Suitcase with automatic braking function

Abstract

The utility model is suitable for the technical field of travel accessories, and provides a travel suitcase with an automatic braking function, which comprises a suitcase body, a brake mechanism, a brake mechanism and a brake mechanism, the pull rod device is mounted on the back surface of the box body, the pull rod device comprises a telescopic rod and a handle, the handle is provided with a mounting shell, a handle and a controller, and the mounting shell is used for mounting the handle and the controller; and a plurality of wheels are respectively arranged on the bottom surface of the box body. According to the utility model, the handle is arranged on the first mounting hole of the mounting shell, the first connecting rod on the handle is arranged above the connecting block of the controller, and the rolling or stopping of the wheel is controlled by judging whether the connecting block on the controller is connected with the first connecting rod on the handle; the stopping pieces are arranged on the wheels and electrically connected with the controller so that the controller can control the stopping pieces of the wheels to move, a user can control the wheels at the bottom of the box body to move by holding or loosening the handle, and the operation process is simplified and more convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of travel supplies, and particularly relates to a suitcase with an automatic braking function. Background Art

[0002] As a convenient tool for carrying items, suitcases are widely used in various occasions and fields: personal use, business trips, outdoor activities, students returning to school, immigration and moving, gift packaging, transportation of professional equipment, medical industry, air transportation, emergency services, etc. Suitcases come in different designs and sizes to meet the needs of different users and application scenarios, and have become an indispensable part of modern life.

[0003] The structural design of suitcases aims to provide convenience, durability and safety to meet the needs of different travelers. The common structural components of suitcases usually include the following basic parts: the box body, the box cover, the handle, the wheels, the handle, the inner lining, the wheel bearing system, etc. Different types and styles will vary according to the usage requirements or usage scenarios.

[0004] In the prior art, during the use of most suitcases, due to inertia or slopes, the suitcase may move instantaneously, endangering the safety of others or property. Therefore, brake pads are installed on the wheels of the suitcase, and users need to manually or foot-operate to brake the suitcase. However, the wheels are installed at the bottom of the suitcase. When the user is pulling the handle with one hand, they need to use their feet or the other hand to perform the braking operation, and the whole operation process is relatively complicated, affecting the use effect. Content of the Utility Model

[0005] The purpose of the embodiment of the utility model is to provide a suitcase with an automatic braking function, aiming to solve the problem that during the use of most suitcases, due to inertia or slopes, the suitcase may move instantaneously, endangering the safety of others or property. Therefore, brake pads are installed on the wheels of the suitcase, and users need to manually or foot-operate to brake the suitcase. However, the wheels are installed at the bottom of the suitcase. When the user is pulling the handle with one hand, they need to use their feet or the other hand to perform the braking operation, and the whole operation process is relatively complicated, affecting the use effect.

[0006] The embodiment of the utility model is implemented as follows. A suitcase with an automatic braking function includes:

[0007] A box body;

[0008] Trolley device, the trolley device is installed on the back of the box body. The trolley device includes a telescopic rod and a handle. The telescopic rod is rotatably connected to the handle. The telescopic rod is used to adjust the height of the handle. The handle is provided with a mounting shell, a handle and a controller. The interior of the mounting shell forms a cavity structure. The mounting shell is used for mounting the handle and the controller. The mounting shell is provided with a first mounting hole for mounting the handle. The bottom of the handle is provided with a first connecting rod. The controller is provided with a connecting block. The connecting block is installed above the first connecting rod. The controller is used to control the rolling or stopping of the wheels;

[0009] Multiple wheels are respectively installed on the bottom surface of the box body. The wheels are provided with a connecting part and a rolling part. The connecting part is provided with a stopper. The stopper is electrically connected to the controller through a power component. The stopper is used to control whether the rollers on the rolling part rotate.

