Luggage trundle with double-brake function

Abstract

The luggage trundle with the double-brake function comprises a trundle seat and a trundle frame, and the trundle seat is provided with a steering shaft which is connected to the trundle frame in a rotating mode. The wheel carrier is provided with a shaft hole for the steering shaft to insert; a brake mechanism is arranged in the wheel carrier, the brake mechanism comprises a brake pedal, the brake pedal is inserted into the wheel fork rotating lock switch and connected with the wheel fork rotating lock switch through a rivet, the two ends of the rivet are connected with rolling wheels respectively, and brake gear rings are arranged on the inner sides of the rolling wheels; a brake wheel switch is arranged above the wheel fork rotating lock switch, a brake spring is connected between the brake wheel switch and the wheel frame in an abutting mode, and brake clamping heads connected with the brake gear ring in a matched and clamped mode are arranged on the two sides of the brake wheel switch respectively. The top of one end of the wheel fork rotating lock switch is connected with a wheel fork rod, the wheel fork rod penetrates through the wheel frame to be connected with a wheel fork base in a matched mode, and the wheel fork base is fixedly connected to the steering shaft. According to the utility model, the rotation of the wheel carrier and the roller is limited to realize the double-brake effect, so that the brake reliability is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of luggage, and in particular to a luggage caster with double braking functions. Background Art

[0002] Bags are widely used in people's travel and other life areas. During their use, users are often troubled by the bags sliding randomly on uneven roads. Currently, the bag casters on the market are generally equipped with a brake system. The brake system on the existing bag casters can only limit the rotation of the wheel, while the entire wheel frame can also rotate as a whole in the horizontal direction, resulting in poor brake reliability and inconvenience in use.

[0003] Based on the above situation, the utility model proposes a luggage caster with double braking function, which can effectively solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a luggage caster with dual brake function. The utility model provides a luggage caster with dual brake function. When the user steps on the brake pedal, the brake pedal rotates axially along the rivet, and drives the wheel fork rotation lock switch and the brake wheel switch to move upward. At this time, the wheel fork rotation lock switch drives the wheel fork rod to move upward and insert it into the insertion hole of the wheel fork seat, thereby limiting the wheel frame from rotating in the horizontal direction; at the same time, the brake clamps on both sides of the brake wheel switch are engaged with the brake gear ring on the inner side of the roller, thereby limiting the rotation of the roller; the utility model realizes the dual brake effect by limiting the rotation of the wheel frame and the roller, thereby achieving the reliability of the brake.

[0005] The utility model is realized by the following technical solutions:

[0006] A luggage caster with dual brake functions comprises a wheel seat and a wheel frame, the wheel seat is provided with a steering shaft rotatably connected to the wheel frame; the wheel frame is provided with an axial hole for inserting the steering shaft; a brake mechanism is arranged inside the wheel frame, and the brake mechanism comprises a brake pedal, a wheel fork rotation lock switch, a wheel fork seat, a brake wheel switch and a brake spring; the brake pedal is inserted into the interior of the wheel fork rotation lock switch and is connected by rivets, the two ends of the rivet are respectively connected to rollers, and the inner side of the roller is provided with a brake gear ring; a brake wheel switch is arranged above the wheel fork rotation lock switch, a brake spring is abutted between the brake wheel switch and the wheel frame, and brake clamps that are engaged with the brake gear ring are respectively arranged on both sides of the brake wheel switch; a wheel fork rod is connected to the top of one end of the wheel fork rotation lock switch, the wheel fork rod passes through the wheel frame and is engaged with the wheel fork seat, and the wheel fork seat is fixedly connected to the steering shaft.

[0007] According to the above technical solution, as a further preferred technical solution of the above technical solution, the fork seat is provided with a plurality of sockets evenly distributed at equal angles.

[0008] According to the above technical solution, as a further preferred technical solution of the above technical solution, the wheel frame is provided with an installation cavity, and the brake wheel switch is installed in the installation cavity.

