CN213045830U - Folding pull rod bracket - Google Patents

Abstract

The utility model discloses a folding draw-bar bracket, which belongs to the draw-bar field of bags and suitcases, and comprises a draw-bar bracket, wherein the draw-bar bracket comprises a draw bar, a bottom frame, a front driving part and a rear driving part which are respectively provided with a roller, the front driving part is articulated with a connecting rod which is connected with the bottom frame in a sliding way, the bottom frame is provided with a position limiting part for limiting the connecting rod, the bottom frame is also provided with a containing hole for containing the front driving part and the roller, the rear driving part is provided with a connecting rod which is connected with the bottom frame in a penetrating way, a conflict spring which conflicts with the rear driving part is arranged in the bottom frame, the bottom frame is also provided with a limit tooth groove for limiting the rotation of the connecting rod, the rear driving part is movably connected with an elastic clamping part which is matched with the limit tooth groove, the utility model can drive the front driving part to move by releasing the joint of the connecting rod, the effect of reducing the occupied space is achieved.

Description

Folding pull rod bracket

Technical Field

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

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.

Present case has through the pull rod bracket with its shallow that becomes four wheel work, and the person of facilitating the use drags the line on flat ground, but this type of pull rod bracket is difficult folding to accomodate mostly, and occupation space is big to the place that the ground condition is complicated is used inconveniently like stair and staircase some, and four wheels are located the step of difference, and the fall is not well used for dragging the line.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving foretell problem and providing a folding pull rod bracket, through the joint of removing connecting rod and chassis, the activity of drive portion before the connecting rod drives, and the buckling piece is fixed the connecting rod of adjusting the position, makes folding front drive portion and gyro wheel can not expand when using as normal case and bag, plays the effect that reduces occupation space.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a folding pull rod bracket, includes pull rod bracket, pull rod bracket includes pull rod, chassis, the preceding drive division and the back drive division that are equipped with the gyro wheel respectively, preceding drive division articulates there is the connecting rod with chassis sliding connection, the chassis is equipped with the locating part of restriction connecting rod, the chassis still is equipped with the storage port of accomodating preceding drive division and gyro wheel, back drive division is worn to be equipped with and is rotated the connecting rod of being connected with the chassis, be equipped with the conflict spring of contradicting with back drive division in the chassis, the chassis still is equipped with the spacing tooth's socket of restriction connecting rod pivoted, back drive division swing joint has with spacing tooth's socket complex elasticity fastener.

Through adopting above-mentioned technical scheme, when will accomodate the front drive portion, make the connecting rod remove the restriction through the locating part, make it rotate the folding income containing port with front drive portion, and restrict the connecting rod once more through the locating part, make front drive portion and gyro wheel thereof, in addition, under the trailer state, back drive portion receives the effect of conflict spring and imbeds the spacing tooth's socket of elasticity fastener, it is fixed to make back drive portion, when will regard as normal case and bag to use, then make it break away from the cooperation with spacing tooth's socket through pressing down the elasticity fastener, make back drive portion can rotate suitable angle.

Preferably, the connecting rod is clamped with the underframe, the limiting part comprises two buckling parts and a torsion spring, the two buckling parts are hinged with the underframe, and the buckling parts are mutually clamped to fix the connecting rod.

Through adopting above-mentioned technical scheme, through the joint of relieving connecting rod and chassis, make the connecting rod can drive the activity of front drive portion to fix the connecting rod of adjusting the position through the buckling piece, make folding front drive portion of accomodating and gyro wheel can not expand when using as normal case and bag, play the effect that reduces occupation space.

Preferably, the chassis is provided with a containing groove for containing the pull rod, the pull rod is provided with a moving part with a roller, and the moving part is in rolling connection with the containing groove through the roller.

Through adopting above-mentioned technical scheme, can drive the moving part through the roller and roll in accomodating the inslot along with the pull rod to the pull rod that will accomodate the state can be put into and accomodate the inslot, plays the effect that reduces occupation space.

Preferably, one side of the connecting rod, which is close to the underframe, is provided with a buckle type pipe clamp for limiting the movement of the movable part.

Through adopting above-mentioned technical scheme, can carry out spacingly with the moving part of shallow state through knot formula pipe strap, make pull rod bracket when dilatory luggage, its pull rod can not move about at will.

Preferably, the underframe is symmetrically provided with back clamps for fixing the case, the back clamps are respectively hinged with the underframe, and the back clamps are provided with fasteners which are mutually buckled.

Through adopting above-mentioned technical scheme, can fix case and bag through the fastener of lock each other, prevent that it from droing at the in-process of dragging.

Preferably, the back splint is further provided with a pressing device matched with the fastener, the pressing device comprises a knob, a push plate and a compression spring, the fastener and the push plate are respectively connected with the back splint in a sliding manner, the knob penetrates through the push plate and the fastener and is in threaded connection with the back splint, and the compression spring is sleeved on the knob between the push plate and the fastener.

