Quickly-assembled trundle

The quick-release caster design solves the problem of cumbersome disassembly and assembly of traditional casters, enabling rapid disassembly and assembly as well as reliable braking, thus improving equipment maintenance efficiency. It is particularly suitable for medical devices, logistics equipment, and industrial machinery.

CN224044967UActive Publication Date: 2026-03-27QINGDAO WEIHAI METAL SCI&TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-23
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The existing casters are inconvenient to install and remove, resulting in low equipment maintenance efficiency.

Method used

A quick-release caster was designed, which consists of a bracket, axle, hub and tire forming a rolling unit. The connecting column enables 360-degree rotation. The insert plate cooperates with the mounting base to install a locking mechanism. Combined with the built-in braking mechanism, it can achieve quick disassembly and reliable braking.

Benefits of technology

It enables rapid installation and disassembly, saving installation time, improving equipment maintenance efficiency, ensuring safety and reliability, and is suitable for occasions with frequent replacements, especially for medical devices, logistics equipment and industrial machinery.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is suitable for the technical field of trundles, and provides a fast-assembly trundle which comprises a support. The wheel shaft is rotationally mounted on the bracket; the wheel hub is fixedly arranged on the wheel shaft in a sleeving manner; the tire is arranged on the hub in a sleeving manner; the connecting column is fixedly mounted at the top of the bracket and is used for enabling the caster to rotate; the transverse plate is rotationally mounted at the top end of the connecting column; the inserting plate is fixedly mounted at the top of the transverse plate; the mounting seat is arranged on the insertion plate in a sleeving manner; the mounting locking mechanism is mounted on the mounting seat and is used for fixing a plug board; and the brake mechanism is mounted on the inner wall of the top of the bracket and is used for braking the trundles. The quick-assembly trundle provided by the scheme not only has quick-assembly and quick-disassembly functions, but also has a brake function, and is relatively convenient to operate.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the caster technical field, especially relates to a quick -mounting caster. BACKGROUND

[0002] Caster is a device installed at the bottom of an object, allowing it to move or turn easily, widely used in furniture, industrial equipment, medical devices, logistics transportation and other fields, which reduces friction, improves mobility and allows objects to turn flexibly in all directions.

[0003] The existing caster often needs to be installed and fixed on the bottom of the object by bolts, so it is not convenient to install and disassemble quickly. UTILITY MODEL CONTENT

[0004] The utility model provides a quick -mounting caster, aims at solving the problem of inconvenient quick installation and disassembly proposed in the above -mentioned background art.

[0005] To solve the above problems, the utility model is realized in this way, a quick -mounting caster, including: support;Rotary installation on the wheel shaft of the support;The wheel hub is fixedly sleeved on the wheel shaft;The tire is sleeved on the wheel hub;The connecting column for enabling the caster to rotate is fixedly installed at the top of the support;The cross plate is rotatably installed at the top end of the connecting column;The plugboard is fixedly installed at the top of the cross plate;The mounting seat is sleeved on the plugboard;The mounting lock mechanism for fixing the plugboard is installed on the mounting seat;The brake mechanism for braking the caster is installed on the inner wall of the top of the support.

[0006] Preferably, the top of the mounting seat is fixedly installed with the mounting plate, and a plurality of mounting hole positions are formed in the mounting plate.

[0007] Preferably, the side of the plugboard is provided with a pin slot, the bottom of the mounting seat is provided with an insertion slot, and the inner wall of the insertion slot is provided with an installation slot.

[0008] Preferably, the mounting lock mechanism comprises: a sliding rod slidingly installed on the inner wall of the installation slot;The pin block is slidingly installed on the inner wall of the installation slot and matched with the pin slot, and the pin block is fixedly connected with the sliding rod;The spring is slidingly sleeved on the sliding rod.

[0009] Preferably, one end of the sliding rod is fixedly installed with a pull ring, and the pull ring is made of stainless steel.

[0010] Preferably, the brake mechanism comprises: a vertical plate fixedly installed on the inner wall of the top of the support; a screw rod rotatably installed on the inner wall of the top of the support; a connecting plate rotatably installed on the bottom end of the screw rod; a U-shaped plate threadedly sleeved on the screw rod; a rectangular plate fixedly installed on the bottom of the U-shaped plate; and a brake pad installed on the bottom of the rectangular plate.

[0011] Preferably, a worm is rotatably installed on the vertical plate, a worm wheel is fixedly sleeved on the screw rod, and the worm wheel is engaged with the worm.

[0012] Preferably, one end of the worm is fixedly installed with a knob, and the knob is made of stainless steel.

