Interior decoration of a loader cab

Abstract

The present invention discloses a loader cab interior, comprising a main cab frame and an interior trim assembly covering the main cab frame. The interior trim assembly includes a pillar assembly located at the front, a front panel assembly covering the front, a floor mat covering the bottom, an armrest box assembly covering the armrest box, a rear panel assembly covering the rear, and a roof assembly covering the top. The pillar assembly, front panel assembly, floor mat, armrest box assembly, rear panel assembly, and roof assembly are all fixedly connected to the main cab frame. The pillar assembly is arranged vertically, and the front panel assembly, floor mat, armrest box assembly, and rear panel assembly are assembled into a whole. The cab interior of the present invention adopts a modular design, allowing modular combination according to different configuration requirements.

Description

Technical Field

[0001] The invention belongs to the technical field of loaders and relates to a cab interior of a loader. Background Art

[0002] At present, there is an increasing demand for personalized customization of loaders. The original cab interior cannot meet the diverse configuration change requirements due to its single layout, requiring redesign and mold investment, which increases design and manufacturing costs. The domestic cab interior operating handles are arranged vertically, and the steering wheel, elbow rest, and armrest box are not adjustable, resulting in poor human-machine comfort. The cab interior controller, fuse box and other electrical components are mostly installed behind the seats, and the space is relatively cramped for maintenance.

[0003] The shortcomings of the prior art are:

[0004] (1) The integrated armrest box, steering column, and instrument panel cannot be disassembled according to configuration additions, subtractions, or changes;

[0005] (2) The operating handles in the domestic cab interior are arranged vertically, and the steering wheel, elbow rest, and armrest box are mostly not adjustable, resulting in poor human-machine comfort;

[0006] (3) Most of the electrical components in the cab, such as controllers and fuse boxes, are installed behind the seats. Due to the obstruction of the seats, there is insufficient space for maintenance. Summary of the Invention

[0007] The purpose of the present invention is to overcome the deficiencies in the prior art and to provide a loader cab interior that adopts a modular design and can be modularly combined according to different configuration requirements.

[0008] In order to solve the above technical problems, the present invention provides an interior decoration of a loader cab, comprising: a cab main frame and an interior decoration assembly covering the cab main frame;

[0009] The interior trim assembly includes a pillar assembly located in the front, a front panel assembly covering the front, a floor mat covering the bottom, an armrest box assembly covering the armrest box, a rear panel assembly covering the rear, and a roof assembly covering the top;

[0010] The pillar assembly, front panel assembly, floor mat, armrest box assembly, rear panel assembly and roof assembly are all fixedly connected to the main frame of the cab, and the pillar assembly is vertically arranged, and the front panel assembly, floor mat, armrest box assembly and rear panel assembly are spliced into a whole.

[0011] Furthermore, the column assembly includes a steering column assembly, an instrument assembly movably assembled in front of the steering column assembly, a column upper right cover covering the upper right part of the steering column assembly, a column lower right cover covering the lower right part of the steering column assembly, a column upper left cover covering the upper left part of the steering column assembly, a column button mounting plate fixed to the upper rear part of the steering column assembly, a column middle rubber sleeve wrapping the middle section of the steering column assembly, and a column lower left cover covering the lower left part of the steering column assembly;

[0012] The instrument assembly, the upper right cover of the column, the lower right cover of the column, the upper left cover of the column, and the lower left cover of the column are fixed on the steering column assembly. The steering column assembly is fixedly connected to the main frame of the cab. The rubber sleeve in the column is fixed by the cover slot structure. The column button mounting plate is connected and fixed to the upper right cover of the column and the upper left cover of the column through the slot.

[0013] Furthermore, the instrument assembly and the steering column assembly are split structures.

[0014] Furthermore, the steering column assembly includes an upper column assembly, a steering column adjustment rod, a spring, a steering column engagement link, a lower sleeve, a lower column, an upper sleeve, an adjustment pin and a steering wheel;

[0015] The steering column assembly is fixedly connected to the main frame of the cab, the steering wheel is fixed to the upper tube column assembly, the upper tube sleeve is fixedly sleeved on the upper tube column assembly, the lower tube sleeve is fixedly sleeved on the lower tube column, the bottom end of the lower tube column is fixedly connected to the main frame of the cab, the upper tube sleeve and the lower tube sleeve are connected by an adjusting pin shaft, the steering column adjusting rod is fixed on the steering column bite link, the steering column bite link is fixed to the lower tube sleeve by a pin shaft, and the steering column bite link and the lower tube sleeve are connected and tightened by a spring.

