A three-mode USB connector that is easy to fold and store

Abstract

The present invention provides a tri-mode USB connector that is easily folded and stored, relating to the field of connector storage technology. The connector comprises a lifting device, a storage device, and a USB connector body. The two ends of the storage device are connected to the top of the lifting device, the bottom of the USB connector body overlaps the inner wall of the storage device, and the top of the storage device overlaps the upper surface of the USB connector body. The lifting device comprises a support base, a fixed end, a telescopic rod, a dividing head, and a sealing end. The present invention drives the angle of the direction adjustment device to change by pushing the retraction device. When the retraction device is released, the clamping plate is pressed onto the USB connector body through the reset of the torsion spring to complete the fixation. This process only requires pushing the retraction device, which is extremely simple and convenient to operate. In addition, both ends of the device are hollowed out, so as not to interfere with the normal use of the USB connector body.

Description

Technical Field

[0001] The present invention relates to the technical field of connector storage, and in particular to a three-mode USB connector that is convenient for folding and storage. Background Art

[0002] USB, short for "Universal Serial Bus," is a way for electronic products to connect to each other. It's widely used in various peripheral devices, including mobile devices, audio-visual devices, automotive electronics, multimedia devices, and electrical appliances. There are three types of USB interfaces: USB 1.1, USB 2.0, and USB 3.0.

[0003] However, in the prior art, existing USB connectors are generally placed directly into a storage box when being stored. At present, ordinary storage boxes only protect the connectors with foam paper or soft pads. The fixing effect can only be provided by the card slots on the foam paper and soft pads that are compatible with the connectors. After long-term use, if the slot walls are worn, the fixing effect will be directly reduced, which will easily cause the connector to shake in the storage box. Once the shaking amplitude is too large, the connector will easily be damaged. In addition, the material of such foam paper or soft pads is relatively soft, and their fixing effect when actually storing the connector will be different from that of mechanical structures. Summary of the Invention

[0004] The purpose of the present invention is to solve the shortcomings existing in the prior art. By pushing the retraction device to change the angle of the direction adjustment device, the direction adjustment device will drive the clamping plate to leave the load-bearing platform, thereby exposing the space above the load-bearing platform, so that the USB connector body can be placed on the load-bearing platform. Then, the retraction device is released and the clamping plate can be pressed onto the USB connector body through the reset of the torsion spring to complete the fixation. This process only requires pushing the retraction device, and the operation is extremely simple and convenient. In addition, both ends of this device are hollowed out, which will not interfere with the normal use of the USB connector body. It can be used as an auxiliary support frame to separate different USB connectors, thereby expanding the scope of application of this device.

[0005] In order to achieve the above-mentioned objectives, the present invention adopts the following technical solution: a three-mode USB connector that is easy to fold and store, comprising a lifting device, a storage device and a USB connector body, wherein both ends of the storage device are connected to the top of the lifting device, the bottom of the USB connector body overlaps the inner wall of the storage device, and the top of the storage device overlaps the upper surface of the USB connector body, the lifting device comprises a support base, a fixed end, a telescopic rod, a separating head and a sealing end head, the fixed end head is fixedly installed on the top of the support base, one end of the telescopic rod is fixedly connected to the inside of the fixed end head, and the other end of the telescopic rod is fixedly connected to the inside of the separating head, the separating head is located between the sealing end head and the fixed end head, and the sealing end head is fixedly installed on the top of the telescopic rod.

[0006] As a preferred embodiment, the storage device includes a carrying platform, a direction adjustment device, a retraction device, a splint, a positioning plate, a reinforcement rod and a lifting plate. The direction adjustment device is installed on both sides of the carrying platform, the retraction device is installed on the bottom of the carrying platform, the two ends of the retraction device are connected to the inside of the direction adjustment device, one end of the direction adjustment device is fixedly connected to the outer wall of the splint, one end of the reinforcement rod is fixedly connected to the inside of the sealing end head, and the other end of the reinforcement rod is fixedly connected to the inside of the direction adjustment device.

[0007] The beneficial effects of adopting the above further solution are: reducing the difficulty of fixing the USB connector body, and using the telescopic rod to complete the lifting and storage of the entire device, so as to reduce the overall volume after receiving the connector body to obtain a good stability effect.

[0008] As a preferred embodiment, a lifting plate is provided at one end of the carrying platform, and the lifting plate is located at the top of the lifting device. A positioning plate is fixedly installed on the upper surface of the carrying platform, and the bottom of the USB connector body is overlapped at the junction of the positioning plate and the carrying platform.