[0013] Compared with the related art, the quick-mounting caster provided by the utility model has the following beneficial effects:

[0014] Compared with the prior art, the quick mounting caster provided by the scheme comprises a complete rolling unit formed by a support, an axle, a hub and a tire, a connecting column realizes 360-degree steering function, a horizontal plate and a plug-in plate cooperate with a mounting seat to form a quick dismounting structure, the overall structure is compact and the function is perfect, and the core innovation points of the caster mainly lie in three aspects: firstly, the plug-in plate and the mounting seat are combined with a mounting locking mechanism in a sleeving mode, so that the "quick mounting" function is realized, the user can complete installation and dismounting without tools, and the equipment maintenance efficiency is greatly improved; secondly, the brake mechanism is directly integrated on the inner wall of the top of the support, and the built-in design saves space and is convenient to operate; finally, the function modules are independent and work cooperatively, the structural strength is ensured, and high integration is realized; from the actual application effect, the quick mounting caster is particularly suitable for occasions where the caster needs to be frequently replaced or adjusted, such as logistics handling equipment, medical instruments and industrial machinery, the plug-in fixing mode can save more than 80% of the installation time compared with the traditional bolt connection, the built-in brake mechanism makes the braking operation more ergonomic, the overall design considers the installation convenience and ensures the use safety; the mechanical interlocking principle is used to ensure the connection reliability, the brake mechanism uses the lever principle to realize efficient braking, the size and position of each component are optimized, so that the caster reaches the industry leading level in the load bearing, steering and braking performance; compared with the prior art, the most prominent progress of the utility model lies in that the three functions of quick dismounting, flexible steering and reliable braking are perfectly combined in a compact structure, and the technical problems of the traditional caster, such as complicated dismounting and inconvenient braking, are solved; in the manufacturing process, the main components can be formed by pressure casting or injection molding, and have the advantages of low production cost and good consistency, so that the quick mounting caster can be widely applied, the brake mechanism can reliably prevent the equipment from sliding under slope working conditions; from the market application prospect, the quick mounting caster with the innovative design can be widely applied to many fields such as medical instruments, logistics equipment, industrial machinery and furniture and household appliances, and is particularly suitable for high-end application scenarios where the caster needs to be frequently replaced or maintained, and has remarkable economic benefits and market competitiveness. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a front view structural schematic diagram of a quick mounting caster provided by the utility model;

[0016] Figure 2 is a front view appearance structural schematic diagram of the utility model; Figure 1

[0017] Figure 3 is an enlarged structural schematic diagram of the A part shown in the utility model; Figure 1

[0018] Figure 4 is an enlarged structural schematic diagram of the B part shown in the utility model. Figure 1

[0019] ​​​Reference numerals: 1. Bracket; 2. Axle; 3. Hub; 4. Tire; 5. Connecting column; 6. Horizontal plate; 7. Insert plate; 8. Mounting base; 9. Mounting plate; 10. Mounting hole; 11. Pin groove; 12. Slot; 13. Mounting groove; 14. Sliding rod; 15. Pin block; 16. Spring; 17. Pull ring; 18. Vertical plate; 19. Screw; 20. Connecting plate; 21. U-shaped plate; 22. Rectangular plate; 23. Brake pad; 24. Worm gear; 25. Worm wheel; 26. Knob. Detailed Implementation

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings are used to distinguish different objects, not to describe a particular order; the terms "inner," "outer," "left," and "right" indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0021] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0022] This utility model embodiment provides a quick-install caster, such as Figures 1-4 As shown, the quick-release caster includes: a bracket 1; an axle 2 rotatably mounted on the bracket 1; a hub 3 fixedly mounted on the axle 2; a tire 4 mounted on the hub 3; a connecting column 5 fixedly mounted on the top of the bracket 1 to allow the caster to rotate; a horizontal plate 6 rotatably mounted on the top of the connecting column 5; a insert plate 7 fixedly mounted on the top of the horizontal plate 6; a mounting seat 8 mounted on the insert plate 7; a mounting locking mechanism mounted on the mounting seat 8 to fix the insert plate 7; and a braking mechanism mounted on the inner wall of the top of the bracket 1 to brake the caster.

