Damping luggage trundle

Abstract

The utility model discloses a damping luggage trundle which comprises a wheel carrier, a wheel shaft is arranged on the wheel carrier, a wheel is arranged on the wheel shaft, the wheel carrier comprises a fixed part arranged close to the upper portion and a movable part arranged close to the lower portion, one end of the movable part is hinged to the fixed part, an elastic piece is arranged between the fixed part and the movable part, and the wheel shaft is arranged on the movable part. The other end of the movable part is hinged to a brake part, a shifting part is arranged at the end, away from the axis of the wheel shaft, of the brake part, a brake block is arranged on the side face of the end, close to the axis of the wheel shaft, of the brake part, a movable groove is formed in the side face of the wheel, the brake block moves in the movable groove in the circumferential direction, and a plurality of brake grooves are formed in the outer groove wall of the movable groove in the circumferential direction. The luggage trundle has the characteristics of buffering, shock absorption and braking, and is complete in overall function and high in practicability.

Description

Technical Field

[0001] The utility model relates to a caster, more specifically, it relates to a shock-absorbing luggage caster. Background Art

[0002] Most wheels on luggage casters on the market have a soft rubber outer layer, which can give the wheels a certain shock-absorbing function, but the shock-absorbing effect is limited. Accordingly, the utility model proposes a shock-absorbing luggage caster. Utility Model Content

[0003] The utility model aims to overcome the deficiencies in the prior art and provide a shock-absorbing luggage caster, which has the characteristics of buffering, shock absorption and brake capability.

[0004] In order to solve the above technical problems, the purpose of the utility model is achieved as follows: the utility model involves a shock-absorbing luggage caster, including a wheel frame, an axle is provided on the wheel frame, and a wheel is provided on the axle, the wheel frame includes a fixed part arranged at the top and a movable part arranged at the bottom, one end of the movable part is hinged to the fixed part, an elastic part is provided between the fixed part and the movable part, and the wheel axle is arranged on the movable part.

[0005] The utility model is further configured as follows: a brake component is hingedly connected to the other end of the movable portion, a toggle portion is provided at the end of the brake component away from the axis of the wheel axle, and a brake block is provided on the side of the end close to the axis of the wheel axle; a movable groove is provided on the side of the wheel for the brake block to move circumferentially therein, and a plurality of brake grooves are arranged around the outer groove wall of the movable groove for the brake block to be embedded in.

[0006] The utility model is further configured that: the interval angles between two adjacent braking grooves are equal.

[0007] The utility model is further configured as follows: the paddle portion comprises an upper paddle and a lower paddle.

[0008] The utility model is further configured as follows: the fixed part is provided with a first limiting part which limits the movable part from rotating, and the movable part is provided with a second limiting part which matches the first limiting part.

[0009] The utility model is further configured as follows: the movable part is provided with a first gear slot and a second gear slot for the brake block to rotate into;

[0010] When the brake block is located in the first gear slot, the wheel can rotate relative to the wheel axle; when the brake block is located in the second gear slot, the wheel cannot rotate relative to the wheel axle.

[0011] The utility model is further configured as follows: a hidden groove for the elastic member to be hidden is provided on the fixing portion.

[0012] The present utility model is further configured such that: the elastic member is a compression spring.

[0013] In summary, the present utility model has the following beneficial effects:

[0014] 1. An elastic member is added between the fixed part and the movable part hinged thereto, endowing the casters with good elasticity and excellent shock absorption effect.

[0015] 2. It is equipped with a braking component, which can lock the position of the wheels. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 is a schematic diagram of a partial structure of the present utility model;

[0018] Figure 3 is a schematic diagram of a local structure of the present utility model;

[0019] Figure 4 is a schematic diagram of the structure of the present utility model for embodying the fixed part;

[0020] Figure 5 is a schematic diagram of the structure of the present utility model for embodying the braking member. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the preferred implementation solutions of the present utility model will be described below in conjunction with specific embodiments. However, it should be understood that these descriptions are only for further explaining the features and advantages of the present utility model, rather than limiting the patent requirements of the present utility model. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] The present utility model will be further described below in conjunction with the drawings and preferred embodiments.

[0023] Embodiment 1

[0024] Referring to Figures 1 to 5 As shown, a shock-absorbing luggage caster involved in this embodiment includes a wheel frame 10, a wheel axle 20 is provided on the wheel frame 10, a wheel 30 is provided on the wheel axle 20. The wheel frame 10 includes an upper fixed part 11 and a lower movable part 12. One end of the movable part 12 is hinged to the fixed part 11. An elastic member 40 is provided between the fixed part 11 and the movable part 12. The elastic member 40 is a compression spring. The wheel axle 20 is provided on the movable part 12.

[0025] Furthermore, the fixed portion 11 is provided with a first limiting portion 111 for limiting the rotation of the movable portion, and the movable portion 12 is provided with a second limiting portion 121 matching the first limiting portion.

[0026] Furthermore, a hidden groove 114 is formed on the fixing portion 11 for the elastic member 40 to be hidden.

