Draw-bar box capable of adjusting angle of draw bar

Abstract

The utility model discloses a draw-bar box capable of adjusting the angle of a draw bar, which relates to the technical field of draw bars of draw-bar boxes and comprises a pulling box and a pulling plate fixedly mounted at the lower end of the pulling box, a rotating wheel is arranged at the lower end of the pulling plate, a fixing column is fixedly installed above the left end of the pulling plate, a circular ring is rotatably installed at the upper end of the fixing column, an angle rotation adjusting mechanism is arranged at the left end of the pulling plate, and a guide rod is fixedly installed at the left end of a rotating shaft. The utility model discloses a draw-bar box with an adjustable draw bar angle. A user holds the connecting handle, the rotating shaft drives the guide rod to rotate, the guide rod and the guide wheel are matched to rotate, 360-degree adjustment of the draw bar of the draw-bar box can be achieved, meanwhile, the guide rod extrudes the guide wheel, the guide wheel further extrudes the fixing spring, and the draw bar of the draw-bar box can be adjusted by 90 degrees. The personalized requirements of different users are greatly met through adjustment and rotation, the use requirements of the users in different scenes are met, and the use comfort and convenience of the draw-bar box are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to trolley case trolley technical field, concretely is a trolley case of adjustable trolley angle. BACKGROUND

[0002] Under the fast-paced life and frequent travel demand nowadays, the trolley case has become the important partner indispensable in people's journey, however, the existing trolley case trolley has some significant problems in the use process, which brings many inconvenience and trouble to people's travel.

[0003] The traditional trolley case trolley angle adjustment mode is very limited, usually only a few fixed gears can be selected, cannot realize continuous, smooth angle adjustment, which leads to the difficulty of users to find the trolley angle completely meeting their own needs in actual use, affects the comfort and convenience of pulling, the fixed gear adjustment mode leads to the performance decline of the trolley in the face of different use scenarios, brings unnecessary trouble and annoyance, the rotation operation is not smooth enough, in the occasion needing to change direction quickly, such as avoiding pedestrians or obstacles in the narrow passageway, or in the dense flow of people in the station, the turning response of the trolley case is slow, which brings great inconvenience to the users, and even may cause collision and dispute.

[0004] Such as the announcement number for CN214340663U's adjustable angle trolley, including box, trolley body and connecting rod, the box built-in storage cavity, the box bottom end sets up universal wheel, the box right side sets up fixed block, the fixed block top sets up through slot, the through slot bottom left side rotatory sets up rotating wheel, the rotating side wall sets up adjusting rod, the through slot left and right two sides wall is arc-shaped and sets up a plurality of sets of limit slot respectively, the adjusting rod top sets up adjusting groove, the connecting rod bottom end stretches into adjusting groove and in adjusting groove groove bottom rotatory connection, through the rotatory connecting rod, it is convenient to drive the movement of the limit rod, thereby it is convenient to adjust the angle of the adjusting rod, thereby it is convenient to adjust the angle of the trolley body. Through the setting of thread nail, connecting rod and positioning groove, it is convenient to adjust the height of the trolley body and connecting rod whole.

[0005] The above-mentioned adjustable angle trolley cannot realize continuous, smooth angle adjustment in use, the rotation operation is not smooth enough, but there are other problems in it, such as the poor performance of the existing trolley case trolley in the shock absorption, when the trolley case moves on the bumpy road, the strong vibration will be transmitted to the hand of the user without buffer, the long-time vibration stimulation not only can make the hand numb and painful, but also can cause the damage of the hand nerve and muscle. UTILITY MODEL CONTENTS

[0006] The utility model discloses a purpose at providing a kind of pull rod angle adjustable pull rod case, to solve the problem that the pull rod angle of pull rod case is limited in the background art, and the strong vibration is transmitted to the hand of user without buffer when pull rod case moves on the road of jolt.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of pull rod angle adjustable pull rod case, including pull box and the pull board of pull box lower end fixed installation;

[0008] The lower end of the pull board is provided with rotating wheels, and the rotating wheels at the lower end of the pull board are symmetrically distributed in four, a fixed column is fixedly installed above the left end of the pull board, a circular ring is rotatably installed on the upper end of the fixed column, and a rotating shaft is rotatably installed inside the circular ring, an angle rotation adjusting mechanism is arranged on the left end of the pull board, a guide rod is fixedly installed on the left end of the rotating shaft, the guide rod is distributed in two with the fixed column as the center of symmetry, and a contact ball is arranged on the outside of the guide rod.

