Trundle assembly for luggage

Abstract

The trundle assembly comprises the luggage, two sets of installation rails are fixedly connected to the lower portion of the luggage, installation grooves are formed in the installation rails, communication grooves communicated with the installation grooves are formed in the lower portions of the two sides of the installation rails, and fixing plates are fixedly connected to the middles of the installation grooves. First springs are fixedly connected to the two sides of the fixing plate, a stop block is fixedly connected to the other end of each first spring, a communicating hole directly facing the stop block is formed in the lower portion of the luggage, a locking rod is slidably connected into the communicating hole, and a mounting block is slidably connected into the mounting groove; a locking hole matched with the locking rod is formed in the upper part of the mounting block, a connecting rod is fixedly connected to the lower part of the mounting block, and the connecting rod penetrates through the communicating groove and is fixedly connected with a mounting plate, so that quick disassembly and assembly of the trundle assembly of the luggage can be realized, and the trundle assembly is convenient to replace.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of luggage technology, specifically is a luggage with trundle assembly. BACKGROUND

[0002] Luggage is an indispensable item in daily life, used to store and protect various items such as clothing, documents, cosmetics, electronic products, etc. They not only have practicality, but also often serve as fashion accessories, reflecting personal taste and style.

[0003] The existing luggage trundle is usually fixedly installed at the lower part of the luggage through threads, and if the trundle cannot be disassembled when the luggage is being air transported, the luggage trundle is likely to be damaged, and if one of the trundles is damaged, the overall movement of the luggage will be affected. SUMMARY

[0004] The utility model aims at providing a luggage trundle assembly to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a luggage trundle assembly, comprising a luggage, two groups of installation rails are fixedly connected to the lower part of the luggage, an installation groove is formed in the inside of the installation rail, a communication groove is formed in the lower part of the two sides of the installation rail and communicates with the installation groove, an isolation plate is fixedly connected to the middle of the installation groove, a first spring is fixedly connected to the two sides of the isolation plate, a blocking block is fixedly connected to the other end of the first spring, a communication hole is formed in the lower part of the luggage and faces the blocking block, a locking rod is slidably connected in the inside of the communication hole, an installation block is slidably connected in the inside of the installation groove, a locking hole is formed in the upper part of the installation block and cooperates with the locking rod, a connecting rod is fixedly connected to the lower part of the installation block, the connecting rod penetrates through the communication groove and is fixedly connected with an installation plate, a damping rod is fixedly connected to the lower part of the installation plate, an installation cylinder is fixedly connected to the lower part of the damping rod, and a universal wheel is rotatably connected in the inside of the installation cylinder.

[0006] Preferably, four groups of pushing grooves are formed in the inner side of the lower part of the luggage, a fixed sheet is fixedly connected to the outer side of the locking rod, the fixed sheet is slidably connected in the inside of the pushing groove, a second spring is fixedly connected between the lower part of the fixed sheet and the pushing groove, and the second spring is sleeved on the outer side of the locking rod.

[0007] Preferably, a control groove is formed in the inner side of the lower part of the luggage, a fixed plate is fixedly connected to the upper part of the locking rod and penetrates into the inside of the control groove, the fixed plate is slidably connected in the inside of the control groove, a pushing rod is fixedly connected to the middle of the lower side of the fixed plate, and the pushing rod is slidably connected in the inside of the lower side of the luggage.

[0008] Preferably, a threaded groove is formed in the middle of the lower side of the luggage, an isolation sleeve is threadedly connected in the inside of the threaded groove, and the isolation sleeve is sleeved on the outer side of the pushing rod.

[0009] Preferably, the first spring is sleeved with a limiting rod at both ends, and the limiting rod is fixedly connected with the blocking block and the isolation plate respectively.

