Simple portable suitcase repairer

Abstract

This invention discloses a simple, portable suitcase repairer that is easy to carry and convenient for timely repair of various types of damage to suitcases. The simple portable suitcase repairer includes a support plate; mounting grooves are provided on both the upper and lower surfaces of the support plate; a foldable handle rod is installed in each mounting groove; detachable casters are provided on both sides of the support plate; first mounting grooves are provided on both sides of the bottom plate; second mounting grooves are provided on both sides of the bottom surface of the support plate; both the first and second mounting grooves can be used to install casters; a placement groove is provided on the upper surface of the support plate; multiple sets of leak-repairing components are installed in the placement groove. This simple portable suitcase repairer can solve all potential damage risks to suitcases, and the above structure can be folded and stored as a single unit for easy carrying, and the repair operation is simple.

Description

Technical Field

[0001] This invention relates to luggage repair tools, and more particularly to a simple, portable luggage repairer. Background Technology

[0002] Travelers typically need to carry suitcases while traveling. However, suitcases are often dragged around during trips, and although the manufacturing quality of existing suitcases is generally guaranteed, damage is inevitable during this process. In particular, sudden damage to zippers, wheels, or the outer shell of a suitcase is a common and troublesome problem.

[0003] When luggage is damaged, most travelers lack professional repair tools. Finding a repair shop on the spot is not only time-consuming and laborious but can also disrupt their travel plans. Existing simple repair methods, such as binding with tape, are often ineffective and fail to maintain the stability of the repaired luggage, easily leading to secondary leaks or damage; they are also unsightly. Furthermore, binding with tape cannot repair damaged suitcase wheels, thus limiting existing repair methods and failing to meet the needs of luggage damage repair. Therefore, there is an urgent need for a truly portable, highly functional, and quick emergency repair kit for various types of luggage damage. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a simple portable luggage repairer that is easy to carry, facilitates timely repair of various damages to luggage, and is easy to operate.

[0005] The technical solution adopted by the present invention to solve its technical problem is: a simple portable suitcase repairer, including a support plate; the upper and lower surfaces of the support plate are provided with mounting grooves; a foldable handle rod is provided in the mounting groove;

[0006] The support plate is provided with detachable casters on both sides; the base plate is provided with first mounting grooves on both sides; the bottom surface of the support plate is provided with second mounting grooves on both sides; both the first mounting groove and the second mounting groove can be used to install casters.

[0007] The upper surface of the support plate is provided with a placement groove; multiple sets of leak repair components are provided in the placement groove;

[0008] The leak repair component includes a central connector and a hollow arc-shaped movable plate;

[0009] The hollow arc-shaped movable plates are evenly distributed along the circumference of the central connector, and one end of the hollow arc-shaped movable plates is hinged to the central connector.

[0010] One of the two adjacent hollow arc-shaped movable plates has a single extension plate installed inside, and the other hollow arc-shaped movable plate has a hinged extension plate installed inside.

[0011] Two limiting holes are provided on the horizontal center line of the hollow arc-shaped movable plate;

[0012] Both the single-ended extension plate and the hinged extension plate are inserted into the hollow arc-shaped movable plate; and each end of the single-ended extension plate and the hinged extension plate is provided with a spring-loaded limiting pin that matches the limiting hole; and the hinged extension plate is hinged to both sides with an unfolding plate.

[0013] The bottom of the central connector has a hollow cavity; the bottom of the central connector has adhesive; the adhesive is covered by release paper.

[0014] Furthermore, the contact surface of the leak repair component is covered with 3mm high-viscosity nano-soft adhesive tape, and both sides have 3mm foam soft adhesive tape to prevent rainwater from penetrating and weakening the adhesion.

[0015] The foldable handrail includes a connecting rod, a handrail, and a pull rod;

[0016] One end of the handrail is a hollow rod, and the other end is a bent hinged rod;

[0017] One end of the connecting rod is hinged to one end of the mounting groove on the upper surface of the support plate, and the other end is hinged to the bent hinge rod of the handrail through the first hinge member.

