CN112006409A

CN112006409A - Luggage pull rod

Info

Publication number: CN112006409A
Application number: CN202010990187.XA
Authority: CN
Inventors: 邓雅欣
Original assignee: Hunan Sanjun Industry And Trade Co ltd
Current assignee: Hunan Sanjun Industry And Trade Co ltd
Priority date: 2020-09-19
Filing date: 2020-09-19
Publication date: 2020-12-01

Abstract

The invention discloses a luggage pull rod, which comprises telescopic loop bars arranged on two sides and telescopic rods connected in the telescopic loop bars on the two sides in a sliding manner, wherein one ends of the telescopic links on the two sides are fixedly connected with a pull rod handle, a pressing plate is arranged in the pull rod handle, racks are arranged in the telescopic loop bars on the two sides, one ends of the telescopic links are rotatably connected with gears, a brake block is arranged above the gears, a transmission rod is inserted in the telescopic links and fixedly connected between the brake block and the pressing plate, a reset spring is sleeved on the transmission rod, one end of the reset spring is fixedly connected to the lower end of the pressing plate, the other end of the reset spring is fixedly connected to the bottom of an inner cavity of the pull rod handle, a sleeve is arranged above the pressing plate, a notch is arranged at the lower end of the sleeve, a button is inserted. Compared with the prior art, the invention has the advantages that the telescopic length can be adjusted at will, the requirements of users are met, and the weight of the luggage can be shared for the users.

Description

Luggage pull rod

Technical Field

The invention relates to the technical field of pull rods, in particular to a luggage pull rod.

Background

The luggage is a tool which is very commonly used in daily life of people, in particular to the luggage with the pull rod. Have the pull rod on the existing market and generally constitute including handle, fixed pipe and flexible removal pipe, wherein fixed pipe and flexible removal are provided with the location structure who uses when being used for restricting flexible removal pipe adjustment pull rod length between managing, and this location structure generally is through being provided with lug and the draw-in groove of mutually supporting chucking location on fixed pipe and flexible removal pipe respectively. Although this kind of draw-bar box that adopts the location structural style of lug and draw-in groove can also realize the regulation to draw-bar length, because the draw-in groove in the draw-bar is the interval setting, therefore lead to draw-bar box not fine according to user's needs to adjust to a user and use the most comfortable draw-bar length, when the user passes through draw-bar pulling case and bag and removes, can bear the weight of a most case and bag, current case and bag pull rod can't share this part weight for the user.

Disclosure of Invention

The invention aims to overcome the defects and provide a luggage pull rod which can randomly adjust the telescopic length, meet the requirements of users and share the weight of the luggage for the users.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: a luggage pull rod comprises a telescopic loop rod and a telescopic rod, wherein the two sides of the telescopic loop rod are arranged in a mutually corresponding mode, the telescopic rod is connected in the telescopic loop rod in the two sides in a sliding mode, one end of the telescopic rod is fixedly connected with a pull rod handle, a pressing plate is arranged in the pull rod handle, a rack is arranged on the inner wall of one side in the telescopic loop rod on the two sides, one end, away from the pull rod handle, of the telescopic rod is rotatably connected with a gear meshed with the rack, a brake block is arranged above the gear, a convex tooth meshed with the gear is arranged on the bottom surface of the brake block, a transmission rod is inserted in the telescopic rod and fixedly connected between the brake block and the pressing plate, a reset spring is sleeved at the end, close to the pressing plate, of the transmission rod, one end of the reset spring is fixedly connected to the lower end of the pressing plate, the telescopic sleeve is characterized in that a button is inserted in the sleeve, the lower end of the button is provided with clamping blocks, two sides of the clamping blocks correspond to each other and are matched with the notches, hinged frames formed by vertical plates on two sides are arranged on the telescopic sleeve rods, fixing bolts are arranged on the outer sides of the hinged frames, supporting legs are hinged in the hinged frames, and idler wheels are arranged at the lower ends of the supporting legs.

