Multifunctional portable luggage case pull rod

Through the design of limit slots, limit blocks, fixing holes and fixed pins, the fast disassembly and assembly of the suitcase tie rod and the box is achieved, solving the problem of inseparable tie rod and the box in the existing technology, improving the flexibility and maintenance convenience of the suitcase, and reducing the economic burden.

CN223142992UActive Publication Date: 2025-07-25RUIAN TAIHE LUGGAGE ACCESSORIES CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202422479105.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-14
Publication Date
2025-07-25
Estimated Expiration
2034-10-14

AI Technical Summary

Technical Problem

The existing suitcase lever cannot be separated from the box, resulting in inflexible use in specific scenarios, complex maintenance and high cost.

Method used

A multi-function portable suitcase tie rod is designed. Through the coordination of limit slots, limit blocks, fixing holes and fixing pins, the tie rod and the box can be quickly disassembled and installed, ensuring a stable connection and easy disassembly.

Benefits of technology

Improves flexibility and portability of the suitcase, reduces the cost of repair and replacement of the lever, and enhances structural stability and durability.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223142992U_ABST
    Figure CN223142992U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of luggage case pull rods, in particular to a multifunctional portable luggage case pull rod. According to the technical scheme, a limiting groove is formed in the bottom end of a box body, a first fixing hole is formed in the limiting groove in a penetrating mode, a second fixing hole is formed in the box body, a pull rod is sleeved with a fixing block through a second telescopic rod, a nut base is arranged on the fixing block, a first fixing pin is installed on the nut base of the fixing block, and a second fixing pin is installed on the first fixing pin. A bottom plate is arranged at the bottom end of the pull rod, a pulley is arranged on one side of the bottom plate, a cushion block is arranged on the side, away from the pulley, of the bottom plate, a nut seat is also installed at the bottom end of the bottom plate, and a second fixing pin is installed on the bottom plate through the nut seat. According to the luggage case, the problem that the pull rod and the case body of a traditional luggage case cannot be separated is effectively solved through a quick disassembly and assembly mechanism of the pull rod and the case body, the flexibility and the maintenance convenience of the luggage case are improved, and the economic burden is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of luggage case pull rods, in particular to a multifunctional portable luggage case pull rod. Background Art

[0002] The suitcase trolley is an important component of the suitcase. Its main purpose of design is to facilitate users to drag the suitcase in different terrains and occasions, thereby reducing the burden and improving travel convenience.

[0003] After searching, the patent application number CN202223612015.2 discloses a luggage case pull rod device. Although the device can be used by pulling the pull rod to different lengths to adapt to the use of different groups of people, thus playing a role of wide use range and achieving the purpose of high usability, the pull rod and the box body cannot be separated for use when the device is used. Since the pull rod and the box body cannot be separated, this limits the use of the luggage case in certain specific scenarios. For example, when the user needs to carry smaller items or only needs part of the space of the box body, it is impossible to carry only the box body and leave the pull rod, which reduces the flexibility of the luggage case. And if the pull rod fails or is damaged, since it cannot be separated from the box body, repairing or replacing the pull rod may require the entire suitcase to be sent to a professional maintenance point, which increases the complexity and cost of the repair. In addition, if the pull rod is severely damaged and cannot be repaired, the user may need to buy a whole new suitcase, which adds unnecessary economic burden. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a multifunctional portable luggage case pull rod, which solves the problems raised in the background technology.

[0005] The utility model solves the above-mentioned technical problems as follows:

[0006] A multifunctional portable luggage pull rod comprises a box body, a second handle is installed on the top of the box body, a first handle is installed on one side of the box body, a lock is installed on the box body, and a pull rod is installed on the box body;

[0007] A limiting groove is provided at the bottom end of the box body, a first fixing hole is formed through the limiting groove, a second fixing hole is provided on the box body, a second telescopic rod is provided on the pull rod, the first telescopic rod is inserted into the second telescopic rod, a fixing block is sleeved on the second telescopic rod, a nut seat is provided on the fixing block, a first fixing pin is installed on the nut seat of the fixing block, a bottom plate is provided at the bottom end of the pull rod, a pulley is provided on one side of the bottom plate, a pad is provided on the side of the bottom plate away from the pulley, a nut seat is also installed at the bottom end of the bottom plate, and a second fixing pin is installed on the bottom plate through the nut seat.

