CN112721589A - Luggage compartment door structure for tourism bus - Google Patents

Abstract

The invention discloses a luggage compartment door structure of a tourist coach, wherein four lock bodies are pairwise in a group and are respectively fixedly connected to the upper side and the lower side of the left side edge and the right side edge of the compartment door, two linkages are connected to the compartment door, each linkage is connected with the two lock bodies through two lock pull rods, a compartment door lock simultaneously opens the four lock bodies through linkage of the linkages and the lock pull rods, one end of a translation mechanism is hinged to a vehicle body framework of the tourist coach, and the other end of the translation mechanism is hinged to the compartment door. The invention abandons the traditional framework design, introduces the latest design concept of framework and sheet metal part combination, adopts a four-point locking double-lock box mechanism for locking, adopts a manual translation mechanism and auxiliary lifting of an air spring for opening and closing, and has the advantages of light weight, strong rigidity, stability, convenience for opening and closing, no field limitation, good sealing effect and strong gantry consistency in appearance.

Description

Luggage compartment door structure for tourism bus

The technical field is as follows:

the invention relates to a luggage compartment door structure for tourists.

Background art:

the requirement of the market on the passenger car is higher and higher, in order to meet the requirement of the passenger transport market, particularly for the tourist passenger car, in order to increase the number of passengers, the length of the car body is continuously lengthened, and the higher and more difficult requirement is provided for the design of the luggage compartment of the tourist passenger car.

In the current domestic passenger car industry, glass fiber reinforced plastic doors and aluminum doors are the mainstream of the market, the glass fiber reinforced plastic doors are mainly applied to the front and back walls, and the side doors are basically required to be made of aluminum alloy. The aluminum alloy cabin door has the advantages of small density, corrosion resistance, good flatness, easy processing and good plasticity, and the manufacturing process adopts gluing or argon arc welding. The requirement of the large-scale tourism passenger car on the consistency of the gantry curve of the car body is very high, when the size of the luggage compartment is very large, the thermal stress generated by welding, the size error of installation, the micro deformation caused by opening and closing of the compartment door and the like can cause the luggage compartment to be not tightly attached to the side wall framework, and dust and rainwater can enter the luggage compartment. The luggage compartment with the lengthened size not only requires weight reduction in structural design, but also meets the requirement of strong rigidity of the compartment door, and the stability and the service life of the compartment door are ensured. Meanwhile, the locking of the cabin door with a large size is also a key point of the design of the luggage compartment, and not only is the premise of the sealing of the luggage compartment, but also the consistency of the whole vehicle gantry is guaranteed.

The invention content is as follows:

the invention aims to design a luggage compartment door structure for tourists, which abandons the traditional framework design, introduces the latest design concept of framework and sheet metal part combination, adopts a four-point locking double-lock box mechanism for locking, adopts a manual translation mechanism and an air spring for assisting lifting in an opening and closing mode, and has the advantages of light weight, high rigidity and stability, convenience in opening and closing, no field limitation, good sealing effect and strong gantry consistency in appearance.

The technical scheme adopted by the invention is as follows:

the utility model provides a tourism guest's luggage hatch door structure, includes the lock body, translation mechanism, the clutch, the cabin door lock, hatch door and lock pull rod, four lock bodies are two liang for a set of difference fixed connection respectively the upper and lower side on hatch door left and right sides limit, two clutches are connected on the hatch door, and every clutch links to each other with two lock bodies through two lock pull rods, four lock bodies are opened simultaneously through the linkage of clutch and lock pull rod to the hatch door lock, translation mechanism's one end articulates on tourism guest's automobile body skeleton, one end is articulated mutually with the hatch door.

Further, translation mechanism includes air spring, actuating lever and balancing pole, the one end of air spring articulates on tourist coach's automobile body skeleton, and the other end is articulated mutually with the actuating lever, and the one end of actuating lever articulates on tourist coach's automobile body skeleton, and the other end is articulated mutually with the hatch door, and the one end of balancing pole is fixed on coach's automobile body skeleton, and the other end is articulated mutually with the hatch door.

