A spring-loaded wheel

Abstract

This application relates to a spring-loaded wheel, belonging to the technical field of household goods accessories. The wheel comprises a bracket and a pulley. A fixing block is slidably connected to the outside of the bracket. A quick-release mechanism is installed at the bottom of the bracket. A straight rod is installed at the top of the pulley. A second spring is sleeved on the outside of the straight rod. A decorative cover is installed at the bottom of the fixing block. One end of the second spring is fixedly connected to the bottom of the straight rod, and the other end is fixedly connected to the inside of the decorative cover, which is located on the outer periphery of the second spring. In this invention, the straight rod can be retracted into the decorative cover by the stretching action of the spring, preventing it from protruding and meeting the high aesthetic requirements of modern consumers. It also enhances the durability and stability of the pulley. Furthermore, the elasticity of the spring facilitates the disassembly and installation of the pulley, saving costs and extending the service life of the equipment.

Description

Technical Field

[0001] This application relates to the field of household goods accessories technology, and in particular to a spring-loaded wheel. Background Technology

[0002] A wheel is a circular frame that rotates around a central axis, typically consisting of a rim, spokes, and a central axle. It is used to support and transport vehicles, machinery, and other similar devices. In mechanics, it is a fundamental machine component that reduces friction through rolling, making objects easier to move. In household goods, wheels are often installed on the bottom of furniture to facilitate movement and positioning.

[0003] Spring-loaded wheels are an innovative design combining elasticity and rolling functionality, widely used in handling, logistics, and transportation. These wheels have a built-in spring structure that fits around a straight rod fixed to the wheel. The spring is tightly connected to the straight rod and the furniture frame, with the straight rod extending out of a pre-drilled hole in the frame. During movement, the spring compresses itself to provide tension, effectively absorbing vibrations and improving stability and comfort. Typically, when these wheels move, the spring's shock absorption pushes the supporting straight rod upwards. Because there's no obstruction at the top of the straight rod, it appears obtrusive on the furniture frame.

[0004] While existing spring-loaded wheels can meet daily needs, when the wheels slide on uneven ground, the straight rod protrudes from the support, affecting the overall aesthetics. Furthermore, they lack stability and cushioning. Therefore, a spring-loaded wheel is proposed to solve these problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a spring-loaded wheel, which aims to improve the problem in the prior art where the straight rod of the pulley will be exposed outside the decorative cover when encountering uneven road surfaces, affecting the overall aesthetics.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A spring-loaded wheel includes a bracket and a pulley. A fixing block is slidably connected to the outside of the bracket. A quick-release mechanism is installed at the bottom of the bracket. A straight rod is installed at the top of the pulley. A second spring is sleeved on the outside of the straight rod. A decorative cover is installed at the bottom of the fixing block. One end of the second spring is fixedly connected to the bottom of the straight rod, and the other end of the second spring is fixedly connected to the inside of the decorative cover. The decorative cover is located on the outer periphery of the second spring. As a further description of the above technical solution: A washer is sleeved on the outside of the straight rod, and the washer is located on the outer periphery of the spring. As a further description of the above technical solution: The quick-release mechanism includes a plug-in assembly and a fixing assembly. The plug-in assembly includes a housing, which is fixedly connected to the bottom of the bracket. A pin is slidably connected inside the housing, and a spring is sleeved on the outside of the pin. A limit plate is fixedly connected to the outside of the pin. As a further description of the above technical solution: A pull ring is fixedly connected to the outside of the pin, and the pull ring is located outside the housing. As a further description of the above technical solution: The fixing component includes a plug plate, which is fixedly connected to the bottom of the fixing block. A plug hole is provided in the middle of the plug plate, and the plug pin is engaged with the plug hole. As a further description of the above technical solution: The fixed block is externally fixedly connected to a slider, and the bracket has a sliding groove on its inner side, with the slider slidably connected to the inner side of the sliding groove. As a further description of the above technical solution: The fixing block is externally fixedly connected to a plug rod, and the bracket has a slot inside, with the plug rod engaging with the slot. As a further description of the above technical solution: A foot block is installed on the outside of the pulley, and a brake pad is installed on the outside of the pulley.

