Luggage pull rod with steering compensation function
By controlling the rotation of the rollers through a drive motor and transmission gear system, combined with a concealed circular cloth belt, the problem of arm pain when turning the luggage handle on uneven roads and the cumbersome operation of the circular cloth belt are solved, achieving effortless steering and efficient use.
Patent Information
- Application Number
- CN202520789642.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-23
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-04-23
AI Technical Summary
When turning on uneven surfaces, the arm of the existing luggage handle experiences significant force, and the looped strap requires frequent installation, affecting efficiency.
Design a luggage handle with a drive motor and transmission gear system. The motor rotates the roller component by controlling the motor via a button. Combined with the auxiliary pulling device of the hidden ring-shaped fabric belt, it can achieve a steering compensation function, reducing the need for manpower and the operation steps of the ring-shaped fabric belt.
When turning on uneven surfaces, it reduces the strain on your arms and prevents arm pain. The circular fabric strip is hidden in the U-shaped groove, saving time and effort, reducing the need for frequent installation, and improving efficiency.
Smart Images

Figure CN223873433U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a bag pull rod technical field, especially a bag pull rod with steering compensation function. BACKGROUND
[0002] As people's daily travel commonly used items, with the increasing demand of people, now generally install universal wheel and pull rod on the bag, in order to the bag drag, more convenient to move the man power after the large goods and heavy goods packing, so as to facilitate people's daily travel.
[0003] For example, the authorized announcement number "CN216983949U" is named as a bag pull rod with steering compensation function, by setting annular cloth belt, U-shaped plate and bolt, when the bag is pulled by the bag pull rod body, first, according to the height of the user, adjust the length of annular cloth belt, then rotate the bolt to fix the annular cloth belt, then put the annular cloth belt on the user's shoulder, then the user pulls the bag through the bag pull rod body, the annular cloth belt makes the main weight of the bag bear on the user's shoulder, and when the bag turns, the user can also compensate the steering of the bag through the annular cloth belt during the steering process, so that the arm can steer the bag with smaller force.
[0004] The above and prior art have the following defects: on uneven road surface, when the universal wheel is not easy to turn, the arm will bear a lot of force when the bag pull rod turns, causing arm soreness; at the same time, the annular cloth belt does not set hidden device, and needs to be taken out and installed again every time, which is very time-consuming and laborious to operate, affecting the use efficiency. UTILITY MODEL CONTENTS
[0005] The utility model aims at solving the defects in the prior art and provides a bag pull rod with steering compensation function.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0007] The utility model designs a luggage pull rod with steering compensation function, which comprises a front box body and a rear box body, a pull rod is movably connected to the upper surface of the rear box body, mounting blocks are arranged on the lower surfaces of the front box body and the rear box body, a processor with a storage battery is arranged in the mounting block, a driving motor is arranged on the inner wall of the mounting block, a driving gear is connected to the output shaft of the driving motor, the driving gear is rotatably connected to the lower inner wall of the mounting block through a first rotating shaft, two second rotating shafts are rotatably connected to the upper inner wall of the mounting block, rotating gears are fixedly connected to the lower ends of the two second rotating shafts, the driving gear is in meshing transmission connection with the two rotating gears through a transmission gear, the two transmission gears are rotatably connected to the upper and lower inner walls of the mounting block through two third rotating shafts, connecting blocks are arranged on the lower surfaces of the two driving gears, rotating blocks are rotatably arranged in the connecting blocks, fixing devices are arranged on the side surfaces of the connecting blocks, roller members penetrating through the connecting blocks are arranged on the lower surfaces of the rotating blocks, an auxiliary pulling device is arranged on the side surface of the rear box body, left and right buttons are arranged on the upper surface of the pull rod, the left and right buttons, the fixing devices and the driving motor are electrically connected to the processor.
