Telescopic arm forklift cab with movable front window and forklift

Abstract

The utility model discloses a telescopic arm forklift cab with a movable front window and a forklift, which comprise a cab frame body and a front window assembly arranged on the cab frame body, and further comprise a limiting mechanism arranged on the cab frame body; the handle lock body is arranged on the front window assembly; the hinge mechanism is arranged on the front window assembly; the air spring is arranged on the front window assembly and connected with the hinge mechanism, the front window assembly can slide on the cab frame body, and when the front window assembly slides to the top horizontal position, the air spring and the hinge mechanism support the front window assembly; according to the telescopic boom forklift cab with the movable front window and the forklift, the problems that in the prior art, the production cost is increased, the structure is complicated, the overall performance and safety of the forklift are possibly affected, and space limitation and obvious defects exist in the aspects of entering and exiting of a driver during container transportation are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of forklifts, in particular to a telescopic arm forklift cab with a movable front window and a forklift. Background Art

[0002] The cab of a telehandler is a crucial component of the forklift, and its design directly impacts the driver's operating experience, safety, and overall performance. Typically, the primary function of a telehandler cab is to provide the driver with a comfortable and safe operating environment while ensuring they can effectively control all forklift functions.

[0003] The cab design of traditional telescopic forklifts primarily prioritizes operator convenience and safety, but fails to fully account for the space constraints inherent in container transport. While the side doors facilitate daily entry and exit, their inability to open properly in specific container transport scenarios exposes design deficiencies. For the driver to easily exit the cab within the container, sufficient lateral clearance is required to open the doors, which places high demands on the container's dimensions and indirectly increases transportation costs.

[0004] Existing technologies mainly increase the height of the cab to accommodate the top exit, or design a detachable cab structure. Although these solutions solve the entry and exit problems to a certain extent, these solutions often lead to increased production costs, complicated structures, and may affect the overall performance and safety of the forklift. Existing technologies still have significant shortcomings in dealing with space constraints and driver entry and exit convenience during container transportation using telescopic arm forklifts. Utility Model Content

[0005] The purpose of the utility model is to provide a telescopic arm forklift cab and forklift with a movable front window, so as to solve the problems that the existing technology often leads to increased production costs, complicated structure, and may affect the overall performance and safety of the forklift. In addition, there are still significant deficiencies in coping with space limitations and driver access convenience when transporting containers with a telescopic arm forklift.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a telescopic forklift cab with a movable front window, comprising a cab frame and a front window assembly, wherein the front window assembly is arranged on the cab frame, and further comprising:

[0007] A limiting mechanism, which is arranged on the cab frame;

[0008] A handle lock body, the handle lock body being arranged on the front window assembly;

[0009] a hinge mechanism, the hinge mechanism being arranged on the front window assembly;

[0010] a gas spring disposed on the front window assembly and connected to the hinge mechanism, wherein the front window assembly is capable of sliding on the cab frame, and the gas spring and the hinge mechanism support the front window assembly when the front window assembly slides to a top horizontal position;

[0011] A sealed airbag is arranged between the cab frame and the front window assembly, and the handle lock body can be clamped with the limiting mechanism to compress the sealed airbag.

[0012] Preferably, the limiting mechanism includes a lock body limiting block, the lock body limiting block is engaged with the handle lock body, and lock body limiting blocks are provided on both sides of the cab frame body.

[0013] Preferably, guide rails are provided on both sides of the middle portion of the cab frame.

[0014] Preferably, the front window assembly includes a front window frame body and a front window glass embedded in the front window frame body, and gas springs are installed on both sides of the front window frame body.

[0015] Preferably, handle lock bodies are fixed on both sides of the front window frame body.

[0016] Preferably, the hinge mechanism is rotatably connected to the side of the front window frame body.

[0017] Preferably, the sealing airbag is arranged at the connection between the front window frame body and the cab frame body.

[0018] Preferably, rotatable rollers are installed at the lower parts of both sides of the front window frame body, and the rollers roll on guide rails.

