CN211186123U

CN211186123U - Draw-bar box

Info

Publication number: CN211186123U
Application number: CN201922018023.6U
Authority: CN
Inventors: 刘珺琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-08-07
Anticipated expiration: 2029-11-20

Abstract

The utility model provides a draw-bar box, including the box, establish at the pull rod of box one side and establish the directive wheel at the bottom half, its characterized in that: still include the auxiliary wheel, bottom half both sides are equipped with the recess, and vertical interior guide rail and the outer guide rail of being equipped with in the recess, the auxiliary wheel is located between interior guide rail and the outer guide rail and reciprocates along interior guide rail and outer guide rail, and the auxiliary wheel passes through auxiliary wheel fixed button and is connected fixedly with interior guide rail and outer guide rail. The utility model discloses an at the both sides installation auxiliary wheel of draw-bar box, solved the inconvenient problem of draw-bar box use under the condition such as complicated road surface for the draw-bar box is more laborsaving, practical. The structure that the auxiliary wheel can be hidden is designed, so that the draw-bar box is more attractive to carry.

Description

Draw-bar box

Technical Field

The utility model relates to a draw-bar box.

Background

Along with the requirement of people on improvement of living quality, more and more articles are carried when people go out or get home, especially, the frequency of going out of people in small cities and countryside at home is increased, children's schoolbag is more and more sunken, so that more and more draw-bar boxes are used, and the moving capability of various draw-bar boxes used at present under the conditions of complex pavement, stair climbing and the like is greatly limited. The current suitcase has crawler-type to climb building draw-bar box, ordinary gyro wheel draw-bar box, electric drive draw-bar box etc. and these techniques can solve the inconvenient part of using the suitcase in-process among the people's daily life. For example, the crawler-type stair-climbing luggage case part solves the problem that the luggage case with larger towing force and heavy weight goes upstairs and downstairs through stairs; the common roller luggage case carries articles in daily life; the electric drive suitcase part solves the problems of charging the mobile phone, sitting as a stool, saving labor in pushing and the like. However, how to use the draw-bar box under the conditions of complex road surfaces and the like is a problem faced by the use of the current draw-bar box, and the draw-bar box is portable and attractive to carry.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the current draw-bar box moves inconvenient problem under the circumstances such as complicated road surface, climbing stair.

In order to solve the problem, the technical scheme of the utility model provides a draw-bar box is provided, including the box, establish the pull rod in box one side and establish the directive wheel at the bottom half, its characterized in that: still include the auxiliary wheel, bottom half both sides are equipped with the recess, and vertical interior guide rail and the outer guide rail of being equipped with in the recess, the auxiliary wheel is located between interior guide rail and the outer guide rail and reciprocates along interior guide rail and outer guide rail, and the auxiliary wheel passes through auxiliary wheel fixed button and is connected fixedly with interior guide rail and outer guide rail.

Preferably, a plurality of strip-shaped bulges are horizontally arranged on the opposite surfaces of the inner guide rail and the outer guide rail, vertical empty grooves are formed between the bulges of the outer guide rail, and the auxiliary wheel fixing button penetrates through the empty grooves to be connected with the auxiliary wheels.

Preferably, the auxiliary wheel fixing button comprises a shaft, a shaft sleeve is arranged on the shaft, the bottom end of the shaft sleeve is connected with the top end of the shaft through a spring, at least 4 telescopic buckles are arranged on the side surface of the shaft along the radial direction, the telescopic buckles extend out of the shaft sleeve and are clamped between two adjacent bulges of the outer guide rail, and the bottom end of the shaft is clamped between two adjacent bulges of the inner guide rail.

Preferably, the telescopic buckle and the shaft are connected through a square ring.

Preferably, the bottom end of the shaft is provided with a tip end convenient for clamping the shaft, and the top end of the shaft is provided with a pull buckle for pulling the shaft.

Preferably, the telescopic buckles are uniformly distributed on the shaft.

Preferably, the auxiliary wheel and the auxiliary wheel fixing button are connected through a bearing.

Preferably, the box is the cuboid structure, including four sides all around, the great two sides of box area are located to the recess, and the pull rod is established in the side adjacent with the recess.