[0009] The beneficial effect of adopting the above further solution is that during operation, the entire device can be pulled out by the lifting plate, and after the USB connector body is placed, the device can be pressed down by using the lifting plate, thereby reducing the chance of contact with the USB connector body during the storage process.

[0010] As a preferred embodiment, the direction adjustment device includes a fixed side plate, a first rotating shaft, a mechanical rotating arm, a transfer support rod and a fixed block, one side of the fixed side plate is fixedly connected to one end of the reinforcement rod, both ends of the first rotating shaft are rotatably connected to the inside of the fixed side plate, a torsion spring is installed at the intersection of the first rotating shaft and the fixed side plate, one end of the mechanical rotating arm is rotatably connected to the outer wall of the first rotating shaft, both ends of the transfer support rod are fixedly connected to the other end of the mechanical rotating arm, and the fixed block is fixedly installed on the outer wall of the transfer support rod.

[0011] The beneficial effect of adopting the above further solution is that the mechanical arm is connected to the fixed block and the fixed side plate through the adapter support rod, which can ensure the overall structural stability and determine the rotation direction of the entire mechanical arm to prevent the occurrence of excessive rotation amplitude.

[0012] As a preferred embodiment, one side of the fixed block is fixedly connected to an arc-shaped support block, and extension rods are provided on both sides of the arc-shaped support block. One end of the extension rod is rotatably connected to a second rotating shaft, and an installation connection block is installed on the outer wall of the second rotating shaft.

[0013] The beneficial effect of adopting the above further solution is that the extension rod is used to connect the arc-shaped support block and the splint together, and the overall H-shaped structural shape can effectively improve the overall structural strength, making it more pressure-resistant and impact-resistant.

[0014] As a preferred embodiment, a accommodating tube is fixedly mounted on the outer wall of the arc-shaped support block, one side of the mounting connection block is fixedly connected to the outer wall of the bearing platform, and the other end of the extension rod is fixedly connected to the outer wall of the splint.

[0015] The beneficial effect of adopting the above-mentioned further scheme is that the accommodating tube connects the direction adjustment device with the retraction device, and the installation of the connecting block can determine the rotation angle and range of the arc support block. When used in conjunction with the fixed side plate, the overall structural strength will be greatly improved during the operation of the direction adjustment device.

[0016] As a preferred embodiment, the contraction device includes a push rod, a first limiting plate, a hollow cone, a movable clamping plate and an arc-shaped push plate. One end of the push rod is fixedly connected to one end of the movable clamping plate. The push rod passes through the hollow cone and the first limiting plate. The outer wall of the movable clamping plate overlaps the outer wall of the hollow cone. The other end of the movable clamping plate is fixedly connected to one side of the arc-shaped push plate.

[0017] The beneficial effect of adopting the above further solution is that the retraction device can be directly activated by the push rod to drive the direction adjustment device to operate. When the retraction device is loosened, the splint can be pressed onto the USB connector body through the reset of the torsion spring to complete the fixation. This process only requires pushing the retraction device, and the operation is extremely simple and convenient.

[0018] As a preferred embodiment, the first limit plate is fixedly mounted on the lower surface of the carrying platform, a connecting rope is overlapped on the other side of the arc-shaped push plate, both ends of the connecting rope are connected to the inside of the accommodating tube, and a second limit platform is provided on the outer wall of the connecting rope, the second limit platform is fixedly mounted on the lower surface of the carrying platform, and the second limit platform is located on both sides of the hollow cone.

[0019] The beneficial effects of adopting the above further solution are: limiting the various components of the retraction device, improving the safety of the retraction device during operation, and preventing the retraction device from affecting the normal placement of the USB connector body.

[0020] Compared with the prior art, the advantages and positive effects of the present invention are:

[0021] 1. In the present invention, the angle of the direction adjustment device is changed by pushing the retraction device, and the direction adjustment device will drive the clamping plate to leave the load-bearing platform, thereby exposing the space above the load-bearing platform, so that the USB connector body can be placed on the load-bearing platform. Then, the retraction device is released and the clamping plate can be pressed onto the USB connector body through the reset of the torsion spring to complete the fixation. This process only requires pushing the retraction device, which is extremely simple and convenient to operate. In addition, both ends of this device are hollowed out, which does not interfere with the normal use of the USB connector body. It can be used as an auxiliary support frame to separate different USB connectors, expanding the scope of application of this device.