[0018] The pull rod is a U-shaped pull rod; the pull rod is inserted into the hollow rod and slides with the hollow rod;

[0019] The lower end of the pull rod is provided with a second spring-loaded limiting pin; the side of the hollow rod is provided with two limiting holes, one above the other; the limiting holes match the spring-loaded limiting pin;

[0020] The upper end of the pull rod is a crossbeam; the crossbeam is equipped with a button to drive the springback limit pin to retract;

[0021] The pull rod is located in the mounting groove on the upper surface of the support plate; the handrail is folded in the mounting groove on the lower surface of the support plate.

[0022] Furthermore, the hinge extension plate has hinge grooves on both sides; a hinge shaft is provided in the hinge groove; and the unfolding plate is hinged to the hinge shaft.

[0023] Furthermore, the caster wheel is a detachable caster wheel; the caster wheel includes a connector, a fixing rod, and a pivot; the pivot is provided with wheels at both ends;

[0024] One end of the fixing rod is equipped with a vertical bearing, and the other end is equipped with a horizontal bearing;

[0025] One end of the connector is interference-fitted with the inner ring of the vertical bearing; the rotating shaft is interference-fitted with the inner ring of the horizontal bearing; one end of the connector is matched with both the first mounting groove and the second mounting groove.

[0026] Furthermore, the handrail is provided with a first fixing buckle; one end of the support plate is provided with a second fixing buckle; the simple portable suitcase repairer also includes an elastic band that can pass through the first and second fixing buckles; the elastic band is provided with Velcro at both ends.

[0027] Furthermore, the hollow arc-shaped movable plate, the one-way extension plate, the hinged extension plate, and the unfolding plate of the leak repair component are all made of flexible plastic plates.

[0028] Furthermore, the central connector includes an upper plate and a lower adhesive plate;

[0029] The upper plate and the lower adhesive plate are provided with connecting columns evenly distributed along the circumference, and a hinge shaft is provided between adjacent connecting columns; the hollow arc-shaped movable plate is hinged to the hinge shaft.

[0030] The beneficial effects of the present invention are as follows: The simple portable suitcase repairer described in the present invention can support the entire suitcase by setting a support plate; it can repair damage to the bottom of the suitcase; and a foldable handle rod is set on the support plate, which can replace the original suitcase handle, so that the suitcase can still be pulled by the repairer's handle when the original suitcase is damaged.

[0031] Secondly, by setting detachable omnidirectional wheels on the support plate, they can be installed on both sides of the support plate when not in use, and on the bottom plate of the support plate when in use, which facilitates the storage of the repair device and reduces space. The omnidirectional wheels can also be used to deal with the situation where the omnidirectional wheels of the suitcase fail or are damaged.

[0032] Furthermore, multiple sets of leak repair components are installed in the placement slots on the support plate; these components can repair damage to the suitcase; and the bottom plate of the central connector on the leak repair component has a hollow cavity, and adhesive is applied to the lower surface of the central connector. The hollow cavity allows for a larger contact area for damage near the corners of the suitcase, and the adhesive at the bottom is more likely to form a vacuum, thus improving its adsorption capacity.

[0033] Furthermore, the repair components include a hollow arc-shaped movable plate, a one-way extension plate, a hinged extension plate, and an unfolding plate. The one-way extension plate and the hinged extension plate can extend the repair area; the movable plate can be rotated to change its shape, thus adapting to different damage conditions of the suitcase; therefore, it can achieve extended and unfolded repair, solving the problem of large damaged areas. In addition, double-sided adhesive can be installed on the hollow arc-shaped movable plate, the one-way extension plate, the hinged extension plate, and the unfolding plate; through the adhesion of the double-sided adhesive to the suitcase and the deformation and extension of the hinge structure, the repair structure becomes more stable, preventing secondary damage to the damaged area.

[0034] In summary, the simple portable suitcase repairer described in this application, by setting a foldable handle bar, a leak repair component, and detachable casters on the support plate, can solve all possible risks of damage to the suitcase. At the same time, the above structure can be folded and stored as a whole, making it easy to carry, and the repair operation is simple. Attached Figure Description

[0035] Figure 1 This is a perspective view of the simple portable suitcase repair device in an embodiment of the present invention;

[0036] Figure 2 This is a bottom-view perspective view of the simple portable suitcase repair device in an embodiment of the present invention;

[0037] Figure 3 This is an exploded schematic diagram of the simple portable suitcase repair device in an embodiment of the present invention;

