Universal wheel with double-pedal and double-brake locking function
The swivel wheel design with dual pedals and dual brake locking function uses the meshing of gears and teeth to lock and unlock the wheels, solving the problem of difficult directional control after braking and improving the service life and safety of the swivel wheels.
Patent Information
- Application Number
- CN202520219141.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-02-12
AI Technical Summary
Existing casters cannot lock their direction after braking, making them prone to changing direction and affecting their service life.
The omnidirectional wheel is designed with dual pedals and dual brakes with locking function. Through the cooperation of the first and second pressing mechanisms and the locking mechanism, the locking and unlocking of the wheel is achieved by the meshing of gears and teeth, ensuring directional stability.
It enables directional control of the casters, improves service life and safety, and ensures that the casters are not easily damaged when braking.
Smart Images
Figure CN223750563U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of universal wheel, especially double pedal double brake lock function's universal wheel. BACKGROUND
[0002] Universal wheel is so called movable caster, its structure allows horizontal 360 degree rotation. Caster is a general term, including movable caster and fixed caster. Fixed caster has no rotating structure, can not horizontally rotate only vertically rotate. The two kinds of casters are generally used in pairs, such as the structure of handcart is two fixed wheels in front, two movable universal wheels close to the pushing handle at back.
[0003] The existing universal wheel can brake and lock the handcart through the way of foot pedal, when the handcart is braked by the universal wheel, the direction of the universal wheel cannot be locked, the direction of the universal wheel is easy to change, and when the handcart is braked, the direction of the universal wheel is not controlled, the universal wheel is damaged, and the service life is affected.
[0004] Therefore, it is urgent to provide double pedal double brake lock function's universal wheel to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model solves the technical problem of overcoming the above-mentioned prior art, providing double pedal double brake lock function's universal wheel.
[0006] To solve the above technical problems, one technical scheme of the utility model is to provide double pedal double brake lock function's universal wheel, including support plate, the side fixed mounting of support frame has front frame, the inside rotation of support frame and front frame is connected with the roller, the surface rotation of front frame is connected with the rotating mechanism, further including:
[0007] The side rotation of support frame is connected with the first pressing mechanism, the inside rotation of first pressing mechanism is connected with the second pressing mechanism, and the inside movable connection of first pressing mechanism and second pressing mechanism has lock mechanism.
[0008] The utility model further sets up: the rotating mechanism includes mounting plate, the lower surface rotation of mounting plate is connected with bearing, the inside rotation of bearing is connected in front frame, and one end of bearing is fixedly installed with gear.
[0009] Through the above technical scheme, the setting of mounting plate is convenient for the upper part of handcart connection installation, the setting of bearing makes handcart can rotate in direction, through the meshing of gear and gear teeth, first pressing mechanism and second pressing mechanism can lock the roller and rotating mechanism simultaneously.
[0010] The present invention is further configured such that: the first pressing mechanism includes a first rotating plate, the first rotating plate is rotatably connected inside the support frame, a pressing plate is fixedly installed at one end of the first rotating plate, and a plurality of anti-slip textures are fixedly installed on the surface of the pressing plate.
[0011] With the above technical solution, when the pressing plate is pressed, the first rotating plate rotates inside the support frame, from horizontal to inclined, so that the brake plate can contact the surface of the roller, thereby locking the roller. The anti-slip texture increases the friction with the human body and ensures the pressing effect.
[0012] The present invention is further configured such that: a first rotating shaft and a second rotating shaft are rotatably connected inside the first rotating plate, the first rotating shaft is rotatably connected inside one end of the support frame, and the first rotating shaft and the second rotating shaft are on the same horizontal plane.
[0013] Through the above technical solution, by setting the first rotating shaft, the front end of the first rotating plate rotates with the rear end of the support frame as the center point, while ensuring that the first rotating plate will not detach from the support frame when rotating. The setting of the second rotating shaft allows the front end of the second rotating plate to rotate with the rear end of the first rotating plate as the center point.
[0014] The present invention is further configured such that: the second pressing mechanism includes a second rotating plate, the second rotating plate is rotatably connected inside the first rotating plate, a pressing plate is fixedly installed at one end of the second rotating plate, and a third rotating shaft is rotatably connected inside the second rotating plate, the second rotating shaft being rotatably connected inside the second rotating plate.
