CN217170549U - Big two expansion car as a house in space - Google Patents

Abstract

The utility model discloses a two expansion car as a house in big space relates to the technical field of sojourn car as a house. The large-space double-expansion caravan comprises an automobile chassis, a carriage, an expansion mechanism, an expansion cabin and a guide sliding assembly, wherein the carriage is installed on the automobile chassis, the expansion mechanism is installed on the inner wall of the carriage, a hatch is arranged on the carriage, the expansion cabin is inserted into the cabin, the expansion cabin is installed on the expansion mechanism, the guide sliding assembly comprises a guide rail and a guide pulley, the guide rail is installed on the inner wall of the carriage, the guide pulley is connected with one side, away from the expansion mechanism, of the expansion cabin, a guide groove is formed in the guide rail, and the guide pulley is abutted to the groove wall of the guide groove. This application is through setting up guide rail and leading pulley, sets up on the guide rail with leading pulley complex guide way, help reducing and expand the cabin and rock, strengthened the stability of car as a house.

Description

Big two expansion car as a house in space

Technical Field

The utility model belongs to the technical field of the technique of sojourn car as a house and specifically relates to a two expansion car as a house in big space is related to.

Background

The motor home is a motor home with living space. People can drive the motor home to travel around, and can use the motor home as a temporary residence, which is very convenient. In order to improve the experience of a user in living in a motor home, some motor homes are provided with expansion mechanisms and expansion cabins, the expansion cabins can expand the internal space of the motor home, the expansion cabins are contracted in a carriage of the motor home when the motor home is driven, and the expansion mechanisms drive the expansion cabins to move and extend out of the carriage when the motor home is occupied, so that the internal space of the motor home can be increased.

In the related technology, the expansion mechanism is generally arranged on an automobile chassis, the expansion cabin is arranged on the expansion mechanism, a hatch is arranged on a carriage of a caravan, the expansion cabin is inserted into the hatch, the expansion mechanism drives the expansion cabin to slide, and the expansion cabin can draw the hatch or slide into the hatch.

However, the inventor thinks that when the expansion mechanism drives the expansion cabin to slide, the top of the expansion cabin is not stable enough and is easy to shake.

SUMMERY OF THE UTILITY MODEL

For the stability of the car as a house of reinforcing, this application provides two expansion cars as a house in big space.

The application provides a two expansion car as a house in big space adopts following technical scheme:

the utility model provides a two expansion recreational vehicles in big space, includes vehicle chassis, carriage, expansion mechanism and expansion cabin, still includes direction slip subassembly, the carriage is installed on vehicle chassis, expansion mechanism installs on the inner wall in carriage, be equipped with the hatch on the carriage, it inserts and locates in the hatch to extend the cabin, it installs on expansion mechanism to extend the cabin, direction slip subassembly includes guide rail and guide pulley, the guide rail is installed on the inner wall in carriage, guide pulley links to each other with one side that expansion cabin kept away from expansion mechanism, be equipped with the guide way on the guide rail, the cell wall butt of guide pulley and guide way.

By adopting the technical scheme, when the expansion mechanism drives the expansion cabin to slide, the guide pulley moves along with the expansion cabin synchronously, and when the guide pulley slides in the guide groove, the groove wall of the guide groove blocks the guide pulley to shake, so that the expansion cabin is prevented from shaking, and the stability of the motor home is enhanced.

Optionally, the guide sliding assembly further comprises a connecting piece, the connecting piece comprises a base block, a supporting block and a connecting bolt, the base block is fixedly connected to the expansion cabin, the supporting block is abutted to the base block, the base block and the supporting block are both provided with connecting screw holes, the connecting bolt is inserted into the connecting screw holes, the connecting bolt is in threaded connection with the hole wall of the connecting screw hole, and the guide pulley is installed on the supporting block.

By adopting the technical scheme, the connecting bolt is used for fixing the supporting block on the base block, and the supporting block is used for installing the guide pulley, so that the guide pulley can be detachably installed on the expansion cabin, and the guide pulley is convenient to install or disassemble.

Optionally, the guide pulley includes a wheel shaft and a guide wheel, the wheel shaft is fixedly connected to the abutting block, a wheel hole is formed in the guide wheel, the wheel shaft penetrates through the wheel hole, the guide groove includes a straight groove and a ridge groove, the straight groove is formed in the side wall of the guide rail facing the abutting block, the ridge groove is formed in the wall of the straight groove, the wheel shaft is inserted into the straight groove, and the guide wheel is inserted into the ridge groove.