[0010] Preferably, a set of telescopic rods are arranged side by side and installed on the back of the box body. The telescopic rod is provided with a first support rod and a second support rod. The first support rod is a hollow rod shape. The first support rod is fixed on the back of the box body. A plurality of strip-shaped arranged positioning holes are respectively provided on two opposite side surfaces of the first support rod; The second support rod is sleeved on the first support rod. The second support rod is provided with a positioning rod. The positioning blocks at both ends of the positioning rod are connected by a spring. The positioning rod is installed on the second support rod and the positioning blocks at both ends of the positioning rod are higher than the side surface of the second support rod. The positioning rod cooperates with the positioning holes to connect the first support rod and the second support rod. The positioning rod is connected to at least any group of positioning holes to realize the adjustment of the length of the telescopic rod. The top of the second support rod is provided with a first stepped convex block. A connecting hole is provided on the first stepped convex block. The connecting hole is used to connect with the mounting shell of the handle.

[0011] Preferably, the mounting shell is an irregular semi-shell. The front surface of the mounting shell is provided with an annular first mounting hole. The hole wall surface of the first mounting hole is communicated with the internal cavity of the mounting shell to facilitate the installation of the handle. The bottom surface of the mounting shell is provided with two groups of second stepped convex blocks and a connecting rotating rod. The second stepped convex blocks and the connecting rotating rod are connected by a first limiting spring. The first limiting spring is used to limit the rotation angle of the second stepped convex blocks. Second mounting holes are respectively provided on two opposite side surfaces of the two groups of second stepped convex blocks. The second mounting holes are used to mount a second connecting rod. The second connecting rod is connected to the connecting rotating rod. The second stepped convex block and the first stepped convex block are connected by a first rotating shaft so that the handle can be turned around the first rotating shaft.

[0012] Preferably, the handle is provided with a holding part and a connecting part. The holding part is a ring structure and is installed on the first mounting hole. The connecting part is two L-shaped first connecting rods. The connecting part is located in the internal cavity of the mounting shell. A second limiting spring connected to the inner wall surface of the mounting shell is arranged on the first connecting rod. The second limiting spring limits the moving distance of the handle. A first connection contact extending to one side is arranged on the upper surface of the first connecting rod.

[0013] Preferably, the controller body is installed in the internal cavity of the mounting shell. The controller body is electrically connected to the connecting block. The connecting block is a T-shaped structure. The middle part of the connecting block is fixed to the inner wall surface of the mounting shell. Second connection contacts are respectively arranged at both ends of the connecting block. The second connection contacts are respectively directly above the first connection contacts on two groups of first connecting rods on the handle.

[0014] Preferably, the handle is further provided with brackets. The brackets are used for hanging clothes or items. There are two groups of brackets and they are respectively installed on both side surfaces of the mounting shell. The brackets are provided with a first mounting rod, a second mounting rod and a third connecting rod. The first mounting rod is rotatably connected to the mounting shell through a second rotating shaft. The second mounting rod is sleeved on the first mounting rod and is slidably connected to the first mounting rod. The fixed end of the third connecting rod is installed on the mounting shell, and the movable end of the third connecting rod is installed on the first mounting rod.

[0015] Preferably, the wheel is further provided with a fixing part. The fixing part is connected to the connecting part. The fixing part is used for connecting to the bottom surface of the box body. The connecting part is connected to the rolling part through a third rotating shaft. The connecting part is in a U shape. An installation groove is arranged at the middle end of the connecting part. The installation groove is used for installing a stopper.

[0016] Preferably, the connecting part is further provided with a power component. The power component is connected to the stopper through a push rod. The power component is electrically connected to the controller. The power component is used to provide power for the push rod. The push rod is used to push the stopper to move.

[0017] Preferably, a plurality of solar panels are arranged on the front surface of the box body, and an installation area is arranged on the back surface. The solar panels are used for photoelectric conversion to generate electric energy and provide electric energy for the power component. Two third mounting holes are arranged in the installation area. The third mounting holes are used for installing telescopic rods.

