High-bearing industrial universal trundle
The design of the top ball bearing and ball bearing ring solves the problem of ball groove wear in swivel casters under high loads, achieving high load-bearing capacity and stability, and extending the service life of swivel casters.
Patent Information
- Application Number
- CN202520580491.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-31
AI Technical Summary
Under high loads, the edges of the ball bearing grooves on existing swivel casters are prone to wear or deformation, leading to structural damage.
It adopts a top ball bearing and ball ring design. The top ball bearing rolls inside the ball groove to apply pressure evenly. Combined with the design of brake ring and magnet, it realizes omnidirectional movement and braking function, and the lubrication structure extends its service life.
It effectively prevents wear and deformation of the ball grooves, improves the load-bearing capacity and service life of the swivel casters, and enhances the stability and durability of the structure.
Smart Images

Figure CN223803340U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of universal wheels, in particular to a high-load-bearing industrial universal caster. BACKGROUND
[0002] The universal caster, also known as a movable caster or a directional wheel, is a wheel device widely used in various moving objects. In industrial production, the universal caster is often used to transport various industrial equipment, and therefore needs to have high load bearing capacity.
[0003] In the related art, the connecting part of the roller leg and the top end thereof is inclined, and when high load is borne, the bottom column serving as the central shaft and the bottom plate are prone to breakage. In order to increase the strength of the caster frame and the ring seat structure, for example, the patent with the publication number CN221090369U provides a high-load-bearing industrial universal caster. The device is connected between the caster frame and the ring seat through ball rotation, has simple structure, high connection strength between the caster frame and the ring seat, improved load bearing capacity of the universal caster, simple structure of the rotation connection between the caster frame and the ring seat, convenient assembly, the ring seat has a ring structure and does not have a central shaft, has high structural strength and is not prone to damage, the lubricating performance of the rotation connection between the disc seat and the ring seat is increased through the oil storage grooves, the bearing is lubricated through the oil injection hole and the oil passage provided in the bolt shaft, the lubricating performance of the bearing is improved, the friction damage generated when the universal caster moves is reduced, the universal caster has good durability, the two bearings provided in the roller are rotationally connected with the top sleeve on the bolt shaft, wear of the bearings on the bolt shaft and the roller leg on the caster frame is avoided, the top sleeve as a vulnerable part is convenient to replace, and the universal caster is convenient to maintain.
[0004] Although the above-mentioned prior art solution improves the load bearing capacity of the universal caster by rotating the caster frame and the ring seat through balls, in the use process of the universal caster, the ring seat is connected with an external industrial equipment, the ring seat bears a relatively heavy load, the ring seat always presses the balls, the ball grooves on the caster frame and the ring seat form a shearing force on the balls, and the edges of the ball grooves are prone to wear or deformation during long-term use.
[0005] In view of this, the application provides a high-load-bearing industrial universal caster. CONTENT OF THE UTILITY MODEL
[0006] 1. TECHNICAL PROBLEM TO BE SOLVED
[0007] The application aims to provide a high-load-bearing industrial universal caster, and solves the technical problem that the ball grooves on the caster frame and the ring seat form a shearing force on the balls, and the edges of the ball grooves are prone to wear or deformation during long-term use.
[0008] 2. TECHNICAL SCHEME
[0009] The application provides a high-load industrial universal caster, which comprises the following:
[0010] a wheel frame;
[0011] a wheel body arranged on the inner side of the wheel frame;
[0012] a rotating shaft fixedly arranged on the top of the wheel frame, and a plurality of side rolling balls arranged on the outer side of the rotating shaft;
[0013] a rolling ball ring disc fixedly arranged on the top of the rotating shaft, and a plurality of top rolling balls arranged on the top of the rolling ball ring disc;
[0014] a shaft sleeve sleeved on the outer side of the rotating shaft;
[0015] a mounting plate fixedly arranged on the top of the shaft sleeve, and used for fixing the equipment and the external industrial equipment.
