CN213045817U - Novel luggage pull rod - Google Patents

Abstract

The utility model discloses a novel luggage pull rod, which belongs to the field of luggage pull rods and comprises a pull rod frame, the pull rod frame comprises a pull rod piece, a chassis with rollers and a bracket, the bracket is provided with a rotating piece hinged with the pull rod piece, the chassis is provided with a containing part for containing the bracket so as to control the rotation angle of the bracket, the pull rod piece comprises an outer rod, an inner rod and a hand rod, the outer rod is sleeved on the outer ring of the inner rod, the hand lever is provided with a knob, the knob is rotationally connected with the outer rod, the hand lever is provided with a convex part and a positioning part, the positioning part is sleeved on the inner ring of the outer rod, and the inner ring of the positioning piece is provided with a bulge and a limiting piece, the rotating angle of the bracket is controlled by the rotating piece, the expansion or the storage of the bracket is conveniently adjusted, and the outer rod is controlled to stretch along the inner rod through the knob, so that the handle is adjusted to a proper use position when the state of the luggage rack and the normal luggage is converted.

Description

Novel luggage pull rod

Technical Field

The utility model discloses a luggage pull rod especially relates to a novel luggage pull rod.

Background

The case drawbar is a drawbar arranged outside the luggage case and comprises a bracket for supporting the case body, rollers and a single-tube or double-tube rod piece convenient for a user to drag.

Four pivots at box or support are installed mostly to four gyro wheels of current case and bag, but in-service use, the user inclines case and bag certain angle, and the only two gyro wheels of actual work when dilatory case and bag, the user need keep the box slope constantly more laborsaving when guaranteeing to dilatorily, and the difficult push-and-pull of falling also has the case and bag of luggage posture to appear, and four gyro wheels all work, but the space that such case and bag occupy is big, is difficult for accomodating.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving foretell problem and providing a novel case and bag pull rod, through the turned angle who rotates a control support, conveniently adjust its expansion or accomodate into the portion of accomodating to stretch out and draw back along interior pole through knob control outer pole, with adjust the handle suitable position of use when luggage rack and normal case and bag state conversion.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a novel case and bag pull rod, includes the pull rod frame, the pull rod frame includes pull rod spare, takes the chassis and the support of gyro wheel, the support is equipped with the rotation piece with pull rod spare articulated to the turned angle of control support, the chassis is equipped with the portion of accomodating the support, pull rod spare includes outer pole, interior pole and handle bar, the outer lane at interior pole is established to outer pole cover, the handle bar is equipped with the knob, the knob rotates with outer pole to be connected, the handle bar is equipped with protruding and setting element, the inner circle at outer pole is established to the setting element cover, and the inner circle of setting element is equipped with convex part and locating part, and when rotating the knob, protruding promotes the conflict convex part, makes the inner circle of outer pole be kept away from to the setting element.

Through adopting above-mentioned technical scheme, it is flexible along interior pole to drive the outer pole through the handspike to rotate the knob and make the protruding piece promote the conflict convex part, make the setting element keep away from the inner circle of outer pole, make the handspike conflict setting element, and spacing by the locating part, realize the fixed of outer pole, realize the function of adjusting pull rod spare length, so that case and bag can normally drag when accomodating the back as normal case and bag with the support.

Preferably, the support includes connecting rod, telescopic link and two connecting rods, the telescopic link is equipped with the pulley of being connected with the connecting rod rotation respectively, pulley swing joint has the locking piece, the telescopic link is fixed with the locking piece, and the locking piece is equipped with a plurality of and locking piece complex closure portion.

Through adopting above-mentioned technical scheme, the locking portion through the locking piece and the cooperation of locking piece are in order to realize the pivoted function of control pulley.

Preferably, the telescopic rod comprises a plurality of telescopic parts which are sleeved, and the connecting rod is matched with the connecting rod through a self-aligning roller bearing.

Through adopting above-mentioned technical scheme, realize making the connecting rod free rotation thereupon and can not block dead when the telescopic link is flexible through self-aligning roller bearing.

Preferably, the accommodating parts are respectively connected with elastic clamping pieces for fixing the connecting rods in a sliding manner, and grooves matched with the elastic clamping pieces are formed in the accommodating parts.

Through adopting above-mentioned technical scheme, fix the connecting rod of accomodating in the portion of accomodating through the cooperation of elasticity fastener and recess, prevent that the connecting rod breaks away from the portion of accomodating when using as normal case and bag.

Preferably, the roller is provided with a brake pad.

By adopting the technical scheme, the brake pad controls the sliding of the luggage on the ground, so that the luggage is prevented from sliding when no one holds the hand lever.