[0009] A connecting handle is arranged above the left end of the pull board, a connecting rod is fixedly installed at the lower end of the connecting handle, the connecting rod is distributed in two with the connecting handle as the center of symmetry, a fixed plate is nestedly installed at the lower end of the connecting rod, and a hand buffer mechanism is arranged on the left end of the pull board.

[0010] Further, the angle rotation adjusting mechanism includes a guide wheel installed on the outside of the guide rod, a fixed spring is fixedly installed at the lower end of the guide wheel, the fixed springs are uniformly distributed in four with the fixed column as the center of rotation, and the lower end of the fixed spring is fixedly installed on the left side of the upper end of the pull board.

[0011] Further, an adjusting column is fixedly installed on the left end of the rotating shaft, the adjusting columns are distributed in two with the fixed column as the center of symmetry, the adjusting column is installed on the inside of the guide rod, and the adjusting column is installed at the lower end of the fixed plate.

[0012] Further, the hand buffer mechanism includes a buffer column installed through the middle of the fixed plate, a first buffer spring is installed on the upper end of the outside of the buffer column, and the lower end of the first buffer spring is installed on the upper end of the fixed plate.

[0013] Further, a buffer cylinder is rotatably installed on the upper end of the buffer column, the buffer cylinders are distributed in two with the fixed plate as the center of symmetry, and buffer oil is arranged inside the buffer cylinder.

[0014] Further, a buffer rod is rotatably installed through the buffer cylinder, a buffer plug is arranged inside the buffer cylinder, and the right end of the buffer rod is fixedly installed on the left end of the buffer plug.

[0015] Further, the buffer plug is provided with flow guide holes, and the flow guide holes on the buffer plug are uniformly distributed in four around the buffer cylinder as the rotation center, and the buffer plug is installed at the left end of the second buffer spring.

[0016] Compared with the prior art, the adjustable pull rod angle pull rod box has the beneficial effects that:

[0017] 1, the user holds the connecting handle, when the connecting handle rotates, the adjusting column drives the rotating shaft to rotate, the rotating shaft drives the ring rotatingly installed on the fixed column, and the rotating shaft drives the guide rod to rotate, the guide rod rotates in cooperation with the guide wheel, so that the 360-degree adjustment of the pull rod of the pull rod box can be realized, at the same time, when the connecting handle moves left and right, the guide rod extrudes the guide wheel, and the guide wheel extrudes the fixed spring, so that the 90-degree adjustment of the pull rod of the pull rod box can be realized, the adjustment and rotation greatly meet the individual needs of different users, meet the use requirements of users in different scenes, and improve the comfort and convenience of the use of the pull rod box.

[0018] Further, whether the user is tall or short, the uncomfortable posture caused by the improper angle of the pull rod, such as bending over and stretching arms, can be avoided, the fatigue of the body is greatly reduced, the physical fatigue and discomfort caused by improper posture during long travel are significantly reduced, in various complex and changeable use scenes, the user can easily and flexibly adjust the angle and direction of the pull rod, the control of the pull rod box is more handy, and the convenience and efficiency of travel are greatly improved.

[0019] Further, the flexible rotation and angle adjustment function not only improves the maneuverability and adaptability of the pull rod box, but also enhances the passing ability of the pull rod box in crowded and complex environments, in a station with a large number of people, a narrow and winding street or a limited space of a traffic tool, the pull rod box can quickly and smoothly change the direction and route, avoid collision and friction with surrounding people and objects, thereby reducing unnecessary troubles and potential safety hazards.

[0020] 2, the pulling plate at the lower end of the pull rod generates vibration during the pulling process of the pull rod, the fixed plate extrudes the first buffer spring, the first buffer spring in turn extrudes the buffer column to buffer, the buffer column pushes the buffer cylinders on both sides, the buffer cylinders buffer through the buffer rods rotatingly installed at both ends of the connecting rod, the buffer rods push the buffer plug at the right end to move, the flow guide holes on the buffer plug buffer through the buffer oil in the buffer cylinder, and the vibration energy generated during the movement of the pull rod box is effectively absorbed and reduced.

[0021] Further, the impact of vibration on the hand is significantly reduced, so that the user is no longer troubled by numbness and pain of the hand during pulling, and the good shock absorption performance enhances the control stability of the user on the trolley case, so that the hand can keep stable control on the pull rod even when pulling on uneven ground, the accidental hand-off or out-of-control caused by vibration is avoided, and the safety of travel is improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a front view of the utility model;

[0023] Figure 2 It is a front view of the utility model;

[0024] Figure 3 It is a front view of the utility model;

[0025] Figure 4 It is a front view of the utility model;

[0026] Figure 5 It is a front view of the utility model;

[0027] Figure 6 It is a front view of the utility model.