[0009] According to the above technical solution, as a further preferred technical solution of the above technical solution, a circular groove for inserting a brake spring is provided in the middle of the brake wheel switch.

[0010] According to the above technical solution, as a further preferred technical solution of the above technical solution, the wheel frame is provided with a through hole for the wheel fork rod to pass through.

[0011] According to the above technical solution, as a further preferred technical solution of the above technical solution, a bearing is arranged between the roller and the rivet.

[0012] According to the above technical solution, as a further preferred technical solution of the above technical solution, the outer side of the roller is snap-connected with a wheel cover.

[0013] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0014] The utility model provides a luggage caster with dual brake functions. When the user steps on the brake pedal, the brake pedal rotates axially along the rivet, and drives the wheel fork rotation lock switch and the brake wheel switch to move upward. At this time, the wheel fork rotation lock switch drives the wheel fork rod to move upward and insert it into the insertion hole of the wheel fork seat, thereby limiting the rotation of the wheel frame in the horizontal direction; at the same time, the brake clamps on both sides of the brake wheel switch are engaged with the brake gear ring on the inner side of the roller, thereby limiting the rotation of the roller; the utility model realizes the dual braking effect by limiting the rotation of the wheel frame and the roller, thereby achieving the reliability of braking. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0017] Figure 3 It is a cross-sectional structural schematic diagram of the utility model;

[0018] Figure 4 This is a schematic diagram of the wheel frame structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the wheel fork seat structure of the utility model;

[0020] Figure 6 This is a schematic diagram of the brake wheel switch structure of the utility model. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solution of the utility model, the preferred implementation scheme of the utility model is described below in conjunction with specific embodiments. However, it should be understood that the drawings are only used for illustrative purposes and cannot be understood as a limitation on this patent. In order to better illustrate this embodiment, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted. The positional relationship described in the drawings is only used for illustrative purposes and cannot be understood as a limitation on this patent.

[0022] like Figures 1 to 6 As shown, the present application provides a luggage caster with dual brake function, including a wheel seat 1 and a wheel frame 2, wherein the wheel seat 1 is provided with a steering shaft 3 rotatably connected to the wheel frame 2; the wheel frame 2 is provided with an axial hole 201 for inserting the steering shaft 3; a brake mechanism is arranged inside the wheel frame 2, and the brake mechanism includes a brake pedal 4, a wheel fork rotation lock switch 5, a wheel fork seat 6, a brake wheel switch 7 and a brake spring 8; the brake pedal 4 is inserted inside the wheel fork rotation lock switch 5 and is connected by a rivet 9, and the two ends of the rivet 9 are respectively connected There is a roller 10, and a brake gear ring 1001 is arranged on the inner side of the roller 10; a brake wheel switch 7 is arranged above the wheel fork rotation lock switch 5, and a brake spring 8 is abutted between the brake wheel switch 7 and the wheel frame 2, and brake clamps 701 that are engaged with the brake gear ring 1001 are respectively arranged on both sides of the brake wheel switch 7; a wheel fork rod 11 is connected to the top of one end of the wheel fork rotation lock switch 5, and the wheel fork rod 11 passes through the wheel frame 2 and is engaged with the wheel fork seat 6, and the wheel fork seat 6 is fixedly connected to the steering shaft 3. The wheel fork seat 6 is provided with a plurality of jacks 601 evenly distributed at equal angles.

[0023] When the user steps on the brake pedal 4, the brake pedal 4 rotates axially along the rivet 9, and drives the wheel fork rotation lock switch 5 and the brake wheel switch 7 to move upward. At this time, the wheel fork rotation lock switch 5 drives the wheel fork rod 11 to move upward and insert it into the insertion hole 601 of the wheel fork seat 6, thereby limiting the rotation of the wheel frame 2 in the horizontal direction; at the same time, the brake clamp heads 701 on both sides of the brake wheel switch 7 are engaged with the brake gear ring 1001 on the inner side of the roller 10, thereby limiting the rotation of the roller 10; the utility model realizes a dual braking effect by limiting the rotation of the wheel frame 2 and the roller 10, thereby achieving the reliability of braking.