[0022] 2. In the present invention, the direction adjustment device can obtain greater structural strength through the cooperation of the mechanical rotating arm and the arc-shaped support block to withstand greater pressure, and can improve the impact resistance in the event of a fall or collision. The retraction device located at the bottom of the load-bearing platform can reduce the probability of being accidentally touched, and the push rod is connected to the angle adjustment device through a connecting rope. Even if the push rod is accidentally pushed, it will not be displaced to a large extent, which is conducive to improving the overall stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional diagram of a tri-mode USB connector that is easy to fold and store is provided for the present invention;

[0024] Figure 2 The present invention provides a schematic structural diagram of a lifting device for a tri-mode USB connector that is easy to fold and store;

[0025] Figure 3 The present invention provides a schematic structural diagram of a storage device for a tri-mode USB connector that is easy to fold and store;

[0026] Figure 4 The present invention provides a schematic structural diagram of a direction adjustment device and a retraction device for a three-mode USB connector that is easy to fold and store;

[0027] Figure 5 For the present invention Figure 4 A schematic diagram of the structure of part A;

[0028] Figure 6 For the present invention Figure 5 Schematic diagram of the enlarged structure of part B.

[0029] Legend:

[0030] 1. Lifting device; 2. Storage device; 3. USB connector body;

[0031] 11. Support base; 12. Fixed end; 13. Telescopic rod; 14. Separating head; 15. Sealing end;

[0032] 21. Loading platform; 22. Direction adjustment device; 23. Retraction device; 24. Clamping plate; 25. Positioning plate; 26. Reinforcement rod; 27. Lifting plate;

[0033] 221, fixed side plate; 222, first rotating shaft; 223, mechanical rotating arm; 224, transfer support rod; 225, fixed block; 226, arc-shaped support block; 227, extension rod; 228, mounting connection block; 229, second rotating shaft; 2210, receiving tube;

[0034] 231. Push rod; 232. First limiting plate; 233. Hollow round platform; 234. Movable clamping plate; 235. Arc-shaped push plate; 236. Connecting rope; 237. Second limiting platform. DETAILED DESCRIPTION

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] Example 1

[0037] like Figure 1-2As shown, the present invention provides a technical solution: a three-mode USB connector that is easy to fold and store, comprising a lifting device 1, a storage device 2 and a USB connector body 3, wherein both ends of the storage device 2 are connected to the top of the lifting device 1, the bottom of the USB connector body 3 overlaps the inner wall of the storage device 2, and the top of the storage device 2 overlaps the upper surface of the USB connector body 3, the lifting device 1 comprises a support base 11, a fixed end 12, a telescopic rod 13, a separating head 14 and a sealing end head 15, the fixed end 12 is fixedly installed on the top of the supporting base 11, one end of the telescopic rod 13 is fixedly connected to the inside of the fixed end 12, and the other end of the telescopic rod 13 is fixedly connected to the inside of the separating head 14, the separating head 14 is located between the sealing end head 15 and the fixed end 12, and the sealing end head 15 is fixedly installed on the top of the telescopic rod 13.

[0038] In this embodiment, the USB connector body 3 is directly placed inside the storage device 2. When in use, the lifting device 1 must first be pulled out to expose the space above the storage device 2. The telescopic rod 13 in the entire lifting device 1 is layered and positioned by the dividing head 14. The bottom is fixed to the fixed end head 12, and the top is limited by the sealing end head 15. The overall support is achieved by the support base 11 at the bottom. After the entire lifting device 1 is completely pulled out, the USB connector body 3 can be placed on the storage device 2.

[0039] Example 2

[0040] like Figure 3 As shown, the storage device 2 includes a carrying platform 21, a direction adjustment device 22, a retraction device 23, a splint 24, a positioning plate 25, a reinforcement rod 26 and a lifting plate 27. The direction adjustment device 22 is installed on both sides of the carrying platform 21, and the retraction device 23 is installed at the bottom of the carrying platform 21. Both ends of the retraction device 23 are connected to the inside of the direction adjustment device 22. One end of the direction adjustment device 22 is fixedly connected to the outer wall of the splint 24. One end of the reinforcement rod 26 is fixedly connected to the inside of the sealing end head 15. The other end of the reinforcement rod 26 is fixedly connected to the inside of the direction adjustment device 22. A lifting plate 27 is provided at one end of the carrying platform 21. The lifting plate 27 is located at the top of the lifting device 1. The positioning plate 25 is fixedly installed on the upper surface of the carrying platform 21. The bottom of the USB connector body 3 overlaps the junction of the positioning plate 25 and the carrying platform 21.

