CN216316195U

CN216316195U - Trolley backpack with telescopic rollers

Info

Publication number: CN216316195U
Application number: CN202123175644.9U
Authority: CN
Inventors: 弓太生; 宋欣欣; 刘欣颖; 康路平; 张诗雨; 王倩; 黄佳鑫; 孔心怡
Original assignee: Shaanxi University of Science and Technology
Current assignee: Shaanxi University of Science and Technology
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-04-19
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses a trolley-wheel-telescopic pull-rod backpack which comprises a backpack body, wherein a pull rod is arranged at the top of the backpack body, a trolley is arranged at the bottom of the backpack body, the trolley is connected with a vertical plate, a groove is formed in the bottom of the back of the backpack body, a telescopic rail is arranged on one side, close to the vertical plate, of the groove, the telescopic rail is matched with the vertical plate, the vertical plate is connected with a power device, and the vertical plate is connected with a limiting device connected with the side of the rail. The position of the stretching part is fixed through the limiting device, so that the effect of shielding the roller is achieved.

Description

Trolley backpack with telescopic rollers

Technical Field

The utility model relates to the technical field of backpacks, in particular to a pull rod backpack with telescopic rollers.

Background

Most of the short-distance travel backpacks in the market at present have single forms: ordinary both shoulders knapsack accomodates article too much and can increase heavy burden, and the knapsack that possess fixed gyro wheel and removable pull rod has alleviateed heavy burden to a certain extent, but after demolising the pull rod, when people carried the knapsack, on the wheel dirty thing will account for the clothes, make dirty people's clothes. Simultaneously, the detachable pull rod is difficult for carrying and easily losing after demolising, influences the light and happy mood and the experience sense of people in the travel.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model aims to provide a pull rod backpack with telescopic rollers, wherein the position of a stretching part is fixed through a limiting device, so that the effect of shielding the rollers is realized.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a gyro wheel telescopic pull rod knapsack, includes knapsack

main part

3, 3 tops of knapsack main part are pull rod 2, and the bottom is gyro wheel 1, gyro wheel 1 is connected with riser 6, 3 back bottom positions of knapsack main part are equipped with recess 5, one side that recess 5 is close to riser 6 is provided with flexible track 7, flexible track 7 agrees with mutually with riser 6, riser 6 is connected with power device 10, riser 6 is connected and is connected with stop device with the track side.

The vertical plate 6 is in the shape of an SD card.

The groove 5 is used for placing the roller 1.

Stop device includes bolt 9 and bolt guide rail 8, is provided with bolt guide rail 8 on the riser 6, the telescopic rail 7 the left side is provided with bolt 9 in the recess 5, bolt 9 is for pressing the retractable bolt, bolt 9 constitutes the bolt structure with bolt guide rail 8.

The upper part and the lower part of the bolt guide rail 8 are respectively circular depressions.

The inner side of the vertical plate 6 is connected with a spring power device 10, a square connecting rod 11 is arranged in the spring power device 10, and the vertical plate 6 and the spring power device 10 form a push-push structure.

The utility model has the beneficial effects that:

the position of the stretching part is fixed through the limiting device, so that the effect of shielding the roller is achieved.

According to the utility model, the vertical plate is popped up, so that the roller can move up and down more easily.

The roller is connected with the box body through the push-push structure to stretch the roller, and the position of the stretching part is fixed through the bolt structure, so that the effect of shielding the roller is achieved, and the inconvenience caused by dirtying clothes is avoided.

Drawings

FIG. 1 is a schematic view of the structure of the present invention.

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

Fig. 3 is a schematic view of the backpack cover of the present invention.

FIG. 4 is an enlarged view of a portion of the roller of the present invention when it is extended.

Fig. 5 is a partially enlarged view of the backpack roller of the present invention when stowed.

Reference numerals: 1. a roller; 2. a pull rod; 3. a backpack body; 4. wrapping belts; 5. a groove; 6. a vertical plate; 7. a telescopic rail; 8. a bolt guide rail; 9. a bolt; 10. a spring powered device; 11. a clip-shaped connecting rod; 12-13, link movement direction.

Detailed Description

The present invention will be described in further detail with reference to examples.