[0008] Preferably, the fixing device comprises a supporting block, two limiting columns are slidably connected to the supporting block, end blocks are arranged at one end of the two limiting columns, an iron block is arranged on the side surface of the supporting block close to the connecting block, a coil is arranged on the side surface of the connecting block close to the iron block, a supporting rod is arranged on the side surface of the iron block close to the connecting block, the supporting rod penetrates through the connecting block and is provided with an abutting block, reset springs are sleeved on the surfaces of the two limiting columns, one end of the reset spring is connected to the side surface of the supporting block, and the other end of the reset spring is connected to the side surface of the connecting block.
[0009] Preferably, the side surfaces of the abutting blocks close to the rotating blocks are provided with abutting grooves matched with the rotating blocks.
[0010] Preferably, the inner walls of the abutting grooves are provided with a plurality of anti-skid protrusions.
[0011] Preferably, the auxiliary pulling device comprises a U-shaped block, the U-shaped block is arranged on the side surface of the rear box body, a U-shaped groove is formed in the surface of the U-shaped block, an annular cloth belt is slidably connected to the inside of the U-shaped groove, a pulling block is arranged at the end of the annular cloth belt extending out of the U-shaped groove, a threaded hole is formed in the side surface of the U-shaped block, and a positioning block is threadedly connected to the threaded hole.
[0012] Preferably, the end of the annular cloth belt away from the pulling block is provided with an anti-dropping block.
[0013] The utility model provides a box and bag pull rod with steering compensation function has beneficial effect in at: when rotating to left side, through the left button of hand press pull rod left side, make rotation gear along to left side rotation, through the fixed effect of fixing device, make gyro wheel component to left rotation, when rotating to right side, same reason operation, set up the auxiliary pulling device, through the positioning block screwing loose after, make annular cloth belt be stretched out, pull to the height of user after, then the positioning block screwing tight, through the pulling annular cloth belt, can alleviate the pressure of arm, above all, when gyro wheel component is not easy to rotate on uneven road surface, the arm of this box and bag pull rod will not receive very big force when steering, avoid arm sore, simultaneously, the annular cloth belt sets up U shaped piece, through annular cloth belt hiding in U shaped groove, like this every time use does not need to take out again, carries out installation, it is very time -saving and labour -saving to operate, does not influence use efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the front view structure section view of the utility model;
[0015] Figure 2 It is the right view partial structure section view of the utility model;
[0016] Figure 3 It is the A position enlarged view of the utility model;
[0017] Figure 4 It is the B position enlarged view of the utility model;
[0018] Figure 5 It is the C position enlarged view of the utility model;
[0019] Figure 6 It is the D position enlarged view of the utility model;
[0020] Figure 7 It is the support rod and abutting block structure schematic view of the utility model.
[0021] In the drawing: front box body 1, rear box body 2, pull rod 3, mounting block 4, drive motor 5, drive gear 6, first rotation shaft 7, second rotation shaft 8, rotation gear 9, transmission gear 10, third rotation shaft 11, connecting block 12, rotation block 13, gyro wheel component 14, bearing block 15, limit post 16, end block 17, iron block 18, support rod 19, abutting block 20, return spring 21, abutting groove 22, antiskid boss 23, U shaped piece 24, U shaped groove 25, annular cloth belt 26, pull block 27, screw hole 28, positioning block 29, anti -drop block 30, coil 31. DETAILED DESCRIPTION
[0022] Clearly, the described embodiments are merely part of the embodiments of the present utility model, rather than all the embodiments.