[0028] In the drawing: 1, pull box; 2, pull plate; 3, fixed column; 4, ring; 5, rotating shaft; 6, guide rod; 7, connecting handle; 8, connecting rod; 9, fixed plate; 10, buffer rod; 11, guide wheel; 12, fixed spring; 13, adjusting column; 14, buffer column; 15, first buffer spring; 16, buffer cylinder; 17, buffer plug; 18, second buffer spring. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] Please refer to Figures 1-6 The utility model provides the following technical scheme: a trolley case capable of adjusting the angle of a pull rod, comprising a pull box 1, a pull plate 2, a fixed column 3, a ring 4, a rotating shaft 5, a guide rod 6, a connecting handle 7, a connecting rod 8, a fixed plate 9, a buffer rod 10, a guide wheel 11, a fixed spring 12, an adjusting column 13, a buffer column 14, a first buffer spring 15, a buffer cylinder 16, a buffer plug 17 and a second buffer spring 18.

[0031] The pulling box 1 and the pulling plate 2 fixedly installed at the lower end of the pulling box 1 are included;

[0032] The rotating wheels are arranged at the lower end of the pulling plate 2, and the rotating wheels at the lower end of the pulling plate 2 are symmetrically distributed in four, the fixed column 3 is fixedly installed above the left end of the pulling plate 2, the circular ring 4 is rotatably installed at the upper end of the fixed column 3, the rotating shaft 5 is rotatably installed inside the circular ring 4, the angle rotation adjusting mechanism is arranged at the left end of the pulling plate 2, the guide rod 6 is fixedly installed at the left end of the rotating shaft 5, the guide rod 6 is distributed in two with the fixed column 3 as the symmetric center, and the contact ball is arranged outside the guide rod 6;

[0033] The connecting handle 7 is arranged above the left end of the pulling plate 2, the connecting rod 8 is fixedly installed at the lower end of the connecting handle 7, the connecting rod 8 is distributed in two with the connecting handle 7 as the symmetric center, the fixed plate 9 is nestedly installed at the lower end of the connecting rod 8, the hand buffering mechanism is arranged at the left end of the pulling plate 2, the buffering rod 10 is rotatably installed inside the connecting rod 8, and the buffering rod 10 is distributed in two with the fixed column 3 as the symmetric center.

[0034] The angle rotation adjusting mechanism includes the guide wheel 11 installed outside the guide rod 6, the fixed spring 12 is fixedly installed at the lower end of the guide wheel 11, the fixed spring 12 is uniformly distributed in four with the fixed column 3 as the rotation center, and the fixed spring 12 is fixedly installed at the left side of the upper end of the pulling plate 2. The adjusting column 13 is fixedly installed at the left end of the rotating shaft 5, the adjusting column 13 is distributed in two with the fixed column 3 as the symmetric center, the adjusting column 13 is installed inside the guide rod 6, and the adjusting column 13 is installed at the lower end of the fixed plate 9.

[0035] The user holds the connecting handle 7, when the connecting handle 7 rotates, the connecting rod 8 is driven to rotate, the connecting rod 8 further drives the fixed plate 9 to rotate, the fixed plate 9 drives the adjusting column 13 to rotate, the adjusting column 13 drives the rotating shaft 5 to rotate, the rotating shaft 5 drives the circular ring 4 rotatably installed on the fixed column 3, at the same time, the rotating shaft 5 drives the guide rod 6 to rotate, the guide rod 6 rotates in cooperation with the guide wheel 11, so that the pulling rod of the pulling box can be adjusted by 360 degrees; when the connecting handle 7 moves left and right, the connecting rod 8 is driven to move, the connecting rod 8 drives the fixed plate 9 to move, the fixed plate 9 drives the adjusting column 13 to move, the adjusting column 13 drives the guide rod 6 on the rotating shaft 5 to move, the guide rod 6 presses the guide wheel 11, the guide wheel 11 further presses the fixed spring 12, and the pulling rod of the pulling box can be adjusted by 90 degrees through this mode.

[0036] The hand buffering mechanism comprises a buffering column 14 penetratingly installed in the middle of the fixed plate 9, a first buffering spring 15 installed on the outer side of the upper end of the buffering column 14, and the lower end of the first buffering spring 15 is installed on the upper end of the fixed plate 9.

[0037] The buffering cylinder 16 is rotatably penetratingly installed with a buffering rod 10, the buffering cylinder 16 is internally provided with a buffering plug 17, and the right end of the buffering rod 10 is fixedly installed on the left end of the buffering plug 17. The buffering plug 17 is provided with flow guide holes, and the flow guide holes on the buffering plug 17 are uniformly distributed in four around the buffering cylinder 16 as the rotation center, and the left end of the buffering plug 17 is installed on a second buffering spring 18.