Through adopting above-mentioned technical scheme, make it promote the push pedal through rotatory knob to contradict the fastener through compression spring, make its case and bag of placing support tightly, prevent that the fastener is not hard up and make case and bag drop at the in-process of dragging.

Preferably, the front driving part is also hinged with a movable opening hand lever.

Through adopting above-mentioned technical scheme, conveniently use directly when dragging as normal case and bag through articulated handspike.

Preferably, the main material of the pull rod bracket is nano carbon composite fiber.

By adopting the technical scheme, the nanoscale carbon composite fiber is light in weight and high in strength, and the service life of the pull rod bracket can be greatly prolonged.

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

firstly, the movement of the connecting rod is controlled through the limiting part to control the folding or unfolding of the front driving part, and the rear driving part is separated from the matching with the limiting tooth groove by pressing the elastic clamping piece, so that the rear driving part can rotate to a proper angle to realize the state change of the pull rod bracket;

secondly, the connecting rod can drive the front driving part to move by releasing the clamping connection between the connecting rod and the underframe, and the connecting rod with the adjusted position is fixed by the buckling piece, so that the folded and stored front driving part and the roller thereof cannot be unfolded when used as a normal case, and the effect of reducing the occupied space is achieved;

thirdly, the movable piece and the pull rod can be driven to roll in the accommodating groove through the roller, so that the pull rod in the accommodating state can be placed in the accommodating groove, and the effect of reducing the occupied space is achieved;

fourthly, the movable part in the trolley state can be limited through the buckle type pipe clamp, so that the pull rod cannot move freely when the pull rod bracket pulls the luggage;

fifthly, the case can be fixed through the mutually buckled fasteners, so that the case is prevented from falling off in the dragging process;

sixthly, the push plate is pushed by the rotating knob, and the compression spring is abutted to the fastener, so that the luggage placed in the push plate is abutted tightly, and the fastener is prevented from loosening to enable the luggage to fall off in the dragging process.

Drawings

FIG. 1 is a first schematic view of a folding brace bracket;

FIG. 2 is a second schematic structural view of the folding drawbar bracket;

FIG. 3 is a partial cross-sectional view of the undercarriage at the tie bar;

FIG. 4 is a top view of the undercarriage at a tie bar;

FIG. 5 is a schematic view of a fastener;

FIG. 6 is a cross-sectional view of the hold-down device;

fig. 7 is a structural schematic diagram of the buckle type pipe clamp.

Reference numerals: 1. a pull rod; 2. a movable member; 3. a roller; 4. back clamping; 5. a knob; 6. a fastener; 7. a connecting rod; 8. a receiving opening; 9. a fastener; 10. a connecting rod; 11. a handle; 12. buckling a pipe clamp; 13. A receiving groove; 14. a limiting tooth socket; 15. the elastic clamping piece; 16. against the spring; 17. a torsion spring; 18. A compression spring; 19. a push plate.

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.

The utility model provides a folding pull rod bracket, as shown in fig. 1-7, including the pull rod bracket, the pull rod bracket includes pull rod 1, the chassis, be equipped with the front drive portion and the back drive portion of gyro wheel respectively, front drive portion articulates there is connecting rod 10 with chassis sliding connection, the chassis is equipped with the locating part of restriction connecting rod 10, the chassis still is equipped with the storage port 8 of accomodating front drive portion and gyro wheel, back drive portion wears to be equipped with and rotates the connecting rod 7 of being connected with the chassis, be equipped with the conflict spring 16 of contradicting with back drive portion in the chassis, the chassis still is equipped with restriction connecting rod 7 pivoted spacing tooth's socket 14, back drive portion swing joint has and spacing tooth's socket 14 complex elasticity fastener 15.

When the pull rod bracket is used as a trolley to drag on a flat ground, firstly, the rear driving part is rotated along the connecting rod 7, so that the elastic clamping piece 15 is close to the limiting tooth groove 14, the rear driving part is acted by the abutting spring 16, and the elastic clamping piece 15 is pushed to embed the connecting rod 7 into the limiting tooth groove 14, so that the rear driving part is fixed at a proper angle. And because the connecting rod 10 is connected with the underframe in a clamping way, the limiting part comprises two fasteners 6 and a torsion spring 17 which are hinged with the underframe, the fasteners 6 can be mutually connected in a clamping way, the two fasteners 6 are rotated to be closed and fastened to clamp and fix the connecting rod 10, and the sliding connecting rod 10 can be fixed at a proper position. In addition, the chassis is equipped with the groove 13 of accomodating pull rod 1, and pull rod 1 is equipped with the moving part 2 of taking roller 3, when will take out pull rod 1 from the chassis, drives moving part 2 through roller 3 and makes pull rod 1 slide to the position that is close to connecting rod 10, because connecting rod 10 is equipped with the knot formula pipe strap 12 of restriction moving part 2 activity near one side of chassis, imbeds the opening of knot formula pipe strap 12 with moving part 2, and the rethread hasp carries out the lock, makes moving part 2 fixed knot formula pipe strap 12 in.