[0018] A suitcase with an automatic braking function provided by an embodiment of the present utility model. In the present utility model, a handle device is arranged on the back of the suitcase body. The handle device includes a telescopic rod and a handle. The telescopic rod is connected to the handle and is installed on the suitcase body. The height at which the user holds the handle can be adjusted through the telescopic rod. The handle is provided with a mounting shell for installing a handle grip and a controller. The handle grip is installed in the first mounting hole of the mounting shell. Since the interior of the mounting shell is a cavity structure, the first connecting rod on the handle grip is installed above the connecting block of the controller. Whether the connecting block on the controller is connected to the first connecting rod on the handle grip is used to control the rolling or stopping of the wheels. A stopping member is arranged on the wheels, and a power member is electrically connected to the controller so that the controller can control the movement of the wheel stopping member. Holding the handle grip causes the first connecting rod on the handle grip to be connected to the connecting block on the controller to generate an electrical signal and transmit the electrical signal to the wheels to control the rolling of the wheels and drive the movement of the suitcase body. Releasing the handle grip causes the first connecting rod on the handle grip to be disconnected from the connecting block on the controller to control the wheels to stop rolling. The user can control the movement of the wheels at the bottom of the suitcase by holding or releasing the handle grip, simplifying the operation process and making it more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A three-dimensional structure diagram of a suitcase with an automatic braking function provided by an embodiment of the present utility model;

[0020] Figure 2 A structural schematic diagram of the handle in a suitcase with an automatic braking function provided by an embodiment of the present utility model;

[0021] Figure 3 A cross-sectional view of the handle in a suitcase with an automatic braking function provided by an embodiment of the present utility model;

[0022] Figure 4 A structural schematic diagram of the wheels in a suitcase with an automatic braking function provided by an embodiment of the present utility model;

[0023] Figure 5 A cross-sectional view of the wheels in a suitcase with an automatic braking function provided by an embodiment of the present utility model;

[0024] Figure 6 A structural schematic diagram of the handle after being flipped in a suitcase with an automatic braking function provided by an embodiment of the present utility model;

[0025] Figure 7 A structural schematic diagram of the bracket after being unfolded in a suitcase with an automatic braking function provided by an embodiment of the present utility model.

[0026] In the attached drawings: 1. Box body; 11. Solar panel; 2. Tie rod device; 21. Telescopic rod; 211. First support rod; 2111. Positioning hole; 212. Second support rod; 2121. First stepped convex block; 22. Handle; 221. Installation shell; 2211. First installation hole; 2212. Second stepped convex block; 2213. Second connecting rod; 2214. Bracket; 22141. First installation rod; 22142. Second installation rod; 22143. Third connecting rod; 222. Pull handle; 2221. First connecting rod; 223. Controller; 2231. Connecting block; 3. Wheels; 31. Connecting part; 311. Stopper; 312. Power part; 313. Push rod; 32. Rolling part; 33. Fixed part. Detailed implementation mode

[0027] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the attached drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0028] The following describes in detail the specific implementation of the present utility model with reference to specific embodiments.

[0029] As Figures 1-7 shown, it is a structural diagram of a suitcase with an automatic braking function provided by an embodiment of the present utility model, including: box body 1;

[0030] Tie rod device 2, the tie rod device 2 is installed on the back of the box body 1. The tie rod device 2 includes a telescopic rod 21 and a handle 22. The telescopic rod 21 is rotatably connected to the handle 22. The telescopic rod 21 is used to adjust the height of the handle 22. The handle 22 is provided with an installation shell 221, a pull handle 222 and a controller 223. The installation shell 221 has a cavity structure inside. The installation shell 221 is used for installing the pull handle 222 and the controller 223. The installation shell 221 is provided with a first installation hole 2211 for installing the pull handle 222. The bottom of the pull handle 222 is provided with a first connecting rod 2221. The controller 223 is provided with a connecting block 2231. The connecting block 2231 is installed above the first connecting rod 2221. The controller 223 is used to control the rolling or stopping of the wheels 3;