Through adopting above-mentioned technical scheme, the shaft is used for installing the leading wheel, and the edge groove helps reducing the leading wheel and slides out the straight flute, further strengthens the stability of car as a house.

Optionally, the guide rail is provided with a mounting groove, the inner wall of the carriage and the wall of the mounting groove are both provided with nail holes, mounting screws penetrate through the nail holes, and the mounting screws are in threaded connection with the wall of the nail holes.

Through adopting above-mentioned technical scheme, the mounting screw can be fixed the guide rail on the carriage, and moreover, the mounting screw is hidden in the mounting groove, helps reducing the screw and scratches the user, and is safer.

Optionally, the expanding mechanism comprises a supporting beam, a rack, a supporting frame, a gear and a driving piece for driving the gear to rotate, the supporting beam is installed on the inner wall of the carriage, the rack is fixedly connected to the supporting beam, the supporting frame is fixedly connected to the expanding cabin, the gear is arranged in the supporting frame, the driving piece is installed on the supporting frame, and the gear is meshed with the rack.

Through adopting above-mentioned technical scheme, driving member drive gear rotates, and gear and driving member can drive the carriage and expand the cabin and slide along a supporting beam to the realization will expand the cabin and slide into the hatch or slide into the hatch.

Optionally, the driving piece includes transmission shaft and motor, be equipped with the shaft hole on the carriage, the transmission shaft is worn to locate in the shaft hole, gear and transmission shaft coaxial coupling, the motor is installed on expanding the cabin, the transmission shaft and the motor shaft coaxial coupling of motor.

By adopting the technical scheme, the motor drives the transmission shaft to rotate, and the transmission shaft can drive the gear to rotate, so that the driving expansion cabin slides.

Optionally, the supporting beam is fixedly connected with a clamping plate, the supporting frame is provided with idler wheels, the number of the idler wheels is at least two, the clamping plate is inserted between the two idler wheels, the idler wheels are abutted against the clamping plate, the supporting frame is provided with a roller, and the roller is abutted against the supporting beam.

Through adopting above-mentioned technical scheme, the gyro wheel slides along the cardboard, and the cylinder slides along a supporting beam, all can reduce the resistance that receives when the carriage slides with expanding the cabin, helps expanding the cabin and slides, and in addition, gyro wheel and cardboard cooperation help reducing the carriage and expanding the cabin and rock.

Optionally, a plurality of supporting plates are arranged on the inner wall of the carriage and the inner wall of the expansion cabin, and the supporting plates on the carriage and the supporting plates on the expansion cabin are arranged in a staggered mode.

Through adopting above-mentioned technical scheme, when expanding the cabin roll-off hatch, there is the space between the inner wall in expansion cabin and carriage, and the support grillage is established above the space, can reduce the article in the carriage and drop in the space.

Optionally, a sealing ring is fixedly connected to the peripheral wall of the hatch.

Through adopting above-mentioned technical scheme, when expanding the cabin shrink in the carriage, the sealing washer can the shutoff expand the gap between cabin and the hatch perisporium, help strengthening the leakproofness of car as a house.

Optionally, the sealing ring is provided with an annular groove, one end of the expansion cabin, which is far away from the guide pulley, is fixedly connected with a side plate, and the side plate is abutted against the groove wall of the annular groove.

Through adopting above-mentioned technical scheme, when expanding the cabin shrink in the carriage, the sideboard inserts in the annular and with the cell wall butt, the leakproofness is better, moreover, can reduce the sideboard and scratch foreign object.

In summary, the present application includes at least one of the following beneficial technical effects:

according to the invention, the guide rail and the guide pulley are arranged, and the guide groove matched with the guide pulley is arranged on the guide rail, so that the shaking of the expansion cabin is reduced, and the stability of the motor home is enhanced;

the guide pulley can be detachably connected to the expansion cabin by arranging the connecting piece;

this application can strengthen the leakproofness of car as a house through setting up sealing washer and sideboard.

Drawings

Fig. 1 is a schematic structural diagram of a large-space double-expansion caravan in the embodiment of the application.

Fig. 2 is a schematic view of the internal structure of the vehicle compartment in the embodiment of the present application.

Fig. 3 is a front view of fig. 2.

Fig. 4 is an enlarged view at a in fig. 3.

Fig. 5 is a partial sectional view taken along line B-B in fig. 3.

Fig. 6 is a partial sectional view taken along line C-C in fig. 3.

Fig. 7 is a schematic structural diagram of a connecting member in the embodiment of the present application.

Fig. 8 is a structural schematic diagram of a carriage and an expansion cabin in the embodiment of the application.

Fig. 9 is a schematic structural diagram of an expansion mechanism in an embodiment of the present application.

