Tractor cab

By combining a five-column frame structure, double-layered laminated glass, and a positive pressure fan, the safety and sealing issues of the tractor cab have been resolved, achieving improvements in safety, sealing, and ventilation.

CN223905147UActive Publication Date: 2026-02-13SHANDONG HANWO AGRI EQUIP CO LTD
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Patent Information

Application Number
CN202520253444.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2026-02-13
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

Existing tractor cabs have shortcomings in terms of safety performance and sealing, especially in dusty environments, and further improvements in safety performance and sealing are needed.

Method used

The cab features a five-column frame structure, double-layered laminated glass, and rubber foam sealing gaskets. Combined with a positive pressure fan, it achieves forced ventilation, creating a positive pressure difference to improve sealing. It is also equipped with various lighting and cleaning devices to enhance safety.

Benefits of technology

It achieves high safety, sealing and ventilation in the cab, enhances sound insulation, heat insulation and ultraviolet protection performance, and provides good visibility and safety.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223905147U_ABST
    Figure CN223905147U_ABST
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Abstract

The utility model relates to the technical field of agricultural machinery, in particular to a tractor cab which comprises a cab body, the cab body is of a five-column frame structure, glass is installed among columns at the four corners, rearview mirrors are fixedly installed at the two ends, close to the edge of the upper portion, of the glass, a top cover is fixedly installed at the top of the glass, and the top cover is fixedly installed on the bottom of the cab body. According to the tractor cab, the positive pressure draught fans are arranged, air outside the cab is forcibly pumped into the cab, forced ventilation is achieved, pressure difference can be formed inside and outside the cab, the cab is closed, the cab is not prone to falling off, the cab is not prone to falling off, and the tractor cab is safe and reliable. According to the glass adopting the double-layer laminated process, on the basis that the safety is improved, the effects of sound insulation, heat insulation and ultraviolet isolation are enhanced, and meanwhile the sealing reliability is enhanced by adopting the cushion belt with better sealing performance.
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Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural machinery technical field especially is a tractor cab. BACKGROUND

[0002] The tractor cab is an important component of agricultural machinery, and its design and function are constantly improved with the development of technology. However, the tractor cab needs to protect the driver. In order to enhance the safety performance of the cab, the tractor cab usually adopts a metal thin shell structure. However, more protection design is still needed to improve the safety performance of the tractor cab. In addition, the place where the tractor is used is mostly full of dust, so the sealing performance of the tractor cab also needs to be good. Therefore, a tractor cab is provided. SUMMARY

[0003] The main purpose of the utility model is to provide a tractor cab to solve the problem of improving the safety performance and sealing performance of the tractor cab as mentioned in the background.

[0004] In order to achieve the above purpose, according to one aspect of the utility model, a tractor cab is provided, which comprises a cab. The cab adopts a five-column frame structure, and a glass is installed between the four corner columns. Both ends of the glass near the upper edge are fixedly installed with rearview mirrors, and the top of the glass is fixedly installed with a top cover. The contact surface between the glass and the top cover is sealed with a gasket. The inside of both sides of the top cover is fixedly installed with a positive pressure fan.

[0005] As a preferred technical scheme of the utility model: the bottom of both sides of the glass is fixedly installed with a rear mudguard, which is used to block mud thrown by the rear wheels. Two steering lamp brackets are fixedly installed on the middle part of the front surface of the glass, and a steering lamp is fixedly installed on one end of each steering lamp bracket. A rear license plate seat is fixedly installed on the edge near the bottom of the back surface of the glass.

[0006] As a preferred technical scheme of the utility model: a reflector is arranged at the bottom of the back surface of the rear mudguard, a rear tail lamp is arranged above the reflector, and a windshield washer is fixedly installed on the side wall of the rear mudguard.

[0007] As a preferred technical scheme of the utility model: warning lights are fixedly installed on the top of the top cover, a plurality of working lamps are fixedly installed on the side wall of the top cover, and a reversing visual camera is arranged on the back surface of the top cover.

[0008] As a preferred technical scheme of the utility model: a reflector is arranged at the bottom of the back surface of the rear mudguard, a rear tail lamp is arranged above the reflector, and a windshield washer is fixedly installed on the side wall of the rear mudguard.

[0009] As a preferred technical scheme of the utility model: the gasket is double-layer compression bubble structure, and the gasket adopts rubber foaming material process.

[0010] As a preferred technical scheme of the utility model: the front wiper is rotationally installed on the top of the glass front face, and the rear wiper is rotationally installed on the glass back face.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. In the tractor cab, the positive pressure fan is arranged, the outside air of the cab is forcibly punched into the cab, forced ventilation is realized, and pressure difference is formed between the inside and outside of the cab, so that the sealed cab is realized.

[0013] 2. In the tractor cab, the glass adopting the double-layer laminated process enhances the sound insulation, heat insulation and ultraviolet insulation effects on the basis of improving safety, and the gasket with better sealing property is adopted to enhance the sealing reliability. DRAWINGS

[0014] Fig. 1 It is a tractor cab overall structure schematic view in the preferred embodiment of the utility model;

[0015] Fig. 2 It is a tractor cab back face structure schematic view in the preferred embodiment of the utility model;

[0016] Fig. 3 It is a tractor cab local section structure schematic view in the preferred embodiment of the utility model;

[0017] ILLUSTRATIVE DESCRIPTION:

[0018] 1, cab; 2, top cover; 3, glass; 4, rear mudguard; 5, rearview mirror; 6, turn signal bracket; 7, warning light; 8, working light; 9, turn signal; 10, front wiper; 11, rear wiper; 12, rear license plate holder; 13, windshield washer; 14, rear tail light; 15, reflector; 16, reversing visual camera; 17, positive pressure fan; 18, gasket. DETAILED DESCRIPTION

[0019] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the following will be combined with the preferred embodiments, and the specific implementation manners, structures, features and effects according to the utility model will be described in detail as follows.