[0041] In this embodiment, the storage device 2 mainly accommodates the USB connector body 3 through the supporting platform 21, and when placing the USB connector body 3, the positioning plate 25 can play a role in auxiliary positioning and limiting. Before placing the USB connector body 3, it is necessary to use the retraction device 23 to start the direction adjustment device 22 to drive the clamping plate 24 to move away from the supporting platform 21, and then place the USB connector body 3 on the supporting platform 21. Finally, release the retraction device 23 to cover the clamping plate 24 on the USB connector body 3 for clamping and fixing. The reinforcement rod 26 can enhance the structural strength of the entire storage device 2, and the lifting plate 27 is used to raise the height of the lifting device 1 to reduce the chance of contact with the USB connector body 3 during the storage process.

[0042] Example 3

[0043] like Figure 4 and Figure 5 As shown, the direction adjustment device 22 includes a fixed side plate 221, a first rotating shaft 222, a mechanical rotating arm 223, a transfer support rod 224 and a fixed block 225. One side of the fixed side plate 221 is fixedly connected to one end of the reinforcement rod 26. Both ends of the first rotating shaft 222 are rotatably connected to the inside of the fixed side plate 221. A torsion spring is installed at the intersection of the first rotating shaft 222 and the fixed side plate 221. One end of the mechanical rotating arm 223 is rotatably connected to the outer wall of the first rotating shaft 222. Both ends of the transfer support rod 224 are fixedly connected to the other end of the mechanical rotating arm 223. The fixed block 225 is fixedly installed on the outer wall of the transfer support rod 224, and one side of the fixed block 225 is fixedly connected to the arc-shaped support block 226. Extension rods 227 are provided on both sides of the arc-shaped support block 226. One end of the extension rod 227 is rotatably connected to the second rotating shaft 229. The outer wall of the second rotating shaft 229 is provided with an installation connection block 228. The outer wall of the arc-shaped support block 226 is fixedly installed with a accommodating tube 2210. One side of the installation connection block 228 is fixedly connected to the outer wall of the supporting platform 21, and the other end of the extension rod 227 is fixedly connected to the outer wall of the splint 24.

[0044] In this embodiment, the direction adjustment device 22 is mainly realized by the mechanical rotating arm 223 to change the angle. When the mechanical rotating arm 223 changes its angle under the drive of the retraction device 23, the recovery first rotates around the first rotating shaft 222 on the fixed side plate 221, and synchronously compresses the torsion spring located at the intersection during the rotation. At this time, the transfer support rod 224 located at the other end of the mechanical rotating arm 223 will drive the fixed block 225 to rotate synchronously, and the center of the specific rotation route is the first rotating shaft 222. At this time, the fixed block 225 will directly push the arc support block 226 to rotate. Since one end of the arc support block 226 is connected to the supporting platform 21 through the installation connection block 228, this arc support block 226 will It rotates around the second axis 229, and during the rotation, the splint 24 is taken away from the supporting platform 21 by the extension rod 227, at which time the USB connector body 3 is prevented from falling onto the supporting platform 21. Finally, when the retraction device 23 is released, the entire direction adjustment device 22 will drop under the action of the torsion spring, and the mechanical arm 223 will rebound to the initial position, and the entire direction adjustment device 22 will rotate in the opposite direction, buckling the splint 24 onto the USB connector body 3 to complete the fixation. Compared with ordinary foam systems and soft pads, this method has a better fixing effect on the USB connector body 3, and the overall structural strength is higher, which can withstand greater pressure and can improve the impact resistance in the event of a drop or collision.

[0045] Example 4

[0046] like Figure 4 and 6 As shown, the contraction device 23 includes a push rod 231, a first limiting plate 232, a hollow cone 233, a movable clamping plate 234 and an arc-shaped push plate 235. One end of the push rod 231 is fixedly connected to one end of the movable clamping plate 234. The push rod 231 passes through the hollow cone 233 and the first limiting plate 232. The outer wall of the movable clamping plate 234 is overlapped on the outer wall of the hollow cone 233. The other end of the movable clamping plate 234 is fixedly connected to one side of the arc-shaped push plate 235. The first limiting plate 232 is fixedly installed on the lower surface of the supporting platform 21. The other side of the arc-shaped push plate 235 is overlapped with a connecting rope 236. Both ends of the connecting rope 236 are connected to the inside of the accommodating tube 2210. A second limiting platform 237 is provided on the outer wall of the connecting rope 236. The second limiting platform 237 is fixedly installed on the lower surface of the supporting platform 21. The second limiting platform 237 is located on both sides of the hollow cone 233.