[0015] Through the above technical solution, the setting of the second rotating shaft ensures that the second rotating plate will not detach from the interior of the first rotating plate when rotating. In the initial state, the second rotating plate is tilted. By pressing the pressing plate at the end of the first rotating plate, the first rotating plate is rotated to the tilted state and forms an inclined straight line shape with the second rotating plate. At this time, the brake plate contacts the roller and locks the roller. When it is necessary to unlock the roller, press the pressing plate at the end of the second rotating plate. The front end of the second rotating plate is lifted up, which lifts the rear end of the first rotating plate, causing the first rotating plate to rotate back to the horizontal, thereby moving the brake plate away from the roller surface and unlocking the roller.
[0016] The present invention is further configured such that: the locking mechanism includes a movable plate, the movable plate is movably connected to the surfaces of the first rotating shaft and the third rotating shaft, a brake plate is fixedly installed on the surface of the movable plate, a plurality of brake protrusions are fixedly installed on the surface of the brake plate, and the brake plate is movably fitted with the surface of the roller.
[0017] Through the technical scheme, when the first rotating plate rotates, the movable plate can rotate at a small angle through the arrangement of the first rotating shaft and the third rotating shaft, the brake plate on the surface of the movable plate is in contact with the surface of the roller through the small-angle rotation to lock the roller, the brake protrusion is in contact with the surface of the roller, and the anti-skid capability of the roller is improved.
[0018] The utility model further sets up: one end of movable board is connected with extension board fixedly, the surface of extension board is equipped with elastic plate fixed mounting, one end of elastic plate is combined with the inner wall of support frame, one end of extension board is equipped with a plurality of teeth fixed mounting, tooth and gear are combined.
[0019] Through the technical scheme, when the movable plate rotates at a small angle, the extension plate rotates at this time, the front end of the extension plate is lifted to a certain height, the teeth are engaged with the gear, the bearing is locked, the rotating mechanism is further locked, and the orientation of the roller is realized.
[0020] The utility model has the advantages that:
[0021] The utility model sets up first pressing mechanism and second pressing mechanism, when the rotating mechanism and the roller need to be locked, the brake plate is in contact with the roller through the first pressing mechanism, the teeth are lifted to the gear, the rotating mechanism and the roller are locked at the same time, the first pressing mechanism can return to the initial state through the second pressing mechanism, the brake plate is away from the surface of the roller, the teeth are removed from the surface of the gear, the rotating mechanism and the roller are unlocked at the same time, and the control of the roller is improved. ACCOUT OF DRAWINGS
[0022] Figure 1 It is the three-dimensional structure schematic diagram of the utility model device;
[0023] Figure 2 It is the cross section structure schematic diagram of the utility model device;
[0024] Figure 3 It is the first pressing mechanism, second pressing mechanism and locking mechanism structure schematic diagram of the utility model device;
[0025] Figure 4 It is the Figure 2 It is the structure enlarged schematic diagram of A place in the utility model device.
[0026] In the figure: 1, support frame; 2, front frame; 3, roller; 4, rotating mechanism; 41, mounting plate; 42, bearing; 43, gear; 5, first pressing mechanism; 51, first rotating plate; 52, pressing plate; 53, anti-skid pattern; 54, first rotating shaft; 55, second rotating shaft; 6, second pressing mechanism; 61, second rotating plate; 62, third rotating shaft; 7, locking mechanism; 71, movable plate; 72, brake plate; 73, brake protrusion; 74, extension plate; 75, elastic plate; 76, gear teeth. DETAILED DESCRIPTION
[0027] The preferred embodiments of the present application are described in detail below with reference to the accompanying drawings, so that the advantages and features of the present application can be more easily understood by those skilled in the art, and the scope of protection of the present application is more clearly defined.
[0028] Please refer to Figures 1-4 The present application provides a universal wheel with double pedal and double brake locking functions, which comprises a support plate 1, a front frame 2 is fixedly installed on one side of the support frame 1, a roller 3 is rotatably connected inside the support frame 1 and the front frame 2, and a rotating mechanism 4 is rotatably connected to the surface of the front frame 2.
[0029] As Figure 4 shown, the rotating mechanism 4 comprises a mounting plate 41, the lower surface of the mounting plate 41 is rotatably connected with a bearing 42, the bearing 42 is rotatably connected inside the front frame 2, and the one end of the bearing 42 is fixedly installed with a gear 43.
