Foot brake structure applicable to trolley trundles

Abstract

The utility model discloses a foot brake structure applicable to trolley trundles, which comprises a limit component, a brake component and a brake component, and the limit component comprises a fixed frame, a rotating column, a limit frame and a limit rod; the fixing frame is fixed to the outer surface of one side of the cart body, the rotating column is rotationally connected into the fixing frame, the limiting frame is fixed to the lower surface of the rotating column, and the limiting rod penetrates through the fixing frame and the rotating column. By means of the arranged limiting assembly, when the cart body needs to be fixed to the needed position, pulling force is applied to the guide frame, the limiting rod is driven to be separated from the interior of the rotating column, pushing force is applied to the rotating column, the limiting frame is clamped outside the trundle body, the force applied to the guide frame is cancelled, and under the elastic force effect of the first spring, the cart body can be fixed to the needed position. According to the scheme, the limiting frame 23 is rapidly positioned to the needed position, the structure is simple, operation is easy, and the practicability of the using structure is improved.

Description

Technical Field

[0001] This utility model relates to the field of foot brake structure technology, and in particular to a foot brake structure suitable for handcart casters. Background Technology

[0002] In many fields such as logistics and transportation, construction, and warehouse management, handcarts play an indispensable role as a common and important handling tool. However, with the increasing complexity and diversity of usage scenarios, higher requirements are being placed on the braking performance of handcart casters.

[0003] Existing foot brake structures require considerable time and effort to fix handcarts in place due to the small size of the pedal, thus reducing their practicality. Therefore, a foot brake structure suitable for handcart casters is needed to quickly position the limit frame to the desired location. This structure should be simple, easy to operate, and improve the practicality of the design. Utility Model Content

[0004] The purpose of this utility model is to provide a foot brake structure suitable for handcart casters, in order to solve the problem mentioned in the background art that the existing foot brake structure requires a lot of time and effort to step on the pedal to the desired position when fixing the handcart due to the small design of the pedal, thus reducing the practicality of using the structure.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model relates to a foot brake structure suitable for handcart casters, comprising:

[0007] A connecting assembly, the connecting assembly including a trolley body and caster bodies fixed to the bottom of the trolley body;

[0008] The limiting assembly includes a fixed frame, a rotating column, a limiting frame, and a limiting rod; the fixed frame is fixed to the outer surface of one side of the trolley body, the rotating column is rotatably connected to the inside of the fixed frame, the limiting frame is fixed to the lower surface of the rotating column, and the limiting rod passes through and connects to the inside of the fixed frame and the rotating column.

[0009] Furthermore, a first spring and a protective tube are fixed to the outer surface of the fixed frame, with the first spring located inside the protective tube.

[0010] Furthermore, a guide frame is fixed to the outer surface of the limiting rod, and the outer surface of the guide frame is fixed to the outer surface of the first spring.

[0011] Furthermore, it also includes a replacement component, which includes a rubber pad, a connecting post, a movable plate, and a limiting block; the rubber pad is located inside the limiting frame, the connecting post is fixed to the outer surface of the rubber pad and extends through the inside of the limiting frame, the movable plate is fixed to the outer surface of the limiting frame, the limiting block is fixed to the lower surface of the movable plate and extends through the inside of the connecting post.

[0012] Furthermore, a second spring is fixed to the upper surface of the movable plate, and a fixing plate is fixed to the upper surface of the second spring. The fixing plate is fixed to the outer surfaces of both sides of the limiting frame.

[0013] Furthermore, a connecting pipe is fixed to the upper surface of the fixed plate, a magnet block is fixed inside the connecting pipe, and a magnet column is fixed to the upper surface of the movable plate.

[0014] Compared with existing technologies, the advantages of this utility model are:

[0015] I. This utility model, through the setting of a limiting component, when it is necessary to fix the trolley body in the required position, applies a pulling force to the guide frame, causing the limiting rod to disengage from the inside of the rotating column, and applies a pushing force to the rotating column, so that the limiting frame is locked outside the caster body. When the force applied to the guide frame is removed, under the elastic force of the first spring, the limiting rod is inserted into the rotating column and the fixed frame. This solution can quickly position the limiting frame to the required position, has a simple structure and is easy to operate, and improves the practicality of the structure.

