Damping wheel for luggage

Abstract

The utility model discloses a luggage damping wheel, which relates to the luggage technical field, and comprises a mounting seat, a support column and a caster, the outer surface of a rotating shaft is rotatably connected with a swing arm, the caster is installed at the end part of a wheel shaft, a frame is installed outside the support column, the outer surface of a sliding seat is in sliding connection with the inner wall of a slideway, and the outer surface of the sliding seat is in sliding connection with the inner wall of the slideway. According to the utility model, the design structure is reasonable, through the cooperation among the frame, the slide way, the slide seat, the damping springs and the damper, the slide way in the frame can be used for guiding the moving position of the slide seat and setting the motion trail of the slide seat, so that the movement of the slide seat is facilitated, and the service life of the slide seat is prolonged. Vibration can be absorbed and dispersed through the damping spring and the damper, vibration force is reduced, radiation of the vibration force to the luggage is reduced, the safety of objects in the luggage is improved, impact of a bumpy road surface on the trundle is reduced, and the safety of the trundle is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of luggage, and specifically relates to a luggage shock absorbing wheel. BACKGROUND

[0002] Luggage usually has a large capacity and can accommodate multiple pieces of clothing, shoes, toiletries and other travel necessities. Luggage is usually equipped with a carrying handle, a telescopic pull rod and wheels, making it convenient to carry and move. Luggage can also protect the contents from external collisions, friction and compression, reducing the likelihood of damage to the contents and improving the safety of the contents. Luggage also has additional functions, such as waterproof, shockproof and anti-theft functions, to meet different travel needs. The design of the luggage makes travel more convenient. Whether at the airport, train station or other public places, it is easy to walk with the luggage, improving travel efficiency. Luggage is not only a practical travel tool, but also provides travelers with convenient, safe and comfortable travel experiences.

[0003] When pulling the luggage, the wheels make it more convenient and labor-saving to move the luggage. When the luggage is moved to an uneven road, the wheels will vibrate due to the bumps of the uneven road surface. The contents inside the luggage may be damaged by the vibration, and the wheels may also be damaged by the vibration. To solve the above problems, we provide a luggage shock absorbing wheel. SUMMARY

[0004] I) Technical problems solved

[0005] The utility model provides a kind of luggage shock absorbing wheel, and the cooperation between frame, slide, sliding seat, shock absorbing spring and damper solves the problem that wheel will vibrate due to the bumps of the uneven road surface, the contents inside the luggage may be damaged by the vibration, and the wheels may also be damaged by the vibration.

[0006] II) Technical solutions

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a kind of luggage shock absorbing wheel, including mounting seat, support column and trundle, one end of the support column is rotatably connected with the inner wall of mounting seat, the other end of the support column is connected with pivot, the outer surface of pivot is rotatably connected with swing arm, the other end of swing arm is rotatably connected with wheel shaft, and the trundle is installed at the end of wheel shaft;

[0008] The outer portion of support column is provided with frame, the inner side of frame is provided with slide, the outer surface of wheel shaft is connected with sliding seat, the outer surface of sliding seat is slidably connected with the inner wall of slide, the inner wall of slide is connected with guide rod, the outer surface of guide rod is slidably connected with the inner wall of sliding seat, the outer portion of guide rod is sleeved with multiple sets of shock absorbing springs, and the inside of slide is provided with damper.

[0009] Further, the fixed end of the damper is connected with the inner wall of the slide, and the output end of the damper is connected with the outer surface of the slide seat.

[0010] Further, the number of the casters is two, and the two casters are respectively located at two ends of the wheel shaft.

[0011] Further, one end of each of the plurality of sets of shock-absorbing springs is connected with the inner wall of the slide, and the other end of each of the plurality of sets of shock-absorbing springs is connected with the outer surface of the slide seat.

[0012] Further, a plurality of connecting holes are formed in the inner side of the mounting seat, and the plurality of connecting holes are equidistantly arrayed.

