Luggage pull rod

By concealing screws within the luggage handle, the problems of exposed screws affecting aesthetics and being prone to corrosion are solved, resulting in a more aesthetically pleasing and durable handle structure design.

CN223873444UActive Publication Date: 2026-02-06WEIFANG JINYONG AGRICULTURAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520702563.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-02-06
Estimated Expiration
2035-04-15

AI Technical Summary

Technical Problem

In traditional luggage handle structures, exposed screws result in an unsightly appearance, are prone to scratching clothes and rusting, and negatively impact the user experience.

Method used

A luggage handle structure with concealed screws is designed. By setting threaded holes and fixing holes inside the handle tube, the screws are hidden in the inner hole and sealed with a cover plate to prevent the screws from being exposed.

Benefits of technology

It improves the overall appearance and aesthetics of the product, prevents screws from scratching clothes and causing rust, and increases assembly and disassembly efficiency and structural simplification.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of luggage, in particular to a luggage pull rod, which comprises a pull rod cylinder, a plug rod arranged in the pull rod cylinder, an avoiding hole arranged at the side part of the pull rod cylinder and a sleeve, the sleeve penetrates through the avoiding hole and is sleeved on the plug rod, a threaded hole is arranged at the side part of the plug rod, a fixing hole is arranged at the side part of the sleeve, and the position of the fixing hole corresponds to that of the threaded hole. Screws which penetrate through the fixing holes and are screwed in the threaded holes are installed on the sleeves, the screws are located in inner holes of the pull rod barrels, the pull rod barrels penetrate left and right, cover plates for sealing the inner holes of the pull rod barrels are installed at the ends of the pull rod barrels, plugs are arranged on the side faces, close to the pull rod barrels, of the cover plates, and the plugs are tensioned on the walls of the inner holes of the pull rod barrels. According to the luggage pull rod, the screw for connecting the plug rod and the sleeve is hidden in the pull rod cylinder, so that the screw is prevented from being directly exposed outside, the integrity and attractiveness of the appearance of a product are improved, friction and scraping between the screw and clothes and contact with water can be avoided, and the screw is prevented from being rusted.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of luggage, specifically to a luggage pull rod. BACKGROUND

[0002] The luggage is a luggage case with a roller installed at the bottom, and the luggage comprises two hingedly connected case shells, one of which is provided with a guide pipe, the guide pipe is provided with a sleeve pipe, the upper end of the sleeve pipe protrudes out of the case shell, a handle is installed on the upper end of the sleeve pipe, a button switch is installed on the handle, a jacking rod is installed in the sleeve pipe, and a button slider is installed at the lower end of the sleeve pipe, the button slider comprises a base and a mounting seat, the mounting seat is inserted into the lower part of the sleeve pipe, and the base is pressed against the upper end of the sleeve pipe, a limiting pin pushed by a spring is slidably installed in the base, a plurality of pin holes are formed in the guide pipe, the limiting pin on the button slider is inserted into the pin holes, and the button slider refers to the patent document with the application number 201811077043.4 and the name of power-assisted luggage case, when the button switch is pressed, the push rod pushes the jacking rod, the jacking rod pushes the button slider to be unlocked, the limiting pin is retracted into the button slider, and the button slider is separated from the locking of the sleeve pipe, at this time, the sleeve pipe can be pulled out of or pushed into the luggage, and when the button switch is released, the limiting pin is popped out again.

[0003] In the traditional luggage pull rod structure, the connecting part usually adopts an exposed screw fixing mode, which has the following technical defects: first, the external screw is directly exposed on the surface of the pull rod, which not only affects the integrity and appearance of the product, but also is easy to scratch clothes during use, and the exposed screw is easy to contact water, which can cause rust of the screw and affect the later screw disassembly, which needs to be improved. UTILITY MODEL CONTENTS

[0004] The utility model aims at the above problems and provides a luggage pull rod capable of hiding screws.

