CN223979531U

CN223979531U - High-load luggage pull rod

Info

Publication number: CN223979531U
Application number: CN202520692145.6U
Authority: CN
Inventors: 陈良副; 蔡寒娜
Original assignee: Wenzhou Chengyi Luggage Accessories Co ltd
Current assignee: Wenzhou Chengyi Luggage Accessories Co ltd
Priority date: 2025-04-14
Filing date: 2025-04-14
Publication date: 2026-03-10
Anticipated expiration: 2035-04-14

Abstract

This utility model relates to a high-load luggage handle, belonging to the field of luggage technology. It includes a base, an outer tube, an inner tube, a handle, a reinforcing component, and a telescopic component. The outer tube is mounted on the base, the inner tube is movably mounted on the outer tube, the handle is mounted on the inner tube, and the telescopic component is mounted on the inner tube. The reinforcing component includes a reinforcing frame, a support rod, and a stop plate. The reinforcing frame is mounted on the outer tube, the support rod is mounted on the reinforcing frame, and the stop plate is mounted on the end of the outer tube away from the base plate. A connecting hole is provided on the stop plate, and the inner tube is slidably mounted within the connecting hole. This utility model, through its reinforcing component, allows force to be evenly distributed across all components, avoiding damage caused by excessive localized force. This even force distribution makes the handle more stable when carrying heavy objects, enabling it to withstand greater weight and enhancing its overall stability, making it less prone to deformation or damage under high loads.

Description

High-load luggage pull rod

Technical Field

The application relates to the technical field of bags, in particular to a high-load bag pull rod.

Background

The luggage pull rod is one of important accessories of the luggage, the main function of the luggage pull rod is to provide convenience and support for movement of the luggage, the design and the quality of the pull rod directly influence the use experience and the service life of the luggage, the traditional luggage pull rod is of a hollow structure, and the luggage pull rod is easy to deform or damage under the condition of high load although the luggage pull rod is lighter in weight, so that the service life is reduced.

At present, the publication day is 2024, 09 and 27, and the Chinese patent application with publication number CN 221769504U provides a case pull rod, which comprises a mounting rack, a pull rod shell and a handle, wherein a cavity I is formed in the pull rod shell, a tooth block I is fixedly arranged on one side wall of the pull rod shell, the tooth block I is uniformly distributed along the height of the pull rod shell, a main pull rod is arranged in the pull rod shell, a clamping groove is formed in one end, close to the pull rod shell, of the main pull rod, a pull plate is arranged in the pull rod shell, a tooth block II is fixedly arranged at one end, close to the bottom of the main pull rod, of the pull plate, the tooth block II is matched with the clamping groove, a pair of sliding columns are fixedly arranged on one side wall of the pull plate, a pair of arc grooves are formed in one side wall, close to the sliding columns, of the main pull rod can slide back and forth in the arc grooves. According to the utility model, the first tooth block is fixedly arranged on the side wall of one end of the pull rod shell, the second tooth block of the pull plate in the main pull rod can be mutually matched and clamped with the clamping groove between the first tooth block, and the height of the pull rod can be randomly adjusted by pressing the pressing block, so that the application range is enlarged.

The suitcase pull rod in the related art often needs to be expanded at will according to different use scenes and the quantity of carried articles by a user so as to meet the personalized requirements. However, the action of randomly adjusting the length of the pull rod can easily cause the deformation or damage of the pull rod under the condition of facing high load, and the deformation or damage not only affects the normal use of the luggage, reduces the use experience of users, but also greatly shortens the service life of the luggage.

It is therefore necessary to provide a load bag drawbar to solve the above problems.

Disclosure of utility model

The embodiment of the application provides a high-load luggage pull rod, which aims to solve the technical problem that the pull rod is easy to deform or damage under the condition of facing high load in the related technology, and the deformation or damage affects the normal use of the luggage.

