column can be pulled out downward along the installation groove, simultaneously press the clamping block one, make it can compress the clamping block one and retract into the clamping groove one, make the moving rod can be pulled out from the fixed block, reach the purpose of quickly disassembling the pull rod box, improved the portability and practicality.

[0022] 2、 in the utility model, through magic tape one installs the sleeve in the outer wall of the moving rod, further installs the expansion box one on the top of the main box, then along the clamping tooth draws the zipper, make the middle part of the limiting cloth can be opened, further expand the bottom box outward, reach the purpose of expanding the space of the pull rod box when needing, expand the application range, improve the practicality. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A front side perspective view of the detachable and portable pull rod box is provided for the utility model;

[0024] Figure 2 A side view of the detachable and portable pull rod box is provided for the utility model;

[0025] Figure 3 A Figure 2 enlarged view of A of the utility model;

[0026] Figure 4 A top view of the detachable and portable pull rod box is provided for the utility model;

[0027] Figure 5 A partial structure schematic view of the detachable and portable pull rod box is provided for the utility model;

[0028] Figure 6 A limiting sleeve partial structure split view of the detachable and portable pull rod box is provided for the utility model;

[0029] Figure 7 A detachable and portable trolley case fixing block partial structure disassembly drawing is provided for the utility model;

[0030] Figure 8 A detachable and portable trolley case sliding rod two partial structure disassembly drawing is provided for the utility model.

[0031] Legend:

[0032] 1, bottom plate; 2, expansion structure; 201, bottom box; 202, limiting cloth; 203, zipper; 204, clamping tooth; 205, expansion box one; 206, mounting sleeve; 207, magic tape one; 3, main box; 4, fixing block; 5, hollow disc; 6, limiting disc; 7, sliding column; 8, mounting groove; 9, limiting sleeve; 10, sliding rod one; 11, spring one; 12, hollow pipe; 13, moving rod; 14, clamping groove one; 15, spring two; 16, clamping block one; 17, sliding groove; 18, sliding rod two; 19, clamping groove two; 20, spring three; 21, clamping block two; 22, universal wheel; 23, rubber pad; 24, nameplate; 25, pull handle; 26, anti-skid sleeve; 27, limiting bag; 28, password lock; 29, magic tape two; 30, handle; 31, rubber sleeve. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0034] Please refer to the drawings of the embodiments in the utility model Figure 1 - the drawings of the embodiments in the utility model Figure 3The utility model provides an embodiment: a detachable and portable draw-bar box, including bottom plate 1, the rear side fixedly connected with fixed block 4 of bottom plate 1, bottom plate 1 is used for bearing whole device, the bottom four corner places of bottom plate 1 all are fixedly connected with hollow disc 5, and the bottom of hollow disc 5 is provided with installation slot 8, and hollow disc 5 is used for installing quick -release structure, and the inner wall of hollow disc 5 is fixedly connected with hollow tube 12, and the inner wall of hollow tube 12 is slidably connected with sliding rod one 10, and the rear end of sliding rod one 10 is fixedly connected with spring one 11, and spring one 11 is used to push sliding rod one 10 reset, and the front end of sliding rod one 10 is fixedly connected with limit sleeve 9, and the inner wall of installation slot 8 is slidably connected with sliding column 7, and the top end of sliding column 7 is fixedly connected with limit disc 6, and limit sleeve 9 is used for the clamping limit with limit disc 6, and the bottom end of limit disc 6 is rotatably connected with universal wheel 22, and sliding column 7 is used for installing universal wheel 22, and the inner wall of fixed block 4 is slidably connected with moving rod 13, and the rear side of moving rod 13 is provided with clamping groove one 14, and universal wheel 22 is used to move the draw-bar box, and the inner wall of clamping groove one 14 is slidably connected with clamping block one 16, and the front side of clamping block one 16 is fixedly connected with spring two 15, and spring two 15 is used to push clamping block one 16, and the top of bottom plate 1 is fixedly connected with expansion structure 2, and expansion structure 2 is used to expand the space of draw-bar box, and clamping groove one 14 is used for and clamping block one 16 clamping.

[0035] Specifically, the main function of expansion structure 2 is to expand the space of the draw-bar box. When there are many items to travel, the user can accommodate more items according to actual needs. The bottom plate 1 provides a position for the installation of subsequent components as the root of the draw-bar box. The space inside the hollow tube 12 provides a sliding track for the sliding of the sliding rod one 10. The spring one 11 provides elastic support for the sliding rod one 10, so that it can be pushed back to the original position by the spring one 11 after the external pressure is removed, and then push the limit sleeve 9 back to the limit position with the limit disc 6.

