CN111588155A

CN111588155A - Changeable multi-functional suitcase of volume

Info

Publication number: CN111588155A
Application number: CN202010408648.8A
Authority: CN
Inventors: 张得伟
Original assignee: Individual
Current assignee: WANXINDA (GUANGZHOU) TECHNOLOGY PRODUCT CO LTD
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-08-28
Anticipated expiration: 2040-05-14
Also published as: CN111588155B

Abstract

The invention belongs to the technical field of bags and bags, and particularly relates to a multifunctional luggage case with a variable volume; comprises a box body, a pull rod, a telescopic clamping device and a walking device; the box body comprises a box bottom shell, a box top shell, a folding part and a folding door; the folded shape of the folded part is a wave shape; the folding door is arranged on the front surface of the folding part; a group of walking devices is symmetrically arranged at the back of the box body left and right; the walking device is used for walking the luggage case; the pull rod is arranged at the back of the box body; the box body is bilaterally symmetrically provided with a group of telescopic clamping devices; the telescopic clamping device is used for controlling the box body to expand and contract; the folding part of the suitcase body is stretched or compressed, so that the size change of the suitcase body is realized, the requirements of users on suitcases with different sizes are further met, the size of the suitcase can be reduced as much as possible under the condition that enough storage space is ensured, and the carrying and the consignment of the users are further facilitated.

Description

Changeable multi-functional suitcase of volume

Technical Field

The invention belongs to the technical field of bags and bags, and particularly relates to a multifunctional luggage case with a variable volume.

Background

Luggage, also known as traveling case and trolley case, is a case that is carried when going out for placing articles, which is one type of luggage. Usually, the luggage case is used for placing clothes, personal care products and souvenirs required by the journey.

The size of the luggage case on the market is generally specified as a standard according to the sizes of a carry-on case (carry-on luggage) and a consignment case (carry-out luggage) of an airline company (international air transport association). Therefore, the sizes of the luggage cases on the market are uniform, the luggage cases are selected by users according to personal articles carried when the users go out, if more articles need to be carried, the users can only select larger luggage cases or select a plurality of luggage cases to be carried, or select to reduce the carrying of the personal articles, so that much inconvenience is brought to the travel of the users; the existing luggage case on the market can not meet the requirements of users, the size of the case body can not be adjusted according to the actual use requirements of the users, and particularly, the airline company adopts the specified standard for the sizes of the carry-on case and the consignment case, thereby further increasing inconvenience for the journey.

Disclosure of Invention

In order to make up for the defects of the prior art, the invention provides a multifunctional luggage case with a variable volume. The invention is mainly used for solving the problem that the size of the trunk body of the existing luggage case on the market can not be adjusted according to the actual use requirement of a user.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention provides a multifunctional luggage case with a variable volume, which comprises a case body, a pull rod, a telescopic clamping device and a traveling device, wherein the pull rod is arranged on the case body; wherein,

the box body comprises a box bottom shell, a box top shell, a folding part and a folding door; the upper end of the box bottom shell is connected with the lower end of the folding part; the upper end of the folding part is connected with the lower end of the box top shell; the folded shape of the folded part is a wave shape; the folding door is arranged on the front surface of the folding part; a group of walking devices is symmetrically arranged at the back of the box body left and right; the walking device is used for walking the luggage case; the pull rod is arranged at the back of the box body; the box body is bilaterally symmetrically provided with a group of telescopic clamping devices; the telescopic clamping device is used for controlling the box body to expand and contract.

When the foldable box works, the foldable part is stretched and unfolded through the telescopic clamping device, so that the size of the box body is increased, and the storage space is increased; the folding part is compressed and folded through the telescopic clamping device, so that the size of the box body is reduced, and the storage space is reduced; the size change of the box body is realized by stretching or compressing the folding part of the box body, so that the requirements of users on the luggage cases with different sizes are met; the size of the luggage case can be reduced as much as possible under the condition of ensuring enough storage space, and the carrying and the consignment of users are further facilitated.

Preferably, the telescopic clamping device comprises a first telescopic fixing plate, a second telescopic fixing plate, a first sliding block, a second sliding block, a first gear, a second gear, a first rack, a second rack, a scissor fork mechanism, elastic cloth and a power-off brake motor; the first telescopic fixing plate and the second telescopic fixing plate, the first sliding block and the second sliding block, the first gear and the second gear, and the first rack and the second rack are symmetrically arranged around the scissor mechanism; the first telescopic fixing plate is fixedly connected to the right side of the box top shell; one side of the first telescopic fixing plate, which is close to the box top shell, is provided with a sliding block groove and a rack mounting groove; the first sliding block is connected to one side of the sliding block groove far away from the box body in a sliding mode; the first sliding block is fixedly provided with the power-off brake motor; the first gear is fixedly connected to a rotating shaft of the power-off brake motor; the first gear is meshed with the first rack; the first rack is fixedly connected in the rack mounting groove; the end part of a connecting rod at one end of the scissor mechanism is rotationally connected with a first gear; the end part of the other connecting rod at one end of the scissor mechanism is hinged with the first telescopic fixing plate; the second telescopic fixing plate is fixedly connected to the right side of the box bottom shell; one end of the elastic cloth is fixedly connected to the outer surface of the first telescopic fixing plate; the other end of the elastic cloth is fixedly connected with the outer surface of the second telescopic fixing plate.

