Cab assembly

Abstract

The cab assembly comprises a cab frame and a car door rotationally connected with the cab frame, a rearview mirror is arranged on the outer side of the car door, the rearview mirror is located above the car door and located on the front side of the car door, one of the car door and the cab frame is provided with an electromagnetic attraction piece, and the other one of the car door and the cab frame is provided with a butt joint piece matched with the electromagnetic attraction piece. The electromagnetic attraction piece or the butt joint piece is arranged on the inner side of the automobile door and corresponds to the installation position of the rearview mirror. The utility model provides a cab assembly to solve the technical problem that a driver and passengers are affected to observe rearview mirrors due to the fact that the vibration amplitude of the rearview mirrors of an existing vehicle is large in the running process.

Description

Technical Field

[0001] This application belongs to the field of vehicle technology, specifically relating to a driver's cab assembly. Background Technology

[0002] The existing vehicle includes a cab assembly, which comprises a door and a cab frame. Within the cab frame, components such as a seat and steering wheel are arranged to form the cab. The driver and passengers operate the vehicle from within the cab. The door is rotatably connected to the cab frame, and the driver and passengers apply force to the door to turn it, opening or closing the passageway to enter and exit the cab. Before the vehicle starts, the door is closed and locked by a door lock located on the cab frame to prevent it from opening while the vehicle is in motion. The door also has a rearview mirror, which the driver and passengers use to observe the road conditions and status behind the vehicle. Therefore, the rearview mirror is located on the front of the door, while the door lock is located on the rear side of the door for easy closure. This causes vibration in parts of the door away from the locked position during vehicle movement, especially at the connection point between the rearview mirror and the door, where the vibration is more severe due to the weight of the rearview mirror and the influence of wind on the mirror's extension during driving, affecting the driver and passengers' ability to observe through the rearview mirror. Utility Model Content

[0003] This application provides a cab assembly to solve the technical problem that the rearview mirrors of existing vehicles vibrate greatly during driving, affecting the driver's and passengers' ability to see the rearview mirrors.

[0004] The technical solution adopted in this application is as follows:

[0005] A cab assembly includes a cab frame and a door rotatably connected to the cab frame. A rearview mirror is provided on the outer side of the door, which is located above and in front of the door. One of the door and the cab frame is provided with an electromagnetic attractor, and the other is provided with a docking part that cooperates with the electromagnetic attractor. The electromagnetic attractor or docking part is located on the inner side of the door and is positioned corresponding to the installation position of the rearview mirror.

[0006] One of the cab assemblies in this application also includes the following additional technical features:

[0007] The rearview mirror includes a fastener that connects to the door. The connection point between the fastener and the door is the installation position. The projection range of the electromagnetic suction component or docking component toward the outside of the door at least partially covers the installation position.

[0008] The rearview mirror includes a mirror body and two fasteners that connect the upper and lower ends of the mirror body respectively. The car door is equipped with multiple electromagnetic suction components. The multiple electromagnetic suction components are spaced apart along the outer contour of the car door. The multiple electromagnetic suction components constitute a magnetic suction assembly. The projection range of the magnetic suction assembly toward the outside of the car door covers the connection position between the two fasteners and the car door.

[0009] The cab frame includes a door frame, which includes a mounting hole and a mounting wall arranged circumferentially along the mounting hole. The door abuts against the mounting wall, and the inner side of the door is provided with a mounting groove corresponding to the mounting position. An electromagnetic suction component or a docking component is provided in the mounting groove.

[0010] The top surface of the electromagnetic suction component or docking component is flush with the groove surface of the mounting slot.

[0011] The door also includes reinforcing ribs on both sides of the mounting groove, which extend along the outer contour of the door.

[0012] The mounting groove extends along the outer contour of the door, and a receiving cavity is provided at the end of the mounting groove, which is connected to the mounting groove.

[0013] The cab assembly also includes a sweeper that is movably disposed in the mounting slot. The receiving cavity has an opening that communicates with the mounting slot and faces upward. The sweeper sweeps debris from the mounting slot into the receiving cavity.

[0014] The electromagnetic suction component is fixed to the bottom of the mounting groove, and an elastic buffer is provided between the electromagnetic suction component and the bottom of the groove.

[0015] The mounting wall is provided with a positioning groove, the docking part is fixed in the positioning groove, the car door abuts against the mounting wall, and the electromagnetic suction part abuts against the docking part.

