Trunk pull rod telescopic locking structure and doll-sliding trunk

Abstract

The luggage case pull rod telescopic locking structure comprises a case body, a first pull rod and a second pull rod which can slide relatively are arranged on the case body, an unlocking assembly and a first locking piece are arranged on the first pull rod, and the first locking piece comprises a first locking block and a first inclined face. The first locking block is used for locking the first pull rod relative to the second pull rod after the first pull rod extends out, the unlocking assembly comprises a button, a transmission piece and a first unlocking piece, the button is connected with the transmission piece, the first unlocking piece is provided with a second inclined plane used for pushing the first locking block, and the first inclined plane is matched with the second inclined plane. The luggage case pull rod telescopic locking structure and the doll-slipping luggage case have the following advantages that the first inclined surface and the second inclined surface only need to be mounted in an attached manner, so that the mounting is simple and convenient; through cooperation of the first inclined face and the second inclined face, the first locking piece and the first unlocking piece can push each other, namely linkage between the first locking piece and the first unlocking piece is achieved, and it is guaranteed that the first pull rod is unlocked reliably.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the luggage, especially to a luggage trolley telescopic locking structure and a baby walking luggage. BACKGROUND

[0002] The luggage is a main tool when going out, and the current luggage is generally a trolley type luggage, including a telescopic trolley and two wheels, when moving the luggage, the wheels are placed on the ground and the trolley is pulled, which is convenient and fast.

[0003] The trolley on the luggage is a functional part for dragging the luggage to move. The common luggage trolley on the market is a U-shaped part, the processing difficulty of the U-shaped trolley is high, the overall cost is high, and the transmission of the locking structure needs to be transmitted from the middle to the two sides. In order to facilitate steering, a rope is used, and the reliability of the rope will be reduced after long-term use, and it is relatively complex. UTILITY MODEL CONTENTS

[0004] The purpose of the present application is to provide a luggage trolley telescopic locking structure and a baby walking luggage, and the locking structure is simple and reliable.

[0005] The technical scheme adopted by the present application is as follows: a luggage trolley telescopic locking structure, including a box body, a first trolley and a second trolley which can slide relative to the box body, a first trolley is provided with an unlocking assembly and a first locking part, the first locking part includes a first locking block and a first inclined surface, the first locking block is used for locking the first trolley after extension relative to the second trolley, the unlocking assembly includes a button, a transmission part and a first unlocking part, the button is connected with the transmission part, the first unlocking part is provided with a second inclined surface for pushing the first locking block, and the first inclined surface and the second inclined surface are matched; in the unlocking state of the first trolley, the transmission part is attached to the first unlocking part.

[0006] Compared with the prior art, the first inclined surface and the second inclined surface only need to be attached, which is simple and convenient to install; through the cooperation of the first inclined surface and the second inclined surface, the first locking part and the first unlocking part can be pushed by each other, that is, the first locking part and the first unlocking part are linked, which ensures the reliability of the first trolley unlocking; the first trolley and the second trolley are both single tube structures, which are straight up and straight down, convenient to process, low in overall cost, and the transmission in the trolley is linear, without steering.

[0007] In some embodiments of the present application, the first trolley is provided with a first fixed sleeve, the first unlocking part and the first locking part are arranged on the first fixed sleeve; the first unlocking part is provided with a first protrusion, the first fixed sleeve is provided with a first limiting surface for blocking the first protrusion, and in the locked state of the first trolley, the first protrusion is attached to the first limiting surface.

[0008] Further, the first fixed sleeve is located at the bottom of the first pull rod, part of the first fixed sleeve protrudes from the outer surface of the first pull rod, the top of the second pull rod is provided with a first blocking ring, the first blocking ring is located between the first pull rod and the second pull rod, and in the state that the first pull rod is stretched out to the position, the first fixed sleeve is attached to the first blocking ring.

[0009] In some embodiments of the present application, the top of the first pull rod is provided with a pull rod handle, the upper end of the first pull rod is connected with the pull rod handle, and the lower end of the first pull rod is arranged on the second pull rod; a button is arranged on the pull rod handle, and a transmission member is arranged in the first pull rod.

