Manual draw-bar box

Abstract

The utility model discloses a manual draw-bar box, which comprises a front box body, a rear box body, a draw bar, moving wheels, a front baffle plate and a positioning device for positioning and fixing the front baffle plate moving to the upper end of the front box body, the front baffle plate is movably arranged on the front surface of the front box body, and the front baffle plate can longitudinally move up and down or overturn up and down relative to the front box body; when the front baffle moves to the upper end of the front box body, the upper end of the front baffle is higher than the top face of the front box body, and the front baffle and the front box body can be positioned through the positioning device. According to the draw-bar box, the front baffle can be manually achieved, when a child sits on the draw-bar box, the front baffle can serve as a backrest and can achieve front-back limiting together with the draw bar, the child is prevented from falling off from the upper portion of the draw-bar box, the sitting safety of the child is guaranteed, in addition, a user can place articles carried by the user on the upper portion of the draw-bar box and block the articles through the front baffle, and the safety of the child is guaranteed. Operation is convenient and fast, travel fatigue can be relieved, time and labor are saved, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of trolley cases, and more specifically to a manual trolley case. Background Art

[0002] As people travel more and more frequently, trolley cases have become popular as a type of case used to carry personal belongings when traveling. For some items that are frequently used during travel, in order to facilitate taking and placing, they are often put in a handbag or held directly in the hand. Placing the handbag or items on the top of the suitcase can allow them to move with the suitcase, which is more labor-saving. However, the trolley case generally shakes and bumps during the pulling process, causing the handbag or items placed on the top surface to easily fall off, making it very inconvenient to use. In addition, common trolley cases often do not have the function of children riding. When children sit on top of traditional trolley cases, it is difficult for children to maintain their balance and they may fall backwards, posing a safety hazard.

[0003] For example, patent publication number CN204682826U discloses a luggage box with a child seat, including wheels, a box body, a pull rod, and a seat mounted on the box body, wherein the seat includes a seat portion, a first baffle portion, a second baffle portion, and a backrest portion respectively connected to the seat portion, wherein the seat portion is placed on the box body, the first baffle portion and the second baffle portion are opposite surfaces, the backrest portion is fixed on the pull rod, and the backrest portion is provided with a safety belt. The patent provides a foldable seat structure with a simple structure. When a child sits on the seat, the seat does not have a protective structure on the front, nor does it have a structure that enables the child to grasp and maintain balance. During the movement of the box body, the child may slide down from the gap between the seat and the safety belt, posing a risk of sliding. In addition, when items are placed on the seat, small items are prone to falling because there is no enclosure structure on the front. Utility Model Content

[0004] The purpose of the utility model is to overcome the above-mentioned defects in the prior art and to provide a manual trolley case which is easy to use, can manually lift the front baffle, provides a riding function for children and facilitates placing items on the trolley case.

[0005] To achieve the above-mentioned purpose, the utility model provides a manual trolley case, comprising a front box body, a rear box body, a pull rod and movable wheels, the front box body being rotatably connected to the rear box body, a accommodating cavity being formed between the front box body and the rear box body, the pull rod being telescopically arranged on the back of the rear box body, the movable wheels being respectively arranged at the four corners of the bottom of the front box body and the rear box body, and also comprising a front baffle and a positioning device for positioning and fixing the front baffle moved to the upper end of the front box body, the front baffle being movably mounted on the front side of the front box body, the front baffle being able to move vertically or flip up and down relative to the front box body, and when the front baffle moves to the upper end of the front box body, the height of the upper end portion of the front baffle is higher than the top surface of the front box body, and the positioning device is able to position the front baffle and the front box body.

[0006] Preferably, the front baffle is flip-connected to the front box body through rotating parts located on both sides thereof, and the rotating parts include a rotating connecting rod, a first rotating connecting rod and a second rotating connecting rod. One end of the rotating connecting rod is hinged to the front box body through the first rotating connecting rod, and the other end of the rotating connecting rod is hinged to the front baffle through the second rotating connecting rod.