[0016] Due to the adoption of the above technical solution, the beneficial effects achieved by this application are as follows:

[0017] 1. This application installs an electromagnetic suction component or a docking component on the inner side of the vehicle door corresponding to the installation position of the rearview mirror. The electromagnetic suction component and the docking component work together to further connect the vehicle door to the driver's side frame, thereby fixing the rearview mirror in place. During vehicle operation, the attraction between the electromagnetic suction component and the docking component resists external forces on the vehicle door, ensuring a tight fit between the door and the driver's side frame, forming a stable and rigid connection. This effectively blocks the transmission of external forces such as road bumps, crosswind impacts, and engine vibrations to the vehicle door, thus preventing the rearview mirror from shaking due to slight door movements. Even when the vehicle is traveling on unpaved roads or encountering strong crosswinds, the continuous and stable suction force of the electromagnetic suction component can counteract the displacement trend of the vehicle door in real time, controlling the vibration amplitude of the rearview mirror to a very small range, ensuring that the driver can clearly observe the road conditions behind.

[0018] 2. As a preferred embodiment of this application, by setting the projection range to at least partially cover the installation position, the external forces (such as road bumps and wind resistance impacts) on the car door are transmitted more directly to the cab frame through the electromagnetic suction and docking parts, thereby fixing the car door, improving the effect of the electromagnetic suction and docking parts, and reducing the vibration amplitude of the rearview mirror.

[0019] Furthermore, by incorporating multiple electromagnetic suction components, a uniform suction force can be applied to the vehicle door, ensuring a tight, all-around fit between the door and the cab frame, thus reducing vibration during driving. The rearview mirror includes two fixing components, providing stable support for the mirror body and improving its anti-interference capabilities. The connection points of both fixing components are within the projection range of the magnetic suction assembly, ensuring that the connection points of the two fixing components are directly subjected to the force of the magnetic suction assembly, maintaining a stable connection.

[0020] 3. As a preferred embodiment of this application, by providing a mounting groove on the inner side of the car door corresponding to the installation position, the side mirror and electromagnetic chuck or docking component can be installed in one process during the assembly stage, optimizing the assembly process and improving production efficiency. The mounting groove clearly defines the installation position of the electromagnetic chuck or docking component, providing accurate installation positioning. Furthermore, placing the electromagnetic chuck or docking component within the mounting groove on the inner side of the car door achieves concealed installation, does not occupy external space of the car door, does not affect the vehicle's appearance, and also avoids potential collision damage to the exposed electromagnetic chuck or docking component, improving component durability and the overall aesthetics of the vehicle.

[0021] Furthermore, by ensuring that the top surface of the electromagnetic suction component or mating component is flush with the groove opening of the mounting slot, the force is evenly distributed when the door contacts the mounting wall, avoiding localized stress concentration caused by protruding or recessed components. When the electromagnetic suction component is working, it can create a seamless rigid connection between the door and the door frame, enhancing overall sealing, reducing wind noise and vibration caused by gaps during driving, and improving the stability of the door.

[0022] Furthermore, by incorporating reinforcing ribs that extend along the door's contour to form a wraparound reinforcement structure, the ribs can disperse stress when the door is subjected to external forces, preventing deformation of the mounting groove area due to excessive localized stress. This ensures that the installation accuracy of the electromagnetic suction components or mating parts is not affected. The reinforcing ribs also increase the door's rigidity, effectively suppressing door resonance caused by road bumps and engine vibrations during driving. Simultaneously, the reinforcing ribs on both sides of the mounting groove, combined with the cooperation of the electromagnetic suction components and mating parts, further block the path of vibration transmission to the rearview mirror.

[0023] 4. As a preferred embodiment of this application, by setting an installation groove that extends along the outer contour of the car door, the extended installation groove, together with the reinforcing rib, forms a closed-loop reinforcement structure at the edge of the car door, effectively dispersing the external force on the car door and avoiding stress concentration in the installation area of ​​the electromagnetic suction component or the docking component.

[0024] Furthermore, by setting up a cleaning component, the mounting slot and the electromagnetic suction component or docking component set in the mounting slot can be actively cleaned to prevent debris from affecting the connection effect of the electromagnetic suction component and the docking component. At the same time, by setting up a receiving cavity with an upward opening, the debris cleaned by the cleaning component can be collected, making it convenient for drivers and passengers to clean up in a concentrated manner.