[0010] Preferably, the damping rod is sleeved with a third spring outside, and the third spring is fixedly connected with the mounting plate and the mounting cylinder at both ends.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1、The mounting block is inserted into the mounting groove, the mounting block pushes the blocking block to move, the second spring pulls the fixed sheet, drives the locking rod to move downward, the locking rod falls and is inserted into the locking hole, the fixing of the mounting block is completed, the installation of the universal wheel is realized, the locking rod is separated from the locking hole by moving the pushing rod upward, the unlocking of the mounting block is realized, the quick disassembly and installation of the caster assembly of the luggage can be realized, and the caster assembly is convenient to replace;

[0013] 2、When the universal wheel bounces up and down, the third spring and the damping rod are stretched or compressed, and the up-and-down swing is buffered. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a first perspective three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a second perspective luggage structure sectional view of the utility model;

[0016] Figure 3 It is a third perspective isolation sleeve structure sectional view of the utility model;

[0017] Figure 4 It is a fourth perspective universal wheel structure schematic view of the utility model.

[0018] In the drawing: 1, luggage; 2, mounting rail; 3, communication groove; 4, mounting groove; 5, isolation plate; 6, first spring; 7, blocking block; 8, communication hole; 9, locking rod; 10, pushing groove; 11, control groove; 12, fixed plate; 13, fixed sheet; 14, second spring; 15, limiting rod; 16, pushing rod; 17, screw groove; 18, isolation sleeve; 19, mounting block; 20, locking hole; 21, connecting rod; 22, mounting plate; 23, damping rod; 24, mounting cylinder; 25, universal wheel; 26, third spring. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of caster assembly for luggage, including luggage 1, two groups of installation rail 2 are fixedly welded in the lower part of luggage 1, installation groove 4 is opened in the inside of installation rail 2, the communication groove 3 that is communicated with installation groove 4 is opened in the lower part of the both sides of installation rail 2, isolation plate 5 is fixedly welded in the middle of installation groove 4, first spring 6 is fixedly welded in the both sides of isolation plate 5, blocking block 7 is fixedly welded in the other end of first spring 6, communication hole 8 that is opposite blocking block 7 is opened in the lower part of luggage 1, locking rod 9 is slidably installed in the inside of communication hole 8, first spring 6 moves along installation groove 4 by pushing blocking block 7, so that blocking block 7 shields locking rod 9, prevent locking rod 9 from falling, installation block 19 is slidably installed in the inside of installation groove 4, locking hole 20 that cooperates with locking rod 9 is opened in the upper part of installation block 19, by inserting installation block 19 into installation groove 4, installation block 19 pushes blocking block 7 to move, so that locking rod 9 falls and is inserted into locking hole 20, the fixation of installation block 19 is completed, connecting rod 21 is fixedly welded in the lower part of installation block 19, installation plate 22 is fixedly welded in the penetration communication groove 3 of connecting rod 21, damping rod 23 is screw-mounted in the lower part of installation plate 22, installation cylinder 24 is screw-mounted in the lower part of damping rod 23, universal wheel 25 is rotatably installed in the inside of installation cylinder 24, realize the arbitrary rotation of universal wheel 25;

[0021] The lower inner side of the luggage 1 is provided with four groups of push grooves 10, the outer side of the locking rod 9 is fixedly welded with a fixed sheet 13, the fixed sheet 13 is slidingly installed in the push groove 10, the lower part of the fixed sheet 13 and the push groove 10 are fixedly welded with a second spring 14, the second spring 14 is sleeved on the outer side of the locking rod 9, the second spring 14 drives the locking rod 9 to move downward by pulling the fixed sheet 13, and the locking rod 9 is conveniently inserted into the locking hole 20; the lower inner side of the luggage 1 is provided with a control groove 11, the upper part of the locking rod 9 penetrates into the control groove 11 and is fixedly welded with a fixed plate 12, the fixed plate 12 is slidingly installed in the control groove 11, the lower side of the fixed plate 12 is fixedly welded with a push rod 16 in the middle, the push rod 16 is slidingly connected to the lower inner side of the luggage 1, when the locking rod 9 moves downward, the push rod 16 is driven by the fixed plate 12 to extend out of the luggage 1, the push rod 16 is moved upward, the locking rod 9 is driven to be separated from the locking hole 20, and the unlocking of the mounting block 19 is realized; the lower middle part of the luggage 1 is provided with a threaded groove 17, a spacer sleeve 18 is screwedly installed in the threaded groove 17, the spacer sleeve 18 is sleeved on the outer side of the push rod 16, the push rod 16 is shielded by installing the spacer sleeve 18 into the threaded groove 17, and the upward movement of the push rod 16 caused by sundries on the ground is prevented; the first spring 6 is sleeved with a limiting rod 15 at both ends, the limiting rod 15 is fixedly welded with the blocking block 7 and the isolation plate 5 respectively, and the deviation of the first spring 6 when being compressed is prevented; the outer side of the damping rod 23 is sleeved with a third spring 26, the upper and lower ends of the third spring 26 are fixedly welded with the mounting plate 22 and the mounting cylinder 24 respectively, when the universal wheel 25 bounces up and down, the third spring 26 and the damping rod 23 are stretched or compressed, and the up-and-down shaking is buffered.

