A caster structure capable of quick disassembly

Abstract

The utility model discloses a can realize quick disassembly's trundle structure, include: moving wheel subassembly, with the first connecting piece of box body fixed connection, the first connecting piece is equipped with the T type track groove of length direction extension, with the second connecting piece of moving wheel subassembly fixed connection, the second connecting piece is equipped with the T type guide portion of with the T type track groove is adapted, T type guide portion slidingly inserts in the T type track groove, locking mechanism, including locking block and with locking bolt, the second connecting piece is equipped with the installation groove, locking block can be slidably arranged in the installation groove, through the screw locking bolt to drive locking block to compress in the inner wall of T type track groove, the utility model discloses through the sliding insertion cooperation of the T type track groove of first connecting piece and the T type guide portion of second connecting piece, and combine the locking mechanism of radial operation, through the screw locking bolt can complete operation, realized the quick installation and disassembly of moving wheel subassembly.

Description

Technical Field

[0001] This utility model relates to the field of mobile support technology for box-type equipment, and in particular to a caster structure that can be quickly disassembled. Background Technology

[0002] In practical use, display cases and other cabinet-type equipment often need to balance ease of movement with stability when stationary. Therefore, a common practice is to install casters on the bottom of the cabinet for flexible movement, while locking or removing the casters when a fixed position is required to prevent accidental sliding and ensure operational safety and display effectiveness.

[0003] Currently, the caster installation method for this type of enclosure typically involves using multiple bolts to directly secure the caster assembly to the bottom of the enclosure. While this method is structurally simple, the disassembly and installation process is cumbersome. Operators must use tools to tighten or loosen multiple bolts one by one, which is time-consuming and labor-intensive, making rapid installation and disassembly impossible. This design severely impacts work efficiency, especially in scenarios requiring frequent movement and fixation. Furthermore, bolts are prone to stripping and corrosion during repeated disassembly and assembly, leading to decreased connection reliability and increased maintenance costs.

[0004] Existing technologies typically use casters with brakes, which can avoid disassembly to some extent, but their braking effect is easily lost due to uneven ground or vibration, and stability and reliability are still difficult to guarantee; moreover, the braking mechanism is prone to wear after long-term load-bearing, posing a safety hazard.

[0005] Therefore, given the shortcomings of existing caster assemblies in terms of disassembly and assembly efficiency, connection reliability, and functional integration, there is an urgent need for a new type of caster structure that can achieve rapid disassembly and assembly, and provide stable support for the enclosure after disassembly to prevent wear and tear on the enclosure, thereby providing an integrated solution for movement, fixation, and support needs. Utility Model Content

[0006] To solve the above-mentioned technical problems, this utility model provides a caster structure that can be quickly disassembled.

[0007] The technical solution of this utility model includes:

[0008] Moving wheel assembly;

[0009] A first connector is fixedly connected to the housing, and the first connector is provided with a T-shaped track groove extending along the length direction;

[0010] A second connector is fixedly connected to the movable wheel assembly. The second connector is provided with a T-shaped guide portion that is adapted to the T-shaped track groove. The T-shaped guide portion is slidably inserted into the T-shaped track groove.

[0011] The locking mechanism includes a locking block and a locking bolt threadedly connected to the locking block;

[0012] The second connector is provided with a mounting groove, and the locking block is slidably disposed in the mounting groove; the locking block is driven to press against the inner wall of the T-shaped track groove by turning the locking bolt.

[0013] A further technical solution is as follows: the second connector further includes a connecting base, which is connected to the bottom of the T-shaped guide and has a radial width greater than the radial width of the T-shaped guide, thereby forming a radially outwardly extending shoulder at the junction of the two; the mounting groove extends in the width direction along the shoulder on one side.

[0014] The end of the locking bolt abuts against the corresponding shoulder, and tightening the locking bolt drives the locking block to continue moving toward the shoulder to press against the inner wall of the T-shaped track groove.