[0007] This utility model has the following beneficial effects: 1. In this utility model, the straight rod can be retracted into the decorative cover by the stretching action of the spring, preventing the straight rod from being exposed, thus meeting the high requirements of modern consumers for product appearance, while also enhancing the durability and stability of the pulley.

[0008] 2. In this utility model, the spring's elasticity allows the pin to quickly return to its original position, facilitating the disassembly and installation of the pulley for maintenance and upkeep. This allows users to replace the pulley themselves, saving costs and extending the equipment's lifespan. Attached Figure Description

[0009] Figure 1 This is a three-dimensional schematic diagram of a spring-loaded wheel according to the present invention. Figure 2 This is a schematic diagram of the structure of a decorative cover with a spring-loaded wheel proposed in this utility model; Figure 3 This is a schematic diagram of the structure of a quick-release mechanism for a spring-loaded wheel proposed in this utility model; Figure 4 This is a schematic diagram of the structure of a spring-loaded wheel according to the present invention; Figure 5This is a schematic diagram of the structure of a straight rod with a spring-loaded wheel proposed in this utility model; Explanation of reference numerals in the attached drawings: 1. Bracket; 2. Pulley; 3. Fixing block; 4. Step block; 5. Decorative cover; 6. Outer shell; 7. Pull ring; 8. Slider; 9. Slide groove; 10. Insert rod; 11. Slot; 12. Insert plate; 13. Insert hole; 14. Pin; 15. Spring 1; 16. Limiting plate; 17. Brake pad; 18. Spring 2; 19. Washer; 20. Straight rod. Detailed Implementation

[0010] The following is in conjunction with the appendix Figure 1 -Appendix Figure 5 This application will be described in further detail below.

[0011] Reference Figure 1 , Figure 2 , Figure 4 and Figure 5 This utility model provides an embodiment of a spring-loaded wheel, comprising a bracket 1 and a pulley 2. The bracket 1 connects to the object to be installed. A fixing block 3 is slidably connected to the outside of the bracket 1, supporting other components and fixing the pulley 2 to the bracket 1. A quick-release mechanism is installed at the bottom of the bracket 1, allowing for quick installation and removal of the pulley 2 and its connecting components. A straight rod 20 is installed at the top of the pulley 2, providing connection and support. A second spring 18 is sleeved on the outside of the straight rod 20, providing support through the tension of the spring 18. The straight rod 20 can be retracted into the decorative cover 5 to prevent it from being exposed. The decorative cover 5 is installed at the bottom of the fixing block 3. The decorative cover 5 makes the pulley 2 more aesthetically pleasing and also provides protection. One end of the second spring 18 is fixedly connected to the bottom of the straight rod 20, and the other end of the second spring 18 is fixedly connected to the inside of the decorative cover 5. The decorative cover 5 is located on the outer periphery of the second spring 18. The tight connection through the second spring 18 can prevent the equipment from falling off and being damaged. A gasket 19 is fitted on the outside of the straight rod 20. The gasket 19 is located on the outer periphery of the second spring 18. The gasket 19 can further enhance the shock absorption and buffering effect of the second spring 18.

[0012] Reference Figures 1-3The quick-release mechanism includes a plug-in assembly and a fixing assembly. The plug-in assembly includes a housing 6, which is fixedly connected to the bottom of the bracket 1. The housing 6 protects the internal parts from damage. A pin 14 is slidably connected inside the housing 6. A spring 15 is sleeved on the outside of the pin 14. The elasticity of the spring 15 allows the pin 14 to quickly return to its original position. A limit plate 16 is fixedly connected to the outside of the pin 14. The limit plate 16 prevents the pin 14 from being ejected due to excessive elasticity of the spring 15. A pull ring 7 is fixedly connected to the outside of the pin 14. The pull ring 7 is located outside the housing 6 and allows the pin 14 to be easily pulled out. The fixing assembly includes a insertion plate 12, which is fixedly connected to the bottom of the fixing block 3. An insertion hole 13 is opened in the middle of the insertion plate 12. The pin 14 is engaged with the insertion hole 13. Inserting the pin 14 into the socket 13 allows for quick installation and disassembly of the device while ensuring its stability. A slider 8 is externally fixed to the fixing block 3, and a groove 9 is provided inside the bracket 1. The slider 8 slides within the groove 9, allowing for smoother installation and disassembly of the fixing block 3. A rod 10 is externally fixed to the fixing block 3, and a slot 11 is provided inside the bracket 1. The rod 10 engages with the slot 11, further enhancing the stability of the fixing block 3 and preventing it from causing other components to shake. A foot block 4 and a brake pad 17 are mounted externally on the pulley 2. Stepping on the foot block 4 drives the brake pad 17, thus controlling the sliding and fixing of the pulley 2.