[0030] In this embodiment: the mounting plate 41 is provided to facilitate connection and installation with the upper part of the trolley, the bearing 42 is provided to enable the trolley to rotate in direction, and the meshing of the gear 43 and the gear teeth 76 is provided to enable the first pressing mechanism 5 and the second pressing mechanism 6 to simultaneously lock the roller 3 and the rotating mechanism 4.
[0031] The support frame 1 is rotatably connected with the first pressing mechanism 5, the inside of the first pressing mechanism 5 is rotatably connected with the second pressing mechanism 6, and the inside of the first pressing mechanism 5 and the second pressing mechanism 6 is movably connected with the locking mechanism 7.
[0032] As Figure 3 shown, the first pressing mechanism 5 comprises a first rotating plate 51, the first rotating plate 51 is rotatably connected inside the support frame 1, the one end of the first rotating plate 51 is fixedly installed with a pressing plate 52, and the surface of the pressing plate 52 is fixedly installed with a plurality of anti-skid patterns 53.
[0033] In this embodiment: when the pressing plate 52 is pressed, the first rotating plate 51 rotates inside the support frame 1 from horizontal to inclined, so that the brake plate 72 can be in contact with the surface of the roller 3, the locking of the roller 3 is realized, the anti-skid pattern 74 improves the friction force in contact with the human body, and the pressing effect is ensured.
[0034] As shown in Figure 3 , the first rotating plate 51 is internally rotatably connected with the first rotating shaft 54 and the second rotating shaft 55, the first rotating shaft 54 is rotatably connected inside one end of the support frame 1, and the first rotating shaft 54 and the second rotating shaft 55 are in the same horizontal plane.
[0035] In this embodiment: through the setting of the first rotating shaft 54, the front end of the first rotating plate 51 rotates around the rear end of the support frame 1 as the center point, while ensuring that the first rotating plate 51 does not come off the inside of the support frame 1 when rotating, and the setting of the second rotating shaft 55 makes the front end of the second rotating plate 61 rotate around the rear end of the first rotating plate 51 as the center point.
[0036] As shown in Figure 3 , the second pressing mechanism 6 includes a second rotating plate 61 rotatably connected inside the first rotating plate 51, one end of the second rotating plate 61 is fixedly installed with a pressing plate 52, and the inside of the second rotating plate 61 is rotatably connected with a third rotating shaft 62, and the second rotating shaft 55 is rotatably connected inside the second rotating plate 61.
[0037] In this embodiment: the setting of the second rotating shaft 55 ensures that the second rotating plate 61 does not come off the inside of the first rotating plate 51 when rotating, in the initial state, the second rotating plate 61 is inclined, by pressing the pressing plate 52 at the end of the first rotating plate 51, the first rotating plate 51 is rotated to an inclined state, and an inclined straight line shape is formed with the second rotating plate 61, at this time, the brake plate 72 is in contact with the roller 3, and the roller 3 is locked, when it is needed to unlock the roller 3, press the pressing plate 52 at the end of the second rotating plate 61, the front end of the second rotating plate 61 is raised, the rear end of the first rotating plate 51 is lifted, and the first rotating plate 51 is rotated to the horizontal, so that the brake plate 72 is away from the surface of the roller 3, and the unlocking of the roller 3 is realized.
[0038] As shown in Figure 3 , the locking mechanism 7 includes a movable plate 71 movably connected to the surface of the first rotating shaft 54 and the third rotating shaft 62, the surface of the movable plate 71 is fixedly installed with a brake plate 72, the surface of the brake plate 72 is fixedly installed with a plurality of brake protrusions 73, and the brake plate 72 is movably attached to the surface of the roller 3.
[0039] In this embodiment: when the first rotating plate 51 rotates, through the setting of the first rotating shaft 54 and the third rotating shaft 62, the movable plate 71 can rotate at a small angle, the brake plate 72 on the surface of the movable plate 71 is in contact with the surface of the roller 3 through the small angle rotation to lock the roller 3, and the brake protrusions 73 are in contact with the surface of the roller 3 to improve the anti-skid ability of the roller 3.