[0010] In some embodiments of the present application, the box is further provided with a third pull rod, the third pull rod is connected with the box, and the second pull rod is arranged on the third pull rod.

[0011] Further, the second pull rod is provided with a second locking member and a second unlocking member, the second locking member comprises a second locking block and a third inclined surface, the second locking block is used for locking the second pull rod relative to the third pull rod after being stretched out; the second unlocking member is provided with a fourth inclined surface for pushing the second locking block, and the third inclined surface and the fourth inclined surface are matched.

[0012] Further, the second pull rod is provided with a second fixed sleeve, the second unlocking member and the second locking member are arranged on the second fixed sleeve; the second unlocking member is provided with a second protruding block, the second fixed sleeve is provided with a second limiting surface for blocking the second protruding block, and in the state that the second pull rod is locked, the second protruding block is attached to the second limiting surface.

[0013] Further, the second fixed sleeve is located at the bottom of the second pull rod, part of the second fixed sleeve protrudes from the outer surface of the second pull rod, the top of the third pull rod is provided with a second blocking ring, the second blocking ring is located between the third pull rod and the second pull rod, and in the state that the second pull rod is stretched out to the position, the second fixed sleeve is attached to the second blocking ring.

[0014] Further, the third pull rod is provided with two first through holes, the first through holes are matched with the first locking block; the second pull rod is provided with at least two second through holes, the second through holes are matched with the first locking block; the second pull rod is provided with a handle; the third pull rod is further provided with a third through hole, and the third through hole is matched with the second locking block.

[0015] A kind of baby walking luggage case, including the luggage case pull rod telescopic locking structure of above-mentioned. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic view of the embodiment 1 of the utility model;

[0017] Figure 2 It is the sectional view of the embodiment 1 of the utility model;

[0018] Figure 3 is Figure 2 an enlarged view of part A in

[0019] Figure 4 is Figure 2 an enlarged view of part B in

[0020] Figure 5 is Figure 2 an enlarged view of part C in

[0021] In the figure: 1, box; 2, first pull rod; 21, first fixed sleeve; 211, first limiting surface; 3, second pull rod; 31, first blocking ring; 32, second fixed sleeve; 321, second limiting surface; 33, second through hole; 4, unlocking assembly; 41, button; 42, transmission member; 421, transmission rod; 422, push plate; 43, first unlocking member; 431, second inclined surface; 432, first protruding block; 5, first locking member; 51, first locking block; 511, first elastic member; 52, first inclined surface; 6, pull rod handle; 7, third pull rod; 71, second blocking ring; 72, first through hole; 73, third through hole; 8, second locking member; 81, second locking block; 811, second elastic member; 82, third inclined surface; 9, second unlocking member; 91, fourth inclined surface; 92, second protruding block; 10, handle. DETAILED DESCRIPTION

[0022] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.

[0023] Embodiment 1

[0024] The luggage pull rod telescopic locking structure provided in the embodiment, like Figure 1 , Figure 2 , Figure 3As shown, including the box 1, the box 1 is provided with a first pull rod 2 and a second pull rod 3 which can slide relative to each other, the first pull rod 2 is provided with an unlocking assembly 4 and a first locking piece 5, the first locking piece 5 includes a first locking block 51 and a first inclined surface 52, the first locking block 51 is used for locking after the first pull rod 2 extends relative to the second pull rod 3, the unlocking assembly 4 includes a button 41, a transmission member 42 and a first unlocking piece 43, the button 41 is connected with the transmission member 42, the first unlocking piece 43 is provided with a second inclined surface 431 for pushing the first locking block 51, the first inclined surface 52 and the second inclined surface 431 cooperate; in the unlocking state of the first pull rod 2, the transmission member 42 is attached to the first unlocking piece 43; in the locking state of the first pull rod 2, the first locking block 51 is arranged on the second through hole 33. The first pull rod 2 and the second pull rod 3 are both hollow straight pipe fittings, the first unlocking piece 43 is arranged in the first pull rod 2; the first unlocking piece 43 is used for releasing the locking between the first pull rod 2 and the second pull rod 3. The first locking block 51 has a movement trend away from the center of the first pull rod 2, which is realized by a first elastic member 511, the first elastic member 511 is a spring, one end of the first elastic member 511 is attached to the first locking block 51, the other end of the first elastic member 511 is attached to the first fixed sleeve 21. In the embodiment, the transmission member 42 includes a transmission rod 421 and a push plate 422, one end of the transmission rod 421 is connected with the button 41, the other end of the transmission rod 421 is connected with the push plate 422, the push plate 422 is located above the first unlocking piece 43, the bottom area of the push plate 422 is large, which is convenient for contacting with the first unlocking piece 43 and ensures the reliable unlocking pressing.

