Brake protection mechanism and electric transfer vehicle

Abstract

The utility model belongs to the technical field of medical equipment, and particularly relates to a brake protection mechanism and an electric transfer vehicle. The brake protection mechanism comprises a rear wheel brake rod and a pressing rod. The two ends of the rear wheel brake rod are connected with the mounting columns of the rear wheels through rotating shafts, pressing rods are arranged at the ends of the rotating shafts, and the rear wheel brake rod downwards presses the linkage pressing rods to press the driving wheel power supply stop button, so that the driving wheel power supply stop button is closed. The brake protection mechanism adopts the structural design of mechanical linkage, can cut off the electricity of the driving wheel during braking, fundamentally solves the problem of misoperation, is simple in structure and simple and convenient to operate, and reduces the manufacturing cost.

Description

Technical Field

[0001] This utility model belongs to the field of medical equipment technology, specifically a braking protection mechanism and an electric transfer vehicle. Background Technology

[0002] Electric transfer carts are a common transportation tool widely used in warehousing, logistics, and industrial production. To improve their flexibility and operability, modern electric transfer carts are typically equipped with casters and drive wheels, and have a reversing function. The casters enable multi-directional movement of the cart, while the drive wheels provide power support. When braking, the casters are usually locked to prevent the cart from moving.

[0003] However, the existing technology has the following problems: risk of misoperation. When the casters are locked, if the user accidentally starts the drive wheel, the power of the drive wheel may be transmitted to the locked casters, causing the caster brake mechanism to bear excessive force and be damaged; risk of motor overload. When the drive wheel is started while the casters are locked, the drive wheel motor may overheat due to excessive load, or even burn out.

[0004] Therefore, there is an urgent need for a brake protection mechanism that can effectively prevent misoperation during braking, protect the universal wheel brake mechanism and the drive wheel motor, and improve the safety and reliability of electric transfer vehicles. Utility Model Content

[0005] The purpose of this invention is to overcome the defects of the prior art and propose a brake protection mechanism. This brake protection mechanism adopts a mechanical linkage structure design, which can cut off the power to the drive wheel during braking, thereby solving the problem of misoperation from the root. It has a simple structure, is easy to operate, and reduces manufacturing costs.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] A brake protection mechanism, the brake protection mechanism including a rear wheel brake lever and a pressure lever;

[0008] The two ends of the rear wheel brake lever are connected to the mounting post of the rear wheel via a rotating shaft. A pressure rod is provided at the end of the rotating shaft. When the rear wheel brake lever is pressed down, it presses the drive wheel power stop button, thus turning off the drive wheel power stop button.

[0009] Preferably, the drive wheel power stop button is located on the battery box in the bottom frame of the transfer vehicle.

[0010] Preferably, the transfer vehicle includes a bottom frame, a top frame, and a push rod, with the bottom frame and the top frame connected by a support column, and the top frame connected to the push rod;

[0011] The bottom frame is connected to two front wheels at the front end and two rear wheels at the rear end; the front wheels are braked with front wheel brake levers, and the two rear wheels are braked with rear wheel brake levers.

[0012] Preferably, the rear wheel brake lever is a U-shaped lever, and the two ends of the U-shaped lever are connected to the mounting post of the rear wheel via a rotating shaft.

[0013] Preferably, both the front and rear wheels are swivel wheels.

[0014] Compared with the prior art, the technological advancement of this utility model lies in:

[0015] This utility model relates to a rear wheel brake lever linked to a drive wheel power stop button, enabling one-step braking and power cut-off. Operation is simple, and the braking simultaneously cuts off power to the drive wheels, improving stroller safety.

[0016] This utility model's brake protection mechanism can effectively prevent misoperation during braking, avoid damage to the universal wheel brake mechanism and burnout of the drive wheel motor, and improve the reliability of the equipment and user experience. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the brake protection mechanism of this utility model;

[0018] Figure 2 yes Figure 1 Enlarged view of part A in the image;

[0019] Figure 3 This is a structural schematic diagram of the electric transfer vehicle of this utility model.

[0020] Figure label:

[0021] 1. Transfer vehicle; 2. Drive wheel power stop button; 3. Pressure bar; 4. Rear wheel brake lever; 5. Rear wheel; 6. Drive wheel; 7. Mounting column; 8. Shaft; 9. Battery box; 10. Front wheel; 11. Front wheel brake handle; 12. Base frame; 13. Top frame; 14. Push handle; 15. Support column. Detailed Implementation

[0022] The technical solution of this utility model will be described in detail below with reference to the accompanying drawings and embodiments.