[0024] Furthermore, in another embodiment, the wheel frame 2 is provided with a mounting cavity 202 , and the brake wheel switch 7 is installed in the mounting cavity 202 .

[0025] Furthermore, in another embodiment, a circular groove 702 for inserting the brake spring 8 is provided in the middle of the brake wheel switch 7 .

[0026] Furthermore, in another embodiment, the wheel frame 2 is provided with a through hole 203 for the wheel fork rod 11 to pass through.

[0027] Furthermore, in another embodiment, a bearing 12 is provided between the roller 10 and the rivet 9 .

[0028] Further, in another embodiment, the outer side of the roller 10 is buckled and connected with a wheel cover 13. By providing the wheel cover 13, the rivet 8 can be prevented from being exposed, thereby increasing the aesthetics.

[0029] According to the description and drawings of the utility model, those skilled in the art can easily manufacture or use the luggage caster with double brake function of the utility model, and can produce the positive effects recorded in the utility model.

[0030] Unless otherwise specified, in the present invention, the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicating orientation or positional relationships are based on the orientation or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the orientation or positional relationship in the present invention are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood in conjunction with the drawings and according to specific circumstances.

[0031] Unless otherwise specified and limited, in the present invention, the terms "disposed", "connected" and "connected" 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 directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A luggage caster with dual brake function, characterized in that: The invention comprises a wheel seat (1) and a wheel frame (2), wherein the wheel seat (1) is provided with a steering shaft (3) rotatably connected to the wheel frame (2); the wheel frame (2) is provided with an axial hole (201) for inserting the steering shaft (3); a brake mechanism is arranged inside the wheel frame (2), and the brake mechanism comprises a brake pedal (4), a wheel fork rotation lock switch (5), a wheel fork seat (6), a brake wheel switch (7) and a brake spring (8); the brake pedal (4) is inserted into the wheel fork rotation lock switch (5) and connected by a rivet (9), and rollers (10) are connected to the two ends of the rivet (9), and the rollers (10) are connected to the two ends of the rivet (9). A brake gear ring (1001) is arranged on the inner side of the wheel fork rotation lock switch (10); a brake wheel switch (7) is arranged above the wheel fork rotation lock switch (5), a brake spring (8) is abutted between the brake wheel switch (7) and the wheel frame (2), and brake clamps (701) that are engaged with the brake gear ring (1001) are respectively arranged on both sides of the brake wheel switch (7); a wheel fork rod (11) is connected to the top of one end of the wheel fork rotation lock switch (5), the wheel fork rod (11) passes through the wheel frame (2) and is engaged with the wheel fork seat (6), and the wheel fork seat (6) is fixedly connected to the steering shaft (3).

2. The luggage caster with dual brake function according to claim 1, characterized in that: The wheel fork seat (6) is provided with a plurality of insertion holes (601) evenly distributed at equal angles.

3. The luggage caster with dual brake function according to claim 1, characterized in that: The wheel frame (2) is provided with a mounting cavity (202), and the brake wheel switch (7) is mounted in the mounting cavity (202).

4. The luggage caster with dual brake function according to claim 1, characterized in that: A circular groove (702) for inserting a brake spring (8) is provided in the middle of the brake wheel switch (7).

5. The luggage caster with dual brake function according to claim 1, characterized in that: The wheel frame (2) is provided with a through hole (203) for the wheel fork rod (11) to pass through.

6. The luggage caster with dual brake function according to claim 1, characterized in that: A bearing (12) is provided between the roller (10) and the rivet (9).

7. The luggage caster with dual brake function according to claim 1, characterized in that: The outer side of the roller (10) is buckled and connected with a wheel cover (13).

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