When the box body is in work, the first gear is driven to rotate through the rotation of the power-off brake motor, the first gear is meshed with the first rack to do reciprocating linear motion, the shearing fork mechanism is driven to longitudinally extend or compress, one end of the shearing fork mechanism is fixedly connected with the box top shell through the first telescopic fixing plate, the other end of the shearing fork mechanism is fixedly connected with the box bottom shell through the second telescopic fixing plate, the box top shell and the box bottom shell are driven to move, the folding part is driven to expand or compress, and the size of the box body is enlarged or reduced; driving the power-off brake motor and the first sliding block to slide in the sliding block groove; when the power-off brake motor is powered off, the power-off brake motor is directly locked, the power-off brake motor does not rotate any more, and then the fork shearing mechanism does not longitudinally extend or compress any more, so that the box body is locked.

Preferably, the strip-shaped thin plate is covered between the two folds on the outer surface of the folding part.

Through set up the strip sheet metal at folding portion surface, and then can prevent the scratch to the suitcase at the in-process of transportation or walking, can improve the shock resistance of suitcase simultaneously again, and then prevent that the suitcase is interior article damage.

Preferably, the front part of the box body is provided with a door frame which penetrates through the folding part and extends to the top of the box top shell; folding guide grooves are formed in the two sides of the door frame at the folding part; guide grooves are formed in the two sides of the door frame at the top shell of the box; the folding door is connected with the folding guide groove in a sliding way; the bottom of the bottom case is provided with a folding door accommodating groove; the folding door is contracted in the accommodating groove.

When the folding box works, the folding part is stretched and unfolded through the telescopic clamping device, so that the folding guide groove is driven to be unfolded into a straight through groove, and the folding door enters the guide groove along the folding guide groove, so that the box body is closed; the folding door in the top case is tiled inside the guide groove, the folding part is compressed through the telescopic clamping device, and meanwhile, the folding guide groove is driven to fold, so that the folding door in the folding guide groove is folded along with the folding guide groove, the folding door cannot slide in the folding guide groove, the folding door in the top case guide groove cannot slide in the guide groove, and the locking of the folding door is realized; the mode of locking the luggage case does not need to adopt additional locking operation, and only automatically completes the locking of the folding door in the process of contracting the volume of the luggage case body, so the mode of locking the luggage case is simple and convenient to operate; compared with the common password luggage case, the trouble that the password luggage case needs to remember the password is solved.

Preferably, the walking device comprises a connecting plate, a first swing rod, a second swing rod, a supporting plate, a limiting and jacking mechanism, a first rotating wheel, a second rotating wheel, a walking belt, a walking motor, a support and universal wheels; one end of the first swinging rod is hinged with the upper end of the connecting plate; the other end of the first swinging rod is hinged with the upper end of the supporting plate; one end of the second swing rod is hinged with the lower end of the connecting plate; the other end of the second swinging rod is hinged with the middle part of the supporting plate; the first oscillating rod is parallel to the second oscillating rod; the first oscillating rod and the second oscillating rod are locked by the limiting and jacking mechanism; the upper end of the supporting plate is rotatably connected with the first rotating wheel; the lower end of the supporting plate is rotatably connected with the second rotating wheel; the first rotating wheel is connected with the second rotating wheel through a walking belt; the walking motor is fixedly connected to the upper end of the supporting plate; the first rotating wheel is fixedly connected to the rotating shaft of the walking motor; the lower end of the supporting plate is fixedly connected with the bracket; the universal wheel is fixedly connected to the lower end of the support.

Through unlocking the limiting and jacking mechanism, the first oscillating rod rotates around the hinged position of one end of the first oscillating rod and the upper end of the connecting plate, and the second oscillating rod rotates around the hinged position of one end of the second oscillating rod and the lower end of the connecting plate, so that the walking device moves downwards; in the process, a user can lock the limiting and jacking mechanism at any position to realize stepless adjustment of the walking device, so that the height of the box body from the ground can be adjusted; when rainy day, the user risees running gear through the spacing tight mechanism in top of unblock, and then risees the distance on box distance ground, and then the user can carry the suitcase walking, and then the realization is avoided the suitcase to be splashed the spot in rainy day.

Preferably, the limiting and jacking mechanism comprises a first rotating block, a second rotating block, a first ejector rod, a second ejector rod and a rotating shaft; the first rotating block is hinged with the supporting plate; the first rotating block is provided with a first rectangular sliding groove; the first ejector rod is in sliding connection in the first rectangular sliding groove; the second rotating block is hinged with the supporting plate; the second rotating block is provided with a second rectangular sliding groove; the second ejector rod is in sliding connection in the second rectangular sliding groove; the end part of the first ejector rod is rotatably connected with the end part of the second ejector rod through a rotating shaft; the suspended end of the rotating shaft is connected in the waist-shaped groove on the supporting plate in a sliding mode.