[0031] Multiple wheels 3, multiple wheels 3 are respectively installed on the bottom surface of the box body 1. The wheels 3 are provided with a connecting part 31 and a rolling part 32. The connecting part 31 is provided with a stopper 311. The stopper 311 is electrically connected to the controller 223 through a power part 312. The stopper 311 is used to control whether the rollers on the rolling part 32 rotate.

[0032] In the embodiment of the present utility model, preferably, a suitcase with an automatic braking function mainly consists of a box body 1, a handle device 2, and a plurality of wheels 3. The handle device 2 is installed on the back of the box body 1, and the plurality of wheels 3 are installed at the bottom of the box body 1. The handle device 2 is mainly provided with a telescopic rod 21 whose length can be adjusted and a handle 22 installed on the telescopic rod 21. The telescopic rod 21 and the handle 22 are rotatably connected so that the user can flip the handle 22 as needed. A handle grip 222 and a controller 223 are installed in the internal cavity structure of the mounting shell 221. The handle grip 222 is held and installed in the first mounting hole 2211 so that the user can hold the handle grip 222 and drag the suitcase. A first connecting rod 2221 is provided at the bottom of the handle grip 222, and a connecting block 2231 on the controller 223 is also installed in the internal cavity of the mounting shell 221. When the user holds the handle grip 222 and pulls it, the handle grip 222 can be driven to move and connect with the connecting block 2231 on the controller 223. At this time, an electrical signal is generated by the controller 223 to control the stopper 311 on the wheels 3 of the box body 1 to disconnect from the rolling part 32, so that the wheels 3 can roll and the suitcase can be pulled to move. When the user needs to stop, the handle grip 222 can be released, so that the first connecting rod 2221 on the handle grip 222 disconnects from the connecting block 2231. At this time, the electrical signal is interrupted, so that the stopper 311 resets and contacts the wheels 3 on the rolling part 32 to control the wheels 3 not to roll. Then the suitcase automatically brakes, and the wheels 3 will not continuously drive the box body 1 to move due to inertia. Moreover, it is not necessary for the user to perform a braking operation with the foot or another hand while holding the box body 1 by hand, which simplifies the entire operation process. It can also prevent the problem that when the user suddenly releases the hand in case of an emergency, the suitcase will not slide automatically due to inertia or the ground inclination, which may even endanger others or property safety.

[0033] In an example of the present utility model, a pull rod device 2 is provided on the back of the box body 1. The pull rod device 2 includes a telescopic rod 21 and a handle 22. The telescopic rod 21 is connected to the handle 22. The telescopic rod 21 is installed on the box body 1. The height at which the user holds the handle 22 can be adjusted through the telescopic rod 21. The handle 22 is provided with an installation shell 221 for installing a handle 222 and a controller 223. The handle 222 is installed on the first installation hole 2211 of the installation shell 221. Since the interior of the installation shell 221 is a cavity structure, the first connecting rod 2221 on the handle 222 is installed above the connecting block 2231 of the controller 223. Whether the connecting block 2231 on the controller 223 is connected to the first connecting rod 2221 on the handle 222 is used to control the rolling or stopping of the wheel 3. A stop member 311 is provided on the wheel 3, and the power member 312 is electrically connected to the controller 223 so that the controller 223 can control the movement of the stop member 311 of the wheel 3. Holding the handle 222 causes the first connecting rod 2221 on the handle 222 to be connected to the connecting block 2231 on the controller 223 to generate an electrical signal and transmit the electrical signal to the wheel 3 to control the rolling of the wheel 3 and drive the movement of the box body 1. Releasing the handle 222 causes the first connecting rod 2221 on the handle 222 to be disconnected from the connecting block 2231 on the controller 223 to control the wheel 3 to stop rolling. The user can control the movement of the wheels 3 at the bottom of the box body 1 by holding or releasing the handle 222, which simplifies the operation process and makes it more convenient.

