CN215820066U - Easily-telescopic luggage pull rod with multi-section loop bars - Google Patents

Abstract

The utility model relates to the technical field of bags and bags, and particularly discloses an easily-retractable type bag pull rod with a multi-section loop bar, which comprises a positioning box, a loop bar fixedly connected at the top end of the positioning box, an outer rod connected with the inside of the loop bar in a sliding manner, and an inner rod connected with the inside of the outer rod in a sliding manner, wherein the top end of the inner rod is fixedly connected with a handle, a pedal is arranged outside the positioning box, two side walls of the outer rod are respectively provided with a Z-shaped groove, a Z-shaped block is connected in the Z-shaped groove in a sliding manner, the bottom end of the outer rod is also provided with a convex groove, the top end of the loop bar is provided with a limiting component which can be clamped with two ends of the convex groove, gears are symmetrically and rotatably connected in the convex groove, the top end of the convex groove is connected with a pressing plate in a sliding manner, the bottom end of the pressing plate is fixedly connected with vertical racks which are respectively meshed with the gears, horizontal racks are respectively meshed with horizontal racks, one end of the horizontal racks opposite to each other is fixedly connected with a supporting plate, a clamping rod clamped with the Z-shaped block is arranged in the loop bar, the outer wall of the inner rod is provided with a moving component which can be clamped with the Z-shaped block, the problem of traditional case and bag pull rod long-time use can take place ageing and damage is solved.

Description

Easily-telescopic luggage pull rod with multi-section loop bars

Technical Field

The application relates to the technical field of bags and bags, and particularly discloses an easily-telescopic bag pull rod with a plurality of sections of loop bars.

Background

Along with the continuous improvement of people's quality of life, people are on the way of going out to travel or returning to home, required luggage of carrying is also more and more, consequently more and more people select to utilize the case and bag of various differences to save oneself article at any time when going far away, though current case and bag has all made huge improvement in practicality and aesthetic property, compare old-fashioned case and bag before, present case and bag is more practical also more durable, however, current case and bag are mostly improved on the material, a pull rod for pulling case and bag does not obtain big improvement, most still realize the change of pull rod length simply through the air exchange of pull rod and confined space, but after this type of pull rod is used for a long time, the seal cover that cup joints on the pull rod can take place ageing, just can not play the sealing action afterwards, the pull rod of this case and bag will become invalid.

Therefore, the present invention provides an easily retractable case drawbar with multiple link rods to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the traditional luggage pull rod is aged and damaged after being used for a long time.

In order to achieve the above object, the basic scheme of the utility model provides an easily-retractable case drawbar with a multi-section loop bar, which comprises a positioning box, a loop bar fixedly connected at the top end of the positioning box, an outer bar slidably connected with the inside of the loop bar, and an inner bar slidably connected with the inside of the outer bar, wherein the top end of the inner bar is fixedly connected with a handle, the outside of the positioning box is provided with a pedal, two side walls of the outer bar are respectively provided with a Z-shaped groove, Z-shaped blocks are slidably connected in the Z-shaped grooves, the bottom end of the outer bar is also provided with a convex groove, the top end of the loop bar is provided with a limiting component which can be clamped with two ends of the convex groove, the top end of the convex groove is communicated with the inside of the outer bar, the convex groove is symmetrically and rotatably connected with a gear, the top end of the convex groove is slidably connected with a pressing plate, the bottom end of the pressing plate is fixedly connected with vertical racks respectively meshed with the gear, horizontal racks are respectively meshed with a supporting plate fixedly connected at the opposite ends of the horizontal racks, a clamping rod clamped with the Z-shaped blocks is arranged in the loop bar, the outer wall of the inner rod is provided with a moving component which can be clamped with the Z-shaped block.

The principle and effect of this basic scheme lie in:

1. compared with the prior art, the device has a simple structure and ingenious conception, the traditional pull rod of the existing luggage is improved, and the matching of the sleeve rod, the outer rod and the inner rod replaces the matching of a sealing sleeve of the existing luggage pull rod and the sleeve.

2. When the luggage is pulled by using the luggage pulling device, the movable component can realize the positioning between the inner rod and the outer rod, the length of the inner rod can be independently used, when the luggage needs to be longer, the pedal is stepped by feet, the movable component drives the Z-shaped block to move upwards, the Z-shaped block moves from the lower part of the clamping stick to the upper part of the clamping stick, the outer rod is driven by the inner rod to extend out of the loop rod until the limiting component is clamped with the convex groove, and the whole length of the pull rod comprises the whole length of the inner rod, the whole length of the outer rod and the whole length of the loop rod.

3. When the device is stored and stored, the inner rod is pressed downwards to abut against the pressing plate, the pressing plate moves downwards under the pressure of the inner rod to drive the vertical rack to move downwards, the vertical rack drives the gear to rotate when moving downwards, the gear then drives the horizontal rack to move outwards, the abutting plate fixedly connected to the tail end of the horizontal rack extrudes the limiting component out of the convex groove, and the outer rod can move downwards into the sleeve rod, so that the storage and storage of the device are realized.