[0005] To achieve the above purpose, the utility model discloses a luggage pull rod, which comprises a pull rod barrel, a plug rod is installed in the pull rod barrel, a avoiding hole is formed in the side of the pull rod barrel, and the luggage pull rod further comprises a sleeve pipe, the sleeve pipe is sleeved on the plug rod through the avoiding hole, the structure characteristics are that a threaded hole is formed in the side of the plug rod, a fixing hole is formed in the side of the sleeve pipe, the positions of the fixing hole and the threaded hole correspond to each other, a screw is installed on the sleeve pipe and screwed in the threaded hole through the fixing hole, and the screw is located in the inner hole of the pull rod barrel.

[0006] When the screw is installed and disassembled, the screwdriver is inserted into the inner hole of the pull rod barrel, so that the screwdriver contacts the screw, thereby disassembling the screw, the screw is hidden in the pull rod barrel, the exposed screw can be avoided, the product is more beautiful and simple, and the screw can also be prevented from scratching clothes.

[0007] The left and right of the pull rod barrel is penetrated, and the end of the pull rod barrel is provided with a cover plate for closing the inner hole of the pull rod barrel, and the side of the cover plate close to the pull rod barrel is provided with a plug which is tightly expanded on the inner hole wall of the pull rod barrel. The cover plate is connected with the pull rod barrel through the expansion of the plug, and the two ends of the pull rod barrel are closed, so as to prevent foreign matters from entering the pull rod barrel.

[0008] The plug comprises two half plugs which are spaced apart and tightly expanded on the inner hole wall of the pull rod barrel, and the two spaced apart half plugs form elastic support, so that the structure is more compact.

[0009] The side wall of the pull rod barrel is provided with a positioning hole, and the side of the cover plate close to the pull rod barrel is provided with a pull plate which extends towards the pull rod barrel, and the end of the pull plate is provided with a hook which is clamped in the positioning hole. The hook and the positioning hole can realize the quick fixing of the cover plate, and the hook is not easy to be loosened after clamping, so that the additional fastener can be omitted, and the disassembly and assembly efficiency is improved.

[0010] The inner wall of the pull rod barrel is provided with a guide groove which is located on the running path of the hook. The guide groove can guide the hook to be clamped with the positioning hole, and the assembly difficulty is reduced.

[0011] A partition plate is arranged in the pull rod barrel, the partition plate extends left and right, and a partition cylinder is arranged on the upper side of the partition plate, the partition cylinder penetrates the pull rod barrel and is open upward, and a button switch capable of moving up and down is arranged in the partition cylinder. A push rod is arranged in the sleeve, and a button slider is arranged at the lower end of the sleeve. After the button switch is pressed, the push rod pushes the push rod, the push rod pushes the button slider, and the button slider can be unlocked to separate from the limiting of the sleeve. At this time, the sleeve can be pulled out or pushed into the bag.

[0012] A plug rod is arranged at the lower side of the partition plate, a push rod hole is arranged in the plug rod, the push rod hole penetrates the plug rod, and a push rod is arranged on the button switch and can be downwardly protruded through the push rod hole. The push rod can push the push rod, and then the push rod pushes the button slider to be unlocked.

[0013] A spring is arranged in the partition cylinder, one end of the spring abuts against the partition plate, the other end of the spring abuts against the button switch, and a screw is arranged at the lower end of the push rod and abuts against the lower end of the plug rod. The spring can keep the button switch in the state of protruding upward, and at this time, the screw abuts against the lower end of the plug rod, so that the button switch is prevented from continuously protruding upward.

[0014] A positioning hole is arranged on the partition plate, a pull plate is arranged on the side of the cover plate close to the pull rod barrel, the pull plate extends towards the pull rod barrel, and a hook is arranged at the end of the pull plate and clamped in the positioning hole. The positioning hole on the partition plate provides an additional fixing point, and the stability of the cover plate is enhanced.