[0016] Second, based on the first beneficial effect, when the worn rubber pad needs to be replaced with the replacement component, an upward lifting force is applied to the movable plate, causing the magnetic column to be inserted into the connecting tube, so that the magnetic column and the magnetic block are connected together. After the connecting column is unrestricted, the rubber pad is pulled out from inside the limiting frame, and a new rubber pad is placed inside the limiting frame. A downward pressing force is applied to the movable plate, and under the elastic force of the second spring, the limiting block is inserted into the connecting column. This solution can quickly replace the worn rubber pad and reduce the difficulty of maintenance work. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a three-dimensional schematic diagram of the present invention;

[0019] Figure 2 This is a structural diagram of the caster body of this utility model;

[0020] Figure 3 This is a sectional view of the fixing frame of this utility model;

[0021] Figure 4 This is a cross-sectional view of the replacement component of this utility model.

[0022] The attached diagram lists the components represented by each number as follows:

[0023] 11. Cart body; 12. Casters body;

[0024] 21. Fixed frame; 22. Rotating column; 23. Limiting frame; 24. First spring; 25. Protective tube; 26. Limiting rod; 27. Guide frame;

[0025] 31. Rubber pad; 32. Connecting column; 33. Movable plate; 34. Limiting block; 35. Fixing plate; 36. Second spring; 37. Connecting tube; 38. Magnet block; 39. Magnet column. Detailed Implementation

[0026] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0027] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0029] Please see Figures 1-3 As shown, this embodiment is a foot brake structure suitable for handcart casters, including:

[0030] The connecting assembly includes a trolley body 11 and a caster body 12 fixed to the bottom of the trolley body 11;

[0031] The trolley body 11 serves as the supporting frame for the entire trolley, carrying goods or items that need to be moved. It is the main part of the trolley and provides a mounting base for other components such as casters. The caster body 12 is installed at the bottom of the trolley body 11, enabling the trolley to move.

[0032] The limiting assembly includes a fixed frame 21, a rotating column 22, a limiting frame 23, and a limiting rod 26. The fixed frame 21 is fixed to the outer surface of one side of the trolley body 11, the rotating column 22 is rotatably connected to the inside of the fixed frame 21, the limiting frame 23 is fixed to the lower surface of the rotating column 22, and the limiting rod 26 passes through and connects the inside of the fixed frame 21 and the rotating column 22.

[0033] The fixed frame 21 is used to rotate the rotating column 22 inside it, and the rotating column 22 is used to change the position of the limiting frame 23. The limiting frame 23 holds the caster body 12, thereby restricting the caster body 12 to the required position. The limiting rod 26 is used to restrict the rotating column 22 inside the fixed frame 21.

[0034] A first spring 24 and a protective tube 25 are fixed to the outer surface of the fixed frame 21, with the first spring 24 located inside the protective tube 25.

[0035] The first spring 24 is used to quickly spring back the limiting rod 26 to the desired position, and the protective tube 25 is used to protect the first spring 24, thereby extending the service life of the first spring 24.

[0036] A guide frame 27 is fixed to the outer surface of the limiting rod 26, and the outer surface of the guide frame 27 is fixed to the outer surface of the first spring 24;

[0037] The guide frame 27 facilitates the application of a pulling force to the limiting rod 26, thereby moving the limiting rod 26 to the desired position.

[0038] Working principle: When it is necessary to fix the trolley body 11 in the required position, a pulling force is applied to the guide frame 27, which drives the limiting rod 26 to disengage from the inside of the rotating column 22. A pushing force is applied to the rotating column 22, which makes the limiting frame 23 lock onto the outside of the caster body 12. The force applied to the guide frame 27 is then removed, and under the elastic force of the first spring 24, the limiting rod 26 is inserted into the rotating column 22 and the fixing frame 21.

[0039] This step quickly positions the limiting frame 23 to the desired location. The structure is simple and easy to operate, improving the practicality of the structure.

[0040] Please see Figure 1 , Figure 2 and Figure 4 As shown, this embodiment, based on the above embodiment, also includes a replacement component. The replacement component includes a rubber pad 31, a connecting post 32, a movable plate 33, and a limiting block 34. The rubber pad 31 is located inside the limiting frame 23, the connecting post 32 is fixed to the outer surface of the rubber pad 31 and is connected through the inside of the limiting frame 23, the movable plate 33 is fixed to the outer surface of the limiting frame 23, and the limiting block 34 is fixed to the lower surface of the movable plate 33 and is connected through the inside of the connecting post 32.