Compared with the prior art, the pull rod structure of the traditional luggage is replaced, the existing sealing sleeve and the pipe sleeve are replaced by the matching of the sleeve rod, the outer rod and the inner rod, and the problem that the traditional luggage pull rod is not strong in compression resistance and easy to deform and damage is solved.

Further, the locating box top is equipped with the recess, and the bottom surface is equipped with the lug in the recess, and the handle includes handle, with handle both sides articulated grab handle respectively, the equal symmetry in handle both sides is equipped with the arc wall, the grab handle inner wall all be equipped with arc wall sliding connection's arc rod, the handle bottom is equipped with the fixed slot, the lug can with the fixed slot joint. The grab handle is hinged with the grab handle through the hinge, when the grab handle is grabbed, the grab handle rotates around the hinge, and the arc rod slides out of the arc groove to support the grab handle.

Furthermore, the grip and the grab handle are both provided with anti-skid grains. Prevent the user from skidding when pulling the case and bag, case and bag from droing from the hand.

Furthermore, the limiting assembly comprises a limiting groove arranged at the top end of the loop bar, a limiting rod in sliding connection with the limiting groove and a reset spring fixedly connected to the tail end of the limiting rod. The limiting rod can be ejected out of the limiting groove to the convex groove through the reset spring.

Further, the moving assembly comprises a groove formed in the outer wall of the inner rod and a round rod connected with the groove in a sliding mode, and a pressure spring is fixedly connected between the round rod and the groove. The round stick can be ejected out of the inner rod by the pressure spring.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of an easily retractable case drawbar with multiple link rods according to an embodiment of the present application;

FIG. 2 is a partial schematic view of an easily retractable case drawbar with multiple link rods according to an embodiment of the present application;

fig. 3 shows a partial schematic view of an easily retractable luggage pull rod with multiple sections of loop rods according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The following is further detailed by the specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a positioning box 1, a sleeve 2, an outer rod 3, an inner rod 4, a handle 5, a pedal 6, a Z-shaped block 7, a resisting plate 8 and a pressing plate 9.

An embodiment of an easily-retractable luggage pull rod with multiple sections of loop bars is shown in fig. 1, fig. 2 and fig. 3, and comprises a positioning box 1, two loop bars, a handle 5, two inner bars 4 and two outer bars 3, wherein the top end of the positioning box 1 is bilaterally symmetrically provided with two vertical mounting grooves, the top end of the positioning box 1 is also provided with a groove, the inner bottom surface of the groove is integrally provided with two convex blocks, the top ends of the convex blocks are respectively integrally provided with two Z-shaped blocks 7, the two loop bars are respectively mounted in the mounting grooves through bolts, the top ends of the loop bars are level with the top ends of the mounting grooves, and the two inner bars 4 are respectively mounted on the left side and the right side of the bottom end of the handle 5 through bolts;

a horizontal limiting groove is symmetrically formed in one section, close to the top end, of the loop bar, limiting assemblies are arranged in the limiting grooves, each limiting assembly comprises a limiting bar and a return spring adhered to the back face of the corresponding limiting bar, the other end of each return spring is adhered to the inner wall of the bottom end of the corresponding limiting groove, annular grooves are further formed in the limiting grooves, lantern rings capable of being placed into the annular grooves are adhered to the outer wall of the bottom end of each limiting bar, a convex groove is formed in the bottom end of each outer bar 3, the top end of each convex groove is communicated with the inner cavity of the corresponding outer bar 3, two sides of each convex groove transversely penetrate through the bottom end of the corresponding outer bar 3, two rotating shafts are symmetrically arranged in the convex grooves, a gear is arranged on each rotating shaft, abutting plates 8 are symmetrically arranged on the left side and the right side of each convex groove, a horizontal rack is arranged on the inner side of each abutting plate 8, the horizontal racks are respectively meshed with the adjacent gears, a pressing plate 9 is also arranged on the end face of each convex groove, two vertical racks respectively meshed with the gears are arranged on the lower end face of each pressing plate 9, a boss which can be contacted with the abutting plate 8 is integrally formed at the bottom end of the inner rod 4;

the left side and the right side of the outer rod 3 are both provided with a Z-shaped groove, the Z-shaped grooves penetrate through the inside and the outside of the outer rod 3, a Z-shaped block 7 is further arranged in each Z-shaped groove, the Z-shaped grooves are respectively extended from two ends of each Z-shaped block 7, the left side and the right side of the bottom end of the inner rod 4 are symmetrically provided with a groove, a moving assembly is arranged in each groove and comprises a round stick arranged in each groove, a pressure spring is bonded between each round stick and the end face of each groove, the bottom end of the inner wall of the outer rod 3, the inner wall below the Z-shaped block 7 at the top end of the outer rod 3 and the end face of the inner side of the Z-shaped block 7 are both provided with spherical grooves capable of accommodating the round sticks, a vertical spring is bonded on the end face of the top ends of the Z-shaped blocks 7, and a clamping stick capable of being clamped with the Z-shaped blocks 7 is integrally formed on the inner wall of the loop rod;

