Tractor cab ceiling

Abstract

The utility model belongs to the technical field of tractor cabs, and particularly relates to a tractor cab ceiling which comprises a ceiling body, four corners of the ceiling body are arc-shaped, and each corner of the ceiling body is provided with an arc-shaped mounting groove in the arc-shaped direction. Three lamp holders used for mounting illuminating lamps are evenly arranged in the arc-shaped mounting grooves in the arc-shaped direction, one lamp holder in the two arc-shaped mounting grooves in the front end of the ceiling body is located at the corner position of the arc-shaped mounting grooves, the other two lamp holders are located in the arc-shaped mounting grooves and located at the front end of the ceiling body, and the included angle between every two adjacent lamp holders is 25-35 degrees. The lamp holder in the middle of the two arc-shaped mounting grooves in the rear end of the ceiling body is located at the corner position of the arc-shaped mounting grooves, the other two lamp holders are symmetrically arranged on the two sides of the lamp holder in the middle respectively, and the included angle between every two adjacent lamp holders ranges from 35 degrees to 45 degrees. The LED lamp is reasonable in structural design, more uniform, clearer and more comfortable illumination is provided for a driver, and the driving safety and the operation convenience are enhanced.

Description

Technical Field

[0001] The utility model belongs to the technical field of tractor cabs, and in particular relates to a tractor cab roof. Background Art

[0002] With the continuous development of the transportation industry, the design of the cab is crucial to the driver's work efficiency and safety. Among them, the lighting system is an important part of the cab, and its design rationality directly affects the driver's operation and judgment.

[0003] At present, the common design of most cab roofs on existing tractors is to set two headlights symmetrically at the front end, but this seemingly conventional design actually brings a series of consequences that cannot be ignored.

[0004] Firstly, since there are only two headlights and their positions are fixed, the light distribution is often uneven, causing some areas in the cab to be too bright while other areas are dark, seriously affecting the driver's clear perception of the overall environment; secondly, such a layout is prone to form shadow blind spots. When objects are at a certain angle, they will be obscured by shadows, which will cause trouble to the driver's operation and judgment and increase potential safety risks; thirdly, the fixed position and number of headlights limit the flexibility of lighting, and it cannot be adjusted according to different driving scenarios and the individual needs of the driver, making it difficult to adapt to complex and changeable road conditions; in addition, uneven and inappropriate light distribution will also lead to increased visual fatigue of the driver, which may affect vision in the long run and reduce concentration while driving. Utility Model Content

[0005] The main technical problem to be solved by the utility model is to provide a tractor cab roof which has a reasonable structural design, is easy to operate, provides a driver with more uniform, clear and comfortable lighting, and enhances driving safety and operating convenience.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] A tractor cab ceiling comprises a ceiling body, wherein the four corners of the ceiling body are arc-shaped, an arc-shaped mounting groove is arranged at each corner of the ceiling body along the arc direction, and three lamp holders for mounting lighting lamps are evenly arranged in the arc-shaped mounting groove along the arc direction, wherein one of the lamp holders in the two arc-shaped mounting grooves at the front end of the ceiling body is located at the corner position of the arc-shaped mounting groove, the other two are located in the arc-shaped mounting groove and at the front end of the ceiling body, and the angle between the two adjacent lamp holders is 25°~35°, the middle lamp holder in the two arc-shaped mounting grooves at the rear end of the ceiling body is located at the corner position of the arc-shaped mounting groove, and the other two lamp holders are symmetrically arranged on both sides of the middle lamp holder, and the angle between the two adjacent lamp holders is 35°~45°.

[0008] The following is a further optimization of the above technical solution by the utility model:

[0009] A threaded hole is provided at the bottom of the lamp holder near the center thereof.

[0010] Further optimization: a skylight window is opened on the top of the ceiling body, a skylight is arranged on the skylight window, one side of the skylight is connected to the ceiling body through a plurality of damping hinges, and the skylight rotates in an arc with the damping axis of the damping hinge as the axis.

[0011] Further optimization: two support blocks are symmetrically arranged on the inner walls on both sides of the skylight, and the tops of the support blocks are in contact with the skylight.

[0012] Further optimization: a clamping block is integrally connected to the bottom of one side of the skylight away from the hinged end, a movable groove is opened on the skylight opening, and the clamping block is adapted to the movable groove.

[0013] Further optimization: a heat-insulating cavity is arranged in the ceiling body, the heat-insulating cavity is used to place the air-conditioning component, a back cover is arranged on the top of the ceiling body, and the back cover is located in the heat-insulating cavity.