Fig. 10 is an enlarged view at D in fig. 9.

Fig. 11 is a schematic structural diagram of an expansion cabin in the embodiment of the application.

Fig. 12 is an enlarged view at E in fig. 11.

Description of reference numerals:

1. an automotive chassis; 2. a carriage; 21. a hatch opening; 211. a seal ring; 2111. a ring groove; 22. nailing holes; 221. mounting screws; 23. a compartment body; 24. a base plate; 3. an expansion mechanism; 31. a support beam; 311. clamping a plate; 32. a rack; 33. a support frame; 331. a shaft hole; 332. a roller; 333. a drum; 34. a gear; 35. a drive member; 351. a drive shaft; 352. a motor; 4. an expansion cabin; 41. a support plate; 42. a side plate; 5. a guide slide assembly; 51. a guide rail; 511. a guide groove; 5111. a straight groove; 5112. a ridge groove; 512. mounting grooves; 52. a guide pulley; 521. a wheel axle; 5211. a round block; 522. a guide wheel; 5221. a wheel hole; 53. a connecting member; 531. a base block; 5311. a connecting screw hole; 532. a resisting block; 533. and connecting the bolts.

Detailed Description

The present application is described in further detail below with reference to figures 1-12.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

The embodiment of the application discloses two expansion recreational vehicles in big space.

Referring to fig. 1, the large-space double-expansion caravan comprises an automobile chassis 1, a carriage 2 and an expansion cabin 4. The carriage 2 is fixedly installed on the automobile chassis 1, hatches 21 are arranged on the left side wall and the rear end wall of the carriage 2, two expansion cabins 4 are provided, one expansion cabin 4 is inserted into the hatch 21 on the left side wall of the carriage 2, and the other expansion cabin 4 is inserted into the hatch 21 on the rear end wall of the carriage 2.

Referring to fig. 2, the car 2 includes a car body 23 and a floor 24, and the floor 24 is welded to an inner wall of the car 2 and installed in the car 2. The hatch 21 is provided on the left side wall and the rear end wall of the vehicle compartment 2, and the hatch 21 is located above the floor panel 24. An expansion mechanism 3 and a guide sliding assembly 5 are arranged in the carriage 2, the expansion mechanism 3 is installed on a bottom plate 24, and an expansion cabin 4 is installed on the expansion mechanism 3. The guide sliding assembly 5 is installed on the inner side wall of the carriage body 23, the guide sliding assembly 5 is located at the top of the carriage body 23, and the guide sliding assembly 5 is connected with the expansion cabin 4.

Referring to fig. 3 and 4, the guide sliding assembly 5 includes a guide rail 51, a guide pulley 52 and a connecting member 53, the guide rail 51 is installed on the inner sidewall of the car body 23, the connecting member 53 is installed on the expansion compartment 4, and the guide pulley 52 is connected to the connecting member 53. A guide groove 511 is provided in a side wall of the guide rail 51 facing the guide pulley 52, the guide pulley 52 is inserted into the guide groove 511, and the guide pulley 52 abuts against a groove wall of the guide groove 511. The guide groove 511 includes a straight groove 5111 and a rib groove 5112, the straight groove 5111 is provided on a side wall of the guide rail 51 facing the guide pulley 52, the rib groove 5112 is provided on a groove wall of the straight groove 5111, and both the rib groove 5112 and the straight groove 5111 extend in a length direction of the guide rail 51. The axle 521 is inserted into the straight groove 5111, the guide wheel 522 is inserted into the ridge groove 5112, and the guide wheel 522 abuts against the groove wall of the ridge groove 5112.

Referring to fig. 4 and 5, an installation groove 512 penetrating through the guide rail 51 is formed in an end wall of the guide rail 51, nail holes 22 are formed in both a groove wall of the installation groove 512 and an inner side wall of the carriage body 23, the nail hole 22 in the groove wall of the installation groove 512 is opposite to the nail hole 22 in the inner side wall of the carriage body 23, an installation screw 221 is inserted into the nail hole 22 in the inner side wall of the carriage body 23, the other end of the installation screw 221 is located in the installation groove 512, and the installation screw 221 is in threaded connection with a hole wall of the nail hole 22.

Referring to fig. 6 and 7, the connecting member 53 includes a base block 531, a abutting block 532 and a connecting bolt 533, the base block 531 is an L-shaped block, the base block 531 is riveted on the expansion cabin 4, the abutting block 532 abuts against a side wall of the base block 531 facing the guide rail 51, both the side wall of the base block 531 facing the guide rail 51 and the abutting block 532 are provided with a connecting screw hole 5311, the connecting bolt 533 is inserted into the connecting screw hole 5311, and the connecting bolt 533 is in threaded connection with a hole wall of the connecting screw hole 5311.