When the pull rod bracket is used as a normal luggage and dragged or folded on a narrow and rugged occasion, after the hasp is separated, the buckle type pipe clamp 12 releases the limitation on the moving part 2, the roller 3 rolls along the accommodating groove 13, and the pull rod 1 is accommodated into the accommodating groove 13 along with the moving part 2 and the roller 3; then the buckling of the buckling piece 9 is released, so that the connecting rod 10 of the front driving part can be close to the chassis to slide and be clamped with the chassis, the front driving part rotates around the connecting rod 10, the front driving part and the roller thereof are folded and contained in the containing opening 8, and the movable piece 2 is clamped and fixed by the closing and clamping of the buckling piece 6.

Secondly, the chassis symmetry is equipped with the back splint 4 of fixed case and bag, back splint 4 is articulated with the chassis respectively, back splint 4 is equipped with the fastener 9 of lock mutually, back splint 4 still is equipped with fastener 9 complex closing device, closing device includes knob 5, push pedal 19 and compression spring 18, fastener 9 and push pedal 19 respectively with back splint 4 sliding connection, knob 5 passes push pedal 19 and fastener 9, and with back splint 4 threaded connection, compression spring 18 cover is established on push pedal 19 and fastener 9 between knob 5. When the case is placed at the chassis, the hinged back clamp 4 is rotated to enable the fastener 9 to be buckled and fixed with the case, the knob 5 is rotated to enable the knob 5 to push the push plate 19 to push the fastener 9 against the collision effect of the compression spring 18, the fastener 9 is compressed by the elastic force of the compression spring 18 to prevent the case from falling off in the dragging process. The front driving part is also hinged with a movable opening hand lever 11, and the hand lever 11 is convenient to be directly used when being used as a normal case to be dragged.

The main material of the pull rod bracket is nano carbon composite fiber, the carbon fiber has the characteristics of high temperature resistance, friction resistance, electric conduction, heat conduction, corrosion resistance and the like, and the graphite microcrystalline structure of the pull rod bracket is preferentially oriented along the fiber axis, so that the pull rod bracket has high strength and modulus along the fiber axis direction. The carbon fibers have a low density and thus a high specific strength and a high specific modulus. The carbon fiber is mainly used as a reinforcing material to be compounded with resin, metal, ceramic, carbon and the like to manufacture an advanced composite material.

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 (8)

1. The utility model provides a folding pull rod bracket, includes pull rod (1) bracket, pull rod (1) bracket includes pull rod (1), chassis, the preceding drive division and the back drive division that are equipped with the gyro wheel respectively, its characterized in that: the utility model discloses a motor vehicle, including preceding drive division, front drive portion, chassis, back drive portion, front drive portion, back drive portion, front drive portion, back.

2. A folding tie bar bracket according to claim 1, wherein: the connecting rod (10) is clamped with the underframe, the limiting part comprises two buckling pieces (6) and a torsion spring (17), the two buckling pieces are hinged with the underframe, and the buckling pieces (6) are mutually clamped to fix the connecting rod (10).

3. A folding tie bar bracket according to claim 2, wherein: the chassis is equipped with accomodate groove (13) of pull rod (1), pull rod (1) is equipped with moving part (2) of taking roller (3), moving part (2) are through roller (3) and accomodate groove (13) roll connection.

4. A folding tie bar bracket according to claim 3, wherein: and a buckle type pipe clamp (12) for limiting the movement of the moving part (2) is arranged on one side of the connecting rod (10) close to the bottom frame.

5. A folding tie bar bracket according to claim 1, wherein: the luggage rack is characterized in that back clamps (4) for fixing the luggage are symmetrically arranged on the underframe, the back clamps (4) are hinged to the underframe respectively, and fasteners (9) which are mutually buckled are arranged on the back clamps (4).

6. A folding stay bracket as claimed in claim 5, wherein: back splint (4) still are equipped with fastener (9) complex closing device, closing device includes knob (5), push pedal (19) and compression spring (18), fastener (9) and push pedal (19) respectively with back splint (4) sliding connection, push pedal (19) and fastener (9) are passed in knob (5), and with back splint (4) threaded connection, compression spring (18) cover is established on knob (5) between push pedal (19) and fastener (9).

7. A folding tie bar bracket according to claim 3, wherein: the front driving part is also hinged with a movable opening hand lever (11).

8. A folding tie bar bracket according to claim 1, wherein: the main body material of the pull rod (1) bracket is nano carbon composite fiber.

Images