[0016] Furthermore, the front cowl assembly includes a front cowl cover, an integrated air duct, a wiper water pot cover and a wiper water pot;

[0017] The front cover is covered on the main frame of the cab, the integrated air duct is connected to the front cover, the wiper kettle is arranged on the lower right side of the front cover, the wiper kettle cover is used to seal the wiper kettle, the wiper kettle is used to contain glass liquid, and the fixed position of the wiper kettle is close to the right driver's door.

[0018] Furthermore, the front cover is in the shape of a Chinese numeral "X" on both sides.

[0019] Furthermore, the armrest box assembly includes an operating handle, a handle mounting transition plate, an armrest box front cover covering the front of the armrest box, an armrest box front bracket mounted in front of the armrest box front cover, an elbow rest height adjustment knob, an elbow rest, an armrest box rear bracket, a controller mounting bracket, an armrest box button panel, and an armrest box rear cover covering the rear of the armrest box;

[0020] The operating handle is fixedly mounted on the upper end of the front bracket of the armrest box through a handle mounting transition plate, and the handle mounting transition plate is fixed to the front bracket of the armrest box;

[0021] The elbow support is connected to the armrest box through a threaded locking structure of the elbow support height adjustment knob;

[0022] An armrest box maintenance door is provided on the armrest box rear cover near the right door of the cab, and a first quick-release lock is installed on the armrest box maintenance door. The armrest box maintenance door is arranged on the side of the armrest box assembly 4 near the right door and is fixed to the armrest box rear cover by the first quick-release lock;

[0023] The armrest box button panel is fixed to the top of the armrest box rear cover by screws, the armrest box rear bracket is connected to the main frame of the cab by screws, and the armrest box rear cover covers the armrest box rear bracket.

[0024] Furthermore, a line connecting the positions of the operating handle and the elbow rest forms an angle A1 with respect to the X-axis in the horizontal plane XY, and the angle range is 5 to 15 degrees.

[0025] Furthermore, the surface of the armrest box button panel forms an angle A2 with the Y axis in the vertical plane YZ, and the angle range is 10 to 20 degrees.

[0026] Furthermore, the rear enclosure assembly includes a rear enclosure rear cover, a rear enclosure front cover, a rear enclosure maintenance door, and a quick-release lock;

[0027] The rear panel rear cover and the rear panel front cover are arranged side by side on the main frame of the cab;

[0028] A rear maintenance door is provided on the side of the rear maintenance door close to the left door of the cab, and a second quick-release lock is installed on the rear maintenance door. The rear maintenance door is arranged on the side close to the left door and is fixed to the front cover of the rear of the armrest box through the second quick-release lock.

[0029] Compared with the existing technology, the beneficial effects achieved by the present invention are: it adopts a modular design, can be modularly combined according to different configuration requirements to meet customization needs; can provide better human-machine operation comfort and vision; and at the same time provide more convenient maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the interior assembly;

[0031] Figure 2 This is a schematic diagram of the interior trim assembly being installed on the main frame assembly of the cab;

[0032] Figure 3 This is a schematic diagram of the main frame of the cab;

[0033] Figure 4 This is a schematic diagram of the column assembly;

[0034] Figure 5 This is a schematic diagram of the exploded structure of the column assembly;

[0035] Figure 6 Schematic diagram of the steering column structure;

[0036] Figure 7 Schematic diagram of the tooth groove structure;

[0037] Figure 8 This is a schematic diagram of the steering column angle adjustment structure;

[0038] Figure 9 Schematic diagram of the front panel assembly;

[0039] Figure 10 This is a schematic diagram of the exploded structure of the front panel assembly;

[0040] Figure 11 This is a schematic diagram of the armrest box assembly;

[0041] Figure 12 This is a schematic diagram of the exploded structure of the armrest box assembly;

[0042] Figure 13 Arrange top views for the operating handle and elbow rest;

[0043] Figure 14 This is a cross-sectional view of the armrest box;

[0044] Figure 15 Schematic diagram of the rear panel assembly;

[0045] Figure 16 Schematic diagram of the exploded structure of the rear panel assembly.

[0046] Markings in the figure:

[0047] 1. Column assembly; 11. Instrument panel assembly; 12. Upper right column cover; 13. Lower right column cover; 14. Steering column assembly; 141. Upper column assembly; 142. Steering column adjustment lever; 143. Spring; 144. Steering column engagement link; 145. Lower sleeve; 146. Lower column; 147. Upper sleeve; 148. Adjustment pin; 149. Steering wheel; 15. Upper left column cover; 16. Column button mounting plate; 17. Center column rubber sleeve; 18. Lower left column cover.