[0027] In this embodiment, when the wheel 30 is pressed, the wheel-carrying shaft 20 and the movable portion 12 squeeze the elastic member 40 until the elastic member 40 is compressed and the movable portion 12 rotates relative to the fixed portion 11 to achieve a buffering and shock-absorbing function.

[0028] Example 2

[0029] See also Figures 1 to 5 As shown, the shock-absorbing luggage caster involved in this embodiment is further configured as follows on the basis of Embodiment 1: the other end of the movable portion 12 is hinged with a brake member 50, the end of the brake member 50 away from the axis of the wheel axle is provided with a toggle portion 51, and the side surface of the end close to the axis of the wheel axle is provided with a brake block 52, the side surface of the wheel 20 is provided with a movable groove 21 for the brake block 52 to move circumferentially therein, and the outer groove wall of the movable groove 21 is provided with a plurality of brake grooves 22 for the brake block 52 to be embedded in; the interval angles between two adjacent brake grooves 22 are equal.

[0030] Furthermore, the shifting portion 51 includes an upper shifting piece 511 and a lower shifting piece 512 .

[0031] In this embodiment, by moving the toggle portion 51 up and down, when the brake block 52 is located in the first gear slot 112, the wheel 30 can rotate relative to the axle 20; when the brake block 52 is inserted into the second gear slot 113, the wheel 30 cannot rotate relative to the axle 20.

[0032] Example 3

[0033] See also Figures 1 to 5 As shown, the shock-absorbing luggage caster involved in this embodiment is further configured on the basis of Embodiment 2, wherein the movable portion 12 is provided with a first gear slot 112 and a second gear slot 113 for the brake block to rotate into;

[0034] When the brake block 52 is located in the first gear slot 112 , the wheel 30 can rotate relative to the axle 20 ; when the brake block 52 is located in the second gear slot 113 , the wheel 30 cannot rotate relative to the axle 20 .

[0035] In this embodiment, the first gear slot 112 and the second gear slot 113 are provided to achieve a position locking effect after the brake member 50 rotates and completes the position state switching.

[0036] The shock-absorbing luggage caster involved in the present utility model is provided with an elastic member between the fixed part and the movable part hinged thereto, endowing the caster with good elasticity and excellent shock-absorbing effect; and it is equipped with a braking component, which can lock the position of the wheel. The overall function is perfect and the practicability is strong.

[0037] Unless otherwise specified, in the present utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the indicated orientation or positional relationship is based on the actual shown orientation or positional relationship, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms used to describe the orientation or positional relationship in the present utility model are only for exemplary illustration and should not be construed as a limitation of this patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood in combination with the embodiments and according to the specific circumstances.

[0038] Unless otherwise clearly defined and limited, in the present utility model, if there are terms such as "set", "connected" and "connected", they should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0039] The preferred specific embodiments of the present utility model have been described in detail above. It should be understood that those of ordinary skill in the art can make many modifications and variations based on the concept of the present utility model without creative labor. Therefore, all technical solutions that can be obtained by those skilled in the art in the technical field of the present application based on the concept of the present utility model through logical analysis, reasoning or limited experiments on the basis of the prior art should be within the protection scope determined by the claims.

Claims

1. A shock-absorbing luggage caster, comprising a wheel frame, a wheel axle is disposed on the wheel frame, and a wheel is disposed on the wheel axle, characterized in that: The wheel frame comprises a fixed part arranged at the top and a movable part arranged at the bottom, one end of the movable part is hinged to the fixed part, an elastic member is arranged between the fixed part and the movable part, and the wheel axle is arranged on the movable part.

2. The shock-absorbing luggage caster according to claim 1, characterized in that: The other end of the movable part is hinged with a brake part, the end of the brake part away from the wheel axle axis is provided with a toggle part, and the side surface of the end close to the wheel axle axis is provided with a brake block. The side surface of the wheel is provided with a movable groove for the brake block to move circumferentially therein, and the outer groove wall of the movable groove is provided with a plurality of brake grooves for the brake block to be embedded in.

3. The shock-absorbing luggage caster according to claim 2, characterized in that: The interval angles between two adjacent braking grooves are equal.

4. The shock-absorbing luggage caster according to claim 3, characterized in that: The paddle part comprises an upper paddle and a lower paddle.

5. The shock-absorbing luggage caster according to any one of claims 1 to 4, characterized in that: The fixed part is provided with a first limiting part for limiting the rotation of the movable part, and the movable part is provided with a second limiting part matching the first limiting part.

6. The shock-absorbing luggage caster according to claim 5, characterized in that: The movable part is provided with a first gear slot and a second gear slot for the brake pad to rotate into; When the brake block is located in the first gear slot, the wheel can rotate relative to the wheel axle; when the brake block is located in the second gear slot, the wheel cannot rotate relative to the wheel axle.

7. The shock-absorbing luggage caster according to claim 1, characterized in that: The fixing part is provided with a hidden groove for the elastic member to be hidden.

8. The shock-absorbing luggage caster according to claim 1, characterized in that: The elastic member is a compression spring.

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