CN213785822U

CN213785822U - Cat ladder formula suitcase

Info

Publication number: CN213785822U
Application number: CN202023200604.0U
Authority: CN
Inventors: 郑峰; 邓末芝; 朱义硕; 李卓越; 牛礼民
Original assignee: Anhui University of Technology AHUT
Current assignee: Anhui University of Technology AHUT
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-07-27
Anticipated expiration: 2030-12-25

Abstract

The utility model discloses a cat ladder formula suitcase belongs to suitcase technical field. The utility model discloses a cat ladder formula suitcase, install in the triangular wheel of box both sides bottom including box, scalable pull rod and the symmetry of installing on the box, the triangular wheel includes the installation shell that links to each other with the box is fixed and along the three linking arm of installation shell circumference annular distribution, and wherein the gyro wheel is installed to the one end of linking arm, and its other end passes the installation shell to rotate with the inside carousel of installation shell through the push rod and link to each other, the carousel links to each other with rotation actuating mechanism. Adopt the technical scheme of the utility model convenient to use person carries out the cat ladder, helps saving physical power, and can satisfy the user demand of co-altitude stair.

Description

Cat ladder formula suitcase

Technical Field

The utility model belongs to the technical field of the suitcase, more specifically say, relate to a cat ladder formula suitcase.

Background

The luggage case, also called a traveling case and a trolley case, is a case which is carried by people when people go out daily and is used for placing articles, can load a certain amount of articles according to actual needs, can be easily pulled (pushed) by small rollers arranged at the lower part of the case body, and generally consists of three parts, namely a trolley, the case body and the rollers. However, in the traveling process, the user inevitably encounters steps, stairs and other road sections which are inconvenient for the trunk to walk on, and usually people lift the trunk to cross the road sections by the strength of the human body, so that the problems of falling due to unstable gravity center caused by insufficient strength, easy fatigue of people, damage to the trunk and the like exist.

The suitcase that can climb stair has appeared in the market at present, and common suitcase that can climb stair mainly takes turns into the suitcase of gyro wheel, the crawler-type suitcase of adjustable pull rod angle and the electronic suitcase of intelligence for the rotation that has three annular setting, and wherein current suitcase structure that contains the rotation wheel that three annular set up and become the gyro wheel is comparatively simple, but its cat ladder demand that can't adapt to different height stairs.

For example, chinese patent application No. 201420278460.6 discloses a multi-functional cat ladder suitcase, including box and case lid, still including setting up in the collapsible hand lever at the box back and setting up in the cat ladder device of bottom half, be fixed with the seat board on the collapsible hand lever middle section, the box includes box backplate, box upper strata, box lower floor, wardrobe cloth, scalable bracing piece, and this suitcase except the function of loading luggage that case itself has, when meetting the place that has stair, the cat ladder device that sets up on the box can let go up stair as if carrying the level land, directly pulls away. However, the ladder stand device of the present application directly uses two sets of ladder stand devices including three annularly arranged rotating wheels to realize the function of ladder stand, and the ladder stand device can not meet the ladder stand requirements of stairs with different heights.

SUMMERY OF THE UTILITY MODEL

1. Problems to be solved

The utility model aims to solve the problem that the existing luggage case cannot be used for climbing a ladder and needs to be manually moved up and down stairs, and a ladder type luggage case is provided. Adopt the technical scheme of the utility model convenient to use person carries out the cat ladder, helps saving physical power, and can satisfy the user demand of co-altitude stair.

2. Technical scheme

In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:

the utility model discloses a cat ladder formula suitcase, install in the triangular wheel of box both sides bottom including box, scalable pull rod and the symmetry of installing on the box, the triangular wheel includes the installation shell that links to each other with the box is fixed and along the three linking arm of installation shell circumference annular distribution, and wherein the gyro wheel is installed to the one end of linking arm, and its other end passes the installation shell to rotate with the inside carousel of installation shell through the push rod and link to each other, the carousel links to each other with rotation actuating mechanism.

Furthermore, the rotation driving mechanism comprises a worm and a worm wheel, wherein the worm wheel is fixedly connected with the turntable through a rotating shaft, one end of the worm is meshed with the worm wheel, and the other end of the worm penetrates through the box body and is positioned outside the box body.

Furthermore, one end of the worm, which is positioned outside the box body, is provided with an adjusting knob.

Furthermore, one end of the push rod is fixedly connected with the connecting arm, and the other end of the push rod is rotatably arranged on the turntable.

Furthermore, the installation shell is composed of an installation box and a cover body covering the installation box, and a through hole for the connecting arm to pass through is processed in the installation shell.

Furthermore, the bottom of the box body is also provided with crawler wheels.

Furthermore, the crawler wheels are symmetrically arranged on two sides of the connecting plate, one end of the connecting plate is rotatably connected with the lug plate at the bottom of the box body, and the other end of the connecting plate is connected with the height adjusting mechanism.

Furthermore, the height adjusting mechanism comprises a telescopic push plate and a screw rod, the screw rod is installed on the first fixing plate and the second fixing plate at the bottom of the box body in a threaded mode, a sleeve is arranged at one end of the screw rod in a threaded mode, and the connecting plate is connected with the sleeve in a rotating mode through the telescopic push plate.