[0048] 2. Front panel assembly; 21. Integrated air duct; 22. Front panel cover; 23. Wiper water bottle cover; 24. Wiper water bottle;

[0049] 3. Floor mat;

[0050] 4. Armrest box assembly; 41. Operating handle; 42. Handle mounting transition plate; 43. Armrest box front cover; 44. Armrest box front bracket; 45. Elbow rest height adjustment knob; 46. Elbow rest; 47. Armrest box rear bracket; 48. Controller mounting bracket; 49. Armrest box button panel; 410. Armrest box rear cover; 411. Armrest box maintenance door; 412. First quick-release lock;

[0051] 5. Rear panel assembly; 51. Rear panel rear cover; 52. Rear panel front cover; 53. Second quick-release lock; 54. Rear panel maintenance door;

[0052] 6. Roof assembly;

[0053] 7. Main frame of the cab;

[0054] 8. Interior assembly. DETAILED DESCRIPTION

[0055] The present invention will be further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention and are not intended to limit the scope of protection of the present invention.

[0056] In the description of the patent of the present invention, it should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, which includes not only the listed elements but also other elements that are not explicitly listed.

[0057] In the description of this patent, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this patent and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this patent. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0058] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. A person of ordinary skill in the art will be able to understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0059] like Figure 1 、 Figure 2 、 Figure 3 As shown, the interior of the loader cab of the present invention is a plastic and metal welded frame assembly, consisting of a main cab frame 7 and an interior trim assembly 8 covering the main cab frame 7. The interior trim assembly 8 is connected to the main cab frame 7 by screws. The interior trim assembly 8 is composed of a pillar assembly 1 located in the front, a front panel assembly 2 covering the front, a floor mat 3 covering the bottom, an armrest box assembly 4 covering the armrest box, a rear panel assembly 5 covering the rear, and a roof assembly 6 covering the top. The pillar assembly 1, front panel assembly 2, floor mat 3, armrest box assembly 4, rear panel assembly 5, and roof assembly 6 are all fixedly connected to the main cab frame 7. The pillar assembly 1 is arranged vertically, and the front panel assembly 2, floor mat 3, armrest box assembly 4, and rear panel assembly 5 are spliced together to form a whole.

[0060] The detailed structure of the column assembly 1 is as follows Figure 4 、 Figure 5 As shown, the column assembly 1 comprises a steering column assembly 14, an instrument assembly 11 movably mounted in front of the steering column assembly 14, a right upper column cover 12 covering the upper right portion of the steering column assembly 14, a right lower column cover 13 covering the lower right portion of the steering column assembly 14, a left upper column cover 15 covering the upper left portion of the steering column assembly 14, a column button mounting plate 16 fixed to the upper rear portion of the steering column assembly 14, a column center rubber sleeve 17 covering the middle section of the steering column assembly 14, and a left lower column cover 18 covering the lower left portion of the steering column assembly 14. The instrument assembly 11, right upper column cover 12, right lower column cover 13, left upper column cover 15, and left lower column cover 18 are fixed to the steering column assembly 14 by screws, and the steering column assembly 14 is fixedly connected to the cab main frame 7 by bolts. The rubber sleeve 17 in the column is fixed by the cover slot structure, and the column button mounting plate 16 is connected and fixed to the upper right cover 12 and the upper left cover 15 of the column through the slot.

[0061] The instrument assembly 11 and the steering column assembly 14 are of split design, and other instrument assemblies can be selected or replaced according to configuration requirements.

[0062] The structure of the steering column assembly 14 is as follows Figure 6 、 Figure 7 、 Figure 8As shown, the steering column assembly 14 consists of an upper column assembly 141, a steering column adjustment rod 142, a spring 143, a steering column engagement link 144, a lower sleeve 145, a lower column 146, an upper sleeve 147, an adjustment pin 148, and a steering wheel 149. The steering wheel 149 is fixed to the upper column assembly 141 via a nut, the upper sleeve 147 is fixedly sleeved onto the upper column assembly 141 via bolts, the lower sleeve 145 is fixedly sleeved onto the lower column 146 via bolts, the bottom end of the lower column 146 is fixedly connected to the cab main frame 7, the upper sleeve 147 and the lower sleeve 145 are connected via an adjustment pin 148, the steering column adjustment rod 142 is fixed to the steering column engagement link 144, the steering column engagement link 144 is fixed to the lower sleeve 145 via a pin, and the steering column engagement link 144 and the lower sleeve 145 are connected and tightened by a spring 143. By pulling the steering column adjustment rod 142 counterclockwise to drive the steering column engagement link 144 and release the engagement relationship of the upper tooth groove, the angle of the upper column assembly 141 can be adjusted along the axis of the adjustment pin shaft 148. The angle adjustment of the upper column assembly 141 can effectively improve the operating comfort.