[0025] The first pull rod 2 and the second pull rod 3 are both single pipe structures, straight up and straight down, which is convenient for processing and has low overall cost, the transmission in the pull rod is straight without turning; the first inclined surface 52 and the second inclined surface 431 only need to be attached and installed, which is simple and convenient; through the cooperation of the first inclined surface 52 and the second inclined surface 431, the first locking piece 5 and the first unlocking piece 43 can push each other, that is, linkage between the first locking piece 5 and the first unlocking piece 43, which ensures the reliable unlocking of the first pull rod 2; in use, after the first pull rod 2 extends to the position, the first locking block 51 is inserted into the second through hole 33, the first inclined surface 52 pushes the second inclined surface 431, so that the first unlocking piece 43 moves away from the first locking piece 5, and is in the extended locking state; when unlocking, the button 41 is pressed, the button 41 drives the push plate 422 to move through the transmission rod 421, the push plate 422 moves downward to contact with the first unlocking piece 43 and pushes the first unlocking piece 43 to move toward the first locking piece 5, the second inclined surface 431 pushes the first inclined surface 52, so that the first locking piece 5 moves toward the center, the first locking piece 5 leaves the second through hole 33, so that the first pull rod 2 can move freely, and the unlocking is completed.

[0026] In order to reliably install the first unlocking piece 43 and the first locking piece 5, the first fixed sleeve 21 is arranged in the first pull rod 2, and the first unlocking piece 43 and the first locking piece 5 are arranged on the first fixed sleeve 21; the first protruding block 432 is arranged on the first unlocking piece 43, and the first limiting surface 211 for blocking the first protruding block 432 is arranged on the first fixed sleeve 21; the movement direction of the first unlocking piece 43 is perpendicular to the movement direction of the first locking piece 5. The first fixed sleeve 21 is used to provide the installation position of the first unlocking piece 43 and the first locking piece 5, and can guide the movement of the first unlocking piece 43 and the first locking piece 5; the first protruding block 432 and the first limiting surface 211 are matched, which can prevent the first unlocking piece 43 from being pulled out, and limit the maximum extension distance of the first locking block 51 through the second through hole 33, so that the pressing of the button 41 can stably push the first locking block 51 out of the second through hole 33, and the unlocking is reliable.

[0027] In order to reliably install the first pull rod 2, the first fixed sleeve 21 is arranged at the bottom of the first pull rod 2, part of the first fixed sleeve 21 protrudes from the outer surface of the first pull rod 2, the top of the second pull rod 3 is provided with the first blocking ring 31, the first blocking ring 31 is arranged between the first pull rod 2 and the second pull rod 3, and in the state that the first pull rod 2 is extended to the position, the first fixed sleeve 21 is attached to the bottom surface of the first blocking ring 31. Part of the first fixed sleeve 21 is arranged in the first pull rod 2 and connected with the first pull rod 2, and the remaining part protrudes from the outer surface of the first pull rod 2; the design of the first blocking ring 31 can not only ensure that there is a gap between the first pull rod 2 and the second pull rod 3 to prevent friction when the two move, but also block the protruding part of the first fixed sleeve 21 to limit the position, prevent the first pull rod 2 from being pulled out, and prevent the first pull rod 2 and the second pull rod 3 from being clamped when moving or scratching the hand at the top of the second pull rod 3; the first locking block 51 is arranged outside the first pull rod 2, and no hole is arranged on the first pull rod 2 to accommodate the first locking block 51, which reduces the processing difficulty and ensures the structural strength of the first pull rod 2.