Furthermore, the sleeve comprises a sleeve nut and a connecting frame which are fixedly connected, the sleeve nut is in threaded connection with the screw rod, and the telescopic push plate is rotationally connected with the connecting frame.

3. Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a cat ladder formula suitcase through at box both sides bottom installation triangle wheel to can carry out the cat ladder operation, solved original suitcase and needed the manual work to move stair about, problem that wastes time and energy, simultaneously the utility model discloses a rotation actuating mechanism's setting drive carousel rotates, thereby drives linking arm and gyro wheel and stretch out and draw back the regulation, consequently can satisfy the cat ladder demand of co-altitude stair according to the installation diameter of the altitude mixture control gyro wheel of stair.

(2) The utility model discloses a cat ladder formula suitcase, rotation actuating mechanism include worm and worm wheel, rotate the worm, can drive the worm wheel and rotate to realize the regulation of gyro wheel installation diameter, operate comparatively simply. In addition, adopt worm gear drive structure can also realize self-locking function to guarantee the steadiness of cat ladder in-process gyro wheel installation.

(3) The utility model discloses a cat ladder formula suitcase, the bottom of box still is equipped with the athey wheel, can realize the change of cat ladder mode through the setting of athey wheel, then can start the athey wheel when the triangle wheel breaks down and realize the cat ladder.

(4) The utility model discloses a cat ladder formula suitcase, the athey wheel links to each other with high adjustment mechanism, can adjust the mounting height of athey wheel through high adjustment mechanism to realize the cat ladder requirement of co-altitude stair, just the utility model discloses a high adjustment mechanism structure and operation are all comparatively simple, only need rotate the screw rod and can realize the altitude mixture control.

Drawings

Fig. 1 is a schematic view (one) of the overall structure of a ladder-type luggage case of the present invention;

fig. 2 is a schematic view (ii) of the overall structure of the ladder-type luggage case of the present invention;

fig. 3 is a schematic structural view of the height adjusting mechanism of the present invention;

fig. 4 is a schematic view of the overall structure of the triangular wheel of the present invention;

fig. 5 is a schematic view (one) of the disassembled structure of the triangular wheel of the present invention;

fig. 6 is a schematic view (ii) of the disassembly structure of the triangular wheel of the present invention.

In the figure: 1. a box body; 101. an ear plate; 2. a pull rod; 3. a triangular wheel; 301. installing a box; 302. a cover body; 303. a connecting arm; 304. a roller; 305. a worm; 306. a fixed shaft; 307. a worm gear; 308. a turntable; 309. a push rod; 310. a rotating shaft; 4. a crawler wheel; 5. a connecting plate; 6. a telescopic push plate; 7. a screw; 8. a first fixing plate; 9. a sleeve; 901. a sleeve nut; 902. a connecting frame; 903. and a second fixing plate.

Detailed Description

The present invention will be further described with reference to the following specific embodiments.

Example 1

As shown in fig. 1 and 2, the ladder type luggage case of this embodiment includes a case body 1, a pull rod 2 telescopically mounted on the case body 1, and triangular wheels 3 symmetrically mounted at bottoms of two sides of the case body 1, and with reference to fig. 4 to 6, the triangular wheels 3 include a mounting shell fixedly connected to the case body 1 and three connecting arms 303 annularly distributed along a circumferential direction of the mounting shell, wherein one end of each connecting arm 303 is provided with a roller 304, and the other end of each connecting arm passes through the mounting shell and is rotatably connected to a turntable 308 inside the mounting shell through a push rod 309 (one end of the push rod 309 is fixedly connected to the connecting arm 303, and the other end of the push rod 309 is rotatably mounted on the turntable 308), and the turntable 308 is connected to a. To the unable cat ladder operation of carrying on of traditional suitcase, need the people for moving upstairs and downstairs to lead to the problem of wasting time and energy, this embodiment is through two triangle wheels 3 of symmetry installation in 1 bilateral bottom of box, thereby convenient to use person's pulling suitcase directly carries out the cat ladder, has saved physical power and time. Simultaneously, this embodiment is further optimized the structure of triangle wheel 3, and drive turntable 308 rotates through rotating actuating mechanism's setting to drive push rod 309 and take place to rotate, realize linking arm 303 and gyro wheel 304's concertina movement, can adjust the installation diameter of gyro wheel 304 as required, with the cat ladder demand that satisfies not co-altitude stair.

Specifically, as shown in fig. 5 and fig. 6, the rotation driving mechanism of the present embodiment includes a worm 305 and a worm wheel 307, wherein the worm wheel 307 is fixedly connected to the turntable 308 through a rotating shaft 310, one end of the worm 305 is engaged with the worm wheel 307, the other end of the worm 305 penetrates through the case 1 and is located outside the case, and an adjusting knob is disposed at one end of the worm 305 located outside the case. When the installation diameter of the roller needs to be adjusted, the adjusting knob is rotated, so that the worm 305 drives the worm wheel 307 to drive the turntable 308 to rotate, and further drives the push rod 309 to rotate relative to the turntable 308, thereby adjusting the installation diameter of the roller 304. Adopt this kind of drive structure, structure and easy operation on the one hand, on the other hand can also realize self-locking function, prevents that cat ladder in-process gyro wheel installation diameter from changing.