[0014] Further optimization: one side of the rear cover is connected to the ceiling body through a pair of flap hinges, and the rear cover rotates in an arc with the axis of the flap hinge as the axis.

[0015] Further optimization: the top of the rear cover away from the flap hinge is connected to the ceiling body through a plurality of connecting bolts.

[0016] Further optimization: Sealing pads are provided on the edges of the rear cover and the skylight.

[0017] Further optimization: Four bolt seats for installing lifting bolts are arranged on the four corners of the top of the ceiling body, and the four bolt seats are symmetrically arranged in pairs.

[0018] The utility model can ensure that the entire ceiling corner area can be fully and evenly illuminated by evenly arranging multiple lamps in the arc-shaped installation groove and reasonably controlling the angles of adjacent lamp holders, reducing lighting blind spots and shadows, and providing a clear field of vision for the driver.

[0019] The utility model arranges a lamp holder at the corner position of the arc-shaped installation groove at the front end of the ceiling body, which can focus on illuminating this key transition area, improve the driver's ability to observe the surrounding environment when turning or changing the driving direction, and increase driving safety.

[0020] The utility model enables the lighting layout to be adjusted according to actual needs and to adapt to different driving scenes and environmental conditions through the symmetrical arrangement of the lamp holders in the rear end arc-shaped installation groove and the arrangement at different angles.

[0021] The utility model avoids excessive lighting while meeting lighting needs through precise layout and angle setting, thereby achieving energy-saving effects and reducing energy consumption.

[0022] In summary, the utility model provides good lighting conditions, which can not only reduce the driver's visual fatigue, create a more comfortable driving environment, and help improve the driver's work efficiency and concentration; it also provides a flexible and comfortable lighting environment for the cab, which helps to improve driving safety and operating convenience.

[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0025] Figure 2 This is a schematic diagram of the overall structure of another embodiment of the utility model from another angle;

[0026] Figure 3 It is a cross-sectional view of an embodiment of the utility model.

[0027] In the figure: 1-ceiling body; 2-arc-shaped mounting groove; 3-lamp holder; 4-threaded hole; 5-skylight; 6-damping hinge; 7-support block; 8-clamp block; 9-movable groove; 10-insulating cavity; 11-back cover; 12-flap hinge; 13-connecting bolt; 14-bolt seat. DETAILED DESCRIPTION

[0028] like Figure 1-3 As shown, a tractor cab ceiling comprises a ceiling body 1, the four corners of the ceiling body 1 are arc-shaped, each corner of the ceiling body 1 is provided with an arc-shaped mounting groove 2 along its arc direction, three lamp holders 3 for mounting lighting lamps are evenly provided in the arc-shaped mounting groove 2 along the arc direction, wherein one of the lamp holders 3 in the two arc-shaped mounting grooves 2 at the front end of the ceiling body 1 is located at the corner position of the arc-shaped mounting groove 2, the other two are located in the arc-shaped mounting groove 2 and at the front end of the ceiling body 1, and the angle between the two adjacent lamp holders 3 is 25°~35°, the middle lamp holder 3 in the two arc-shaped mounting grooves 2 at the rear end of the ceiling body 1 is located at the corner position of the arc-shaped mounting groove 2, the other two lamp holders 3 are symmetrically arranged on both sides of the middle lamp holder 3, and the angle between the two adjacent lamp holders 3 is 30°~45°.

[0029] Such a design, firstly, evenly arranging a plurality of lamp holders 3 in the arc-shaped mounting groove 2 and reasonably controlling the angles of adjacent lamp holders 3 can ensure that the entire ceiling corner area can be fully and evenly illuminated, reduce lighting blind spots and shadows, and provide a clear field of vision for the driver.

[0030] Secondly, a lamp holder 3 is arranged at the corner of the arc-shaped mounting groove 2 at the front end of the ceiling body 1, which can focus on illuminating this key transition area, improve the driver's ability to observe the surrounding environment when turning or changing the driving direction, and increase driving safety.

[0031] Thirdly, the symmetrical arrangement of the lamp holder 3 in the rear arc-shaped mounting groove 2 and the different angle arrangements enable the lighting layout to be adjusted according to actual needs to adapt to different driving scenarios and environmental conditions.

[0032] Fourthly, through precise layout and angle setting, excessive lighting is avoided while meeting lighting needs, thus achieving energy-saving effects and reducing energy consumption.