[0034] As Figures 1-7 shown, as a preferred embodiment of the present utility model, a set of the telescopic rods 21 are provided and arranged side by side on the back of the box body 1. The telescopic rod 21 is provided with a first support rod 211 and a second support rod 212. The first support rod 211 is a hollow rod shape. The first support rod 211 is fixed on the back of the box body 1. A plurality of strip-shaped arranged positioning holes 2111 are respectively provided on two opposite side surfaces of the first support rod 211. The second support rod 212 is sleeved on the first support rod 211. The second support rod 212 is provided with a positioning rod. The positioning blocks at both ends of the positioning rod are connected by springs. The positioning rod is installed on the second support rod 212 and the positioning blocks at both ends of the positioning rod are higher than the side surface of the second support rod 212. The positioning rod is matched with the positioning holes 2111 to connect the first support rod 211 and the second support rod 212. The positioning rod is connected to at least any group of positioning holes 2111 to adjust the length of the telescopic rod 21. A first stepped convex block 2121 is provided at the top of the second support rod 212. A connecting hole is provided on the first stepped convex block 2121. The connecting hole is used to connect with the installation shell 221 of the handle 22.

[0035] In an embodiment of the present utility model, preferably, the telescopic rod 21 installed on the back of the box body 1 can be a hollow rod shape and includes a first support rod 211 and a second support rod 212. The second support rod 212 is sleeved on the first support rod 211, and the second support rod 212 is positioned by the positioning hole 2111 on the first support rod 211. And by pulling the second support rod 212, the positioning block connected by a spring on the second support rod 212 is matched with the positioning holes 2111 at different positions to adjust the length of the telescopic rod 21. A stepped convex block is provided at the other end of the second support rod 212 and a connection hole is provided for rotatably connecting with the mounting shell 221 of the handle 22.

[0036] As Figures 1-7 shown, as a preferred embodiment of the present utility model, the mounting shell 221 is an irregular semi-shell. A circular first mounting hole 2211 is provided on the front surface of the mounting shell 221. The hole wall surface of the first mounting hole 2211 is communicated with the internal cavity of the mounting shell 221 to facilitate the installation of the handle 222. Two groups of second stepped convex blocks 2212 and a connecting rotating rod are provided on the bottom surface of the mounting shell 221. The second stepped convex blocks 2212 and the connecting rotating rod are connected by a first limiting spring. The first limiting spring is used to limit the rotation angle of the second stepped convex blocks 2212. Second mounting holes are respectively provided on two opposite side surfaces of the two groups of second stepped convex blocks 2212. The second mounting holes are used for installing the second connecting rod 2213. The second connecting rod 2213 is connected with the connecting rotating rod. The second stepped convex blocks 2212 and the first stepped convex block 2121 are connected by a first rotating shaft so that the handle 22 can be turned over around the first rotating shaft.

[0037] In an embodiment of the present utility model, preferably, the mounting shell 221 can be a semi-closed shell with a certain thickness. The first circular first mounting hole 2211 provided on the front surface of the mounting shell 221 can be an irregular hole with an inner diameter larger than the outer diameter of the handle 222. A loop-shaped hole is provided on the hole wall of the first mounting hole 2211 for generally mounting the handle 222. There is a certain gap between the handle 222 and the hole wall surface of the first mounting hole 2211 so that when the handle 222 is held and pulled, it can move, enabling the first connecting rod 2221 to be connected with the connecting block 2231. Two stepped convex blocks are provided at the bottom surface of the mounting shell 221 to cooperate with the first stepped convex block 2121 on the telescopic rod 21 and are connected by a connecting rotating rod, enabling the mounting shell 221 to be turned over around the connecting rotating rod, similar to a small tabletop for placing items. The mounting shell 221 can be turned over plus or minus 90 degrees when being turned over.