[0025] 5. As a preferred embodiment of this application, by setting an elastic buffer, the elastic buffer can effectively attenuate the external forces transmitted to the car door by road bumps, engine vibrations, etc. during vehicle driving. When the electromagnetic suction part and the docking part are in cooperation, the buffer absorbs vibration energy through its own deformation, reducing the transmission of vibration to the car door and rearview mirror.

[0026] 6. As a preferred embodiment of this application, the positioning groove provides a clear installation benchmark for the mating parts, allowing for quick and precise insertion of the mating parts during installation, avoiding installation deviations caused by manual operation. When the car door abuts against the mounting wall, the mating parts fixed in the positioning groove and the electromagnetic suction parts form a rigid connection with each other. The constraint effect of the positioning groove prevents the mating parts from shifting during the attraction process, ensuring uniform transmission of magnetic force and avoiding loosening caused by uneven local force. Attached Figure Description

[0027] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:

[0028] Figure 1 This is a structural schematic diagram of the cab assembly according to one embodiment of this application;

[0029] Figure 2 This is a schematic diagram of the door frame structure according to one embodiment of this application;

[0030] Figure 3 This is a schematic diagram of the structure of the lower door according to one embodiment of this application;

[0031] Figure 4 for Figure 3 Enlarged view of part A in the middle;

[0032] Figure 5 for Figure 4 Cross-sectional view along the AA direction.

[0033] Figure label:

[0034] 1. Cab frame; 11. Connecting parts; 12. Door frame; 121. Mounting holes; 122. Mounting walls; 123. Positioning slots;

[0035] 2. Door; 21. Electromagnetic suction component; 211. Top surface; 22. Mounting groove; 23. Reinforcing rib; 24. Receiving cavity;

[0036] 3. Rearview mirror; 31. Fixture; 32. Mirror body;

[0037] 4. Cleaning items;

[0038] 5. Elastic cushioning components. Detailed Implementation

[0039] To more clearly illustrate the overall concept of this application, a detailed explanation is provided below with reference to the accompanying drawings.

[0040] Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of this application is not limited to the specific embodiments disclosed below. It should be noted that, unless otherwise specified, the embodiments of this application and the features thereof can be combined with each other.

[0041] Furthermore, it should be understood in the description of this application that the terms "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0042] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0043] In this application, unless otherwise expressly specified and limited, the "above" or "below" of the second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. In the description of this specification, references to terms such as "an embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples.

[0044] like Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a cab assembly includes a cab frame 1 and a door 2 rotatably connected to the cab frame 1. A rearview mirror 3 is provided on the outer side of the door 2. The rearview mirror 3 is located above the door 2 and in front of the door 2. One of the door 2 and the cab frame 1 is provided with an electromagnetic suction member 21, and the other is provided with a docking member 11 that cooperates with the electromagnetic suction member 21. The electromagnetic suction member 21 or the docking member 11 is provided on the inner side of the door 2 and is set in accordance with the installation position of the rearview mirror 3.

[0045] This application provides an electromagnetic suction component 21 or a docking component 11 on the inner side of the vehicle door 2 corresponding to the installation position of the rearview mirror 3. The electromagnetic suction component 21 and the docking component 11 work together to further connect the vehicle door 2 to the driver's side frame, thereby fixing the rearview mirror 3 in place. During vehicle operation, the attraction between the electromagnetic suction component 21 and the docking component 11 resists external forces on the vehicle door 2, ensuring a tight fit between the vehicle door 2 and the driver's side frame 1, forming a stable and rigid connection. This effectively blocks the transmission of external forces such as road bumps, crosswind impacts, and engine vibrations to the vehicle door 2, thus preventing the rearview mirror 3 from shaking due to slight movements of the vehicle door 2. Even when the vehicle is traveling on unpaved roads or encountering strong crosswinds, the continuous and stable suction force of the electromagnetic suction component 21 can counteract the displacement trend of the vehicle door 2 in real time, controlling the vibration amplitude of the rearview mirror 3 within a very small range, ensuring that the driver can clearly observe the road conditions behind.

