CN212912085U

CN212912085U - Draw-bar mechanism of draw-bar box

Info

Publication number: CN212912085U
Application number: CN202022317932.2U
Authority: CN
Inventors: 陆国方
Original assignee: Jiaxing Yingfang Hardware Co ltd
Current assignee: Jiaxing Yingfang Hardware Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-04-09
Anticipated expiration: 2030-10-19

Abstract

The utility model provides a draw-bar mechanism of draw-bar box, include the telescopic pull rod, establish handle on the pull rod, establish the installation base of pull rod bottom, establish the gyro wheel of installation base both sides, establish the supporting legs in the draw-bar box bottom, the installation base with be equipped with two at least slides between the supporting legs, it has supplementary stabilizer blade to slide on the slide, supplementary stabilizer blade can along flexible around the slide, the case lid bulge of draw-bar box passes through supplementary stabilizer blade supports fixedly. The problem that the trolley case turns over because of placing unstably can be solved, simple structure, it is easy and simple to handle, place stably.

Description

Draw-bar mechanism of draw-bar box

Technical Field

The utility model relates to a case and bag technical field, concretely relates to draw-bar mechanism of draw-bar box.

Background

At present, the draw-bar box is used as a necessary object for business trip, and is widely applied, however, the bottom structure of the existing draw-bar box is basically composed of rollers and supporting legs, and the rollers and the supporting legs are fixedly arranged, when the box is of an expandable structure, because the box cover part can be additionally protruded outwards after expansion, the box is easy to turn forwards in the placing process, and meanwhile, under the condition of no expansion, if the front part or the top part of the box is heavier, the phenomenon of forward and reverse alignment is easy to occur in the placing process through the supporting legs or the rollers, therefore, a mechanism capable of expanding the width of the bottom supporting part is needed, and the condition that the draw-bar box turns forwards under the above conditions is avoided.

Disclosure of Invention

In order to solve certain or some technical problem that exists among the prior art, the utility model provides a draw-bar mechanism of draw-bar box can solve the draw-bar box because of placing the problem that the unstable appearance turned over, simple structure, and is easy and simple to handle, places stably.

For solving the above-mentioned prior art problem, the utility model discloses a following scheme:

the utility model provides a draw-bar mechanism of draw-bar box, includes the telescopic pull rod, establishes handle on the pull rod, establish the installation base of pull rod bottom, establish the gyro wheel of installation base both sides, establish the supporting legs in the draw-bar box bottom, the installation base with be equipped with two at least slides between the supporting legs, it has supplementary stabilizer blade to slide on the slide, supplementary stabilizer blade can along flexible around the slide, the case lid bulge of draw-bar box passes through supplementary stabilizer blade supports fixedly.

Furthermore, the auxiliary supporting leg comprises a support with two supporting points at the bottom and a sliding rod arranged on the support and matched with the sliding seat, arc-shaped transition is adopted between the two supporting points, a groove is formed in the upper end of the support, the top surface of the support forms a protruding structure on two sides through the groove, and the top surface of the support is in contact with the draw-bar box through the protruding structure.

Further, the slide is hollow tube structure, be equipped with the bellied stopper downwards in the slide, the up end of slide bar is equipped with the adjustment tank, the slide bar inserts behind the slide through the stopper with the adjustment tank carries out the regulation of flexible distance.

Furthermore, be equipped with the spacing groove on the support, the one end of slide bar is established the spacing inslot, the slide bar with form the constant head tank between the spacing groove, the one end of slide inserts carry out locking each other fixedly in the constant head tank.

Further, one end of the sliding seat is provided with a circle of clamping ring, the sliding seat is connected with the mounting base in a clamping mode through the clamping ring, positioning through holes are formed in the supporting legs, and the other end of the sliding seat extends out of the positioning through holes and is fixed behind the positioning through holes.

Furthermore, the cross sections of the sliding seat and the sliding rod are rectangular structures, and the bottoms of the sliding seat and the sliding rod are arc-shaped surfaces protruding downwards.

Furthermore, the first groove on the inner side of the support and the second grooves symmetrically arranged on two sides of the first groove are positioned in a circular arc transition area between the two fulcrums, and the auxiliary support legs are pulled out through the first groove.

Further, an arc-shaped reinforcing rib is arranged between the first groove and the second groove.

