Universal hardware trundle

Abstract

The utility model discloses a universal hardware trundle which comprises a mounting plate, and the bottom of the mounting plate is fixedly connected with a connecting sleeve. In the actual use process, the connecting column is connected with the fixed column through the connecting plate, the first ball on the rotating column on the fixed column rolls in the first circular groove, the connecting frame is connected with the trundle through the connecting rod, and when the trundle rotates, the connecting column rotates along with the trundle to drive related parts on the connecting plate to move, so that the trundle is fixed. On a support at the bottom of a connecting plate, a second ball rolls in a second circular groove, when the trundle shakes, the trundle pushes the second ball, the second ball slides at the bottom of the support through a sliding rod, the sliding rod slides outwards to extrude a spring, and the spring is limited by a limiting ring to be compressed and then reversely pushes the second ball through rebound resilience. The problems that a trundle in an existing device is poor in stability, unbalanced in bearing capacity and prone to swinging left and right are solved through cooperation of the trundles, and the stability of the trundle in the using process is improved.

Description

Technical Field

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

[0002] Casters are a common mechanical accessory, primarily used to attach to the bottom of an object to facilitate its movement. They are widely used on furniture, logistics carts, shelves, instruments, and other objects that require easy movement. When an object moves or turns, the caster's rotating mechanism must operate to enable the object to turn.

[0003] After searching, the Chinese patent with the announcement number: CN112172411A discloses a universal caster. The patent records that by providing a cutting knife, the gap between the arc surface and the No. 1 load-bearing roller is gradually increased toward the top of the No. 1 load-bearing roller. On the one hand, the gap can avoid the friction caused by the direct contact between the arc surface and the outer surface of the No. 1 load-bearing roller, which would affect the normal operation of the No. 1 load-bearing roller. On the other hand, the smaller gap on the outside will not allow too much grass to be placed on the No. 1 load-bearing roller. Combined with the slope provided on the end of the cutting knife, when there is too much entangled grass, it will be removed along the slope, thereby improving the removal efficiency and reducing the chance of jamming. The universal caster on the suitcase can also be used normally in grasslands, which increases the scope of use and practicality of the universal caster.

[0004] In this solution, although the entangled grass can be removed quickly to avoid getting stuck, the universal caster will swing left and right and jump up and down due to the large gap when in use, causing the object to jump. In order to solve this technical problem, the utility model proposes a universal hardware caster. Utility Model Content

[0005] (1) Technical problems solved

[0006] In this solution, although the entangled grass can be removed quickly to avoid getting stuck, the universal caster will swing left and right and jump up and down due to the large gap when in use, causing the object to jump. In order to solve this technical problem, the utility model proposes a universal hardware caster.

[0007] (2) Technical solution

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: a universal hardware caster, including a mounting plate, a connecting sleeve fixedly connected to the bottom of the mounting plate, a bearing fixedly connected to the inside of the connecting sleeve, a connecting column fixedly connected to the inside of the bearing, a connecting plate fixedly connected to the outer walls on both sides of the connecting column, each of the connecting plates is fixedly connected to the top of the fixing column, the top of the fixing column is rotatably connected to the rotating column, the other end of the rotating column is rotatably connected to a ball bearing, and a circular groove is provided on the outside of the connecting sleeve, each of the connecting plates is fixedly connected to the bottom of the connecting frame, a connecting rod is rotatably connected between the bottoms of the connecting frames on both sides, and the outer side wall of the connecting rod is fixedly connected to the caster.

[0009] Preferably, the ball 1 corresponds to the circular groove 1, and the ball 1 is slidably connected in the circular groove 1.

[0010] Preferably, a pair of brackets are fixedly connected to the bottom of the connecting plates on both sides, a sliding rod is slidably connected inside the bottom end of the bracket, and a second ball is rotatably connected to the other end of the sliding rod.

[0011] Preferably, a circular groove 2 is provided on both sides of the caster, and the ball 2 corresponds to the circular groove 2, and the ball 2 is slidably connected inside the circular groove 2.

[0012] Preferably, the outer wall of the slide rod is fixedly connected to a limiting ring, a spring is fixedly connected between the limiting ring and the bracket, and the spring is sleeved on the outer wall of the slide rod.