[0007] Preferably, the positioning device includes a knob and a positioning lock hook, the knob is connected to the positioning lock hook, the positioning lock hook is rotatably set on the back side of the front baffle, and the knob is rotatably set on the front side of the front baffle through the positioning lock hook. The positioning lock hook is L-shaped, and a lock hook hole is provided on the front side of the front box body. When the front baffle is flipped and moved to the upper end of the front box body through the rotating part, the positioning lock hook can pass through the lock hook hole to be rotationally engaged with the front box body.

[0008] Preferably, a guide limit column is provided on the back side of the front baffle, and a longitudinally arranged sliding hole is provided on the front side of the front box body. One end of the guide limit column is inserted into the sliding hole and connected to the guide limit block, and the guide limit column can move up and down in the sliding hole.

[0009] Preferably, the cross-sectional shape of the front baffle is set to be a U-shape, and the upper end portion of the front baffle extending out of the top surface of the front box body can form a semi-enclosed structure on the front side of the front box body.

[0010] The lockhole that is formed on the two ends of the slidable plate is formed on the two ends of the slidable plate, and the two ends of the slidable plate are locked. The two ends are respectively provided with screw holes, and the limit bolts pass through the strip holes from the inner side of the front baffle and are threadedly connected with the corresponding screw holes, and the limit ends of the limit bolts are slidably connected with the inner side walls of the corresponding strip holes, and the upper and lower ends in the middle of the two side walls of the front box body are respectively penetrated by a first positioning hole and a second positioning hole, and the two side outer walls of the front box body are respectively longitudinally and parallelly installed with two guide rails, and a sliding groove is formed between the two guide rails, the first positioning hole and the second positioning hole are respectively located in the middle of the sliding groove, and the sliding seat can be slidably connected with the corresponding sliding groove, and the front baffle can move up and down in the sliding hole through the guide limit column. When the front baffle moves from the second positioning hole position to the first positioning hole position, pushing the push button upwards can make the positioning pins on both sides insert into the corresponding first positioning holes, thereby realizing the positioning and fixing of the front baffle on the upper end of the front box body.

[0011] Preferably, the front top edge of the front baffle protrudes upward and is arranged in an arc shape.

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

[0013] The utility model has a simple structure and reasonable design. The front baffle can be moved vertically or flipped up and down relative to the front box body. The user can manually move the front baffle to the upper end of the front box body. At this time, the upper end of the front baffle is higher than the top surface of the front box body. The positioning device can position the front baffle and the front box body. When children sit on the seat, the front baffle can be used as a backrest and can also achieve front and rear limit together with the pull rod to prevent children from falling from the top of the pull rod case, thereby ensuring the safety of children sitting. In addition, the user can also place carry-on items on the top of the pull rod case and block them with the front baffle. The utility model is convenient and quick to operate, can reduce travel fatigue, save time and effort, and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 This is a structural schematic diagram of a manual trolley case provided by the first embodiment of the utility model;

[0016] Figure 2 This is an exploded schematic diagram of a manual trolley case provided in the first embodiment of the present utility model;

[0017] Figure 3 This is a schematic structural diagram of a rotating part of a manual trolley case provided in the first embodiment of the utility model;

[0018] Figure 4 This is a schematic diagram of the operation of a manual trolley case provided in the first embodiment of the utility model. Figure 1 ;

[0019] Figure 5 This is a schematic diagram of the operation of a manual trolley case provided in the first embodiment of the utility model. Figure 2 ;

[0020] Figure 6 This is a schematic diagram of the working interior of a manual trolley case provided in the first embodiment of the utility model;

[0021] Figure 7 This is a schematic diagram of the operation of a manual trolley case provided in the first embodiment of the utility model. Figure 3 ;

[0022] Figure 8 This is a structural schematic diagram of a manual trolley case provided by the second embodiment of the utility model;

[0023] Fig. 9 This is an exploded schematic diagram of a manual trolley case provided in the second embodiment of the present utility model;