As shown in fig. 1-5, a pull rod knapsack that gyro wheel is telescopic, includes gyro wheel 1, pull rod 2, knapsack main part 3 and band 4, gyro wheel 1 is connected with the riser 6 of similar SD card shape, 3 back bottom positions of knapsack main part are equipped with recess 5, one side that recess 5 is close to riser 6 is provided with flexible track 7, flexible track 7 agrees with riser 6 mutually, riser 6 is connected with power device 10, riser 6 is connected and is connected with stop device with the track side. Therefore, when people push the roller 1, the vertical plate 6 can drive the roller 1 to move into the groove 5 along the track defined by the telescopic rail 7 and is positioned under the limiting device, and the power device 10 provides power for the movement of the vertical plate 6.

The riser 6 is carved with bolt guide rail 8, the telescopic rail 7 the left side is provided with bolt 9 in the recess 5, bolt 9 is for pressing the retractable bolt, bolt 9 constitutes the bolt structure with bolt guide rail 8, as the stop device of gyro wheel. When the vertical plate 6 moves to the top of the groove 5 along the telescopic rail 7, the bolt 9 is ejected out of the circular recess at the lower part of the bolt guide rail 8, so that the roller is positioned in the groove; when the vertical plate 6 moves out of the groove 5 along the telescopic rail 7 by pressing the bolt 9, the bolt 9 is popped up at the upper circular concave part of the bolt guide rail 8, and the positioning of the roller in use is realized.

The inner side of the vertical plate 6 is connected with a spring power device 10, a square connecting rod 11 is arranged in the spring power device 10, and the vertical plate 6 and the spring power device 10 form a push-push structure. When the roller 1 is retracted into the groove 5, the clip-shaped connecting rod 11 in the spring power device 10 moves according to the moving direction shown by 13, so that the roller 1 and the vertical plate 6 are retracted and moved, and the roller 1 is in the state shown in fig. 5; when the roller 1 is ejected, the return link 11 in the spring power device 10 moves according to the moving direction shown by 12, and the roller 1 reaches the state shown in fig. 4.

The working principle of the utility model is as follows:

when the roller 1 needs to be used, the bolt 9 is pressed, the roller 1 is pushed inwards at the same time, the inner square-shaped connecting rod 11 of the spring power device 10 moves in the moving direction shown by 12, and when the vertical plate 6 moves out of the groove 5 along the telescopic rail 7, the bolt 9 is popped up at the upper circular concave part of the bolt guide rail 8, so that the positioning of the roller in use is realized. When the roller needs to be retracted, the roller 1 is directly pushed into the groove 5, the return-shaped connecting rod 11 in the spring power device 10 moves according to the moving direction shown by 13, the roller 1 and the vertical plate 6 are retracted and moved, when the vertical plate 6 moves to the top of the groove 5 along the telescopic rail 7, the bolt 9 is ejected out of the circular recess at the lower part of the bolt guide rail 8, and the roller is positioned in the groove.

Claims

1. The utility model provides a gyro wheel telescopic pull rod knapsack, its characterized in that, includes knapsack main part (3), knapsack main part (3) top is pull rod (2), and the bottom is gyro wheel (1), gyro wheel (1) are connected with riser (6), knapsack main part (3) back bottom position is equipped with recess (5), one side that recess (5) are close to riser (6) is provided with flexible track (7), flexible track (7) agree with mutually with riser (6), power device (10) are connected to riser (6), riser (6) are connected and are connected with stop device with the track side.

2. The trolley retractable pole backpack of claim 1, wherein said riser (6) is in the shape of an SD card.

3. Roller retractable drawbar backpack according to claim 1, characterized in that the recess (5) is used for placing the rollers (1).

4. The trolley extensible draw-bar backpack of claim 1, wherein the position-limiting device comprises a bolt (9) and a bolt guide (8), the bolt guide (8) is disposed on the vertical plate (6), the bolt (9) is disposed on the left side of the extensible track (7) in the groove (5), the bolt (9) is a pressing extensible bolt, and the bolt (9) and the bolt guide (8) form a bolt structure.

5. The trolley retractable tension bar backpack of claim 4, wherein said latch rail (8) is a circular recess in the upper and lower portions thereof, respectively.

6. The trolley backpack with retractable rollers as claimed in claim 1, wherein a spring power device (10) is connected to the inner side of the vertical plate (6), a zigzag connecting rod (11) is arranged in the spring power device (10), and the vertical plate (6) and the spring power device (10) form a push-push structure.