A universal wheel structure with good stability
By designing a universal wheel structure including a rotating seat, a ball and a locking column, the problem that the existing universal wheel is difficult to take into account between load and steering flexibility, and the balance of load bearing and rotation stability is achieved.
Patent Information
- Application Number
- CN202420894349.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-04-26
AI Technical Summary
The existing universal wheels are difficult to balance between load and steering flexibility, and cannot meet the load-bearing needs of larger loads.
A universal wheel structure including an intermediate plate, a front baffle, a top plate, a wheel base, a support wheel, a locking assembly, a rotating seat, a ball, a locking column and a pin are designed, and load bearing and rotation stability are achieved through the rotating structure of the rotating seat, a ball and a locking column.
It achieves a balance between load and steering flexibility, can withstand large loads, and has high stability during rotation, with good steering flexibility, which is suitable for current use needs.
Smart Images
Figure CN222742470U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of universal wheels, and in particular relates to a universal wheel structure with good stability. Background Art
[0002] A universal wheel is a wheel that can rotate 360 degrees horizontally under dynamic or static load. It is easy to turn, so it is widely used in industrial production and daily life. Although the universal wheel in the prior art has good turning flexibility, it cannot bear a large load. The universal wheel with a large load in the prior art does not have good turning flexibility. In particular, our company has a large load bearing demand, and the existing universal wheel cannot meet the current use demand. Utility Model Content
[0003] The embodiment of the present application solves the problem in the prior art that the universal wheel cannot have the characteristics of large load and steering flexibility at the same time by providing a universal wheel structure with good stability.
[0004] In order to achieve the above-mentioned purpose, the embodiment of the utility model provides a universal wheel structure with good stability, including a middle plate, a front baffle, a top plate, a wheel seat, a support wheel, a locking assembly, a rotating seat, a ball, a locking column and a latch;
[0005] The front baffle is arranged on the front side of the middle plate, the top plate is arranged on the upper end of the middle plate, the front side of the top plate is connected to the front baffle, the middle plate is located in the middle of the front baffle and the top plate, and the front baffle, the top plate and the middle plate are arranged vertically in pairs;
[0006] The wheel seats are arranged on both the left and right sides of the middle plate, the support wheels are mounted on the wheel seats through bearings, and the locking assembly for locking the support wheels is arranged on the front baffle;
[0007] The rotating seat is rotatably mounted on the upper end of the top plate, and a plurality of balls are arranged between the top plate and the rotating seat, the upper part of the balls is located in the annular groove at the bottom of the rotating seat, and the lower part of the balls is clamped in the annular groove at the top of the top plate;
[0008] The locking column is arranged at the center of the upper end of the top plate, and the locking column is connected to the latch after passing through the hole at the center of the rotating seat.
[0009] In a possible implementation, a protective ring is circumferentially arranged at the lower end of the rotating seat, the rotating seat is rotatably mounted on a convex seat body at the upper end of the top plate, the convex seat body is a columnar structure, and the lower section of the protective ring is mounted on the upper section of the convex seat body.
[0010] In a possible implementation, a latch hole is provided at the upper end of the locking column, the latch passes through the latch hole, and a locking plate is rotatably mounted on the end of the latch.
[0011] In a possible implementation, a docking groove is provided at the center of the upper end of the rotating seat;
[0012] A docking joint is provided on the rotating seat, a docking end is provided at the upper end of the docking joint, an avoidance groove is provided at the center of the lower end of the docking joint, the lower end of the docking joint is installed in the docking groove of the rotating seat, the lower end of the docking joint abuts against the bottom wall of the docking groove, and the pin is located in the avoidance groove.
[0013] In a possible implementation, the locking assembly includes a locking sheet and a footrest;
[0014] The front baffle is provided with a locking plate at the portion opposite to the supporting wheel, the lower end of the locking plate is a wedge-shaped structure, and the end of the locking plate passes through the vertical hole on the front baffle and is connected to the footrest.
[0015] One or more technical solutions provided in the embodiments of the present utility model have at least the following technical effects or advantages:
[0016] The embodiment of the utility model provides a universal wheel structure with good stability. The structural form composed of the front baffle, the top plate and the middle plate has high strength and high pressure bearing capacity. The setting of the two support wheels has higher stability and can withstand a large load. The locking assembly is used to lock the support wheels. The utility model is able to withstand a large load by setting a rotating structure form of a rotating seat, a ball and a locking column. At the same time, it has high stability during rotation and good steering flexibility. The rotating structure form is easy to install and easy to maintain after disassembly, so it can meet current use requirements. The universal wheel has a simple structure, strong practicality, and is easy to promote and use. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present application, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0018] Figure 1 A structural schematic diagram of a universal wheel structure with good stability provided by an embodiment of the utility model.