[0024] Fig.10 This is a schematic diagram of the interior of a front box body of a manual trolley case provided in the second embodiment of the present utility model;

[0025] Fig.11 This is an exploded schematic diagram of a sliding positioning member of a manual trolley case provided in the second embodiment of the utility model. Figure 1 ;

[0026] Fig.12This is an exploded schematic diagram of a sliding positioning member of a manual trolley case provided in the second embodiment of the utility model. Figure 2 ;

[0027] Fig.13 It is a partial exploded schematic diagram of a sliding positioning member of a manual trolley case provided in the second embodiment of the utility model;

[0028] Fig.14 This is a working schematic diagram of a manual trolley case provided in Embodiment 2 of the present utility model. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0030] Embodiment 1

[0031] Please refer to Figures 1 to 7 Embodiment 1 of the present invention provides a manual trolley case, including a front case body 1, a rear case body 2, a trolley 3, a moving wheel 4, a front baffle 5, and a positioning device 6 for positioning and fixing the front baffle 5 moved to the upper end of the front case body 1. The various components of embodiment 1 are described in detail below in conjunction with the accompanying drawings.

[0032] The front box body 1 can be rotatably connected to the rear box body 2, and a accommodating cavity 10 is formed between the front box body 1 and the rear box body 2. The pull rod 3 is telescopically arranged on the back of the rear box body 2, and the moving wheels 4 are respectively arranged at the four corners of the bottom of the front box body 1 and the rear box body 2.

[0033] Among them, the front box body 1 can be connected to the rear box body 2 by a rotating lock through a connecting piece to realize opening or locking the box. The connecting piece can be set to any matching zipper and zipper combination lock on the market, or any box frame and corresponding lock buckle. This embodiment does not limit the rotating connection structure between the front box body 1 and the rear box body 2.

[0034] Preferably, the front baffle 5 can be movably installed on the front side of the front box body 1, and the front baffle 5 can be flipped up and down relative to the front box body 1. When the front baffle 5 moves to the upper end of the front box body 1, the height of the upper end of the front baffle 5 is higher than the top surface of the front box body 1, and the positioning device 6 can position the front baffle 5 and the front box body 1.

[0035] In a specific implementation, the cross-sectional shape of the front baffle 5 can be set to be a U-shaped shape, and the upper end portion of the front baffle 5 extending out of the top surface of the front box body 1 can form a semi-enclosed structure on the front side of the front box body 1 .

[0036] Preferably, the front top edge of the front baffle 5 may protrude upward and be arranged in an arc shape.

[0037] like Figure 2 As shown, in the first embodiment, the front baffle 5 can be flipped and connected to the front box body 1 through rotating parts located on both sides thereof, and the rotating parts include a rotating connecting rod 71, a first rotating connecting rod 72 and a second rotating connecting rod 73. One end of the rotating connecting rod 71 is hinged to the front box body 1 through the first rotating connecting rod 72, and the other end of the rotating connecting rod 71 is hinged to the front baffle 5 through the second rotating connecting rod 73.

[0038] like Figure 3 and Figure 6 As shown, further, the positioning device 6 may include a knob 74 and a positioning lock hook 75, the knob 74 is connected to the positioning lock hook 75, the positioning lock hook 75 is rotatably set on the back side of the front baffle 5, the knob 74 is rotatably set on the front side of the front baffle 5 through the positioning lock hook 75, the positioning lock hook 75 is L-shaped, and a lock hook hole 11 is provided on the front side of the front box body 1. When the front baffle 5 is flipped and moved to the upper end of the front box body 1 through the rotating part, the positioning lock hook 75 can pass through the lock hook hole 11 and be rotationally engaged with the front box body 1.

[0039] In order to facilitate the human hand to fit the knob 74 for rotation, the outer wall of the knob 74 can be evenly recessed to form a plurality of arc-shaped grooves for holding and rotating.

