Double-layer anti-explosion zipper type draw-bar box

Abstract

The utility model discloses a double-layer anti-explosion zipper type draw-bar box, and particularly relates to the technical field of draw-bar boxes, the double-layer anti-explosion zipper type draw-bar box comprises two sub-box bodies which are symmetrically distributed front and back, the two sub-box bodies are connected with expansion cloth, the expansion cloth is connected with the sub-box bodies through zipper mechanisms, and the two sub-box bodies are connected through zipper mechanisms. The zipper mechanism comprises zipper pullers and a double-layer zipper assembly arranged on the zipper pullers in a sleeving mode, a lubricating box is fixedly arranged on each zipper puller, a threaded rod penetrates through each lubricating box, and a cavity is machined in the top of each threaded rod. According to the anti-explosion draw-bar box, the two sub-box bodies are connected through the zipper mechanism to form the draw-bar box, the zipper head and the double-layer chain assembly, so that the horizontal pulling strength of the zipper mechanism can be effectively improved, the anti-explosion draw-bar box has relatively strong anti-explosion performance, and when a user pulls the zipper head, lubricating oil in the lubricating box flows to the double-layer chain assembly through the through hole I to play a lubricating role; therefore, the smoothness of the zipper head is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to trolley case technical field more specifically, it is a double -layered anti -explosion zipper type trolley case. BACKGROUND

[0002] With the progress of the times, people carry all kinds of things when traveling also more and more, resulting in the need to carry more things in the journey, and in order to be more labor-saving portable, people generally put the goods in the trolley case for carrying. Trolley case is a kind of luggage, which includes luggage body, telescopic pull rod and luggage bottom wheel, and is widely used because of its convenience. Traveling case has a long history. Traveling case, from wooden box and large leather suitcase for containing clothes only, to various portable suitcases and trolley cases.

[0003] For example, the prior art with publication number CN218483939U discloses a trolley case, which comprises a box body, a mobile phone containing box and a power supply containing box. The box body is provided with an open slot, and the mobile phone containing box is provided with a mobile phone containing cavity communicating with the open slot.

[0004] However, the above-mentioned prior art has the following problems when in use: the existing trolley case zipper is mostly a single-layer zipper. Such a single-layer zipper is prone to zipper explosion due to too many items in the trolley case during use. Based on this, the utility model provides a double-layer anti-explosion zipper type trolley case. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a double-layer anti-explosion zipper type trolley case, which is composed of two sub-boxes by a zipper mechanism. The design of the zipper head and the double-layer chain assembly can effectively improve the flat pulling strength of the zipper mechanism, has strong anti-explosion performance, and when the user pulls the zipper head, the lubricating oil in the lubricating box flows through the through hole one to the double-layer chain assembly to play a lubricating role, thereby improving the smoothness of the zipper head, to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a double-layer anti-explosion zipper type trolley case, comprising two front and rear symmetrical distribution sub-boxes, two sub-boxes are connected with expansion cloth, the expansion cloth and the sub-box, two sub-boxes are connected by a zipper mechanism, the zipper mechanism comprises a zipper head and a double-layer zipper assembly sleeved on the zipper head, a lubricating box is fixedly arranged on each zipper head, a threaded rod penetrates through the lubricating box, a cavity is formed on the top of the threaded rod, a plurality of through holes one and through holes two are formed on the outer wall of the threaded rod and communicated with the cavity.

[0007] In a preferred embodiment, the top and bottom of the lubricating box are both provided with threaded holes, the threaded rods are inserted into the threaded holes and are screwed with the threaded holes, the bottom of the lubricating box is provided with an oil outlet hole communicating with the threaded hole, and the inner diameter of the oil outlet hole is larger than that of the threaded hole, so that the lubricating oil in the lubricating box can flow out of the oil outlet hole for lubrication.

[0008] In a preferred embodiment, each of the plurality of through holes one is arranged below the plurality of through holes two, and a sponge block is fixedly arranged in each of the plurality of through holes one, so that the flow rate of the lubricating oil can be slowed down, thereby avoiding waste caused by too fast flow rate of the lubricating oil.

[0009] In a preferred embodiment, a threaded cap is screwed at the top end of each threaded rod, and a knob is fixedly arranged at the top of the threaded cap, so that the user can conveniently and quickly screw the threaded cap, thereby improving the oil supplementing efficiency of the user.

[0010] In a preferred embodiment, the double-layer zipper assembly comprises a top chain, a middle cloth and a bottom chain, and the top chain, the middle cloth and the bottom chain are sewn on the sub-box body and the expansion cloth, so that the strength and the explosion-proof property of the zipper mechanism can be improved by adopting the double-layer chain design.