Referring to fig. 6, the guide pulley 52 includes an axle 521 and a guide wheel 522, the axle 521 is welded on the sidewall of the butt 532 facing the guide rail 51; the guide wheel 522 is provided with a wheel hole 5221, the wheel shaft 521 penetrates through the wheel hole 5221, one end, away from the abutting block 532, of the wheel shaft 521 is integrally connected with a round block 5211, and the diameter of the round block 5211 is larger than that of the wheel hole 5221.

Referring to fig. 8, a plurality of support plates 41 are welded on the bottom plate 24 and the inner bottom wall of the expansion cabin 4, the support plates 41 are arranged along the inner bottom wall of the expansion cabin 4 in sequence, and the support plates 41 on the bottom plate 24 and the support plates 41 on the expansion cabin 4 are arranged in a staggered manner.

Referring to fig. 9 and 10, the expanding mechanism 3 includes a support beam 31, a rack 32, a support frame 33, a gear 34, and a driving member 35. The support beam 31 is welded to the upper surface of the bottom plate 24, the rack 32 is integrally connected to the upper surface of the support beam 31, and the longitudinal direction of the rack 32 and the longitudinal direction of the support plate 41 are the same as the longitudinal direction of the support beam 31. The support frame 33 is a U-shaped frame, the support frame 33 is riveted to the outer bottom wall of the expansion compartment 4, and the open end of the support frame 33 faces the support beam 31.

The driving part 35 comprises a transmission shaft 351 and a motor 352, the motor 352 is riveted on the outer bottom wall of the expansion cabin 4, a shaft hole 331 is formed in the side wall of the supporting frame 33, the transmission shaft 351 penetrates through the shaft hole 331 and is abutted against the wall of the shaft, and the transmission shaft 351 is coaxially connected with the motor 352 of the motor 352.

The gear 34 is positioned in the support frame 33, the gear 34 is coaxially connected with the transmission shaft 351, and the gear 34 is meshed with the rack 32.

The rollers 332 are riveted on two opposite inner side walls of the supporting frame 33, the rollers 332 on the inner side walls of each supporting frame 33 are two, and the two rollers 332 on the same side are opposite to each other along the vertical direction. The supporting beam 31 is inserted into the supporting frame 33, the side walls on both sides of the supporting beam 31 are integrally connected with the clamping plates 311, and the length direction of the clamping plates 311 is the same as the length direction of the supporting beam 31. The card 311 is inserted between the two rollers 332 on the same side, and both the two rollers 332 abut against the card 311.

The roller 333 is rotatably connected to the inner wall of the support frame 33, the axial direction of the roller 333 is perpendicular to the longitudinal direction of the support beam 31, and the roller 333 is in contact with the ceiling wall of the support beam 31.

Referring to fig. 11 and 12, the sealing rings 211 are bonded to the peripheral walls of the two hatches 21, the sealing rings 211 in this embodiment are rubber rings, and the sealing rings 211 are provided with ring grooves 2111, and the ring grooves 2111 are circumferentially arranged around the sealing rings 211. An end of the expansion cabin 4 far away from the guide wheel 522 is integrally connected with a side plate 42, and the side plate 42 surrounds a circle along the circumferential direction of the expansion cabin 4.

The expansion cabin 4 is slid into the compartment body 23, the side plate 42 is inserted into the annular groove 2111, and the side plate 42 is abutted against the groove wall of the annular groove 2111.

The implementation principle of the big-space double-expansion recreational vehicle is as follows: the motor 352 is started, the motor 352 drives the transmission shaft 351 to rotate, the transmission shaft 351 drives the gear 34 to rotate, the gear 34 moves along the rack 32, and the support frame 33 of the transmission shaft 351 and the expansion cabin 4 move synchronously along with the gear 34.

The wheel shaft 521 and the guide wheel 522 both move synchronously along with the expansion cabin 4, the guide wheel 522 moves along the groove wall of the ridge groove 5112, and when the expansion cabin 4 extends out of the carriage body 23, the motor 352 is turned off, and the expansion cabin 4 stops moving.