[0040] The working principle of the first embodiment is as follows:

[0041] like Figures 4 to 7 As shown, when the front baffle needs to be used, first manually flip the front baffle forward and upward by rotating the connecting rod, and the front baffle can be moved from the middle of the front box body to the upper end of the front box body by rotating the connecting rod 180 degrees. When the inner wall of the front baffle contacts the upper end of the front box body, the positioning lock hook can be inserted into the lock hook hole, and then the positioning lock hook is driven to rotate by manually rotating the knob clockwise or counterclockwise, so that the shaft of the positioning lock hook is engaged with the front box body, thereby realizing the positioning and fixing of the front baffle at the upper end of the front box body;

[0042] When the front baffle is not in use, first turn the knob in the opposite direction to restore the positioning lock hook to the vertical state, and then flip the front baffle from the upper end of the front box body to the middle of the front box body by rotating the connecting rod to return the front baffle to its original position. The knob can also be turned again to engage the positioning lock hook with the front box body to ensure that the front baffle does not shake up and down during the movement of the trolley case.

[0043] Embodiment 2

[0044] Please refer to Figures 8 to 14 The second embodiment of the present invention provides another manual trolley case, which is different from the first embodiment in that the front baffle 5 can move vertically relative to the front box body 1, and the positioning device 6 has a different structure from the positioning device 6 of the first embodiment.

[0045] like Fig. 9 As shown, in the second embodiment, a guide limit column 91 can be provided on the back side of the front baffle 5, and a longitudinally arranged sliding hole 12 is provided on the front side of the front box body 1. One end of the guide limit column 91 is inserted into the sliding hole 12 and connected to the guide limit block 92. The guide limit column 91 can move up and down in the sliding hole 12.

[0046] like Figures 10 to 13 As shown, further, the positioning device 6 can also include two push buttons 81, two guide rails 82, two sliding seats 83, two limit bolts 84, two positioning pins 85, and two return springs 86. Push button grooves 51 are respectively provided on the outer walls of both sides of the front baffle 5, and strip holes 52 are respectively provided in the middle of the push button grooves 51 in the longitudinal direction. The push buttons 81 are respectively movably installed in the push button grooves 51 and are slidably connected with the corresponding strip holes 52. The sliding seats 83 are respectively fixedly arranged on the inner walls of both sides of the front baffle 5, and through holes 831 are respectively provided on the sliding seats 83. One end of the positioning pin 85 is respectively inserted into the corresponding through hole 831. A limiting convex ring 851 is formed in the middle of each positioning pin 85. The return springs 86 are respectively sleeved on one end of the corresponding positioning pin 85 close to the through hole 831 and are located between the limiting convex ring 851 and the sliding seat 83, the other end of the positioning pin 85 is shaped as a wedge surface 852, the back of the push button 81 is formed with a wedge block 811 corresponding to the wedge surface 852, and screw holes 812 are respectively provided at both ends of the back of the push button 81. The limiting bolts 84 pass through the strip holes 52 from the inner side of the front baffle 5 and are threadedly connected with the corresponding screw holes 812, and the limiting ends of the limiting bolts 84 are slidably connected with the inner side walls of the corresponding strip holes 52. The upper and lower ends of the middle parts of the two side walls of the front box body 1 are respectively penetrated by the first positioning hole 13 and the second positioning hole 14. The outer walls of the two sides of the front box body 1 are respectively longitudinally and parallelly installed with two guide rails 82, and a sliding groove 821 is formed between the two guide rails 82. The first positioning hole 13 and the second positioning hole 14 are respectively located in the middle of the sliding groove 821, and the sliding seat 83 can be slidably connected with the corresponding sliding groove 821.

[0047] During specific implementation, the front baffle plate 5 can move up and down in the sliding hole 12 through the guide limit column 91. When the front baffle plate 5 moves from the position of the second positioning hole 14 to the position of the first positioning hole 13, pushing the push buttons 81 upwards respectively can enable the positioning pins 85 on both sides to be inserted into their respective corresponding first positioning holes 13, thereby positioning and fixing the front baffle plate 5 at the upper end of the front box body 1.

