CN210124391U - Damping wheel for luggage case - Google Patents

Abstract

The utility model discloses a shock attenuation wheel for suitcase. The device comprises a fixed seat used for being fixed with the luggage case, and a damping wheel which is connected with the fixed seat and can rotate freely; the damping wheel comprises a damping shell, a supporting column which is vertically arranged and one end of the supporting column is connected to the damping shell, a transverse shaft body which is hinged with the other end of the supporting column, and rolling wheels which are arranged at two ends of the transverse shaft body; the horizontal axis body runs through damping housing, and the support column adopts the form that the two axles cup jointed so that the axial length of whole support column can be adjusted, this kind of damping wheel device through the support column that can stretch out and draw back and add the elastic connecting rod who establishes to and guarantee damping wheel free rotation's mounting, make damping wheel multi-direction, multi-angle swing and can reply the original position, make the utility model discloses have the ability that adapts to various complicated road surfaces, stability is extremely strong.

Description

Damping wheel for luggage case

Technical Field

The utility model relates to a suitcase accessory technical field, concretely relates to shock attenuation wheel for suitcase.

Background

Luggage is one type of luggage, also known as a suitcase or a trolley case. Now, the suitcase on the market is various, and the appearance of these suitcases provides very big facility to people's going out, and the suitcase leads to suitcase weight great because its self accommodation space is great, consequently uses the mode of normal portable suitcase not to be suitable for, consequently, from more convenient demand, people set up the gyro wheel in the bottom of suitcase in order to conveniently drag the suitcase, very big reduction the burden when going out the long-range.

However, the luggage case is placed on the road surface for dragging, and although the smooth cement road surface is more and more along with the social progress, the rugged road surface and the gravel road surface still exist in the actual life, and for the rugged road surface, the luggage case can be strongly bumped when being dragged, so that more strength is needed for dragging the luggage case, and in serious cases, the bottom rollers can be broken, the normal use of the luggage case is influenced, and the service life of the luggage case is unfavorable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shock attenuation wheel for suitcase to above-mentioned prior art not enough, is adapted to the road surface of different roughness, turns to in a flexible way, and the buffering suitcase drags jolting that the in-process received.

The utility model provides a damping wheel for a luggage case, which comprises a fixed seat used for being fixed with the luggage case and a damping wheel which is connected with the fixed seat and can freely rotate; the damping wheel comprises a damping shell, a supporting column which is vertically arranged and one end of the supporting column is connected to the damping shell, a transverse shaft body which is hinged with the other end of the supporting column, and rolling wheels which are arranged at two ends of the transverse shaft body; the horizontal axis body runs through the shock attenuation casing, and the support column adopts the form that the two axles cup jointed so that the axial length of whole support column can be adjusted, be provided with a screw thread post on the fixing base downwards, upwards be provided with a fixed axle on the shock attenuation casing, the terminal surface of fixed axle is provided with the ring platform, still includes a mounting that is used for connecting simultaneously screw thread post and fixed axle.

Further, the cross shaft body comprises a hinge piece for being hinged with the supporting column and two horizontal shafts extending out from two ends of the hinge piece.

Furthermore, the extension end of the horizontal shaft rod is also provided with a plurality of rolling wheel fixing parts used for limiting the rolling wheels on the horizontal shaft rod but not limiting the rotating function of the rolling wheels.

Furthermore, the damping device also comprises an elastic connecting rod, one end of the elastic connecting rod is connected to the damping shell, the other end of the elastic connecting rod is connected to the transverse shaft body, and an elastic component is sleeved on the elastic connecting rod.

Further, the shock attenuation casing includes a shock attenuation shell main part and extends from the shock attenuation shell main part and set up two support mainboards away.

Furthermore, the supporting main board is also provided with a through hole for the cross shaft body to pass through.

Further, the aperture size of the through hole should be larger than the shaft diameter of the transverse shaft body.

Further, the fixing piece comprises a first threaded hole and a second sleeving hole, wherein the first threaded hole is used for being in threaded fixed connection with the threaded column, and the second sleeving hole is used for being sleeved with the fixing shaft.