The user presses the hinged part of the first ejector rod and the second ejector rod to enable the first ejector rod and the second ejector rod to swing, the first rotating block and the second rotating sliding block are driven to rotate on the supporting leg at the same time, the first ejector rod and the second ejector rod are contacted and tightly push the first oscillating rod and the second oscillating rod, when the first ejector rod and the second ejector rod are positioned on the same straight line, the limiting and tightly-pushing mechanism forms a dead point, the purpose of fixedly locking the walking device is achieved, the walking device can be kept in an adjusted state, and different use requirements of users are concealed; the user leaves a swinging rod and a swinging rod No. two through pulling the hinged position of a first ejector rod and a second ejector rod, and then the end part of the first ejector rod and the end part of the second ejector rod leave the swinging rod No. one and the second swinging rod, so that the unlocking limiting jacking mechanism is reached, and the adjustment of the walking device is realized.

Preferably, one end of the first swing rod, which is close to the support plate, and one end of the second swing rod, which is close to the support plate, are both covered with a rubber layer.

Through being close to backup pad one end at swinging arms one number and No. two swinging arms are close to backup pad one end and set up the rubber layer, the rubber layer is by spacing tight mechanism extrusion deformation in top, and then the rubber layer has antiskid and locking effect, further guarantees running gear and can keep the state after the regulation.

Preferably, the luggage case further comprises a locking device; the locking device comprises a locking support, a buckle and a torsion spring; the lower end of the connecting plate is hinged to one side, close to the pull rod, of the lower end of the box body; the upper end of the right surface of the connecting plate is covered with a layer of shock absorber; the connecting plate is connected with the box body through a locking device; a boss is arranged in the middle of the connecting plate; the boss is provided with an arc-shaped groove; one end of the locking support is fixedly connected with the box body; the other end of the locking support is hinged with the upper end of the buckle; the hinged end of the locking support is provided with a limiting plane; an arc surface is arranged below the hinged end of the locking support; the hinged end of the buckle is provided with a limiting bulge; the limiting bulge is attached to the limiting plane; the limiting protrusion can rotationally slide along the arc surface.

When the walking device needs to be used, a user pushes the buckle, the lower end of the buckle rotates around the hinged part, then the lower end of the buckle slides on the inner surface of the arc-shaped groove, and then the buckle leaves the arc-shaped groove, and then the locking device is unlocked; when a user lifts the luggage box to go upstairs, the walking motor rotates to drive the walking belt to rotate, so that the user can lift the luggage box to go upstairs more comfortably, and the labor and the time are saved; when the walking device is vertical to the box body, the user stands on the connecting plate, and the walking device moves forward to realize riding; when not needing running gear, the user is through rotating running gear, and then the connecting plate is rotatory around articulated department, and then running gear contact promotes the buckle for in the buckle gets into the arc wall, the initial state is got back to the buckle under the effect of power of torsional spring, and then locking device is automatic to be locked, and then need not the manual work and lock, and then running gear locking swiftly makes things convenient for labour saving and time saving.

The upper end of the right surface of the connecting plate is covered with a layer of shock absorber, and when the locking device is automatically locked, the collision between the connecting plate and the box body is reduced through the buffering of the shock absorber; when the walking device is unlocked, a user presses the connecting plate with force, so that the mutual extrusion force between the lower end of the buckle and the arc-shaped groove is reduced, convenience is provided for unlocking the locking device, and manual unlocking is facilitated; make the extrusion force increase of each other between buckle lower extreme and the arc wall through the shock attenuation thing, and then make buckle lower extreme and arc wall contact compacter, further guarantee that running gear can keep the state after the locking.

The invention has the following beneficial effects:

1. according to the invention, the folding part is stretched and unfolded through the telescopic clamping device, so that the size of the box body is increased, and the storage space is increased; the folding part is compressed and folded through the telescopic clamping device, so that the size of the box body is reduced, and the storage space is reduced; the size change of the box body is realized by stretching or compressing the folding part of the box body, so that the requirements of users on the luggage cases with different sizes are met; the size of the luggage case can be reduced as much as possible under the condition of ensuring enough storage space, and the carrying and the consignment of users are further facilitated.

2. According to the invention, a first gear is driven to rotate by rotating a power-off brake motor, the first gear is meshed with a first rack to do reciprocating linear motion to drive a scissor mechanism to longitudinally extend or compress, one end of the scissor mechanism is fixedly connected with a box top shell through a first telescopic fixing plate, the other end of the scissor mechanism is fixedly connected with a box bottom shell through a second telescopic fixing plate, and then the box top shell and the box bottom shell are driven to move to drive a folding part to expand or compress, so that the size of a box body is enlarged or reduced; driving the power-off brake motor and the first sliding block to slide in the sliding block groove; when the power-off brake motor is powered off, the power-off brake motor is directly locked, the power-off brake motor does not rotate any more, and then the fork shearing mechanism does not longitudinally extend or compress any more, so that the box body is locked.

3. When the walking device needs to be used, a user pushes the buckle, the lower end of the buckle rotates around the hinged part, the lower end of the buckle slides on the inner surface of the arc-shaped groove, the buckle leaves the arc-shaped groove, and the locking device is unlocked; when a user lifts the luggage box to go upstairs, the walking motor rotates to drive the walking belt to rotate, so that the user can lift the luggage box to go upstairs more comfortably, and the labor and the time are saved; when not needing running gear, the user is through rotating running gear, and then the connecting plate is rotatory around articulated department, and then running gear contact promotes the buckle for in the buckle gets into the arc wall, the initial state is got back to the buckle under the effect of power of torsional spring, and then locking device is automatic to be locked, and then need not the manual work and lock, and then running gear locking swiftly makes things convenient for labour saving and time saving.