[0046] Those skilled in the art will understand that the electromagnetic attractor 21 is an electromagnet. Preferably, after the car door 2 is locked, the electromagnetic attractor 21 is energized, and the electromagnetic attractor 21 and the docking part 11 are magnetically connected to further secure the car door 2. The shape of the electromagnetic attractor 21 and the docking part 11 is not limited in this application. The inner side of the car door 2 refers to the side facing the inside of the cab frame 1 when the car door 2 is closed, and the outer side of the car door 2 refers to the side facing away from the cab frame 1.

[0047] In this application, the electromagnetic suction member 21 or the docking member 11 can be configured to correspond to the installation position of the rearview mirror 3 in any of the following embodiments:

[0048] Implementation method one: such as Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the rearview mirror 3 includes a fixing member 31 connected to the door 2. The connection position between the fixing member 31 and the door 2 is the installation position. The projection range of the electromagnetic suction member 21 or the docking member 11 towards the outside of the door 2 at least partially covers the installation position. By setting the projection range to at least partially cover the installation position, the external forces (such as road bumps and wind resistance impacts) on the door 2 can be more directly transmitted to the cab frame 1 through the electromagnetic suction member 21 and the docking member 11, thereby fixing the door 2, improving the effect of the electromagnetic suction member 21 and the docking member 11, and reducing the vibration amplitude of the rearview mirror 3.

[0049] Implementation Method 2: This implementation method is not illustrated. The rearview mirror includes a fastener that connects to the car door. The connection position between the fastener and the car door is the installation position. An electromagnetic suction component or docking component is arranged in a ring, and a central cavity is arranged corresponding to the installation position.

[0050] Preferred embodiment 1 as one implementation method: Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the rearview mirror 3 includes a mirror body 32 and two fixing members 31 respectively connecting the upper and lower ends of the mirror body 32. The car door 2 is provided with multiple electromagnetic suction members 21, which are spaced apart along the outer contour of the car door 2. The multiple electromagnetic suction members 21 constitute a magnetic suction assembly, and the projection range of the magnetic suction assembly towards the outside of the car door 2 covers the connection position between the two fixing members 31 and the car door 2. Those skilled in the art will understand that, in the above description, the projection range may also include an interval projection range, that is, the connection position between the fixing member 31 and the car door 2 may correspond to the interval between the two electromagnetic suction members 21. By setting multiple electromagnetic suction members 21, a uniform suction force can be applied to the car door 2, ensuring that the car door 2 and the cab frame 1 are tightly fitted in all directions, thus improving the prevention of vibration of the car door 2 during driving. By setting the rearview mirror 3 to include two fixing members 31, the two fixing members 31 provide stable support for the mirror body 32, improving the anti-interference ability of the mirror body 32. The connection positions of the two fasteners 31 of the rearview mirror 3 are both within the projection range of the magnetic attraction component, ensuring that the connection positions of the two fasteners 31 can be directly subjected to the force of the magnetic attraction component, so that the fasteners 31 can maintain a stable connection state.

[0051] In this application, the installation method of the electromagnetic suction member 21 or the docking member 11 can be any of the following embodiments:

[0052] Implementation Method 3: For example Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the cab frame 1 includes a door frame 12, which includes a mounting hole 121 and a mounting wall 122 arranged circumferentially along the mounting hole 121. The door 2 abuts against the mounting wall 122. A mounting groove 22 is provided on the inner side of the door 2 at the corresponding mounting position. An electromagnetic attractor 21 or a connecting piece 11 is disposed in the mounting groove 22. By providing a mounting groove 22 on the inner side of the door 2 at the corresponding mounting position, the installation of the rearview mirror 3 and the electromagnetic attractor 21 or connecting piece 11 can be completed in one process during assembly, optimizing the assembly process and improving production efficiency. The mounting groove 22 clearly defines the installation position of the electromagnetic attractor 21 or connecting piece 11, providing accurate installation positioning for the electromagnetic attractor 21 or connecting piece 11. Furthermore, by placing the electromagnetic suction component 21 or the docking component 11 in the mounting groove 22 on the inner side of the door 2, a hidden installation is achieved, which does not occupy the external space of the door 2 and will not affect the appearance of the vehicle. At the same time, it avoids the potential collision damage to the electromagnetic suction component 21 or the docking component 11 that may be exposed to the outside, thereby improving the durability of the components and the overall aesthetics of the vehicle.