[0033] Fifth, good lighting conditions can reduce the driver's visual fatigue, create a more comfortable driving environment, and help improve the driver's work efficiency and concentration.

[0034] Sixth, it provides a flexible and comfortable lighting environment for the cab, helping to improve driving safety and operational convenience.

[0035] Seventh, the arc-shaped corner design, the arc-shaped mounting groove 2 and the lamp holder 3 make the appearance of the entire tractor cab roof more smooth and beautiful, and enhance the overall shape and texture of the vehicle.

[0036] A threaded hole 4 is formed at the bottom of the lamp holder 3 near the center thereof.

[0037] With this design, firstly, the threaded hole 4 is provided to facilitate the use of bolts and other connecting parts to firmly mount the lighting lamp on the lamp holder 3, ensuring that the lamp will not loosen or fall off during the driving of the vehicle, thereby improving the reliability and stability of the installation.

[0038] Secondly, the threaded hole 4 can enable the lighting lamp to be accurately positioned in the middle of the lamp holder 3 during installation, thereby ensuring the accuracy of the projection direction and angle of the lighting light, thereby achieving the best lighting effect.

[0039] Thirdly, if the position and size of the threaded hole 4 are reasonably designed, the angle and position of the lighting lamp can be fine-tuned by adjusting the tightness of the bolt to adapt to different lighting needs and environmental conditions.

[0040] Fourthly, the threaded hole 4 is a common and standard connection method, so that the lamp holder 3 can be adapted to a variety of lighting lamps with corresponding threaded interfaces, thereby increasing the versatility and interchangeability of the components.

[0041] Fifth, when the lighting lamp fails or needs to be replaced, it can be quickly and conveniently removed from the lamp holder 3 by loosening the threaded connection, thereby improving the efficiency of maintenance.

[0042] The top of the ceiling body 1 is provided with a skylight opening, on which a skylight 5 is arranged, and one side of the skylight 5 is connected to the ceiling body 1 through a plurality of damping hinges 6 .

[0043] With such a design, firstly, the plurality of damping hinges 6 can make the opening and closing action of the sunroof 5 more stable and smooth, avoiding the occurrence of jamming or unsmoothness.

[0044] Secondly, it helps the skylight 5 to stay accurately at the desired position when opening and closing, meeting different ventilation and lighting requirements.

[0045] Thirdly, it effectively avoids the impact caused by excessive speed when the sunroof 5 is opened and closed, reduces the wear and damage of components, and prolongs the service life.

[0046] Fourthly, the risk of injury to personnel caused by rapid opening and closing of the skylight 5 is reduced, especially in the event of improper operation or accident.

[0047] Fifth, the plurality of damping hinges 6 provide a more uniform supporting force, so that the sunroof 5 can remain stable in various states and is not easily deformed or loosened.

[0048] Sixth, under adverse weather conditions such as strong winds, the damping hinge 6 can better control the movement of the sunroof 5 to prevent it from being damaged or suddenly closed.

[0049] In this example, the skylight 5 and the ceiling body 1 are connected together via two damping hinges 6 , and the two damping hinges 6 are symmetrically arranged.

[0050] In addition to this embodiment, the skylight 5 and the ceiling body 1 can be connected together through one, three or more damping hinges 6 .

[0051] The skylight 5 rotates in an arc with the damping axis of the damping hinge 6 as the axis.

[0052] With such a design, firstly, the damping hinge 6 can enable the skylight 5 to start and stop slowly when opening and closing, thereby avoiding impact and damage caused by sudden opening or closing of the skylight 5 and extending the service life.

[0053] Secondly, the slow start and slow stop characteristics reduce the risk of pinching personnel during operation of the skylight 5 and improve the safety of use.

[0054] Thirdly, it ensures that the sunroof 5 is more stable during rotation, reduces shaking and trembling, and provides a better user experience.

[0055] Fourthly, the opening angle and speed of the skylight 5 can be controlled more accurately to meet different ventilation and lighting requirements.

[0056] Fifth, avoid collision and friction between the five parts of the sunroof to generate excessive noise and create a quiet driving environment.

[0057] Two support blocks 7 are symmetrically arranged on the inner walls on both sides of the skylight, and the tops of the support blocks 7 are in contact with the skylight 5.