[0023] In the embodiment, the complete rolling unit is formed by the support 1, the wheel shaft 2, the wheel hub 3 and the tire 4, the connecting column 5 realizes the 360-degree steering function, the cross plate 6 is matched with the plug plate 7 to form the quick disassembly and assembly structure with the mounting seat 8, the overall structure is compact and the function is perfect, and the core innovation points of the caster mainly lie in three aspects: first, the plug plate 7 is combined with the mounting seat 8 in a sleeving mode, a locking mechanism is combined, the "quick assembly" function is realized in a true sense, the user can complete the assembly and disassembly without the help of tools, and the equipment maintenance efficiency is greatly improved; second, the brake mechanism is directly integrated on the inner wall of the top of the support 1, the built-in design saves space and is convenient to operate; finally, the function modules are independent and work cooperatively, the structural strength is ensured, and high integration is realized; from the actual application effect, the quick assembly caster is particularly suitable for occasions, such as logistics handling equipment, medical instruments, industrial machines and the like, which need to frequently replace or adjust the caster, the plug-in fixing mode can save more than 90% of the assembly time compared with the traditional bolt connection, the built-in brake mechanism makes the brake operation more ergonomic, the overall design considers the assembly convenience and ensures the use safety; the mechanical interlocking principle is used to ensure the connection reliability, the brake mechanism utilizes the lever principle to realize efficient braking, the size and position of each component are optimized, so that the caster reaches the industry leading level in the load bearing, steering and braking performance; compared with the prior art, the most prominent progress of the utility model lies in that the three functions of quick disassembly, flexible steering and reliable braking are perfectly combined in a compact structure, and the technical pain points, such as the complicated disassembly and assembly of the traditional caster and inconvenient braking, are solved; in the manufacturing process, the main components can adopt die casting or injection molding, have the advantages of low production cost and good consistency, are convenient for large-scale popularization and application, and the brake mechanism can reliably prevent the equipment from sliding under the slope working condition; from the market application prospect, the quick assembly caster with the innovative design can be widely applied to many fields, such as medical instruments, logistics equipment, industrial machines, furniture and household appliances, and is particularly suitable for high-end application scenarios, such as frequently replacing or maintaining the caster, has remarkable economic benefits and market competitiveness.

[0024] In the further preferable embodiment of the utility model, the mounting plate 9 is fixedly installed on the top of the mounting seat 8, and a plurality of mounting hole positions 10 are formed in the mounting plate 9.

[0025] In the embodiment, the mounting seat 8 can be installed at the bottom of an object by the plurality of mounting hole positions 10 on the mounting plate 9 and cooperating with the bolts.

[0026] In the further preferable embodiment of the utility model, a pin groove 11 is formed in one side of the plug plate 7, a plug groove 12 is formed in the bottom of the mounting seat 8, and an installation groove 13 is formed in the inner wall of the plug groove 12.

[0027] In the embodiment, the pin slot 11 of the plug plate 7 is matched with the plug slot 12 and the mounting slot 13 of the mounting seat 8, so that the plug positioning is more accurate, the quick locking and unlocking are realized by combining the mounting locking mechanism, and the disassembly and assembly convenience and the connection stability are enhanced; on the basis of retaining the original quick mounting advantages, the mechanical interlocking reliability is further optimized, the caster replacement scene with high frequency and high load is applicable, the equipment moving efficiency is improved, and the maintenance cost is reduced.

[0028] In the further preferred embodiment of the utility model, the mounting locking mechanism comprises: a sliding rod 14 slidingly mounted on the inner wall of the mounting slot 13; a pin block 15 slidingly mounted on the inner wall of the mounting slot 13 and matched with the pin slot 11, the pin block 15 being fixedly connected with the sliding rod 14; and a spring 16 slidingly sleeved on the sliding rod 14.

[0029] In the embodiment, the mounting locking mechanism drives the sliding rod 14 to move transversely through the pull ring 17, the sliding rod 14 drives the pin block 15 to automatically engage with the pin slot 11 of the plug plate 7, the spring 16 provides elastic pre-tightening force to ensure stable locking, and only the pull ring 17 needs to be pushed and pulled to realize quick disassembly and assembly during plugging and unplugging.

[0030] In the further preferred embodiment of the utility model, one end of the sliding rod 14 is fixedly provided with the pull ring 17, and the pull ring 17 is made of stainless steel.

[0031] In the embodiment, the sliding rod 14 can be driven to move transversely through the pull ring 17, the sliding rod 14 drives the pin block 15 to automatically engage with the pin slot 11 of the plug plate 7, the spring 16 provides elastic pre-tightening force to ensure stable locking, and only the pull ring 17 needs to be pushed and pulled to realize quick disassembly and assembly during plugging and unplugging.

[0032] In the further preferred embodiment of the utility model, the brake mechanism comprises: a vertical plate 18 fixedly mounted on the inner wall of the top of the support 1; a screw rod 19 rotatably mounted on the inner wall of the top of the support 1; a connecting plate 20 rotatably mounted at the bottom end of the screw rod 19; a U-shaped plate 21 threadedly sleeved on the screw rod 19; a rectangular plate 22 fixedly mounted at the bottom of the U-shaped plate 21; and a brake pad 23 mounted at the bottom of the rectangular plate 22.