[0013] Further, a locking bolt is threadedly connected with the inner wall of the frame, and one end of the locking bolt located in the frame is in contact with the outer surface of the supporting column.

[0014] III) Beneficial effects:

[0015] Compared with the prior art, the luggage shock-absorbing wheel has the following beneficial effects:

[0016] I. The luggage shock-absorbing wheel guides the moving position of the slide seat through the slide in the frame, sets the movement track of the slide seat, absorbs and disperses the shock through the shock-absorbing spring and the damper, reduces the shock force, reduces the shock force radiation to the luggage, improves the safety of the objects in the luggage, reduces the impact of the bumpy road on the caster, and improves the safety of the caster.

[0017] II. The luggage shock-absorbing wheel forms a wrapping of the slide seat through the cooperation between the guide rod and the slide, maintains the stability of the slide seat in the moving position, provides support force inside the shock-absorbing spring through the guide rod when the shock-absorbing spring is elastically contracted, and maintains the stability of the shock-absorbing spring when it is elastically contracted. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn according to the actual proportions.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0020] Figure 2 It is a schematic diagram of the wheel shaft structure of the present application;

[0021] Figure 3 It is the sliding seat structure schematic view of the utility model;

[0022] Figure 4 It is the damping spring structure schematic view of the utility model;

[0023] Figure 5 It is the frame structure schematic view of the utility model.

[0024] In the drawing: 1, mounting seat, 2, support column, 3, trundle, 4, pivot, 5, swing arm, 6, wheel axle, 7, frame, 8, slide, 9, sliding seat, 10, guide rod, 11, damping spring, 12, damper, 13, connecting hole, 14, locking bolt. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0026] As Figures 1-5 Indicated, the utility model provides a kind of technical scheme: a luggage damping wheel, including mounting seat 1, support column 2 and trundle 3, one end of support column 2 is rotatably connected with the inner wall of mounting seat 1, the other end of support column 2 is connected with pivot 4, the outer surface of pivot 4 is rotatably connected with swing arm 5, the other end of swing arm 5 is rotatably connected with wheel axle 6, trundle 3 is installed at the end of wheel axle 6, is connected with luggage by mounting seat 1, keeps the stability of overall structure, swing arm 5 is supported by support column 2, so that trundle 3 has steering function, wheel axle 6 is supported by swing arm 5, so that trundle 3 has the movement track of up and down swing.

[0027] Frame 7 is installed on the outside of support column 2, slide 8 is formed in the inner side of frame 7, sliding seat 9 is connected on the outer surface of wheel axle 6, the outer surface of sliding seat 9 is slidably connected with the inner wall of slide 8, the inner wall of slide 8 is connected with guide rod 10, the outer surface of guide rod 10 is slidably connected with the inner wall of sliding seat 9, slide 8 in the inside of frame 7 plays the role of supporting sliding seat 9, keeps the stability of sliding seat 9, slide 8 also plays the role of guiding sliding seat 9, guides the moving direction of sliding seat 9, guide rod 10 plays the role of supporting damping spring 11, keeps the stability of damping spring 11 when elastically contracting, the appearance of slide 8 and guide rod 10 is arc-shaped.

[0028] The inside of the slide 8 is provided with a damper 12, the fixed end of the damper 12 is connected with the inner wall of the slide 8, the output end of the damper 12 is connected with the outer surface of the sliding seat 9, the vibration force is absorbed and dissipated through the damper 12, the vibration amplitude of the caster 3 can be reduced, the stability of the caster 3 is improved, and the shaking of the caster 3 in the vibration is reduced.

[0029] The number of the casters 3 is two, and the two casters 3 are located at two ends of the wheel shaft 6, and the rotation of the caster 3 facilitates the movement of the luggage.