[0053] Implementation Method 4: This implementation method is not illustrated. The mounting wall is provided with a fixing groove, and the docking part or electromagnetic suction part is provided in the fixing groove. The electromagnetic suction part is fixed to the inside of the car door. When the car door is closed, part of the electromagnetic suction part is located in the fixing groove and cooperates with the docking part.

[0054] As a preferred embodiment 2 in implementation method 3: such as Figure 4 , Figure 5 As shown, the top surface 211 of the electromagnetic suction component 21 or the mating component 11 is flush with the groove plane of the mounting groove 22. By setting the top surface 211 of the electromagnetic suction component 21 or the mating component 11 to be flush with the groove plane of the mounting groove 22, it is ensured that the force is evenly distributed when the door 2 contacts the mounting wall 122, avoiding local stress concentration caused by component protrusions or depressions. When the electromagnetic suction component 21 is working, it can form a seamless rigid connection between the door 2 and the door frame 12, enhancing the overall sealing performance, reducing wind noise and vibration caused by gaps during driving, and improving the stability of the door 2.

[0055] Furthermore, such as Figure 4 , Figure 5As shown, the door 2 also includes reinforcing ribs 23 on both sides of the mounting groove 22. The reinforcing ribs 23 extend along the outer contour of the door 2, and the mounting wall 122 is also provided with a relief groove to avoid the reinforcing ribs 23. By setting the reinforcing ribs 23, which extend along the contour of the door 2, a surrounding reinforcement structure is formed. When the door 2 is subjected to external force, the reinforcing ribs 23 can disperse the stress, preventing the mounting groove 22 area from deforming due to excessive local stress, and ensuring that the installation accuracy of the electromagnetic suction component 21 or the docking component 11 is not affected. The reinforcing ribs 23 increase the rigidity of the door 2, which can effectively suppress the resonance of the door 2 caused by road bumps and engine vibration during driving. At the same time, the reinforcing ribs 23 on both sides of the mounting groove 22, combined with the cooperation of the electromagnetic suction component 21 and the docking component 11, further block the path of vibration transmission to the rearview mirror 3.

[0056] As a preferred specific example under Embodiment 2: such as Figure 4 , Figure 5 As shown, the mounting groove 22 extends along the outer contour of the door 2, and a receiving cavity 24 is provided at the end of the mounting groove 22, which communicates with the mounting groove 22. Those skilled in the art will understand that multiple mounting grooves 22 can be provided at intervals along the outer contour of the door 2. By providing mounting grooves 22 that extend along the outer contour of the door 2, the extended mounting grooves 22, in conjunction with reinforcing ribs 23, form a closed-loop reinforcement structure at the edge of the door 2, effectively dispersing the external forces acting on the door 2 and preventing stress concentration in the mounting areas of the electromagnetic suction component 21 or the connecting component 11.

[0057] As a preferred option, such as Figure 4 , Figure 5 As shown, the cab assembly also includes a cleaning component 4 movably disposed in the mounting slot 22. The receiving cavity 24 has an opening communicating with the mounting slot 22, with the opening facing upwards. The cleaning component 4 sweeps debris from the mounting slot 22 into the receiving cavity 24. The mounting slot 22 includes opposing slot walls with a movable slot. The cleaning component 4 includes a movable section disposed in the movable slot and a cleaning section connected to the movable section and equipped with a brush. By providing the cleaning component 4, the mounting slot 22 and the electromagnetic suction component 21 or docking component 11 disposed in the mounting slot 22 can be actively cleaned, preventing debris from affecting the connection effect between the electromagnetic suction component 21 and the docking component 11. At the same time, by providing the receiving cavity 24 with an upward-facing opening, the debris cleaned by the cleaning component 4 can be collected, facilitating centralized cleaning by the driver and passengers.

[0058] As a preferred embodiment of implementation method three: such as Figure 4 , Figure 5As shown, the electromagnetic suction component 21 is fixed to the bottom of the mounting groove 22, and an elastic buffer 5 is provided between the electromagnetic suction component 21 and the bottom of the groove. By providing the elastic buffer 5, the elastic buffer 5 can effectively attenuate the external forces transmitted to the door 2 during vehicle operation, such as road bumps and engine vibrations. When the electromagnetic suction component 21 is engaged with the docking component 11, the buffer absorbs vibration energy through its own deformation, reducing the transmission of vibration to the door 2 and the rearview mirror 3. This application does not limit the method of fixing the electromagnetic suction component 21; it can be fixed by bolts or by providing a slot, etc.