[0023] Example 1

[0024] like Figure 1-3 As shown, a brake protection mechanism includes a rear wheel brake lever 4 and a pressure lever 3;

[0025] The two ends of the rear wheel brake lever 4 are connected to the mounting post 7 of the rear wheel 5 through a rotating shaft 8. A pressure rod 3 is provided at the end of the rotating shaft 8. When the rear wheel brake lever 4 presses down on the linkage pressure rod 3, it presses down on the drive wheel power stop button 2, thereby turning off the drive wheel power stop button 2.

[0026] The drive wheel power stop button 2 is located on the battery box of the bottom frame 12 of the transfer vehicle 1. The battery box has a built-in battery for supplying power to the drive wheel.

[0027] like Figure 1 As shown, the transfer vehicle 1 includes a bottom frame 12, a top frame 13 and a push rod 14. The bottom frame 12 and the top frame 13 are connected by a support column 15, and the top frame 13 is connected to the push rod 14.

[0028] The bottom frame 12 is connected to two front wheels 10 at the front end and two rear wheels 5 at the rear end; each front wheel 10 is braked by a front wheel brake handle 11, and the two rear wheels 5 are braked by a rear wheel brake lever 4; the drive wheel 6 is located under the bottom frame 12 of the transfer vehicle 1 and is used to drive the omnidirectional movement of the transfer vehicle.

[0029] The rear wheel brake lever 4 is a U-shaped lever, and the two ends of the U-shaped lever are connected to the mounting post 7 of the rear wheel 5 through a rotating shaft 8.

[0030] Both the front wheel 10 and the rear wheel 5 are swivel casters, such as medical central control casters, with TPR flexible wheel surfaces and center locking control levers (wheel levers with cam holes), which can be used immediately upon purchase.

[0031] In this embodiment, the mounting column 7 is vertically connected to the bottom frame 12, and the lower end of the mounting column 7 is connected to the rear wheel 5 or the front wheel 10. A rotating shaft 8 is provided on the mounting column 7, and the rotating shaft 8 rotates downward to drive the brake of the universal wheel to brake.

[0032] The working process of this utility model:

[0033] Depressing the rear wheel brake lever 4 locks the rear wheel 5. At this time, lever 3 presses down to the drive wheel power stop button 2, stopping the battery from supplying power to drive wheel 6. This prevents accidental activation of drive wheel 6 and avoids brake malfunction. Releasing the rear wheel brake lever 4 releases the drive wheel power stop button 2, allowing the battery to supply power to the drive wheel, and drive wheel 6 can be used normally.

[0034] Example 2

[0035] like Figure 3 As shown, an electric transfer vehicle adopts the braking protection mechanism described in Embodiment 1.

[0036] For any content not described in detail in this utility model, conventional technical knowledge in the field can be used.

[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to the embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solution of this utility model do not depart from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A brake protection mechanism, characterized in that, The brake protection mechanism includes a rear wheel brake lever and a pressure lever; The two ends of the rear wheel brake lever are connected to the mounting post of the rear wheel via a rotating shaft. A pressure rod is provided at the end of the rotating shaft. When the rear wheel brake lever is pressed down, it presses the drive wheel power stop button, thus turning off the drive wheel power stop button.

2. The brake protection mechanism according to claim 1, characterized in that, The drive wheel power stop button is located on the battery box on the bottom frame of the transfer vehicle.

3. The brake protection mechanism according to claim 2, characterized in that, The transfer vehicle includes a bottom frame, a top frame, and a push rod. The bottom frame and the top frame are connected by a support column, and the top frame is connected to the push rod. The bottom frame is connected to two front wheels at the front end and two rear wheels at the rear end; the front wheels are braked with front wheel brake levers, and the two rear wheels are braked with rear wheel brake levers.

4. The brake protection mechanism according to claim 3, characterized in that, The rear wheel brake lever is a U-shaped lever, and the two ends of the U-shaped lever are connected to the mounting post of the rear wheel through a rotating shaft.

5. The brake protection mechanism according to claim 3, characterized in that, Both the front and rear wheels are swivel casters.

6. An electric transfer vehicle, characterized in that, The electric transfer vehicle employs the braking protection mechanism described in any one of claims 1-5.

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