Luggage draw-bar frame convenient to drag and draw-bar luggage

Abstract

The luggage pull rod frame comprises a control box, two groups of outer pull rods are connected in the control box in a sliding mode, U-shaped pull rods are connected in the outer pull rods in a sliding mode, control rods are connected in the two sides of the U-shaped pull rods in a sliding mode, grooves are formed in the bottoms of the control rods, and the control rods are connected with the outer pull rods in a sliding mode. First locking rods are slidably connected to the two sides of the bottom of the U-shaped pull rod, two sets of control holes are formed in the upper side of the interior of the outer pull rod, a sliding piece is slidably connected to the interior of the outer pull rod, a second locking rod is fixedly connected to one side of the lower portion of the sliding piece, and a first lifting hole is formed in the second locking rod. A third sliding rod is slidably connected to the interior of the first lifting hole, a fourth sliding rod is fixedly connected to the upper portion of the third sliding rod, a second lifting hole is formed in the second locking rod, stretching and retracting of the two sets of pull rods can be controlled, the stretching length of the pull rods can be conveniently controlled, and the pull-rod luggage is convenient to drag according to the heights of different users.

Description

Technical Field

[0001] The utility model relates to the technical field of luggage, in particular to a luggage drawbar rack and a drawbar luggage which are convenient to drag. Background Art

[0002] Most trolley bags have a bracket structure and a roller moving structure, which can make the weight of the items people carry act more on the bracket and are easy to move. They are commonly used products for people to travel and carry items.

[0003] Existing trolley bags are generally equipped with a set of trolleys, which results in a fixed extension length of the trolleys of the trolley bags. People of different heights cannot get a good user experience, which makes it inconvenient to drag the trolley bags. Here, we propose a trolley bag with two sets of trolleys, which can adjust the extension length of the trolleys according to the height of the user. Utility Model Content

[0004] The purpose of the utility model is to provide a luggage trolley rack and a trolley luggage that are convenient to drag, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a luggage trolley rack and a trolley luggage that is easy to drag, comprising a control box, two sets of outer pull rods are slidably connected inside the control box, a U-shaped pull rod is slidably connected inside the outer pull rod, a push button is slidably connected inside the upper side of the U-shaped pull rod, the lower part of the push button penetrates the upper wall of the U-shaped pull rod and is fixedly connected to a push plate, control rods are slidably connected inside the two sides of the U-shaped pull rod, grooves are provided on the opposite sides of the bottom of the control rod, locking grooves are provided on both sides of the bottom of the U-shaped pull rod, a first locking rod is slidably connected inside the locking groove, and two sets of control rods are provided on the upper side of the inner part of the outer pull rod A hole, an inner control groove is provided inside the outer pull rod, a sliding sheet is slidably connected inside the inner control groove, a second locking rod is fixedly connected to the side of the lower part of the sliding sheet facing away from the U-shaped pull rod, a first lifting hole is provided inside the second locking rod, outer control grooves are provided on the inner walls on both sides of the control box, a third sliding rod is slidably connected inside the first lifting hole, the bottom of the third sliding rod is fixedly connected to the inner wall of the outer control groove, a fourth sliding rod is fixedly connected to the upper part of the third sliding rod, a second lifting hole matching the fourth sliding rod is provided inside the second locking rod, and a connecting hole connecting the first lifting hole and the second lifting hole is provided inside the second locking rod.

[0006] Preferably, two groups of upper locking holes matching the first locking rod are formed at the upper inner portion of the outer pull rod, and two groups of lower locking holes matching the first locking rod are formed at the lower inner portion of the outer pull rod.

[0007] Preferably, a pushing groove communicated with the locking groove is opened inside the outer pull rod, a first sliding rod is fixedly connected inside the pushing groove, ears are fixedly connected on the upper and lower sides of the first locking rod, the ears are slidably connected to the outside of the first sliding rod, a second spring is fixedly connected to the side of the ear facing the control rod, and the other end of the second spring is fixedly connected to the inner wall of the pushing groove.

[0008] Preferably, the upper parts of the control rods on both sides are fixedly connected with fixing plates, the lower parts of the fixing plates are fixedly connected with two groups of first springs, and the first springs are sleeved on the outer sides of the control rods.

[0009] Preferably, two sets of second sliding rods are fixedly connected to the upper and lower ends of the inner control groove, a third spring is sleeved on the outer side of the second sliding rod, and both ends of the third spring are fixedly connected to the sliding sheet and the inner wall of the inner control groove.

[0010] Preferably, the second locking rod is fixedly connected to a connecting rod on the side away from the sliding plate, the other end of the connecting rod is fixedly connected to a fixing plate, a locking cylinder is slidably connected to the outer sides of the connecting rod and the fixing plate, a fourth spring is fixedly connected to the side of the fixing plate facing the second locking rod, the other end of the fourth spring is fixedly connected to the inner wall of the locking cylinder, and an external locking hole matching the locking cylinder is opened on the upper part of the external control groove.

