Telescopic handle for draw-bar box
By designing a retractable handle, the problems of inconvenient opening and closing and pulling of the suitcase were solved, achieving the effects of simplified operation, improved convenience and stability.
Patent Information
- Application Number
- CN202520568744.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-28
AI Technical Summary
Existing suitcases have a tilted pull rod that makes opening and closing inconvenient and makes pulling them out difficult. The handle needs to be removed, increasing the operation steps, and there is no convenient pull-out unlocking mechanism.
A retractable handle was designed, including a bracket, a multi-stage telescopic pull rod body, and a nylon rope connecting handle. It is connected to the box body via a hinge and uses a spring plunger to lock the position of the pull rod, increasing stability and convenience.
It simplifies the opening and closing of the suitcase, improves ease of use and sense of security, enhances the stability and flexibility of the handle, and reduces hand fatigue.
Smart Images

Figure CN223715179U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to travel case technical field, specifically for retractable handle for draw-bar box. BACKGROUND
[0002] Draw-bar box, also known as travel case, is a kind of box specially designed for travel, for storing personal articles.Draw-bar box is often used to load clothes, personal care products and souvenirs necessary in journey as a kind of luggage.
[0003] Through a large number of searches, the publication number CN213785824U discloses a draw-bar box, by designing the inclined pull rod, the strength of the person can be more fully utilized to push the box body forward, so that more labor-saving, when the inclined pull rod is added to the box body, the coincidence with the gravity center of the box body can be well avoided, and the inclined pull rod is installed in the narrow direction of the box body, so that the gravity center can be better stabilized, and the box body will not be unbalanced to cause tilting and overturning.
[0004] In the prior art, the inclined pull rod is pulled out from the sliding groove when the draw-bar box is used, and the draw-bar box is dragged through the handle, but in actual use, the draw-bar box in the prior art is provided with a detachable handle, but the inclined pull rod is inclined to the opening side of the draw-bar box body, so that the step of detaching the handle is increased when the draw-bar box body is opened, so that the operation steps become complex, and since the handle is designed as a detachable structure, a convenient pull-out unlocking mechanism cannot be provided like the traditional draw-bar, so that the pull-out of the inclined pull rod is inconvenient, and therefore a retractable handle for draw-bar box is needed to solve the above problems. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a retractable handle for draw-bar box, which has the advantages of facilitating the opening and closing of the draw-bar box and facilitating the pull-out of the draw-bar, and solves the problems of inconvenience in opening and closing and inconvenience in pull-out of the draw-bar in the prior art.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a retractable handle for draw-bar box, comprising a box body, a bracket is arranged on one side of the box body, the box body is opened and closed through the bracket, a draw-bar body is fixedly installed on the side of the outer wall of the box body close to the bracket, the draw-bar body comprises a fixing frame, the fixing frame is fixedly connected with the outer wall of the box body, a first connecting frame is rotatably installed on the inner side of the fixing frame, a second connecting frame is rotatably installed in the first connecting frame, a connecting handle is fixedly installed on the second connecting frame, and the connecting handle is designed of nylon rope material.
[0007] Preferably, universal wheels are fixedly installed at the four corners of the bottom of the box body, a zipper is arranged on the side of the box body away from the bracket, and first spring plungers are embedded and installed in the bottom of the front and back surfaces of the box body.
[0008] The zipper is arranged on the side of the box body away from the bracket, used for closing and opening the box body, providing a safe and reliable locking mechanism to ensure that the articles will not accidentally fall during transportation.
[0009] The first spring plungers are embedded and installed in the bottom of the front and back surfaces of the box body, used for fixing and locking the closed pull rod, increasing the stability and safety of the pull rod in use.
[0010] Preferably, rubber foot pads are fixedly installed at the four corners of the side of the bracket away from the box body, a hinge is arranged on the side of the bracket close to the box body, and the box body is rotatably installed with the bracket through the hinge. In the design, the rubber foot pads are installed at the four corners of the side of the bracket away from the box body, providing additional stability and slip resistance, reducing noise and protecting the ground from damage when the pull rod is placed on the ground.
[0011] The bracket is rotatably installed with the box body through the hinge, so that the bracket can be easily opened and closed, facilitating the user to access the articles in the box body, while maintaining the overall structural strength and stability of the box body.
