CN220832202U

CN220832202U - Case drawbar with automatic extending function

Info

Publication number: CN220832202U
Application number: CN202322453132.7U
Authority: CN
Inventors: 陆贇飞
Original assignee: ZHEJIANG YUANCHUANG ELECTRONIC TECHNOLOGY CO LTD
Current assignee: ZHEJIANG YUANCHUANG ELECTRONIC TECHNOLOGY CO LTD
Priority date: 2023-09-08
Filing date: 2023-09-08
Publication date: 2024-04-26
Anticipated expiration: 2033-09-08

Abstract

The utility model discloses a luggage pull rod with an automatic stretching function, which comprises a box body, wherein a pull rod cavity is formed in the back surface of the box body, a pull rod is installed in the pull rod cavity, the bottom of the pull rod is fixedly connected with a matching rod, the bottom of the matching rod is connected with an elastic telescopic component for enabling the pull rod to stretch out automatically, a locking device for locking and limiting the vertical movement of the matching rod is arranged on the side surface of the matching rod, an unlocking groove and a pressing groove are formed in the back surface of the box body, an unlocking slide block is arranged in the unlocking groove, the unlocking slide block is in sliding connection with the box body and is connected with the locking device for sliding unlocking locking of the locking device, and a pressing rod is arranged in the pressing groove and is connected with the matching rod for driving the matching rod to move downwards; the luggage pull rod with the automatic stretching function can enable a user to operate the luggage pull rod through feet without bending down, and can stretch out the luggage pull rod automatically and retract the pull rod into the luggage body, so that the user does not need to bend down in the whole operation process, and the luggage pull rod is convenient for the user difficult to bend down to operate.

Description

Case drawbar with automatic extending function

Technical Field

The utility model relates to the technical field of case pull rods, in particular to a case pull rod with an automatic extending function.

Background

The existing draw-bar box through groove is provided with a telescopic draw bar at the back of the box body, when the draw bar box is not used, the draw bar can be pulled out of the box body by pressing a button at the top of the draw bar when the draw bar box is not used, a user generally needs to bend down to pull the draw bar when the draw bar extends out of the box body, but for some user groups with inconvenient actions (such as difficult bending down), the operation is inconvenient, the user may need to pull the draw bar under the squatting condition, and great trouble is caused, so the user groups with inconvenient actions need to be designed and researched for the case draw bar with the function of automatically extending.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the luggage pull rod with the automatic extension function, which can ensure that a user does not need to bend down, and can operate the luggage pull rod by feet to automatically extend and retract the pull rod into the luggage, so that the user does not need to bend down in the whole operation process, and the luggage pull rod is convenient for the user difficult to bend down to operate.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a case and bag pull rod with automatic function of stretching out, includes the box, the inside pull rod chamber that is provided with in box back, the pull rod is installed to the pull rod intracavity, pull rod bottom fixedly connected with cooperation pole, cooperation pole bottom is connected with the elastic expansion subassembly that is used for making the pull rod stretch out automatically, and the side of cooperation pole is provided with the locking device who is used for locking restriction cooperation pole vertical movement, the box back is provided with unlocking groove and pushes down the groove, be provided with unlocking slider in the unlocking groove, unlocking slider and box sliding connection and be connected with locking device for the locking of locking device is untied in the slip, be provided with the depression bar down in the depression groove, the depression bar is connected with the cooperation pole for drive cooperation pole downwardly moving.

Further the bottom in pull rod chamber is provided with first spring chamber, elasticity flexible subassembly includes dead lever and first spring, dead lever one end is located first spring intracavity, and the other end stretches into the pull rod intracavity, the cooperation pole suit in the outside of dead lever and with the vertical sliding connection of dead lever, first spring suit is located the one end department in first spring chamber in the dead lever, first spring one end offsets with first spring chamber bottom, and the other end offsets with the cooperation pole.

Further locking device includes U-shaped locking frame, second spring, sliding block and connecting rod, the pull rod chamber is provided with the second spring chamber for unlocking the opposite side of groove, sliding block and second spring all are located the second spring intracavity, and sliding block and second spring chamber sliding connection, U-shaped locking frame pass through the connecting rod respectively with sliding block and unlocking slider fixed connection, the cooperation pole outside is provided with the locking annular, U-shaped locking frame can block into the locking annular in realizing the locking.

The lower pressure rod is hinged with the matching rod, and a turnover rod which is perpendicular to the lower pressure rod is arranged on the lower pressure rod.

Further be provided with the hidden groove on the cooperation pole, the depression bar articulates with hiding the inslot down to the depression bar can overturn and lie in the hidden inslot completely.