4. According to the invention, the first oscillating rod rotates around the hinged position of one end of the first oscillating rod and the upper end of the connecting plate and the second oscillating rod rotates around the hinged position of one end of the second oscillating rod and the lower end of the connecting plate through the unlocking limiting jacking mechanism, so that the walking device moves downwards; in the process, a user can lock the limiting and jacking mechanism at any position to realize stepless adjustment of the walking device, so that the height of the box body from the ground can be adjusted; when rainy day, the user risees running gear through the spacing tight mechanism in top of unblock, and then risees the distance on box distance ground, and then the user can carry the suitcase walking, and then the realization is avoided the suitcase to be splashed the spot in rainy day.

5. According to the invention, the rubber layer is arranged at one end of the first oscillating rod close to the support plate and one end of the second oscillating rod close to the support plate, and the rubber layer is extruded and deformed by the limiting and jacking mechanism, so that the rubber layer has the anti-skidding and anti-loosening functions, and the walking device can be further ensured to be in an adjusted state.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a schematic view of the overall construction of the luggage case of the present invention;

FIG. 2 is an internal schematic view of the telescopic clamping device of the present invention;

FIG. 3 is a schematic isometric view of the front of the luggage case of the present invention;

FIG. 4 is a side cross-sectional view of the folding door of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a partial enlarged view at B in FIG. 4;

FIG. 7 is an enlarged view of a portion of FIG. 1 at C;

FIG. 8 is an enlarged view of a portion of FIG. 1 at D;

FIG. 9 is a schematic view of the locking device of the present invention;

FIG. 10 is a schematic view showing the internal structure of the locking device of the present invention;

in the figure: the box body 1, a box bottom shell 11, a box top shell 12, a guide groove 121, a folding part 13, a folding guide groove 131, a strip-shaped thin plate (132), a folding door 14, a pull rod 2, a telescopic clamping device 3, a first telescopic fixing plate 31, a slide block groove 311, a rack mounting groove 312, a second telescopic fixing plate 32, a first slide block 33, a second slide block 34, a first gear 35, a second gear 36, a first rack 37, a second rack 38, a scissor mechanism 39, elastic cloth 30, a power-off brake motor 300 and a walking device 4 comprise a connecting plate 41, a boss 411, an arc-shaped groove 412, a shock absorber 413, a first swing rod 42, a second swing rod 43, a supporting plate 44, a rubber layer 441, a limit jacking mechanism 45, a first rotating block 451, a second rotating block 452, a first push rod 453, a second push rod 454, a rotating shaft 455, a first rotating wheel 46, a second rotating wheel 47, a walking belt 400, a walking motor 48, a bracket 49, The universal wheel 40, the locking device 5, the locking support 51, the limiting plane 511, the arc surface 512, the buckle 52, the limiting protrusion 521 and the torsion spring 53.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1, 3, 4, 5 and 6, a multifunctional luggage case with variable volume comprises a case body 1, a pull rod 2, a telescopic clamping device 3 and a walking device 4; wherein,

the box body 1 comprises a box bottom shell 11, a box top shell 12, a folding part 13 and a folding door 14; the upper end of the bottom case 11 is connected with the lower end of the folding part 13; the upper end of the folding part 13 is connected with the lower end of the box top shell 12; the folded shape of the folded part 13 is a wave shape; the folding door 14 is arranged on the front surface of the folding part 13; a group of walking devices 4 are symmetrically arranged at the back of the box body 1; the walking device 4 is used for walking the luggage case; the back of the box body 1 is provided with the pull rod 2; a group of telescopic clamping devices 3 are symmetrically arranged on the left and right of the box body 1; the telescopic clamping device 3 is used for controlling the box body 1 to expand and contract.

When the folding box works, the folding part 13 is stretched and unfolded through the telescopic clamping device 3, so that the size of the box body 1 is increased, and the storage space is increased; the folding part 13 is compressed and folded through the telescopic clamping device 3, so that the size of the box body 1 is reduced, and the storage space is reduced; the size change of the box body 1 is realized by stretching or compressing the folding part 13 of the box body 1, so that the requirements of users on luggage cases with different sizes are met; the size of the luggage case can be reduced as much as possible under the condition of ensuring enough storage space, and the carrying and the consignment of users are further facilitated.

As shown in fig. 1 to 3, the telescopic clamping device 3 includes a first telescopic fixing plate 31, a second telescopic fixing plate 32, a first slider 33, a second slider 34, a first gear 35, a second gear 36, a first rack 37, a second rack 38, a scissor fork mechanism 39, an elastic cloth 30, and a power-off brake motor 300; the first telescopic fixing plate 31 and the second telescopic fixing plate 32, the first sliding block 33 and the second sliding block 34, the first gear 35 and the second gear 36, and the first rack 37 and the second rack 38 are all symmetrically arranged around a scissor mechanism 39; the first telescopic fixing plate 31 is fixedly connected to the right side of the box top shell 12; one side of the first telescopic fixing plate 31, which is close to the box top shell 12, is provided with a slide block slot 311 and a rack mounting slot 312; the first sliding block 33 is connected to one side of the sliding block slot 311 far away from the box body 1 in a sliding mode; the first sliding block 33 is fixedly provided with the power-off brake motor 300; the first gear 35 is fixedly connected to a rotating shaft of the power-off brake motor 300; the first gear 35 is meshed with the first rack 37; the first rack 37 is fixedly connected in the rack mounting groove 312; the end part of a connecting rod at one end of the scissor mechanism 39 is rotationally connected with the first gear 35; the end part of the other connecting rod at one end of the scissor mechanism 39 is hinged with the first telescopic fixing plate 31; the second telescopic fixing plate 32 is fixedly connected to the right side of the bottom case 11; one end of the elastic cloth 30 is fixedly connected to the outer surface of the first telescopic fixing plate 31; the other end of the elastic cloth 30 is fixedly connected to the outer surface of the second telescopic fixing plate 32.