[0038] As Figures 1-7As shown, as a preferred embodiment of the utility model, the handle 222 is provided with a holding portion and a connecting portion 31, the holding portion is an annular structure and is installed on the first mounting hole 2211, the connecting portion 31 is two L-shaped first connecting rods 2221, the connecting portion 31 is located in the internal cavity of the mounting shell 221, the first connecting rod 2221 is provided with a second limit spring connected to the inner wall surface of the mounting shell 221, the second limit spring limits the moving distance of the handle 222, and the upper surface of the first connecting rod 2221 is provided with a first connecting contact extending to one side.

[0039] In the embodiment of the utility model, preferably, the holding portion of the handle 222 can be an annular protrusion with a certain thickness, and the connecting portion 31 connected to the holding portion can be two L-shaped first connecting rods 2221. A first connecting contact is provided on the inner side surface of the first connecting rod 2221 facing the holding portion, which can be connected to the connecting block 2231 of the controller 223. A second limit spring is provided so that when the user releases the handle 222, the first connecting rod 2221 is reset and disconnected from the connecting block 2231.

[0040] like Figures 1-7 As shown, as a preferred embodiment of the utility model, the controller 223 body is installed in the internal cavity of the mounting shell 221, the controller 223 body is electrically connected to the connecting block 2231, the connecting block 2231 is a T-shaped structure, the middle part of the connecting block 2231 is fixed on the inner wall surface of the mounting shell 221, and second connecting contacts are respectively arranged at both ends of the connecting block 2231, and the second connecting contacts are respectively located directly above the first connecting contacts on the two groups of first connecting rods 2221 on the handle 222.

[0041] In the embodiment of the utility model, preferably, the controller 223 body can be electrically connected to the wheel 3 by signal transmission to facilitate the controller 223 to control the action of the stopper 311 on the wheel 3. The T-shaped connecting block 2231 on the controller 223 is installed on the inner wall surface of the mounting shell 221 with its middle portion and its two ends are located directly above the first connecting rod 2221. The second connecting contact point set on the connecting block 2231 can generate an electrical signal and transmit it to the controller 223 as soon as it contacts the first connecting contact point, and the movement or stop of the wheel 3 is controlled by the controller 223.

[0042] like Figures 1-7As shown, as a preferred embodiment of the present utility model, the handle 22 is further provided with a bracket 2214 for hanging clothes or items. Two groups of brackets 2214 are provided and are respectively installed on two side surfaces of the mounting shell 221. The bracket 2214 is provided with a first mounting rod 22141, a second mounting rod 22142 and a third connecting rod 22143. The first mounting rod 22141 is rotatably connected to the mounting shell 221 through a second rotating shaft. The second mounting rod 22142 is sleeved on the first mounting rod 22141 and is slidably connected to the first mounting rod 22141. The fixed end of the third connecting rod 22143 is installed on the mounting shell 221, and the movable end of the third connecting rod 22143 is installed on the first mounting rod 22141.

[0043] In an embodiment of the present utility model, preferably, the handle 22 can also be provided with a group of brackets 2214 installed on two opposite side surfaces of the mounting shell 221. The length of the bracket 2214 can be adjusted according to the sliding between the first mounting rod 22141 and the second mounting rod 22142. The third connecting rod 22143 is installed on the first mounting rod 22141 to facilitate the unfolding of the bracket 2214 for use, or the bracket 2214 can be stored and installed on both sides of the mounting shell 221, which is both convenient and practical.

[0044] As Figures 1-7 As shown, as a preferred embodiment of the present utility model, the wheel 3 is further provided with a fixing part 33, the fixing part 33 is connected to the connecting part 31, the fixing part 33 is used for connecting to the bottom surface of the box body 1, the connecting part 31 is connected to the rolling part 32 through a third rotating shaft, the connecting part 31 is in a U shape, and an installation groove is provided at the middle end of the connecting part 31 for installing a stop member 311.