Further, a plurality of friction stripes are arranged on the same side surface of the unlocking slide block, which is positioned on the back surface of the box body.

The pull rod is a telescopic pull rod.

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

According to the utility model, the pull rod, the matching rod, the locking device, the elastic telescopic component, the unlocking sliding block and the pressing rod are arranged, so that when a case needs to be taken, only the unlocking sliding block is kicked by feet, the locking device is used for unlocking the matching rod, and the pull rod automatically stretches out of the case under the action of the elastic telescopic component, so that a user can grasp the pull rod without bending down, and then the telescopic extraction of the pull rod is carried out, thereby providing convenience for a user group with inconvenient actions (bending down is more difficult); meanwhile, when the pull rod is retracted into the box body, the pull rod is only required to be turned over and then is pushed down to drive the pull rod to retract into the box body, and bending operation is not required, so that the box is more convenient.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

FIG. 1 is a schematic view of the structure of the back of a case;

FIG. 2 is a schematic view of the structure of the inside of the back of the case;

FIG. 3 is a schematic view of a partial structure of a mating lever;

fig. 4 is a schematic structural view of the U-shaped locking frame.

Marked in the figure as: 1. a case; 2. pressing down the groove; 3. unlocking grooves; 4. pressing down a rod; 5. unlocking the sliding block; 6. a pull rod cavity; 7. a pull rod; 8. a mating lever; 9. hiding the groove; 10. turning over the rod; 11. a second spring chamber; 12. a second spring; 13. a connecting rod; 14. a U-shaped locking frame; 15. a locking ring groove; 16. a first spring chamber; 17. a fixed rod; 18. a first spring.

Detailed Description

In the description of the present utility model, it should be noted that, for the azimuth words such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, only for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and should not be construed as limiting the specific protection scope of the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such feature, and in the description of the present utility model, the meaning of "a number", "a number" is two or more, unless otherwise specifically defined.

The utility model provides a case and bag pull rod 7 with automatic function of stretching out, includes box 1, box 1 back inside is provided with pull rod chamber 6, install pull rod 7 in the pull rod chamber 6, pull rod 7 bottom fixedly connected with cooperation pole 8, cooperation pole 8 bottom is connected with the elastic expansion subassembly that is used for making pull rod 7 automatic stretching out, and the side of cooperation pole 8 is provided with the locking device who is used for locking restriction cooperation pole 8 vertical movement, box 1 back is provided with unlocking slot 3 and pushes down groove 2, be provided with unlocking slider 5 in the unlocking slot 3, unlocking slider 5 and box 1 sliding connection are connected with locking device for the locking of locking device is untied in the slip, be provided with down the depression bar 4 in the push down groove 2, down the depression bar 4 is connected with cooperation pole 8 for drive cooperation pole 8 and move down.

In this embodiment, preferably, the bottom of the pull rod cavity 6 is provided with a first spring cavity 16, the elastic telescopic component includes a fixing rod 17 and a first spring 18, one end of the fixing rod 17 is located in the first spring cavity 16, the other end of the fixing rod extends into the pull rod cavity 6, the matching rod 8 is sleeved on the outer side of the fixing rod 17 and is vertically slidably connected with the fixing rod 17, the first spring 18 is sleeved on one end of the fixing rod 17 located in the first spring cavity 16, one end of the first spring 18 abuts against the bottom of the first spring cavity 16, and the other end of the first spring 18 abuts against the matching rod 8.

In this embodiment, preferably, the locking device includes a U-shaped locking frame 14, a second spring 12, a sliding block and a connecting rod 13, the other side of the pull rod cavity 6 opposite to the unlocking slot 3 is provided with a second spring cavity 11, the sliding block and the second spring 12 are both located in the second spring cavity 11, and the sliding block is slidably connected with the second spring cavity 11, the U-shaped locking frame 14 is fixedly connected with the sliding block and the unlocking slide 5 respectively through the connecting rod 13, a locking ring groove 15 is provided on the outer side of the mating rod 8, and the U-shaped locking frame 14 can be clamped into the locking ring groove 15 to realize locking.

In this embodiment, preferably, the pressing rod 4 is hinged to the mating rod 8, and the pressing rod 4 is provided with a flipping rod 10 vertically arranged with respect to the pressing rod 4.

In this embodiment, preferably, the mating rod 8 is provided with a hiding groove 9, the pressing rod 4 is hinged to the hiding groove 9, and the pressing rod 4 can be completely located in the hiding groove 9 in a turnover mode.

In this embodiment, preferably, the unlocking slide block 5 is provided with a plurality of friction stripes on the same side surface of the back surface of the case 1.

In this embodiment, preferably, the pull rod 7 is a telescopic pull rod 7.