[0013] The implementation principle of this application embodiment is as follows: First, when using the pulley 2, when encountering an uneven road surface, the second spring 18 can reduce vibration. At the same time, since the second spring 18 is sleeved on the outside of the straight rod 20, and the two ends of the second spring 18 are tightly connected to the decorative cover 5 and the straight rod 20, the straight rod 20 will not be exposed like a normal wheel on bumpy road sections, affecting the overall aesthetics. Through the stretching action of the second spring 18, the straight rod 20 can be retracted into the decorative cover 5. At the same time, a pad 19 is also provided on the outside of the straight rod 20 to further enhance the shock absorption and buffering effect of the pulley 2.

[0014] In addition, by pulling the pin 14, the limiting plate 16 will move together with the pin 14, and the limiting plate 16 will squeeze the spring 15. When the pin 14 is completely pulled out from the insertion hole 13 on the insertion plate 12, the fixing block 3 and the pulley 2 and other components can be pulled out, so as to realize the quick maintenance and replacement of the pulley 2. The decorative cover 5 can also be replaced accordingly to meet the aesthetic requirements. After the replacement is completed, the fixing block 3 is put back and the pin 14 is released to fix the pulley 2 firmly again.

Claims

1. A wheel with spring, comprising a support (1) and a pulley (2), characterized in that: The bracket (1) is slidably connected to a fixing block (3), the bracket (1) is equipped with a quick-release mechanism at the bottom, the pulley (2) is equipped with a straight rod (20) at the top, the straight rod (20) is fitted with a spring (18) on the outside, the fixing block (3) is equipped with a decorative cover (5) at the bottom, one end of the spring (18) is fixedly connected to the bottom of the straight rod (20), the other end of the spring (18) is fixedly connected to the inside of the decorative cover (5), and the decorative cover (5) is located on the outer periphery of the spring (18).

2. A spring-loaded wheel according to claim 1, characterized in that: A washer (19) is fitted on the outside of the straight rod (20), and the washer (19) is located on the outer periphery of the second spring (18).

3. A wheel with spring according to claim 1, characterized in that: The quick-release mechanism includes a plug-in assembly and a fixing assembly. The plug-in assembly includes a housing (6), which is fixedly connected to the bottom of the bracket (1). A pin (14) is slidably connected inside the housing (6). A spring (15) is sleeved on the outside of the pin (14). A limit plate (16) is fixedly connected to the outside of the pin (14).

4. A wheel with a spring according to claim 3, characterized in that: The pin (14) is externally fixedly connected to a pull ring (7), which is located outside the outer shell (6).

5. A wheel with a spring according to claim 4, characterized in that: The fixing component includes a plug plate (12), which is fixedly connected to the bottom of the fixing block (3). A plug hole (13) is provided in the middle of the plug plate (12), and the pin (14) is engaged with the plug hole (13).

6. A wheel with spring as defined in claim 1, characterized in that: The fixed block (3) is externally fixedly connected to a slider (8), and the bracket (1) has a groove (9) on its inner side, and the slider (8) is slidably connected to the inner side of the groove (9).

7. A wheel with spring according to claim 1, characterized in that: The fixing block (3) is externally fixedly connected to a plug rod (10), and the bracket (1) has a slot (11) inside, and the plug rod (10) and the slot (11) are engaged with each other.

8. A wheel with spring according to claim 1, characterized in that: The pulley (2) is equipped with a foot block (4) on the outside and a brake pad (17) on the outside.

Images