[0047] In this embodiment, the retraction device 23 is connected to the direction adjustment device 22 through a connecting rope 236. When controlling the retraction device 23, it is necessary to push the push rod 231 inward. The push rod 231 will push the movable card plate 234 and the arc-shaped push plate 235 at the top, thereby stretching the connecting rope 236. Since the length of the connecting rope 236 is fixed, and since the arc-shaped push plate 235 is located at the middle end of the entire connecting rope 236, the accommodating tube 2210 will be driven by the connecting rope 236, wherein the movable card plate 234 is used to fix the push rod 231 on the hollow cone 233 to prevent it from falling off, and the first limiting plate 232 and the second limiting platform 237 are used to limit the push rod 231 and the connecting rope 236, thereby improving the safety of the retraction device 23 during operation, and at the same time preventing the retraction device 23 from affecting the normal placement of the USB connector body 3.

[0048] Working principle:

[0049] like Figure 1-6As shown, the USB connector body 3 is directly placed inside the storage device 2. When in use, the lifting device 1 needs to be pulled out first to expose the space above the storage device 2. The telescopic rod 13 in the entire lifting device 1 is layered and positioned by the dividing head 14. The bottom is fixed on the fixed end head 12, and the top is limited by the sealing end head 15. The overall support is achieved by the bottom support base 11. After the entire lifting device 1 is completely pulled out, the USB connector body 3 can be placed on the storage device 2. The storage device 2 mainly accommodates the USB connector body 3 through the carrying platform 21. When placing the USB connector body 3, the positioning plate 25 can play a role in auxiliary positioning and limiting. Before the USB connector body 3 is placed on the carrier platform 21, the direction adjustment device 22 needs to be activated by the retraction device 23 to drive the clamping plate 24 to move away from the carrier platform 21, and then the USB connector body 3 is placed on the carrier platform 21. Finally, the retraction device 23 is released to cover the clamping plate 24 on the USB connector body 3 for clamping and fixing. The reinforcement rod 26 can improve the structural strength of the entire storage device 2, and the lifting plate 27 is used to raise the height of the lifting device 1 to reduce the chance of contact with the USB connector body 3 during the storage process. The direction adjustment device 22 is mainly realized by the mechanical arm 223 to change the angle. When the mechanical arm 223 changes its angle under the drive of the retraction device 23, the retraction device 23 first revolves around the fixed side plate 221. The first rotating shaft 222 rotates and compresses the torsion spring at the intersection during the rotation. At this time, the transfer support rod 224 at the other end of the mechanical rotating arm 223 drives the fixed block 225 to rotate synchronously. The center of the specific rotation route is the first rotating shaft 222. At this time, the fixed block 225 directly pushes the arc support block 226 to rotate. Since one end of the arc support block 226 is connected to the supporting platform 21 through the installation connecting block 228, the arc support block 226 will rotate around the second rotating shaft 229. During the rotation, the splint 24 will be taken away from the supporting platform 21 through the extension rod 227. At this time, the USB connector body 3 is prevented from being on the supporting platform 21. Finally, when the retraction device 23 is released When the retraction device 23 is in operation, the push rod 231 is pushed inward, and the push rod 231 pushes the movable card plate 234 and the arc-shaped push plate 235 at the top, thereby stretching the connecting rope 236. Since the length of the connecting rope 236 is fixed, and since the arc-shaped push plate 235 is located at the middle end of the entire connecting rope 236, the accommodating tube 2210 is driven by the connecting rope 236.The movable clamping plate 234 is used to fix the push rod 231 on the hollow truncated platform 233 to prevent it from falling off, while the first limiting plate 232 and the second limiting platform 237 are used to limit the position of the push rod 231 and the connecting rope 236, thereby improving the safety of the retraction device 23 during operation.