When the box body 1 is in work, the first gear 35 is driven to rotate through rotation of the power-off brake motor 300, the first gear 35 is meshed with the first rack 37 to do reciprocating linear motion, the scissor mechanism 39 is driven to longitudinally extend or compress, one inlet end of the scissor mechanism 39 is fixedly connected with the box top shell 12 through the first telescopic fixing plate 31, the other inlet end of the scissor mechanism 39 is fixedly connected with the box bottom shell 11 through the second telescopic fixing plate 32, the box top shell 12 and the box bottom shell 11 are driven to move, the folding portion 13 is driven to expand or compress, and the size of the box body 1 is enlarged or reduced; driving the power-off brake motor 300 and the first sliding block 33 to slide in the sliding block slot 311; when the power-off brake motor 300 is powered off, the power-off brake motor 300 is directly locked, the power-off brake motor 300 does not rotate any more, and then the scissor mechanism 39 does not longitudinally extend or compress any more, so that the box body 1 is locked.

As shown in fig. 1, 3, 4, 5 and 6, the strip-shaped thin plate 132 is covered between two folds on the outer surface of the folded part 13.

By arranging the strip-shaped thin plates 132 on the outer surface of the folding part 13, the luggage case can be prevented from being scratched in the transportation or walking process, and meanwhile, the shock resistance of the luggage case can be improved, so that the articles in the luggage case can be prevented from being damaged.

As shown in fig. 1, 3, 4, 5 and 6, the front of the box body 1 is provided with a door frame penetrating through the folded part 13 and extending to the top of the box top shell 12; folding guide grooves 131 are formed in the two sides of the doorframe at the folding part 13; guide grooves 121 are formed in the two sides of the door frame at the top case 12; the folding door 14 is slidably connected in the folding guide groove 131 and the guide groove 121; the bottom of the box bottom shell 11 is provided with a folding door 14 accommodating groove; the folding door 14 is retracted in the receiving groove.

When the folding box works, the folding part 13 is stretched and unfolded through the telescopic clamping device 3, so that the folding guide groove 131 is driven to be unfolded into a straight through groove, and the folding door 14 enters the guide groove 121 along the folding guide groove 131, so that the box body 1 is sealed; the folding door 14 in the top case 12 is tiled inside the guide groove 121, the folding part 13 is compressed by the telescopic clamping device 3, and the folding guide groove 131 is driven to fold at the same time, so that the folding door 14 in the folding guide groove 131 is folded along with the folding guide groove 131, the folding door 14 cannot slide in the folding guide groove 131, the folding door 14 in the guide groove 121 of the top case 12 cannot slide in the guide groove 121, and the locking of the folding door 14 is realized; the mode of locking the suitcase does not need to adopt additional locking operation, and only automatically completes the locking of the folding door 14 in the process of contracting the volume of the suitcase body 1, so the mode of locking the suitcase is simple and convenient to operate; compared with the common password luggage case, the trouble that the password luggage case needs to remember the password is solved.

As shown in fig. 1, 3, 4 and 7, the traveling device 4 includes a connecting plate 41, a first swing rod 42, a second swing rod 43, a supporting plate 44, a limit jacking mechanism 45, a first rotating wheel 46, a second rotating wheel 47, a traveling belt 400, a traveling motor 48, a bracket 49, and a universal wheel 40; one end of the first swing rod 42 is hinged with the upper end of the connecting plate 41; the other end of the first swinging rod 42 is hinged with the upper end of the supporting plate 44; one end of the second swing rod 43 is hinged with the lower end of the connecting plate 41; the other end of the second swinging rod 43 is hinged with the middle part of the supporting plate 44; the first swinging rod 42 is parallel to the second swinging rod 43; the first swinging rod 42 and the second swinging rod 43 are locked by the limit jacking mechanism 45; the upper end of the supporting plate 44 is rotatably connected with the first rotating wheel 46; the lower end of the supporting plate 44 is rotatably connected with the second rotating wheel 47; the first rotating wheel 46 is connected with the second rotating wheel 47 through a walking belt 400; the walking motor 48 is fixedly connected to the upper end of the supporting plate 44; the first rotating wheel 46 is fixedly connected to a rotating shaft of the walking motor 48; the lower end of the supporting plate 44 is fixedly connected with the bracket 49; the universal wheel 40 is fixedly connected to the lower end of the bracket 49.