[0012] Preferably, a reserved hole is arranged on the fixed frame, the reserved hole is arranged at a position matched with the installation position of the first spring plunger, and the end of the first spring plunger away from the box body passes through the reserved hole. In the design, the reserved hole matched with the installation position of the first spring plunger is arranged on the fixed frame, so that the first spring plunger can smoothly pass through the fixed frame and lock the position of the pull rod, increasing the stability and reliability of the pull rod.
[0013] Preferably, first and second positioning holes are arranged on the first connecting frame, the second positioning hole is matched with the installation position of the first spring plunger after the first connecting frame is retracted to the fixed frame, and the top of the first spring plunger is elastically inserted into the second positioning hole. In the design, the first and second positioning holes are arranged at different positions on the first connecting frame, so that the first connecting frame can be locked by the first spring plunger when retracted.
[0014] Preferably, the second connecting frame is fixedly installed with a second spring plunger at one end away from the first connecting frame, and the second spring plunger is elastically inserted into the first positioning hole after the second connecting frame is retracted into the first connecting frame.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] The utility model discloses a bracket is designed on the one side of the box, and the bracket is rotatably connected with the box through a hinge. This design makes the box open and close easily with the help of the bracket, and it is convenient for users to access the items inside the box. Compared with the design of the prior art, in which the diagonal pull rod is inclined to the opening side of the box, the bracket design of the utility model does not interfere with the opening and closing of the box, so the operation is more convenient. The pull rod body is fixed on the side of the outer wall of the box close to the bracket, which not only ensures the stability of the pull rod, but also avoids interference during the opening and closing of the box. Users do not need to disassemble or adjust the position of the pull rod when opening or closing the box, thereby simplifying the operation steps.
[0017] The pull rod body adopts a multi-stage telescopic design, including a fixed frame, a first connecting frame and a second connecting frame. This design makes the pull rod flexible to adjust according to the user's needs, which can be extended to adapt to different heights or dragging needs, and can also be shortened for storage and carrying. Reserved holes, first positioning holes, second positioning holes and spring plungers are designed on the fixed frame, the first connecting frame and the second connecting frame. When the pull rod is in the extended state, the spring plunger can be elastically inserted into the corresponding positioning hole, thereby locking the position of the pull rod to prevent accidental retraction. This design not only increases the stability of the pull rod, but also makes the user feel a clear locking when pulling the pull rod, enhancing the safety of use. The connecting handle is made of nylon rope material, which is light and durable, and can provide a good grip. Compared with traditional metal or plastic handles, the nylon rope handle is not easy to cause hand fatigue after long-term use, and is more environmentally friendly and economical.
[0018] In summary, the utility model successfully solves the problems of inconvenient opening and closing of the pull rod box and inconvenient pulling of the pull rod in the prior art. This design not only improves the practicability and convenience of the pull rod box, but also brings users a more comfortable and safe use experience. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a front view structural schematic diagram of the utility model;
[0020] Figure 2The drawing is unfolded connecting structure diagram of the pull rod body and the box body of the utility model;
[0021] Figure 3 The drawing is box body structure diagram of the utility model;
[0022] Figure 4 The drawing is pull rod body structure diagram of the utility model.
[0023] In the drawing: 1, box body; 11, universal wheel; 12, first spring plunger; 13, bracket; 2, pull rod body; 21, fixed frame; 211, reserved hole; 22, first connecting frame; 221, first positioning hole; 222, second positioning hole; 23, second connecting frame; 231, second spring plunger; 24, connecting handle. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0025] Embodiment one: as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the utility model provides an embodiment: a telescopic handle for a pull rod box, including box body 1, the one side of box body 1 is equipped with bracket 13, and box body 1 is closed and opened through bracket 13, and the one side of the outer wall of box body 1 close to bracket 13 is fixedly installed with pull rod body 2, and pull rod body 2 includes fixed frame 21, and fixed frame 21 is fixedly connected with the outer wall of box body 1, and first connecting frame 22 is rotatably installed in the inner side of fixed frame 21, and second connecting frame 23 is rotatably installed in first connecting frame 22, and connecting handle 24 is fixedly installed on second connecting frame 23, and connecting handle 24 is designed with nylon rope material.