[0038] Figure 4 This is a perspective view of the support plate in an embodiment of the present invention;

[0039] Figure 5 This is a schematic diagram of the foldable handrail rod on the support plate folded and placed in an embodiment of the present invention;

[0040] Figure 6 This is a schematic diagram of the deformation of the folding armrest pull rod in an embodiment of the present invention. Figure 1 ;

[0041] Figure 7 This is a schematic diagram of the deformation of the folding armrest pull rod in an embodiment of the present invention. Figure 2 ;

[0042] Figure 8 This is a schematic diagram of the deformation of the folding armrest pull rod in an embodiment of the present invention. Figure 3 ;

[0043] Figure 9 This is a schematic diagram showing the completed deformation of the folding armrest lever in an embodiment of the present invention;

[0044] Figure 10 This is a perspective view of the folding armrest lever in an embodiment of the present invention;

[0045] Figure 11 This is a perspective view of the pull rod in an embodiment of the present invention;

[0046] Figure 12 This is a perspective view of the handrail in an embodiment of the present invention;

[0047] Figure 13 This is a perspective view of the connector in an embodiment of the present invention;

[0048] Figure 14 This is a schematic diagram of the connection structure of the connector in an embodiment of the present invention;

[0049] Figure 15 This is a perspective view of the connecting rod in an embodiment of the present invention;

[0050] Figure 16 This is a schematic diagram of the internal structure of the pull rod in an embodiment of the present invention;

[0051] Figure 17 This is a perspective view of the repair component in an embodiment of the present invention;

[0052] Figure 18 This is a schematic diagram of the repair component in an embodiment of the present invention;

[0053] Figure 19 This is an exploded view of the repair component in an embodiment of the present invention;

[0054] Figure 20 This is a schematic diagram showing the connection of the hollow arc-shaped movable plate, the single-direction extension plate, the hinged extension plate, and the unfolding plate in an embodiment of the present invention.

[0055] Figure 21 This is a three-dimensional structural diagram of the central connector in an embodiment of the present invention;

[0056] Figure 22 This is a perspective view of the hollow arc-shaped movable plate in an embodiment of the present invention;

[0057] Figure 23 This is a perspective view of the hinged extension plate in an embodiment of the present invention;

[0058] Figure 24 This is a perspective view of the unfolded plate in an embodiment of the present invention;

[0059] Figure 25 This is an exploded schematic diagram of the universal wheel in an embodiment of the present invention;

[0060] Figure 26 This is a schematic diagram of the universal wheel structure in an embodiment of the present invention;

[0061] Figure 27 This is a perspective view of the damaged suitcase in an embodiment of the present invention;

[0062] Figure 28 This is a perspective view of a damaged suitcase with a simple portable suitcase repairer installed in an embodiment of the present invention;

[0063] Figure 29 This is a bottom-view perspective view of a damaged suitcase with a simple portable suitcase repairer installed in an embodiment of the present invention;

[0064] Figure 30 This is a perspective view of a simple portable suitcase repairer used to repair a damaged suitcase in an embodiment of the present invention;

[0065] The diagram shows: 100-Support plate, 110-Second fixing buckle, 120-Mounting slot, 130-Placement slot, 140-First mounting slot, 150-Second mounting slot, 200-Leak repair component, 210-Center connector, 211-Upper plate, 212-Lower adhesive plate, 213-Hinge shaft, 214-Hollow cavity, 215-Adhesive, 220-Hollow arc-shaped movable plate, 221-Limiting hole, 230-One-way extension plate, 240-Hinge extension plate, 241-Rebound limiting pin, 242-Hinge slot, 243-Hinge shaft, 250-Expanding plate.

[0066] 300-Universal wheel, 310-Spinning shaft, 320-Spinning wheel, 330-Horizontal bearing, 340-Fixing rod, 350-Vertical bearing, 360-Connector; 400-Foldable handrail rod, 410-Connecting rod, 420-First hinge, 430-Handrail rod, 440-Pull rod, 441-Second spring-loaded limiting pin, 432-Hollow rod, 433-Bent hinge rod, 434-Second limiting hole

[0067] 500 - Suitcase, 510 - Suitcase handle, 520 - Suitcase casters; 530 - First damage point, 540 - Second damage point, 550 - Third damage point. Detailed Implementation

[0068] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0069] like Figures 1 to 4 As shown, the simple portable suitcase repairer of the present invention includes a support plate 100; both the upper and lower surfaces of the support plate 100 are provided with mounting grooves 120; a foldable handle rod 400 is provided in the mounting groove 120.