[0011] Preferably, a handle is fixedly connected to the upper portion of the U-shaped pull rod, a bag is fixedly connected to one side of the control box, and four sets of universal wheels are fixedly connected to the lower portion of the bag.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model cooperates with a pressing button, a pressing plate, a control rod, a first locking rod, a groove, a U-shaped pull rod, an outer pull rod, a control hole, a sliding piece, a third sliding rod, a connecting hole, a first lifting hole, a second lifting hole, a fourth sliding rod, a control box and a connecting hole in use. By pressing the pressing button, the pressing plate pushes the control rod to move downward, so that the first locking rod is inserted into the groove, so that the U-shaped pull rod can move up and down along the inner part of the outer pull rod, the first locking rod is inserted into the control hole, and the sliding piece is pushed, so that the third sliding rod enters the second lifting hole from the first lifting hole along the connecting hole, so that the fourth sliding rod faces the second lifting hole, so that the outer pull rod moves up and down along the inner part of the control box, the first locking rod is inserted into the control hole, and the sliding piece is pushed, so that the third sliding rod enters the second lifting hole from the first lifting hole along the connecting hole, so that the fourth sliding rod faces the second lifting hole, so that the outer pull rod moves up and down along the inner part of the control box, the telescopic extension of the two groups of pull rods can be controlled, the extension length of the pull rod can be controlled, and the pull rod case can be dragged according to the height of different users. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1This is a schematic diagram of the three-dimensional structure of the utility model from the first viewing angle;

[0015] Figure 2 This is a cross-sectional view of the control box structure of the utility model from a second viewing angle;

[0016] Figure 3 This is a cross-sectional view of the control box structure of the utility model from the third viewing angle;

[0017] Figure 4 This is a cross-sectional view of the external pull rod structure of the utility model from the fourth viewing angle;

[0018] Figure 5 This is a cross-sectional view of the U-shaped pull rod structure of the utility model from the fifth viewing angle;

[0019] Figure 6 This is a cross-sectional view of the locking tube structure from the sixth viewing angle of the utility model.

[0020] In the figure: 1, control box; 2, luggage; 3, outer pull rod; 4, U-shaped pull rod; 5, control rod; 6, push button; 7, push plate; 8, fixed plate; 9, first spring; 10, groove; 11, locking groove; 12, first locking rod; 13, pushing groove; 14, first sliding rod; 15, ear; 16, second spring; 17, upper locking hole; 18, lower locking hole; 19, control hole; 20, handle; 21, inner control groove; 22, second sliding rod; 23, third spring; 24, sliding sheet; 25, second locking rod; 26, first lifting hole; 27, second lifting hole; 28, connecting hole; 29, outer control groove; 30, third sliding rod; 31, fourth sliding rod; 32, locking cylinder; 33, outer locking hole; 34, connecting rod; 35, fixing sheet; 36, fourth spring; 37, universal wheel. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-6The utility model provides a technical solution: a luggage trolley rack and a trolley luggage that is easy to drag, including a control box 1, two groups of outer pull rods 3 are slidably installed inside the control box 1, a U-shaped pull rod 4 is slidably installed inside the outer pull rod 3, a push button 6 is slidably installed inside the upper side of the U-shaped pull rod 4, the lower part of the push button 6 penetrates through the upper wall of the U-shaped pull rod 4 and is fixedly welded with a push plate 7, control rods 5 are slidably installed on both sides of the U-shaped pull rod 4, grooves 10 are opened on the opposite sides of the bottom of the control rod 5, locking grooves 11 are opened on both sides of the bottom of the U-shaped pull rod 4, and a first locking rod 12 is slidably installed inside the locking groove 11, by pressing the push button 6, the push plate 7 pushes the control rod 5 to move downward, so that the first locking rod 12 enters the groove 10, so that the U-shaped pull rod 4 can move up and down along the inside of the outer pull rod 3, two groups of control holes 19 are opened on the upper side of the inner part of the outer pull rod 3, an inner control groove 21 is opened inside the outer pull rod 3, and the inner control groove 21 slides inside A sliding sheet 24 is installed, and a second locking rod 25 is fixedly welded on the side of the lower part of the sliding sheet 24 away from the U-shaped pull rod 4. A first lifting hole 26 is opened inside the second locking rod 25, and outer control grooves 29 are opened on the inner walls of both sides of the control box 1. A third sliding rod 30 is slidably installed inside the first lifting hole 26, and the bottom of the third sliding rod 30 is fixedly welded to the inner wall of the outer control groove 29, and a fourth sliding rod 31 is fixedly welded on the upper part of the third sliding rod 30. A second lifting hole 27 matching the fourth sliding rod 31 is opened inside the second locking rod 25, and a connecting hole 28 connecting the first lifting hole 26 and the second lifting hole 27 is opened inside the second locking rod 25. The first locking rod 12 is inserted into the control hole 19 to push the sliding sheet 24, so that the third sliding rod 30 enters the second lifting hole 27 from the first lifting hole 26 along the connecting hole 28, so that the fourth sliding rod 31 is opposite to the second lifting hole 27, so that the outer pull rod 3 moves up and down along the inside of the control box 1;