Furthermore, the driving rod comprises L-shaped rods, hinge rods and connecting rods, the two L-shaped rods are arranged in parallel, the hinge rods and the connecting rods are fixed between the two L-shaped rods, rotating pin shafts are arranged at two ends of each hinge rod, and hinge lugs are arranged at the bottom ends of the L-shaped rods; the balance bar comprises a sub bar, a female bar, a sealing cover, a first spring and a second spring, the sub bar is a solid bar, the female bar is a hollow bar, an inserting portion is arranged at the tail end of the sub bar, the inserting portion is inserted into the female bar, the sealing cover is sleeved on the inserting portion, the sealing cover is in threaded connection with the female bar, a partition plate is connected to the female bar through internal threads, the inserting portion penetrates through the partition plate, the first spring and the second spring are sleeved on the inserting portion, and the first spring and the second spring are respectively arranged on two sides of the partition plate.

Furthermore, the lock body comprises a lock seat, a driving block, a driven block, a lock tongue, a lock plate, sector gears and a torsion spring, wherein the driving block and the driven block are rotatably connected to the lock seat through two rotating shafts; the lock plate is fixedly connected with the driven block, the spring bolt is floatingly supported on the lock plate, a lock groove is formed in the lock seat, the spring bolt seals the lock groove, and the driving block is connected with the lock pull rod.

Furthermore, the bottom surface of the lock tongue is of an inclined surface structure, a guide rod is fixed on the lock tongue and is inserted into the lock plate, a third spring is sleeved on the guide rod, and the lock tongue is supported on the lock plate in a floating mode through the third spring.

Further, the clutch includes mount pad, driven gear, reset torsion spring and uide pin, and two driven gear rotate to be connected on the mount pad, and two driven gear intermeshing, overlap in a driven gear's pivot and establish a reset torsion spring, be equipped with the circular arc guide way on a driven gear, on the uide pin fixed connection mount pad, and the uide pin stretch in the circular arc guide way, two driven gear connect two lock pull rods.

Furthermore, the hatch door lock comprises a door lock shell, driving gears and an air cylinder, wherein the two driving gears are rotatably connected in the door lock shell and are meshed with each other, the air cylinder drives one driving gear to rotate, the two driving gears are connected with two lock pull rods, and the two lock pull rods are connected with a driven gear in the two linkages.

Furthermore, the cabin door comprises a cabin door framework and a skin, the cabin door framework is formed by welding sheet metal parts, and the skin is fixed on the cabin door framework.

Furthermore, mounting hole sites for mounting the lock bodies are reserved on the sheet metal parts on the left side and the right side in the cabin door framework, and aluminum-clad iron reinforcements are arranged at the positions, located at the mounting positions of the linkage device and the cabin door lock, on the cabin door framework.

Furthermore, the covering adopts a 2.5mm aluminum plate, and sealing rings are arranged around the covering.

The invention has the following beneficial effects:

1) the design of the cabin door is made of aluminum alloy materials, and the internal structure adopts the design concept of combining a framework and a formed sheet metal part, so that the rigidity and the strength required by the opening and the closing of the cabin door are ensured, and the aim of reducing the weight of the cabin door is fulfilled;

2) the four-point locking of the compartment door is more reliable compared with two-point locking, and the locking of the luggage compartment is particularly important for the driving safety because a large-scale tourist bus runs at a high speed. Even if one pair of locking mechanisms fails, the four-point locking mechanism still has a little locking effect to enable the cabin door to be in a closed state, so that the driving safety of the passenger car is ensured;

3) the four-point locking structure is matched with reasonable cabin door sealing, so that the cabin door can be more attached to the side wall framework after being locked, and therefore, the dust and rainwater cannot enter the closed cabin door and the consistency of the side profile is effectively guaranteed;

4) the motion structure of hatch door adopts manual translation mechanism and gas spring, not only opens and closes and can easily realize, can also guarantee the passenger train and can normally use in narrow parking area or other places, and this is also the design advantage in large-scale passenger train luggage compartment.

Description of the drawings:

FIG. 1 is a front view of the present invention.

Fig. 2 is a side view of the present invention.

Fig. 3 is an open structure view of the trunk door.

Fig. 4 is a structural view of the translation mechanism of the present invention.

Fig. 5 is a structural view of the stabilizer bar of fig. 4.

Fig. 6 to 9 are structural views of the lock body of the present invention.

Figure 10 is a block diagram of the master in the lock body.

Fig. 11 and 12 are structural views of a clutch according to the present invention.

Figure 13 is a block diagram of the hatch lock of the present invention.