[0058] With such a design, firstly, when the skylight 5 is closed, the support blocks 7 can share the weight of the skylight 5, reduce the pressure on the damping hinge 6 and related components, and extend their service life; secondly, it helps to keep the skylight 5 stable in the closed state, avoid shaking or tilting, and enhance the overall stability; thirdly, it reduces the deformation of the skylight 5 due to its own gravity or external pressure, and protects the structural integrity of the skylight 5; fourthly, the symmetrically arranged support blocks 7 can play a positioning role for the skylight 5, ensuring that the skylight 5 can be accurately closed at the predetermined position, ensuring the sealing effect; fifthly, the force on the skylight 5 is made more uniform, avoiding damage caused by excessive local force.

[0059] A clamping block 8 is integrally connected to the bottom of one side of the skylight 5 away from the hinged end, and a movable groove 9 is opened on the skylight opening, and the clamping block 8 is adapted to the movable groove 9 .

[0060] With such a design, firstly, the cooperation between the block 8 and the movable groove 9 can provide additional fixation and locking when the sunroof 5 is closed, thereby enhancing the stability of the sunroof 5 and preventing it from opening accidentally; secondly, it helps to make the sunroof 5 fit closely with the skylight opening and reduce the gap, thereby improving the sealing performance and better blocking rain, dust and noise; thirdly, the cooperation between the block 8 and the movable groove 9 is simple and direct, making the closing operation of the sunroof 5 smoother and easier, and does not require complicated operating steps; fourthly, during the driving process of the vehicle, it ensures that the sunroof 5 will not loosen due to vibration or other factors, thereby improving driving safety; fifthly, the movable groove 9 guides and positions the block 8 to ensure that the sunroof 5 can be closed accurately and correctly.

[0061] Sealing pads are arranged around the edges of the skylight 5 .

[0062] With such a design, the sealing gasket can not only effectively fill the gap between the skylight 5 and the ceiling body 1, preventing rain, dust, debris, etc. from entering the cab, keeping the room clean and dry; it also prevents heat from being conducted through the gap, thereby enhancing the heat insulation effect of the cab and making the indoor temperature more stable; at the same time, during vehicle driving, especially at high speeds, the sealing gasket can prevent wind from entering through the gap, thereby maintaining the stability of the airflow in the vehicle; in addition, it prevents heat from being conducted through the gap, thereby enhancing the heat insulation effect of the cab and making the indoor temperature more stable.

[0063] The ceiling body 1 is provided with a heat-insulating cavity 10, and the heat-insulating cavity 10 is used for placing air-conditioning components.

[0064] The air conditioning component is prior art and thus will not be described in detail in the embodiments.

[0065] A rear cover 11 is disposed on the top of the ceiling body 1 , and the rear cover 11 is located in the heat-insulating cavity 10 .

[0066] One side of the rear cover 11 is connected to the ceiling body 1 through a pair of flap hinges 12, and the rear cover 11 rotates in an arc around the axis of the flap hinge 12.

[0067] The top of the rear cover 11 away from the flap hinge 12 is connected to the ceiling body 1 through a plurality of connecting bolts 13 .

[0068] With such a design, firstly, the rear cover 11 is connected to the ceiling body 1 by a flap hinge 12, and one side is also fixed by a connecting bolt 13. This design allows the rear cover 11 to be easily opened when the air-conditioning components located in the insulation cavity 10 need to be repaired and maintained, thereby improving the convenience of operation.

[0069] Secondly, the rear cover 11 is connected to the ceiling body 1 through a plurality of connecting bolts 13, and can provide a good sealing effect in a closed state, thereby preventing dust, water vapor, etc. from entering the heat-insulating cavity 10 and protecting the air-conditioning components.

[0070] Thirdly, the rear cover 11 rotates in an arc with the axis of the flap hinge 12 as the axis center, and the opening and closing action is smooth, the operation is simple, and time and manpower are saved.

[0071] Fourthly, the firm connection ensures that the rear cover 11 will not be accidentally opened during driving of the vehicle, thus ensuring the safe operation of the air conditioning assembly.

[0072] Sealing pads are arranged around the edges of the rear cover 11 .

[0073] With such a design, the sealing gasket can not only fill the gap between the rear cover 11 and the ceiling body 1, effectively preventing dust, water vapor, impurities, etc. from entering the insulation cavity 10, better protecting the air-conditioning components and extending their service life; it also prevents external heat from entering the insulation cavity 10 through the gap, thereby enhancing the insulation performance of the ceiling, helping to maintain a comfortable temperature in the cab and reducing air-conditioning energy consumption; at the same time, during the driving of the vehicle, the sealing gasket can play a buffering role, reduce the vibration of the rear cover 11, prevent the rear cover 11 from loosening due to vibration, and ensure the stability of the connection.