[0019] Preferably, a wide-angle rearview mirror is installed on the inner side of the front window frame body.

[0020] A forklift comprises the telescopic arm forklift cab with a movable front window.

[0021] It can be seen from the above technical solution that the utility model has the following beneficial effects:

[0022] This telescopic forklift cab and forklift with a movable front window solves the problem of the container's inner door not being able to open properly. The front window assembly slides on the cab frame and is supported by a gas spring and hinge mechanism, allowing the driver to enter and exit the cab through the front window. This design eliminates the need for additional lateral space, effectively reducing the space requirements for container transportation and lowering transportation costs. The front window assembly is equipped with a sealing airbag, and a handle lock body and a limit mechanism engage to ensure that the front window fits tightly against the cab frame when closed. This sealing design effectively improves the windproof, dustproof and waterproof performance of the cab, ensuring the safety of the driver's operating environment. The movable front window structure design avoids the complexity and cost issues caused by increasing the cab height or adopting a detachable structure. The sliding design of the front window simplifies the overall structure of the cab, which not only reduces production costs but also maintains the overall performance and stability of the forklift. The sliding design of the front window assembly not only provides the driver with a convenient way to enter and exit, but also significantly improves the driver's field of view through the wide-angle rearview mirror configuration of the front window glass, enhancing the safety and comfort of operation. The combination of guide rails and rollers makes the sliding process of the front window stable and smooth, and the driver's operation is simple and quick. This design effectively extends the service life of the cab and reduces the difficulty of maintenance caused by the complex structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of the cab of the utility model;

[0024] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0025] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0026] Figure 4 This is a schematic diagram of the main structure of the front window frame of the present utility model;

[0027] Figure 5 It is a structural schematic diagram of the front window assembly of the utility model when it is closed and moved to the top.

[0028] In the figure: 1. Cab frame; 2. Front window assembly; 21. Front window frame body; 22. Front window glass; 3. Limiting mechanism; 31. Lock body limit block; 4. Handle lock body; 5. Hinge mechanism; 6. Gas spring; 7. Sealing airbag; 8. Guide rail; 9. Roller; 10. Wide-angle rearview mirror. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] like Figure 1-Figure 5 As shown, a telescopic forklift cab with a movable front window includes a cab frame 1 and a front window assembly 2. The front window assembly 2 is mounted on the cab frame 1 and further includes a limiting mechanism 3, a handle lock 4, a hinge mechanism 5, a gas spring 6, and a sealing airbag 7. The front window assembly 2 can slide on the cab frame 1. When the front window assembly 2 slides to the top horizontal position, the gas spring 6 and the hinge mechanism 5 support the front window assembly 2. The sealing airbag 7 is disposed between the cab frame 1 and the front window assembly 2. The handle lock 4 can engage and compress the sealing airbag 7 with the limiting mechanism 3. The front window assembly 2 slides on the cab frame 1 to adjust the opening angle of the front window. When the front window assembly 2 moves to the top horizontal position, the gas spring 6 provides support to ensure that the front window assembly 2 is stably fixed. The hinge mechanism 5 allows the front window assembly 2 to remain stable while sliding and provides the necessary rotational support. The combination of the limiting mechanism 3 and the handle lock body 4 allows the front window assembly 2 to be stably fixed in any position through snap-fitting. The sealing airbag 7 is compressed during snap-fitting, providing a good seal and preventing the external environment from affecting the interior of the cab. This embodiment provides a safe and flexible front window opening and fixing mechanism. The sliding and snap-fitting design improves the cab's operational convenience and sealing. The support of the gas spring 6 makes the front window assembly 2 more stable when opened, reduces operating force, and increases user comfort.

[0031] The limiting mechanism 3 can be designed with various snap-fit structures to accommodate different front window sizes or weights. The supporting force of the gas spring 6 can also be adjusted to accommodate different front window materials or weights by adjusting the spring specifications. Furthermore, the material and structure of the sealing airbag 7 can be adjusted to meet different sealing requirements, such as adopting a multi-layer sealing structure to further enhance the sealing effect.