And then the motor 352 is started to rotate reversely, the transmission shaft 351 and the gear 34 both rotate reversely, the expansion cabin 4 slides into the compartment body 23, when the side plate 42 is abutted against the groove wall of the annular groove 2111, the motor 352 is closed, and the expansion cabin 4 completely slides into the compartment body 23.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a two expansion car as a house in big space, includes vehicle chassis (1), carriage (2), expansion mechanism (3) and expansion cabin (4), its characterized in that: still include direction sliding assembly (5), install on vehicle chassis (1) carriage (2), extend mechanism (3) and install on the inner wall in carriage (2), be equipped with hatch (21) on carriage (2), extend cabin (4) and insert and locate in hatch (21), extend cabin (4) and install on extending mechanism (3), direction sliding assembly (5) are including guide rail (51) and leading pulley (52), install on the inner wall in carriage (2) guide rail (51), leading pulley (52) link to each other with one side that extends cabin (4) and keep away from extending mechanism (3), be equipped with guide way (511) on guide rail (51), leading pulley (52) and the cell wall butt of guide way (511).

2. The large-space double-expansion recreational vehicle according to claim 1, characterized in that: the guide sliding assembly (5) further comprises a connecting piece (53), the connecting piece (53) comprises a base block (531), a supporting block (532) and a connecting bolt (533), the base block (531) is fixedly connected to the expansion cabin (4), the supporting block (532) is abutted to the base block (531), the base block (531) and the supporting block (532) are both provided with connecting screw holes (5311), the connecting bolt (533) is inserted into the connecting screw holes (5311), the connecting bolt (533) is in threaded connection with the hole wall of the connecting screw hole (5311), and the guide pulley (52) is installed on the supporting block (532).

3. The large-space double-expansion recreational vehicle as claimed in claim 2, characterized in that: the guide pulley (52) comprises a wheel shaft (521) and a guide wheel (522), the wheel shaft (521) is fixedly connected to the abutting block (532), a wheel hole (5221) is formed in the guide wheel (522), the wheel shaft (521) penetrates through the wheel hole (5221), the guide groove (511) comprises a straight groove (5111) and a ridge groove (5112), the straight groove (5111) is formed in the side wall, facing the abutting block (532), of the guide rail (51), the ridge groove (5112) is formed in the groove wall of the straight groove (5111), the wheel shaft (521) is inserted into the straight groove (5111), and the guide wheel (522) is inserted into the ridge groove (5112).

4. The large-space double-expansion caravan as claimed in claim 1, wherein: be equipped with mounting groove (512) on guide rail (51), all be equipped with nail hole (22) on the inner wall of carriage (2) and the cell wall of mounting groove (512), wear to be equipped with mounting screw (221) in nail hole (22), mounting screw (221) and the pore wall threaded connection in nail hole (22).

5. The large-space double-expansion caravan as claimed in claim 1, wherein: expanding mechanism (3) include supporting beam (31), rack (32), carriage (33), gear (34) and be used for drive gear (34) to rotate driving piece (35), supporting beam (31) are installed on the inner wall of carriage (2), rack (32) fixed connection is on supporting beam (31), carriage (33) fixed connection is on expanding cabin (4), in carriage (33) was located in gear (34), install on carriage (33) driving piece (35), gear (34) and rack (32) meshing.

6. The large-space double-expansion recreational vehicle according to claim 5, characterized in that: the driving part (35) comprises a transmission shaft (351) and a motor (352), a shaft hole (331) is formed in the supporting frame (33), the transmission shaft (351) penetrates through the shaft hole (331), the gear (34) is coaxially connected with the transmission shaft (351), the motor (352) is installed on the expansion cabin (4), and the transmission shaft (351) is coaxially connected with the motor (352) of the motor (352).

7. The large-space double-expansion recreational vehicle according to claim 5, characterized in that: the supporting beam (31) is fixedly connected with clamping plates (311), the supporting frame (33) is provided with idler wheels (332), the number of the idler wheels (332) is at least two, the clamping plates (311) are inserted between the two idler wheels (332), the idler wheels (332) are abutted to the clamping plates (311), the supporting frame (33) is provided with rollers (333), and the rollers (333) are abutted to the supporting beam (31).

8. The large-space double-expansion recreational vehicle according to claim 1, characterized in that: the inner wall of the carriage (2) and the inner wall of the expansion cabin (4) are provided with a plurality of supporting plates (41), and the supporting plates (41) on the carriage (2) and the supporting plates (41) on the expansion cabin (4) are arranged in a staggered mode.

9. The large-space double-expansion recreational vehicle according to claim 1, characterized in that: and a sealing ring (211) is fixedly connected to the peripheral wall of the hatch (21).

10. The large-space double-expansion caravan according to claim 9, wherein: be equipped with annular (2111) on sealing washer (211), extend one end fixedly connected with sideboard (42) of keeping away from leading pulley (52) on cabin (4), sideboard (42) and the cell wall butt of annular (2111).

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