[0048] The working principle of the second embodiment is as follows:

[0049] like Figure 8 and Fig.14 As shown, when the push button is located at the lower end of the push button groove, the positioning pin can follow the front baffle to move up and down relative to the front box body under the drive of the sliding seat. When the front baffle needs to be used, the front baffle is manually moved upward along the guide rail direction until the guide limit column abuts against the upper end of the sliding hole and stops. Both hands push the push buttons on both sides of the front baffle upward respectively, so that the two inner positioning pins are respectively inserted into the first positioning holes on the two outer sides of the front box body, thereby realizing the positioning and fixing of the front baffle at the upper end of the front box body.

[0050] When the front baffle is not needed, both hands push the push buttons on both sides of the front baffle downward respectively, so that the two inner positioning pins are disengaged from the first positioning holes on the two outer sides of the front box body respectively, and then the front baffle is moved downward relative to the front box body until the guide limit column abuts against the lower end of the sliding hole and stops to achieve the return of the front baffle. Both hands can also push the push buttons upward again respectively, so that the two inner positioning pins are respectively inserted into the second positioning holes on the two outer sides of the front box body to ensure that the front baffle does not shake up and down during the movement of the trolley case.

[0051] When people travel, children can sit on the body of the trolley case and use the front baffle 5 as a backrest. The pull rod 3 can be pulled out so that the child's legs are located on both sides of the pull rod 3. The child can hold the body of the pull rod 3 to keep balance during the movement of the trolley case, thereby preventing the child from falling from the top of the trolley case and ensuring the child's riding safety. In addition, users can also place their handbags and items on the body of the trolley case and limit them with the front baffle 5 to prevent the items from falling or shifting during the movement of the trolley case.

[0052] To sum up, the front baffle of the utility model can be moved longitudinally up and down or flipped up and down relative to the front box body. The user can manually move the front baffle to the upper end of the front box body. At this time, the upper end of the front baffle is higher than the top surface of the front box body. The positioning device can position the front baffle and the front box body. When children ride, the front baffle can be used as a backrest, and can also achieve front and rear limit together with the pull rod to prevent children from falling from the top of the pull rod case, thereby ensuring the safety of children riding. In addition, users can also place carry-on items on the top of the pull rod case and block them with the front baffle. The utility model is easy and quick to operate, can reduce travel fatigue, save time and effort, and is highly practical.

[0053] The above embodiments are preferred implementation modes of the present invention, but the implementation modes of the present invention are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principle of the present invention should be equivalent replacement methods and are included in the protection scope of the present invention.

Claims

1. A manual trolley case, comprising a front case (1), a rear case (2), a trolley (3) and moving wheels (4), wherein the front case (1) is rotatably connected to the rear case (2), a receiving cavity (10) is formed between the front case (1) and the rear case (2), the trolley (3) is telescopically arranged on the back of the rear case (2), and the moving wheels (4) are respectively arranged at four corners of the bottom of the front case (1) and the rear case (2), characterized in that: It further includes a front baffle (5) and a positioning device (6) for positioning and fixing the front baffle (5) that moves to the upper end of the front box body (1). The front baffle (5) is movably installed on the front of the front box body (1). The front baffle (5) can move longitudinally up and down or flip up and down relative to the front box body (1). When the front baffle (5) moves to the upper end of the front box body (1), the height of the upper end part of the front baffle (5) is higher than the top surface of the front box body (1). The positioning device (6) can position the front baffle (5) and the front box body (1).

2. A manual trolley case according to claim 1, characterized in that: The front baffle (5) is flip-connected to the front box body (1) through rotating parts located on both sides thereof. The rotating parts include a rotating connecting rod (71), a first rotating connecting part (72), and a second rotating connecting part (73). One end of the rotating connecting rod (71) is hinged to the front box body (1) through the first rotating connecting part (72), and the other end of the rotating connecting rod (71) is hinged to the front baffle (5) through the second rotating connecting part (73).

