CN112914217A - Luggage case with freely adjustable size - Google Patents

Luggage case with freely adjustable size Download PDF

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Publication number
CN112914217A
CN112914217A CN202110126052.3A CN202110126052A CN112914217A CN 112914217 A CN112914217 A CN 112914217A CN 202110126052 A CN202110126052 A CN 202110126052A CN 112914217 A CN112914217 A CN 112914217A
Authority
CN
China
Prior art keywords
gear
luggage case
rod
rocker
rotate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110126052.3A
Other languages
Chinese (zh)
Inventor
张高德
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaoyang University
Original Assignee
Shaoyang University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shaoyang University filed Critical Shaoyang University
Priority to CN202110126052.3A priority Critical patent/CN112914217A/en
Publication of CN112914217A publication Critical patent/CN112914217A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45CPURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C7/00Collapsible or extensible purses, luggage, bags or the like
    • A45C7/0018Rigid or semi-rigid luggage
    • A45C7/0022Rigid or semi-rigid luggage comprising an integrated expansion device
    • A45C7/0031Rigid or semi-rigid luggage comprising an integrated expansion device telescopic
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45CPURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00Details; Accessories
    • A45C13/10Arrangement of fasteners
    • A45C13/1023Arrangement of fasteners with elongated profiles fastened by sliders
    • A45C13/103Arrangement of zip-fasteners
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45CPURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C13/00Details; Accessories
    • A45C13/26Special adaptations of handles
    • A45C13/262Special adaptations of handles for wheeled luggage
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45CPURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C5/00Rigid or semi-rigid luggage
    • A45C5/03Suitcases
    • AHUMAN NECESSITIES
    • A45HAND OR TRAVELLING ARTICLES
    • A45CPURSES; LUGGAGE; HAND CARRIED BAGS
    • A45C5/00Rigid or semi-rigid luggage
    • A45C5/14Rigid or semi-rigid luggage with built-in rolling means

Landscapes

  • Purses, Travelling Bags, Baskets, Or Suitcases (AREA)

Abstract

The invention discloses a luggage case with freely adjustable size, which comprises a bottom shell, an outer luggage case, an inner luggage case, a horizontal adjusting mechanism and a vertical adjusting mechanism. The horizontal adjusting mechanism utilizes the horizontal adjusting motor to provide power through a transmission mode of a gear rack, the push rod is pushed forwards through the bidirectional rack, the inner luggage case slides forwards, and the length of the luggage case in the horizontal direction is adjusted. The vertical adjusting mechanism pushes the outer luggage case fixedly mounted on the upper lifting plate upwards through the matching motion mode of the connecting rod mechanism, the threaded rod and the threaded block, so that the height size of the luggage case is improved, and the size in the vertical direction is increased.