[0023] Referring to Figures 1-7 A luggage pull rod with steering compensation function, including front box body 1 and rear box body 2, the upper surface of rear box body 2 is movably connected with pull rod 3, the lower surface of front box body 1 and rear box body 2 is equipped with mounting block 4, the inside of mounting block 4 is equipped with processor with battery, the inner wall of mounting block 4 is equipped with drive motor 5, the output shaft of drive motor 5 is connected with drive gear 6, drive gear 6 is rotatably connected with the lower inner wall of mounting block 4 through first rotating shaft 7, the inner wall of mounting block 4 is rotatably connected with two second rotating shafts 8, the lower end of two second rotating shafts 8 is fixedly connected with rotating gear 9, drive gear 6 is meshingly and drivingly connected with two rotating gears 9 through transmission gear 10, two transmission gears 10 are rotatably connected with the upper and lower inner walls of mounting block 4 through two third rotating shafts 11, the lower surface of two drive gears 6 is equipped with connecting block 12, the inside of two connecting blocks 12 is rotatably connected with rotating block 13, the side surface of two connecting blocks 12 is equipped with fixing device, the lower surface of rotating block 13 is equipped with roller component 14 penetrating connecting block 12, the side surface of rear box body 2 is equipped with auxiliary pulling device, the left and right ends of the upper surface of pull rod 3 are respectively equipped with left button and right button, left button, right button, fixing device and drive motor 5 are electrically connected with processor.
[0024] The fixing device includes supporting block 15, two limiting columns 16 are slidingly connected with supporting block 15, the two limiting columns 16 are arranged to enable supporting block 15 to move stably. The one end of two limiting columns 16 is equipped with end block 17, the end block 17 is arranged to play a limiting role. The side surface of supporting block 15 close to connecting block 12 is equipped with iron block 18, the side surface of connecting block 12 close to iron block 18 is equipped with coil 31, the side surface of iron block 18 close to connecting block 12 is equipped with supporting rod 19, supporting rod 19 penetrates connecting block 12 and is equipped with abutting block 20, the surface of two limiting columns 16 is sleeved with return spring 21, one end of return spring 21 is connected with the side surface of supporting block 15, the other end of return spring 21 is connected to the side surface of connecting block 12.
[0025] The side surface of abutting block 20 close to rotating block 13 is equipped with abutting groove 22, abutting groove 22 is matched with rotating block 13. The abutting groove 22 is arranged to enable the contact surface of abutting block 20 and rotating block 13 to be more compact.
[0026] The inner wall of abutting groove 22 is equipped with multiple anti-skid protrusions 23. The multiple anti-skid protrusions 23 are arranged to play an anti-skid role.
[0027] The auxiliary pulling device comprises a U-shaped block 24 arranged on one side surface of the rear box body 2, a U-shaped groove 25 is formed on the surface of the U-shaped block 24, an annular cloth belt 26 is slidably connected in the U-shaped groove 25, a pulling block 27 is arranged on one end of the annular cloth belt 26 extending out of the U-shaped groove 25, a threaded hole 28 is formed on one side surface of the U-shaped block 24, and a positioning block 29 is threadedly connected in the threaded hole 28.
[0028] The end of the annular cloth belt 26 away from the pulling block 27 is provided with an anti-falling block 30, which prevents the annular cloth belt 26 from falling out of the U-shaped groove 25.
[0029] When rotating to the left, the left button on the left side of the pulling rod 3 is pressed by hand, the driving motor 5 is started by the processor, the driving gear 6 is driven to rotate to the left by the output shaft, the rotating gear 9 is driven to rotate to the left by the meshing transmission of the transmission gear 10, the coil 31 of the fixing device is energized, the iron block 18 is attracted to the coil 31 by electromagnetic attraction, moves to the connecting block 12, and then the abutting block 20 abuts against the rotating block 13 to prevent the rotating block 13 from rotating, at this time, the return spring 21 is in a compressed state, the connecting block 12 is rotated by the rotation of the rotating gear 9, the roller component 14 is rotated to the left by the fixing effect of the fixing device, and when rotating to the right, the same operation is performed. Figure 3 If the bag does not need to be rotated, the coil 31 of the fixing device is de-energized, the supporting block 15 is moved away from the connecting block 12 under the compression force of the return spring 21, the abutting block 20 is separated from the rotating block 13, at this time, the rotating block 13 can be freely rotated, and then the roller component 14 is freely rotated. Figure 4 The auxiliary pulling device is provided, the positioning block 29 is loosened, the annular cloth belt 26 is stretched out by pulling the pulling block 27, the annular cloth belt 26 is fixed by tightening the positioning block 29 after being pulled to the height of the user, the arm pressure can be relieved by pulling the annular cloth belt 26.
