Universal caster

Abstract

The utility model discloses a universal caster, which relates to the technical field of universal casters and comprises a box body, a plurality of groups of wheel seats are fixedly mounted at the bottom of the box body, a limiting table is fixedly connected in a spherical link metal rod, a mounting rod is fixedly connected in the limiting table, and a pin is mounted in a wheel support main body in a buckling manner. The wheel seat and the wheel support body can be better connected and fixed through the pin, then the hubs on the two sides are installed, a finished wheel set is achieved through the means of spin riveting or pin nuts and the like, the hubs can flexibly move on the ground, and due to the fact that the spherical connecting metal rod is in the spherical design, the wheel seat and the wheel support body are not prone to deformation. A certain clearance space is formed between the wheel support body and the limiting table and between the hole positions designed on the two sides of the spherical mounting groove and the limiting table, so that rotation in any direction can be achieved, and the middle of the connecting piece of the hub is spherical, so that change in any direction can be achieved. When the luggage case is used, the hubs can automatically rotate in any direction according to the height of contact with the ground, so that the hubs at the two ends can be in contact with the ground.

Description

Technical Field

[0001] The utility model relates to the technical field of universal wheel casters, in particular to a universal wheel caster. Background Art

[0002] Universal casters are a common furniture accessory, usually used in flat furniture, cabinets, office chairs and other occasions that need to be moved and fixed. The main feature of universal casters is that they have multiple rotation directions and can move freely in all directions, which is convenient for moving and adjusting the position of furniture. Universal casters are generally composed of wheels and shafts. The wheels can rotate around the axis, and the axis is connected to the bottom of the furniture. The wheels of universal casters are usually made of wear-resistant materials, such as rubber, plastic or nylon, to improve the life and stability of the wheels. In addition, universal casters also have styles with brakes, which can be used when furniture needs to be fixed. Universal casters with brakes can use the brake device to fix the wheels, so that the furniture is fixed in a certain position to prevent sliding or moving.

[0003] However, the luggage wheel sets in the prior art include single wheels (fixed wheels) and universal wheels, and the universal wheels are divided into single wheels and aircraft wheels (also called double-row wheels). In the prior art, all double-row wheels can only bear force on the same plane. When encountering uneven roads, the double-row wheels lose the function of bearing force at the same time, and the wheel that bears force is more likely to break due to increased frequency of use, and it also makes steering and walking of the wheel set more laborious. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a universal caster to solve the technical problem that in the existing technology, all double-row wheels can only bear force in the same plane. When encountering uneven roads, the double-row wheels lose the function of bearing force at the same time, and the wheel that bears force is more likely to break due to increased frequency of use, and it also makes steering and walking of the wheel set more laborious.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a universal caster, comprising a box body, a plurality of sets of wheel seats are fixedly installed on the bottom of the box body, the bottom of the wheel seat is rotatably connected to a wheel bracket body, one side of the wheel bracket body is connected to a wheel bracket assembly, both sides of the wheel bracket body are rotatably connected to wheel hubs through spherical link metal rods, a limiting platform is fixedly connected inside the spherical link metal rod, a mounting rod is fixedly connected inside the limiting platform, and a pin is buckled and installed inside the wheel bracket body.

[0006] By adopting the above technical solution, when in use, the wheel seat and the wheel bracket body can be better connected and fixed by pins, and then the wheel hubs on both sides are installed, and fixed by means of rivets or pin nuts to realize a finished wheel set, and then the wheel seat, the wheel bracket body, the wheel bracket assembly and the wheel hub cooperate with each other, so that the wheel hub can move flexibly on the ground, and because the spherical link metal rod is a spherical design, the holes designed on both sides of the wheel bracket body and the spherical mounting groove have a certain gap space with the limit platform, so it can be rotated in any direction. The middle of the link of this wheel hub is a spherical design so it can change in any direction. When the suitcase is used, the wheel hub will automatically rotate in any direction according to the high and low force of contacting the ground, so that the wheel hubs at both ends can contact the ground.

[0007] The utility model is further configured that a pull rod is movably installed in the box body, and a waterproof film is arranged on the outer surface of the box body.