[0015] One end of the plug rod is connected with the pull rod barrel, the other end of the plug rod penetrates the avoiding hole and protrudes outward, and the plug rod and the pull rod barrel are in T shape. By lengthening the length of the plug rod, the connection between the sleeve and the plug rod is more stable.

[0016] The plug rod is located at the upper end of the sleeve, the lower part of the sleeve is provided with a limiting hole, the mounting seat is inserted into the lower part of the sleeve, the base abuts against the lower end of the sleeve, the sleeve is provided with a limiting hoop, the limiting hoop is provided with a limiting block, the limiting block extends into the sleeve through the limiting hole, the side part of the mounting seat is provided with a limiting plate, and the limiting plate abuts against the upper side of the limiting block. The limiting hoop can limit the mounting seat, avoids the mounting seat from sliding out of the sleeve, and makes the button slider always be installed at the lower end of the sleeve.

[0017] The left and right ends of the sleeve are provided with limiting holes, the limiting hoop comprises a bottom plate, the left and right ends of the bottom plate are provided with downward extending side plates, the opposite sides of the two side plates are provided with limiting blocks, and the two limiting blocks correspond to the two limiting holes respectively. The limiting hoop is elastic, the sleeve is a square tube, and the bottom plate and the two side plates abut against three side walls of the sleeve respectively.

[0018] The sleeve is provided with a guide sleeve which is in sliding cooperation with the guide pipe, the guide sleeve is located between the base and the limiting hoop, the outer ring of the guide sleeve is matched with the inner wall of the guide pipe in shape and size, and the inner ring of the guide sleeve is matched with the outer wall of the sleeve in shape and size. The guide sleeve is square-shaped and matched with the outer shape of the sleeve, the guide sleeve has a very small movement range between the base and the limiting hoop, the guide sleeve can avoid the sleeve from contacting the guide pipe, ensures that the sleeve does not deflect during pulling, and also avoids other parts from rubbing against the guide pipe.

[0019] In conclusion, the screw connecting the plug rod and the sleeve is hidden in the pull rod barrel, and the both ends of the pull rod barrel are closed through the cover plate, so that the screw is not directly exposed, the overall integrity and the aesthetic degree of the product appearance are improved, the screw can be prevented from rubbing and scratching clothes and being contacted with water, and the screw can be prevented from rusting. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a sectional view structure schematic diagram of the utility model;

[0021] Figure 2 It is a position structure schematic diagram of the positioning hole;

[0022] Figure 3 It is a structure schematic diagram of the cover plate;

[0023] Figure 4 It is a connection structure schematic diagram of the plug rod and the sleeve;

[0024] Figure 5 It is a combined state structure schematic diagram of the plug rod and the sleeve;

[0025] Figure 6 It is a structure schematic diagram of the avoiding hole and the plug rod;

[0026] Figure 7 It is a structure schematic diagram of the box shell;

[0027] Figure 8 is a sectional view of the box shell;

[0028] Figure 9 is Figure 8 is a partial enlarged view of the middle A part;

[0029] Figure 10 is a structural schematic view of the limiting hoop;

[0030] Figure 11 is a structural schematic view of the sleeve.

[0031] In the figure: pull rod cylinder 1, button switch 2, partition plate 3, guide groove 4, positioning hole 5, avoiding hole 6, threaded hole 7, plug rod 8, half plug 9, plug 10, pull plate 11, hook 12, cover plate 13, fixing hole 14, sleeve 15, push rod 16, push rod hole 17, partition cylinder 18, spring 19, positioning ring 20, box shell 21, guide pipe 22, limiting hoop 23, limiting hole 24, button slider 25, limiting plate 26, base 27, mounting seat 28, limiting pin 29, limiting block 30. DETAILED DESCRIPTION

[0032] The specific embodiments of the present application will be further described in detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present application, but are not used to limit the scope of the present application.

[0033] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0034] The terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0035] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0036] The following is a description of preferred embodiments of the present invention in conjunction with the accompanying drawings.

