CN202514787U

CN202514787U - Draw-bar box with slope-adjustable draw bar

Info

Publication number: CN202514787U
Application number: CN2012201820682U
Authority: CN
Inventors: 王丽美
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-04-25
Filing date: 2012-04-25
Publication date: 2012-11-07
Anticipated expiration: 2022-04-25

Abstract

The utility model discloses a draw-bar box with a slope-adjustable draw bar. The draw-bar box comprises a box body, rollers which are arranged below the box body, and a telescopic rod which is arranged on the rear side of the box body, wherein the telescopic rod comprises a pair of outer rods and a pair of inner rods which are movably sleeved in the two outer rods respectively, and the upper ends of the two inner rods are connected with a pull handle; and two positioners are fixed below the rear side of the box body, the lower ends of the outer rods of the telescopic rod are hinged with the two positioners through a rotating shaft, a plurality of bayonets are formed on each positioner, and a positioning fastener which is matched with the bayonets is arranged on each outer rod. The positioning fastener comprises a buckle of which the front end passes through one outer rod and extends and retracts along the direction of the bayonets, and drives the buckle to be clamped into a spring of one bayonet; and the upper side of the buckle is connected with an inclined plane touch part which is driven in the downward movement process of the inner rods. The outer rods can be rotated to an appropriate angle around the rotating shaft, so that the draw-bar box can be kept upright or inclined slightly, and the gravity that the draw-bar box acts on a hand in the pulled process is reduced.

Description

The adjustable draw-bar box of a kind of pull bar gradient

Technical field

The utility model belongs to the luggage case technical field, is specifically related to a kind of structure of draw-bar box.

Background technology

The general version of the draw-bar box of prior art is that a telescopic pull bar is set at the back side of draw-bar box, pulls pull bar during use and makes the draw-bar box integral inclination, and move through two roller pulling draw-bar boxes of draw-bar box below.Because draw-bar box is inclined in motion, the hand of pulling draw-bar box pull bar also will bear the downward pressure that casing produces except a driving force forward is provided, and when Item Weight was heavier in the case, the pressure that hand bears was just bigger.In addition, because the height gap of different people, the gradient of draw-bar box can be different in the time of the pulling draw-bar box, and promptly an end of draw-bar box pull bar is low more, and the pressure that draw-bar box acts on hand is big more.

Summary of the invention

The purpose of the utility model is: the problem to prior art exists, the adjustable draw-bar box of a kind of pull bar gradient is proposed, and the people of different heights can be through the gradient of adjusting yoke, makes the whole not over-tilting of draw-bar box and increases the burden of hand.

For realizing the purpose of the utility model, adopt following technical scheme to be achieved: the adjustable draw-bar box of a kind of pull bar gradient, include casing, be arranged on the roller of casing below, and the expansion link that is arranged on box back surface; Described expansion link comprises an outer pole and a pair of interior bar that is movably set in respectively in two outer bars, and two interior bar upper ends are connected with a handle; Described box back surface below is set with two locators, and the outer bar lower end of described expansion link and two locators are hinged through rotating shaft, and locator is provided with a plurality of bayonet sockets, and outer bar is provided with the location fastener with each bayonet fittings.

As preferred version: described location fastener includes front end and passes outer bar and along the flexible buckle of bayonet socket direction, drive the spring that buckle snaps in bayonet socket, and described buckle upside is connected with one and moves downward the touch part, inclined-plane that drives in the process at interior bar.

As preferred version: described buckle rear end is provided with the spring connecting portion that connects spring, also is provided with the locating piece of the fixing spring other end outside in the bar.

As preferred version: described casing below also is provided with a pair of front-wheel.

Compared with prior art; The beneficial effect of the utility model is: owing to below box back surface, be set with two locators; The outer bar lower end of described expansion link and two locators are hinged through rotating shaft; And locator is provided with a plurality of bayonet sockets, and outer bar is provided with the location fastener with each bayonet fittings.Described location fastener includes front end and passes outer bar and along the flexible buckle of bayonet socket direction, drive the spring that buckle snaps in bayonet socket, and described buckle upside is connected with one and moves downward the touch part, inclined-plane that drives in the process at interior bar.Like this; As long as bar can make in the outer bar of buckle withdrawal in pressing downwards, then outer bar can rotate to proper angle around the shaft, then only needs bar in the upwards pulling; Then buckle promptly snaps on the bayonet socket of locator relevant position; Outer bar promptly is positioned, and draw-bar box just can be kept upright or only slightly inclination like this, reduces draw-bar box acts on hand in being pulled process gravity.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is the A portion structure for amplifying sketch map of Fig. 1.