[0033] In the embodiment, the brake mechanism is fixedly supported by the vertical plate 18, the screw rod 19 drives the U-shaped plate 21 and the rectangular plate 22 to ascend and descend, the brake pad 23 is in contact with or separated from the tire 4, and stable braking is realized; the structure optimizes the brake operation mode, adopts threaded transmission to ensure that the braking force is controllable, accidental sliding is avoided, is applicable to scenes, such as trolleys and medical instruments, that need accurate braking, and overall considers the functions of quick disassembly and assembly, flexible adaptation and safe parking.

[0034] The further preferable embodiment of the utility model further provides a worm 24 is rotationally installed on the vertical plate 18, a worm wheel 25 is fixedly sleeved on the screw rod 19, and the worm wheel 25 is engaged with the worm 24.

[0035] In the embodiment, the brake mechanism drives the worm wheel 25 to rotate the screw rod 19 through the worm 24, prevents reverse rotation by using the self-locking characteristics of the worm wheel and worm, and makes the brake position of the brake pad 23 more stable and reliable.

[0036] In the further preferable embodiment of the utility model, one end of the worm 24 is fixedly installed with a knob 26, and the knob 26 is made of stainless steel.

[0037] In the embodiment, the stainless steel knob 26 is additionally arranged at the end of the worm 24 to improve the operation feeling and rust resistance, and the knob 26 is rotated to drive the worm wheel 25 and the screw rod 19 to control the lifting of the brake pad 23.

[0038] Compared with the related art, the castor provided by the utility model not only has the functions of quick mounting and quick dismounting, but also has the brake function, and is convenient to operate.

[0039] In the several embodiments provided by the present application, it should be understood that the disclosed device can be implemented in other ways.

[0040] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit the protection scope of the utility model. Obviously, the described embodiments are only some of the embodiments of the utility model, not all the embodiments. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still make modifications to the features of the embodiments of the utility model according to the circumstances without creative labor, such as mutual combination, addition or deletion, or other adjustments, to obtain different other technical solutions that do not deviate from the concept of the utility model in essence. These technical solutions also belong to the scope of protection of the utility model.

Claims

1. A quick-install caster, characterized in that, Include: Support (1); Rotary installation on the axle (2) of the support (1); Fixed set on the hub (3) of the axle (2); set on the hub (3) of the tire (4); Fixedly installed on the top of the support (1) for enabling caster to rotate the connecting column (5); Rotary installation on the top of the connecting column (5) of the horizontal plate (6); fixedly installed on the top of the horizontal plate (6) of the plugboard (7); set on the mounting seat (8) of the plugboard (7); The installation locking mechanism is installed on the mounting seat (8) for fixing the plugboard (7); The brake mechanism is installed on the inner wall of the top of the support (1) for braking the caster.

2. The quick shoe of claim 1 wherein, The top of the mounting seat (8) is fixedly installed with a mounting plate (9), and a plurality of mounting hole positions (10) are formed in the mounting plate (9).

3. The quick shoe of claim 1 wherein, The side of the plugboard (7) is provided with a pin slot (11), and the bottom of the mounting seat (8) is provided with an insertion slot (12), and the inner wall of the insertion slot (12) is provided with an installation slot (13).

4. The quick shoe of claim 3 wherein, The installation locking mechanism comprises: The sliding rod (14) is slidably installed on the inner wall of the installation slot (13); The pin block (15) is slidably installed on the inner wall of the installation slot (13) and matched with the pin slot (11), and the pin block (15) is fixedly connected with the sliding rod (14); The spring (16) is slidably set on the sliding rod (14).

5. The quick shoe of claim 4 wherein, One end of the sliding rod (14) is fixedly installed with a pull ring (17), and the pull ring (17) is made of stainless steel.

6. The quick shoe of claim 1 wherein, The brake mechanism comprises: The vertical plate (18) is fixedly installed on the inner wall of the top of the support (1); The screw rod (19) is rotatably installed on the inner wall of the top of the support (1); the connecting plate (20) is rotatably installed on the bottom end of the screw rod (19); the U-shaped plate (21) is threadedly set on the screw rod (19); the rectangular plate (22) is fixedly installed on the bottom of the U-shaped plate (21); The brake pad (23) is installed on the bottom of the rectangular plate (22).

7. The quick shoe of claim 6 wherein, The vertical plate (18) is rotatably installed with a worm (24), the screw rod (19) is fixedly set with a worm wheel (25), and the worm wheel (25) is engaged with the worm (24).

8. The quick shoe of claim 7 wherein, One end of the worm (24) is fixedly installed with a knob (26), and the knob (26) is made of stainless steel.