The specific implementation mode is as follows:

the invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 13, the luggage compartment door structure for tourists of the present invention includes a lock body 1, a translation mechanism 2, a linkage 3, a compartment door lock 4, a compartment door 5 and a lock pull rod 6. The four lock bodies 1 are two-two in one group and are respectively fixedly connected to the upper side and the lower side of the left side and the right side of the cabin door 5, the two linkages 3 are fixedly connected to the cabin door 5 in an up-down layered mode, the linkage 3 located on the upper side is connected with the two lock bodies 1 located on the upper side through the two lock pull rods 6, and the linkage 3 located on the lower side is connected with the two lock bodies 1 located on the lower side through the two lock pull rods 6. The cabin door lock 4 is connected with the two linkages 3 through the two lock pull rods 6, the four lock bodies 1 are opened simultaneously through the linkage of the linkages 3 and the lock pull rods 6 by the cabin door lock 4, one end of the translation mechanism 2 is hinged on a vehicle body framework of a tourist coach, and the other end of the translation mechanism is hinged with the cabin door 5.

The translation mechanism 2 comprises a gas spring 21, a driving rod 22 and a balance rod 23, wherein one end of the gas spring 21 is hinged to a body framework of a tourist coach, the other end of the gas spring is hinged to the driving rod 22, one end of the driving rod 22 is hinged to the body framework of the tourist coach, the other end of the driving rod 22 is hinged to the cabin door 5, one end of the balance rod 23 is fixed to the body framework of the tourist coach, and the other end of the balance rod is hinged to the cabin door 5.

The driving rod 22 comprises L-shaped rods 221, hinged rods 222 and connecting rods 223, the two L-shaped rods 221 are arranged in parallel, the hinged rods 222 and the connecting rods 223 are fixed between the two L-shaped rods 221, rotating pin shafts 224 are arranged at two ends of the hinged rods 222, rotating holes are correspondingly formed in the body framework of tourism guests, and the rotating pin shafts 224 extend into the rotating holes to realize the hinging of the driving rod 22 and the body framework. The bottom end of the L-shaped rod 221 is provided with a hinge lug, and the hinge lug at the bottom end of the L-shaped rod 221 is hinged on the cabin door 5.

The balance rod 23 of the present invention is a floating structure capable of extending and contracting, and comprises a sub-rod 231, a main rod 232, a cover 233, a first spring 234 and a second spring 235, wherein the sub-rod 231 is a solid rod, the main rod 232 is a hollow rod, an insertion connection part 2311 is arranged at the end of the sub-rod 231, and the end of the insertion connection part 2311 is a T-shaped structure.

The inserting portion 2311 is inserted into the female rod 232, the cover 233 is sleeved on the inserting portion 2311, the cover 233 is in threaded connection with the female rod 232, and the cover 233 axially positions the inserting portion 2311 in the female rod 232.

A partition plate 2331 is connected to the female rod 232 through an internal thread, the insertion part 2311 penetrates through the partition plate 2331, the insertion part 2311 is sleeved with a first spring 234 and a second spring 235, and the first spring 234 and the second spring 235 are respectively arranged on two sides of the partition plate 2331.

The balancing rod 23 has a fine-tuning (telescopic) and buffering function, and has a small buffering function when the door is opened, so that the gas spring 21 can be better protected. When the door is closed, the air spring can work together to better protect the hatch 5.

When the translation mechanism 2 is installed, firstly, a fixed point of a rotating shaft of the translation mechanism 2 is determined, then, according to the parallelogram rule, a mounting point of the driving rod 22 on the cabin door and fixed points of the balance rod 23 on the driving rod and the cabin door are further determined, and therefore, the shape of the translation mechanism 2 is finally determined.

The ingenious design of the gas spring is related to whether the cabin door can be opened and closed easily. According to the illustration in fig. 3, the left side of the gas spring 21 is fixed with the fixed support in the vehicle, and the right side is locked with the lug hole on the translation mechanism 2, so that when the cabin door is opened, the linkage device 3 is driven to rotate through the action on the cabin door lock 4, and the response is fed back to the left and right 4 lock bodies 1, so that the cabin door is unlocked, and the cabin door can smoothly reach the highest point under the pushing of the translation mechanism, and a passenger can conveniently place and take out luggage. When the compartment door is closed, the luggage compartment can be easily closed and locked through the pull handle 7 and the compartment door lock 4.