[0045] In an embodiment of the present utility model, preferably, the fixing part 33 of the wheel 3 and the bottom surface of the box body 1 can be rotatably connected so that the wheel 3 can turn. The connecting part 31 of the wheel 3 is arranged between the fixing part 33 and the rolling part 32, and the connecting part 31 can be a U-shaped hollow structure to facilitate the installation of the rolling part 32. The provided installation groove can install the stop member 311 to facilitate the stop member 311 to brake the roller on the rolling part 32.

[0046] As Figures 1-7 As shown, as a preferred embodiment of the present utility model, the connecting part 31 is further provided with a power member 312. The power member 312 is connected to the stop member 311 through a push rod 313. The power member 312 is electrically connected to the controller 223. The power member 312 is used to provide power for the push rod 313, and the push rod 313 is used to push the stop member 311 to move.

[0047] In the embodiment of the present utility model, preferably, the back surface of the stopper 311 is connected to the power member 312 through a push rod 313. The push signal of the power member 312 is sent by the controller 223. The power member 312 pushes the push rod 313 to move the stopper 311 and brake the rolling of the roller. The power member 312 is reset to drive the stopper 311 to move in the reverse direction through the push rod 313 to release the braking of the roller and make the roller roll.

[0048] As Figures 1-7 shown, as a preferred embodiment of the present utility model, a plurality of solar panels 11 are arranged on the front surface of the box body 1, and an installation area is arranged on the back surface. The solar panels 11 are used for photoelectric conversion to generate electric energy and provide electric energy for the power member 312. Two third installation holes are arranged in the installation area, and the third installation holes are used for installing the telescopic rod 21.

[0049] In the embodiment of the present utility model, preferably, the box body 1 can be a square combined shell, and a lock can also be provided to facilitate opening or closing the box body 1. The solar panel 11 is arranged on the front surface of the box body 1 to deliver the electric energy generated by the photoelectric conversion to the power member 312, and a recessed installation area is arranged on the back surface of the box body 1. The first support rod 211 of the telescopic rod 21 is installed through the third installation hole. The installation area can be a rectangular groove, and the depth of the groove is not less than the thickness of the telescopic rod 21.

[0050] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A suitcase with an automatic braking function, characterized in that, The suitcase with an automatic braking function includes: A case body; A handle device, which is installed on the back of the case body. The handle device includes a telescopic rod and a handle. The telescopic rod is rotatably connected to the handle. The telescopic rod is used to adjust the height of the handle. The handle is provided with a mounting shell, a handle grip and a controller. The interior of the mounting shell forms a cavity structure, and the mounting shell is used for mounting the handle grip and the controller. The mounting shell is provided with a first mounting hole for mounting the handle grip. The bottom of the handle grip is provided with a first connecting rod. The controller is provided with a connecting block, and the connecting block is installed above the first connecting rod. The controller is used to control the rolling or stopping of the wheels; A plurality of wheels, which are respectively installed on the bottom surface of the case body. The wheels are provided with a connecting part and a rolling part. The connecting part is provided with a stopper, and the stopper is electrically connected to the controller through a power component. The stopper is used to control whether the rollers on the rolling part rotate.

2. The suitcase with an automatic braking function according to claim 1, characterized in that, One set of telescopic rods is provided and arranged side by side on the back of the case body. The telescopic rod is provided with a first support rod and a second support rod. The first support rod is a hollow rod shape and is fixed to the back of the case body. A plurality of strip-shaped arranged positioning holes are respectively provided on two opposite side surfaces of the first support rod; the second support rod is sleeved on the first support rod. The second support rod is provided with a positioning rod. The positioning blocks at both ends of the positioning rod are connected by a spring. The positioning rod is installed on the second support rod and the positioning blocks at both ends of the positioning rod are higher than the side surface of the second support rod. The positioning rod is matched with the positioning holes to connect the first support rod and the second support rod. The positioning rod is connected to at least any one set of positioning holes to realize the adjustment of the length of the telescopic rod. The top of the second support rod is provided with a first stepped convex block, and a connecting hole is provided on the first stepped convex block. The connecting hole is used to connect with the mounting shell of the handle.