[0022] Working principle: when the mounting block 19 is inserted into the mounting groove 4, the mounting block 19 drives the blocking block 7 to move, the second spring 14 drives the locking rod 9 to move downward by pulling the fixed sheet 13, the locking rod 9 falls and is inserted into the locking hole 20, the fixing of the mounting block 19 is completed, the installation of the universal wheel 25 is realized, the locking rod 9 is separated from the locking hole 20 by moving the push rod 16 upward, the unlocking of the mounting block 19 is realized, and the third spring 26 and the damping rod 23 are stretched or compressed when the universal wheel 25 bounces up and down, and the up-and-down shaking is buffered.

[0023] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0024] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A caster assembly for a luggage bag, comprising a luggage bag (1), characterized in that: The luggage (1) lower fixedly connected with two groups of installation rail (2), the installation rail (2) inside is provided with installation slot (4), the installation rail (2) both sides lower part is provided with the communication groove (3) with installation slot (4) intercommunication, the installation slot (4) middle fixedly connected with the isolation plate (5), the isolation plate (5) both sides fixedly connected with first spring (6), first spring (6) the other end fixedly connected with the blocking block (7), the luggage (1) lower part is provided with the communication hole (8) opposite the blocking block (7), the communication hole (8) inside is slidably connected with the locking rod (9), the installation slot (4) inside is slidably connected with the installation block (19), the installation block (19) upper part is provided with the locking hole (20) with locking rod (9), the installation block (19) lower part fixedly connected with the connecting rod (21), the connecting rod (21) penetrates the communication groove (3) fixedly connected with the mounting plate (22), the mounting plate (22) lower part fixedly connected with the damping rod (23), the damping rod (23) lower part fixedly connected with the installation cylinder (24), the installation cylinder (24) inside rotatably connected with universal wheel (25).

2. The caster assembly for luggage cases of claim 1 wherein: The luggage (1) lower inside is provided with four groups of push slot (10), the locking rod (9) outside fixedly connected with fixed sheet (13), the fixed sheet (13) is slidably connected in the push slot (10) inside, the fixed sheet (13) lower part and push slot (10) between fixedly connected with second spring (14), the second spring (14) is sleeved on the outside of locking rod (9).

3. The caster assembly for luggage cases of claim 1 wherein: The luggage (1) lower inside is provided with control slot (11), the locking rod (9) upper part penetrates to the control slot (11) inside fixedly connected with fixed plate (12), the fixed plate (12) is slidably connected in the control slot (11) inside, the fixed plate (12) lower side middle part fixedly connected with push rod (16), the push rod (16) is slidably connected in the lower side inside of luggage (1).

4. The caster assembly for luggage cases of claim 3 wherein: The luggage (1) lower side middle part is provided with screw groove (17), the screw groove (17) inside is threadedly connected with isolation sleeve (18), the isolation sleeve (18) is sleeved on the outside of push rod (16).

5. The caster assembly for luggage cases of claim 1 wherein: The first spring (6) both ends inside is sleeved with limit rod (15), the limit rod (15) is fixedly connected with blocking block (7) and isolation plate (5) respectively.

6. The caster assembly of claim 1, wherein: The damping rod (23) outside is sleeved with third spring (26), the third spring (26) upper and lower ends are fixedly connected with mounting plate (22) and installation cylinder (24) respectively.

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