Preferably, the chassis is further provided with a fixing device for fixing the luggage, the fixing device comprises an arc-shaped track, a baffle in sliding connection with the arc-shaped track, and a round tube matched with the arc-shaped track, a rotating handle penetrates through the baffle and penetrates through the round tube, and the other end of the rotating handle penetrating through the round tube is further in threaded connection with a nut.

Through adopting above-mentioned technical scheme, make the nut of lower extreme tighten up through rotating the turning handle, the extrusion pipe warp for the pipe supports the arc track tightly, makes baffle locking case and bag.

Preferably, the main material of the pull rod frame is polycarbonate.

By adopting the technical scheme, the pull rod frame made of polycarbonate is colorless and transparent, and has the advantages of cold resistance, heat resistance, good impact resistance and good toughness.

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

firstly, the rotating angle of the support is controlled through the rotating piece, the support can be conveniently adjusted to be unfolded or stored into the storage part, and the outer rod is controlled by the knob to stretch along the inner rod, so that the handle is adjusted to a proper use position when the state of the luggage rack is converted from the state of a normal case;

secondly, the function of controlling the pulley to rotate is realized through the matching of the locking part of the locking piece and the locking block;

thirdly, the connecting rod can freely rotate along with the telescopic rod when the telescopic rod is stretched and retracted through the self-aligning roller bearing, and the connecting rod cannot be clamped;

fourthly, the connecting rod accommodated in the accommodating part is fixed through the matching of the elastic clamping piece and the groove, so that the connecting rod is prevented from being separated from the accommodating part when the luggage is used as a normal luggage;

fifthly, the nuts at the lower end are tightened up by rotating the rotating handle, and the round pipe is extruded to deform, so that the arc-shaped track is tightly supported by the round pipe, and the baffle plate locks the luggage.

Drawings

FIG. 1 is a first schematic structural view of a novel luggage pull rod;

FIG. 2 is a second schematic structural view of the novel luggage drawbar;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is a cross-sectional view of the pull rod member;

FIG. 5 is a cross-sectional view at the positioning member;

FIG. 6 is a view of FIG. 2 in the direction B;

FIG. 7 is a view of FIG. 6 in the direction C;

fig. 8 is a partial enlarged view at the pulley and the connecting rod.

Reference numerals: 1. a handle; 2. an inner rod; 3. an outer rod; 4. a telescopic rod; 5. a connecting rod; 6. a self-aligning roller bearing; 7. a connecting rod; 8. a chassis; 9. a storage section; 10. a groove; 11. the elastic clamping piece; 12. a positioning member; 13. a limiting member; 14. a pulley; 15. a baffle plate; 16. a handle is rotated; 17. a circular tube; 18. a nut; 19. A locking portion; 20. a locking block.

Detailed Description

In the following description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like refer to the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not refer to or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

A novel luggage pull rod comprises a pull rod frame, the pull rod frame comprises a pull rod piece, a chassis 8 with idler wheels and a support, the support is provided with a rotating piece hinged with the pull rod piece so as to control the rotating angle of the support, the chassis 8 is provided with a containing portion 9 for containing the support, the pull rod piece comprises an outer rod 3, an inner rod 2 and a hand rod 1, the outer rod 3 is sleeved on the outer ring of the inner rod 2, the hand rod 1 is provided with a knob, the knob is rotatably connected with the outer rod 3, the hand rod 1 is provided with a convex piece and a positioning piece 12, the positioning piece 12 is sleeved on the inner ring of the outer rod 3, and the inner ring of the positioning piece 12 is provided with a convex portion and.

When will regard as the luggage rack to use, expand the support from storage portion 9 in through rotating the piece, because the support includes connecting rod 7, telescopic link 4 and two connecting rods 5, telescopic link 4 is equipped with respectively rotates the pulley 14 of being connected with connecting rod 5, pulley 14 swing joint has locking piece 20, telescopic link 4 is fixed with the locking piece, and the locking piece is equipped with a plurality of locking portions 19 with locking piece 20 complex, after will expanding the support of suitable angle, make its four wheels land, through rotating locking piece 20, make its card go into locking portion 19 on the locking piece and carry on spacingly, make adjusted connecting rod 5 can not rotate. And because the angle of dragging changes, need control the handspike 1 to suitable position and use, need through the relative length between adjustment outer pole 3 and interior pole 2, rotate the knob earlier and drive handspike 1 and rotate, make the protruding piece of handspike 1 break away from the restriction of convex part and make locating part 12's locating part 13 reduce the oppression power to outer pole 3 for the relative length of outer pole 3 and interior pole 2 can be adjusted. After adjusting outer pole 3 to suitable position, rotate the knob once more, make the protruding piece of handspike 1 promote setting element 12 and be close to the protruding part of contradicting for setting element 12 expands tightly and compresses tightly outer pole 3, realizes the flexible location of handspike 1. And telescopic link 4 includes the pars contractilis that a plurality of covers were established, and connecting rod 5 passes through self-aligning roller bearing 6 cooperation with connecting rod 7 respectively, can adjust the length of telescopic link 4 through a plurality of pars contractilis to because self-aligning roller bearing 6's existence, telescopic link 4 length change back, connecting rod 5 and connecting rod 7 also can adjust thereupon and expand the angle and can not block and die.