The utility model relates to a damping wheel for a luggage case, the rotation between the damping wheel and a fixed seat in the utility model is implemented by a fixed part, the fixing piece can connect the damping wheel and the fixing seat into a whole, and can not limit the rotation capability of the damping wheel, so that the damping wheel has the rotation capability of 360 degrees without dead angles, and the supporting column used for connecting the roller transverse shaft body and the damping shell adopts a two-shaft sleeve joint mode, so that the length of the supporting column can be correspondingly shortened according to the bumping and vibrating force applied to the luggage case, so as to absorb the corresponding vibration energy, and the transverse shaft body is hinged with the supporting column, so that the roller has the capability of swinging up and down, and still add the elastic connecting rod that is equipped with many covers and is equipped with elastic component between the articulated elements of the cross axle body and shock attenuation casing, further strengthen the utility model discloses a shock-absorbing capacity can also make the length of support column can kick-back the extension after shortening. The shock absorption shell is provided with a through hole for the horizontal shaft rod of the transverse shaft body to penetrate through, the aperture of the through hole is larger than the shaft diameter of the horizontal shaft rod, and the transverse shaft body is endowed with a multi-direction swinging space, so that the stability of the utility model is stronger.

Drawings

Fig. 1 is a front view schematically illustrating an overall structure of a shock-absorbing wheel for a luggage case according to an embodiment of the present invention;

fig. 2 is a schematic side view of an overall structure of a shock-absorbing wheel for a luggage case according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a mounting member for a shock-absorbing wheel overall structure of a luggage case according to an embodiment of the present invention.

In the figure: 1-a fixed seat, 11-a threaded column, 2-a damping wheel, 21-a damping shell, 211-a damping shell body, 212-a supporting main board, 213-a through hole, 22-a supporting column, 23-a transverse shaft body, 231-a hinge part, 232-a horizontal shaft rod, 233-a rolling wheel fixing part, 24-a rolling wheel, 25-a fixed shaft, 251-a circular ring platform, 3-a fixing part, 31-a first threaded hole, 32-a second sleeving hole, 4-an elastic connecting rod and 41-an elastic component.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention and the technical solutions in the prior art, the following description will explain specific embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort. In addition, the term "orientation" merely indicates a relative positional relationship between the respective members, not an absolute positional relationship.

Please refer to fig. 1 and 2 and fig. 3. The utility model provides a damping wheel for a luggage case, which comprises a fixed seat 1 used for being fixed with the luggage case and a damping wheel 2 which is connected with the fixed seat 1 and can rotate freely; the shock absorption device comprises a fixed seat 1, a threaded column 11, a fixed shaft 25 and a fixing piece 3, wherein the threaded column 11 is arranged on the fixed seat 1 downwards, the fixed shaft 25 is arranged on the shock absorption shell 21 upwards, the annular platform 251 is arranged on the end face of the fixed shaft 25, the shock absorption device also comprises the fixing piece 3 which is used for connecting the threaded column 11 and the fixed shaft 25 at the same time, and the shock absorption wheel 2 can be fixed with a luggage case by means of the fixing piece 3, is not easy to fall off and can. The damping wheel 2 comprises a damping shell 21, a supporting column 22 which is vertically arranged and one end of which is connected to the damping shell 21, a transverse shaft body 23 which is hinged with the other end of the supporting column 22, and rolling wheels 24 which are arranged at two ends of the transverse shaft body 23; the cross axle body 23 penetrates the shock absorbing housing 21, and the supporting column 22 is in a two-axle sleeved form so that the axial length of the whole supporting column 22 can be adjusted for absorbing shock energy and supporting the luggage.

The fixing member 3 includes a first screw hole 31 for screw-fixing connection with the screw post 11 and a second coupling hole 32 for coupling with the fixing shaft 25.

Furthermore, the utility model discloses in the embodiment of the cross axle body 23 include one be used for with support column 22 articulated elements 231 and two extend the horizontal axis pole 232 that sets up away from articulated elements 231 both ends, the extension end of horizontal axis pole 232 still sets up a plurality of rolling wheel mountings 233 that nevertheless do not restrict the rotation function of rolling wheel 24 for spacing rolling wheel 24 on horizontal axis pole 232, like this, on pot hole road surface, cross axle body 23 is because belonging to articulated relation with support column 22 in this embodiment, consequently, cross axle body 23 can the luffing motion, guarantee all the time that each rolling wheel 24 all contacts with the road surface. The luggage box can comprehensively share the gravity of the luggage box, reduce the burden of a single rolling wheel 24, prolong the service life of the rolling wheel 24 and the transverse shaft body 23 and improve the stability of the device.