[0016] As an optional solution of the technical scheme of the application, the bottom of the shaft sleeve is detachably provided with a fixing seat, the inner side of the shaft sleeve is provided with a rolling ball groove A matched with the top rolling balls, and the inner side of the shaft sleeve is further provided with a rolling ball groove B matched with the side rolling balls.
[0017] As an optional solution of the technical scheme of the application, a connecting shaft is rotatably arranged in the wheel body, and the wheel body is rotatably arranged on the inner side of the wheel frame through the connecting shaft.
[0018] As an optional solution of the technical scheme of the application, brake rings B are fixedly arranged on the two sides of the wheel body, magnets are fixedly arranged on the two sides of the wheel frame, two limiting frames are fixedly arranged on the two sides of the wheel frame, inclined blocks A are slidably arranged on the inner sides of the limiting frames, brake rings A are fixedly arranged on the inner sides of the inclined blocks A, and the four inclined blocks A are moved under the action of external force.
[0019] As an optional solution of the technical scheme of the application, fixed rods are fixedly arranged on the two sides of the wheel frame, slide opening plates are slidably arranged on the two ends of the two fixed rods, inclined blocks B are fixedly arranged on the bottom of the four slide opening plates and correspond to the inclined blocks A, slide rings are fixedly arranged on the top of the four slide opening plates, the slide rings are rotatably arranged on the bottom of a fixed ring, four connecting plates are fixedly arranged on the top of the fixed ring, a pressing frame is fixedly arranged on the top of the four connecting plates, and the pressing frame can be moved under the action of external force.
[0020] As an optional solution of the technical scheme of the application, corresponding two slide opening plates are fixedly provided with a baffle on the outer side, and the outer side of the shaft sleeve is fixedly provided with four fixed frames corresponding to the four connecting plates.
[0021] As an optional scheme of the technical scheme of the application, an oil hole is formed in the top of the rotating shaft, an oil inlet pipe is arranged on the outer side of the rotating shaft, the oil inlet pipe is communicated with the oil hole, a plurality of oil holes are formed in the outer side of the rotating shaft corresponding to the ball ring disc, and a plug column is fixedly arranged on the inner side of the shaft sleeve.
[0022] 3. Beneficial effects
[0023] The one or more technical schemes provided in the embodiments of the application have at least the following technical effects or advantages:
[0024] (1) The application adopts a group of top balls, the top balls roll on the top of the ball ring disc and the inner side of the ball groove A, so that the rotating shaft can drive the wheel frame to rotate in the inner side of the shaft sleeve, the effect of universal movement of the wheel body is met, the equipment is installed with the external industrial equipment through the mounting plate, the top balls uniformly press the ball ring disc, and therefore the problem that the ball grooves on the caster frame and the ball grooves on the ring seat are easily abraded or deformed due to a large pressure difference of the balls is effectively solved.
[0025] (2) The application sets brake rings B on the two sides of the wheel body, so that the two brake rings A can be in contact with the brake rings B under the driving of external force, the effect of braking is achieved, after braking is completed, the pushing of the two brake rings A is released, and the two brake rings A can be reset under the attraction of the magnet, and the effect of braking is released. BRIEF DESCRIPTION OF DRAWINGS
[0026] Figure 1 A schematic diagram of the overall structure of a high-load industrial universal caster is disclosed for a preferred embodiment of the application;
[0027] Figure 2 A schematic diagram of the structure of a ball ring disc in a high-load industrial universal caster is disclosed for a preferred embodiment of the application;
[0028] Figure 3 A schematic diagram of the structure of a shaft sleeve in a high-load industrial universal caster is disclosed for a preferred embodiment of the application;
[0029] Figure 4 A schematic diagram of the structure of a limiting frame in a high-load industrial universal caster is disclosed for a preferred embodiment of the application;
[0030] Figure 5 A schematic diagram of the structure of a wheel body in a high-load industrial universal caster is disclosed for a preferred embodiment of the application;
[0031] Figure 6 A schematic diagram of the structure of a connecting frame in a high-load industrial universal caster is disclosed for a preferred embodiment of the application;
[0032] Label explanation: 1, wheel frame; 11, magnet; 12, limit frame; 121, inclined block A; 1211, brake ring A; 13, fixed rod; 14, sliding plate; 141, baffle; 15, inclined block B; 16, sliding ring; 17, fixed ring; 18, connecting plate; 19, pressing frame; 2, wheel body; 21, connecting shaft; 22, brake ring B; 3, rotating shaft; 31, side ball; 32, oil hole; 33, oil inlet pipe; 34, oil hole; 4, ball ring disc; 41, top ball; 5, shaft sleeve; 51, fixed seat; 52, ball groove A; 53, ball groove B; 54, fixed frame; 55, plug column; 6, mounting plate. DETAILED DESCRIPTION
[0033] The application will be further described in detail below with reference to the accompanying drawings.