[0019] Figure 2 for Figure 1 Right view of .
[0020] Figure 3 for Figure 1 Left view of .
[0021] Figure 4 for Figure 1 sectional view of .
[0022] Figure numerals: 1-middle plate; 2-front baffle; 3-top plate; 4-wheel seat; 5-support wheel; 6-swivel seat; 7-ball; 8-locking column; 9-latch pin; 10-protective ring; 11-convex seat body; 12-docking groove; 13-docking joint; 14-avoidance groove; 15-locking plate; 16-foot pedal. DETAILED DESCRIPTION
[0023] 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. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] In the description of the embodiments of the present utility model, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limitations on the present utility model. The terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, the terms "installed", "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 a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to the specific circumstances.
[0025] like Figures 1 to 4 As shown, the universal wheel structure with good stability provided by the embodiment of the utility model includes a middle plate 1, a front baffle plate 2, a top plate 3, a wheel seat 4, a support wheel 5, a locking assembly, a rotating seat 6, a ball 7, a locking column 8 and a pin 9.
[0026] A front baffle plate 2 is arranged on the front side of the middle plate 1, a top plate 3 is arranged on the upper end of the middle plate 1, the front side of the top plate 3 is connected to the front baffle plate 2, the middle plate 1 is located in the middle of the front baffle plate 2 and the top plate 3, and the front baffle plate 2, the top plate 3 and the middle plate 1 are arranged vertically in pairs.
[0027] Wheel seats 4 are provided on both the left and right sides of the middle plate 1 , and the supporting wheels 5 are installed on the wheel seats 4 through bearings. A locking assembly for locking the supporting wheels 5 is provided on the front baffle plate 2 .
[0028] A rotating seat 6 is rotatably mounted on the upper end of the top plate 3 , and a plurality of balls 7 are arranged between the top plate 3 and the rotating seat 6 . The upper portion of the balls 7 is located in the annular groove at the bottom of the rotating seat 6 , and the lower portion of the balls 7 is clamped in the annular groove at the top of the top plate 3 .
[0029] A locking column 8 is provided at the center of the upper end of the top plate 3 , and the locking column 8 passes through the hole at the center of the rotating seat 6 and is connected to the latch 9 .
[0030] It should be noted that the structural form composed of the front baffle 2, the top plate 3 and the middle plate 1 has high strength and high pressure bearing capacity. The setting of the two support wheels 5 has higher stability and can withstand a large load. The locking assembly is used to lock the support wheel 5. The utility model is able to withstand a large load by setting a rotating structure of a rotating seat 6, a ball 7, and a locking column 8. At the same time, it has high stability during rotation and good steering flexibility. The rotating structure is easy to install and easy to maintain after disassembly, so it can meet current use requirements. The universal wheel has a simple structure, strong practicality, and is easy to promote and use.
[0031] In this embodiment, a protective ring 10 is circumferentially arranged at the lower end of the rotating seat 6, and the rotating seat 6 is rotatably mounted on the convex seat body 11 at the upper end of the top plate 3. The convex seat body 11 is a columnar structure, and the lower section of the protective ring 10 is mounted on the upper section of the convex seat body 11.
[0032] It should be noted that the protective ring 10 can prevent the rotating seat 6 from tilting, thereby improving the reliability of the universal wheel, and can also prevent dirt from entering the rolling area of the ball 7, thereby reducing the maintenance frequency and improving the portability of the universal wheel.
[0033] In this embodiment, a latch hole is provided at the upper end of the locking column 8, and the latch 9 passes through the latch hole. A locking plate is rotatably mounted on the end of the latch 9.
[0034] It should be noted that the latch 9 is easy to install and remove, and the locking plate can quickly fix the latch 9 to prevent it from sliding out.
[0035] In this embodiment, a docking groove 12 is provided at the center of the upper end of the rotating seat 6 .
[0036] A docking joint 13 is provided on the rotating seat 6, a docking end is provided at the upper end of the docking joint 13, an avoidance groove 14 is provided at the center of the lower end of the docking joint 13, the lower end of the docking joint 13 is installed in the docking groove 12 of the rotating seat 6, the lower end of the docking joint 13 abuts against the bottom wall of the docking groove 12, and the pin 9 is located in the avoidance groove 14.