[0037] A luggage handle includes a handle tube 1, a stopper rod 8 installed in the handle tube 1, and a clearance hole 6 on the side of the handle tube 1. It also includes a sleeve 15, which passes through the clearance hole 6 and is fitted onto the stopper rod 8. The stopper rod 8 has a threaded hole 7 on its side, and the sleeve 15 has a fixing hole 14 on its side. The fixing hole 14 and the threaded hole 7 are positioned correspondingly. A screw is installed on the sleeve 15, passing through the fixing hole 14 and tightened into the threaded hole 7. The screw is located in the inner hole of the handle tube 1. (See attached diagram) Figure 1 When installing and removing screws, insert the screwdriver into the inner hole of the pull rod tube 1 so that the screwdriver comes into contact with the screw, thereby removing and installing the screw. The screw is hidden in the pull rod tube 1, which can prevent the screw from being exposed, making the product more beautiful and simple, and also prevent the screw from scratching clothing.

[0038] See attached document Figure 2 The pull rod cylinder 1 extends through both sides. A cover plate 13 is installed at the end of the pull rod cylinder 1 to seal its inner bore. A plug 10 is provided on the side of the cover plate 13 near the pull rod cylinder 1, and the plug 10 is tightened against the inner wall of the pull rod cylinder 1. The cover plate 13 is connected to the pull rod cylinder 1 through the tightening fit of the plug 10, thus sealing both ends of the pull rod cylinder 1 and preventing foreign objects from entering. The plug 10 includes two half-plugs 9, which are spaced apart and tightened against the inner wall of the pull rod cylinder 1. The two spaced half-plugs 9 form an elastic support, which can simplify the structure. A positioning hole 5 is provided on the side wall of the pull rod cylinder 1. A pull plate 11 is provided on the side of the cover plate 13 near the pull rod cylinder 1, extending towards the pull rod cylinder 1. A hook 12 is provided at the end of the pull plate 11, and the hook 12 is engaged in the positioning hole 5. The hook 12, when engaged with the positioning hole 5, allows for quick fixation of the cover plate 13. Once the hook 12 is engaged, it is not easy to come loose, thus eliminating the need for additional fasteners and improving assembly and disassembly efficiency.

[0039] See attached document Figure 1 The inner wall of the pull rod cylinder 1 is provided with a guide groove 4, which is located on the travel path of the hook 12. The guide groove 4 can guide the hook 12 to engage with the positioning hole 5, reducing the assembly difficulty.

[0040] See attached document Figure 3, the spacer 3 is provided with a spacer cylinder 18 on the upper side, the spacer cylinder 18 penetrates the pull rod cylinder 1 and is open upward, and the push button switch 2 capable of moving up and down is installed in the spacer cylinder 18. The sleeve pipe 15 is provided with a top rod, and the lower end of the sleeve pipe 15 is provided with a push button slider. After the push button switch 2 is pressed, the push rod 16 pushes the top rod, the top rod pushes the push button slider, the push button slider can be unlocked and separated from the limiting of the sleeve pipe 15, at this time, the sleeve pipe 15 can be pulled out or pushed into the luggage. The locking and unlocking structure of the push button slider can refer to the content of the application number 201811077043.4, the name is power-assisted luggage and its pull rod. The plug rod 8 is located on the lower side of the spacer 3, the plug rod 8 is provided with a push rod hole 17 penetrating the plug rod 8, and the push rod 16 penetrating the push rod hole 17 and capable of downward exploration is arranged on the push button switch 2. The push rod 16 can push the top rod, and then the top rod pushes the push button slider to unlock. The spring 19 is installed in the spacer cylinder 18, one end of the spring 19 abuts against the spacer 3, and the other end of the spring 19 abuts against the push button switch 2. The lower end of the push rod 16 is provided with a screw, and the screw is pressed against the lower end of the plug rod 8. The spring 19 can keep the push button switch 2 in the state of upward exploration, and at this time, the screw is pressed against the lower end of the plug rod 8, avoiding the push button switch 2 from continuing to explore upward. The spacer 3 is provided with a positioning hole 5, the side surface of the cover plate 13 close to the pull rod cylinder 1 is provided with a pull plate 11, the pull plate 11 extends towards the pull rod cylinder 1, the end of the pull plate 11 is provided with a hook 12, and the hook 12 is clamped in the positioning hole 5. The positioning hole 5 on the spacer 3 provides an additional fixing point, enhancing the stability of the cover plate 13. Refer to the attached Figure 3 One end of the plug rod 8 is connected with the pull rod cylinder 1, and the other end of the plug rod 8 penetrates the avoiding hole 6 and explores outward. By lengthening the plug rod 8, the connection between the sleeve pipe 15 and the plug rod 8 is more stable.