Compared with the prior art, the invention has the advantages that: when the length of the pull rod needs to be adjusted, the button is firstly screwed, the clamping block slides into the notch of the sleeve under the elastic force of the reset spring, the brake block is driven by the transmission rod to be separated from the gear to move upwards, the pull rod is in an adjustable state at the moment, the gear can slide up and down along the rack in the telescopic sleeve under the condition without brake block braking, after the length required by a user is adjusted, the button is pressed to the bottom and is rotated to enable the clamping block to be separated from the notch, meanwhile, the button presses the pressing plate to press the brake block onto the gear through the transmission rod, the pull rod is in a locking state at the moment and cannot be adjusted in a telescopic mode, telescopic adjustment of any length can be achieved, the requirement of the user is met, in the process of pulling the luggage box, the supporting legs are adjusted to the ground to serve as front wheels.

As an improvement, a guide groove arranged along the length direction is formed in the telescopic sleeve rod, a sliding rod matched with the guide groove is arranged on the telescopic rod, and the pull rod is more stable in telescopic process under the guide of the guide groove.

As the improvement, the upper end of the button is provided with a pull ring, the button can be more conveniently pressed and rotated through the pull ring, and the adjustment is more convenient.

As an improvement, the handle of the pull rod is provided with the anti-skidding sleeve, so that the pulling friction force is increased, and the luggage case can be pulled more conveniently.

As an improvement, the telescopic sleeve rods are provided with elastic clamping grooves matched with the supporting legs, and the supporting legs can be installed in the elastic clamping grooves when not in use.

Drawings

Fig. 1 is a schematic view of the structure of a luggage pull rod of the invention.

Fig. 2 is a schematic view of the adjustable luggage pull rod of the present invention.

Fig. 3 is a schematic view of the case and bag of the present invention in a locked state.

FIG. 4 is a schematic view of the use state of the luggage pull rod support leg of the present invention.

Fig. 5 is a schematic view of the structure of a luggage pull rod button and a sleeve of the invention.

As shown in the figure: 1. telescopic loop bar, 2, telescopic link, 3, pull rod handle, 4, rack, 5, gear, 6, brake block, 7, transmission rod, 8, clamp plate, 9, sleeve, 10, button, 11, fixture block, 12, reset spring, 13, guide way, 14, slide bar, 15, dogtooth, 16, pull ring, 17, antiskid cover, 18, hinged rack, 19, supporting leg, 20, gyro wheel, 21, fixing bolt, 22, elastic clamping groove, 23, breach.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to the attached drawings, the luggage pull rod comprises a telescopic loop bar 1 and a telescopic link 2, wherein two sides of the telescopic loop bar 1 are correspondingly arranged, the telescopic link 2 is slidably connected to the two sides of the inside of the telescopic loop bar 1, one end of the telescopic link 2 at two sides is fixedly connected with a pull rod handle 3, a pressing plate 8 is arranged in the pull rod handle 3, a rack 4 is arranged on the inner wall of one side of the inside of the telescopic loop bar 1 at two sides, one end, away from the pull rod handle 3, of the telescopic link 2 is rotatably connected with a gear 5 meshed with the rack 4, a brake block 6 is arranged above the gear 5, a convex tooth 15 meshed with the gear 5 is arranged on the bottom surface of the brake block 6, a transmission rod 7 is inserted in the telescopic link 2, the transmission rod 7 is fixedly connected between the brake block 6 and the pressing plate 8, a reset spring 12 is sleeved at one end, close to, lie in the clamp plate 8 top in the pull rod handle 3 and be equipped with sleeve 9, sleeve 9 lower extreme is equipped with the breach 23 that both sides correspond each other, it has button 10 to peg graft in the sleeve 9, button 10 lower extreme be equipped with both sides correspond each other and with breach 23 assorted fixture block 11, both sides all be equipped with the articulated frame 18 that comprises the both sides riser on the flexible loop bar 1, the articulated frame 18 outside is equipped with fixing bolt 21, articulated in the articulated frame 18 has supporting leg 19, supporting leg 19 lower extreme is equipped with gyro wheel 20. The telescopic sleeve rod 1 is internally provided with a guide groove 13 arranged along the length direction, and the telescopic rod 2 is provided with a slide rod 14 matched with the guide groove 13.

The upper end of the button 10 is provided with a pull ring 16.