[0015] A further technical solution is that the end of the locking block that contacts the inner wall of the T-shaped track groove is provided with an arc-shaped pressing surface, and the curvature of the arc-shaped pressing surface is adapted to the curvature of the inner wall of the T-shaped track groove.

[0016] A further technical solution is that a spring is sleeved on the outer periphery of the locking bolt, and the two ends of the spring abut against the end of the locking bolt and the corresponding shoulder.

[0017] A further technical solution is that the second connector has a through-type reinforcing cavity along its length, which divides the T-shaped guide into two independent left T-shaped guides and right T-shaped guides.

[0018] A further technical solution is that the reinforcing cavity divides the horizontal base into two independent left bases and right bases.

[0019] A further technical solution is that the left T-shaped guide, the right T-shaped guide, the left base, and the right base are all provided with independent auxiliary cavities.

[0020] A further technical solution is as follows: the four sets of the moving wheel assemblies are distributed at the four corners of the bottom of the box, each moving wheel assembly includes a mounting base, the bottom of the mounting base is rotatably connected to the walking wheel through the wheel axle, and the top of the mounting base is fixed to the bottom of the second connecting member through the mounting plate.

[0021] A further technical solution is that: the T-shaped track groove of the first connector has downwardly extending support legs on both sides; when the second connector is disassembled, the support legs are used to support the box body.

[0022] A further technical solution is that the protruding shoulders on both sides abut against the bottom end faces of the two supporting legs respectively.

[0023] A further technical solution is that the first connector and / or the second connector are profile parts.

[0024] The beneficial technical effects of this utility model are as follows: Through the sliding insertion and engagement of the T-shaped track groove of the first connecting member and the T-shaped guide portion of the second connecting member, combined with a radially operated locking mechanism, locking can be completed simply by turning the locking bolt, greatly improving convenience and making the switching between moving and fixed states simple and efficient, achieving rapid assembly and disassembly of the moving wheel assembly. After disassembling the second connecting member, the downward-extending support leg of the first connecting member can directly support the ground as a foot, not only avoiding direct contact and wear between the bottom of the box and the ground, but also making disassembly and installation more flexible and functionally integrated. By setting through-through reinforcing cavities and auxiliary cavities in the second connecting member, a double-beam main structure is formed, achieving structural lightweighting while ensuring structural strength and reducing the burden of handling. The first and second connecting members are made of profile components, which are low in cost and can be widely used in various stall boxes and other scenarios where the moving wheel assembly needs to be frequently disassembled and assembled, demonstrating good versatility. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall structure and installation position of this utility model;

[0026] Figure 2 This is a schematic diagram of the overall structure of this utility model;

[0027] Figure 3 This is an exploded view of the overall structure of this utility model;

[0028] The components include: 1. Moving wheel assembly; 11. Mounting base; 12. Walking wheel; 13. Mounting plate; 2. First connecting piece; 21. Mounting plane; 22. T-shaped track groove; 23. Support leg; 3. Second connecting piece; 31. T-shaped guide part; 32. Horizontal base; 33. Shoulder; 34. Reinforcing cavity; 35. Auxiliary cavity; 4. Locking mechanism; 41. Locking bolt; 42. Locking block; 43. Arc-shaped pressing surface; 44. Internal threaded through hole; 45. Spring; 5. Mounting groove. Detailed Implementation

[0029] In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, the specific embodiments of this utility model will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit the scope of this utility model.

[0030] like Figures 1 to 3As shown, the present invention provides a caster structure that can be quickly disassembled, which is suitable for the movement and fixation of boxes such as stall boxes. The structure is distributed at the four corners of the bottom of the box and includes a moving wheel assembly 1, a first connecting member 2 fixedly connected to the bottom of the box, and a second connecting member 3 fixedly connected to the moving wheel assembly 1. The first connecting member 2 and the second connecting member 3 are detachably connected by a locking mechanism 4.