[0070] The main function of the support plate 100 is to provide support, allowing the entire suitcase to be placed on it. The support plate can be made of plastic or stainless steel.

[0071] Specifically, the support plate 100 is provided with detachable casters 300 on both sides; the base plate 100 is provided with first mounting grooves 140 on both sides; the bottom surface of the support plate 100 is provided with second mounting grooves 150 on both sides; the casters 300 can be installed in both the first mounting groove 140 and the second mounting groove 150.

[0072] By providing detachable casters 300 on the support plate 100, the installation position of the casters can be changed during use, thus enabling the application of the casters 300. In use, the casters 300 are installed in the second mounting groove 150 at the bottom of the support plate 100, thereby achieving supported rolling. When not in use, they are installed on both sides of the support plate 100 for easy storage. Specifically,

[0073] Specifically, such as Figure 25 and 26 As shown, the 300 caster wheel is a detachable type.

[0074] The caster wheel 300 includes a connector 360, a fixing rod 340, and a rotating shaft 310. The rotating shaft 310 has wheels 320 at both ends. The fixing rod 340 has a vertical bearing 350 at one end and a horizontal bearing 340 at the other end. One end of the connector 360 is interference-fitted with the inner ring of the vertical bearing 350. The rotating shaft 310 is interference-fitted with the inner ring of the horizontal bearing 340. One end of the connector 360 matches both the first mounting groove 140 and the second mounting groove 150. By providing a vertical bearing 350 at one end of the fixing rod 340 and a horizontal bearing 340 at the other end, rotation in both the vertical and horizontal directions of the fixing rod 340 can be achieved, thus enabling the caster wheel 300 to rotate with multiple degrees of freedom.

[0075] Specifically, in the detachable connection of the caster wheel, the detachable method between the caster wheel connector 360 and the first mounting groove 140 and the second mounting groove 150 can be either a snap-fit ​​type or a friction self-locking type.

[0076] The friction mechanism can be such that the outer surface of the universal wheel connector 360, the inner surfaces of the first mounting groove 140 and the second mounting groove 150 are all rough surfaces, achieving self-locking through friction; it can be pulled out with force. The specific surface roughness is 0.8~1.6μm; it can be set according to the user's actual needs.

[0077] The upper surface of the support plate 100 is provided with a placement groove 130; multiple sets of leak repair components 200 are arranged in the placement groove 130. By providing a placement groove 130 on the support plate 100, the leak repair components 200 are placed in the placement groove, thereby facilitating the storage of the leak repair components and reducing the overall size of the device.

[0078] The leak repair component 200 in the simple portable suitcase repairer of the present invention mainly functions to repair the damaged parts of the suitcase.

[0079] Specifically: such as Figures 17 to 24 As shown, the leak repair component 200 includes a central connector 210 and a hollow arc-shaped movable plate 220; the hollow arc-shaped movable plates 220 are evenly distributed along the circumference of the central connector 210, and one end of the hollow arc-shaped movable plates 220 is hinged to the central connector 210; one of the two adjacent hollow arc-shaped movable plates 220 has a single extension plate 230 installed inside, and the other hollow arc-shaped movable plate 220 has a hinged extension plate 240 installed inside; two limiting holes 221 are provided on the horizontal center line of the hollow arc-shaped movable plate 220.

[0080] Both the single-ended extension plate 230 and the hinged extension plate 240 are inserted into the hollow arc-shaped movable plate 220; and a spring-loaded limiting pin 241 matching the limiting hole 221 is provided on one end of the single-ended extension plate 230 and one end of the hinged extension plate 240; an unfolding plate 250 is hinged to both sides of the hinged extension plate 240; specifically, a hinge groove 242 is provided on both sides of the hinged extension plate 240; a hinge shaft 243 is provided in the hinge groove 242; and the unfolding plate 250 is hinged to the hinge shaft 243.