Preferably, the opening and closing surface of the box body is one side surface of the box body.

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

the utility model discloses an at the both sides installation auxiliary wheel of draw-bar box, solved the inconvenient problem of draw-bar box use under the condition such as complicated road surface for the draw-bar box is more laborsaving, practical. The structure that the auxiliary wheel can be hidden is designed, so that the draw-bar box is more attractive to carry.

The utility model adds the auxiliary wheel structure, can bear the weight of a larger draw-bar box, is convenient for carrying more articles, is beneficial to balancing and saving labor when the draw-bar box is pulled, and ensures that the draw-bar box can be pulled on a more complicated road surface and can also be directly pulled when going upstairs and downstairs; when the auxiliary wheel is not used, the auxiliary wheel can be hidden in the box body in a telescopic mode, and the auxiliary wheel is attractive. The auxiliary wheel is fixed through the bearing, so that the auxiliary wheel can be adjusted conveniently according to actual needs, and the auxiliary wheel is convenient and practical; simultaneously the utility model discloses a improve on the basis of current draw-bar box technique, the cost is less, does benefit to the popularization.

Drawings

Fig. 1 is a schematic view of a bottom structure of a draw-bar box of the present invention;

fig. 2 is a schematic view of the overall structure of a draw-bar box of the present invention;

FIG. 3 is a schematic structural diagram of the connection relationship between the inner guide rail, the outer guide rail and the auxiliary wheels with the inner guide rail and the outer guide rail;

FIG. 4 is a schematic structural view of the auxiliary wheel in a fixed state;

fig. 5 is a schematic structural view of a sub wheel fixing button when the sub wheel moves.

Detailed Description

In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.

The utility model relates to a draw-bar box, including box 1, pull rod 2 is installed to 1 one side of box, and directive wheel 3 is installed to 1 bottom of box, and 1 bottom of box both sides processing is fluted 5, as shown in fig. 2, and box 1 is the cuboid structure, including four sides all around, two sides that 1 area of box is great are located to recess 5, and the face of opening and shutting of box 1 is a side of box 1. An inner guide rail 6 and an outer guide rail 7 are vertically arranged in the groove 5, the auxiliary wheel 4 is arranged between the inner guide rail 6 and the outer guide rail 7 and moves up and down along the inner guide rail 6 and the outer guide rail 7, and the auxiliary wheel 4 is fixedly connected with the inner guide rail 6 and the outer guide rail 7 through an auxiliary wheel fixing button 8. A plurality of strip-shaped bulges 9 are horizontally processed on the opposite surfaces of the inner guide rail 6 and the outer guide rail 7, vertical empty grooves 10 are processed between the bulges 9 of the outer guide rail 7, and the auxiliary wheel fixing button 8 penetrates through the empty grooves 10 to be connected with the auxiliary wheel 4 through a bearing 16. The auxiliary wheel fixing button 8 comprises a shaft 11, a shaft sleeve 12 is mounted on the shaft 11, the bottom end of the shaft sleeve 12 is connected with the top end of the shaft 11 through a spring 13, at least 4 telescopic buckles 14 are radially mounted on the side surface of the shaft 11, the telescopic buckles 14 are uniformly distributed on the shaft 11, the telescopic buckles 14 and the shaft 11 are connected through a square ring 15, the telescopic buckles 14 extend out of the shaft sleeve 12 and are clamped between two adjacent bulges 9 of the outer guide rail 7, and the bottom end of the shaft 11 is clamped between two adjacent bulges 9 of the inner guide rail 6. The bottom end of the shaft 11 is provided with a tip 17 for conveniently clamping the shaft 11, and the top end of the shaft 11 is provided with a pull buckle 18 for pulling the shaft 11.