[0041] Refer to the attached Figure 5 The plug rod 8 is located on the upper end of the sleeve pipe 15, the lower part of the sleeve pipe 15 is provided with a limiting hole 24, the mounting seat 28 is inserted into the lower part of the sleeve pipe 15, the base 27 abuts against the lower end of the sleeve pipe 15, the sleeve pipe 15 is clamped with the limiting hoop 23, the limiting hoop 23 is provided with a limiting block 30 on the upper side, the limiting block 30 penetrates the limiting hole 24 and extends into the sleeve pipe 15, and the side of the mounting seat 28 is provided with a limiting plate 26, and the limiting plate 26 is pressed against the upper side of the limiting block 30. The limiting hoop 23 can limit the mounting seat 28, avoiding the mounting seat 28 from sliding out of the sleeve pipe 15, so that the push button slider 25 is always installed on the lower end of the sleeve pipe 15. The left and right ends of the sleeve pipe 15 are provided with limiting holes 24, and the limiting hoop 23 includes a bottom plate, the left and right ends of the bottom plate are provided with downward extending side plates, the opposite sides of the two side plates are provided with limiting blocks 30, and the two limiting blocks 30 correspond to the two limiting holes 24 respectively. The limiting hoop 23 is elastic, the sleeve pipe 15 is a square tube, and the bottom plate and the two side plates respectively abut against three side walls of the sleeve pipe 15.

[0042] Refer to the attached Figure 5 , the attachedFigure 11 The positioning ring 20 is sleeved on the sleeve 15 and is in sliding fit with the guide pipe 22, and the positioning ring 20 is located between the base 27 and the limiting hoop 23, the outer ring of the positioning ring 20 is matched with the inner wall of the guide pipe 22 in shape and size, and the inner ring of the positioning ring 20 is matched with the outer wall of the sleeve 15 in shape and size. The positioning ring 20 is square-shaped and matched with the outer shape of the sleeve 15, the positioning ring 20 has a very small range of movement between the base 27 and the limiting hoop 23, the sleeve 15 can be prevented from contacting the guide pipe 22 by the positioning ring 20, the deflection of the sleeve 15 during pulling can be prevented, and the friction between other parts and the guide pipe 22 can also be avoided.

[0043] The above only describes the preferred embodiments of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and substitutions can be made, and these improvements and substitutions should also be considered as the protection scope of the present application.

Claims

1. A luggage trolley rod, comprising a rod barrel (1), a plug rod (8) is installed in the rod barrel (1), a side of the rod barrel (1) is provided with a avoiding hole (6), and a sleeve pipe (15) is sleeved on the plug rod (8) through the avoiding hole (6), characterized in that, The side of the plug rod (8) is provided with a threaded hole (7), the side of the sleeve (15) is provided with a fixing hole (14), the positions of the fixing hole (14) and the threaded hole (7) correspond to each other, the sleeve (15) is provided with a screw which passes through the fixing hole (14) and is screwed in the threaded hole (7), and the screw is located in the inner hole of the pull rod barrel (1).