[0013] Preferably, screws are provided at the four corners of the mounting plate.

[0014] (3) Beneficial effects

[0015] The utility model provides a universal hardware caster with the following beneficial effects:

[0016] (1) The connecting column is connected to the fixed column through the connecting plate. The ball 1 on the rotating column on the fixed column rolls inside the circular groove 1. The connecting frame is connected to the caster through the connecting rod. When the caster rotates, the connecting column will rotate accordingly, driving the relevant components on the connecting plate to move. On the bracket at the bottom of the connecting plate, the ball 2 rolls in the circular groove 2. When the caster shakes, the caster will push the ball 2. The ball 2 slides at the bottom of the bracket through the sliding rod. The sliding rod slides outward to squeeze the spring. After being compressed under the restriction of the limit ring, the spring pushes the ball 2 in the opposite direction by virtue of its rebound elasticity. The cooperation between them solves the problems of poor stability, uneven load-bearing capacity and easy left and right swinging of the caster in the existing device, improves the stability of the caster during use, protects the equipment, and extends the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall side structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the bottom structure of the mounting plate of the utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of the bracket of the utility model.

[0021] In the figure: 1. Mounting plate; 2. Screw; 3. Connecting sleeve; 4. Circular groove 1; 5. Bearing; 6. Connecting column; 7. Connecting plate; 8. Fixed column; 9. Rotating column; 10. Ball bearing 1; 11. Connecting frame; 12. Connecting rod; 13. Caster; 14. Bracket; 15. Sliding rod; 16. Spring; 17. Limiting ring; 18. Ball bearing 2; 19. Circular groove 2. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0023] See also Figure 1-4 , the utility model provides a technical solution:

[0024] Embodiment 1: Universal hardware caster, including a mounting plate 1, a connecting sleeve 3 is fixedly connected to the bottom of the mounting plate 1, a bearing 5 is fixedly connected to the inside of the connecting sleeve 3, a connecting column 6 is fixedly connected to the inside of the bearing 5, a connecting plate 7 is fixedly connected to the outer walls of both sides of the connecting column 6, each connecting plate 7 is fixedly connected to the top of a fixed column 8, the top of the fixed column 8 is rotatably connected to a rotating column 9, and the other end of the rotating column 9 is rotatably connected to a ball 10, while a circular groove 4 is opened on the outside of the connecting sleeve 3, each connecting plate 7 is fixedly connected to a connecting frame 11 at the bottom, a connecting rod 12 is rotatably connected between the bottoms of the connecting frames 11 on both sides, and a caster 13 is fixedly connected to the outer wall of the connecting rod 12, Ball 10 corresponds to circular groove 14, and ball 10 is slidably connected in circular groove 14. A pair of brackets 14 are fixedly connected to the bottom of the connecting plates 7 on both sides. A slide rod 15 is slidably connected to the bottom of the bracket 14, and the other end of the slide rod 15 is rotatably connected to ball 2 18. Circular groove 2 19 is provided on both sides of the caster 13. Ball 2 18 corresponds to circular groove 2 19, and ball 2 18 is slidably connected to the inside of circular groove 2 19. The outer wall of the slide rod 15 is fixedly connected to a limit ring 17, and a spring 16 is fixedly connected between the limit ring 17 and the bracket 14. At the same time, the spring 16 is sleeved on the outer wall of the slide rod 15, and screws 2 are provided at the four corners of the mounting plate 1.