[0063] The structure of the front panel assembly 2 is as follows Figure 9 、 Figure 10 As shown, the dash assembly 2 consists of a dash cover 22, an integrated air duct 21, a wiper water pot cover 23, and a wiper water pot 24. The dash cover 22 is screwed onto the cab main frame 7, and the integrated air duct 21 is screwed to the dash cover 22. The wiper water pot 24 is located on the lower right side of the dash cover 22. The wiper water pot cover 23 seals the wiper water pot 24, which contains glass liquid. Positioning the wiper water pot 24 near the right driver's door allows for more convenient refilling of the glass liquid from outside the cab.

[0064] The front cover 22 is in the shape of a Chinese numeral 5 on both sides, and the structure with the two sides sunken is beneficial to increase the front observation field of view.

[0065] The structure of the armrest box assembly 4 is as follows Figure 11 、 Figure 12 As shown, the armrest box assembly 4 is fixed on the armrest box of the main frame 7 of the cab, and the armrest box assembly 4 consists of an operating handle 41, a handle mounting transition plate 42, an armrest box front cover 43 covering the front of the armrest box, an armrest box front bracket 44 mounted in front of the armrest box front cover 43, an elbow rest height adjustment knob 45, an elbow rest 46, an armrest box rear bracket 47, a controller mounting frame 48, an armrest box button panel 49, and an armrest box rear cover 410 covering the rear of the armrest box.

[0066] The operating handle 41 is fixedly mounted on the upper end of the armrest box front bracket 44 through a handle mounting transition plate 42. The handle mounting transition plate 42 is made of metal laser cutting and is fixed to the armrest box front bracket 44 by screws, which can effectively enhance the installation strength of the operating handle 41. The opening shape of the handle mounting transition plate 42 can be used to match the installation requirements of different handles to meet configuration changes and save mold investment costs.

[0067] The elbow support 46 is connected to the armrest box body through the threaded locking structure of the elbow support height adjustment knob 45, and the connection of the elbow support 46 is unlocked by rotating the elbow support height adjustment knob 45 to adjust the elbow support height, thereby improving the human-machine operation comfort.

[0068] A maintenance door 411 is provided on the rear cover 410 of the armrest box, near the right door of the cab. A first quick-release latch 412 is mounted on the door. The door 411 is located on the side of the armrest box assembly 4 near the right door and is secured to the rear cover 410 via the first quick-release latch 412, making it easy to open. This allows for direct maintenance of the internal electrical components of the armrest box from outside the door, enhancing the ease of maintenance.

[0069] like Figure 13 As shown, when the operating handle 41 and elbow rest 46 are arranged, the line connecting the positions of the operating handle 41 and the elbow rest 46 forms an angle A1 with the X-axis on the horizontal plane XY, with the angle range being 5 to 15 degrees (preferably 10 degrees for best results). This can increase the right leg accommodation area B1 and improve leg comfort.

[0070] like Figure 14 As shown, the armrest key panel 49 is screwed to the top of the armrest rear cover 410. The armrest rear bracket 47 is screwed to the cab main frame 7. The armrest rear cover 410 covers the armrest rear bracket 47. The surface of the armrest key panel 49 forms an angle A2 with the Y axis in the vertical plane YZ, with the angle range of 10 to 20 degrees (preferably 15 degrees for optimal effect). This reduces the angle between the observation surface and the eye point, improving the viewing comfort of the key icons.

[0071] The armrest box button panel 49 is made of laser-cut aluminum plate, and the number and arrangement of internal button openings can be increased or decreased according to configuration changes.

[0072] The structure of the rear assembly 5 is as follows Figure 15 、 Figure 16 As shown, the rear panel assembly 5 is composed of a rear panel cover 51, a rear panel front cover 52, a rear panel maintenance door 54, and a quick-release lock 53, which are connected to each other by screws and bayonet. The rear panel cover 51 and the rear panel front cover 52 are arranged side by side on the main frame 7 of the cab.