The pull rod handle 3 is provided with an anti-skid sleeve 17.

The telescopic sleeve rod 1 is provided with elastic clamping grooves 22 matched with the supporting legs 19.

When the length of the pull rod needs to be adjusted, firstly, the button 10 is screwed through the pull ring 16, when the fixture block 11 is screwed to the notch 23 below the sleeve 9, the fixture block 11 slides into the notch 23 of the sleeve 9 under the elastic force of the return spring 12, meanwhile, the return spring 12 pulls the press rod to move upwards, the press plate 8 drives the transmission rod 7 to enable the brake block 6 to be separated from the gear 5 to move upwards, at the moment, the pull rod is in an adjustable state, the bottom surface of the brake block 6 is provided with the convex teeth 15 meshed with the gear 5, the gear 5 can slide up and down along the rack 4 in the telescopic sleeve 9 under the condition that the convex teeth 15 are not clamped, after the length required by a user is adjusted, the button 10 is pressed to the bottom through the clamping ring and rotates the button 10 to enable the fixture block 11 to be separated from the notch 23, the button 10 moves downwards to drive the press plate 8 to move downwards to compress the return spring 12, the, the pull rod is in the locking state this moment, can't stretch out and draw back and adjust, can realize the flexible regulation of arbitrary length, satisfy the user demand, at the in-process of pulling suitcase, adjust supporting leg 19 to ground as the front wheel, supporting leg 19 one end is equipped with the pivot, through the pivot articulated with articulated in the frame 18, articulated frame 18 one side is equipped with the fixing bolt 21 that corresponds with the pivot, twist and move fixing bolt 21 and can fix the pivot on the supporting leg 19 under the effect of frictional force, make it unable rotation, help the user to share the weight in some bags and bags through supporting leg 19, user's physical power has been saved.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A luggage pull rod which characterized in that: comprises a telescopic loop bar (1) with two sides arranged in a corresponding way and a telescopic rod (2) connected with the two sides in the telescopic loop bar (1) in a sliding way, wherein the telescopic rod (2) is connected with a pull rod handle (3) in one end in a fixed way, a pressing plate (8) is arranged in the pull rod handle (3), the two sides of the telescopic loop bar (1) are respectively provided with a rack (4) on one inner wall, the telescopic rod (2) is far away from one end of the pull rod handle (3) and is rotationally connected with a gear (5) meshed with the rack (4), a brake block (6) is arranged above the gear (5), the bottom surface of the brake block (6) is provided with a convex tooth (15) meshed with the gear (5), a transmission rod (7) is inserted in the telescopic rod (2), the transmission rod (7) is fixedly connected between the brake block (6) and the pressing plate (8), a reset spring (12) is sleeved on one end, reset spring (12) one end rigid coupling is in clamp plate (8) lower extreme, the other end rigid coupling is in draw bar handle (3) inner chamber bottom, be located in draw bar handle (3) clamp plate (8) top and be equipped with sleeve (9), sleeve (9) lower extreme is equipped with breach (23) that both sides correspond each other, it has button (10) to peg graft in sleeve (9), button (10) lower extreme be equipped with both sides correspond each other and with breach (23) assorted fixture block (11), both sides all be equipped with articulated frame (18) that constitute by the both sides riser on flexible loop bar (1), articulated frame (18) outside is equipped with fixing bolt (21), articulated in articulated frame (18) have supporting leg (19), supporting leg (19) lower extreme is equipped with gyro wheel (20).

2. A luggage drawbar according to claim 1, characterized in that: the telescopic sleeve is characterized in that a guide groove (13) arranged along the length direction is formed in the telescopic sleeve rod (1), and a slide rod (14) matched with the guide groove (13) is arranged on the telescopic rod (2).

3. A luggage drawbar according to claim 1, characterized in that: the upper end of the button (10) is provided with a pull ring (16).

4. A luggage drawbar according to claim 1, characterized in that: the pull rod handle (3) is provided with an anti-skid sleeve (17).

5. A luggage drawbar according to claim 1, characterized in that: the telescopic sleeve rod (1) is provided with elastic clamping grooves (22) matched with the supporting legs (19).