In the embodiment of the present invention, an elastic connecting rod 4 is further provided, one end of which is connected to the damping shell 21 and the other end of which is connected to the transverse shaft 23, and an elastic component 41 is further sleeved on the elastic connecting rod 4. Elastic connecting rod 4 and elastic component 41 have given cross axle body 23 the ability that can also recover the original state after the left and right rocking, owing to set up support column 22 into the two-shaft form of cup jointing, outside making support column 22 possess the ability of length adjustment, still make the cross axle body 23 of connecting and support column 22 end and the rolling wheel 24 of setting on cross axle body 23 possess the ability of left and right rocking, and then make the utility model discloses the ability of inclining simultaneously on horizontal plane and vertical plane in order to make rolling wheel 24 laminate the road surface completely, can resume simultaneously on level road surface to be on a parallel with horizontal plane and vertical planar state, make rolling wheel 24 paste clothes level road surface place. The damper housing 21 includes a damper housing body 211 and two support main plates 212 extending from the damper housing body 211. The support main plate 212 is further provided with a through hole 213 through which the horizontal shaft 23 passes. It should be emphasized that the aperture size of the through hole 213 should be larger than the diameter of the horizontal shaft 23, so as to reserve a space for the swing of the horizontal shaft 23, and form a real damping space, but the aperture of the through hole 213 cannot be too large, resulting in the utility model discloses a supporting force is all supported by the supporting column 22, but makes the supporting main board 212 keep in contact with the horizontal shaft 232, shares a part of supporting force, improves the stability of the supporting damping wheel of this embodiment, and ensures the structure rationalization.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims (8)

1. A shock attenuation wheel for suitcase which characterized in that: comprises a fixed seat (1) used for being fixed with the luggage case and a damping wheel (2) which is connected with the fixed seat (1) and can rotate freely; the damping wheel (2) comprises a damping shell (21), a supporting column (22) which is vertically arranged and one end of which is connected to the damping shell (21), a transverse shaft body (23) which is hinged with the other end of the supporting column (22), and rolling wheels (24) which are arranged at two ends of the transverse shaft body (23); the horizontal shaft body (23) runs through the damping shell body (21), the supporting column (22) is in a two-shaft sleeved mode, so that the axial length of the whole supporting column (22) can be adjusted, a threaded column (11) is arranged on the fixing seat (1) downwards, a fixing shaft (25) is arranged on the damping shell body (21) upwards, a circular ring platform (251) is arranged on the end face of the fixing shaft (25), and the damping shell body further comprises a fixing piece (3) used for simultaneously connecting the threaded column (11) and the fixing shaft (25).

2. A shock absorbing wheel for a luggage case as claimed in claim 1, wherein: the transverse shaft body (23) comprises a hinge (231) hinged with the supporting column (22) and two horizontal shafts (232) extending out from two ends of the hinge (231).

3. A shock absorbing wheel for a luggage case as claimed in claim 2, wherein: the extending end of the horizontal shaft rod (232) is also provided with a plurality of rolling wheel fixing pieces (233) used for limiting the rolling wheels (24) on the horizontal shaft rod (232) but not limiting the rotating function of the rolling wheels (24).

4. A shock absorbing wheel for a luggage case as claimed in claim 1, wherein: the damping device is characterized by further comprising an elastic connecting rod (4) with one end connected to the damping shell (21) and the other end connected to the transverse shaft body (23), and an elastic assembly (41) is further sleeved on the elastic connecting rod (4).

5. A shock absorbing wheel for a luggage case as claimed in claim 1, wherein: the damping shell (21) comprises a damping shell main body (211) and two supporting main plates (212) extending out from the damping shell main body (211).

6. A shock absorbing wheel for a luggage case as claimed in claim 5, wherein: the supporting main plate (212) is also provided with a through hole (213) for the transverse shaft body (23) to pass through.

7. A shock absorbing wheel for a luggage case as claimed in claim 6, wherein: the diameter of the through hole (213) is larger than the diameter of the transverse shaft (23).

8. A shock absorbing wheel for a luggage case as claimed in claim 1, wherein: the fixing piece (3) comprises a first threaded hole (31) fixedly connected with the threaded column (11) in a threaded mode and a second sleeving hole (32) sleeved with the fixing shaft (25).

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