3. A manual trolley case according to claim 2, characterized in that: The positioning device (6) includes a knob (74) and a positioning lock hook (75). The knob (74) is connected to the positioning lock hook (75). The positioning lock hook (75) is rotatably arranged on the back of the front baffle (5). The knob (74) is rotatably arranged on the front of the front baffle (5) through the positioning lock hook (75). The shape of the positioning lock hook (75) is L-shaped. A lock hook hole (11) is provided on the front of the front box body (1). When the front baffle (5) flips and moves to the upper end of the front box body (1) through the rotating parts, the positioning lock hook (75) can pass through the lock hook hole (11) and be rotationally clamped with the front box body (1).

4. The manual trolley case according to claim 1, characterized in that: A guiding and limiting column (91) is provided on the back of the front baffle (5). A longitudinally arranged sliding hole (12) is provided on the front of the front box body (1). One end of the guiding and limiting column (91) is inserted into the sliding hole (12) and then connected to a guiding and limiting block (92). The guiding and limiting column (91) can move up and down in the sliding hole (12).

5. The manual trolley case according to claim 1, characterized in that: The cross-sectional shape of the front baffle (5) is set in a U shape. The upper end part of the front baffle (5) extending out of the top surface of the front box body (1) can form a semi-surrounding structure on the front of the front box body (1).

6. A manual trolley case according to claim 5, characterized in that: The positioning device (6) comprises two push buttons (81), two guide rails (82), two sliding seats (83), two limit bolts (84), two positioning pins (85), and two return springs (86). Push button grooves (51) are respectively provided on the outer walls of both sides of the front baffle (5), and strip holes (52) are respectively provided in the middle of the push button grooves (51) in the longitudinal direction. The push buttons (81) are respectively movably installed in the push button grooves (51) and are slidably connected with the corresponding strip holes (52). The sliding seats (83) are respectively fixedly arranged on the inner walls of both sides of the front baffle (5), and the sliding seats (83) are respectively fixedly arranged on the inner walls of both sides of the front baffle (5). The positioning pins (85) are respectively provided with through holes (831), one end of each positioning pin (85) is respectively inserted into the corresponding through holes (831), a limiting convex ring (851) is formed in the middle of each positioning pin (85), the return spring (86) is respectively sleeved on one end of each corresponding positioning pin (85) close to the through hole (831) and located between the limiting convex ring (851) and the sliding seat (83), the other end of each positioning pin (85) is respectively shaped as a wedge surface (852), the back of each push button (81) is respectively formed with a wedge block (811) corresponding to the wedge surface (852), and the push button The two ends of the back side of the front baffle (81) are respectively provided with screw holes (812), the limiting bolts (84) are respectively passed through the strip holes (52) from the inner side of the front baffle (5) and are threadedly connected with the corresponding screw holes (812), the limiting ends of the limiting bolts (84) are slidably connected with the inner side walls of the corresponding strip holes (52), the upper and lower ends of the middle of the two side walls of the front box body (1) are respectively penetrated with a first positioning hole (13) and a second positioning hole (14), the two side outer walls of the front box body (1) are respectively longitudinally and parallelly installed with two guide rails (82), and a sliding groove (821) is formed between the two guide rails (82), The first positioning hole (13) and the second positioning hole (14) are respectively located in the middle of the sliding groove (821); the sliding seat (83) can be slidably connected with the corresponding sliding groove (821); the front baffle (5) can move up and down in the sliding hole (12) through the guide limit column (91); when the front baffle (5) moves from the position of the second positioning hole (14) to the position of the first positioning hole (13), the push buttons (81) are pushed upward respectively to enable the positioning pins (85) on both sides to be inserted into the corresponding first positioning holes (13), thereby realizing the positioning and fixing of the front baffle (5) at the upper end of the front box body (1).

7. The manual trolley case according to claim 5, characterized in that: The front top edge of the front baffle (5) protrudes upward and is arranged in an arc shape.

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