Pressure brake universal wheel with toothed wheels

Abstract

The pressure brake universal wheel comprises a wheel carrier main body, a wheel shaft and a wheel, the wheel carrier main body comprises two wheel carrier side plates which are arranged in a bilateral symmetry mode, limiting holes extending up and down are formed in the wheel carrier side plates, the wheel shaft penetrates into the limiting holes and moves up and down, and the wheel is rotationally connected to the wheel shaft. The two ends of the wheel shaft are respectively provided with an elastic assembly which enables the wheel shaft to be kept at the lowest position of the limiting hole, the end face, facing the wheel frame side plate, of the wheel is provided with an inner gear ring which is coaxially arranged, a plurality of adjacent braking tooth grooves with equal interval included angles are distributed in the inner wall of the inner gear ring in the circumferential direction, and braking teeth arranged on the wheel frame side plate are embedded in the braking tooth groove on the uppermost portion. The pressure wheel can keep self-locking in an unpressed natural state, so that the wheel cannot rotate, and a good braking effect is achieved; when the wheel is pressed, the brake teeth can be separated from the brake tooth grooves through linkage of an internal mechanism, the rolling function of the wheel can be achieved, the overall function is complete, and practicability is high.

Description

Technical Field

[0001] This utility model relates to a caster, and more specifically, to a toothed pressure brake caster. Background Technology

[0002] Traditional casters require manual control of the brake pads or brake blocks to apply pressure to the wheel surface and restrict rotation when braking. Releasing the brake requires resetting the brake pads or brake blocks, a cumbersome and easily forgotten process. Furthermore, under strong external force, the brake pads or brake blocks can easily detach, posing a safety hazard and resulting in poor overall performance. Therefore, this invention proposes a toothed pressure brake swivel caster. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a toothed pressure brake universal wheel.

[0004] To solve the above-mentioned technical problems, the purpose of this utility model is achieved as follows: The utility model relates to a toothed pressure brake universal wheel, including a wheel frame body, a wheel axle, and a wheel. The wheel frame body includes two wheel frame side plates arranged symmetrically from left to right. The wheel frame side plates are provided with limiting holes that extend vertically. The wheel axle passes through the limiting holes and moves vertically. The wheel is rotatably connected to the wheel axle. The two ends of the wheel axle are respectively provided with elastic components to keep it in the lowest position of the limiting holes. The end face of the wheel facing the wheel frame side plates is provided with an internal toothed ring arranged coaxially. The inner wall of the internal toothed ring is circumferentially distributed with a number of adjacent brake tooth grooves with equal included angles. The uppermost brake tooth groove is embedded with a brake tooth provided on the wheel frame side plate.

[0005] The present invention is further configured such that: the elastic component includes an outer cover connected to the wheel frame side plate, and a partition strip is provided inside the outer cover. The partition strip divides the interior of the outer cover into an upper mounting chamber and a lower mounting chamber that extend vertically. A slider is slidably connected in the lower mounting chamber. The end of the wheel axle is connected to the slider. A transmission column is slidably connected on the partition strip. One end of the transmission column abuts against the slider, and the other end is provided with a limiting part. An elastic element is provided in the upper mounting chamber, with its upper end abutting against the outer cover and its lower end abutting against the limiting part.

[0006] The present invention is further configured such that the elastic element is a compression spring.

[0007] In summary, this utility model has the following beneficial effects: The toothed pressure brake universal wheel involved in this utility model can maintain self-locking in its natural state when not under pressure, so that the wheel cannot rotate and achieves a good braking effect; when under pressure, the brake teeth can be disengaged from the brake tooth groove through the linkage of the internal mechanism, so that the wheel can roll. The overall function is perfect and the practicality is strong. Attached Figure Description

[0008] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0009] Figure 2 This is a partial structural schematic diagram of the present invention;

[0010] Figure 3 This is a partial structural schematic diagram of the present invention. Detailed Implementation

[0011] To enable those skilled in the art to better understand the technical solution of this utility model, the preferred embodiments of this utility model are described below in conjunction with specific examples. However, it should be understood that these descriptions are only for further illustrating the features and advantages of this utility model, and not for limiting the patent claims of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this utility model.

[0012] The present invention will be further described below with reference to the accompanying drawings and preferred embodiments.