[0031] Specifically, the movable wheel assembly 1 includes a mounting base 11, the bottom of which is rotatably connected to a walking wheel 12 via a wheel axle, and the top of the mounting base 11 is fixed to the bottom of the second connecting member 3 via a mounting plate 13.

[0032] The first connector 2 is a long strip structure, with its top located on an mounting plane 21 fixed to the bottom of the housing. A T-shaped track groove 22 extending along the length direction is formed at the center of the bottom. Long, strip-shaped support legs 23 extending along the length direction are formed on both sides of the T-shaped track groove 22. When the moving wheel assembly 1 is disassembled, the support legs 23 directly support the ground, maintaining the stability of the housing.

[0033] The second connector 3 is also a long strip structure, with a T-shaped guide 31 at the top. The cross-section of the T-shaped guide 31 matches the T-shaped track groove 22, and the T-shaped guide 31 can slide into the T-shaped track groove 22 along its length to achieve initial connection and vertical positioning. The lower part of the second connector 3 is a horizontal base 32 connected to the T-shaped guide 31. The radial width of the horizontal base 32 is greater than that of the T-shaped guide 31, thus forming a shoulder 33 at the junction of the two, extending horizontally outward along the T-shaped guide 31. When the T-shaped guide 31 of the second connector 3 is fully slid into the T-shaped track groove 22 of the first connector 2, the shoulders 33 on both sides abut against the bottom end faces of the two support legs 23, greatly improving the stability and reliability of the structure.

[0034] The second connector 3 has a reinforcing cavity 34 extending along its length in the center. The reinforcing cavity 34 divides the T-shaped guide portion 31 into an independent left T-shaped guide portion and a right T-shaped guide portion along its length, and also divides the lower horizontal base portion 32 into a left base portion and a right base portion. This split design not only significantly reduces weight, but also forms a double beam structure extending along its length, enhancing the bending and torsional resistance of the second connector 3.

[0035] The left T-shaped guide, the right T-shaped guide, the left base, and the right base are each provided with an independent auxiliary cavity 35, which further achieves lightweighting while ensuring the overall structural strength.

[0036] The T-shaped guide portion 31 has a mounting groove 5 in its middle. The mounting groove 5 extends in the width direction along one side of the shoulder 33 and passes through the top of the T-shaped guide portion 31 and the bottom of the horizontal base 32 in the height direction. The locking mechanism 4 includes a locking bolt 41 and a locking block 42. The locking block 42 slides in the mounting groove 5 in the width direction. The upper part of the locking block 42 has an arc-shaped pressing surface 43 that matches the curvature of the inner wall of the T-shaped track groove 22 to achieve a large-area surface contact during pressing. The lower end has a radially penetrating internal threaded through hole 44. The locking bolt 41 is screwed in radially from the corresponding side shoulder 33, passes through the shoulder 33, and is threadedly connected to the internal threaded through hole 44 at the lower end of the locking block 42.

[0037] When the locking bolt 41 is tightened, the locking block 42 moves radially toward the shoulder 33 until its lower part abuts against and presses against the radial inner side of the shoulder 33. At the same time, the upper arc-shaped pressing surface 43 of the locking block 42 abuts against and presses against the inner wall of the T-shaped track groove 22, while the end of the locking bolt 41 abuts against the radial outer side of the shoulder 33, thereby locking and fixing the first connecting member 2 and the second connecting member 3.

[0038] When the locking bolt 41 is turned in the opposite direction, the locking block 42 is pushed to move away from the shoulder 33 along the mounting groove 5, so that the upper arc-shaped pressing surface 43 of the locking block 42 is disengaged from the T-shaped track groove 22, thereby releasing the locking of the first connecting piece 2 and the second connecting piece 3.

[0039] In this embodiment, the locking bolt 41 is a handle screw for easy manual tightening.