[0073] A rear maintenance door 54 is provided on the side close to the left door of the cab, and a second quick-release lock 53 is installed on the rear maintenance door 54. The rear maintenance door 54 is arranged on the side close to the left door and is fixed to the front cover 52 of the armrest box rear panel through the second quick-release lock 53. It is easy to open and internal electrical maintenance can be carried out directly outside the door, which improves maintenance convenience.

[0074] The beneficial effects of the present invention are:

[0075] (1) The instrument assembly is a split design, and other instruments can be selected or replaced according to configuration requirements.

[0076] (2) The angle of the steering column can be adjusted by the handle, which can effectively improve the operating comfort of the steering column.

[0077] (3) The wiper water bottle cover and the wiper water bottle assembly are arranged on the right side of the front cover, close to the right driver's door, so that the glass liquid can be added outside the cab, which is more convenient.

[0078] (4) The front cover is in the shape of a "F" on both sides, and the structure with the two sides sunken is beneficial to increase the front observation field of view.

[0079] (5) The handle installation transition plate is made of metal laser cutting, which can effectively enhance the installation strength of the operating handle and is fixed to the front bracket of the armrest box by screws. The opening shape of the handle installation transition plate can be used to match the installation requirements of different handles to meet the configuration changes and save mold investment costs.

[0080] (6) The elbow support is connected to the armrest box body through a threaded locking structure of the elbow support height adjustment knob, and the elbow support connection is unlocked by rotating the elbow support height adjustment knob to adjust the height, thereby improving the comfort of human-machine operation.

[0081] (7) The armrest box maintenance door is located on the side of the armrest box assembly near the right door and is fixed to the rear cover of the armrest box by a quick-release lock, making it easy to open. Internal electrical maintenance can be performed directly outside the door, improving the convenience of maintaining the electrical components inside the armrest box.

[0082] (8) The operating handle and the elbow rest are arranged at an angle A1 on the horizontal plane XY and the X axis. This can increase the right leg space and improve leg comfort.

[0083] (9) The armrest box button panel is fixed to the rear cover of the armrest box by screws, and forms an angle A2 with the Y axis in the vertical plane YZ. This can reduce the angle from the observation surface to the eye point and improve the comfort of observing the button icons.

[0084] (10) The armrest box button panel is made of laser-cut aluminum plate, and the number and arrangement of internal button openings can be increased or decreased according to configuration changes.

[0085] (11) The rear enclosure maintenance door is arranged on the left side of the door and is fixed to the front cover of the rear enclosure of the armrest box by a quick-release lock. It is easy to open and the internal electrical appliances can be maintained directly outside the door, which improves the convenience of maintenance.

[0086] The present invention adopts a modular design and can be modularly combined according to different configuration requirements to meet customization needs; it can provide better human-machine operation comfort and vision; and at the same time provide more convenient maintenance.