[0081] The central connector 210 has a hollow cavity 214 at its bottom; adhesive 215 is provided at the bottom of the central connector 210; the adhesive 215 is covered with release paper; double-sided adhesive is provided on the lower surfaces of the hollow arc-shaped movable plate 220, the unidirectional extension plate 230, the hinged extension plate 240, and the unfolding plate 250. Specifically, the contact surfaces of the hollow arc-shaped movable plate 220, the unidirectional extension plate 230, the hinged extension plate 240, and the unfolding plate 250 are covered with 3mm high-viscosity nano-soft adhesive tape, and 3mm foam soft adhesive tape is provided on both sides to prevent rainwater intrusion and weakening of adhesion. The central connector 210 includes an upper plate 211 and a lower adhesive plate 212; connecting columns evenly distributed along the circumference are provided between the upper plate 211 and the lower adhesive plate 212, and a hinge shaft 213 is provided between adjacent connecting columns; the hollow arc-shaped movable plate 220 is hinged to the hinge shaft 213.

[0082] During use, first, depending on the size of the hole in the suitcase, choose whether to extend a single extension plate 230, a hinged extension plate 240, and a unfolding plate 250.

[0083] If the damage to the suitcase is large, the single extension plate 230 and the hinged extension plate 240 are pulled out from the hollow arc-shaped movable plate 220; positioning is achieved by matching the spring-loaded limiting pin 241 with the limiting hole 221. The shape of the leak repair component is changed by rotating the hollow arc-shaped movable plate 220 hinged to the central connector.

[0084] Then, using the adhesive on the central connector 210, and double-sided adhesive on the lower surfaces of the hollow arc-shaped movable plate 220, the one-way extension plate 230, the hinged extension plate 240, and the unfolding plate 250, it is glued to the damaged area of ​​the suitcase. The bottom plate of the central connector has a hollow cavity, and the lower surface of the central connector is covered with adhesive. The hollow cavity provides a larger contact area for damage near the corner of the suitcase, and the adhesive on the bottom makes it easier to form a vacuum adsorption, which improves its adsorption capacity.

[0085] The main function of the foldable handle rod 400 of the simple portable suitcase repairer described in this invention is to replace the original suitcase handle and provide a spare handle when the original suitcase handle is unusable.

[0086] Specifically, such as Figures 10 to 16 As shown, the foldable handrail rod 400 includes a connecting rod 410, a handrail rod 430, and a pull rod 440; one end of the handrail rod 430 is a hollow rod 432, and the other end is a bent hinge rod 433; one end of the connecting rod 410 is hinged to one end of the mounting groove 120 on the upper surface of the support plate 100, and the other end is hinged to the bent hinge rod 433 of the handrail rod 430 through a first hinge member 420; the pull rod 440 is a U-shaped pull rod; the pull rod 440 is inserted into the hollow rod 432 and slides with the hollow rod 432.

[0087] The lower end of the pull rod 440 is provided with a second spring-loaded limiting pin 441; the side of the hollow rod 432 is provided with two second limiting holes 434; the second limiting holes 434 match the second spring-loaded limiting pin 441;

[0088] The upper end of the pull rod 440 is a crossbeam 450; the crossbeam 450 is provided with a button 451 for retracting the drive spring-back limiting pin 441; the pull rod 440 is located in the mounting groove 120 on the upper surface of the support plate 100; the handrail 430 is folded in the mounting groove 120 on the lower surface of the support plate 100.

[0089] The above-described structure of the pull rod enables its folding and retraction, specifically as follows: Figures 5 to 9 As shown, where Figure 5 This is a schematic diagram of the foldable handrail rod folded onto the support plate 100; as shown. Figure 6As shown, this represents the rotation of the handrail rod 430 relative to the connecting rod 410. Because the handrail rod 430 and the connecting rod 410 are hinged together by the second hinge member 420, the rotation of the handrail rod 430 relative to the connecting rod 410 is possible. Figure 7 As shown, the connecting rod 410 rotates relative to the support plate 100. Since one end of the connecting rod 410 is hinged to the support plate 100, it can rotate accordingly. Figure 8 The diagram shows the connecting rod 410, handrail, and pull rod 440 all rotated to the vertical position. Figure 9 The diagram shown is a schematic of pulling the lever 440 out of the handrail lever 430.