Description

Luggage case with freely adjustable size
Technical Field
The invention relates to the field of articles for daily use, in particular to a luggage case with freely adjustable size.
Background
The luggage case is a common article in life, and is widely applied when people go out daily. In the actual use process, due to factors such as the purpose of going out, time, distance, the quantity of articles such as luggage that people carried when going out can have difference, and because the size of the various models of suitcase on the present market is certain, simultaneously in order to avoid unnecessary consumption, people can not purchase the suitcase of all models yet, and this has just caused inconvenience to going out and carrying luggage and article. Therefore, people urgently need a luggage case with freely adjustable size, so that the size of the luggage case can be automatically adjusted according to articles and luggage in a trip, and the luggage case is convenient for the trip. In view of the above problems, the present invention provides a luggage case that can be freely adjusted in size.
Disclosure of Invention
In view of the above technical problems, the present invention provides a size-adjustable luggage, which can freely adjust the length and height of the luggage according to the number and size of articles to be stored, so as to meet the requirements of traveling.
The technical scheme adopted by the invention is as follows: a size-freely-adjustable luggage case comprises a bottom case, an outer luggage case, an inner luggage case, a horizontal adjusting mechanism and a vertical adjusting mechanism. The bottom shell is provided with a lifting handle and a telescopic pull rod, the outer luggage case is provided with an outer zipper, a sliding hole and a sliding groove, the inner luggage case is provided with an inner zipper and a push rod, the horizontal adjusting mechanism comprises a bidirectional rack, and the vertical adjusting mechanism comprises a lifting base and a lifting plate.
The lower end of the outer luggage case is fixedly arranged on the upper lifting plate, the lifting base is fixedly arranged at the bottom end of the bottom shell, the push rod is fixedly connected with the bidirectional rack, and the outer luggage case is slidably arranged on the bottom shell.
Further, the horizontal adjusting mechanism also comprises a horizontal adjusting motor, a transmission shaft support, a driving conical gear, a driven conical gear, a connecting shaft, a driving transmission gear, a rotating circular gear, a half gear, a middle circular gear, a middle transmission gear, a driven conical gear, a connecting column, a fixed rod, a mounting plate and a connecting plate, wherein the transmission shaft support is fixedly mounted on the mounting plate, the transmission shaft is rotatably mounted on the transmission shaft support, one end of the transmission shaft is fixedly mounted with the horizontal adjusting motor, the other end of the transmission shaft is fixedly mounted with the driving conical gear, the connecting shaft is rotatably mounted on the mounting plate, the driven conical gear is fixedly mounted at one end of the connecting shaft, the driving transmission gear is fixedly mounted at the other end of the connecting shaft, the middle transmission gear is rotatably mounted on the mounting plate, and the, spliced pole one end fixed mounting on the mounting panel, other end fixed mounting has the connecting plate, rotation circular gear rotate and install on the connecting plate, half gear fixed mounting on the jackshaft of rotating circular gear, middle circular gear rotate and install on the connecting plate, two-way rack slidable mounting on the jackshaft of middle circular gear, dead lever one end fixed mounting on the mounting panel, other end fixed mounting is in the inside of drain pan.
Further, the vertical adjusting mechanism also comprises a reset spring, a motor fixing seat, a vertical adjusting motor, a threaded rod, a forward thread block, a right rocker, a stabilizer bar, a guide rocker, a guide rotating rod, a reverse thread block, a left rocker and a left rocker, wherein one end of the reset spring is fixedly arranged on the lifting base, the other end of the reset spring is fixedly arranged on the motor fixing seat, the vertical adjusting motor is fixedly arranged on the motor fixing seat, the threaded rod is fixedly arranged on an output shaft of the vertical adjusting motor, one end of the right rocker is rotatably arranged on the lifting base, the other end of the right rocker is rotatably connected with the right rocker, the right rocker is rotatably connected with the upper lifting plate, one end of the guide rocker is rotatably arranged on the lifting base, the other end of the guide rotating rod is rotatably arranged with the guide rotating rod, the other end of the guide rotating rod is, one end of the stabilizing rod is rotatably installed on the right rocker, the other end of the stabilizing rod is rotatably installed on the guide rocker, two ends of the forward thread block are rotatably installed on the guide rotating rod respectively, one end of the left rocker is rotatably installed on the lifting base, the other end of the left rocker is rotatably installed on the left oscillating bar, the left oscillating bar is rotatably installed on the upper lifting plate, and two ends of the reverse thread block are rotatably installed on the left oscillating bar respectively.
Furthermore, the driving bevel gear and the driven bevel gear are installed in a meshed mode, the intermediate transmission gear is installed in a meshed mode with the driving transmission gear and the driven bevel gear respectively, the driven bevel gear and the intermediate bevel gear are fixedly installed on the same shaft, and the half gear and the bidirectional rack gear are installed in a meshed mode.