[0013] Example 1

[0014] See Figures 1 to 3 As shown, the toothed pressure brake universal wheel involved in this embodiment includes a wheel frame body, a wheel axle 1, and a wheel 2. The wheel frame body includes two wheel frame side plates 3 arranged symmetrically from left to right. The wheel frame side plates 3 are provided with limiting holes 4 that extend vertically. The wheel axle 1 passes through the limiting holes and moves vertically. The wheel 2 is rotatably connected to the wheel axle 1. Both ends of the wheel axle 1 are provided with elastic components to keep it in the lowest position of the limiting holes. The end face of the wheel 2 facing the wheel frame side plate 3 is provided with an internal tooth ring 5 arranged coaxially. The inner wall of the internal tooth ring 5 is provided with a plurality of adjacent brake tooth grooves 6 with equal included angles. The uppermost brake tooth groove 6 is embedded with a brake tooth 7 provided on the wheel frame side plate.

[0015] Furthermore, the elastic component includes an outer cover 8 connected to the wheel frame side plate 3. The outer cover 8 is provided with a partition 9, which divides the interior of the outer cover into an upper mounting chamber 10 and a lower mounting chamber 11 extending vertically. A slider 12 is slidably connected in the lower mounting chamber 11. The end of the wheel axle 1 is connected to the slider 12. A transmission column 13 is slidably connected to the partition 9. One end of the transmission column 13 abuts against the slider, and the other end is provided with a limiting part 14. An elastic element 15, which is a compression spring, is provided in the upper mounting chamber 10, with its upper end abutting against the outer cover 8 and its lower end abutting against the limiting part.

[0016] In this embodiment, under its natural state, the axle 1, due to the action of the elastic element 15, keeps the wheel 2 at the lowest position of the limiting hole 4, causing the brake tooth 7 to be embedded in the uppermost brake tooth groove 6, locking the wheel 2 and preventing it from rotating relative to the wheel frame body. When it is necessary to release the lock on the wheel 2, the pressure brake of the entire caster wheel needs to be pressed down, causing the wheel frame body to move downward relative to the axle 1. During this process, the slider 12 moves upward in the lower mounting chamber 11. Through linkage, the transmission column 13 moves upward carrying the limiting part 14, compressing the elastic element 15, causing the brake tooth 7 to disengage from the brake tooth groove 6, and allowing the wheel 2 to rotate relative to the wheel frame body.

[0017] The universal wheel with toothed pressure brake involved in this utility model can maintain self-locking in its natural state when not under pressure, so that the wheel cannot rotate and achieves a good braking effect; when under pressure, the brake teeth can be disengaged from the brake tooth groove through the linkage of the internal mechanism, so that the wheel can roll. The overall function is perfect and the practicality is strong.

[0018] Unless otherwise specified, in this utility model, terms such as "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the actual orientation or positional relationship shown. They are used only for the convenience of describing this utility model 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. Therefore, the terms used to describe orientation or positional relationships in this utility model are for illustrative purposes only and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood in conjunction with the embodiments and according to the specific circumstances.

[0019] Unless otherwise expressly specified and limited, the terms "set up," "connected," and "linked" in this utility model should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. A toothed press brake universal wheel comprising a wheel carrier body, an axle and a wheel, characterized in that: The wheel frame body comprises two wheel frame side plates arranged in left-right symmetry, a limiting hole extending upward and downward is formed on the wheel frame side plate, the wheel shaft penetrates into the limiting hole and moves upward and downward, the wheel is rotationally connected to the wheel shaft, the both ends of the wheel shaft are respectively provided with elastic components for keeping the wheel shaft in the lowest position of the limiting hole, an inner ring gear coaxially arranged is arranged on the end face of the wheel facing the wheel frame side plate, a plurality of adjacent and equal-interval brake tooth grooves are circumferentially arranged on the inner wall of the inner ring gear, and a brake tooth embedded on the wheel frame side plate is arranged in the uppermost brake tooth groove.

2. The toothed press brake wheel of claim 1, wherein: The elastic component comprises an outer cover connected to the wheel frame side plate, a partition strip is arranged in the outer cover, the inner part of the outer cover is partitioned into an upper mounting chamber and a lower mounting chamber extending upward and downward by the partition strip, a sliding block is slidably connected in the lower mounting chamber, the end of the wheel shaft is connected to the sliding block, a transmission column is slidably connected to the partition strip, one end of the transmission column abuts against the sliding block and the other end is provided with a limiting part, and an elastic piece with the upper end abutting against the outer cover and the lower end abutting against the limiting part is arranged in the upper mounting chamber.

3. The toothed press brake wheel of claim 2, wherein: The elastic piece is a compression spring.

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