[0034] Reference Figure 1 and Figure 2 , the embodiment of the application discloses a high-bearing industrial universal caster, which comprises a wheel frame 1, the inner side of the wheel frame 1 is provided with a wheel body 2, the top of the wheel frame 1 is fixedly provided with a rotating shaft 3, the outer side of the rotating shaft 3 is provided with a group of side balls 31, the top of the rotating shaft 3 is fixedly provided with a ball ring disc 4, the top of the ball ring disc 4 is provided with a group of top balls 41, the outer side of the rotating shaft 3 is sleeved with a shaft sleeve 5, the top of the shaft sleeve 5 is fixedly provided with a mounting plate 6, and the mounting plate 6 is used for fixedly arranging equipment with external industrial equipment.
[0035] When the equipment is used, the equipment can be fixed with external industrial equipment through the mounting plate 6, when the equipment is used, the rotating shaft 3 can rotate in the inner side of the shaft sleeve 5 through the group of top balls 41, the universal rotation of the wheel body 2 is met, and the rotating shaft 3 can be limited through the group of side balls 31.
[0036] The group of top balls 41 slides in the inner side of the ball ring disc 4 and the shaft sleeve 5, bears the pressure of the industrial equipment, the inner side of the ball ring disc 4 is balanced in stress, and the inner side of the ball ring disc 4 can be prevented from deforming.
[0037] Reference Figure 3 , Figure 4 and Figure 5 , the bottom of the shaft sleeve 5 is detachably provided with a fixed seat 51, the inner side of the shaft sleeve 5 is provided with a ball groove A 52 matched with the top ball 41, the inner side of the shaft sleeve 5 is also provided with a ball groove B 53 matched with the side ball 31, the inner side of the wheel body 2 is rotatably provided with a connecting shaft 21, and the wheel body 2 is rotatably arranged in the inner side of the wheel frame 1 through the connecting shaft 21.
[0038] In the installation, the wheel body 2 is arranged on the inner side of the wheel frame 1 through the connecting shaft 21, the shaft sleeve 5 is directly sleeved on the top of the rotating shaft 3, the fixed seat 51 is aligned with the top ball 41, a group of side balls 31 are inserted into the inner side of the ball groove A52, and then the fixed seat 51 is fixed with the bottom of the shaft sleeve 5, and the top of the fixed seat 51 is provided with a sliding groove matched with the side ball 31.