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

the bottom of the draw-bar box is provided with the rollers, the supporting legs and the auxiliary supporting legs can form at least 6 supporting points, the positions of the supporting points formed by the auxiliary supporting legs can be adjusted, when the box cover of the draw-bar box is outwards expanded to be convex or is easily turned forwards due to weight reasons, the draw-bar box can be supported through the extended auxiliary supporting legs only by pulling the auxiliary supporting legs out of the box cover region along the sliding seat, so that the rollover situation is avoided, the auxiliary supporting legs can also be contracted and hidden under the normal condition, the problem that the existing draw-bar box is overturned due to overlarge box cover region side weight is effectively solved, the structure is simple, the operation is simple and convenient, the placement is stable, the telescopic convenience is realized, the concealment is good, and the attractiveness is high.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an exploded view of the auxiliary support leg 1, the support leg 2 and the sliding base 3;

in the figure: the auxiliary support leg comprises an auxiliary support leg 1, a support leg 2, a sliding seat 3, a handle 4, a pull rod 5, an installation base 6, a roller 7, a limiting block 8, an adjusting groove 9, a sliding rod 10, a second groove 11, a first groove 12, a groove 13, a reinforcing rib 14, a positioning groove 15, a limiting groove 16, a support 17, a positioning through hole 18 and a clamping ring 19.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1 and 2, a draw-bar mechanism of draw-bar box, include telescopic pull rod 5, establish handle 4 on the pull rod 5, establish the installation base 6 of pull rod 5 bottom, establish gyro wheel 7 of installation base 6 both sides, establish at the supporting legs 2 of draw-bar box bottom, installation base 6 with be equipped with two at least slides 3 between the supporting legs 2, it has supplementary stabilizer blade 1 to slide on the slide 3, supplementary stabilizer blade 1 can along slide 3 is flexible from beginning to end, the case lid bulge of draw-bar box passes through supplementary stabilizer blade 1 supports fixedly.

In the actual installation process, the bottom of the draw-bar box is fixed by a draw bar 5, one side of the draw-bar box is fixed by rollers 7 positioned at two sides of an installation base 6 and supporting legs 2 with two supporting legs, an auxiliary supporting leg 1 is fixed at one side of the draw-bar box by a sliding seat 3, the auxiliary supporting leg plays the role of auxiliary supporting by adding the supporting legs, at least 6 supporting points can be formed at the bottom of the draw-bar box by the rollers 7, the supporting legs 2 and the auxiliary supporting leg 1, the draw-bar box is more stable in normal placement, and the supporting point position formed by the auxiliary supporting leg 1 can be stretched back and forth by the sliding seat 3, so that the supporting area is larger, when the box cover of the draw-bar box is outwards expanded to be convex or is easy to turn forwards due to weight, the box cover area of the draw-bar box can be supported by the stretched auxiliary supporting leg 1 only by pulling, thereby the condition of avoiding turning on one's side takes place, supplementary stabilizer blade 1 can also contract under normal conditions moreover and hide, and the effectual current draw-bar box of having solved appears turning over because of the regional overweight too big problem of case lid, simple structure, easy and simple to handle places stably, and flexible convenience is disguised well, and pleasing to the eye degree is high.

The improved structure is characterized in that the auxiliary supporting leg 1 comprises a support 17 and a sliding rod 10, wherein two supporting points are arranged at the bottom of the support 17, the sliding rod 10 is arranged on the support 17 and matched with the sliding seat 3, circular arc transition is adopted between the two supporting points, a groove 13 is arranged at the upper end of the support 17, the top surface of the support 17 forms a protruding structure on two sides through the groove 13, and the top surface of the support 17 is in contact with the draw-bar box through the protruding structure.

Supplementary stabilizer blade 1 comprises support 17 and two slide bars 10, slide bar 10 sliding connection is on slide 3, the structure is simpler when flexible, and be the convex design of undercut in the middle of the bottom of support 17, thereby make support 17 bottom form two fulcrums, can effectually contact the support to ground, and the upper end of support 17 is equipped with recess 13, the recess is passed through to support 17's top surface and is formed both sides protruding structure, can enough carry out effectual support to the draw-bar box bottom, can reduce area of contact again, thereby it is more convenient to make its flexible under any circumstances, the card phenomenon of dying more is difficult to appear.

The improved structure is characterized in that the sliding seat 3 is of a hollow pipe structure, a limiting block 8 protruding downwards is arranged in the sliding seat 3, an adjusting groove 9 is formed in the upper end face of the sliding rod 10, and the sliding rod 10 is inserted into the sliding seat 3 and then is adjusted in the telescopic distance through the limiting block 8 and the adjusting groove 9.

Slide 3 adopts hollow tube structure, when installing slide bar 10, only need in the insert tube just can realize connecting and flexible control, simple structure and with low costs, well body weight is lighter, and be equipped with downward bellied stopper 8 in slide 3, and the up end of slide bar 10 is equipped with adjustment tank 9, after the assembly, stopper 8 is located adjustment tank 9, when supplementary stabilizer blade 1 is flexible in the front and back, can control its extreme position through adjustment tank 9, avoid it to directly pull down from slide 3.

The improved structure is characterized in that a limiting groove 16 is formed in the support 17, one end of the sliding rod 10 is arranged in the limiting groove 16, a positioning groove 15 is formed between the sliding rod 10 and the limiting groove 16, and one end of the sliding seat 3 is inserted into the positioning groove 15 to be mutually locked and fixed.