[0090] Specifically, the principle of pulling the lever 440 out from the handrail lever 430 is as follows: Figure 16 As shown. Figure 16 In the middle, an inner rod 460 is provided inside the pull rod 440. The inner rod 460 is a U-shaped rod and is slidably installed on the pull rod 440.

[0091] The second spring-loaded limiting pin 441 has a slider 442 at one end, and the slider 442 has an inclined surface. The slider 442 is laterally slidably installed inside the pull rod 440, and a first spring 443 is provided between the slider 442 and the inner wall of the pull rod 440. The first spring 443 ensures that the second spring-loaded limiting pin 441 is always protruding. The lower end of the inner rod 460, rod 461, has an inclined surface 462 that matches the slider.

[0092] A button 451 is provided on the inner rod 460; a second spring 463 is provided between the lower part of the inner rod 460 and the inner cavity of the crossbeam 450. The second spring 463 ensures that the button 451 is always raised when no pressure is applied.

[0093] When the lever 440 needs to be pulled out, press and hold button 451; the inner rod 460 drives the lower rod 461 to move downward, thereby causing the lower rod 461 to push the slider 442 to move, causing the second spring-loaded limit pin 441 to retract, thereby causing the second spring-loaded limit pin 441 to disengage from the second limit hole 434, and then the lever 440 can be pulled out. After the lever is pulled out, the engagement between the second spring-loaded limit pin 441 and the second limit hole 434 at the upper end of the handrail lever 430 achieves the positioning of the lever 440.

[0094] To facilitate the installation of the simple portable suitcase repairer on the suitcase and ensure its structural stability, specifically, the handle 430 is provided with a first fixing buckle 431; one end of the support plate 100 is provided with a second fixing buckle 110; the simple portable suitcase repairer also includes an elastic band that can pass through the first fixing buckle 431 and the second fixing buckle 110; the elastic band is provided with Velcro at both ends.

[0095] To improve the fit with the suitcase and reduce costs, the hollow arc-shaped movable plate 220, the one-way extension plate 230, the hinged extension plate 240, and the unfolding plate 250 of the leak repair component 200 are all made of flexible plastic plates.

[0096] During use, first place the simple portable suitcase repair kit according to... Figure 9 The aforementioned state is unfolded, and the leak repair component 200 is removed. The suitcase is then placed on the simple portable suitcase repairer, as... Figure 28 , 29 As shown in Figure 30, the suitcase is fixedly connected to the simple portable suitcase repairer by passing an elastic band through the first fixing buckle 431 and the second fixing buckle 110 on the suitcase and wrapping it around the suitcase.

[0097] Then, depending on the location of the damage to the suitcase, apply the repair kit 200 to the tear. For example... Figure 27 In the diagram, suitcase 500 measures 450mm*320mm*760mm, making it a 26-inch suitcase. As shown, the damage locations are: first damage 530 (corner damage), second damage 540 (edge ​​damage), and third damage 550 (surface damage); the suitcase handle 510 and the suitcase casters 520 are also damaged. The repair kit 200 can be applied to the corresponding damage points. Since the simple portable suitcase repair kit is fixedly connected to the suitcase, the casters 300 on the support plate 100 can replace the casters 520; the foldable handle 400 on the support plate 100 can replace the handle 510.

[0098] Secondly, the simple portable suitcase repairer described in this invention can also be used as follows when the suitcase is not being repaired: Figure 9 It can be unfolded and used as a tray to carry luggage bags.