[0036] Please refer to the attached Figure 4 -attached Figure 6 Expansion structure 2 includes a limit cloth 202, the outer wall of the limit cloth 202 is fixedly connected with the top of the bottom plate 1, the inner wall of the limit cloth 202 is fixedly connected with a bottom box 201, the limit cloth 202 is used for limiting the outer wall of the bottom box 201, the outer wall of the limit cloth 202 is fixedly connected with a plurality of clamping teeth 204 near the edge, the outer wall of the clamping teeth 204 is provided with a zipper 203, the clamping teeth 204 provide a guide rail for the sliding of the zipper 203, the outer wall of the moving rod 13 is provided with a mounting sleeve 206, the rear side of the mounting sleeve 206 is fixedly connected with a magic tape one 207, the magic tape one 207 is used for fixing the mounting sleeve 206, the front side of the mounting sleeve 206 is fixedly connected with an expansion box one 205, the expansion box one 205 is used to provide additional space.

[0037] Specific, slide zipper 203 card teeth 204 wall, when the user needs to expand the space of the trolley, just pull the zipper 203, card teeth 204 will be separated from each other with the movement of the zipper 203, limit cloth 202 with the expansion of the space, the bottom box 201 is also expanded, otherwise when you need to accommodate, reverse pull the zipper 203, card teeth 204 re-tight close, limit cloth 202 shrink, the whole expansion structure 2 back to the compact state, card teeth 204 for the zipper 203 provides a moving guide rail, and the expansion of the bottom box 201 and 205 for the trolley provides additional storage space.

[0038] Please refer to the attached Figure 5 - attached Figure 7 The rear side of the sliding rod 18 is provided with a plurality of sliding grooves 17, the inner wall of the sliding groove 17 is slidably connected with the clamping block 21, the sliding groove 17 provides a guide for the sliding of the clamping block 21, the front end of the clamping block 21 is fixedly connected with the spring 20, the inner wall of the moving rod 13 is slidably connected with the sliding rod 18, the spring 20 is used to push the clamping block 21 to move back to the original position, the rear side of the moving rod 13 is provided with a clamping groove 19, the outer wall of the universal wheel 22 is fixedly connected with the rubber pad 23, the rubber pad 23 can increase the friction of the outer wall of the universal wheel 22, the top of the expansion box 205 is fixedly connected with the handle 30 near the edge, the outer wall of the handle 30 is fixedly connected with the rubber sleeve 31, the rubber sleeve 31 is used to increase the friction of the outer wall of the handle 30;

[0039] Specifically, whether it is used alone or in combination with the trolley, the handle 30 provides a convenient way for the user to carry, and the rubber sleeve 31 increases the friction of the outer wall of the handle 30, thereby preventing the user from dropping the handle 30 due to slippery hands. The rubber pad 23 has excellent shock-absorbing performance. When the trolley moves on different road surfaces, the rubber pad 23 can effectively buffer the impact force from the ground, reduce the vibration of the box body, and protect the contents in the box from being damaged.

[0040] Please refer to the attached Figure 6 - attached Figure 8 The top of the sliding rod 18 is fixedly connected with the pull handle 25, the outer wall of the pull handle 25 is fixedly connected with the anti-skid sleeve 26, the pull handle 25 is used to facilitate the user to pull the sliding rod 18, the top of the bottom box 201 is fixedly connected with the main box 3, the rear side of the main box 3 is fixedly connected with the nameplate 24, the anti-skid sleeve 26 increases the friction of the outer wall of the pull handle 25, the rear side of the nameplate 24 is fixedly connected with the limiting bag 27, the right side of the main box 3 is fixedly connected with the password lock 28, the nameplate 24 is used to facilitate the user to understand the relevant information of the device, the top of the expansion box 205 is fixedly connected with a plurality of magic tapes 29, the plurality of magic tapes 29 are fixedly connected at the same horizontal height, the password lock 28 is used to improve the security of the trolley;

[0041] Specifically, the password lock 28 provides strong protection for the safety of the items in the box. Whether the trolley case is placed in a public place during travel or during the process of being shipped, the password lock 28 can make the user feel at ease to store important items in the main box 3, which constitutes the main storage space of the trolley case, the nameplate 24 presents the brand logo, product model and related parameters, and the anti-slip sleeve 26 not only can effectively prevent the hands from slipping when holding the pull handle 25, but also can maintain good holding stability even in the case of hand sweating or environmental humidity, and also can provide a comfortable touch for the hands, and long-time holding is not easy to feel tired.