[0028] In order to facilitate the telescopic operation, the top of the first pull rod 2 is provided with the pull rod handle 6, the upper end of the first pull rod 2 is connected with the pull rod handle 6, and the lower end of the first pull rod 2 is arranged in the second pull rod 3; the button 41 is arranged on the pull rod handle 6, and the transmission member 42 is arranged in the first pull rod 2. The pull rod handle 6 is convenient for users to grasp, and the user can conveniently perform telescopic operation and drag the luggage through the pull rod handle 6; the button 41 is arranged on the pull rod handle 6, which is convenient for the user to press and use.

[0029] In order to connect the box 1 reliably, the third pull rod 7 is arranged on the box 1, the second pull rod 3 is arranged on the third pull rod 7, and the third pull rod 7 is hollow.

[0030] In order to lock the second pull rod 3 reliably, the second locking member 8 and the second unlocking member 9 are arranged on the second pull rod 3, the second locking member 8 comprises the second locking block 81 and the third inclined surface 82, the second locking block 81 is used for locking the second pull rod 3 after being extended relative to the third pull rod 7, the fourth inclined surface 91 for pushing the second locking block 81 is arranged on the second unlocking member 9, the third inclined surface 82 and the fourth inclined surface 91 are matched, the bottom surface of the first fixed sleeve 21 is attached to the second unlocking member 9 in the unlocking state of the second pull rod 3, and the second locking block 81 is arranged on the third through hole 73 in the locking state of the second pull rod 3. Figure 4

[0031] The third inclined surface 82 and the fourth inclined surface 91 are matched and only need to be attached and installed, so that the installation is simple and convenient, the second locking member 8 and the second unlocking member 9 can be pushed by each other through the matching of the third inclined surface 82 and the fourth inclined surface 91, that is, the linkage between the second locking member 8 and the second unlocking member 9 is guaranteed, the second pull rod 3 is unlocked reliably, the second locking block 81 is arranged on the third through hole 73 in the locking state of the second pull rod 3, the first pull rod 2 slides downward in the unlocking state, the bottom surface of the first fixed sleeve 21 is in contact with the second unlocking member 9 and pushes the second unlocking member 9 to move towards the second locking block 81, the fourth inclined surface 91 pushes the third inclined surface 82, so that the second locking member 8 moves towards the center, the second locking block 81 is away from the third through hole 73, so that the second pull rod 3 can move freely, and the unlocking is completed.

[0032] ​In order to reliably install the second unlocking piece 9 and the second locking piece 8, the second pull rod 3 is provided with a second fixing sleeve 32, the second unlocking piece 9 and the second locking piece 8 are both arranged on the second fixing sleeve 32; the second unlocking piece 9 is provided with a second protruding block 92, the second fixing sleeve 32 is provided with a second limiting surface 321 for blocking the second protruding block 92, and the second protruding block 92 is attached to the second limiting surface 321 in the locked state of the second pull rod 3; the movement direction of the second unlocking piece 9 is perpendicular to the movement direction of the second locking piece 8. The second fixing sleeve 32 is used to provide the installation position of the second unlocking piece 9 and the second locking piece 8, and can guide the movement of the second unlocking piece 9 and the second locking piece 8; the second protruding block 92 and the second limiting surface 321 are matched to prevent the second unlocking piece 9 from being pulled out, and limit the maximum extension distance of the second locking block 81 through the third through hole 73, so that the second locking block 81 can be stably pushed out of the third through hole 73 during the unlocking operation, and the unlocking is reliable.