[0040] As shown in Figure 4As shown, one end of the movable plate 71 is fixedly connected with an extension plate 74, the surface of the extension plate 74 is fixedly installed with an elastic plate 75, one end of the elastic plate 75 is movably attached to the inner wall of the support frame 1, one end of the extension plate 74 is fixedly installed with a plurality of teeth 76, and the teeth 76 are movably engaged with the gear 43.
[0041] In the embodiment, when the movable plate 71 is rotated at a small angle, the front end of the extension plate 74 is lifted to a certain height to make the teeth 76 engaged with the gear 43, thereby locking the bearing 42 and further locking the rotating mechanism 4 to realize the orientation of the roller 3.
[0042] In the initial state, the second rotating plate 61 is inclined, the first rotating plate 51 is rotated to an inclined state by pressing the pressing plate 52 at the end of the first rotating plate 51, and the second rotating plate 61 forms an inclined linear shape, at this time, the brake plate 72 is in contact with the roller 3 to lock the roller 3, when it is needed to unlock the roller 3, the pressing plate 52 at the end of the second rotating plate 61 is pressed, the front end of the second rotating plate 61 is lifted, the rear end of the first rotating plate 51 is lifted, the first rotating plate 51 is rotated to be horizontal, thereby making the brake plate 72 away from the surface of the roller 3 to realize the unlocking of the roller 3.
[0043] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.
Claims
1. A universal wheel with double pedal double brake lock function, comprising a support frame (1), characterized in that, One side of the support frame (1) is fixedly installed with a front frame (2), the support frame (1) and the front frame (2) are rotatably connected with a roller (3), the surface of the front frame (2) is rotatably connected with a rotating mechanism (4), and the rotating mechanism (4) further comprises: One side of the support frame (1) is rotatably connected with a first pressing mechanism (5), the inside of the first pressing mechanism (5) is rotatably connected with a second pressing mechanism (6), and the inside of the first pressing mechanism (5) and the second pressing mechanism (6) is movably connected with a locking mechanism (7).
2. The dual-pedal dual-brake lockable function omni-wheel according to claim 1, wherein: The rotating mechanism (4) comprises a mounting plate (41), the lower surface of the mounting plate (41) is rotatably connected with a bearing (42), the bearing (42) is rotatably connected in the inside of the front frame (2), and one end of the bearing (42) is fixedly installed with a gear (43).
3. The dual platform dual brake lock function omni-wheel of claim 1, wherein: The first pressing mechanism (5) comprises a first rotating plate (51), the first rotating plate (51) is rotatably connected in the inside of the support frame (1), one end of the first rotating plate (51) is fixedly installed with a pressing plate (52), and the surface of the pressing plate (52) is fixedly installed with a plurality of anti-skid lines (53).
4. The dual-pedal dual-brake lockable function omni-wheel according to claim 3, wherein: The inside of the first rotating plate (51) is rotatably connected with a first rotating shaft (54) and a second rotating shaft (55), the first rotating shaft (54) is rotatably connected in the inside of one end of the support frame (1), and the first rotating shaft (54) and the second rotating shaft (55) are in the same horizontal plane.
5. The dual-pedal dual-brake lockable function omni-wheel according to claim 4, wherein: The second pressing mechanism (6) comprises a second rotating plate (61), the second rotating plate (61) is rotatably connected in the inside of the first rotating plate (51), one end of the second rotating plate (61) is fixedly installed with a pressing plate (52), the inside of the second rotating plate (61) is rotatably connected with a third rotating shaft (62), and the second rotating shaft (55) is rotatably connected in the inside of the second rotating plate (61).
6. The dual-pedal dual-brake lockable function omni-wheel according to claim 5, wherein: The locking mechanism (7) comprises a movable plate (71), the movable plate (71) is movably connected to the surfaces of the first rotating shaft (54) and the third rotating shaft (62), the surface of the movable plate (71) is fixedly installed with a brake plate (72), the surface of the brake plate (72) is fixedly installed with a plurality of brake protrusions (73), and the brake plate (72) is movably attached to the surface of the roller (3).
7. The dual-pedal dual-brake lockable function omni-wheel according to claim 6, wherein: One end of the movable plate (71) is fixedly connected with an extension plate (74), the surface of the extension plate (74) is fixedly installed with an elastic plate (75), one end of the elastic plate (75) is movably attached to the inner wall of the support frame (1), one end of the extension plate (74) is fixedly installed with a plurality of teeth (76), and the teeth (76) are movably engaged with the gear (43).