[0030] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A luggage trolley with a turning compensation function, comprising a front box body (1) and a rear box body (2), characterized in that, The rear box (2) upper surface is movably connected with a pull rod (3), the front box (1) and rear box (2) lower surface are each provided with a mounting block (4), the mounting block (4) is internally provided with a processor with a battery, the mounting block (4) upper inner wall is provided with a drive motor (5), the drive motor (5) output shaft is connected with a drive gear (6), the drive gear (6) is rotatably connected with the mounting block (4) lower inner wall through a first rotating shaft (7), the mounting block (4) upper inner wall is rotatably connected with two second rotating shafts (8), the two second rotating shafts (8) lower ends are each fixedly connected with a rotating gear (9), the drive gear (6) is meshingly and drivingly connected with the two rotating gears (9) through a transmission gear (10), the two transmission gears (10) are each rotatably connected with the mounting block (4) upper and lower inner walls through two third rotating shafts (11), the two drive gears (6) lower surfaces are each provided with a connecting block (12), the two connecting blocks (12) interiors are each rotatably connected with a rotating block (13), the two connecting blocks (12) one side surfaces are each provided with a fixing device, the rotating block (13) lower surface is provided with a roller member (14) penetrating through the connecting block (12), the rear box (2) side surface is provided with an auxiliary pulling device, the pull rod (3) upper surface left and right ends are respectively provided with a left button and a right button, the left button, right button, fixing device and drive motor (5) are electrically connected with the processor.
2. The luggage pull rod with a turning compensation function according to claim 1, characterized in that, The fixing device comprises a supporting block (15), the supporting block (15) is slidably connected with two limiting columns (16), one end of the two limiting columns (16) is provided with an end block (17), the supporting block (15) one side surface close to the connecting block (12) is provided with an iron block (18), the connecting block (12) one side surface close to the iron block (18) is provided with a coil (31), the iron block (18) one side surface close to the connecting block (12) is provided with a supporting rod (19), the supporting rod (19) penetrates through the connecting block (12) and is provided with an abutting block (20), the two limiting columns (16) surfaces are each sleeved with a return spring (21), one end of the return spring (21) is connected with the supporting block (15) one side surface, the other end of the return spring (21) is connected to the connecting block (12) one side surface.
3. The luggage pull rod with a turning compensation function according to claim 2, characterized in that, The abutting block (20) one side surface close to the rotating block (13) is each provided with an abutting groove (22), the abutting groove (22) is matched with the rotating block (13).
4. The luggage pull rod with a turning compensation function according to claim 3, characterized in that, The abutting groove (22) inner wall is provided with a plurality of anti-skid protrusions (23).
5. The luggage pull rod with a turning compensation function according to claim 1, wherein, The auxiliary pulling device comprises a U-shaped block (24), the U-shaped block (24) is arranged on the rear box (2) one side surface, the U-shaped block (24) surface is provided with a U-shaped groove (25), the U-shaped groove (25) interior is slidably connected with a loop cloth belt (26), one end of the loop cloth belt (26) extending out of the U-shaped groove (25) is provided with a pulling block (27), the U-shaped block (24) one side surface is provided with a threaded hole (28), the threaded hole (28) is threadedly connected with a positioning block (29).
6. The luggage pull rod with a turning compensation function according to claim 5, characterized in that, The annular cloth tape (26) is provided with an anti-off block (30) away from one end of the pull block (27).
Citation Information
Patent Citations
Luggage pull rod with steering compensation function
CN216983949U