Through unlocking the limiting jacking mechanism 45, the first swinging rod 42 rotates around the hinged position of one end of the first swinging rod 42 and the upper end of the connecting plate 41, the second swinging rod 43 rotates around the hinged position of one end of the second swinging rod 43 and the lower end of the connecting plate 41, and the walking device 4 moves downwards; in the process, a user can lock the limiting and jacking mechanism 45 at any position to realize stepless adjustment of the walking device 4, so that the height of the box body 1 from the ground can be adjusted; when rainy day, the user risees running gear 4 through unblock spacing tight mechanism 45 in top, and then risees the distance of 1 distance ground of box, and then the user can carry the suitcase walking, and then realizes avoiding the suitcase to be splashed the spot in rainy day.

As shown in fig. 1, 3, 4 and 7, the limit abutting mechanism 45 includes a first rotating block 451, a second rotating block 452, a first push rod 453, a second push rod 454 and a rotating shaft 455; the first rotating block 451 is hinged with the supporting plate 44; the first rotating block 451 is provided with a first rectangular sliding groove; the first mandril 453 is in sliding connection with the first rectangular sliding groove; the second rotating block 452 is hinged with the supporting plate 44; the second rotating block 452 is provided with a second rectangular sliding groove; the second ejector rod 454 is in sliding connection in the second rectangular sliding groove; the end part of the first ejector pin 453 is rotatably connected with the end part of the second ejector pin 454 through a rotating shaft 455; the free end of the rotating shaft 455 is slidably coupled within a waist-shaped slot in the support plate 44.

The user presses the hinged part of the first ejector rod 453 and the second ejector rod 454 to enable the first ejector rod 453 and the second ejector rod 454 to swing and drive the first rotating block 451 and the second rotating slider 452 to rotate on the supporting legs, the first ejector rod 453 and the second ejector rod 454 are contacted with and tightly push the first swinging rod 42 and the second swinging rod 43, when the first ejector rod 453 and the second ejector rod 454 are positioned on the same straight line, the limit pushing mechanism 45 forms a dead point, the purpose of fixedly locking the walking device 4 is achieved, the walking device 4 can be kept in an adjusted state, and different use requirements of the user are concealed; the user is through the articulated department of pulling a ejector pin 453 and No. two ejector pins 454, and then an ejector pin 453 tip and No. two ejector pin 454 tip leave swinging arms 42 and No. two swinging arms 43, and then reach spacing tight mechanism 45 in top of unblock, and then realize running gear 4's regulation.

As shown in fig. 7, the end of first swing lever 42 close to support plate 44 and the end of second swing lever 43 close to support plate 44 are both covered with rubber layer 441.

Through setting up rubber layer 441 in swing rod 42 one end near backup pad 44 one end and swing rod 43 one end near backup pad 44, rubber layer 441 is by spacing tight mechanism 45 extrusion deformation in top, and then rubber layer 441 has antiskid and locking effect, further guarantees running gear 4 and can keep the state after the regulation.

As shown in fig. 1, 8, 9 and 10, the luggage case further comprises a locking device 5; the locking device 5 comprises a locking support 51, a buckle 52 and a torsion spring 53; the lower end of the connecting plate 41 is hinged to one side of the lower end of the box body 1 close to the pull rod 2; the upper end of the right surface of the connecting plate 41 is covered with a layer of shock absorber 413; the connecting plate 41 is connected with the box body 1 through a locking device 5; a boss 411 is arranged in the middle of the connecting plate 41; the boss 411 is provided with an arc-shaped slot 412; one end of the locking support 51 is fixedly connected with the box body 1; the other end of the locking support 51 is hinged with the upper end of the buckle 52; the hinged end of the locking support 51 is provided with a limiting plane 511; an arc surface 512 is arranged below the hinged end of the locking support 51; the hinged end of the buckle 52 is provided with a limiting bulge 521; the limiting protrusion 521 is attached to the limiting plane 511; the limiting protrusion 521 can rotate and slide along the arc surface 512.

When the walking device 4 needs to be used, the user pushes the buckle 52, the lower end of the buckle 52 rotates around the hinged part, then the lower end of the buckle 52 slides on the inner surface of the arc-shaped groove 412, then the buckle 52 leaves the arc-shaped groove 412, and then the locking device 5 is unlocked; when a user lifts the suitcase to go upstairs, the walking motor 48 rotates to drive the walking belt 400 to rotate, so that the user can lift the suitcase to go upstairs more comfortably, and the labor and the time are saved; when the walking device 4 is vertical to the box body 1, the user stands on the connecting plate 41, and the walking device 4 moves forward to realize riding; when not needing running gear 4, the user is through rotating running gear 4, and then connecting plate 41 is rotatory around articulated department, and then running gear 4 contacts and promotes buckle 52 for in buckle 52 gets into arc 412, buckle 52 gets back to initial condition under the effect of the power of torsional spring 53, and then locking device 5 is automatic to be locked, and then need not the manual work and lock, and then running gear 4 locks swift convenient labour saving and time saving.

By covering the upper end of the right surface of the connecting plate 41 with a layer of shock absorber 413, when the locking device 5 is automatically locked, the collision between the connecting plate 41 and the box body 1 is relieved through the buffering of the shock absorber 413; when the walking device 4 is unlocked, a user presses the connecting plate 41 with force, so that the mutual extrusion force between the lower end of the buckle 52 and the arc-shaped groove 412 is reduced, convenience is provided for unlocking the locking device 5, and manual unlocking is facilitated; make through bumper shock absorber 413 and buckle 52 lower extreme and arc wall 412 between extrusion force increase of each other, and then make buckle 52 lower extreme and arc wall 412 contact more compactly, further guarantee running gear 4 can keep the state after the locking.