[0039] Referring to Figure 4 , Figure 5 and Figure 6 , the two sides of the wheel body 2 are fixedly provided with brake rings B22, the two sides of the wheel frame 1 are fixedly provided with magnets 11, the two sides of the wheel frame 1 are fixedly provided with two limiting frames 12, the inner sides of the limiting frames 12 are slidably provided with inclined blocks A121, the inner sides of the inclined blocks A121 are fixedly provided with brake rings A1211, the four inclined blocks A121 are moved under the action of external force, the two sides of the wheel frame 1 are fixedly provided with fixed rods 13, the two ends of the two fixed rods 13 are slidably provided with sliding mouth plates 14, the bottom of the four sliding mouth plates 14 is fixedly provided with inclined blocks B15 corresponding to the inclined blocks A121, the top of the four sliding mouth plates 14 is fixedly provided with sliding rings 16, the top of the sliding ring 16 is rotatably arranged on the bottom of a fixed ring 17, the top of the fixed ring 17 is fixedly provided with four connecting plates 18, the top of the four connecting plates 18 is fixedly provided with a pressing frame 19, the pressing frame 19 can be moved under the action of external force, the outer sides of the corresponding two sliding mouth plates 14 are fixedly provided with baffle plates 141, and the outer side of the shaft sleeve 5 is fixedly provided with four fixed frames 54 corresponding to the four connecting plates 18.
[0040] When braking is needed, the pressing frame 19 is driven to descend by external force, so that the four connecting plates 18 descend, the four connecting plates 18 jointly drive the fixed ring 17 and the sliding ring 16 to descend, the four sliding mouth plates 14 descend, so that the four inclined blocks B15 extrude the four inclined blocks A121, the four inclined blocks A121 slide in the inner side of the limiting frame 12, so that the two brake rings A1211 contact the brake ring B22, and the braking action is completed;
[0041] When moving is needed, the pressing frame 19 is driven to ascend by external force, so that the four inclined blocks B15 at the bottom ascend, the inclined blocks B15 release the extrusion on the inclined blocks A121, the two brake rings A1211 on the two sides move under the magnetic force of the magnet 11, the inclined blocks A121 slide and reset in the corresponding limiting frame 12, the two brake rings A1211 are separated from the brake ring B22, and the wheel body 2 can move;
[0042] Among them, four connecting plates 18 slide inside the fixed frame 54, and the sliding openings of the four sliding opening plates 14 are respectively arranged in sliding mode at both ends of the fixed rod 13, which increases the stability during braking. The two baffles 141 increase the stability of the four sliding opening plates 14, and can limit the two sides of the wheel frame 1, thereby increasing the stability of the two sides of the wheel frame 1.
[0043] Referring to Figure 2 , Figure 3 and Figure 4 , the top of the rotating shaft 3 is provided with an oil hole 32, the outer side of the rotating shaft 3 is provided with an oil inlet pipe 33, the oil inlet pipe 33 communicates with the oil hole 32, and the outer side of the rotating shaft 3 is provided with a plurality of oil holes 34 corresponding to the ball ring disc 4. The inner side of the shaft sleeve 5 is fixedly provided with a plug column 55.
[0044] When adding lubricating oil to the inside of the top ball 41, the external oil supply device is connected through the oil inlet pipe 33, the external oil supply device is pressed to supply oil, the lubricating oil is added to the top of the rotating shaft 3 through the oil inlet pipe 33 and the oil hole 32, and flows into the inside of the ball ring disc 4 through the plurality of oil holes 34. Lubricate the plurality of top balls 41, wherein the plug column 55 can block the top inside the ball ring disc 4, so that the lubricating oil can only flow into the inside of the ball ring disc 4 from the inside of the plurality of oil holes 34.
[0045] In summary, the high-load industrial universal caster disclosed in the embodiments of the present application can fix the equipment with external industrial equipment through the mounting plate 6 during use. During use, a group of top balls 41 slide on the top of the ball ring disc 4 and the inside of the ball groove A52, which can make the rotating shaft 3 rotate inside the shaft sleeve 5, meet the universal rotation of the wheel body 2, and limit the rotating shaft 3 by a group of side balls 31 sliding inside the ball groove B53;
[0046] When braking is needed, the pressure frame 19 is driven to descend by external force, thereby driving the four connecting plates 18 to descend, the four connecting plates 18 jointly drive the fixed ring 17 and the sliding ring 16 to descend, the four sliding opening plates 14 descend, thereby driving the four inclined blocks B15 to press the four inclined blocks A121, the four inclined blocks A121 slide inside the limiting frame 12, thereby driving the two brake rings A1211 to contact the brake ring B22, and completing the braking action;
[0047] When moving is needed, the pressure frame 19 is driven to ascend by external force, thereby driving the four inclined blocks B15 at the bottom to ascend, the inclined blocks B15 release the pressing of the inclined blocks A121, the brake rings A1211 on both sides move under the magnetic force of the magnet 11, the inclined blocks A121 slide inside the corresponding limiting frames 12 and reset, and the two brake rings A1211 are separated from the brake ring B22, so that the wheel body 2 can move.