[0008] By adopting the above technical solution, the box can be flexibly moved and transported through the pull rod, and the waterproof and moisture-proof performance of the box can be improved through the waterproof membrane.

[0009] The utility model is further configured that a connecting rod is rotatably connected to the top of the wheel bracket body, the connecting rod is fixedly connected to the wheel seat, and a first mounting hole cooperating with the connecting rod is located in the wheel bracket body.

[0010] By adopting the above technical solution, the connecting rod and the first mounting hole cooperate with each other so that the wheel bracket body can be flexibly connected and fixed to the wheel seat.

[0011] The utility model is further configured that a gasket used in conjunction with the wheel bracket assembly and the spherical link metal rod is arranged in the wheel hub, and a movable groove used in conjunction with the gasket is opened in the wheel hub.

[0012] By adopting the above technical solution, the gasket and the movable groove cooperate with each other so that the entire wheel hub can be tightly connected and fixed with the wheel bracket body and the wheel bracket assembly.

[0013] The utility model is further configured such that a second mounting hole for cooperating with the pin is provided in the wheel bracket body, a plurality of first screw holes are provided on the wheel bracket body, and a spherical mounting groove for cooperating with the spherical link metal rod is provided in the middle position of the wheel bracket body.

[0014] By adopting the above technical solution, the second mounting hole is used to enable the pin to move in the wheel bracket body, and the spherical mounting groove is used to enable the spherical linking metal rod to be arranged in the wheel hub for movement.

[0015] The utility model is further configured that the wheel bracket assembly is provided with a plurality of groups of second screw holes used in conjunction with the first screw holes.

[0016] By adopting the above technical solution, the first screw hole and the second screw hole cooperate with each other, so that the wheel bracket assembly can be installed on the wheel bracket body for use.

[0017] In summary, the utility model mainly has the following beneficial effects:

[0018] The utility model can better connect and fix the wheel seat and the wheel bracket body through pins, and then install the wheel hubs on both sides, and fix them through means such as screw rivets or pin nuts to realize a finished wheel set. Then, through the mutual cooperation between the wheel seat, the wheel bracket body, the wheel bracket assembly and the wheel hub, the wheel hub can be flexibly moved on the ground. Since the spherical connecting metal rod is spherical in design, the holes designed on both sides of the wheel bracket body and the spherical mounting groove have a certain gap space with the limit platform, so it can be rotated in any direction. The middle of the connecting part of this wheel hub is spherical in design, so it can be changed in any direction. When the suitcase is used, the wheel hub can rotate in any direction according to the high and low forces of contacting the ground, so that the wheel hubs at both ends can contact the ground. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model from a first perspective;

[0020] Figure 2 It is a schematic diagram of the overall structure of the utility model from a second viewing angle;

[0021] Figure 3 This is a schematic diagram of the main structure split effect of the utility model;

[0022] Figure 4 It is a schematic diagram of the main structure of the utility model;

[0023] Figure 5 It is a schematic diagram of the main structural parts of the utility model;

[0024] Figure 6 It is a schematic diagram of the internal effect of the main structure of the utility model;

[0025] Figure 7 This is a schematic diagram of the structure of the wheel bracket assembly of the utility model.

[0026] In the figure: 1. wheel bracket body; 2. wheel bracket assembly; 3. spherical connecting metal rod; 4. wheel hub; 5. gasket; 6. pin; 7. connecting rod; 8. wheel seat; 9. first mounting hole; 10. second mounting hole; 11. first screw hole; 12. spherical mounting groove; 13. second screw hole; 14. limit table; 15. mounting rod; 16. box; 17. pull rod; 18. movable groove. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0028] The following describes an embodiment of the utility model based on its overall structure.

[0029] Universal casters, such as Figure 1-7 As shown, it includes a box body 16, and multiple groups of wheel seats 8 are fixedly installed at the bottom of the box body 16. The bottom of the wheel seat 8 is rotatably connected to the wheel bracket body 1, and a wheel bracket assembly 2 is connected to one side of the wheel bracket body 1. The two sides of the wheel bracket body 1 are rotatably connected to the wheel hub 4 through a spherical link metal rod 3. The spherical link metal rod 3 is fixedly connected to the limit platform 14, and the limit platform 14 is fixedly connected to the installation rod 15. The wheel bracket body 1 is buckled and installed with a pin 6.