[0032] The limiting mechanism 3 includes a lock body limiting block 31, which is engaged with the handle lock body 4. The lock body limiting block 31 is provided on both sides of the cab frame 1. The lock body limiting block 31 is installed on both sides of the cab frame 1. By engaging with the handle lock body 4, the front window assembly 2 can be fixed by the lock body limiting block 31 after sliding to the target position, ensuring that the front window does not deviate during the sliding and fixing process and remains stable. The lock body limiting blocks 31 provided on both sides enhance the fixing stability of the front window assembly 2, reduce swinging during the sliding process, and improve the reliability of the overall structure. At the same time, the locking process is ensured to be simple and secure by engaging with the handle lock body 4.

[0033] The shape and size of the lock body stopper 31 can be adjusted according to actual use requirements. For example, a larger stopper can be designed to accommodate a heavier front window assembly, or a different snap-fit structure can be designed to improve the fixing effect. In addition, an anti-slip material can be added to the surface of the stopper to further improve the reliability of the fixing.

[0034] Guide rails 8 are provided on both sides of the middle portion of the cab frame 1. The guide rails 8 are provided on both sides of the middle portion of the cab frame 1. The sliding process of the front window assembly 2 relies on the guidance of the guide rails 8 to ensure that the front window assembly 2 can move smoothly on the cab frame 1. By providing the guide rails 8, the sliding process of the front window assembly 2 is smoother and more stable, which reduces frictional resistance and improves sliding efficiency. At the same time, the guide rail structure also reduces the possibility of the front window assembly offset during the sliding process, thereby increasing the reliability and durability of the overall structure. The guide rails 8 can be made of different materials or surface treatment processes to adapt to different working environments. For example, corrosion-resistant materials can be used or lubricating coatings can be added to improve the durability and sliding performance of the guide rails. At the same time, the shape and size of the guide rails can also be adjusted according to the size and weight of the front window assembly to ensure the best sliding effect.

[0035] The front window assembly 2 includes a front window frame body 21 and a front window glass 22 embedded within the front window frame body 21. Gas springs 6 are mounted on either side of the front window frame body 21. In this embodiment, the front window glass 22 is embedded within the front window frame body 21 to provide both visual field and protection. The gas springs 6 mounted on either side of the front window frame body 21 provide support and cushioning for the sliding movement of the front window assembly 2, ensuring smoother opening and closing of the front window. By mounting the gas springs 6 on either side of the front window frame body 21, the sliding stability and safety of the front window are enhanced. Furthermore, the cushioning effect of the gas springs 6 effectively reduces vibration and impact during the sliding process, thereby extending the service life of the front window assembly.

[0036] The specifications of the gas spring 6 can be adjusted based on the weight and usage requirements of the front window assembly 2. For example, a higher-strength gas spring can be used to accommodate a larger front window assembly, or an adjustable gas spring can be used to achieve different support forces. Furthermore, the material and thickness of the front window glass 22 can also be varied as needed to improve its impact resistance or thermal insulation.

[0037] Handle lock bodies 4 are also fixed to both sides of the front window frame body 21. When the front window assembly 2 slides to the desired position, the handle lock bodies 4 engage with the limiting mechanism 3, ensuring that the front window is stably fixed. The design of the handle lock bodies 4 allows the user to conveniently operate the opening, closing, and locking functions of the front window. This embodiment increases the positional stability of the handle lock bodies 4, ensuring that the front window assembly 2 can be securely locked in any position. At the same time, the user can easily control the opening and closing of the front window through the operation of the handle lock bodies 4, improving the convenience and safety of the cab.

[0038] The shape and material of the handle lock body 4 can be adjusted based on user habits and usage environment. For example, a more ergonomic handle shape or wear-resistant material can be used to improve service life and comfort. Furthermore, the locking mechanism of the handle lock body 4 can be modified to meet different security requirements, enhancing locking security and reliability.