[0059] In implementation method three, the docking member 11 can be configured in any of the following embodiments:

[0060] Example 4: Figure 2 , Figure 3 , Figure 4 As shown, the mounting wall 122 is provided with a positioning groove 123. The mating part 11 is fixed in the positioning groove 123, the car door 2 abuts against the mounting wall 122, and the electromagnetic suction part 21 abuts against the mating part 11. The positioning groove 123 provides a clear installation reference for the mating part 11, allowing it to be quickly and accurately inserted during installation, avoiding installation deviations caused by manual operation. When the car door 2 abuts against the mounting wall 122, the mating part 11 fixed in the positioning groove 123 and the electromagnetic suction part 21 form a rigid connection through tight contact. The constraint effect of the positioning groove 123 prevents the mating part 11 from shifting during the attraction process, ensuring uniform transmission of magnetic force and avoiding loosening caused by uneven local force.

[0061] Those skilled in the art will understand that the mating part 11 can be an electromagnet or a ferromagnetic material, and this application does not limit it.

[0062] Example 5: This example 5 is not shown in the figure. The mounting wall is made of ferromagnetic material, the docking part is the mounting wall, and the electromagnetic suction part abuts against the mounting wall.

[0063] For any parts not mentioned in this application, existing technologies may be used or referenced.

[0064] The various embodiments in this specification are described in a progressive manner. The same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on describing the differences from other embodiments.

[0065] The above description is merely an embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this application should be included within the scope of the claims of this application.

Claims

1. A cab assembly characterized by, The vehicle includes a cab frame and a door rotatably connected to the cab frame. A rearview mirror is provided on the outer side of the door. The rearview mirror is located above the door and in front of the door. One of the door and the cab frame is provided with an electromagnetic attractor, and the other is provided with a docking part that cooperates with the electromagnetic attractor. The electromagnetic attractor or the docking part is located on the inner side of the door and is set corresponding to the installation position of the rearview mirror.

2. A cab assembly according to claim 1, characterized in that The rearview mirror includes a fastener connected to the vehicle door. The connection position between the fastener and the vehicle door is the installation position. The projection range of the electromagnetic suction member or the docking member toward the outside of the vehicle door at least partially covers the installation position.

3. A cab assembly according to claim 2, wherein, The rearview mirror includes a mirror body and two fixing members respectively connected to the upper and lower ends of the mirror body. The car door is provided with multiple electromagnetic suction members, which are spaced apart along the outer contour of the car door. The multiple electromagnetic suction members constitute a magnetic suction assembly. The projection range of the magnetic suction assembly toward the outside of the car door covers the connection position between the two fixing members and the car door.

4. A cab assembly according to claim 1, wherein, The cab frame includes a door frame, the door frame includes a mounting hole and a mounting wall arranged circumferentially along the mounting hole, the door abuts against the mounting wall, and the inner side of the door is provided with a mounting groove corresponding to the mounting position, the electromagnetic suction member or the docking member is provided in the mounting groove.

5. A cab assembly according to claim 4, wherein, The top surface of the electromagnetic suction component or the docking component is flush with the groove plane of the mounting groove.

6. A cab assembly according to claim 5, wherein, The door also includes reinforcing ribs on both sides of the mounting groove, the reinforcing ribs extending along the outer contour of the door.

7. A cab assembly according to claim 5, wherein, The mounting groove extends along the outer contour of the vehicle door, and a receiving cavity is provided at the end of the mounting groove, the receiving cavity being in communication with the mounting groove.

8. A cab assembly according to claim 7, wherein, The cab assembly also includes a cleaning component movably disposed in the mounting slot. The receiving cavity has an opening communicating with the mounting slot, the opening facing upwards, and the cleaning component sweeps debris from the mounting slot into the receiving cavity.

9. A cab assembly according to claim 4, wherein, The electromagnetic suction component is fixed to the bottom of the mounting groove, and an elastic buffer is provided between the electromagnetic suction component and the bottom of the groove.

10. A cab assembly according to claim 4, wherein, The mounting wall is provided with a positioning groove, the docking component is fixed in the positioning groove, the car door abuts against the mounting wall, and the electromagnetic suction component abuts against the docking component.

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