[0074] Four bolt seats 14 for installing hanging bolts are arranged at the four corners of the top of the ceiling body 1, and the four bolt seats 14 are symmetrical in pairs.

[0075] Such a design, firstly, provides a bolt seat 14 specifically used for installing the lifting bolts, so that when the ceiling body 1 needs to be lifted and transported, the operation can be performed conveniently and safely, thereby improving the efficiency of transportation and installation.

[0076] Secondly, the four bolt seats 14 are symmetrically distributed in pairs, which can ensure that the ceiling body 1 is evenly stressed during the hoisting process, avoid tilting, shaking or even damage caused by uneven stress, and enhance the stability of the hoisting.

[0077] Thirdly, the bolt seats 14 are arranged at the four corners of the top of the ceiling body 1, which fully utilizes the corner space, does not occupy the effective use area of ​​the ceiling, and does not affect the overall appearance and function of the ceiling.

[0078] Fourthly, the provision of the bolt seats 14 increases the structural strength of the four corners of the top of the ceiling body 1 to a certain extent, which helps to improve the overall durability and deformation resistance of the ceiling body 1.

[0079] Fifth, the symmetrical design makes the installation and removal of lifting bolts more standardized, making it easier to use with common lifting equipment and reducing the complexity of the operation and the possibility of errors.

[0080] For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and variations made to the implementation methods are still within the protection scope of the present invention.

Claims

1. A tractor cab roof, comprising a roof body (1), characterized in that: The four corners of the ceiling body (1) are arc-shaped, and an arc-shaped mounting groove (2) is arranged at each corner of the ceiling body (1) along the arc direction thereof. Three lamp holders (3) for mounting lighting lamps are evenly arranged in the arc-shaped mounting groove (2) along the arc direction, wherein one of the lamp holders (3) in the two arc-shaped mounting grooves (2) at the front end of the ceiling body (1) is located at the corner position of the arc-shaped mounting groove (2), and the other two are located in the arc-shaped mounting groove (2) and at the front end of the ceiling body (1), and at an angle of 25° to 35° between two adjacent lamp holders (3); the middle lamp holder (3) in the two arc-shaped mounting grooves (2) at the rear end of the ceiling body (1) is located at the corner position of the arc-shaped mounting groove (2), and the other two lamp holders (3) are symmetrically arranged on both sides of the middle lamp holder (3), and the angle between two adjacent lamp holders (3) is 30° to 45°.

2. A tractor cab roof according to claim 1, characterized in that: A threaded hole (4) is provided at the bottom of the lamp holder (3) near the center thereof.

3. A tractor cab roof according to claim 2, characterized in that: A skylight opening is provided at the top of the ceiling body (1), and a skylight (5) is arranged on the skylight opening. One side of the skylight (5) is connected to the ceiling body (1) via a plurality of damping hinges (6), and the skylight (5) rotates in an arc around a damping axis of the damping hinge (6) as an axis.

4. A tractor cab roof according to claim 3, characterized in that: Two support blocks (7) are symmetrically arranged on the inner walls on both sides of the skylight window, and the tops of the support blocks (7) are in contact with the skylight (5).

5. The tractor cab roof according to claim 4, characterized in that: A clamping block (8) is integrally connected to the bottom of one side of the skylight (5) away from the hinged end, a movable groove (9) is provided on the skylight opening, and the clamping block (8) is adapted to the movable groove (9).

6. The tractor cab roof according to claim 1, characterized in that: A heat-insulating cavity (10) is provided in the ceiling body (1), and the heat-insulating cavity (10) is used to place an air-conditioning component. A rear cover (11) is provided on the top of the ceiling body (1), and the rear cover (11) is located in the heat-insulating cavity (10).

7. The tractor cab roof according to claim 6, characterized in that: One side of the rear cover (11) is connected to the ceiling body (1) via a pair of flap hinges (12), and the rear cover (11) rotates in an arc with the axis of the flap hinge (12) as the axis.

8. The tractor cab roof according to claim 7, characterized in that: The top of the rear cover (11) on the side away from the flap hinge (12) is connected to the ceiling body (1) via a plurality of connecting bolts (13).

9. The tractor cab roof according to claim 8, characterized in that: Sealing pads are provided on the edges of the rear cover (11) and the skylight (5).

10. The tractor cab roof according to claim 1, characterized in that: Four bolt seats (14) for installing hanging bolts are arranged at the four corners of the top of the ceiling body (1), and the four bolt seats (14) are symmetrically arranged in pairs.

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