[0030] The outer part of the guide rod 10 is sleeved with a plurality of damping springs 11, one end of the plurality of damping springs 11 is connected with the inner wall of the slide 8, and the other end of the plurality of damping springs 11 is connected with the outer surface of the sliding seat 9, the damping springs 11 are two groups in total, one group of the damping springs 11 is located above the sliding seat 9, and the other group of the damping springs 11 is located below the sliding seat 9, the sliding seat 9 is provided with elastic support through the damping springs 11, and the damping springs 11 can play a buffering role and absorb the vibration force of the ground.

[0031] The inside of the mounting seat 1 is provided with a plurality of connecting holes 13, and the plurality of connecting holes 13 are arranged at equal intervals, the connecting holes 13 are used for penetrating through screws, and the mounting seat 1 is fixed on the luggage, so that the stability of the mounting seat 1 is maintained.

[0032] The inner wall of the frame 7 is threadedly connected with a locking bolt 14, one end of the locking bolt 14 in the frame 7 is in contact with the outer surface of the supporting column 2, the frame 7 is provided with resistance through the contact between the locking bolt 14 and the supporting column 2, and the stability of the frame 7 is maintained.

[0033] Working principle: when the caster 3 moves to the bumpy road, the caster 3 is first moved upward, and the swing arm 5 swings upward, the caster 3 moves the position, and the wheel shaft 6 pushes the sliding seat 9 to move the position, the sliding seat 9 moves in the slide 8, the sliding seat 9 moves the position, and the damping springs 11 and the damper 12 are compressed, the vibration transmitted by the caster 3 is absorbed and dispersed after the damping springs 11 and the damper 12 are compressed, and then the damping springs 11 and the damper 12 push the wheel shaft 6 to reset, and the wheel shaft 6 pushes the swing arm 5 and the caster 3 to reset.

[0034] In the description of the utility model, it is understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "middle" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation of the utility model.

[0035] The above is only a specific embodiment of the present application, and cannot limit the scope of the present application. The replacement of equivalent components or equivalent changes and modifications within the scope of the present application should still be within the scope of the present application.

Claims

1. A luggage shock absorbing wheel comprising a mounting seat (1), a supporting column (2) and a caster (3), characterized in that: One end of the support column (2) is rotatably connected with the inner wall of the mounting base (1), the other end of the support column (2) is connected with a rotating shaft (4), the outer surface of the rotating shaft (4) is rotatably connected with a swing arm (5), the other end of the swing arm (5) is rotatably connected with an axle (6), the caster (3) is installed at the end of the axle (6); The outer part of the support column (2) is provided with a frame (7), the inner side of the frame (7) is provided with a slide (8), the outer surface of the axle (6) is connected with a sliding seat (9), the outer surface of the sliding seat (9) is slidably connected with the inner wall of the slide (8), the inner wall of the slide (8) is connected with a guide rod (10), the outer surface of the guide rod (10) is slidably connected with the inner wall of the sliding seat (9), the outer part of the guide rod (10) is sleeved with a plurality of damping springs (11), and the inner part of the slide (8) is provided with a damper (12).

2. The luggage wheel of claim 1, wherein: The fixed end of the damper (12) is connected with the inner wall of the slide (8), and the output end of the damper (12) is connected with the outer surface of the sliding seat (9).

3. The luggage wheel of claim 1, wherein: The number of the casters (3) is two, and the two casters (3) are respectively located at the two ends of the axle (6).

4. The luggage wheel of claim 1, wherein: One end of the plurality of damping springs (11) is connected with the inner wall of the slide (8), and the other end of the plurality of damping springs (11) is connected with the outer surface of the sliding seat (9).

5. The luggage wheel of claim 1, wherein: The inner side of the mounting base (1) is provided with a plurality of connecting holes (13), and the plurality of connecting holes (13) are arranged at equal distances.

6. The luggage wheel of claim 1, wherein: The inner wall of the frame (7) is threadedly connected with a locking bolt (14), and one end of the locking bolt (14) located in the frame (7) is in contact with the outer surface of the support column (2).

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