The embodiment of the application provides a high-load luggage pull rod, which comprises a base, an outer tube, an inner tube, a handle, a reinforcing component and a telescopic component, wherein the outer tube is arranged on the base, the inner tube is movably arranged on the outer tube, the handle is arranged on the inner tube, the telescopic component is arranged on the inner tube, the reinforcing component comprises a reinforcing frame, a supporting rod and a propping plate, the reinforcing frame is arranged on the outer tube, the supporting rod is arranged on the reinforcing frame, the propping plate is arranged on one end of the outer tube far away from a bottom plate, a connecting hole is formed in the propping plate, and the inner tube is arranged in the connecting hole in a sliding manner.

The technical scheme of the embodiment of the application has the advantages that the reinforced frame is arranged on the outer tube when a user uses the luggage pull rod, the support rod is connected with the reinforced frame, the structure can effectively disperse and bear external force, the overall stability of the pull rod is enhanced, the pull rod is not easy to deform or damage under high load, the abutting plate avoids the user from extruding fingers in the process of downwards stretching the handle, and the use experience of the user is improved.

According to the high-load luggage pull rod provided by the embodiment of the application, the design of the reinforcing component, the reinforcing frame and the supporting rod can ensure that the force can be uniformly distributed on each component when the pull rod is stressed, so that the damage caused by overlarge local stress is avoided.

In some embodiments, a reinforcing block is arranged on one end of the handle close to the inner tube, the reinforcing block is in a right trapezoid shape, and the reinforcing block is made of an aluminum alloy material.

In some embodiments, the reinforcing frame and the supporting rod are made of aluminum alloy materials, and the abutting plate is made of glass fiber resin materials.

In some embodiments, the outer tube is provided with a plurality of abutment holes.

In some embodiments, the telescopic assembly comprises a button, a connecting rod, a compression spring, a supporting rod and a transmission piece, wherein one end of the compression spring is arranged on the handle, the connecting rod is arranged at the other end of the compression spring, the button is arranged at one end of the connecting rod far away from the compression spring, a connecting hole is formed in the handle, the button penetrates through the connecting hole and is movably arranged on the handle, the supporting rod penetrates through the inner tube and is arranged on the connecting rod, and the transmission piece is arranged at one end of the supporting rod far away from the connecting rod.

In some embodiments, the driving medium includes transfer line, slip box, sliding block, butt spring, expansion block and butt strip, the transfer line sets up on the one end that the connecting rod was kept away from to the butt pole, the slip box sets up on the inner tube, set up sharp sliding tray on the slip box, the transfer line slides and wears to establish on sharp sliding tray, the sliding block slides and sets up in the slip box, the butt spring sets up on the slip box, the one end butt that the slip box was kept away from to the butt spring is on the sliding block, the hypotenuse sliding tray has been seted up on the sliding block, the expansion block sets up on the sliding block is kept away from on the one end of butt spring, the butt strip sets up on the one end that the butt pole was kept away from to the transfer line, the butt strip passes sharp sliding tray and hypotenuse sliding tray, makes the sliding block slide in the slip box, the expansion block slides in the butt hole.

In some embodiments, a plurality of reinforcing ribs are disposed within the inner tube.

Drawings

Fig. 1 is a schematic perspective view of a high-load luggage pull rod according to an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a high-load luggage pull rod according to an embodiment of the present application;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a schematic cross-sectional view of a driving member according to an embodiment of the present application;

Wherein, each reference sign in the figure:

1. The base, 11, the outer tube, 111, the abutting hole, 12, the inner tube, 13, the handle, 2, the reinforcing component, 21, the reinforcing frame, 22, the supporting rod, 23, the reinforcing block, 24, the abutting plate, 3, the telescopic component, 31, the button, 32, the connecting rod, 33, the compression spring, 34, the abutting rod, 35, the transmission piece, 351, the transmission rod, 352, the sliding box, 353, the sliding block, 354, the abutting spring, 355, the linear sliding groove, 356, the bevel sliding groove, 357, the telescopic block, 358, the abutting strip, 4 and the reinforcing rib.

Detailed Description

Based on this, in order to improve the technical problem that the pull rod is easily deformed or damaged under the condition of facing high load existing in the related art, the deformation or damage affects the normal use of the luggage, the following scheme is provided in the embodiment of the application.