The lock body 1 of the invention comprises a lock seat 11, a driving block 12, a driven block 13, a bolt 14, a locking plate 15, a sector gear 16 and a torsion spring. The driving block 12 and the driven block 13 are rotatably connected to the lock base 11 through two rotating shafts, the driving block 12 and the driven block 13 are both fixed with a sector gear 16, the two sector gears 16 are meshed with each other, the rotating shaft of the driving block 12 or the driven block 13 is sleeved with a torsion spring, and the driving block 12 is connected with the lock pull rod 6.

The locking plate 15 is fixedly connected with the driven block 13, the locking plate 15 and the driven block 13 are respectively arranged on two end faces of the locking seat 11, the bolt 14 is floatingly supported on the locking plate 15, the locking seat 11 is provided with a locking groove 110, and the bolt 14 seals the locking groove 110.

The lock slot 110 is a rectangular slot structure, the bottom surface of the lock tongue 14 is a slope structure, and when the lock body 1 moves towards the lock pin 400, the lock tongue 14 is jacked up by the lock pin 400 through the effect of the slope on the lock tongue 14.

A guide rod 141 is fixed on the bolt 14, the guide rod 141 is inserted on the lock plate 15, the guide rod 141 ensures the motion stability of the bolt 14, a third spring is sleeved on the guide rod 141, and the bolt 14 is supported on the lock plate 15 in a floating way through the third spring.

The actuating block 12 includes a first connecting portion 121 and a second connecting portion 122 that are perpendicular to each other and are integrally formed, the first connecting portion 121 is connected to the lock lever 6, and the sector gear 16 is fixedly connected to the second connecting portion 122.

As shown in fig. 6 and 7, when the lock body 1 moves towards the lock pin 400, since the lock bolt 14 strikes against the lock pin 400, the lock pin 400 will provide a reaction force to the lock bolt 14, so that the sector gear 16 on the follower 13 moves clockwise, in order to avoid that the sector gear 16 on the follower 13 moves too much, and the lock bolt 14 cannot be bounced, the lock seat 11 is provided with the limit pin 111, and the follower 13 is correspondingly provided with the circular arc groove 130, the limit pin 111 extends into the circular arc groove 130, and the circular arc groove 130 is used for limiting the stroke of the follower 13 on one hand, and for guiding the motion on the other hand, so as to ensure the motion stability of the whole lock body.

As shown in fig. 6 and 7, the latch tongue 14 closes the latch groove 110 when the latch body 1 is in the closed state, that is, the hatch 5 is latched to the body frame or the hatch 5 is in the open state by the latch body 1.

As shown in fig. 8, when the lock body 1 needs to be unlocked, the first connecting portion 121 in the active block 12 is pulled through the lock pull rod 6, at this time, the active block 12 rotates clockwise, and drives the lock tongue 14 to move together, at this time, the lock tongue 14 opens the lock slot 110, and the lock body 1 can be detached from the lock pin 400 fixed on the car body frame.

When the hatch 5 is closed and the lock body 1 moves towards the lock pin 400, the lock tongue 14 is jacked up by the lock pin 400 through the action of the inclined surface on the lock tongue 14, and as the hatch 5 is continuously closed, the lock pin 400 is separated from the lock tongue 14 and completely enters the lock groove 110.

The lock tongue 14 adopts an elastic structure, so that the size of the lock groove 110 can be reduced, the size of the lock pin 400 can be matched when the lock groove 110 is locked, and the phenomenon that the size of the lock groove 110 is too large, so that the whole lock body 1 shakes to shake the cabin door 5 is avoided.

The linkage device 3 comprises an installation seat 31, driven gears 32, a reset torsion spring 33 and guide pins 34, wherein the two driven gears 32 are rotatably connected to the installation seat 31, the two driven gears 32 are meshed with each other, the reset torsion spring 33 is sleeved on a rotating shaft of one driven gear 32, an arc guide groove is formed in one driven gear 32, the guide pins 34 are fixedly connected to the installation seat 31, the guide pins 34 extend into the arc guide grooves, and the two driven gears 32 are connected with two lock pull rods 6. Two lock pull rods 6 are correspondingly connected with the two lock bodies.