Claims

1. A simple portable suitcase repairer, characterized in that: Includes a support plate (100); both the upper and lower surfaces of the support plate (100) are provided with mounting grooves (120); a foldable handrail rod (400) is provided in the mounting groove (120); The support plate (100) is provided with detachable casters (300) on both sides; the base plate (100) is provided with first mounting grooves (140) on both sides; the bottom surface of the support plate (100) is provided with second mounting grooves (150) on both sides; the casters (300) can be installed in both the first mounting groove (140) and the second mounting groove (150). The upper surface of the support plate (100) is provided with a placement groove (130); multiple sets of leak repair components (200) are provided in the placement groove (130). The leak repair component (200) includes a central connector (210) and a hollow arc-shaped movable plate (220); The hollow arc-shaped movable plate (220) is evenly distributed along the circumference on the central connector (210), and one end of the hollow arc-shaped movable plate (220) is hinged to the central connector (210); One of the two adjacent hollow arc-shaped movable plates (220) has a single extension plate (230) installed inside the hollow arc-shaped movable plate (220), and the other hollow arc-shaped movable plate (220) has a hinged extension plate (240) installed inside the hollow arc-shaped movable plate (220). Two limiting holes (221) are provided on the horizontal center line of the hollow arc-shaped movable plate (220); Both the single-ended extension plate (230) and the hinged extension plate (240) are inserted into the hollow arc-shaped movable plate (220); and both the single-ended extension plate (230) and the hinged extension plate (240) are provided with spring-loaded limiting pins (241) that match the limiting holes (221); and the hinged extension plate (240) is hinged to both sides with unfolding plates (250); The bottom of the central connector (210) is provided with a hollow cavity (214); the bottom of the central connector (210) is provided with adhesive (215); the adhesive (215) is covered by release paper; The lower surfaces of the hollow arc-shaped movable plate (220), the single-ended extension plate (230), the hinged extension plate (240), and the unfolding plate (250) are all provided with double-sided adhesive.

2. The simple portable suitcase repairer as described in claim 1, characterized in that: The foldable handrail rod (400) includes a connecting rod (410), a handrail rod (430), and a pull rod (440). One end of the handrail (430) is a hollow rod (432), and the other end is a bent hinge rod (433). One end of the connecting rod (410) is hinged to one end of the mounting groove (120) on the upper surface of the support plate (100), and the other end is hinged to the bent hinge rod (433) of the handrail (430) through the first hinge member (420). The pull rod (440) is a U-shaped pull rod; the pull rod (440) is inserted into the hollow rod (432) and slides with the hollow rod (432); The lower end of the pull rod (440) is provided with a second spring-loaded limiting pin (441); the side of the hollow rod (432) is provided with two upper and lower second limiting holes (434); the second limiting holes (434) match the second spring-loaded limiting pin (441); The upper end of the pull rod (440) is a crossbeam rod (450); a button (451) for driving the springback limit pin (441) to retract is provided on the crossbeam rod (450). The pull rod (440) is located in the mounting groove (120) on the upper surface of the support plate (100); the handrail (430) is folded in the mounting groove (120) on the lower surface of the support plate (100).

3. The simple portable suitcase repairer as described in claim 1, characterized in that: The hinge extension plate (240) is provided with hinge grooves (242) on both sides; a hinge shaft (243) is provided in the hinge groove (242); the unfolding plate (250) is hinged to the hinge shaft (243).

4. The simple portable suitcase repairer as described in claim 1, characterized in that: The caster wheel (300) is a detachable caster wheel; The caster wheel (300) includes a connector (360), a fixing rod (340), and a pivot (310); the pivot (310) has wheels (320) at both ends. The fixing rod (340) is provided with a vertical bearing (350) at one end and a horizontal bearing (340) at the other end. One end of the connector (360) is interference-fitted with the inner ring of the vertical bearing (350); the rotating shaft (310) is interference-fitted with the inner ring of the horizontal bearing (340); one end of the connector (360) is matched with both the first mounting groove (140) and the second mounting groove (150).

5. The simple portable suitcase repairer as described in claim 2, characterized in that: The handrail (430) is provided with a first fixing buckle (431); the support plate (100) is provided with a second fixing buckle (110) at one end; the simple portable suitcase repairer also includes an elastic band that can pass through the first fixing buckle (431) and the second fixing buckle (110); the elastic band is provided with Velcro at both ends.

6. The simple portable suitcase repairer as described in claim 1, characterized in that: The hollow arc-shaped movable plate (220), the single extension plate (230), the hinged extension plate (240), and the unfolding plate (250) of the leak repair component (200) are all made of flexible plastic plates.

7. The simple portable suitcase repairer as described in claim 1, characterized in that: The central connector (210) includes an upper plate (211) and a lower adhesive plate (212); The upper plate (211) and the lower adhesive plate (212) are provided with connecting columns evenly distributed along the circumference, and a hinge shaft (213) is provided between adjacent connecting columns; the hollow arc-shaped movable plate (220) is hinged to the hinge shaft (213).

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