Furthermore, the fixing rod and the sliding hole are installed in a sliding mode.
Furthermore, the threaded rod is in threaded connection with the forward threaded block and the reverse threaded block.
Furthermore, the right rocker, the right swing rod, the stabilizer bar, the guide rocker, the guide rotating rod, the left rocker and the left swing rod are arranged in a bilateral symmetry manner.
Compared with the prior art, the invention has the beneficial effects that: (1) the size of the luggage case can be adjusted in multiple directions through the horizontal adjusting mechanism and the vertical adjusting mechanism; (2) the horizontal adjusting mechanism is stable and flexibly adjusts the size of the luggage case in the horizontal direction through a gear and rack transmission mode; (3) according to the vertical adjusting mechanism, the size of the suitcase in the vertical direction can be conveniently and quickly adjusted through the matching motion mode of the connecting rod mechanism, the threaded rod and the threaded block.
Drawings
Fig. 1 is a schematic view of the overall structure.
Fig. 2 is a schematic structural diagram of an outer luggage case.
Fig. 3 is a schematic structural view of the vertical adjustment mechanism.
Fig. 4 is a schematic view of the inner luggage case structure.
Fig. 5 and 6 are schematic structural views of the horizontal adjustment mechanism.
Fig. 7 is a schematic view of a bottom case structure.
Reference numerals: 1-a bottom shell; 101-a handle; 102-a telescopic pull rod; 2-outer luggage case; 201-outer zipper; 202-sliding holes; 203-a sliding groove; 3-inner luggage case; 301-inner zipper; 302-a push rod; 4-a horizontal adjustment mechanism; 401-horizontal adjustment motor; 402-a drive shaft; 403-drive shaft support; 404-driving bevel gear; 405-driven bevel gear; 406-a connecting shaft; 407-a drive transfer gear; 408-rotating the circular gear; 409-half gear; 410-middle circular gear; 411-bidirectional rack; 412-intermediate drive gear; 413-driven cylindrical gear; 414-connecting column; 415-fixing the rod; 416-a mounting plate; 417-a connecting plate; 5-a vertical adjustment mechanism; 501-lifting base; 502-a return spring; 503-motor fixing seat; 504-vertical adjustment motor; 505-a threaded rod; 506-positive thread block; 507-right rocker; 508-right swing link; 509-stabilizer bar; 510-a guide rocker; 511-a guiding rotary rod; 512-reverse thread block; 513-left rocker; 514-left swing link; 515-up-down plate.
Detailed Description
The invention will now be further described with reference to specific examples, which are provided by way of illustration and not by way of limitation.
Example (b): the size-adjustable luggage case shown in fig. 1, 2, 3, 4, 5, 6 and 7 comprises a bottom case 1, an outer luggage case 2, an inner luggage case 3, a horizontal adjusting mechanism 4 and a vertical adjusting mechanism 5. The bottom shell 1 is provided with a handle 101 and a telescopic pull rod 102, the outer luggage case 2 is provided with an outer zipper 201, a sliding hole 202 and a sliding groove 203, the inner luggage case 3 is provided with an inner zipper 301 and a push rod 302, the horizontal adjusting mechanism 4 comprises a bidirectional rack 411, and the vertical adjusting mechanism 5 comprises a lifting base 501 and a lifting plate 515. The sliding groove 203 is slidably provided with a telescopic baffle, when the height of the luggage case is adjusted, the outer luggage case 2 rises, and the telescopic baffle extends out of the sliding groove to the top of the outer luggage case 2, so that the outer luggage case 2 forms a closed space.
The lower end of the external luggage case 2 is fixedly arranged on the upper lifting plate 515, the lifting base 501 is fixedly arranged at the bottom end of the bottom shell 1, the push rod 302 is fixedly connected with the bidirectional rack 411, and the external luggage case 2 is slidably arranged with the bottom shell 1. When in use, the whole luggage case can be lifted through the handle 101, and also can be pulled through the telescopic pull rod 102.
The horizontal adjusting mechanism 4 further comprises a horizontal adjusting motor 401, a transmission shaft 402, a transmission shaft support 403, a driving bevel gear 404, a driven bevel gear 405, a connecting shaft 406, a driving transmission gear 407, a rotating circular gear 408, a half gear 409, a middle circular gear 410, a middle transmission gear 412, a driven cylindrical gear 413, a connecting column 414, a fixing rod 415, a mounting plate 416 and a connecting plate 417, wherein the transmission shaft support 403 is fixedly mounted on the mounting plate 416, the transmission shaft 402 is rotatably mounted on the transmission shaft support 403, one end of the transmission shaft 402 is fixedly mounted with the horizontal adjusting motor 401, the other end of the transmission shaft 402 is fixedly mounted with the driving bevel gear 404, the connecting shaft 406 is rotatably mounted on the mounting plate 416, the driven bevel gear 405 is fixedly mounted at one end of the connecting shaft 406, the driving transmission gear 407 is fixedly, driven cylindrical gear 413 rotates and installs on mounting panel 416, spliced pole 414 one end fixed mounting is on mounting panel 416, other end fixed mounting has connecting plate 417, it installs on connecting plate 417 to rotate circular gear 408 rotation, half gear 409 fixed mounting is on the jackshaft of rotating circular gear 408, middle circular gear 410 rotates and installs on connecting plate 417, two-way rack 411 slidable mounting is on the jackshaft of middle circular gear 410, dead lever 415 one end fixed mounting is on