[0050] The above description is merely a preferred embodiment of the present invention and does not constitute any other form of limitation to the present invention. Any person skilled in the art may utilize the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes for application in other fields. However, any simple modification, equivalent change, and modification of the above embodiments made in accordance with the technical essence of the present invention without departing from the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A three-mode USB connector that is easy to fold and store, comprising a lifting device (1), a storage device (2) and a USB connector body (3), wherein both ends of the storage device (2) are connected to the top of the lifting device (1), the bottom of the USB connector body (3) is overlapped on the inner wall of the storage device (2), and the top of the storage device (2) is overlapped on the upper surface of the USB connector body (3), characterized in that: The lifting device (1) comprises a supporting base (11), a fixed end (12), a telescopic rod (13), a separating head (14) and a sealing head (15), wherein the fixed end (12) is fixedly mounted on the top of the supporting base (11), one end of the telescopic rod (13) is fixedly connected to the inside of the fixed end (12), the other end of the telescopic rod (13) is fixedly connected to the inside of the separating head (14), the separating head (14) is located between the sealing head (15) and the fixed end (12), and the sealing head (15) is fixedly mounted on the top of the telescopic rod (13); The storage device (2) includes a carrying platform (21), a direction adjustment device (22), a contraction device (23), a clamping plate (24), a positioning plate (25), a reinforcement rod (26) and a lifting plate (27), wherein the direction adjustment device (22) is installed on both sides of the carrying platform (21), the contraction device (23) is installed at the bottom of the carrying platform (21), both ends of the contraction device (23) are connected to the inside of the direction adjustment device (22), one end of the direction adjustment device (22) is fixedly connected to the outer wall of the clamping plate (24), one end of the reinforcement rod (26) is fixedly connected to the inside of the sealing end head (15), and the other end of the reinforcement rod (26) is fixedly connected to the inside of the direction adjustment device (22); A lifting plate (27) is provided at one end of the carrying platform (21), and the lifting plate (27) is located at the top of the lifting device (1). A positioning plate (25) is fixedly mounted on the upper surface of the carrying platform (21), and the bottom of the USB connector body (3) is overlapped at the junction of the positioning plate (25) and the carrying platform (21); The direction adjustment device (22) includes a fixed side plate (221), a first rotating shaft (222), a mechanical rotating arm (223), a transfer support rod (224) and a fixed block (225); one side of the fixed side plate (221) is fixedly connected to one end of the reinforcing rod (26); both ends of the first rotating shaft (222) are rotatably connected to the inside of the fixed side plate (221); a torsion spring is installed at the intersection of the first rotating shaft (222) and the fixed side plate (221); one end of the mechanical rotating arm (223) is rotatably connected to the outer wall of the first rotating shaft (222); both ends of the transfer support rod (224) are fixedly connected to the other end of the mechanical rotating arm (223); and the fixed block (225) is fixedly installed on the outer wall of the transfer support rod (224); One side of the fixed block (225) is fixedly connected to an arc-shaped support block (226), and both sides of the arc-shaped support block (226) are provided with extension rods (227). One end of the extension rod (227) is rotatably connected to a second rotating shaft (229), and a mounting connection block (228) is installed on the outer wall of the second rotating shaft (229).

2. The tri-mode USB connector that is easy to fold and store according to claim 1, characterized in that: A receiving tube (2210) is fixedly mounted on the outer wall of the arc-shaped support block (226), one side of the mounting connection block (228) is fixedly connected to the outer wall of the bearing platform (21), and the other end of the extension rod (227) is fixedly connected to the outer wall of the splint (24).

3. The tri-mode USB connector that is easy to fold and store according to claim 1, characterized in that: The contraction device (23) comprises a push rod (231), a first limiting plate (232), a hollow truncated cone (233), a movable clamping plate (234) and an arc-shaped push plate (235), one end of the push rod (231) and one end of the movable clamping plate (234) are fixedly connected, the push rod (231) passes through the hollow truncated cone (233) and the first limiting plate (232), the outer wall of the movable clamping plate (234) overlaps the outer wall of the hollow truncated cone (233), and the other end of the movable clamping plate (234) is fixedly connected to one side of the arc-shaped push plate (235).

4. The tri-mode USB connector that is easy to fold and store according to claim 3, characterized in that: The first limiting plate (232) is fixedly mounted on the lower surface of the carrying platform (21); a connecting rope (236) is overlapped on the other side of the arc-shaped push plate (235); both ends of the connecting rope (236) are connected to the inside of the accommodating tube (2210); a second limiting platform (237) is provided on the outer wall of the connecting rope (236); the second limiting platform (237) is fixedly mounted on the lower surface of the carrying platform (21); and the second limiting platform (237) is located on both sides of the hollow truncated cone (233).

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