The cabin door lock 4 comprises a door lock shell 41, driving gears 42 and cylinders 43, the two driving gears 42 are rotatably connected in the door lock shell 41, the two driving gears 42 are mutually meshed, the cylinders 43 drive one driving gear 42 to rotate, the two driving gears 42 are connected with two lock pull rods 6, and the two lock pull rods 6 are connected with one driven gear 32 in the two linkages 3.

When the four-lock-body linkage device is used, an in-car switch is turned on, a cylinder shaft of the cylinder 43 moves to drive the driving gear 42 to rotate, and the driving gear 42 is linked through the lock pull rod 6 and the linkage device 3 to open the four lock bodies.

The door 5 comprises a door framework 51 and a skin 52, the door framework 51 is formed by welding sheet metal parts, and the skin 52 is fixed on the door framework 51. The covering 11 is made of 2.5mm aluminum plates, and sealing rings are arranged on the periphery of the covering 11. The skin 11 is formed by pressing according to a process backup plate made of a gantry curve, so that the radian consistency of all the doors is ensured.

Mounting hole sites for mounting the lock body 1 are reserved on sheet metal parts on the left side and the right side in the cabin door framework 51, and aluminum-clad iron reinforcements are arranged on the cabin door framework 51 at the mounting positions of the linkage device 3 and the cabin door lock 4.

In order to open the cabin door 5, a handle 7 is arranged on the cabin door 5, and an aluminum-clad iron reinforcement is arranged at the installation position of the handle and used for improving local rigidity.

The hatch door 5 of the invention is formed by pressing an arc backup plate manufactured according to a gantry by adopting an aluminum plate with the thickness of 2.5 mm. The periphery and the middle part adopt formed sheet metal parts, and mounting holes of the lock body are reserved on the formed sheet metal parts on the two sides in advance and are checked and determined.

The cabin door lock 4, the handle 7 and the linkage 3 are provided with local reinforcements between the cabin door panel and the sheet metal part. 4 lock bodies, 2 linkages, 1 cabin door lock and a handle are arranged on the cabin door. The left lock body and the right lock body are installed on the formed sheet metal parts on two sides of the cabin door, and the sheet metal parts are provided with the circular holes with the phi 90 degrees, so that the lock bodies are convenient to install, replace and overhaul. The clutch can be installed through a rectangular square hole in a sheet metal part, and the left lock body and the right lock body are connected with the cabin door lock through the lock pull rod 6, so that the effect of locking the cabin door by the lock handle is realized. When the compartment door is closed, the compartment door is tightly attached to the sealing piece on the sealing spigot through the locking action, and dust and rainwater cannot enter the luggage compartment. The design spirit of the translation type luggage compartment lies in the design of the translation mechanism and the gas spring, which directly determines whether the luggage compartment is reasonably designed. According to the parallelogram rule, firstly, fixing points of a rotating shaft of the translation mechanism are determined, then fixing points of the bent arm on the cabin door are determined, and fixing points of the balance rod in the automobile and the cabin door are determined respectively, so that the shape of the translation mechanism assembly is finally determined. The gas spring is connected with the bent arm through the fixed bracket in the vehicle, so that the luggage compartment can be opened and closed easily in an effective space.

The foregoing is only a preferred embodiment of this invention and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the invention and these modifications should also be considered as the protection scope of the invention.

Claims (10)

1. The utility model provides a tourism visitor's luggage compartment door structure which characterized in that: including lock body (1), translation mechanism (2), clutch (3), cabin door lock (4), hatch door (5) and lock pull rod (6), four lock bodies (1) are two liang for a set of respectively fixed connection in the upper and lower side on hatch door (5) left and right sides limit, two clutch (3) are connected on hatch door (5), and every clutch (3) link to each other with two lock bodies (1) through two lock pull rods (6), four lock bodies (1) are opened simultaneously in linkage through clutch (3) and lock pull rod (6) in cabin door lock (4), the one end of translation mechanism (2) articulates on tourist coach's automobile body skeleton, one end is articulated mutually with hatch door (5).

2. The luggage door structure of tourist coach as claimed in claim 1, wherein: translation mechanism (2) include air spring (21), actuating lever (22) and stabilizer bar (23), the one end of air spring (21) articulates on tourist coach's automobile body skeleton, and the other end is articulated mutually with actuating lever (22), and the one end of actuating lever (22) articulates on tourist coach's automobile body skeleton, and the other end is articulated mutually with hatch door (5), and the one end of stabilizer bar (23) is fixed on coach's automobile body skeleton, and the other end is articulated mutually with hatch door (5).