Example 2

The structure of the ladder-climbing luggage case of this embodiment is substantially the same as that of embodiment 1, and further, the mounting case of this embodiment is composed of a mounting case 301 and a cover 302 covering the mounting case 301, and a through hole for the connecting arm 303 to pass through is formed in the mounting case. The crawler wheels 4 are further arranged at the bottom of the box body 1, replacement in a ladder climbing mode can be achieved through the crawler wheels, and the crawler wheels can be started to achieve ladder climbing when the triangular wheels break down.

Example 3

The structure of the ladder-climbing type luggage case is basically the same as that of embodiment 2, and further, the crawler wheels 4 of this embodiment are two and symmetrically installed on both sides of the connecting plate 5, one end of the connecting plate 5 is rotatably connected with the ear plate 101 at the bottom of the case 1, and the other end is connected with the height adjusting mechanism. When the crawler wheel 4 is used for climbing stairs, the installation height of the crawler wheel can be adjusted through the height adjusting mechanism, so that the climbing stairs of different heights can be required. Specifically, as shown in fig. 2 and 3, the height adjusting mechanism includes a telescopic push plate 6 and a screw rod 7, one end of the screw rod 7 is installed on a first fixing plate 8 at the bottom of the box body in a threaded manner, the other end of the screw rod is installed on a second fixing plate 903 at the bottom of the box body in a threaded manner and provided with a sleeve 9, and the connecting plate 5 is rotatably connected with the sleeve 9 through the telescopic push plate 6. When stairs with different heights need to be climbed, the screw rod 7 is rotated, so that the sleeve 9 can be driven to move back and forth, the height adjustment of the crawler wheel 4 is realized, and the requirement of the stairs with different heights on the climbing ladder is met. The sleeve 9 of this embodiment includes a sleeve nut 901 and a connecting frame 902 that are fixedly connected, the sleeve nut 901 is connected with the screw 7 by screw threads, and the telescopic push plate 6 is rotatably connected with the connecting frame 902.

Claims

1. The utility model provides a cat ladder formula suitcase, includes box (1) and scalable pull rod (2) of installing on box (1), its characterized in that: still install in triangular wheel (3) of box (1) both sides bottom including the symmetry, triangular wheel (3) include with box (1) fixed installation shell that links to each other and along three linking arm (303) of installation shell circumference annular distribution, wherein gyro wheel (304) are installed to the one end of linking arm (303), and its other end passes the installation shell to rotate with carousel (308) of installation shell inside through push rod (309) and link to each other, carousel (308) link to each other with rotation actuating mechanism.

2. A ladder-climbing luggage case as claimed in claim 1, wherein: the rotation driving mechanism comprises a worm (305) and a worm wheel (307), wherein the worm wheel (307) is fixedly connected with the turntable (308) through a rotating shaft (310), one end of the worm (305) is meshed with the worm wheel (307), and the other end of the worm (305) penetrates through the box body (1) and is positioned outside the box body.

3. A ladder-climbing luggage case as claimed in claim 2, in which: and an adjusting knob is arranged at one end of the worm (305) positioned outside the box body.

4. A ladder-climbing luggage case according to any one of claims 1-3, characterized in that: one end of the push rod (309) is fixedly connected with the connecting arm (303), and the other end of the push rod is rotatably arranged on the turntable (308).

5. A ladder-climbing luggage case as claimed in claim 4, in which: the installation shell comprises an installation box (301) and a cover body (302) covering the installation box (301), and a through hole for the connecting arm (303) to pass through is processed on the installation shell.

6. A ladder-climbing luggage case as claimed in claim 4, in which: the bottom of the box body (1) is also provided with crawler wheels (4).

7. A ladder-climbing luggage case as claimed in claim 6, in which: the crawler wheels (4) are symmetrically arranged on two sides of the connecting plate (5), one end of the connecting plate (5) is rotatably connected with the lug plate (101) at the bottom of the box body (1), and the other end of the connecting plate is connected with the height adjusting mechanism.

8. A ladder-climbing luggage case as claimed in claim 7, in which: the height adjusting mechanism comprises a telescopic push plate (6) and a screw rod (7), the screw rod (7) is installed on a first fixing plate (8) and a second fixing plate (903) of the bottom of the box body in a threaded mode, a sleeve (9) is arranged at one end of the screw rod in a threaded mode, and the connecting plate (5) is connected with the sleeve (9) in a rotating mode through the telescopic push plate (6).

9. A ladder-climbing luggage case as claimed in claim 8, in which: the sleeve (9) comprises a sleeve nut (901) and a connecting frame (902) which are fixedly connected, the sleeve nut (901) is in threaded connection with the screw (7), and the telescopic push plate (6) is rotationally connected with the connecting frame (902).