2. The case handle of claim 1, wherein The pull rod barrel (1) is penetrated left and right, the end of the pull rod barrel (1) is provided with a cover plate (13) which closes the inner hole of the pull rod barrel (1), the side of the cover plate (13) close to the pull rod barrel (1) is provided with a plug (10), the plug (10) is tightly expanded on the inner hole wall of the pull rod barrel (1), and the plug (10) comprises two half plugs (9) which are spaced from each other and tightly expanded on the inner hole wall of the pull rod barrel (1).

3. The case handle of claim 2, wherein The side wall of the pull rod barrel (1) is provided with a positioning hole (5), the side of the cover plate (13) close to the pull rod barrel (1) is provided with a pull plate (11), the pull plate (11) extends towards the pull rod barrel (1), the end of the pull plate (11) is provided with a hook (12) which is clamped in the positioning hole (5), the inner wall of the pull rod barrel (1) is provided with a guide groove (4), and the guide groove (4) is located on the running path of the hook (12).

4. The case handle of claim 2, wherein The pull rod barrel (1) is provided with a partition plate (3) which extends left and right, the upper side of the partition plate (3) is provided with a partition barrel (18) which extends upwards, the partition barrel (18) passes through the barrel wall of the pull rod barrel (1) and is open upwards, and the partition barrel (18) is provided with a button switch (2) which can move up and down.

5. The case handle of claim 4, wherein the first and second portions are formed of a single piece of material. The plug rod (8) is located on the lower side of the partition plate (3), the plug rod (8) is provided with a push rod hole (17) which penetrates the plug rod (8), and the push rod hole (17) is provided with a push rod (16) which can be downwardly probed.

6. The case handle of claim 4, wherein, The partition barrel (18) is provided with a spring (19), one end of the spring (19) abuts against the partition plate (3), the other end of the spring (19) abuts against the button switch (2), the lower end of the push rod (16) is provided with a screw which abuts against the lower end of the plug rod (8).

7. The case handle of claim 4, wherein, The partition plate (3) is provided with a positioning hole (5), the side of the cover plate (13) close to the pull rod barrel (1) is provided with a pull plate (11), the pull plate (11) extends towards the pull rod barrel (1), the end of the pull plate (11) is provided with a hook (12) which is clamped in the positioning hole (5), one end of the plug rod (8) is connected with the pull rod barrel (1), and the other end of the plug rod (8) passes through the avoiding hole (6) and protrudes outward.

8. The case handle of claim 1, wherein, The plug rod (8) is located on the upper end of the sleeve (15), the lower part of the sleeve (15) is provided with a limiting hole (24), the mounting seat (28) is inserted into the lower part of the sleeve (15), the base (27) abuts against the lower end of the sleeve (15), the sleeve (15) is clamped with a limiting hoop (23), the limiting hoop (23) is provided with a limiting block (30), the limiting block (30) passes through the limiting hole (24) and extends into the sleeve (15), and the side of the mounting seat (28) is provided with a limiting plate (26) which abuts against the upper side of the limiting block (30).

9. The case handle of claim 8, wherein, Both left and right ends of the sleeve (15) are provided with limiting holes (24), the limiting hoop (23) comprises a bottom plate (31), both left and right ends of the bottom plate (31) are provided with downward extending side plates (32), the opposite sides of the two side plates (32) are both provided with limiting blocks (30), and the two limiting blocks (30) correspond to the two limiting holes (24) respectively.

10. The case handle of claim 8, wherein, The sleeve (15) is sleeved with a positioning ring (20) in sliding fit with the guide pipe (22), the positioning ring (20) is located between the base (27) and the limiting hoop (23), the outer ring of the positioning ring (20) is matched with the inner wall of the guide pipe (22) in shape and size, and the inner ring of the positioning ring (20) is matched with the outer wall of the sleeve (15) in shape and size.

Citation Information

Patent Citations

  • Power-assisted luggage and its handle

    CN109043772B