3. The luggage door structure of tourist coach as claimed in claim 2, wherein: the driving rod (22) comprises L-shaped rods (221), hinge rods (222) and connecting rods (223), the two L-shaped rods (221) are arranged in parallel, the hinge rods (222) and the connecting rods (223) are fixed between the two L-shaped rods (221), rotating pin shafts (224) are arranged at two ends of each hinge rod (222), and hinge lugs are arranged at the bottom ends of the L-shaped rods (221);

the balance rod (23) comprises a sub rod (231), a main rod (232), a sealing cover (233), a first spring (234) and a second spring (235), the sub rod (231) is a solid rod, the main rod (232) is a hollow rod, an insertion part (2311) is arranged at the tail end of the sub rod (231), the insertion part (2311) is inserted into the main rod (232), the sealing cover (233) is sleeved on the insertion part (2311), the sealing cover (233) is in threaded connection with the main rod (232), a partition plate (2331) is in threaded connection with the main rod (232), the insertion part (2311) penetrates through the partition plate (2331), the first spring (234) and the second spring (235) are sleeved on the insertion part (2311), and the first spring (234) and the second spring (235) are respectively arranged on two sides of the partition plate (2331).

4. The luggage door structure of tourist coach as claimed in claim 1, wherein: the lock body (1) comprises a lock seat (11), a driving block (12), a driven block (13), a bolt (14), a locking plate (15), sector gears (16) and a torsion spring, wherein the driving block (12) and the driven block (13) are rotatably connected to the lock seat (11) through two rotating shafts, the sector gears (16) are fixed on the driving block (12) and the driven block (13), the two sector gears (16) are meshed with each other, and the torsion spring is sleeved on the rotating shaft of the driving block (12) or the driven block (13); the lock plate (15) is fixedly connected with the driven block (13), the bolt (14) is floatingly supported on the lock plate (15), a lock groove (110) is arranged on the lock seat (11), the bolt (14) seals the lock groove (110), and the driving block (12) is connected with the lock pull rod (6).

5. The baggage hatch door structure for tourist coach according to claim 4, wherein: the bottom surface of the bolt (14) is of an inclined surface structure, a guide rod (141) is fixed on the bolt (14), the guide rod (141) is inserted into the lock plate (15), a third spring is sleeved on the guide rod (141), and the bolt (14) is supported on the lock plate (15) in a floating mode through the third spring.

6. The luggage door structure of tourist coach as claimed in claim 1, wherein: linkage ware (3) are including mount pad (31), driven gear (32), reset torsion spring (33) and uide pin (34), and two driven gear (32) rotate to be connected on mount pad (31), and two driven gear (32) intermeshing, overlaps in the pivot of a driven gear (32) and establishes one reset torsion spring (33), is equipped with the circular arc guide way on a driven gear (32), on uide pin (34) fixed connection mount pad (31), and uide pin (34) stretch in the circular arc guide way, two lock pull rod (6) are connected to two driven gear (32).

7. The baggage hatch door structure for tourist coach according to claim 6, wherein: the cabin door lock (4) comprises a door lock shell (41), driving gears (42) and an air cylinder (43), the two driving gears (42) are rotatably connected in the door lock shell (41), the two driving gears (42) are mutually meshed, the air cylinder (43) drives one driving gear (42) to rotate, the two driving gears (42) are connected with two locking pull rods (6), and the two locking pull rods (6) are connected with a driven gear (32) in the two linkages (3).

8. The luggage door structure of tourist coach as claimed in claim 1, wherein: the cabin door (5) comprises a cabin door framework (51) and a skin (52), the cabin door framework (51) is formed by welding sheet metal parts, and the skin (52) is fixed on the cabin door framework (51).

9. The baggage hatch door structure for tourist coach according to claim 8, wherein: mounting hole sites for mounting the lock body (1) are reserved on sheet metal parts on the left side and the right side in the cabin door framework (51), and aluminum-clad iron reinforcements are arranged at mounting positions of the cabin door framework (51) located on the linkage device (3) and the cabin door lock (4).

10. The baggage hatch door structure for tourist coach according to claim 8, wherein: the covering (11) adopts a 2.5mm aluminum plate, and sealing rings are arranged around the covering (11).

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