Referring to fig. 1 to 4, the embodiment of the application provides a high-load luggage pull rod, which comprises a base 1, an outer tube 11, an inner tube 12, a handle 13, a reinforcing component 2 and a telescopic component 3, wherein the outer tube 11 is arranged on the base 1, the inner tube 12 is movably arranged on the outer tube 11, the handle 13 is arranged on the inner tube 12, the telescopic component 3 is arranged on the inner tube 12, and the reinforcing component 2 is arranged on the outer tube 11.

In some embodiments, referring to fig. 1 to 2, the reinforcing component 2 includes a reinforcing frame 21, a supporting rod 22 and an abutting plate 24, the reinforcing frame 21 is disposed on the outer tube 11, the supporting rod 22 is disposed on the reinforcing frame 21, the abutting plate is disposed on an end of the outer tube 11 far away from the bottom plate, a connecting hole is formed on the abutting plate 24, the inner tube 12 is slidably disposed in the connecting hole, a reinforcing block 23 is disposed on an end of the handle 13 near the inner tube 12, the reinforcing block 23 is in a right trapezoid shape, the reinforcing block 23 is made of an aluminum alloy material, the reinforcing frame 21 and the supporting rod 22 are both made of an aluminum alloy material, the abutting plate 24 is made of a glass fiber resin material, and a plurality of reinforcing ribs 4 are disposed in the inner tube 12.

So set up, the user is using the in-process of case and bag pull rod, consolidate frame 21 and install on outer tube 11, bracing piece 22 connects consolidate frame 21, this kind of structure can effectively disperse and bear external force, strengthen the overall stability of pull rod, make it be difficult for deformation or damage under the high load condition, the butt plate avoids the user to use the handle 13 to extrude the finger in-process of stretching out and drawing back downwards, improve user's use experience sense, through using aluminum alloy material, it has high strength, low density and good corrosion resistance, consolidate frame 21 and bracing piece 22 as the main bearing structure of pull rod, aluminum alloy material can bear great pulling force and pressure, keep lighter weight simultaneously, portable. The reinforcing block 23 is arranged at one end of the handle 13 close to the inner tube 12, the right trapezoid shape can better disperse stress, deformation or damage of the handle 13 during stress is avoided, the bending resistance and torsion resistance of the inner tube 12 can be further enhanced by the reinforcing ribs 4 in the inner tube 12, under high load conditions, the inner tube 12 needs to bear larger longitudinal force and transverse force, the inner tube 12 can be effectively prevented from being deformed or bent by the reinforcing ribs 4, stability and reliability of the pull rod are ensured, the glass fiber resin is a high-strength and high-modulus composite material, good wear resistance and impact resistance are achieved, the abutting plate 24 is used as a sliding contact surface of the inner tube 12, abrasion between the inner tube 12 and the abutting plate 24 can be reduced by the glass fiber resin material, and the service life is prolonged. At the same time, its high modulus characteristics ensure that abutment plate 24 remains shape-unchanged when subjected to a force, providing stable sliding support for inner tube 12.

In some embodiments, please refer to fig. 3 to 4 together, a plurality of abutting holes 111 are formed in the outer tube 11, the telescopic component 3 includes a button 31, a connecting rod 32, a compression spring 33, an abutting rod 34 and a transmission member 35, one end of the compression spring 33 is disposed on the handle 13, the connecting rod 32 is disposed on the other end of the compression spring 33, the button 31 is disposed on one end of the connecting rod 32 far away from the compression spring 33, a connecting hole is formed in the handle 13, the button 31 passes through the connecting hole, the movable arrangement is disposed on the handle 13, the abutting rod 34 passes through the inner tube 12 and is disposed on the connecting rod 32, the transmission member 35 is disposed on one end of the abutting rod 34 far from the connecting rod 32, the transmission member 35 includes a transmission rod 351, a sliding box 352, a sliding block 353, an abutting spring 354, a telescopic block 357 and an abutting strip 358, the transmission rod 351 is disposed on one end of the abutting rod 34 far from the connecting rod 32, the sliding box 352 is disposed on the inner tube 12, the transmission rod 351 is slidably disposed on the linear sliding groove 355, the sliding block 353 is disposed in the sliding box 352 is disposed in the connecting rod 352, the abutting rod 352 passes through the linear sliding groove 355, the abutting rod 354 is disposed on one end of the sliding box 352 is disposed on the end of the sliding box 352 far from the linear sliding block 357, the end of the sliding block 353 is disposed on the linear sliding block 356 is far from the linear sliding block 356, and the end of the sliding rod 356 is disposed on the end of the sliding rod 356 is abutting on the end of the linear sliding rod 356 is abutting a long side.