[0023] Two groups of upper locking holes 17 matching the first locking rod 12 are opened at the upper inner part of the outer pull rod 3, and two groups of lower locking holes 18 matching the first locking rod 12 are opened at the lower inner part of the outer pull rod 3. By inserting the first locking rod 12 into the upper locking holes 17 and the lower locking holes 18, the release and recovery positions of the U-shaped pull rod 4 are fixed; a push groove 13 communicating with the locking groove 11 is opened inside the outer pull rod 3, and a first sliding rod 14 is fixedly welded inside the push groove 13, and ears 15 are fixedly welded on the upper and lower sides of the first locking rod 12, and the ears 15 are slidably installed on the first On the outside of a sliding rod 14, a second spring 16 is fixedly welded on the side of the ear 15 facing the control rod 5, and the other end of the second spring 16 is fixedly welded to the inner wall of the push groove 13. The second spring 16 pulls the ear 15 to move the first locking rod 12 toward the control rod 5, so that the first locking rod 12 can be inserted into the groove 10; a fixing plate 8 is fixedly welded on the upper part of the control rods 5 on both sides, and two groups of first springs 9 are fixedly welded on the lower part of the fixing plate 8. The first spring 9 is sleeved on the outside of the control rod 5, and the first spring 9 pushes the fixing plate 8 to move upward, so that the control rod 5 moves upward. The first locking rod 12 is separated from the groove 10; two sets of second sliding rods 22 are fixedly welded at the upper and lower ends of the inner control groove 21, and a third spring 23 is sleeved on the outer side of the second sliding rod 22. The two ends of the third spring 23 are fixedly welded to the sliding sheet 24 and the inner wall of the inner control groove 21. The third spring 23 pushes the sliding sheet 24 to move away from the second locking rod 25, so that the third sliding rod 30 enters the first lifting hole 26; a connecting rod 34 is fixedly welded on the side of the second locking rod 25 away from the sliding sheet 24, and a fixing sheet 35 is fixedly welded on the other end of the connecting rod 34. The connecting rod 34 and the fixing sheet 35 are fixedly welded. A locking cylinder 32 is slidably mounted on the outer side of the U-shaped pull rod 4, a fourth spring 36 is fixedly welded on the side of the fixing plate 35 facing the second locking rod 25, the other end of the fourth spring 36 is fixedly welded to the inner wall of the locking cylinder 32, an outer locking hole 33 matching the locking cylinder 32 is opened on the upper part of the outer control groove 29, the fourth spring 36 pushes the locking cylinder 32 to move away from the second locking rod 25, so that the locking cylinder 32 can be inserted into the outer locking hole 33; a handle 20 is fixedly welded on the upper part of the U-shaped pull rod 4, a bag 2 is threadedly mounted on one side of the control box 1, and four sets of universal wheels 37 are threadedly mounted on the lower part of the bag 2.