[0008] On the basis of the above technical solutions, the present utility model can also be improved as follows.

[0009] Further, a limiting block is provided on the bottom plate, and the pull rod is installed on the bottom plate through the cooperation of the limiting groove and the limiting block.

[0010] The beneficial effect of adopting the above further solution is:

[0011] The cooperative design of the limiting block and the limiting groove can ensure the accurate installation position of the pull rod on the bottom plate, avoiding the possible shaking or deviation of the pull rod during use. This design improves the connection stability between the pull rod and the bottom plate, making the luggage more stable during dragging or carrying. Through the cooperation of the limiting groove and the limiting block, the pull rod can be conveniently installed on the bottom plate and can also be easily disassembled. This design enables users to operate more conveniently when they need to repair or replace the pull rod, reducing the maintenance cost and time.

[0012] Further, the second fixing pin is located at the limiting block of the bottom plate, and the position of the second fixing pin corresponds to that of the first fixing hole. After the pull rod is installed on the bottom plate, it is connected and fixed through the second fixing pin and the first fixing hole.

[0013] The beneficial effect of adopting the above further solution is:

[0014] The cooperative design of the second fixing pin and the first fixing hole can ensure the accurate and firm installation position of the pull rod on the bottom plate. It can withstand greater tensile and compressive forces, preventing the pull rod from loosening or falling off during use. Through the cooperation of the second fixing pin and the first fixing hole, the pull rod can be conveniently installed on the bottom plate and can also be easily disassembled. This design not only simplifies the installation and disassembly process but also enables users to operate more conveniently when they need to repair or replace the pull rod.

[0015] Further, the position of the second fixing hole corresponds to that of the first fixing pin, and after the box body is installed on the bottom plate, the box body and the pull rod are connected and fixed through the first fixing pin and the second fixing hole.

[0016] The beneficial effect of adopting the above further solution is:

[0017] The mating design of the first fixing pin and the second fixing hole can ensure a firm and reliable connection between the box body and the pull rod. This design effectively prevents relative movement or shaking between the box body and the pull rod, thereby improving the stability and durability of the entire luggage pull rod device. Through the cooperation of the first fixing pin and the second fixing hole, the box body and the pull rod can be quickly connected and disassembled. This design not only simplifies the installation and disassembly process but also improves the convenience for users when using the luggage. Users can easily install or disassemble the pull rod according to their needs to adapt to different usage scenarios.

[0018] Furthermore, the second fixing pins are symmetrically distributed on the bottom plate.

[0019] The beneficial effect of adopting the above further solution is:

[0020] The symmetrical distribution of the second fixing pins on the bottom plate can ensure a more balanced and stable connection between the pull rod and the bottom plate. This design helps prevent deformation or damage to the luggage caused by uneven stress during dragging or carrying. The symmetrically distributed second fixing pins enable the force to be more evenly distributed on the bottom plate when the pull rod is stressed, thus avoiding the situation of excessive local stress. This helps extend the service life of the luggage and reduce failures caused by uneven stress.

[0021] Furthermore, the limiting grooves are symmetrically distributed at the bottom end of the box body, and the first fixing holes are located on the center line of the limiting grooves.

[0022] The beneficial effect of adopting the above further solution is:

[0023] The symmetrical distribution of the limiting grooves at the bottom end of the box body ensures that the pull rod can be evenly stressed during connection, avoiding deformation or damage to the box body caused by uneven stress. This design improves the overall structural stability of the luggage and makes it more durable. The first fixing holes are located on the center line of the limiting grooves, enabling the pull rod to be accurately aligned during installation and avoiding errors during the installation process. This design improves the connection accuracy between the pull rod and the box body and ensures the stability and reliability of the pull rod.