[0038] When the pull rod pulls the trolley case, the pulling plate 2 at the lower end of the case 1 generates vibration during the pulling process of the pull rod, the vibration is transmitted upwards, and the vibration is shown by the movement of the fixed plate 9, the fixed plate 9 extrudes the first buffering spring 15, the first buffering spring 15 further extrudes the buffering column 14 to buffer, the buffering column 14 pushes the buffering cylinders 16 on both sides, the buffering cylinders 16 buffer by means of the buffering rod 10 rotatably installed at both ends of the connecting rod 8, the buffering rod 10 pushes the buffering plug 17 at the right end to move, the flow guide holes on the buffering plug 17 buffer by means of the buffering oil in the buffering cylinder 16, and meanwhile, the buffering plug 17 extrudes the second buffering spring 18 for further buffering.

[0039] In the description of the utility model, it needs to be explained that, unless there is definite stipulation and limitation, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, also can be detachably connected, or integrally connected, it can be mechanically connected, also can be electrically connected, it can be directly connected, also can be indirectly connected through intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0040] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A pull rod angle-adjustable trolley case, comprising a pulling case (1) and a pulling plate (2) fixedly installed at the lower end of the pulling case (1); characterized in that The lower end of the pulling plate (2) is provided with rotating wheels, and the rotating wheels at the lower end of the pulling plate (2) are symmetrically distributed in four, the left end of the pulling plate (2) is fixedly provided with a fixed column (3), the upper end of the fixed column (3) is rotatably provided with a circular ring (4), and the inside of the circular ring (4) is rotatably provided with a rotating shaft (5), the left end of the pulling plate (2) is provided with an angle rotation adjusting mechanism, the left end of the rotating shaft (5) is fixedly provided with a guide rod (6), the guide rod (6) is symmetrically distributed about the fixed column (3), and the outer side of the guide rod (6) is provided with a contact ball. The left end of the pulling plate (2) is provided with a connecting handle (7), the lower end of the connecting handle (7) is fixedly provided with a connecting rod (8), the connecting rod (8) is symmetrically distributed about the connecting handle (7), the lower end of the connecting rod (8) is nestedly provided with a fixed plate (9), the left end of the pulling plate (2) is provided with a hand buffer mechanism, the middle inner side of the connecting rod (8) is rotatably provided with a buffer rod (10), and the buffer rod (10) is symmetrically distributed about the fixed column (3).

2. The adjustable handle angle trolley case of claim 1, wherein: The angle rotation adjusting mechanism comprises a guide wheel (11) installed on the outer side of the guide rod (6), the lower end of the guide wheel (11) is fixedly provided with a fixed spring (12), the fixed spring (12) is uniformly distributed about the fixed column (3), and the lower end of the fixed spring (12) is fixedly installed on the left side of the upper end of the pulling plate (2).

3. The adjustable handle angle trolley case of claim 2, wherein: The left end of the rotating shaft (5) is fixedly provided with an adjusting column (13), the adjusting column (13) is symmetrically distributed about the fixed column (3), the adjusting column (13) is installed on the inner side of the guide rod (6), and the adjusting column (13) is installed on the lower end of the fixed plate (9).

4. The adjustable handle angle trolley case of claim 3, wherein: The hand buffer mechanism comprises a buffer column (14) penetratingly installed in the middle of the fixed plate (9), a first buffer spring (15) is installed on the upper end of the outer side of the buffer column (14), and the lower end of the first buffer spring (15) is installed on the upper end of the fixed plate (9).

5. The adjustable handle angle trolley case of claim 4, wherein: The upper end of the buffer column (14) is rotatably provided with a buffer cylinder (16), the buffer cylinder (16) is symmetrically distributed about the fixed plate (9), and the buffer cylinder (16) is internally provided with buffer oil.

6. The adjustable handle angle trolley case of claim 5, wherein: The buffer cylinder (16) is rotatably penetratingly installed with a buffer rod (10), the buffer cylinder (16) is internally provided with a buffer plug (17), and the right end of the buffer rod (10) is fixedly installed on the left end of the buffer plug (17).

7. The adjustable handle angle trolley case of claim 6, wherein: The buffer plug (17) is provided with a flow guide hole, the flow guide holes on the buffer plug (17) are uniformly distributed about the buffer cylinder (16), and the left end of the buffer plug (17) is installed on a second buffer spring (18).

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