mounting panel 416, other end fixed mounting is in the inside of drain pan 1. When the horizontal size of the luggage case is adjusted, the horizontal adjusting motor 401 is started to drive the transmission shaft 402 to rotate, so that the driving bevel gear 404 on the transmission shaft 402 drives the driven bevel gear 405 to rotate, the driving transmission gear 407 connected to the connecting shaft 406 together with the driven bevel gear 405 rotates, the driven cylindrical gear 413 is rotated through the intermediate transmission gear 412, the driven cylindrical gear 413 and the intermediate circular gear 410 are on the same central axis, so that the intermediate circular gear 410 also rotates, the rotating circular gears 408 on both sides of the intermediate circular gear 410 rotate, the half gear 409 fixedly arranged on the central axis of the rotating circular gear 408 rotates and stirs the bidirectional rack 411, the bidirectional rack 411 slides forwards, the inner luggage case 3 is pushed forwards through pushing the push rod 302, the inner luggage case 3 slides out from the sliding groove 203, at the moment, the mounting plate 416 far away from one end of the telescopic pull rod 102 is used as a part of the bottom of the inner luggage case 3, meanwhile, the horizontal length of the luggage case is increased because one end of the inner luggage case 3, which is positioned inside the inner luggage case 2, is not shielded.
The vertical adjusting mechanism 5 further comprises a return spring 502, a motor fixing seat 503, a vertical adjusting motor 504, a threaded rod 505, a forward threaded block 506, a right rocker 507, a right rocker 508, a stabilizing rod 509, a guide rocker 510, a guide rotating rod 511, a reverse threaded block 512, a left rocker 513 and a left rocker 514, one end of the return spring 502 is fixedly arranged on the lifting base 501, the other end is fixedly arranged on the motor fixing seat 503, the vertical adjusting motor 504 is fixedly arranged on the motor fixing seat 503, the threaded rod 505 is fixedly arranged on an output shaft of the vertical adjusting motor 504, one end of the right rocker 507 is rotatably arranged on the lifting base 501, the other end is rotatably connected with the right rocker 508, the right rocker 508 is rotatably connected with the lifting plate 515, one end of the guide rocker 510 is rotatably arranged on the lifting base 501, the other end is rotatably arranged with the guide rotating rod 511, the other end of the guide rotating rod, one end of a stabilizing rod 509 is rotatably arranged on the right rocker 507, the other end of the stabilizing rod is rotatably arranged on a guide rocker 510, two ends of a forward thread block 506 are respectively rotatably arranged on the guide rotating rod 511, one end of a left rocker 513 is rotatably arranged on the lifting base 501, the other end of the left rocker 514 is rotatably arranged, the left rocker 514 is rotatably arranged on the upper lifting plate 515, and two ends of a reverse thread block 512 are respectively rotatably arranged on the left rocker 514. When the size of the luggage case is adjusted in the vertical direction, the vertical adjustment motor 504 is started to drive the threaded rod 505 to rotate, because the internal thread directions of the forward thread block 506 and the reverse thread block 512 which are in threaded connection with the threaded rod 505 are opposite, when the threaded rod 505 rotates, the forward thread block 506 and the reverse thread block 512 move in the same direction, the right rocker 507 and the left rocker 513 rotate towards the middle, the ascending and descending plate 515 rises upwards, the outer luggage case 2 fixedly mounted on the upper ascending and descending plate 515 slides upwards along the inner wall of the bottom shell 1, the sliding hole 202 slides upwards along the fixing rod 415, because the bottom of the outer luggage case 2 is not shielded, when the luggage case is used for storing articles, the bottom of the inner luggage case 3 is shielded, and when the outer luggage case 2 rises upwards, the height of the inner luggage case 3 placed on the mounting plate 416 is not changed, and a distance exists between the mounting plate 416 and the ascending and descending plate 515, therefore, when the upper lifting plate 515 pushes the outer luggage case 2 to ascend, the height between the outer luggage case 2 and the inner luggage case 3 is increased, and meanwhile, rubber sealing rings are arranged around the upper lifting plate 515, so that after the lifting, articles in the luggage case can be effectively prevented from falling between the upper lifting plate 515 and the lifting base 501, at the moment, the inner zipper 301 on the inner luggage case 3 can be opened together with the inner luggage case 3 and the outer luggage case 2, the inner storage space is increased, and the height of the outer luggage case 2 can be adjusted.
The driving bevel gear 404 and the driven bevel gear 405 are installed in a meshed mode, the intermediate transmission gear 412 is installed in a meshed mode with the driving transmission gear 407 and the driven cylindrical gear 413 respectively, the driven cylindrical gear 413 and the intermediate circular gear 410 are fixedly installed on the same shaft, and the half gear 409 and the bidirectional rack 411 are installed in a meshed mode.
The fixing lever 415 is slidably installed with the sliding hole 202.
The threaded rod 505 is in threaded connection with the forward threaded block 506 and the reverse threaded block 512.
The right rocker 507, the right swing link 508, the stabilizer bar 509, the guide rocker 510, the guide rotating link 511, the left rocker 513 and the left swing link 514 are arranged in bilateral symmetry.