When the box body 1 is in work, the first gear 35 is driven to rotate through rotation of the power-off brake motor 300, the first gear 35 is meshed with the first rack 37 to do reciprocating linear motion, the scissor mechanism 39 is driven to longitudinally extend or compress, one inlet end of the scissor mechanism 39 is fixedly connected with the box top shell 12 through the first telescopic fixing plate 31, the other inlet end of the scissor mechanism 39 is fixedly connected with the box bottom shell 11 through the second telescopic fixing plate 32, the box top shell 12 and the box bottom shell 11 are driven to move, the folding portion 13 is driven to expand or compress, and the size of the box body 1 is enlarged or reduced; thereby realizing the size change of the box body 1; when the power-off brake motor 300 is powered off, the power-off brake motor 300 is directly locked, the power-off brake motor 300 does not rotate, the scissor mechanism 39 does not longitudinally extend or transversely compress any more, the box body 1 is locked, the size of the box body 1 is locked, the requirements of users on luggage cases with different sizes are met, the size of the luggage case can be reduced as much as possible under the condition that enough storage space is ensured, and the carrying and the consignment of the users are facilitated; the folding part 13 is stretched and unfolded through the telescopic clamping device 3, so that the folding guide groove 131 is driven to be unfolded into a straight groove, and the folding door 14 enters the guide groove 121 along the folding guide groove 131, so that the box body 1 is sealed; the folding door 14 in the top case 12 is tiled inside the guide groove 121, the folding part 13 is compressed by the telescopic clamping device 3, and the folding guide groove 131 is driven to fold at the same time, so that the folding door 14 in the folding guide groove 131 is folded along with the folding guide groove 131, the folding door 14 cannot slide in the folding guide groove 131, the folding door 14 in the guide groove 121 of the top case 12 cannot slide in the guide groove 121, and the locking of the folding door 14 is realized; the mode of locking the suitcase does not need to adopt additional locking operation, and only automatically completes the locking of the folding door 14 in the process of contracting the volume of the suitcase body 1, so the mode of locking the suitcase is simple and convenient to operate; through unlocking the limiting jacking mechanism 45, the first swinging rod 42 rotates around the hinged position of one end of the first swinging rod 42 and the upper end of the connecting plate 41, the second swinging rod 43 rotates around the hinged position of one end of the second swinging rod 43 and the lower end of the connecting plate 41, and the walking device 4 moves downwards; in the process, a user can lock the limiting and jacking mechanism 45 at any position to realize stepless adjustment of the walking device 4, so that the height of the box body 1 from the ground can be adjusted; when the walking device 4 needs to be used, the user pushes the buckle 52, the lower end of the buckle 52 rotates around the hinged part, then the lower end of the buckle 52 slides on the inner surface of the arc-shaped groove 412, then the buckle 52 leaves the arc-shaped groove 412, and then the locking device 5 is unlocked; when a user lifts the suitcase to go upstairs, the walking motor 48 rotates to drive the walking belt 400 to rotate, so that the user can lift the suitcase to go upstairs more comfortably, and the labor and the time are saved; when the walking device 4 is vertical to the box body 1, the user stands on the connecting plate 41, and the walking device 4 moves forward to realize riding; when not needing running gear 4, the user is through rotating running gear 4, and then connecting plate 41 is rotatory around articulated department, and then running gear 4 contacts and promotes buckle 52 for in buckle 52 gets into arc 412, buckle 52 gets back to initial condition under the effect of the power of torsional spring 53, and then locking device 5 is automatic to be locked, and then need not the manual work and lock, and then running gear 4 locks swift convenient labour saving and time saving.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a variable multi-functional suitcase of volume which characterized in that: comprises a box body (1), a pull rod (2), a telescopic clamping device (3) and a walking device (4); wherein,

the box body (1) comprises a box bottom shell (11), a box top shell (12), a folding part (13) and a folding door (14); the upper end of the box bottom shell (11) is connected with the lower end of the folding part (13); the upper end of the folding part (13) is connected with the lower end of the box top shell (12); the folded shape of the folded part (13) is wave-shaped; the folding door (14) is arranged on the front surface of the folding part (13); a group of walking devices (4) are symmetrically arranged on the left and right of the back of the box body (1); the walking device (4) is used for walking the luggage case; the back of the box body (1) is provided with the pull rod (2); a group of telescopic clamping devices (3) are symmetrically arranged on the left and right sides of the box body (1); the telescopic clamping device (3) is used for controlling the box body (1) to expand and contract.