the handle 5 comprises a handle and two grab handles, the inner rod 4 is arranged on the left side and the right side of the handle, the bottom of the handle is symmetrically provided with two fixing grooves, the convex block can be placed into the fixing grooves, the side wall of the inner side of each fixing groove is provided with a conical groove which can be connected with the Z-shaped block 7 on the convex block in a clamped mode, the handle is symmetrically provided with two arc-shaped grooves in the front and back, the bottom end of each grab handle is equally divided into the front side and the back side of the handle through hinges, and the grab handles are integrally formed to be provided with arc-shaped sticks which can be respectively arranged in the arc-shaped grooves.

When the utility model is used, firstly, a handle 5 is held, the handle is stressed to slide out of an arc-shaped groove, the handle rotates around the bottom end of the handle through the hinge connection with the handle, then a foot is used for stepping on a pedal 6, the handle 5 is pulled to move upwards, the handle 5 drives an inner rod 4 to move upwards, a round stick at the bottom end of the inner rod 4 falls off from the spherical groove, when the inner rod 4 moves to the top end, the round stick is placed into the spherical groove at the top end of an outer rod 3 again, then the pedal 6 is stepped on again, the round stick falls off from the spherical groove and is placed into the spherical groove of a Z-shaped block 7, the Z-shaped block 7 is driven to move upwards while the Z-shaped block 7 falls off from the lower part of a clamping stick, then a limiting rod is placed into a convex groove to realize the change of three lengths, when the inner rod is not used, the inner rod is pressed downwards 4, the round stick falls off from the spherical groove, the inner rod 4 firstly slides into the outer rod 3 and is contacted with a pressure plate 9, the pressure plate 9 moves downwards to drive a vertical spur rack to be meshed with a gear, the gear rotates to drive the horizontal rack to move outwards, the horizontal rack drives the abutting plate 8 to extrude the limiting rod, and the outer rod 3 falls off from the top end of the loop bar and slides into the bottom end of the loop bar, so that the outer rod can be bundled.

Compared with the prior art, the pull rod structure of the traditional luggage is replaced, the existing sealing sleeve and the pipe sleeve are replaced by the matching of the sleeve rod, the outer rod and the inner rod, and the problem that the traditional luggage pull rod is not strong in compression resistance and easy to deform and damage is solved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims (5)

1. An easily-retractable case drawbar with a plurality of sections of loop bars is characterized by comprising a positioning box and a loop bar fixedly connected at the top end of the positioning box, with the inside sliding connection's of loop bar outer pole and with the inside sliding connection's of outer pole interior pole, interior pole top rigid coupling has the handle, the location incasement is equipped with the footboard, outer pole both sides wall all is equipped with the Z-slot, sliding connection Z-shaped piece in the Z-slot, the outer pole bottom still is equipped with the tongue, the loop bar top is equipped with the spacing subassembly that can with tongue both ends joint, tongue top and the inside intercommunication of outer pole, the tongue rotates the connection to have the gear, tongue top sliding connection has the clamp plate, clamp plate bottom rigid coupling have respectively with gear engagement's vertical rack, still mesh respectively on the gear has horizontal rack, the equal rigid coupling of horizontal rack back to back one end has the board of supporting, be equipped with the card rod with Z-shaped piece joint in the loop bar, interior pole outer wall is equipped with the removal subassembly that can with Z-shaped piece joint.

2. The easily retractable case drawbar with multiple sections of loop bars according to claim 1, wherein the top of the positioning box is provided with a groove, the bottom surface of the groove is provided with a convex block, the handle comprises a handle and a handle hinged with the two sides of the handle respectively, the two sides of the handle are symmetrically provided with arc grooves, the inner wall of the handle is provided with an arc rod connected with the arc grooves in a sliding manner, the bottom end of the handle is provided with a fixed groove, and the convex block can be clamped with the fixed groove.

3. The easily retractable case drawbar with multiple sleeved rods according to claim 2, wherein the grip and the handle are provided with anti-slip lines.

4. The easily retractable case drawbar with multiple sections of loop bars according to claim 1, wherein the limiting component comprises a limiting groove arranged at the top end of the loop bar, a limiting rod connected with the limiting groove in a sliding manner, and a return spring fixedly connected at the tail end of the limiting rod.

5. The easily-retractable case drawbar with multiple sections of loop bars according to claim 1, wherein the moving component comprises a groove arranged on the outer wall of the inner rod and a round rod slidably connected with the groove, and a pressure spring is fixedly connected between the round rod and the groove.

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