So set up, simultaneously in the telescopic in-process of using flexible subassembly 3, through pressing button 31, button 31 butt connecting rod 32, connecting rod 32 extrusion compression spring 33 warp downwards, the butt pole 34 on the connecting rod 32 slides downwards and supports and press driving piece 35, the driving rod 351 drives butt strip 358 and passes through straight line sliding groove 355, the push down, the sliding block 353 slides in to the slip case 352 through hypotenuse sliding groove 356, extrusion butt spring 354 makes the telescopic block 357 slide out in butt hole 111, handle 13 drives inner tube 12, slide from top to bottom on outer tube 11, when sliding to suitable position, butt spring 354 promotes the sliding block 353 outwards, make telescopic block 357 butt in butt hole 111, the positional relationship between outer tube 11 and the inner tube 12. In this way, through the linkage of a series of parts such as push button 31, connecting rod 32, compression spring 33, driving medium 35, butt strip 358, sliding block 353, hypotenuse sliding groove 356, butt spring 354 and telescopic block 357, the multistage locking of inner tube 12 in outer tube 11 has been realized, this kind of design makes the pull rod can stretch out and draw back in a plurality of fixed positions, the user can be according to own height and habit of use, the length of pull rod is adjusted accurately, comfort and convenience when guaranteeing to use, telescopic assembly 3's design makes the slip of inner tube 12 in outer tube 11 more steady, can not appear rocking or blocking phenomenon, this has promoted the use experience, can also effectively reduce the part wearing and tearing because of flexible unsmooth, the dual design of compression spring 33 and butt spring 357 has guaranteed the firm locking of telescopic block 357 in butt hole 111, when the user adjusts suitable position, the butt spring 354 can promote the sliding block 353 outwards, make telescopic block butt in butt hole 111, thereby the relation between fixed outer tube 11 and the inner tube 12, this kind of design improves the reliability of locking and can also can be kept very well at the flexible locking performance when can's stability is not smooth because of flexible, the flexible can also be carried out at the more stable performance is guaranteed to the flexible and the flexible can not be guaranteed when flexible is smooth to the user is guaranteed.

The high-load luggage pull rod has the implementation principle that a user installs the reinforcing frame 21 on the outer tube 11 in the process of using the luggage pull rod, the supporting rod 22 is connected with the reinforcing frame 21, the structure can effectively disperse and bear external force, the overall stability of the pull rod is enhanced, the pull rod is not easy to deform or damage under high load, the abutting plate avoids the user from extruding fingers in the process of using the handle 13 to stretch downwards, the use experience of the user is improved, the aluminum alloy material has high strength, low density and good corrosion resistance, the reinforcing frame 21 and the supporting rod 22 are used as main supporting structures of the pull rod, and meanwhile, the aluminum alloy material can bear larger tensile force and pressure, keeps lighter weight and is convenient to carry. The reinforcing block 23 is arranged at one end of the handle 13, which is close to the inner tube 12, the right trapezoid shape can better disperse the stress, the deformation or damage of the handle 13 is avoided when the stress is applied, the bending resistance and torsion resistance of the inner tube 12 can be further enhanced by the reinforcing rib 4 in the inner tube 12, under the condition of high load, the inner tube 12 needs to bear larger longitudinal force and transverse force, the inner tube 12 can be effectively prevented from deforming or bending by the reinforcing rib 4, the stability and reliability of the pull rod are ensured, the abrasion between the inner tube 12 and the abutting plate 24 can be reduced by the glass fiber resin material, the service life is prolonged, meanwhile, in the process of stretching and contracting by using the telescopic component 3, the push button 31 abuts against the connecting rod 32, the connecting rod 32 presses the compression spring 33 to deform downwards, the abutting rod 34 on the connecting rod 32 slides downwards to abut against the transmission piece 35, the transmission rod 351 drives the abutting strip 358 to press downwards through the linear sliding groove 355, the sliding block 353 slides inwards the sliding box 352 through the bevel sliding groove 356, the abutting spring 354 is extruded to enable the telescopic block 357 to slide out in the abutting hole 111, the inner tube 13 drives the inner tube 12, and pushes the telescopic block 354 to slide down to the proper position of the sliding block 11, and the abutting rod 353 abuts against the outer tube 111 when the telescopic block 11 is positioned inside the telescopic block 11, and the telescopic block is fixed to the telescopic block 11 is abutted against the outer tube 11.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims

1. The utility model provides a high-load case pull rod, its characterized in that includes base (1), outer tube (11), inner tube (12), handle (13), reinforcement subassembly (2) and flexible subassembly (3), outer tube (11) set up on base (1), inner tube (12) activity sets up on outer tube (11), handle (13) set up on inner tube (12), flexible subassembly (3) set up on inner tube (12), reinforcement subassembly (2) include reinforcement frame (21), bracing piece (22) and butt board (24), the setting of reinforcement frame (21) is on outer tube (11), bracing piece (22) set up on reinforcement frame (21), butt board (24) set up on the one end of outer tube (11) keeping away from the bottom plate, set up the connecting hole on butt board (24), inner tube (12) slip sets up in the connecting hole.

2. The high-load luggage pull rod according to claim 1, wherein a reinforcing block (23) is arranged at one end of the handle (13) close to the inner tube (12), the reinforcing block (23) is in a right trapezoid shape, and the reinforcing block (23) is made of an aluminum alloy material.

3. The high-load luggage pull rod according to claim 2, wherein the reinforcing frame (21) and the supporting rod (22) are made of aluminum alloy materials, and the abutting plate (24) is made of glass fiber resin materials.

4. A high load luggage pull rod as claimed in claim 3, wherein the outer tube (11) is provided with a plurality of abutment holes (111).

5. The high-load luggage pull rod of claim 4, wherein the telescopic component (3) comprises a button (31), a connecting rod (32), a compression spring (33), a supporting rod (34) and a transmission piece (35), one end of the compression spring (33) is arranged on the handle (13), the connecting rod (32) is arranged on the other end of the compression spring (33), the button (31) is arranged on the end, far away from the compression spring (33), of the connecting rod (32), a connecting hole is formed in the handle (13), the button (31) penetrates through the connecting hole and is movably arranged on the handle (13), the supporting rod (34) penetrates through the inner tube (12) and is arranged on the connecting rod (32), and the transmission piece (35) is arranged on the end, far away from the connecting rod (32), of the supporting rod (34).

6. The high-load luggage pull rod according to claim 5, wherein the transmission part (35) comprises a transmission rod (351), a sliding box (352), a sliding block (353), an abutting spring (354), a telescopic block (357) and an abutting strip (358), the transmission rod (351) is arranged at one end of the abutting rod (34) far away from the connecting rod (32), the sliding box (352) is arranged on the inner tube (12), a linear sliding groove (355) is formed in the sliding box (352), the transmission rod (351) is arranged on the linear sliding groove (355) in a sliding mode, the sliding block (353) is arranged in the sliding box (352) in a sliding mode, the abutting spring (354) is arranged on the sliding box (352), one end of the abutting spring (354) far away from the sliding box (352) is abutted against the sliding block (353), a bevel edge sliding groove (356) is formed in the sliding block (353) far away from one end of the abutting spring (354), the telescopic block (357) is arranged at one end of the sliding block (353) far away from the abutting spring (354), the sliding strip (356) is arranged on the sliding box (356) far away from the sliding box (352) in a sliding box (356) in a sliding mode, the bevel edge (356) is arranged on the sliding box (356) far from the sliding box (356) in a sliding box (356), the telescopic block (357) slides in the abutment hole (111).

7. The high-load luggage pull rod according to claim 6, wherein a plurality of reinforcing ribs (4) are arranged in the inner tube (12).