[0024] The present utility model provides a multifunctional portable luggage pull rod. It has the following beneficial effects:

[0025] The quick connection design between the pull rod and the box body through the first fixing pin and the second fixing hole enables users to easily separate or assemble the pull rod and the box body, improving the flexibility and portability of the luggage. A similar quick disassembly and assembly design (connected through the second fixing pin and the first fixing hole) is also adopted between the pull rod and the bottom plate, which further enhances the modular characteristics of the luggage and facilitates users to disassemble or reorganize it according to their needs.

[0026] The luggage is not only equipped with traditional pull rods and wheels, but also designed with a second handle and a first handle, providing multiple carrying methods to meet the needs of users in different scenarios. Design elements such as the limit groove, limit block, first fixing hole and second fixing hole not only enhance the structural stability of the luggage, but also make it possible to achieve quick disassembly and assembly.

[0027] Through the fixation of the first fixing pin and the second fixing hole, and the fixation of the second fixing pin and the first fixing hole, the firm connection between the pull rod, the bottom plate and the box body is ensured, improving the load-bearing capacity and durability of the luggage. The design of the cushion block may be used to increase the friction between the bottom plate and the ground or other contact surfaces, preventing the luggage from sliding or tipping over during dragging.

[0028] Due to the quick disassembly and assembly design between the pull rod, the bottom plate and the box body, when users need to repair or replace these components, it can be operated more easily, reducing the maintenance cost and time. Brief Description of the Drawings

[0029] The drawings described herein are used to provide a further understanding of the present utility model and form a part of this application. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model.

[0030] In the drawings:

[0031] Figure 1 is the rear view external appearance schematic diagram of the present utility model;

[0032] Figure 2 is the bottom view external appearance schematic diagram of the box body of the present utility model;

[0033] Figure 3 is the front view external appearance schematic diagram of the pull rod of the present utility model;

[0034] Figure 4 is the bottom view external appearance schematic diagram of the pull rod of the present utility model.

[0035] In the drawings, the list of components represented by each reference numeral is as follows:

[0036] 1. Box body; 101. First handle; 102. Lock; 103. Second handle; 104. Limit groove; 105. First fixing hole; 106. Second fixing hole; 2. Pull rod; 201. First telescopic rod; 202. Second telescopic rod; 203. Fixed block; 204. Nut seat; 205. First fixing pin; 3. Bottom plate; 301. Wheel; 302. Second fixing pin; 303. Cushion block. Detailed Description of the Preferred Embodiments

[0037] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0038] Please refer to Figures 1 to 4 as shown, the embodiments provided by the present utility model are as follows:

[0039] Embodiment 1: A multifunctional portable luggage handle, comprising a box body 1, a second handle 103 is installed at the top of the box body 1, a first handle 101 is installed on one side of the box body 1, a lock 102 is installed on the box body 1, and a handle 2 is installed on the box body 1.