The utility model discloses on the basis of present commonly used draw-bar box, set up recess 5 bottom the draw-bar box, install fixed auxiliary wheel 4 additional, as shown in fig. 1. In order to facilitate the installation of the auxiliary wheel 4 and the use, the pull rod 2 of the draw-bar box is changed from the traditional parallel with a wide surface to the parallel with a narrower surface, and the pull rod 2 is positioned on the relatively narrow surface, as shown in figure 2. The draw-bar box is opened and closed only on the other three sides except the side where the draw bar is located, and the zipper is located on one side surface and is like a cover of the box when being opened, rather than dividing the box into two parts. The guide rail that auxiliary wheel 4 installed is divided into interior guide rail 6 and outer guide rail 7, and interior guide rail 6 is the rectangle, and the one side towards auxiliary wheel 4 adopts the convex-concave like horizontal step pattern, is convenient for fixed auxiliary wheel 4. The outer guide 7 is substantially identical to the inner guide 6 except that it has a hollow 10 in the middle thereof, mainly for the fixed movement of the auxiliary wheel 4, as shown in fig. 3. The inner guide rail 6 and the outer guide rail 7 can be telescopic and are similar to a folding umbrella, and the control clamping head is positioned outside the guide rail extending out of the pull rod box body; the rolling bearing 16 is arranged in the middle of the auxiliary wheel 4, and the bearing 16 can be fixedly sleeved with the auxiliary wheel 4; when the auxiliary wheel 4 is in a fixed state, the telescopic buckle 14 is straightened and controlled by the spring 13 in the shaft sleeve 12, as shown in fig. 4. When the auxiliary wheel 4 is in a moving state, the retractable catch 14 is retracted and controlled by the tab 18 and the spring 13 in the sleeve 12, as shown in fig. 5. The up-and-down movement of the auxiliary wheel 4 can be controlled and fixed by pulling out the auxiliary wheel fixing button 8, and the auxiliary wheel 4 is hidden in the draw-bar box when not in use.

Claims

1. The utility model provides a draw-bar box, includes box (1), establishes draw-bar (2) in box (1) one side and establishes directive wheel (3) in box (1) bottom, its characterized in that: still include jockey pulley (4), box (1) bottom both sides are equipped with recess (5), and vertical interior guide rail (6) and outer guide rail (7) of being equipped with in recess (5), jockey pulley (4) are located between interior guide rail (6) and outer guide rail (7) and reciprocate along interior guide rail (6) and outer guide rail (7), and jockey pulley (4) are connected fixedly through jockey pulley fixed button (8) and interior guide rail (6) and outer guide rail (7).

2. A draw-bar box according to claim 1, wherein: the face that interior guide rail (6) and outer guide rail (7) are relative is improved level and is equipped with a plurality of strip archs (9), be equipped with vertical dead slot (10) between arch (9) of outer guide rail (7), the dead pulley fixed button (8) pass dead slot (10) and are connected with jockey pulley (4).

3. A draw-bar box according to claim 1, wherein: the auxiliary wheel fixing button (8) comprises a shaft (11), a shaft sleeve (12) is arranged on the shaft (11), the bottom end of the shaft sleeve (12) is connected with the top end of the shaft (11) through a spring (13), at least 4 telescopic buckles (14) are arranged on the side face of the shaft (11) along the radial direction, the telescopic buckles (14) extend out of the shaft sleeve (12) to be clamped between two adjacent bulges (9) of the outer guide rail (7), and the bottom end of the shaft (11) is clamped between two adjacent bulges (9) of the inner guide rail (6).

4. A draw-bar box according to claim 3, wherein: the telescopic buckle (14) is connected with the shaft (11) through a square ring (15).

5. A draw-bar box according to claim 3, wherein: the bottom of axle (11) is equipped with and is convenient for with most advanced (17) of axle (11) chucking, and the top of axle (11) is equipped with and is used for pulling the pull-out button (18) of moving axle (11).

6. A draw-bar box according to claim 3, wherein: the telescopic buckles (14) are uniformly distributed on the shaft (11).

7. A draw-bar box according to claim 1, wherein: the auxiliary wheel (4) is connected with the auxiliary wheel fixing button (8) through a bearing (16).

8. A draw-bar box according to claim 1, wherein: the box (1) is of a cuboid structure and comprises four side faces, namely a front side face, a rear side face, a left side face and a right side face, the groove (5) is formed in the two side faces, with large area, of the box (1), and the pull rod (2) is arranged on the side face adjacent to the groove (5).

9. A draw-bar box according to claim 1, wherein: the opening and closing surface of the box body (1) is one side surface of the box body (1).