[0041] The rubber pad 31 is used to disengage from the caster body 12 and provides friction and cushioning when braking. The connecting post 32 is used to insert into the limiting frame 23, thereby fixing the rubber pad 31 inside the limiting frame 23. The limiting block 34 is used to restrict the connecting post 32 inside the limiting frame 23.

[0042] A second spring 36 is fixed on the upper surface of the movable plate 33, and a fixing plate 35 is fixed on the upper surface of the second spring 36. The fixing plate 35 is fixed on the outer surfaces of both sides of the limiting frame 23.

[0043] The second spring 36 is used to quickly spring the limiting block 34 into the connecting column 32, and the fixing plate 35 is used to support and install the second spring 36.

[0044] A connecting pipe 37 is fixed to the upper surface of the fixed plate 35, and a magnet block 38 is fixed inside the connecting pipe 37. A magnet column 39 is fixed to the upper surface of the movable plate 33.

[0045] The connecting pipe 37 is used to receive and install the magnet block 38, which is used to connect with the magnet post 39, thereby restricting the movable plate 33 to the desired position.

[0046] Working principle: When the worn rubber pad 31 needs to be replaced, an upward lifting force is applied to the movable plate 33, which drives the magnetic column 39 to be inserted into the connecting tube 37, so that the magnetic column 39 and the magnetic block 38 are connected together. After the connecting column 32 is unrestricted, the rubber pad 31 is pulled out from the limiting frame 23, and the new rubber pad 31 is placed into the limiting frame 23. A downward pressing force is applied to the movable plate 33, and under the elastic force of the second spring 36, the limiting block 34 is inserted into the connecting column 32.

[0047] This step allows for quick replacement of worn rubber pads 31, reducing the difficulty of maintenance work.

[0048] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" 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 mechanical connection or an electrical 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 according to the specific circumstances.

[0049] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A foot brake structure suitable for handcart casters, characterized in that, include: The connecting assembly includes a trolley body (11) and a caster body (12) fixed to the bottom of the trolley body (11); The limiting component includes a fixed frame (21), a rotating column (22), a limiting frame (23), and a limiting rod (26). The fixed frame (21) is fixed to the outer surface of one side of the trolley body (11), the rotating column (22) is rotatably connected to the inside of the fixed frame (21), the limiting frame (23) is fixed to the lower surface of the rotating column (22), and the limiting rod (26) is connected through the inside of the fixed frame (21) and the rotating column (22).

2. The foot brake structure based on a handcart caster according to claim 1, characterized in that, The outer surface of the fixed frame (21) is fixed with a first spring (24) and a protective tube (25), with the first spring (24) located inside the protective tube (25).

3. A foot brake structure suitable for handcart casters according to claim 1, characterized in that, The guide frame (27) is fixed on the outer surface of the limiting rod (26), and the outer surface of the guide frame (27) is fixed to the outer surface of the first spring (24).

4. A foot brake structure suitable for handcart casters according to claim 1, characterized in that, It also includes a replacement component, which includes a rubber pad (31), a connecting post (32), a movable plate (33), and a limiting block (34); the rubber pad (31) is located inside the limiting frame (23), the connecting post (32) is fixed to the outer surface of the rubber pad (31), the connecting post (32) is connected through the inside of the limiting frame (23), the movable plate (33) is fixed to the outer surface of the limiting frame (23), the limiting block (34) is fixed to the lower surface of the movable plate (33), and the limiting block (34) is connected through the inside of the connecting post (32).

5. A foot brake structure suitable for handcart casters according to claim 4, characterized in that, A second spring (36) is fixed on the upper surface of the movable plate (33), and a fixing plate (35) is fixed on the upper surface of the second spring (36). The fixing plate (35) is fixed on the outer surfaces of both sides of the limiting frame (23).

6. A foot brake structure suitable for handcart casters according to claim 5, characterized in that, A connecting pipe (37) is fixed on the upper surface of the fixed plate (35), a magnet block (38) is fixed inside the connecting pipe (37), and a magnet column (39) is fixed on the upper surface of the movable plate (33).

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