Fig. 3 is the configuration state sketch map of each parts after interior bar rises.

Fig. 4 is the structural representation of locator.

Fig. 5 is the side-looking structural representation of Fig. 1.

1, handle; 2, casing; 3, outer bar; 4, locator; 41, bayonet socket; 5, roller; 6, rotating shaft; 7, location fastener; 71, locating piece; 72, spring; 73, buckle; 731, spring connecting portion; 732, touch part, inclined-plane; 8, interior bar; 9, front-wheel.

The specific embodiment

According to accompanying drawing the specific embodiment of the utility model is done a detailed explanation below.

To shown in Figure 5, the adjustable draw-bar box of the described a kind of pull bar gradient of present embodiment includes casing 2, is arranged on the roller 5 of casing 2 belows, and the expansion link that is arranged on casing 2 back sides according to Fig. 1; Described expansion link comprises that an outer pole 3 is movably set in two 8, two interior bars of interior bar, 8 upper ends in the outer bar 3 respectively and is connected with one and shakes hands 1 with a pair of; Described casing 2 lower rear are set with two locators 4; Outer bar 3 lower ends and two locators 4 of described expansion link are hinged through rotating shaft 6; And locator 4 is provided with a plurality of bayonet sockets 41, and outer bar 3 is provided with the location fastener 7 that cooperates with each bayonet socket 41.

Described location fastener 7 includes front end and passes outer bar 3 and along the flexible buckle 73 of bayonet socket 41 directions, drive the spring 72 that buckle 73 snaps in bayonet socket 41, and described buckle 73 upsides are connected with one and move downward the touch part, inclined-plane 732 that drives in the process at interior bar 8.As shown in Figure 2, the bottom sliding-contact of touch part, inclined-plane 732 and interior bar 8.

Described buckle 73 rear ends are provided with the spring connecting portion 731 that connects spring 72, also are provided with the locating piece 71 of fixing spring 72 other ends outside in the bar 3.

During use; Bar 8 can make in the outer bar 3 of buckle 73 withdrawals in pressing downwards, and then outer bar 3 can 6 rotate to proper angle around the shaft, then only needs bar 8 in the upwards pulling; Then buckle 73 promptly snaps on the bayonet socket 41 of locator 4 relevant positions; Outer bar 3 promptly is positioned, and draw-bar box 2 is kept upright or only slightly inclination, reduces draw-bar box acts on hand in being pulled process gravity.

Described casing 2 belows also are provided with a pair of front-wheel 9.Roller 5 and front-wheel 9 are all landed, can easily spur draw-bar box through expansion link.

Claims

1. the draw-bar box that the pull bar gradient is adjustable includes casing (2), is arranged on the roller (5) of casing (2) below, and the expansion link that is arranged on casing (2) back side; Described expansion link comprises an outer pole (3) and a pair of interior bar (8) that is movably set in respectively in two outer bars (3), and two interior bars (8) upper end is connected with a handle (1); It is characterized in that: described casing (2) lower rear is set with two locators (4); Outer bar (3) lower end and two locators (4) of described expansion link are hinged through rotating shaft (6); And locator (4) is provided with a plurality of bayonet sockets (41), and outer bar (3) is provided with the location fastener (7) that cooperates with each bayonet socket (41).

2. the adjustable draw-bar box of a kind of pull bar gradient according to claim 1; It is characterized in that: described location fastener (7) includes the buckle (73) that front end passes outer bar (3) and stretches along bayonet socket (41) direction; Drive the spring (72) that buckle (73) snaps in bayonet socket (41), described buckle (73) upside is connected with one and moves downward the touch part, inclined-plane (732) that drives in the process at interior bar (8).

3. the adjustable draw-bar box of a kind of pull bar gradient according to claim 2; It is characterized in that: described buckle (73) rear end is provided with the spring connecting portion (731) that connects spring (72), also is provided with the locating piece (71) of fixing spring (72) other end outside in the bar (3).

4. the adjustable draw-bar box of a kind of pull bar gradient according to claim 1 is characterized in that: described casing (2) below also is provided with a pair of front-wheel (9).