When the telescopic rod frame is used as a normal luggage pull rod frame, the matching of the locking piece and the locking part 19 is released, the telescopic rod 4 is folded along the telescopic part, the two connecting rods 5 are closed, then the two connecting rods 5 are rotatably accommodated into the accommodating part 9, the connecting rods 5 are fixed in the grooves 10 through the sliding elastic clamping pieces 11, and the length of the hand lever 1 is adjusted again according to the method.

Secondly, chassis 8 still is equipped with the fixing device who is used for fixed case and bag, fixing device includes the arc track, baffle 15 with arc track sliding connection, pipe 17 with arc track complex, turning handle 16 wears to be equipped with to baffle 15, and turning handle 16 passes pipe 17, turning handle 16 passes pipe 17's the other end still threaded connection have a nut 18, sliding baffle 15 is fixed with the case and bag of placing, later tighten up through rotating turning handle 16 messenger's nut 18 of lower extreme, extrusion pipe 17 is out of shape, wherein pipe 17 can use the PVC material, make pipe 17 support the arc track tightly, make baffle 15 locking case and bag, with this fixed case and bag, prevent that it from dropping from chassis 8. And the roller is provided with a brake pad, and the sliding of the case on the ground is controlled through the brake pad, so that the case is prevented from sliding when no one holds the hand lever 1.

The main material of the pull rod frame is polycarbonate, the polycarbonate is tough thermoplastic resin, and the pull rod frame is colorless and transparent, heat-resistant, impact-resistant and has good mechanical properties at common use temperature. Compared with polymethyl methacrylate with similar performance, the polycarbonate has good impact resistance, high refractive index, good processing performance and better wear resistance compared with ABS.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a novel case and bag pull rod, includes the pull rod frame, its characterized in that: the pull rod frame comprises a pull rod piece, a chassis (8) with a roller and a bracket, the bracket is provided with a rotating piece hinged with the pull rod piece, the chassis (8) is provided with a containing part (9) for containing the bracket so as to control the rotation angle of the bracket, the pull rod piece comprises an outer rod (3), an inner rod (2) and a hand lever (1), the outer rod (3) is sleeved on the outer ring of the inner rod (2), the hand lever (1) is provided with a knob, the knob is rotationally connected with the outer rod (3), the hand lever (1) is provided with a convex part and a positioning part (12), the positioning piece (12) is sleeved on the inner ring of the outer rod (3), the inner ring of the positioning piece (12) is provided with a convex part and a limiting piece (13), when the knob is rotated, the protruding part pushes the abutting convex part, so that the positioning part (12) is far away from the inner ring of the outer rod (3), and the hand lever (1) abuts against the positioning part (12) and is limited by the limiting part (13).

2. A novel luggage pull rod according to claim 1, characterized in that: the support includes connecting rod (7), telescopic link (4) and two connecting rods (5), telescopic link (4) are equipped with respectively with connecting rod (5) rotate pulley (14) be connected, pulley (14) swing joint has locking piece (20), telescopic link (4) are fixed with the locking piece, and the locking piece is equipped with a plurality of and locking piece (20) complex closure portion (19).

3. A novel luggage pull rod according to claim 2, characterized in that: the telescopic rod (4) comprises a plurality of telescopic parts which are sleeved, and the connecting rod (5) is matched with the connecting rod (7) through the aligning roller bearing (6).

4. A novel luggage pull rod according to claim 2, characterized in that: elastic clamping pieces (11) for fixing the connecting rod (5) are respectively connected in the accommodating part (9) in a sliding mode, and grooves (10) matched with the elastic clamping pieces (11) are formed in the accommodating part (9).

5. A novel luggage pull rod according to claim 1, characterized in that: the roller is provided with a brake pad.

6. A novel luggage pull rod according to claim 1, characterized in that: chassis (8) still are equipped with the fixing device who is used for fixed case and bag, fixing device include the arc track, with arc track sliding connection's baffle (15), with arc track complex pipe (17), turning handle (16) are worn to be equipped with by baffle (15), and turning handle (16) pass pipe (17), turning handle (16) pass the other end of pipe (17) and still threaded connection has nut (18).

7. A novel luggage pull rod according to claim 1, characterized in that: the main body material of the pull rod frame is polycarbonate.

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