[0011] In a preferred embodiment, one of the sub-box bodies is provided with a receiving groove at the top, and a telescopic handle is fixedly arranged in the receiving groove, so that the user can conveniently carry the trolley case.

[0012] In a preferred embodiment, two universal wheels are fixedly arranged at the bottom of each of the two sub-box bodies, the two universal wheels are symmetrically distributed at the bottom of the sub-box body, and the two universal wheels are distributed on the two sides of the telescopic handle, so that the trolley case can be supported by the universal wheels, thereby facilitating the user to move the trolley case.

[0013] The technical effects and advantages of the utility model are as follows:

[0014] 1. The utility model discloses a trolley case which is formed by connecting two sub-box bodies through a zipper mechanism, and the design of the zipper head and the double-layer chain assembly can effectively improve the flat-pulling strength of the zipper mechanism, has strong explosion-proof property, and when the user pulls the zipper head, the lubricating oil in the lubricating box flows to the double-layer chain assembly through the through hole one to play a lubricating role, thereby improving the smoothness of the zipper head.

[0015] 2. The utility model discloses a trolley case which is formed by connecting two sub-box bodies through a zipper mechanism, and the design of the zipper head and the double-layer chain assembly can effectively improve the flat-pulling strength of the zipper mechanism, has strong explosion-proof property, and when the user pulls the zipper head, the lubricating oil in the lubricating box flows to the double-layer chain assembly through the through hole one to play a lubricating role, thereby improving the smoothness of the zipper head. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1The whole structure schematic view of the utility model;

[0017] Figure 2 The expansion schematic view of the utility model's trolley case;

[0018] Figure 3 The zipper mechanism structure schematic view of the utility model;

[0019] Figure 4 The lubricating box sectional view of the utility model;

[0020] Figure 5 The threaded rod sectional view of the utility model.

[0021] The figure mark is: 1, sub box body;2, expansion cloth;3, zipper mechanism;4, threaded hole;5, oil outlet hole;6, sponge block;7, threaded cover;8, push block;9, accommodation groove;10, telescopic handle;11, universal wheel;

[0022] 31, zipper head;32, double-layer zipper assembly;321, top layer chain;322, middle layer cloth;323, bottom layer chain;33, lubricating box;34, threaded rod;35, cavity;36, through hole one;37, through hole two. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to 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 other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Refer to the description accompanying drawings Figures 1-5 The utility model provides a kind of double-layer anti-explosion zipper type trolley case, including two front and rear symmetrical distribution sub box body 1, one of which sub box body 1 top is equipped with accommodation groove 9, telescopic handle 10 is fixedly arranged in the accommodation groove 9, to facilitate user to carry trolley case, two sub box body 1 bottom are fixedly equipped with two universal wheels 11, specifically, it can be selected to use mute wheel, to reduce the noise generated when moving trolley case, two universal wheels 11 are symmetrically distributed in the sub box body 1 bottom, two universal wheels 11 are distributed in the two sides of telescopic handle 10, to facilitate user to carry trolley case.

[0025] And, expansion cloth 2 is connected on two sub box body 1, expansion cloth 2 and sub box body 1 between, two sub box body 1 between are connected by zipper mechanism 3, the zipper mechanism 3 includes zipper head 31 and double-layer zipper assembly 32 that is sleeved on zipper head 31;

[0026] Then, the lubricating box 33 is fixed on each zipper head 31, a threaded rod 34 is penetrated through the lubricating box 33, a cavity 35 is processed on the top of the threaded rod 34, a plurality of through holes one 36 and through holes two 37 which are communicated with the cavity 35 are processed on the outer wall of the threaded rod 34, specifically, the plurality of through holes one 36 are arranged below the plurality of through holes two 37, and a sponge block 6 is fixedly arranged in each through hole one 36.

[0027] Moreover, threaded holes 4 are processed on the top and bottom of the lubricating box 33, the threaded rod 34 is penetrated through and screwed with the threaded holes 4, an oil outlet hole 5 which is communicated with the threaded holes 4 is processed on the bottom of the lubricating box 33, and specifically, the inner diameter of the oil outlet hole 5 is larger than that of the threaded hole 4, so that the lubricating oil in the lubricating box 33 can flow out from the oil outlet hole 5 to lubricate.