[0040] Preferably, a spring 45 is sleeved on the outer periphery of the locking bolt 41. The two ends of the spring 45 abut against the corresponding shoulder 33 and the end of the locking bolt 41, respectively. The spring 45 continuously applies a pushing force to the end of the locking bolt, thereby increasing the friction between the threads and preventing the locking bolt 41 from loosening spontaneously due to vibration or shaking during use, thus improving the reliability of the locking structure 4.

[0041] In this embodiment, the first connector 2 and / or the second connector 3 are profile parts.

[0042] In this embodiment, the locking mechanism 4 achieves reliable locking and convenient assembly / disassembly of the first connecting member 2 and the second connecting member 3 through radial clamping force. It has a simple structure, is easy to operate, and has good stability and practicality.

[0043] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A caster structure that enables quick disassembly, characterized in that, include: Moving wheel assembly (1); A first connector (2) is fixedly connected to the housing, and the first connector (2) is provided with a T-shaped track groove (22) extending along the length direction; A second connector (3) is fixedly connected to the moving wheel assembly (1). The second connector (3) is provided with a T-shaped guide (31) that is adapted to the T-shaped track groove (22). The T-shaped guide (31) is slidably inserted into the T-shaped track groove (22). The locking mechanism (4) includes a locking block (42) and a locking bolt (41) threadedly connected to the locking block (42). The second connector (3) is provided with a mounting groove (5), and the locking block (42) is slidably disposed in the mounting groove (5); by turning the locking bolt (41), the locking block (42) is driven to press against the inner wall of the T-shaped track groove (22).

2. The caster structure capable of quick disassembly according to claim 1, characterized in that: The second connector (3) also includes a horizontal base (32), which is connected to the bottom of the T-shaped guide (31) and has a radial width greater than that of the T-shaped guide (31), thereby forming a radially outwardly extending shoulder (33) at the junction of the two; the mounting groove (5) extends in the width direction along the shoulder (33) on one side; The end of the locking bolt (41) abuts against the shoulder (33) on the corresponding side. Tightening the locking bolt (41) drives the locking block (42) to continue moving toward the shoulder (33) and pressing against the inner wall of the T-shaped track groove (22).

3. The caster structure capable of quick disassembly according to claim 2, characterized in that: The locking block (42) has an arc-shaped pressing surface (43) at the end that contacts the inner wall of the T-shaped track groove (22), and the curvature of the arc-shaped pressing surface (43) is adapted to the curvature of the inner wall of the T-shaped track groove (22).

4. The caster structure capable of quick disassembly according to claim 2, characterized in that: A spring (45) is fitted around the outer periphery of the locking bolt (41), and the two ends of the spring (45) abut against the end of the locking bolt (41) and the corresponding shoulder (33).

5. The caster structure capable of quick disassembly according to claim 2, characterized in that: The second connector (3) has a through-through reinforcing cavity (34) along its length direction, the reinforcing cavity (34) dividing the T-shaped guide (31) into two independent left T-shaped guides and right T-shaped guides.

6. The caster structure capable of quick disassembly according to claim 5, characterized in that: The reinforced cavity (34) divides the horizontal base into two independent left bases and right bases.

7. The caster structure capable of quick disassembly according to claim 1, characterized in that: The four sets of moving wheel assemblies (1) are distributed at the four corners of the bottom of the box. Each moving wheel assembly (1) includes a mounting base (11). The bottom of the mounting base (11) is rotatably connected to a walking wheel (12) via a wheel axle. The top of the mounting base (11) is fixed to the bottom of the second connecting member (3) via a mounting plate (13).

8. The caster structure capable of quick disassembly according to claim 2, characterized in that: The first connector (2) has downwardly extending support legs (23) on both sides of the T-shaped track groove (22); when the second connector (3) is disassembled, the support legs (23) are used to support the box body.

9. A caster structure capable of quick disassembly according to claim 8, characterized in that: The protruding shoulders (33) on both sides abut against the bottom end faces of the two supporting legs (23).

10. The caster structure capable of quick disassembly according to claim 1, characterized in that: The first connector (2) and / or the second connector (3) are profile parts.

Images