[0037] It should be noted that the butt end of the butt joint 13 is used to connect the vehicle body. The butt end can be a bolt connection or a plug connection. The latch 9 is located in the avoidance groove 14, which can also prevent the latch 9 from escaping from the latch hole. The lower end of the butt joint 13 abuts against the bottom wall of the butt groove 12, thereby further improving the load-bearing capacity.
[0038] In this embodiment, the locking assembly includes a locking piece 15 and a footrest 16 .
[0039] A locking piece 15 is provided at the portion of the front baffle plate 2 opposite to the supporting wheel 5 . The lower end of the locking piece 15 is a wedge-shaped structure. The end of the locking piece 15 passes through the vertical hole on the front baffle plate 2 and is connected to the footrest 16 .
[0040] It should be noted that the two support wheels 5 are respectively provided with locking pieces 15, and the footrest strips 16 are connected to the locking pieces 15 at both ends. When locking is required, the lower end of the locking piece 15 is inserted into the support wheel 5 and the front baffle 2 by stepping on the footrest strips 16.
[0041] In order to prevent the lower end of the locking piece 15 from being inserted between the supporting wheel 5 and the front baffle 2 when the universal wheel is moved, a return spring can be provided between the locking piece 15 and the bottom of the vertical hole, or the locking piece 15 can be clamped to the upper end of the vertical hole.
[0042] In this embodiment, it is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiment, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiment should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and therefore it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.
Claims
1. A universal wheel structure with good stability, characterized in that: It comprises a middle plate (1), a front baffle plate (2), a top plate (3), a wheel seat (4), a supporting wheel (5), a locking assembly, a rotating seat (6), a ball (7), a locking column (8) and a latch (9); The front baffle plate (2) is arranged on the front side of the middle plate (1), the top plate (3) is arranged on the upper end of the middle plate (1), the front side of the top plate (3) is connected to the front baffle plate (2), the middle plate (1) is located in the middle of the front baffle plate (2) and the top plate (3), and the front baffle plate (2), the top plate (3) and the middle plate (1) are arranged vertically in pairs; The wheel seats (4) are arranged on both the left and right sides of the middle plate (1), the support wheel (5) is mounted on the wheel seats (4) via bearings, and the locking assembly for locking the support wheel (5) is arranged on the front baffle (2); The rotating seat (6) is rotatably mounted on the upper end of the top plate (3), and a plurality of balls (7) are arranged between the top plate (3) and the rotating seat (6), the upper part of the balls (7) is located in the annular groove at the bottom of the rotating seat (6), and the lower part of the balls (7) is clamped in the annular groove at the top of the top plate (3); The locking column (8) is arranged at the center of the upper end of the top plate (3), and the locking column (8) passes through the hole in the center of the rotating seat (6) and is connected to the latch (9).
2. The universal wheel structure with good stability according to claim 1, characterized in that: A protective ring (10) is arranged circumferentially on the lower end of the rotating seat (6), and the rotating seat (6) is rotatably mounted on a convex seat body (11) at the upper end of the top plate (3). The convex seat body (11) is a columnar structure, and the lower section of the protective ring (10) is mounted on the upper section of the convex seat body (11).
3. The universal wheel structure with good stability according to claim 1, characterized in that: The upper end of the locking column (8) is provided with a latch hole, the latch (9) passes through the latch hole, and a locking plate is rotatably mounted on the end of the latch (9).
4. The universal wheel structure with good stability according to claim 3, characterized in that: A docking groove (12) is provided at the center of the upper end of the rotating seat (6); The rotating seat (6) is provided with a docking head (13), the upper end of the docking head (13) is provided with a docking end, the lower end center of the docking head (13) is provided with an avoidance groove (14), the lower end of the docking head (13) is installed in the docking groove (12) of the rotating seat (6), the lower end of the docking head (13) is in abutment with the bottom wall of the docking groove (12), and the latch (9) is located in the avoidance groove (14).
5. The universal wheel structure with good stability according to claim 1, characterized in that: The locking assembly comprises a locking piece (15) and a footrest (16); The front baffle (2) is provided with a locking plate (15) at a portion opposite to the supporting wheel (5); the lower end of the locking plate (15) is a wedge-shaped structure; the end of the locking plate (15) passes through a vertical hole on the front baffle (2) and is connected to a footrest (16).