The constant head tank 15 on the support 17 is formed by the clearance between slide bar 10 and the spacing groove 16, and when supplementary stabilizer blade 1 contracts on end, the one end of slide 3 just blocks into in the constant head tank 15 to press from both sides through the clamp force and press from both sides tightly fixedly, in order to avoid supplementary stabilizer blade 1 the slip phenomenon to appear, no longer need other locking mechanism, the structure is simpler, and the spacing groove 16 through the indent can also play the effect that alleviates the cost to whole support 17.

The improved structure is characterized in that one end of the sliding seat 3 is provided with a circle of clamping ring 19, the sliding seat 3 is connected with the mounting base 6 through the clamping ring 19 in a clamped mode, the supporting leg 2 is provided with a positioning through hole 18, and the other end of the sliding seat 3 extends out of the positioning through hole 18 and is fixed.

When fixing slide 3, slide 3 is through the 19 joints of snap ring of one end on installation base 6, and the dismouting is more simple and convenient, is difficult for droing in addition, also no longer need fix through the screw, is formed with positioning hole 18 on the supporting legs 2 moreover, and after positioning hole 18 was stretched out to the other end of slide 3, can support the location through positioning hole 18 to it, and stability is high.

Meanwhile, the cross sections of the sliding seat 3 and the sliding rod 10 are of rectangular structures, and the bottoms of the sliding seat 3 and the sliding rod 10 are arc-shaped surfaces protruding downwards.

Slide 3 with the cross-section of slide bar 10 is the rectangle design of bottom arc structure, can play spacing effect through other three sides, and whole rigidity is better, simultaneously, slides through the arcwall face of bottom, and area of contact is bigger than the plane, and stability is higher, slides more in a flexible way.

Furthermore, the machine is characterized in that a first groove 12 is formed in the inner side of the support 17, and second grooves 11 are symmetrically arranged on two sides of the first groove 12, the first groove 12 is located in a circular arc transition area between the two supporting points, and the auxiliary supporting leg 1 is pulled out through the first groove 12; an arc-shaped reinforcing rib 14 is arranged between the first groove 12 and the second groove 11.

When going to the pulling auxiliary leg 1 through the hand, can form a kerve through first recess 12 to it is more convenient to make to pull out, can effectually play the purpose of weight reduction and reduce cost through second recess 11 in addition, in order to avoid support 17's rigidity to supply to lead to the damage, is equipped with arc strengthening rib 14 between first recess 12 and second recess 11, thereby plays the purpose of strengthening support 17 itself.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a draw-bar mechanism of draw-bar box which characterized in that: including the telescopic pull rod, establish handle on the pull rod, establish the installation base of pull rod bottom, establish the gyro wheel of installation base both sides, establish the supporting legs in the draw-bar box bottom, the installation base with be equipped with two at least slides between the supporting legs, it has supplementary stabilizer blade to slide on the slide, supplementary stabilizer blade can along flexible around the slide, the case lid bulge of draw-bar box passes through supplementary stabilizer blade supports fixedly.

2. The draw-bar mechanism of a draw-bar box according to claim 1, wherein: the auxiliary supporting leg comprises a support with two supporting points at the bottom and a sliding rod arranged on the support and matched with the sliding seat, arc-shaped transition is adopted between the two supporting points, a groove is formed in the upper end of the support, protruding structures on two sides are formed on the top surface of the support through the groove, and the top surface of the support is in contact with the draw-bar box through the protruding structures.

3. The draw-bar mechanism of a draw-bar box according to claim 2, wherein: the slide is the hollow tube structure, be equipped with the bellied stopper downwards in the slide, the up end of slide bar is equipped with the adjustment tank, the slide bar inserts pass through behind the slide the stopper with the adjustment tank carries out the regulation of flexible distance.

4. The draw-bar mechanism of a draw-bar box according to claim 3, wherein: the slide bar is characterized in that a limiting groove is formed in the support, one end of the slide bar is arranged in the limiting groove, a positioning groove is formed between the slide bar and the limiting groove, and one end of the slide seat is inserted into the positioning groove to be mutually locked and fixed.

5. The draw-bar mechanism of a draw-bar box according to claim 4, wherein: one end of the sliding seat is provided with a circle of clamping ring, the sliding seat is connected with the mounting base in a clamping mode through the clamping ring, the supporting legs are provided with positioning through holes, and the other end of the sliding seat extends out of the positioning through holes and is fixed.

6. The draw-bar mechanism of a draw-bar box according to claim 4, wherein: the cross section of the sliding seat and the sliding rod is of a rectangular structure, and the bottom of the sliding seat and the bottom of the sliding rod are arc-shaped surfaces protruding downwards.

7. The draw-bar mechanism of a draw-bar box according to claim 6, wherein: the auxiliary support leg comprises a first groove on the inner side of the support and second grooves symmetrically arranged on two sides of the first groove, the first groove is located in a circular arc transition area between two supporting points, and the auxiliary support leg is pulled out through the first groove.

8. The draw-bar mechanism of a draw-bar box according to claim 7, wherein: an arc-shaped reinforcing rib is arranged between the first groove and the second groove.