[0026] Specifically, bracket 13 is designed on the one side of box body 1 and is rotatably connected with box body 1 through a hinge. This design makes box body 1 open and close easily with the help of bracket 13, which is convenient for users to access the articles in the inside of box body 1. Compared with the design in the prior art that the diagonal pull rod is inclined to the opening side of box body 1, which leads to inconvenience in opening and closing, the bracket 13 design of the utility model does not interfere with the opening and closing of box body 1, so that the operation is more convenient, and the pull rod body 2 is fixed on the one side of the outer wall of box body 1 close to bracket 13, which ensures the stability of the pull rod and avoids interference of the pull rod in the opening and closing process of box body 1. Users do not need to disassemble or adjust the position of the pull rod when opening or closing box body 1, thereby simplifying the operation steps.
[0027] The pull rod body 2 adopts a multi-stage telescopic design, including a fixed frame 21, a first connecting frame 22 and a second connecting frame 23. This design enables the pull rod to be flexibly adjusted according to the user's needs, which can be lengthened to adapt to different height or dragging needs, and can also be shortened for storage and carrying. Reserved holes 211, first positioning holes 221, second positioning holes 222 and spring plungers are designed on the fixed frame 21, the first connecting frame 22 and the second connecting frame 23. When the pull rod is in the lengthened state, the spring plunger can be elastically inserted into the corresponding positioning hole, thereby locking the position of the pull rod and preventing it from accidentally shrinking. This design not only increases the stability of the pull rod, but also enables the user to feel a clear locking sensation when pulling the pull rod, enhancing the safety of use. The connecting handle 24 adopts a nylon rope material design, which is light and durable, providing a good grip. Compared with traditional metal or plastic handles, the nylon rope handle is less likely to cause hand fatigue after long-term use, and is also more environmentally friendly and economical.
[0028] In summary, the utility model successfully solves the problems of inconvenient opening and closing of the pull rod box and inconvenient pulling of the pull rod in the prior art. This design not only improves the practicality and convenience of the pull rod box, but also brings a more comfortable and safe use experience to the user.
[0029] Example two: In order to facilitate the opening and closing of the box body, as shown in Figure 1 , Figure 2 and Figure 3 , in this embodiment, universal wheels 11 are fixedly installed at the four corners of the bottom of the box body 1, and a zipper is provided on the side of the box body 1 away from the bracket 13. First spring plungers 12 are embedded and installed in the bottom of the box body 1. The universal wheels 11 installed at the four corners of the bottom of the box body 1 enable the pull rod box to easily rotate 360 degrees, facilitating the user to pull in different directions, greatly improving the convenience and flexibility of use.
[0030] The zipper is provided on the side of the box body 1 away from the bracket 13, used to close and open the box body 1, providing a safe and reliable locking mechanism to ensure that the items will not accidentally fall during transportation.
[0031] The first spring plungers 12 are embedded and installed in the bottom of the box body 1, used to fix and lock the closed pull rod, increasing the stability and safety of the pull rod in use.
[0032] Further, the four corners of the side of the bracket 13 away from the box body 1 are respectively fixedly provided with rubber foot pads, and the side of the bracket 13 close to the box body 1 is provided with a hinge, and the box body 1 is rotatably installed with the bracket 13 through the hinge. In the design, the rubber foot pads are installed at the four corners of the side of the bracket 13 away from the box body 1, which provides additional stability and anti-skid property, reduces noise and protects the ground from damage when the trolley case is placed on the ground.
[0033] The bracket 13 is rotatably installed with the box body 1 through the hinge, so that the bracket 13 can be easily opened and closed, facilitating the user to access the items inside the box body 1, while the overall structural strength and stability of the box body 1 are maintained.
[0034] In order to make the box body quickly expand when being dragged and stable after being retracted, as shown in Figure 1 , Figure 2 and Figure 4 , in this embodiment, a reserved hole 211 is formed in the fixed frame 21, the reserved hole 211 is formed at a position matched with the installation position of the first spring plunger 12, and the end of the first spring plunger 12 away from the box body 1 passes through the reserved hole 211. In the design, the reserved hole 211 matched with the installation position of the first spring plunger 12 is formed in the fixed frame 21, so that the first spring plunger 12 can smoothly pass through the fixed frame 21 and lock the position of the trolley, thereby increasing the stability and reliability of the trolley.