[0039] The hinge mechanism 5 is pivotally connected to the side of the front window frame body 21. In this embodiment, the hinge mechanism 5 pivotally connects to the side of the front window frame body 21, allowing the front window assembly 2 to adapt to a certain rotation angle during sliding. This connection ensures that the front window assembly remains stable during sliding while also flexibly adapting to angle changes. The pivoting connection design of the hinge mechanism 5 increases the flexibility of the front window assembly 2 during sliding and securing, effectively reducing friction and wear during sliding. The front window assembly 2 maintains stability at various angles, while also improving the service life and ease of operation of the front window.

[0040] The design of the hinge mechanism 5 can be adjusted based on the size and weight of the front window assembly 2. For example, a larger hinge can be used to support a heavier front window, or a hinge with a damping function can be used to further improve the smoothness and safety of the front window during sliding. Furthermore, the hinge material can be changed based on environmental requirements, such as stainless steel for highly corrosive environments.

[0041] The sealing airbag 7 is provided at the connection between the front window frame body 21 and the cab frame body 1. In this embodiment, the sealing airbag 7 is located at the connection between the front window frame body 21 and the cab frame body 1. When the front window assembly 2 slides to the closed position, the sealing airbag 7 is compressed, thereby providing a sealing effect. The design of the sealing airbag 7 can effectively prevent outside air, moisture or dust from entering the interior of the cab, ensuring the airtightness of the environment inside the cab. By providing the sealing airbag 7 at the connection, this embodiment significantly improves the sealing performance between the front window assembly 2 and the cab frame body 1, prevents the external environment from affecting the interior of the cab, and ensures the comfort of the driver and the stability of the operating environment. In addition, the use of the sealing airbag can reduce the noise and vibration caused by poor sealing.

[0042] The material and shape of the sealing airbag 7 can be adjusted to meet different sealing requirements. For example, a multi-layered airbag can be used to improve sealing effectiveness, or high-temperature resistant materials can be used to adapt to special operating environments. The size of the airbag can also be customized based on the size of the front window assembly 2 and the structure of the connection to achieve the best sealing effect.

[0043] Rotatable rollers 9 are installed at the lower sides of the front window frame body 21. The rollers 9 roll on the guide rails 8. In this embodiment, the rollers 9 are installed at the lower sides of the front window frame body 21. When the front window assembly 2 slides, the rollers 9 roll along the guide rails 8, making the sliding of the front window more stable and smooth. The installation of the rollers 9 effectively reduces the frictional resistance during the sliding process, while allowing the front window assembly to slide easily on the guide rails. The installation of the rollers 9 greatly improves the sliding efficiency and stability of the front window assembly 2, allowing it to maintain balance during the sliding process and reducing the resistance and wear caused by friction. At the same time, the roller design also simplifies the opening and closing operation of the front window, reduces the user's operating force, and increases ease of use.

[0044] The size and material of the rollers 9 can be selected based on the weight and sliding requirements of the front window assembly 2. For example, a larger diameter roller can be used to increase the load-bearing capacity, or a more wear-resistant material can be used to extend the roller's service life. The roller structure can also be optimized, such as increasing the number of rollers or adjusting their installation position, to further improve the smoothness and safety of sliding.

[0045] A wide-angle rearview mirror 10 is mounted inside the front window frame 21. In this embodiment, the wide-angle rearview mirror 10 is mounted inside the front window frame 21, providing the driver with a wider field of view, enabling a clearer view of the rear, and enhancing operational safety. By mounting the wide-angle rearview mirror 10 inside the front window frame 21, this embodiment effectively expands the driver's rearward field of view, reduces blind spots, and improves the safety and efficiency of forklift operation. Furthermore, the wide-angle rearview mirror design provides a clear field of view at various angles, helping the driver more accurately determine the vehicle's position and surroundings.