Claims
1. A high load capacity industrial caster wheel, characterized by, The utility model relates to a wheel frame (1) is provided with wheel body (2), rotating shaft (3), ball ring disc (4), shaft sleeve (5) and mounting plate (6), wheel body (2) is arranged in the inside of wheel frame (1), rotating shaft (3) is fixedly arranged at the top of wheel frame (1), the outside of rotating shaft (3) is provided with a group of side ball (31), ball ring disc (4) is fixedly arranged at the top of rotating shaft (3), and the top of ball ring disc (4) is provided with a group of top ball (41), shaft sleeve (5) is sleeved in the outside of rotating shaft (3), and mounting plate (6) is fixedly arranged at the top of shaft sleeve (5), and mounting plate (6) is used for fixing the equipment with the outside industrial equipment fixedly arranged. The bottom of shaft sleeve (5) can be detachably provided with fixed seat (51), the inside of shaft sleeve (5) is provided with ball groove A (52) matched with top ball (41), and the inside of shaft sleeve (5) is also provided with ball groove B (53) matched with side ball (31). The inside of wheel body (2) is rotatably provided with connecting shaft (21), and wheel body (2) is rotatably arranged in the inside of wheel frame (1) through connecting shaft (21). The both sides of wheel body (2) are fixedly provided with brake ring B (22), the both sides of wheel frame (1) are fixedly provided with magnet (11), the both sides of wheel frame (1) are fixedly provided with two limit frames (12), the inside of the limit frame (12) of both sides is slidably provided with inclined block A (121), the inside of the inclined block A (121) of both sides is fixedly provided with brake ring A (1211), and four inclined blocks A (121) are moved under the external force. The both sides of wheel frame (1) are fixedly provided with fixed rod (13), the both ends of two fixed rods (13) are slidably provided with sliding mouth plate (14), the bottom of four sliding mouth plates (14) is fixedly provided with inclined block B (15) corresponding inclined block A (121), the top of four sliding mouth plates (14) is fixedly provided with sliding ring (16), the top of sliding ring (16) is rotatably arranged at the bottom of fixed ring (17), the top of fixed ring (17) is fixedly provided with four connecting plates (18), the top of four connecting plates (18) is commonly fixedly provided with pressing frame (19), and pressing frame (19) can be moved under the external force. The outside of corresponding two sliding mouth plates (14) is commonly fixedly provided with baffle (141), and the outside of shaft sleeve (5) is fixedly provided with four fixed frames (54) corresponding four connecting plates (18). The top of rotating shaft (3) is provided with oil hole (32), the outside of rotating shaft (3) is provided with oil inlet pipe (33), oil inlet pipe (33) communicates with oil hole (32), the outside of rotating shaft (3) is provided with a plurality of oil holes (34) corresponding ball ring disc (4), and the inside of shaft sleeve (5) is fixedly provided with plug column (55).
2. A high load bearing industrial universal caster according to claim 1, characterized in that: 3. A high load bearing industrial universal caster according to claim 1, wherein: 4. A high load bearing industrial universal caster according to claim 1, characterized in that: 5. A high load bearing industrial universal caster according to claim 4, characterized in that: 6. A high load bearing industrial universal caster according to claim 5, wherein: 7. A high load bearing industrial universal caster according to claim 1, wherein:
Citation Information
Patent Citations
High-bearing industrial universal trundle
CN221090369U