[0033] In order to reliably install the second pull rod 3, the second fixing sleeve 32 is located at the bottom of the second pull rod 3, part of the second fixing sleeve 32 protrudes from the outer surface of the second pull rod 3, the top of the third pull rod 7 is provided with a second blocking ring 71, the second blocking ring 71 is located between the third pull rod 7 and the second pull rod 3, and the second fixing sleeve 32 is attached to the bottom surface of the second blocking ring 71 in the state that the second pull rod 3 is extended to the position. Part of the second fixing sleeve 32 is located in the second pull rod 3 and connected with the second pull rod 3, and the remaining part protrudes from the outer surface of the second pull rod 3; the design of the second blocking ring 71 can not only ensure that there is a gap between the third pull rod 7 and the second pull rod 3 to prevent friction when the two move, but also block the protruding part of the second fixing sleeve 32 to limit the position, prevent the second pull rod 3 from being pulled out, and prevent the third pull rod 7 and the second pull rod 3 from being clamped when moving or the top of the third pull rod 7 from scratching the hand; the second locking block 81 is located outside the second pull rod 3, and the second pull rod 3 does not need to be provided with a hole for accommodating the second locking block 81, which reduces the processing difficulty and ensures the structural strength of the second pull rod 3.

[0034] In order to reliably lock, Figure 5As shown, the third pull rod 7 is provided with two first through holes 72 for cooperating with the first locking block 51; the second pull rod 3 is provided with at least two second through holes 33 for cooperating with the first locking block 51; the second pull rod 3 is provided with a handle 10; the third pull rod 7 is further provided with a third through hole 73 for cooperating with the second locking block 81. In the embodiment, two first through holes 72 are provided; three second through holes 33 are provided, and the first pull rod 2 can realize three-grade adjustment relative to the second pull rod 3, which is suitable for different user groups with different heights; the first through hole 72 and the second through hole 33 are located on the same side, and the third through hole 73 and the first through hole 72 are located on opposite sides. The first through hole 72 is used for cooperating with the first locking block 51 to lock after the pull rod is retracted, the design of two first through holes 72 enables the second pull rod 3 to realize two-grade adjustment relative to the third pull rod 7 after being retracted, if the first locking block 51 is arranged in the lower first through hole 72, the top surface of the second pull rod 3 is flush with the outer surface of the box body 1, and the second pull rod 3 is completely retracted into the third pull rod 7, if the first locking block 51 is arranged in the upper first through hole 72, the top surface of the second pull rod 3 is spaced apart from the outer surface of the box body 1, and the spacing is used for mounting the handle 10; the design of the handle 10 facilitates the child to hold the handle when riding on the luggage box, and ensures the stability of the child riding; the third through hole 73 is used for cooperating with the second locking block 81 to lock after the second pull rod 3 is extended.

[0035] Embodiment 2:

[0036] The luggage box for taking children for a walk provided in the embodiment comprises the luggage pull rod telescopic locking structure described in the embodiment 1.

[0037] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above with a preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution of the present application, and any equivalent embodiments with equivalent changes and modifications are still within the scope of the present application.

Claims

1. A luggage trolley telescopic locking structure, characterized in that, The utility model provides box (1), be equipped with first pull rod (2) and second pull rod (3) on box (1) can slide to each other, be equipped with unlocking assembly (4) and first locking piece (5) on first pull rod (2), first locking piece (5) includes first locking block (51) and first slope (52), first locking block (51) is used for the locking of first pull rod (2) relative second pull rod (3) after extension, unlocking assembly (4) includes button (41), transmission part (42) and first unlocking piece (43), button (41) is connected with transmission part (42), be equipped with second slope (431) for pushing first locking block (51) on first unlocking piece (43), first slope (52) and second slope (431) cooperate, in the unlocking state of first pull rod (2), transmission part (42) and first unlocking piece (43) are pasted.