[0042] Working principle: when the trolley case is disassembled for carrying, first press the front side of the limiting sleeve 9 so that it can extrude the sliding rod 10, and then the spring 11 can be compressed and retracted into the hollow tube 12, at the same time, the limiting sleeve 9 is disengaged from the limiting disc 6, so that the sliding column 7 and the limiting disc 6 can be taken out from the limiting sleeve 9, and then the plurality of universal wheels 22 are disassembled, and then press the clamping block 16 into the clamping groove 14, so that it can extrude the spring 15 and retract into the clamping groove 14, and then the moving rod 13 is taken out from the fixed block 4 for disassembly;

[0043] When the backpack space needs to be expanded, first, the mounting sleeve 206 is sleeved on the outer wall of the moving rod 13, and then the mounting sleeve 206 is fixed by the magic tape 207, so that it can be connected with the moving rod 13, and then the expansion box 205 is installed on the top of the main box 3 to expand the space on the top, and then the zipper 203 is pulled along the clamping teeth 204, so that the limiting cloth 202 can be unfolded up and down, and then the bottom box 201 can be unfolded outward, so as to expand the space in it.

[0044] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A detachable and portable trolley case comprising a bottom plate (1), characterized in that: The rear side of the bottom plate (1) is fixedly connected with a fixed block (4), the bottom of the bottom plate (1) is fixedly connected with a hollow disc (5) at four corners, the bottom of the hollow disc (5) is provided with an installation slot (8), the inner wall of the hollow disc (5) is fixedly connected with a hollow tube (12), the inner wall of the hollow tube (12) is slidably connected with a sliding rod one (10), the rear end of the sliding rod one (10) is fixedly connected with a spring one (11), the front end of the sliding rod one (10) is fixedly connected with a limiting sleeve (9), the inner wall of the installation slot (8) is slidably connected with a sliding column (7), the top end of the sliding column (7) is fixedly connected with a limiting disc (6), the bottom end of the limiting disc (6) is rotatably connected with a universal wheel (22), the inner wall of the fixed block (4) is slidably connected with a moving rod (13), the rear side of the moving rod (13) is provided with a clamping groove one (14), the inner wall of the clamping groove one (14) is slidably connected with a clamping block one (16), the front side of the clamping block one (16) is fixedly connected with a spring two (15), the top of the bottom plate (1) is fixedly connected with an expansion structure (2), and the expansion structure (2) is used for expanding the space of the trolley case.

2. The detachable and portable trolley case according to claim 1, wherein: The expansion structure (2) comprises a limiting cloth (202), the outer wall of the limiting cloth (202) is fixedly connected with the top of the bottom plate (1), the inner wall of the limiting cloth (202) is fixedly connected with a bottom box (201), a plurality of clamping teeth (204) are fixedly connected with the outer wall of the limiting cloth (202) near the edge, a zipper (203) is arranged on the outer wall of the clamping tooth (204), an installation sleeve (206) is arranged on the outer wall of the moving rod (13), a magic tape one (207) is fixedly connected with the rear side of the installation sleeve (206), and an expansion box one (205) is fixedly connected with the front side of the installation sleeve (206).

3. The collapsible and portable trolley case of claim 2, wherein: The top of the expansion box one (205) is fixedly connected with a plurality of magic tapes two (29), and the plurality of magic tapes two (29) are fixedly connected at the same horizontal height.

4. The detachable and portable trolley case according to claim 2, wherein: The top of the expansion box one (205) is fixedly connected with a handle (30) near the edge, and the outer wall of the handle (30) is fixedly connected with a rubber sleeve (31).

5. The detachable and portable trolley case according to claim 1, wherein: The inner wall of the moving rod (13) is slidably connected with a sliding rod two (18), the rear side of the moving rod (13) is provided with a clamping groove two (19), and the outer wall of the universal wheel (22) is fixedly connected with a rubber pad (23).

6. The collapsible and portable trolley case of claim 5, wherein: The rear side of the sliding rod two (18) is provided with a plurality of sliding grooves (17), the inner wall of the sliding groove (17) is slidably connected with a clamping block two (21), and the front end of the clamping block two (21) is fixedly connected with a spring three (20).

7. The collapsible and portable trolley case of claim 2, wherein: The top of the bottom box (201) is fixedly connected with a main box (3), the rear side of the main box (3) is fixedly connected with a nameplate (24), the rear side of the nameplate (24) is fixedly connected with a limiting bag (27), the right side of the main box (3) is fixedly connected with a password lock (28).

8. The collapsible and portable trolley case of claim 5, wherein: The top of the sliding rod two (18) is fixedly connected with a pull handle (25), and the outer wall of the pull handle (25) is fixedly connected with an anti-skid sleeve (26).

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