[0035] Further, the first connecting frame 22 is provided with a first positioning hole 221 and a second positioning hole 222, the second positioning hole 222 is matched with the installation position of the first spring plunger 12 after the first connecting frame 22 is retracted to the fixed frame 21, and the top of the first spring plunger 12 is elastically inserted into the second positioning hole 222. In the design, the first positioning hole 221 and the second positioning hole 222 are formed at different positions on the first connecting frame 22, so that the first connecting frame 22 can be locked by the first spring plunger 12 when being retracted.
[0036] Further, the end of the second connecting frame 23 away from the first connecting frame 22 is fixedly provided with a second spring plunger 231, the installation position of the second spring plunger 231 is matched with the position where the first positioning hole 221 is formed after the second connecting frame 23 is retracted to the first connecting frame 22, and the top of the second spring plunger 231 is elastically inserted into the first positioning hole 221. In the design, the second spring plunger 231 is fixedly installed at the end of the second connecting frame 23 away from the first connecting frame 22, which is used to lock the position of the second connecting frame 23 in the first connecting frame 22, thereby increasing the stability and reliability of the internal structure of the trolley.
[0037] The utility model uses when, when need to drag pull rod box, first ensure that pull rod box is in the closed state, namely that bracket 13 is closely connected with box 1 through the hinge, and the other side is closed through the zip fastener, hold the connecting handle 24, pull outwards, make second connecting frame 23 stretch out from first connecting frame 22. Then, continue to pull outwards first connecting frame 22, make it stretch out from fixed frame 21. At this time, pull rod is fully unfolded, can hold the connecting handle 24 and drag pull rod box.
[0038] When need to close pull rod, second connecting frame 23 is retracted into first connecting frame 22, until second spring plunger 231 is inserted into first positioning hole 221, then, first connecting frame 22 is retracted into fixed frame 21, until first spring plunger 12 is inserted into second positioning hole 222, at this time, pull rod is fully retracted, and it is convenient to store and carry pull rod box.
[0039] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.
Claims
1. A retractable handle for a suitcase, comprising a suitcase body (1), wherein a bracket (13) is provided on one side of the suitcase body (1), the suitcase body (1) is opened and closed via the bracket (13), and a pull rod body (2) is fixedly installed on the outer wall of the suitcase body (1) near the bracket (13), characterized in that: The pull rod body (2) includes a fixing frame (21), which is fixedly connected to the outer wall of the box (1). A first connecting frame (22) is rotatably installed inside the fixing frame (21), and a second connecting frame (23) is rotatably installed inside the first connecting frame (22). A connecting handle (24) is fixedly installed on the second connecting frame (23), and the connecting handle (24) is made of nylon rope.
2. The retractable handle for a suitcase according to claim 1, characterized in that, The box (1) is fixedly installed with universal wheels (11) at the four corners of the bottom. The box (1) is provided with a zipper on the side away from the bracket (13). The bottom of the front and back sides of the box (1) are respectively opened and the first spring plunger (12) is embedded.
3. The retractable handle for a suitcase according to claim 1, characterized in that, Rubber feet are fixedly installed at the four corners of the bracket (13) on the side away from the box (1). The bracket (13) is provided with a hinge on the side close to the box (1). The box (1) is rotated and installed with the bracket (13) through the hinge.
4. The retractable handle for a suitcase according to claim 1, characterized in that, The fixing frame (21) has a reserved hole (211) and the reserved hole (211) is located in a position that matches the installation position of the first spring plunger (12). The end of the first spring plunger (12) that is away from the housing (1) passes through the reserved hole (211).
5. The retractable handle for a suitcase according to claim 1, characterized in that, The first connecting frame (22) has a first positioning hole (221) and a second positioning hole (222). After the first connecting frame (22) retracts to the fixed frame (21), the second positioning hole (222) matches the installation position of the first spring plunger (12). The top of the first spring plunger (12) is elastically inserted into the second positioning hole (222).
6. The retractable handle for a suitcase according to claim 1, characterized in that, The second connecting frame (23) is fixedly installed with a second spring plunger (231) at one end away from the first connecting frame (22). After the second connecting frame (23) retracts to the first connecting frame (22), the installation position of the second spring plunger (231) matches the opening position of the first positioning hole (221), and the top of the second spring plunger (231) is elastically inserted into the first positioning hole (221).
Citation Information
Patent Citations
Draw-bar box
CN213785824U