[0024] Working principle: When the utility model is in use, by pressing the push button 6, the push plate 7 pushes the control rod 5 to move downward, and the second spring 16 pulls the ear 15 to make the first locking rod 12 move toward the side close to the control rod 5, so that the first locking rod 12 can be inserted into the groove 10, so that the U-shaped pull rod 4 can move up and down along the outer pull rod 3. The first spring 9 pushes the fixing plate 8 to move upward, so that the control rod 5 moves upward, and the first locking rod 12 is disengaged from the groove 10. The first locking rod 12 is inserted into the upper locking hole 17 and the lower locking hole 18 to fix the release and recovery position of the U-shaped pull rod 4. The first locking rod 12 is inserted into the control hole 19 and pushes the sliding sheet 24, so that the third sliding rod 30 enters the second lifting hole 27 from the first lifting hole 26 along the connecting hole 28, so that the fourth The sliding rod 31 is opposite to the second lifting hole 27, so that the outer pull rod 3 moves up and down along the inside of the control box 1. The first locking rod 12 is inserted into the control hole 19, pushing the sliding plate 24, so that the third sliding rod 30 enters the second lifting hole 27 from the first lifting hole 26 along the connecting hole 28, so that the fourth sliding rod 31 is opposite to the second lifting hole 27, so that the outer pull rod 3 moves up and down along the inside of the control box 1, and the fourth spring 36 pushes the locking cylinder 32 to move away from the second locking rod 25, so that the locking cylinder 32 can be inserted into the outer locking hole 33, and the extended position of the outer pull rod 3 is fixed. When the first locking rod 12 is disengaged from the control hole 19, the third spring 23 pushes the sliding plate 24 to move away from the second locking rod 25, so that the third sliding rod 30 enters the first lifting hole 26, and the retracted position of the outer pull rod 3 is fixed.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A luggage trolley rack and a trolley luggage convenient for dragging, comprising a control box (1), characterized in that: The control box (1) is internally slidably connected with two groups of outer pull rods (3), and the outer pull rod (3) is internally slidably connected with a U-shaped pull rod (4). The upper side of the U-shaped pull rod (4) is internally slidably connected with a push button (6), and the lower part of the push button (6) penetrates the upper wall of the U-shaped pull rod (4) and is fixedly connected with a push plate (7). The two sides of the U-shaped pull rod (4) are internally slidably connected with control rods (5), and grooves (10) are provided on the opposite sides of the bottom of the control rod (5). The two sides of the bottom of the U-shaped pull rod (4) are provided with locking grooves (11), and the locking grooves (11) are internally slidably connected with a first locking rod (12). Two groups of control holes (19) are provided on the upper side of the inner part of the outer pull rod (3), and an inner control groove (21) is provided inside the outer pull rod (3), and the inner control groove (21) is internally slidably connected with a first locking rod (12). A sliding plate (24) is connected, and a second locking rod (25) is fixedly connected to the side of the lower part of the sliding plate (24) facing away from the U-shaped pull rod (4), and a first lifting hole (26) is opened inside the second locking rod (25). The inner walls on both sides of the control box (1) are provided with external control grooves (29), and a third sliding rod (30) is slidably connected inside the first lifting hole (26), and the bottom of the third sliding rod (30) is fixedly connected to the inner wall of the external control groove (29), and a fourth sliding rod (31) is fixedly connected to the upper part of the third sliding rod (30), and a second lifting hole (27) matching with the fourth sliding rod (31) is opened inside the second locking rod (25), and a connecting hole (28) connecting the first lifting hole (26) and the second lifting hole (27) is opened inside the second locking rod (25).

2. The luggage trolley rack and trolley luggage that are easy to drag according to claim 1, characterized in that: The upper inner portion of the outer pull rod (3) is provided with two groups of upper locking holes (17) matching the first locking rod (12), and the lower inner portion of the outer pull rod (3) is provided with two groups of lower locking holes (18) matching the first locking rod (12).

3. The luggage trolley rack and trolley luggage that are easy to drag according to claim 1, characterized in that: The outer pull rod (3) is provided with a pushing groove (13) in communication with the locking groove (11); the pushing groove (13) is fixedly connected with a first sliding rod (14); the first locking rod (12) is fixedly connected with ears (15) on both upper and lower sides; the ears (15) are slidably connected to the outside of the first sliding rod (14); the ears (15) are fixedly connected with a second spring (16) on the side facing the control rod (5); the other end of the second spring (16) is fixedly connected to the inner wall of the pushing groove (13).

4. The luggage trolley rack and trolley luggage convenient to drag according to claim 1, characterized in that: The upper parts of the control rods (5) on both sides are fixedly connected with fixed plates (8), and the lower parts of the fixed plates (8) are fixedly connected with two groups of first springs (9), and the first springs (9) are sleeved on the outer sides of the control rods (5).

5. The luggage trolley rack and trolley luggage convenient to drag according to claim 1, characterized in that: Two sets of second sliding rods (22) are fixedly connected at the upper and lower ends of the inner control groove (21); a third spring (23) is sleeved on the outer side of the second sliding rod (22); and two ends of the third spring (23) are fixedly connected to the sliding sheet (24) and the inner wall of the inner control groove (21).

6. The luggage trolley rack and trolley luggage convenient to drag according to claim 1, characterized in that: The second locking rod (25) is fixedly connected to a connecting rod (34) at one side away from the sliding plate (24), and the other end of the connecting rod (34) is fixedly connected to a fixing plate (35). A locking cylinder (32) is slidably connected to the outer sides of the connecting rod (34) and the fixing plate (35). A fourth spring (36) is fixedly connected to the side of the fixing plate (35) facing the second locking rod (25), and the other end of the fourth spring (36) is fixedly connected to the inner wall of the locking cylinder (32). An outer locking hole (33) matching the locking cylinder (32) is provided on the upper part of the outer control groove (29).

7. The luggage trolley rack and trolley luggage that are easy to drag according to claim 1, characterized in that: The upper portion of the U-shaped pull rod (4) is fixedly connected to a handle (20), one side of the control box (1) is fixedly connected to a bag (2), and the lower portion of the bag (2) is fixedly connected to four sets of universal wheels (37).

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