[0046] The size and curvature of the wide-angle rearview mirror 10 can be adjusted to suit different field of view requirements, providing an optimal viewing angle. Furthermore, anti-glare or heating features can be added to the rearview mirror to enhance its usability in various environments. The mounting position can also be optimized based on the driver's height or seating position to ensure optimal visibility and comfort.

[0047] A forklift is also provided that includes the telescopic forklift cab with a movable front window described above. In this embodiment, the forklift is equipped with the telescopic forklift cab with a movable front window described in the above specific embodiment. Through the sliding, locking, and sealing functions of the front window, it provides a more flexible, comfortable, and safe operating environment suitable for different working conditions and operational requirements. This embodiment provides the forklift with an adjustable front window structure, enabling the cab to better adapt to different working environments, enhancing the forklift's operational flexibility and driver comfort. Through the design of the above-mentioned front window assembly, the forklift cab can provide better sealing, safety, and operational convenience, improving the performance of the entire vehicle and the user experience.

[0048] The specific configuration of this forklift can be adjusted according to actual application requirements. For example, different front window structures or materials can be selected according to different operating scenarios, or appropriate sealing and insulation measures can be selected according to different climate conditions. In addition, the sliding and locking structure of the front window assembly can be customized according to the forklift's operating frequency and environmental requirements to provide the best operating experience and safety.

[0049] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A telescopic forklift cab with a movable front window, comprising a cab frame (1) and a front window assembly (2), wherein the front window assembly (2) is arranged on the cab frame (1), and is characterized in that: Also includes: A limiting mechanism (3), the limiting mechanism (3) being arranged on the cab frame body (1); A handle lock body (4), the handle lock body (4) being arranged on the front window assembly (2); A hinge mechanism (5), the hinge mechanism (5) being arranged on the front window assembly (2); a gas spring (6) disposed on the front window assembly (2) and connected to the hinge mechanism (5); the front window assembly (2) is capable of sliding on the cab frame (1); when the front window assembly (2) slides to a top horizontal position, the gas spring (6) and the hinge mechanism (5) support the front window assembly (2); A sealing airbag (7) is provided between a cab frame (1) and a front window assembly (2); the handle lock body (4) can be clamped with a limiting mechanism (3) to compress the sealing airbag (7).

2. The telescopic forklift cab with a movable front window according to claim 1, characterized in that: The limiting mechanism (3) comprises a lock body limiting block (31), the lock body limiting block (31) is engaged with the handle lock body (4), and lock body limiting blocks (31) are provided on both sides of the cab frame body (1).

3. The telescopic forklift cab with a movable front window according to claim 1, characterized in that: Guide rails (8) are provided on both sides of the middle portion of the cab frame body (1).

4. The telescopic forklift cab with a movable front window according to claim 3, characterized in that: The front window assembly (2) comprises a front window frame body (21) and a front window glass (22) embedded in the front window frame body (21), and gas springs (6) are installed on both sides of the front window frame body (21).

5. The telescopic forklift cab with a movable front window according to claim 4, characterized in that: Handle lock bodies (4) are also fixed on both sides of the front window frame body (21).

6. The telescopic forklift cab with a movable front window according to claim 1, characterized in that: The hinge mechanism (5) is rotatably connected to the side of the front window frame body (21).

7. The telescopic forklift cab with a movable front window according to claim 4, characterized in that: The sealing airbag (7) is arranged at the connection between the front window frame body (21) and the cab frame body (1).

8. The telescopic forklift cab with a movable front window according to claim 4, characterized in that: Rotatable rollers (9) are installed at the lower parts of both sides of the front window frame body (21), and the rollers (9) roll on the guide rails (8).

9. The telescopic forklift cab with a movable front window according to claim 4, characterized in that: A wide-angle rearview mirror (10) is installed inside the front window frame body (21).

10. A forklift, characterized in that: The invention comprises a telescopic forklift cab with a movable front window as claimed in claim 1.

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