[0040] Embodiment 2: In order to connect and fix the box body 1 to the bottom plate 3, by way of example, such as Figures 1 to 4As shown in the figure, the present invention further includes: a limiting groove 104 is opened at the bottom end of the box body 1, a limiting block is provided on the bottom plate 3, and the pull rod 2 is installed on the bottom plate 3 through the cooperation of the limiting groove 104 and the limiting block. This design adopts a precise cooperation mechanism between the limiting block and the limiting groove 104 to ensure that the installation position of the pull rod 2 on the bottom plate 3 is accurate and error-free, effectively avoiding unstable phenomena such as shaking or deviation that may occur during the use of the pull rod 2. This design significantly improves the connection stability between the pull rod 2 and the bottom plate 3, making the luggage more stable during dragging or carrying. Through the close cooperation between the limiting block and the limiting groove 104, the installation and disassembly process of the pull rod 2 becomes simple and fast, while reducing the operation difficulty and cost for users when repairing or replacing the pull rod 2. A first fixing hole 105 is penetrated through the limiting groove 104. The limiting grooves 104 are symmetrically distributed at the bottom end of the box body 1, and the first fixing hole 105 is located on the center line of the limiting groove 104. This design ensures that the pull rod 2 can be evenly stressed during connection through the symmetrical distribution mechanism of the limiting groove 104 at the bottom end of the box body 1, avoiding structural problems such as deformation or damage of the box body 1 caused by uneven stress. This design significantly improves the overall structural stability of the luggage, making it more durable and reliable. At the same time, the first fixing hole 105 is located on the center line of the limiting groove 104, enabling the pull rod 2 to accurately align its position during installation, avoiding errors and deviations during the installation process. This design improves the connection accuracy and stability between the pull rod 2 and the box body 1, ensuring the reliability and durability of the pull rod 2. A second fixing hole 106 is opened on the box body 1. The pull rod 2 is provided with a second telescopic rod 202, a first telescopic rod 201 is inserted into the second telescopic rod 202, a fixing block 203 is sleeved on the second telescopic rod 202, a nut seat 204 is provided on the fixing block 203, a first fixing pin 205 is installed on the nut seat 204 of the fixing block 203. The position of the second fixing hole 106 corresponds to that of the first fixing pin 205. After the box body 1 is installed on the bottom plate 3, the box body 1 and the pull rod 2 are connected and fixed through the first fixing pin 205 and the second fixing hole 106. The first fixing pin 205 and the second fixing hole 106 are connected by threads, facilitating the quick disassembly and assembly of the box body 1 and the pull rod 2. This design adopts a stable cooperation mechanism between the first fixing pin 205 and the second fixing hole 106 to ensure the reliable and stable connection between the box body 1 and the pull rod 2. This design effectively prevents relative movement or shaking between the box body 1 and the pull rod 2, thereby significantly improving the stability and durability of the entire luggage pull rod 2 device.Through the close cooperation between the first fixing pin 205 and the second fixing hole 106, the connection and disassembly process between the box body 1 and the pull rod 2 becomes simple and quick, and at the same time improves the convenience and flexibility of the user when using the suitcase. The bottom end of the pull rod 2 is provided with a bottom plate 3, a pulley 301 is provided on one side of the bottom plate 3, and a pad 303 is provided on the side of the bottom plate 3 away from the pulley 301. The bottom end of the bottom plate 3 is also installed with a nut seat 204, and the bottom plate 3 is installed with a second fixing pin 302 through the nut seat 204. The second fixing pin 302 is symmetrically distributed on the bottom plate 3. The design adopts a symmetrical distribution mechanism of the second fixing pin 302 on the bottom plate 3 to ensure that the connection between the pull rod 2 and the bottom plate 3 is more balanced and stable. This design helps to prevent structural problems such as deformation or damage caused by uneven force during dragging or carrying of the suitcase. The symmetrically distributed second fixing pins 302 can make the pull rod 2 more evenly distributed on the bottom plate 3 when it is stressed, thereby effectively avoiding the situation of excessive local force. This design helps to extend the service life of the suitcase and reduce the risk of failure caused by uneven force. The second fixing pin 302 is located at the limit block of the bottom plate 3, and the second fixing pin 302 corresponds to the position of the first fixing hole 105. After the pull rod 2 is installed on the bottom plate 3, it is connected and fixed by the second fixing pin 302 and the first fixing hole 105. The second fixing pin 302 and the first fixing hole 105 are connected by threads, which facilitates the quick disassembly and assembly of the pull rod 2 and the bottom plate 3. This design ensures that the installation position of the pull rod 2 on the bottom plate 3 is both accurate and firm through the precise matching of the second fixing pin 302 and the first fixing hole 105. This design can withstand greater tension and pressure, and effectively prevent the pull rod 2 from loosening or falling off during use. Through the close matching of the second fixing pin 302 and the first fixing hole 105, the installation and disassembly process of the pull rod 2 becomes simple and efficient, and at the same time provides great convenience for users when repairing or replacing the pull rod 2.