The working process comprises the following steps:

when the luggage pull rod 7 needs to be taken, the luggage is firstly leaned against a fixed position on one side, then the unlocking slide block 5 is kicked by feet to enable the unlocking slide block 5 to move, and then the U-shaped locking frame 14 is driven to move, so that the U-shaped locking frame 14 extends out of the locking ring groove 15, then the matching rod 8 automatically slides upwards under the elastic force of the first spring 18, the pull rod 7 is driven to extend out of the top of the luggage, and the automatic extension of the pull rod 7 is realized without bending down by a user to take and extend;

When the pull rod 7 needs to be folded back into the box body 1, the turning rod 10 is firstly broken by a foot, so that the lower pressure rod 4 turns over from the hidden groove 9, the lower pressure rod 4 is finally in a vertical state with the matching rod 8, then the lower pressure rod 4 is stepped down by the foot, the lower pressure rod 4 drives the matching rod 8 and the pull rod 7, the pull rod 7 is retracted into the box body 1, and meanwhile, after the pull rod 7 is retracted, the U-shaped locking frame 14 automatically rebounds into the locking ring groove 15 to lock the matching rod 8 and the pull rod 7, so that automatic locking is realized.

According to the utility model, the pull rod 7, the matching rod 8, the locking device, the elastic telescopic component, the unlocking sliding block 5 and the pressing rod 4 are arranged, so that when a case needs to be taken, only the unlocking sliding block 5 is needed to be kicked by feet, the locking device is used for unlocking the matching rod 8, and the pull rod 7 automatically stretches out of the case under the action of the elastic telescopic component, so that a user can grasp the pull rod 7 without bending down, and then the telescopic extraction of the pull rod 7 is carried out, thereby providing convenience for a user group with inconvenient actions (bending down is more difficult); meanwhile, when the pull rod 7 is retracted into the box body 1, the push rod 4 is only required to be turned over, and then the push rod 4 is stepped down to drive the pull rod 7 to retract into the box body 1, so that bending operation is not required, and convenience is achieved.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a case and bag pull rod with automatic function of stretching out which characterized in that: including the box, the inside pull rod chamber that is provided with in the box back, the pull rod is installed to the pull rod intracavity, pull rod bottom fixedly connected with cooperation pole, cooperation pole bottom is connected with the elastic expansion subassembly that is used for making the pull rod stretch out automatically, and the side of cooperation pole is provided with the locking device who is used for locking restriction cooperation pole vertical movement, the box back is provided with unlocking groove and pushes down the groove, be provided with the unblock slider in the unlocking groove, unblock slider and box sliding connection and be connected with locking device for the locking of locking device is untied in the slip, be provided with down the depression bar in the push down the groove, the depression bar is connected with the cooperation pole for drive cooperation pole downwardly moving.

2. A luggage pull rod with automatic extending function according to claim 1, wherein: the bottom in pull rod chamber is provided with first spring chamber, elasticity flexible subassembly includes dead lever and first spring, dead lever one end is located first spring intracavity, and the other end stretches into the pull rod intracavity, the cooperation pole suit in the outside of dead lever and with the vertical sliding connection of dead lever, first spring suit is located the one end department in first spring chamber in the dead lever, first spring one end offsets with first spring chamber bottom, and the other end offsets with the cooperation pole.

3. A luggage pull rod with automatic extending function according to claim 2, characterized in that: the locking device comprises a U-shaped locking frame, a second spring, a sliding block and a connecting rod, wherein the second spring cavity is formed in the other side of the pull rod cavity, opposite to the unlocking groove, of the pull rod cavity, the sliding block and the second spring are both located in the second spring cavity, the sliding block is in sliding connection with the second spring cavity, the U-shaped locking frame is fixedly connected with the sliding block and the unlocking sliding block through the connecting rod respectively, a locking ring groove is formed in the outer side of the matching rod, and the U-shaped locking frame can be clamped into the locking ring groove to realize locking.

4. A luggage pull rod with automatic extending function according to claim 3, wherein: the lower pressure bar is hinged with the matching bar, and a turnover bar which is vertically arranged with the lower pressure bar is arranged on the lower pressure bar.

5. The luggage pull rod with automatic extending function according to claim 4, wherein: the cooperation pole is last to be provided with hiding the groove, the depression bar articulates with hiding the inslot down to the depression bar can overturn and lie in hiding the inslot completely.

6. The luggage pull rod with automatic extending function according to claim 5, wherein: the unlocking slide block is provided with a plurality of friction stripes at the same side surface of the back surface of the box body.

7. A luggage pull rod with automatic extending function according to claim 1, wherein: the pull rod is a telescopic pull rod.