[0030] When in use, the wheel seat 8 and the wheel bracket body 1 can be better connected and fixed by the pin 6, and then the wheel hubs 4 on both sides are installed, and fixed by means of rivets or pins 6 nuts to realize a finished wheel set. Then, through the mutual cooperation between the wheel seat 8, the wheel bracket body 1, the wheel bracket assembly 2 and the wheel hub 4, the wheel hub 4 can be flexibly moved on the ground. Since the spherical link metal rod 3 is a spherical design, the holes designed on both sides of the wheel bracket body 1 and the spherical mounting groove 12 have a certain gap space with the limit platform 14, so it can be rotated in any direction. The middle of the link part of this wheel hub 4 is a spherical design, so it can change in any direction. When the suitcase is in use, the wheel hub 4 will automatically rotate in any direction according to the high and low force of contacting the ground, so that the wheel hubs 4 at both ends can contact the ground.

[0031] Furthermore, the pull rod 17 is used to enable the box 16 to be flexibly moved and transported. Secondly, the waterproof membrane can improve the waterproof and moisture-proof performance of the box 16. Then, through the mutual cooperation between the connecting rod 7 and the first mounting hole 9, the wheel bracket body 1 can be flexibly connected and fixed to the wheel seat 8.

[0032] In the utility model, the gasket 5 and the movable groove 18 cooperate with each other so that the entire wheel hub 4 can be tightly connected and fixed with the wheel bracket body 1 and the wheel bracket assembly 2, the second mounting hole 10 is used to allow the pin 6 to move in the wheel bracket body 1, the spherical mounting groove 12 is used to allow the spherical linking metal rod 3 to be set in the wheel hub 4 for movement, and finally the first screw hole 11 and the second screw hole 13 cooperate with each other so that the wheel bracket assembly 2 can be installed on the wheel bracket body 1 for use.

[0033] Although the embodiments of the utility model have been shown and described, this specific embodiment is merely an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.

Claims

1. A universal caster, comprising a housing (16), characterized in that: A plurality of wheel seats (8) are fixedly mounted on the bottom of the box body (16); the wheel seats (8) are rotatably connected to a wheel bracket body (1) at the bottom; a wheel bracket assembly (2) is connected to one side of the wheel bracket body (1); both sides of the wheel bracket body (1) are rotatably connected to wheel hubs (4) via spherical link metal rods (3); a limiting platform (14) is fixedly connected inside the spherical link metal rod (3); a mounting rod (15) is fixedly connected inside the limiting platform (14); and a pin (6) is buckled and mounted inside the wheel bracket body (1).

2. The universal caster according to claim 1, characterized in that: A pull rod (17) is movably installed in the box body (16), and a waterproof membrane is provided on the outer surface of the box body (16).

3. The universal caster according to claim 1, characterized in that: A connecting rod (7) is rotatably connected to the top of the wheel bracket body (1), the connecting rod (7) is fixedly connected to the wheel seat (8), and a first mounting hole (9) for use with the connecting rod (7) is formed in the wheel bracket body (1).

4. The universal caster according to claim 1, characterized in that: A gasket (5) is arranged in the wheel hub (4) for use with the wheel bracket assembly (2) and the spherical link metal rod (3), and a movable groove (18) is provided in the wheel hub (4) for use with the gasket (5).

5. The universal caster according to claim 1, characterized in that: A second mounting hole (10) for use with the pin (6) is provided in the wheel bracket body (1), a plurality of groups of first screw holes (11) are provided on the wheel bracket body (1), and a spherical mounting groove (12) for use with the spherical link metal rod (3) is provided in the middle of the wheel bracket body (1).

6. The universal caster according to claim 5, characterized in that: The wheel bracket assembly (2) is provided with a plurality of groups of second screw holes (13) used in conjunction with the first screw holes (11).

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