Claims (7)

1. The utility model provides a but suitcase of free adjustment size, includes drain pan (1), outer suitcase (2), interior suitcase (3), horizontal adjustment mechanism (4), vertical guiding mechanism (5), its characterized in that: the multifunctional luggage case is characterized in that a handle (101) and a telescopic pull rod (102) are arranged on the bottom case (1), an outer zipper (201), a sliding hole (202) and a sliding groove (203) are arranged on the outer luggage case (2), an inner zipper (301) and a push rod (302) are arranged on the inner luggage case (3), the horizontal adjusting mechanism (4) comprises a bidirectional rack (411), and the vertical adjusting mechanism (5) comprises a lifting base (501) and a lifting plate (515);
the lower end of the outer luggage box (2) is fixedly arranged on the upper lifting plate (515), the lifting base (501) is fixedly arranged at the bottom end of the bottom shell (1), the push rod (302) is fixedly connected with the bidirectional rack (411), and the outer luggage box (2) and the bottom shell 1 are slidably arranged.
2. A freely size-adjustable luggage case as claimed in claim 1, wherein: the horizontal adjusting mechanism (4) further comprises a horizontal adjusting motor (401), a transmission shaft (402), a transmission shaft support (403), a driving conical gear (404), a driven conical gear (405), a connecting shaft (406), a driving transmission gear (407), a rotating circular gear (408), a half gear (409), a middle circular gear (410), a middle transmission gear (412), a driven cylindrical gear (413), a connecting column (414), a fixing rod (415), a mounting plate (416) and a connecting plate (417), wherein the transmission shaft support (403) is fixedly mounted on the mounting plate (416), the transmission shaft (402) is rotatably mounted on the transmission shaft support (403), one end of the transmission shaft (402) is fixedly mounted with the horizontal adjusting motor (401), the other end of the transmission shaft is fixedly mounted with the driving conical gear (404), and the connecting shaft (406) is rotatably mounted on the mounting plate (416), driven bevel gear (405) fixed mounting in the one end of connecting axle (406), initiative drive gear (407) fixed mounting in the other end of connecting axle (406), intermediate drive gear (412) rotate and install on mounting panel 416, driven cylindrical gear (413) rotate and install on mounting panel (416), spliced pole (414) one end fixed mounting on mounting panel (416), other end fixed mounting has connecting plate (417), rotation circular gear (408) rotate and install on connecting plate (417), half gear (409) fixed mounting on the jackshaft of rotation circular gear (408), intermediate circular gear (410) rotate and install on connecting plate (417), two-way rack (411) slidable mounting on the jackshaft of intermediate circular gear (410), dead lever (415) one end fixed mounting on mounting panel (416), the other end is fixedly arranged in the bottom shell (1).
3. A freely size-adjustable luggage case as claimed in claim 1, wherein: the vertical adjusting mechanism (5) further comprises a reset spring (502), a motor fixing seat (503), a vertical adjusting motor (504), a threaded rod (505), a forward threaded block (506), a right rocker (507), a right oscillating bar (508), a stabilizing bar (509), a guiding rocker (510), a guiding rotating rod (511), a reverse threaded block (512), a left rocker (513) and a left oscillating bar (514), wherein one end of the reset spring (502) is fixedly arranged on the lifting base (501), the other end of the reset spring is fixedly arranged on the motor fixing seat (503), the vertical adjusting motor (504) is fixedly arranged on the motor fixing seat (503), the threaded rod (505) is fixedly arranged on an output shaft of the vertical adjusting motor (504), one end of the right rocker (507) is rotatably arranged on the lifting base (501), and the other end of the right rocker (507) is rotatably connected with the right oscillating bar (508), right pendulum rod (508) rotate with rising lifting plate (515) and be connected, direction rocker (510) one end rotate and install on lifting base (501), the other end rotates the installation with direction bull stick (511), direction bull stick (511) other end rotate and install on last lifting plate (515), stabilizer bar (509) one end rotate and install on right rocker (507) the other end rotate and install on direction rocker (510), forward thread piece (506) both ends rotate respectively and install on direction bull stick (511), left rocker (513) one end rotate and install on lifting base 501, the other end rotates and installs on left pendulum rod (514), left pendulum rod (514) rotate and install on last lifting plate (515), reverse thread piece (512) both ends rotate respectively and install on left pendulum rod (514).
4. A freely size-adjustable luggage case as claimed in claim 2, wherein: the driving bevel gear (404) and the driven bevel gear (405) are mounted in a meshed mode, the intermediate transmission gear (412) is mounted in a meshed mode with the driving transmission gear (407) and the driven cylindrical gear (413) respectively, the driven cylindrical gear (413) and the intermediate circular gear (410) are fixedly mounted on the same shaft, and the half gear (409) and the bidirectional rack (411) are mounted in a meshed mode.
5. A freely size-adjustable luggage case as claimed in claim 2, wherein: the fixing rod (415) is installed with the sliding hole (202) in a sliding mode.
6. A freely size-adjustable luggage case according to claim 3, wherein: the threaded rod (505) is in threaded connection with the forward threaded block (506) and the reverse threaded block (512).
7. A freely size-adjustable luggage case according to claim 3, wherein: the right rocker (507), the right swing rod (508), the stabilizing rod (509), the guide rocker (510), the guide rotating rod (511), the left rocker (513) and the left swing rod 514 are arranged in a left-right symmetrical mode.
CN202110126052.3A 2021-01-29 2021-01-29 Luggage case with freely adjustable size Pending CN112914217A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110126052.3A CN112914217A (en) 2021-01-29 2021-01-29 Luggage case with freely adjustable size