2. A multi-functional luggage case with variable volume according to claim 1, characterized in that: the telescopic clamping device (3) comprises a first telescopic fixing plate (31), a second telescopic fixing plate (32), a first sliding block (33), a second sliding block (34), a first gear (35), a second gear (36), a first rack (37), a second rack (38), a scissor fork mechanism (39), elastic cloth (30) and a power-off brake motor (300); the first telescopic fixing plate (31) and the second telescopic fixing plate (32), the first sliding block (33) and the second sliding block (34), the first gear (35) and the second gear (36), and the first rack (37) and the second rack (38) are symmetrically arranged around a scissor mechanism (39); the first telescopic fixing plate (31) is fixedly connected to the right side of the box top shell (12); one side, close to the box top shell (12), of the first telescopic fixing plate (31) is provided with a sliding block groove (311) and a rack mounting groove (312); the first sliding block (33) is connected to one side of the sliding block groove (311) far away from the box body (1) in a sliding mode; the first sliding block (33) is fixedly provided with the power-off brake motor (300); the first gear (35) is fixedly connected to a rotating shaft of the power-off brake motor (300); the first gear (35) is meshed with the first rack (37); the first rack (37) is fixedly connected in the rack mounting groove (312); the end part of a connecting rod at one end of the scissor mechanism (39) is rotationally connected with a first gear (35); the end part of the other connecting rod at one end of the scissor mechanism (39) is hinged with the first telescopic fixing plate (31); the second telescopic fixing plate (32) is fixedly connected to the right side of the bottom case (11); one end of the elastic cloth (30) is fixedly connected to the outer surface of the first telescopic fixing plate (31); the other end of the elastic cloth (30) is fixedly connected with the outer surface of the second telescopic fixing plate (32).

3. A multi-functional luggage case with variable volume according to claim 2, characterized in that: and a strip-shaped thin plate (132) is covered between the two folds on the outer surface of the folding part (13).

4. A multi-functional luggage case with variable volume according to claim 3, characterized in that: the front part of the box body (1) is provided with a door frame which penetrates through the folding part (13) and extends to the top of the box top shell (12); folding guide grooves (131) are formed in the two sides of the doorframe at the folding part (13); guide grooves (121) are formed in the two sides of the door frame at the top case (12); the folding door (14) is connected with the folding guide groove (131) and the guide groove (121) in a sliding way; the bottom of the box bottom shell (11) is provided with a folding door (14) accommodating groove; the folding door (14) is contracted in the accommodating groove.

5. Multifunctional luggage case with variable volume according to claim 4, characterized in that: the walking device (4) comprises a connecting plate (41), a first swing rod (42), a second swing rod (43), a supporting plate (44), a limiting and jacking mechanism (45), a first rotating wheel (46), a second rotating wheel (47), a walking belt (400), a walking motor (48), a support (49) and a universal wheel (40); one end of the first swinging rod (42) is hinged with the upper end of the connecting plate (41); the other end of the first swinging rod (42) is hinged with the upper end of the supporting plate (44); one end of the second swinging rod (43) is hinged with the lower end of the connecting plate (41); the other end of the second swinging rod (43) is hinged with the middle part of the supporting plate (44); the first swinging rod (42) is parallel to the second swinging rod (43); the first swinging rod (42) and the second swinging rod (43) are locked by the limiting and jacking mechanism (45); the upper end of the supporting plate (44) is rotatably connected with the first rotating wheel (46); the lower end of the supporting plate (44) is rotatably connected with the second rotating wheel (47); the first rotating wheel (46) is connected with the second rotating wheel (47) through a walking belt (400); the walking motor (48) is fixedly connected to the upper end of the supporting plate (44); the first rotating wheel (46) is fixedly connected to a rotating shaft of the walking motor (48); the lower end of the supporting plate (44) is fixedly connected with the bracket (49); the universal wheel (40) is fixedly connected to the lower end of the support (49).

6. The multifunctional luggage case with variable volume as claimed in claim 5, wherein: the limiting and jacking mechanism (45) comprises a first rotating block (451), a second rotating block (452), a first push rod (453), a second push rod (454) and a rotating shaft (455); the first rotating block (451) is hinged with the supporting plate (44); the first rotating block (451) is provided with a first rectangular sliding groove; the first ejector rod (453) is connected in the first rectangular sliding groove in a sliding manner; the second rotating block (452) is hinged with the supporting plate (44); the second rotating block (452) is provided with a second rectangular sliding groove; the second ejector rod (454) is connected in the second rectangular sliding groove in a sliding manner; the end part of the first ejector rod (453) is rotationally connected with the end part of the second ejector rod (454) through a rotating shaft (455); the hanging end of the rotating shaft (455) is slidably connected in a waist-shaped groove on the supporting plate (44).

7. The multifunctional luggage case with variable volume of claim 6, wherein: one end of the first swing rod (42) close to the supporting plate (44) and one end of the second swing rod (43) close to the supporting plate (44) are both covered with a rubber layer (441).

8. The multifunctional luggage case with variable volume as claimed in claim 7, wherein: also comprises a locking device (5); the locking device (5) comprises a locking support (51), a buckle (52) and a torsion spring (53); the lower end of the connecting plate (41) is hinged to one side, close to the pull rod (2), of the lower end of the box body (1); the upper end of the right surface of the connecting plate (41) is covered with a layer of shock absorber (413); the connecting plate (41) is connected with the box body (1) through a locking device (5); a boss (411) is arranged in the middle of the connecting plate (41); the boss (411) is provided with an arc-shaped groove (412); one end of the locking support (51) is fixedly connected with the box body (1); the other end of the locking support (51) is hinged with the upper end of the buckle (52); the hinged end of the locking support (51) is provided with a limiting plane (511); an arc surface (512) is arranged below the hinged end of the locking support (51); the hinged end of the buckle (52) is provided with a limiting bulge (521); the limiting bulge (521) is attached to the limiting plane (511); the limiting protrusion (521) can rotationally slide along the arc surface (512).