[0028] By using the zipper mechanism 3 to connect two sub-boxes 1, and arranging the expansion cloth 2 on the two sub-boxes 1, after pulling open the zipper mechanism 3 between the expansion cloth 2 and the sub-box 1, the capacity of the trolley case can be increased, and at the same time, since the expansion cloth 2 is arranged on the two sub-boxes 1, the center of gravity of the trolley case can be kept stable when the trolley case is moved, so that the trolley case is not tilted due to the deviation of the center of gravity, and the user can push and carry the trolley case more conveniently. When pulling the zipper head 31, the user can first twist the threaded rod 34 to move downward to the oil outlet hole 5 on the bottom of the lubricating box 33, the inner diameter of the oil outlet hole 5 is larger than that of the threaded hole 4, so that the lubricating oil in the lubricating box 33 can flow out from the through hole to lubricate the double-layer chain assembly, so as to improve the smoothness of the zipper head 31, and after not using the zipper head 31, the threaded rod 34 is twisted to move upward to the threaded hole 4, so as to avoid the leakage of the lubricating oil.

[0029] In the embodiment, the double-layer zipper assembly 32 includes a top layer chain 321, a middle layer cloth 322 and a bottom layer chain 323, the top layer chain 321, the middle layer cloth 322 and the bottom layer chain 323 are sewn on the sub-box 1 and the expansion cloth 2, the design of the double-layer chain can effectively improve the flat pulling strength of the zipper mechanism 3, and has strong explosion-proof performance, so that even if there are many articles in the trolley case, the zipper mechanism 3 is not easy to be opened.

[0030] In the embodiment, as shown in the drawings, a threaded cover 7 is threadedly connected to the top end of each threaded rod 34, the threaded cover 7 is arranged above the plurality of through holes two 37, and in actual use, a sealing ring or other sealing structure can be arranged on the inner wall of the threaded cover 7 as needed, so as to ensure the sealing between the threaded cover 7 and the threaded rod 34, and a push block 8 is fixedly arranged on the top of the threaded cover 7, so as to facilitate the user to twist the threaded cover 7 to supplement the lubricating oil.

[0031] Finally: the above described is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A double-layer anti-explosion zipper type trolley case, comprising two front and rear symmetrical distributed sub-cabin bodies (1), characterized in that: Two sub-boxes (1) are connected with expansion cloth (2), the expansion cloth (2) and sub-box (1) between two sub-boxes (1) are connected through zipper mechanism (3); The zipper mechanism (3) includes zipper head (31) and double-layer zipper assembly (32) sleeved on the zipper head (31), each zipper head (31) is fixedly provided with lubricating box (33), the threaded rod (34) is penetrated in the lubricating box (33), the threaded rod (34) top is processed with cavity (35), the threaded rod (34) outer wall is processed with a plurality of through holes one (36) and through holes two (37) communicated with cavity (35).

2. The dual-layer explosion-proof zipper type trolley case according to claim 1, characterized in that: The lubricating box (33) top and bottom are processed with threaded hole (4), the threaded rod (34) penetrates threaded hole (4) and is connected with threaded hole (4) in screw thread, the lubricating box (33) bottom is processed with oil outlet hole (5) communicated with threaded hole (4).

3. The dual-layered explosion-proof zipper type trolley case according to claim 1, characterized in that: A plurality of through holes one (36) are arranged below a plurality of through holes two (37), and a sponge block (6) is fixedly arranged in each through hole one (36).

4. The dual-layer explosion-proof zipper type trolley case according to claim 3, characterized in that: The threaded rod (34) top end is connected with threaded cover (7) in screw thread, the threaded cover (7) top is fixedly provided with a push block (8), and the threaded cover (7) is arranged above a plurality of through holes two (37).

5. The dual-layered explosion-proof zipper type trolley case according to claim 1, characterized in that: The double-layer zipper assembly (32) includes top chain (321), middle cloth (322) and bottom chain (323), and the top chain (321), the middle cloth (322) and the bottom chain (323) are sewn on the sub-box (1) and the expansion cloth (2).

6. The dual-layer, explosion-proof zipper type trolley case according to claim 1, wherein: One of the sub-boxes (1) is provided with a receiving groove (9) on the top, and a telescopic handle (10) is fixedly arranged in the receiving groove (9).

7. The dual-layer explosion-proof zipper type trolley case according to claim 6, characterized in that: Two sub-boxes (1) are connected with expansion cloth (2), the expansion cloth (2) and sub-box (1) between two sub-boxes (1) are connected through zipper mechanism (3); Two universal wheels (11) are fixedly arranged on the bottom of the two sub-boxes (1), the two universal wheels (11) are symmetrically distributed on the bottom of the sub-box (1), and the two universal wheels (11) are distributed on both sides of the telescopic handle (10).

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