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110126052.3A CN112914217A (en) 2021-01-29 2021-01-29 Luggage case with freely adjustable size

Publications (1)

Publication Number Publication Date
CN112914217A true CN112914217A (en) 2021-06-08

Family

ID=76168529

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110126052.3A Pending CN112914217A (en) 2021-01-29 2021-01-29 Luggage case with freely adjustable size

Country Status (1)

Country Link
CN (1) CN112914217A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070158157A1 (en) * 2002-03-06 2007-07-12 Krulik Richard J Expandable luggage with locking expansion mechanism
EP2077080A1 (en) * 2008-01-07 2009-07-08 Tasou Alecos Expanding retractable luggage
CN109330136A (en) * 2018-11-14 2019-02-15 安徽信息工程学院 A kind of luggage case
CN210329660U (en) * 2019-07-11 2020-04-17 青岛农业大学海都学院 But dilatation suitcase

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070158157A1 (en) * 2002-03-06 2007-07-12 Krulik Richard J Expandable luggage with locking expansion mechanism
EP2077080A1 (en) * 2008-01-07 2009-07-08 Tasou Alecos Expanding retractable luggage
CN109330136A (en) * 2018-11-14 2019-02-15 安徽信息工程学院 A kind of luggage case
CN210329660U (en) * 2019-07-11 2020-04-17 青岛农业大学海都学院 But dilatation suitcase

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张长虹等: "基于机械和电信技术的嵌入式可伸缩智能行李箱设计", 《无线互联科技》 *

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Application publication date: 20210608