[0087] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A loader cab interior, characterized in that: It includes a cab main frame (7) and an interior decoration assembly (8) covering the cab main frame (7); The interior assembly (8) includes a pillar assembly (1) located at the front, a front panel assembly (2) covering the front, a floor mat (3) covering the bottom, an armrest box assembly (4) covering the armrest box, a rear panel assembly (5) covering the rear, and a roof assembly (6) covering the top; The column assembly (1), the front enclosure assembly (2), the floor mat (3), the armrest box assembly (4), the rear enclosure assembly (5) and the roof assembly (6) are all fixedly connected to the main frame (7) of the cab, and the column assembly (1) is arranged vertically, and the front enclosure assembly (2), the floor mat (3), the armrest box assembly (4) and the rear enclosure assembly (5) are spliced into a whole; The column assembly (1) includes a steering column assembly (14), an instrument assembly (11) movably assembled in front of the steering column assembly (14), a column upper right cover (12) covering the upper right part of the steering column assembly (14), a column lower right cover (13) covering the lower right part of the steering column assembly (14), a column upper left cover (15) covering the upper left part of the steering column assembly (14), a column button mounting plate (16) fixed to the upper rear part of the steering column assembly (14), a column middle rubber sleeve (17) wrapping the middle section of the steering column assembly (14), and a column lower left cover (18) covering the lower left part of the steering column assembly (14); The instrument assembly (11), the upper right cover of the column (12), the lower right cover of the column (13), the upper left cover of the column (15), and the lower left cover of the column (18) are fixed on the steering column assembly (14); the steering column assembly (14) is fixedly connected to the main frame of the cab (7); the rubber sleeve (17) in the column is fixed by the cover slot structure; the column button mounting plate (16) is connected and fixed to the upper right cover of the column (12) and the upper left cover of the column (15) through the slot; The steering column assembly (14) includes an upper column assembly (141), a steering column adjustment rod (142), a spring (143), a steering column engagement link (144), a lower sleeve (145), a lower column (146), an upper sleeve (147), an adjustment pin (148) and a steering wheel (149); The steering wheel (149) is fixed to the upper column assembly (141), the upper sleeve (147) is fixedly sleeved on the upper column assembly (141), the lower sleeve (145) is fixedly sleeved on the lower column (146), the bottom end of the lower column (146) is fixed to the main frame (7) of the cab, the upper sleeve (147) and the lower sleeve (145) are connected by an adjustment pin (148), the steering column adjustment rod (142) is fixed to the steering column bite link (144), the steering column bite link (144) is fixed to the lower sleeve (145) by a pin, and the steering column bite link (144) and the lower sleeve (145) are connected and tightened by a spring (143); The front panel assembly (2) includes a front panel cover (22), an integrated air duct (21), a wiper water bottle cover (23), and a wiper water bottle (24); The front panel cover (22) covers the main frame (7) of the cab, the integrated air duct (21) is connected to the front panel cover (22), the wiper water bottle (24) is arranged on the lower right side of the front panel cover (22), the wiper water bottle cover (23) is used to seal the wiper water bottle (24), the wiper water bottle (24) is used to contain glass liquid, and the fixed position of the wiper water bottle (24) is close to the right driver's door.

2. The interior trim of a loader cab according to claim 1, characterized in that: The instrument assembly (11) and the steering column assembly (14) are split structures.

3. The interior of a loader cab according to claim 1, characterized in that: The front wall covering piece (22) is in the shape of a Chinese character "F" on both sides.

4. The interior trim of a loader cab according to claim 1, characterized in that: The armrest box assembly (4) includes an operating handle (41), a handle mounting transition plate (42), an armrest box front cover (43) covering the front of the armrest box, an armrest box front bracket (44) mounted in front of the armrest box front cover (43), an elbow rest height adjustment knob (45), an elbow rest (46), an armrest box rear bracket (47), a controller mounting frame (48), an armrest box button panel (49), and an armrest box rear cover (410) covering the rear of the armrest box; The operating handle (41) is fixedly mounted on the upper end of the armrest box front bracket (44) via a handle mounting transition plate (42), and the handle mounting transition plate (42) is fixed to the armrest box front bracket (44); The elbow support (46) is connected to the armrest box via a threaded locking structure of the elbow support height adjustment knob (45); An armrest box maintenance door (411) is provided on the armrest box rear cover (410) near the right door of the cab, and a first quick-release lock (412) is installed on the armrest box maintenance door (411). The armrest box maintenance door (411) is arranged on the armrest box assembly (4) near the right door and is fixed to the armrest box rear cover (410) via the first quick-release lock (412); The armrest box button panel (49) is fixed on the top of the armrest box rear cover (410), the armrest box rear bracket (47) is connected to the cab main frame (7), and the armrest box rear cover (410) covers the armrest box rear bracket (47).

5. The interior trim of a loader cab according to claim 4, characterized in that: The line connecting the positions of the operating handle (41) and the elbow support (46) forms an angle A1 with the X axis in the horizontal plane XY, and the angle range is 5 to 15 degrees.

6. The interior trim of a loader cab according to claim 4, characterized in that: The surface of the armrest box key panel (49) forms an angle A2 with the Y axis in the vertical plane YZ, with an angle range of 10 to 20 degrees.

7. The interior trim of a loader cab according to claim 1, characterized in that: The rear enclosure assembly (5) comprises a rear enclosure rear cover (51), a rear enclosure front cover (52), a rear enclosure maintenance door (54) and a second quick-release lock buckle (53); The rear enclosure rear covering member (51) and the rear enclosure front covering member (52) are arranged side by side and covered on the cab main frame (7); A rear enclosure maintenance door (54) is provided on the side of the rear enclosure maintenance door (54) close to the left door of the cab, and a second quick-release lock buckle (53) is installed on the rear enclosure maintenance door (54). The rear enclosure maintenance door (54) is arranged on the side close to the left door and is fixed to the front cover (52) of the rear enclosure of the armrest box through the second quick-release lock buckle (53).

Images