[0020] Please refer to Figs. 1-3As shown, the embodiment aims to provide a tractor cab, comprising a cab 1, the cab 1 adopts a five-column frame structure, and a glass 3 is installed between the four corner columns, the glass 3 adopts a double-layer laminated process, the thickness is 10 mm, and the glass is an integral whole after breaking, which is safer and will not hurt the passengers. In addition, the sound insulation, heat insulation and ultraviolet line blocking effects are obviously improved. The two ends of the glass 3 close to the upper edge are fixedly installed with rearview mirrors 5. The rearview mirrors 5 increase the blind mirror to observe the rear wheels, the blind area is smaller, the field of view is wider, and the top of the glass 3 is fixedly installed with a top cover 2. The contact surface between the glass 3 and the top cover 2 is sealed by a gasket 18. The inside of the two sides of the top cover 2 is fixedly installed with positive pressure fans 17. After the positive pressure fans 17 are opened, the air outside the cab is filtered clean by the filter element, and is forcibly punched into the inside of the cab to realize forced ventilation. After a period of time of forced air pressure, the pressure inside the cab will gradually be higher than the pressure outside the cab, forming a positive pressure. The pressure difference inside the cab can be maintained at a minimum of 50 Pa to meet the performance requirements of the closed cab.

[0021] The bottom of the glass 3 is fixedly installed with rear mudguards 4, the rear mudguards 4 have the characteristics of wide coverage and large mud road, which can better prevent the rear wheels from throwing mud. The middle part of the front of the glass 3 is fixedly installed with two steering lamp supports 6. One end of the two steering lamp supports 6 is fixedly installed with steering lamps 9. The edge close to the bottom of the back of the glass 3 is fixedly installed with a rear license plate seat 12.

[0022] The gasket 18 is a double-layer compression bubble structure, and the gasket 18 adopts a rubber foaming material process, which is integrated in a circle and is butt-jointed. The sealing is effective and the performance is reliable, which improves the sealing performance of the cab 1.

[0023] The back of the rear mudguard 4 is provided with a reflector 15, and the reflector 15 is provided with a rear tail lamp 14. The sidewall of the rear mudguard 4 is fixedly installed with a windshield washer 13. The windshield washer 13 can spray washing liquid onto the rear glass, cooperate with the rear wiper 11 to work, and effectively remove the dirt on the glass.

[0024] The top of the top cover 2 is fixedly installed with warning lights 7, the sidewall of the top cover 2 is fixedly installed with a plurality of working lamps 8, and the back of the top cover 2 is provided with a reversing visual camera 16. The reversing visual camera 16 provides a view behind the cab, which is convenient for reversing.

[0025] The top of the front of the glass 3 is rotatably installed with a front wiper 10, and the glass on the back of the glass 3 is rotatably installed with a rear wiper 11.

[0026] The utility model discloses when using, enter the cab 1, open the working lamp 8, start, open the positive pressure fan 17 and ventilate, open the steering lamp 9 first when steering, then observe the rear -view mirror 5, confirm safe and then steer, when meeting rainy day, can open the front wiper 10, wipe the water spot on the front glass 3, the rear fender 4 can block the mud and water that the rear wheel throws, the back lamp 14 and reflector 15 are used to remind the person behind attention, when backing, can through the image that looks the reverse visual camera 16 shoots and looks the rear -view mirror 5 and assist backing.

[0027] The above is only the preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as above with the preferred embodiment, it is not intended to limit the utility model. Any person skilled in the art can make slight changes or modifications to the equivalent embodiments within the scope of the technical scheme of the utility model without departing from the utility model. Any modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model still belong to the scope of the technical scheme of the utility model.

Claims

1. A tractor cab comprising a cab (1), characterized in that: Said cab (1) adopts five column frame structure, and the four corners between the stand glass (3), the glass (3) is close to the upper edge at both ends of fixed mounting rearview mirror (5), and the glass (3) top fixed mounting top cover (2), the contact surface of glass (3) and top cover (2) is sealed with gasket (18), the top cover (2) both sides are internally fixed mounting positive pressure fan (17).

2. The tractor cab of claim 1, wherein: The glass (3) both sides bottom are fixedly installed with rear fender (4), the rear fender (4) is used to block rear wheel mud, the glass (3) front middle part is fixedly installed with two steering lamp support (6), two steering lamp support (6) one end is fixedly installed with steering lamp (9), the glass (3) back near the bottom edge fixedly installed with rear license plate seat (12).

3. The tractor cab of claim 2, wherein: The rear fender (4) back bottom is provided with reflector (15), the reflector (15) is provided with rear tail light (14) above, the rear fender (4) side wall fixedly installed with windshield washer (13).

4. The tractor cab of claim 1, wherein: The top cover (2) top four corners are fixedly installed with warning light (7), the side wall of top cover (2) is fixedly installed with a plurality of working lamp (8), and the back of top cover (2) is provided with reversing visible camera (16).

5. The tractor cab of claim 1, wherein: The gasket (18) is double layer compression bubble structure, and the gasket (18) adopts rubber foaming material technology.

6. The tractor cab of claim 1, wherein: The glass (3) front top rotary mounting front wiper (10), the glass (3) back glass rotary mounting rear wiper (11).