[0025] Install mounting plate 1 on the bottom of the device and secure it securely with screws 2. Caster 13 is secured to connecting frame 11 via connecting rod 12, which in turn is secured to connecting column 6 via connecting plate 7. Connecting column 6 can rotate within connecting sleeve 3 via bearing 5, allowing caster 13 to rotate at multiple angles. When connecting column 6 rotates, it drives fixed column 8 on connecting plate 7 along with it. As fixed column 8 rotates, ball bearing 10 on rotating column 9 is retained within circular groove 14, evenly distributing the force of gravity on both sides of connecting plate 7 and maintaining consistent direction during left and right rotation. As caster 13 rotates, ball bearing 2 18 on the bottom bracket 14 of connecting plate 7 is also retained within circular groove 2 19. When caster 13 shakes, it pushes against ball bearing 2 18 on either side, which then slides along the bottom of bracket 14 via slide rod 15. When the slide bar 15 slides outward, it compresses the spring 16 located between the bracket 14 and the retaining ring 17. The spring 16, in turn, uses its resilience to push the ball bearing 18 in the opposite direction, thereby correcting the direction of the caster 13. The interaction between these components ensures the stability of the caster 13 during use, effectively preventing it from swinging sideways. This design also disperses the primary load of gravity on the caster 13, protecting the equipment and extending its service life.

[0026] Working principle: first install the mounting plate 1 on the bottom of the equipment and fix it with screws 2. The caster 13 is fixed to the connecting frame 11 through the connecting rod 12. The connecting frame 11 is fixed to the connecting column 6 through the connecting plate 7. The connecting column 6 rotates in the connecting sleeve 3 through the bearing 5, so that the caster 13 can rotate at multiple angles. When the connecting column 6 rotates, it will drive the fixed column 8 on the connecting plate 7 to rotate. When the fixed column 8 rotates, the ball 10 on the rotating column 9 is limited in the circular groove 4, so that the gravity can be distributed on the connecting plates 7 on both sides, and the direction can be kept consistent when rotating left and right. When the caster 13 rotates, the second ball 18 on the bracket 14 at the bottom of the connecting plate 7 is also limited in the second circular groove 19. When the caster 13 shakes, it pushes the second ball 18 on both sides. The second ball 18 slides at the bottom of the bracket 14 through the slide bar 15. When the slide bar 15 slides outward, it squeezes the spring 16 between the bracket 14 and the limiting ring 17. The rebound resilience of the spring 16 pushes the second ball 18 in the opposite direction, thereby correcting the direction of the caster 13. Through the cooperation between them, the stability of the caster 13 during use is achieved, and the left and right swinging is avoided. At the same time, the gravity mainly borne by the caster 13 is dispersed, thereby protecting the equipment.

[0027] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. Universal hardware caster, characterized by: The invention comprises a mounting plate (1), wherein the bottom of the mounting plate (1) is fixedly connected to a connecting sleeve (3), the interior of the connecting sleeve (3) is fixedly connected to a bearing (5), the interior of the bearing (5) is fixedly connected to a connecting column (6), the outer walls on both sides of the connecting column (6) are fixedly connected to connecting plates (7), the top of each connecting plate (7) is fixedly connected to a fixing column (8), the top of the fixing column (8) is rotatably connected to a rotating column (9), the other end of the rotating column (9) is rotatably connected to a ball (10), and a circular groove (4) is provided on the outside of the connecting sleeve (3), the bottom of each connecting plate (7) is fixedly connected to a connecting frame (11), the bottoms of the connecting frames (11) on both sides are rotatably connected to a connecting rod (12), and the outer side wall of the connecting rod (12) is fixedly connected to a caster (13).

2. The universal hardware caster according to claim 1, characterized in that: The ball one (10) corresponds to the circular groove one (4), and the ball one (10) is slidably connected in the circular groove one (4).

3. The universal metal caster according to claim 1, characterized in that: A pair of brackets (14) are fixedly connected to the bottom of the connecting plates (7) on both sides, and a sliding rod (15) is slidably connected inside the bottom end of the bracket (14), and the other end of the sliding rod (15) is rotatably connected to a second ball (18).

4. The universal hardware caster according to claim 1, characterized in that: A second circular groove (19) is provided on both sides of the caster (13), and a second ball (18) corresponds to the second circular groove (19), and the second ball (18) is slidably connected inside the second circular groove (19).

5. The universal hardware caster according to claim 3, characterized in that: The outer wall of the slide rod (15) is fixedly connected to a limiting ring (17), and a spring (16) is fixedly connected between the limiting ring (17) and the bracket (14), and the spring (16) is sleeved on the outer wall of the slide rod (15).

6. The universal hardware caster according to claim 1, characterized in that: Screws (2) are provided at the four corners of the mounting plate (1).

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