2. The telescopic locking structure of a luggage trolley handle according to claim 1, characterized in that: The first pull rod (2) is provided with a first fixed sleeve (21), and the first unlocking piece (43) and the first locking piece (5) are both arranged on the first fixed sleeve (21); the first unlocking piece (43) is provided with a first protrusion (432), and the first fixed sleeve (21) is provided with a first limiting surface (211) for blocking the first protrusion (432); in the locked state of the first pull rod (2), the first protrusion (432) is pasted with the first limiting surface (211).

3. The telescopic locking structure of a luggage trolley handle according to claim 2, characterized in that: The first fixed sleeve (21) is located at the bottom of the first pull rod (2), and part of the first fixed sleeve (21) protrudes from the outer surface of the first pull rod (2); the top of the second pull rod (3) is provided with a first blocking ring (31), and the first blocking ring (31) is located between the first pull rod (2) and the second pull rod (3); in the state that the first pull rod (2) is extended in place, the first fixed sleeve (21) is pasted with the first blocking ring (31).

4. The telescopic locking structure of a luggage trolley handle according to claim 1, characterized in that: The top of the first pull rod (2) is provided with a pull rod handle (6), the upper end of the first pull rod (2) is connected with the pull rod handle (6), and the lower end of the first pull rod (2) is arranged on the second pull rod (3); the button (41) is arranged on the pull rod handle (6), and the transmission part (42) is arranged in the first pull rod (2).

5. The telescopic locking structure of a luggage handle according to claim 1, characterized in that: The box (1) is further provided with a third pull rod (7), the third pull rod (7) is connected with the box (1), and the second pull rod (3) is arranged on the third pull rod (7).

6. The telescopic locking structure of a luggage trolley handle according to claim 5, characterized in that: The second pull rod (3) is provided with a second locking piece (8) and a second unlocking piece (9), the second locking piece (8) includes a second locking block (81) and a third slope (82), and the second locking block (81) is used for locking the second pull rod (3) relative to the third pull rod (7) after extension; the second unlocking piece (9) is provided with a fourth slope (91) for pushing the second locking block (81), and the third slope (82) and the fourth slope (91) cooperate.

7. The telescopic locking structure of a luggage handle according to claim 6, characterized in that: The second pull rod (3) is internally provided with a second fixing sleeve (32), the second unlocking member (9) and the second locking member (8) are both arranged on the second fixing sleeve (32); the second unlocking member (9) is provided with a second protruding block (92), the second fixing sleeve (32) is provided with a second limiting surface (321) for blocking the second protruding block (92), and the second protruding block (92) is attached to the second limiting surface (321) in the locked state of the second pull rod (3).

8. The telescopic locking structure of a luggage trolley handle according to claim 7, characterized in that: The second fixing sleeve (32) is located at the bottom of the second pull rod (3), part of the second fixing sleeve (32) protrudes from the outer surface of the second pull rod (3), the top of the third pull rod (7) is provided with a second blocking ring (71), the second blocking ring (71) is located between the third pull rod (7) and the second pull rod (3), and the second fixing sleeve (32) is attached to the second blocking ring (71) in the state that the second pull rod (3) is extended to the position.

9. The telescopic locking structure of a luggage trolley handle according to claim 6, characterized in that: The third pull rod (7) is provided with two first through holes (72), the first through holes (72) are matched with the first locking block (51); the second pull rod (3) is provided with at least two second through holes (33), the second through holes (33) are matched with the first locking block (51); the second pull rod (3) is provided with a handle (10); the third pull rod (7) is further provided with a third through hole (73), and the third through hole (73) is matched with the second locking block (81).

10. A stroller duffel bag, characterized by, The luggage pull rod telescopic locking structure comprises a luggage pull rod (1) and a handle (10), wherein the handle (10) is arranged on the luggage pull rod (1), the luggage pull rod (1) is provided with a first locking block (51), the handle (10) is provided with a second locking block (81), the first locking block (51) is matched with a first through hole (72) of a third pull rod (7), the second locking block (81) is matched with a second through hole (33) of a second pull rod (3), and the third pull rod (7) is arranged between the second pull rod (3) and the handle (10).

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