3. The suitcase with an automatic braking function according to claim 2, characterized in that, The mounting shell is an irregular semi-shell. The front surface of the mounting shell is provided with an annular first mounting hole. The hole wall surface of the first mounting hole is communicated with the internal cavity of the mounting shell to facilitate the installation of the handle grip. The bottom surface of the mounting shell is provided with two sets of second stepped convex blocks and a connecting rotating rod. The second stepped convex blocks and the connecting rotating rod are connected by a first limiting spring. The first limiting spring is used to limit the rotation angle of the second stepped convex blocks. Second mounting holes are respectively provided on two opposite side surfaces of the two sets of second stepped convex blocks. The second mounting holes are used to mount a second connecting rod. The second connecting rod is connected to the connecting rotating rod. The second stepped convex block and the first stepped convex block are connected by a first rotating shaft so that the handle can be turned around the first rotating shaft.

4. The suitcase with an automatic braking function according to claim 3, characterized in that, The handle grip is provided with a holding part and a connecting part. The holding part is a ring structure and is installed on the first mounting hole. The connecting part is two L-shaped first connecting rods. The connecting part is located in the internal cavity of the mounting shell. A second limiting spring connected to the inner wall surface of the mounting shell is provided on the first connecting rod. The second limiting spring limits the moving distance of the handle grip. A first connecting contact extending to one side is provided on the upper surface of the first connecting rod.

5. The suitcase with an automatic braking function according to claim 4, characterized in that, The controller body is installed in the inner cavity of the installation shell. The controller body is electrically connected to the connection block. The connection block has a T-shaped structure. The middle part of the connection block is fixed to the inner wall surface of the installation shell. Second connection contacts are respectively arranged at both ends of the connection block, and the second connection contacts are respectively directly above the first connection contacts on two groups of first connecting rods on the handle.

6. The suitcase with an automatic braking function according to claim 3, characterized in that, The handle is further provided with brackets. The brackets are used for hanging clothes or items. There are two groups of brackets which are respectively installed on both side surfaces of the installation shell. The brackets are provided with a first mounting rod, a second mounting rod and a third connecting rod. The first mounting rod is rotatably connected to the installation shell through a second rotating shaft. The second mounting rod is sleeved on the first mounting rod and is slidably connected to the first mounting rod. The fixed end of the third connecting rod is installed on the installation shell, and the movable end of the third connecting rod is installed on the first mounting rod.

7. The suitcase with an automatic braking function according to claim 1, wherein, The wheel is further provided with a fixing part. The fixing part is connected to the connecting part. The fixing part is used for connecting to the bottom surface of the box body. The connecting part is connected to the rolling part through a third rotating shaft. The connecting part is in a U-shaped shape. An installation groove is arranged at the middle end of the connecting part, and the installation groove is used for installing a stopper.

8. The suitcase with an automatic braking function according to claim 7, characterized in that, The connecting part is further provided with a power component. The power component is connected to the stopper through a push rod. The power component is electrically connected to the controller. The power component is used to provide power for the push rod, and the push rod is used to push the stopper to move.

9. The suitcase with an automatic braking function according to claim 8, wherein, A plurality of solar panels are arranged on the front surface of the box body, and an installation area is arranged on the back surface. The solar panels are used to convert photoelectricity to generate electric energy and provide electric energy for the power component. Two third installation holes are arranged in the installation area, and the third installation holes are used for installing telescopic rods.

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