[0041] Working principle:

[0042] The first telescopic rod 201 is inserted into the second telescopic rod 202 of the pull rod 2 to form a telescopic pull rod 2 structure. The box body 1 is provided with a second fixing hole 106. When the pull rod 2 is adjusted to an appropriate height, the first fixing pin 205 on the nut seat 204 on the fixing block 203 can be inserted into the second fixing hole 106, and the relative position of the pull rod 2 and the box body 1 is fixed by rotating the first fixing pin 205. This design allows the user to easily remove the pull rod 2 from the box body 1 when the pull rod 2 is not in use, thereby improving the flexibility and portability of the suitcase.

[0043] A limit block is provided on the bottom plate 3, which cooperates with the limit groove 104 at the bottom end of the box body 1 to ensure the correct installation position of the pull rod 2 on the bottom plate 3. A first fixing hole 105 is penetrated through the limit groove 104, and a nut seat 204 is also installed at the bottom end of the bottom plate 3, and a second fixing pin 302 is installed through the nut seat 204. When the pull rod 2 is installed on the bottom plate 3, the second fixing pin 302 will be inserted into the first fixing hole 105, and the relative position of the pull rod 2 and the bottom plate 3 is fixed by rotating the second fixing pin 302. This design enables the pull rod 2 to be conveniently removed from the bottom plate 3, facilitating the user to disassemble or reorganize according to needs.

[0044] The foregoing has shown and described the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, in any aspect, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, it is intended to embrace all changes within the meaning and scope of the equivalent elements of the claims in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed invention.

[0045] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A multifunctional portable luggage handle, comprising a box body (1), a second handle (103) is installed at the top of the box body (1), a first handle (101) is installed on one side of the box body (1), a lock (102) is installed on the box body (1), and a handlebar (2) is installed on the box body (1), characterized in that: A limiting groove (104) is opened at the bottom end of the box body (1), a first fixing hole (105) is penetrated through the limiting groove (104), a second fixing hole (106) is opened on the box body (1), the handlebar (2) is provided with a second telescopic rod (202), a first telescopic rod (201) is inserted into the second telescopic rod (202), a fixing block (203) is sleeved on the second telescopic rod (202), a nut seat (204) is provided on the fixing block (203), a first fixing pin (205) is installed on the nut seat (204) of the fixing block (203), a bottom plate (3) is provided at the bottom end of the handlebar (2), a pulley (301) is provided on one side of the bottom plate (3), a cushion block (303) is provided on the side of the bottom plate (3) away from the pulley (301), and a nut seat (204) is also installed at the bottom end of the bottom plate (3), and a second fixing pin (302) is installed on the bottom plate (3) through the nut seat (204).

2. The multifunctional portable suitcase pull rod according to claim 1, characterized in that: A limiting block is provided on the bottom plate (3), and the handlebar (2) is installed on the bottom plate (3) through the cooperation of the limiting groove (104) and the limiting block.

3. The multifunctional portable suitcase pull rod according to claim 1, wherein: The second fixing pin (302) is located at the limiting block of the bottom plate (3), and the second fixing pin (302) corresponds to the position of the first fixing hole (105). After the handlebar (2) is installed on the bottom plate (3), it is connected and fixed through the second fixing pin (302) and the first fixing hole (105).

4. The multifunctional portable luggage pull rod according to claim 1, wherein: The second fixing hole (106) corresponds to the position of the first fixing pin (205), and after the box body (1) is installed on the bottom plate (3), the box body (1) and the handlebar (2) are connected and fixed through the first fixing pin (205) and the second fixing hole (106).

5. The multifunctional portable suitcase pull rod according to claim 1, wherein: The second fixing pins (302) are symmetrically distributed on the bottom plate (3).

6. The multifunctional portable suitcase pull rod according to claim 1, wherein: The limiting grooves (104) are symmetrically distributed at the bottom end of the box body (1), and the first fixing holes (105) are located on the center line of the limiting grooves (104).

Citation Information

Patent Citations

  • Luggage case pull rod device

    CN219146960U