Multi-scene modular equipment for mobile maintenance power supply

Abstract

The invention discloses a multi-scene modular device for a mobile maintenance power supply. The multi-scene modular device comprises a first maintenance box; a handrail is installed on one side of the first maintenance box, pulleys are rotationally connected to the lower surface of the first maintenance box, a second maintenance box is arranged on one side of the first maintenance box, and a combination device is arranged on the side, close to the first maintenance box, of the second maintenance box and comprises an assembly plate which is fixedly connected with the second maintenance box. The surface of the assembly plate is provided with a first hole, and the inner wall of the first hole in the surface of the assembly plate is slidably connected with a moving rod. After splicing and fixing are completed, the whole spliced maintenance box can be driven to move by pulling the handrail, compared with separated carrying of two independent maintenance boxes, the integrated design is more labor-saving and convenient, and the maintenance box is convenient to use. Especially in narrow channels, staircases and other areas where passing is not convenient, repeated back-and-forth carrying is not needed, a single person can easily transfer the maintenance equipment, the in-place efficiency of the maintenance equipment is greatly improved, the early-stage preparation time is shortened, and maintenance personnel can work more quickly.

Description

Technical Field

[0001] The present invention relates to the technical field of power supply maintenance equipment, and in particular to a multi-scenario modular device for mobile maintenance of power supplies. Background Art

[0002] Power supply maintenance is a key link in ensuring the stable operation of various types of electrical equipment. Professionals use professional tools to carefully check the appearance of the power supply to check for signs of damage or burning. Then accurately measure the input and output voltage and current to determine whether the values ​​are compliant. If the deviation is too large, it often indicates internal circuit or component failure. The maintenance also involves performance testing of key components such as capacitors, resistors, and transformers. Aging and damaged components will be replaced in a timely manner. Through a rigorous and orderly process, potential hidden dangers can be eliminated, the power supply can be restored to reliable power supply, power accidents can be avoided, and the service life of the equipment can be extended.

[0003] The mobile power supply maintenance equipment is portable and multifunctional, and is designed to flexibly respond to various maintenance scenarios. It is light and easy to carry, and is equipped with handles and wheels, so it can move freely in narrow spaces and complex terrains. It has a built-in intelligent monitoring system to control key data such as voltage, current, and power in real time, and quickly issue warnings in case of abnormalities. It has rich interfaces and is compatible with various specifications of AC and DC power equipment to meet the power needs of different tools and instruments.

[0004] However, the existing processing equipment has the following shortcomings: In most existing power supply maintenance scenarios, multiple maintenance equipment are required for maintenance. Although most inspection equipment is required to be installed with rollers for easy transportation, it is difficult to connect multiple maintenance equipment, resulting in a single person being unable to comfortably carry multiple maintenance equipment, affecting the work efficiency of power supply maintenance.

[0005] Therefore, we proposed a multi-scenario modular device for mobile maintenance of power supply to solve the above problems. Summary of the invention

[0006] The purpose of the present invention is to provide a multi-scenario modular device for mobile maintenance of power supply, align the first maintenance box with the second maintenance box, insert the cross bar into the hole groove, and at the same time, the magnet magnetically fix the first maintenance box and the second maintenance box, and then turn the knob to drive the threaded rod to rotate. When the threaded rod rotates, it drives the splint to slide and insert into the card block to complete the fixation. At this time, pulling the handrail can drive the maintenance box to move, so as to solve the problems raised by the above-mentioned background technology.

[0007] To achieve the above object, the present invention provides the following technical solution: a multi-scenario modular device for mobile maintenance of power supply, comprising: a first maintenance box; a handrail is installed on one side of the first maintenance box, a pulley is rotatably connected to the lower surface of the first maintenance box, and a second maintenance box is arranged on one side of the first maintenance box; A combination device is provided on the side of the second inspection box close to the first inspection box, and the combination device includes an assembly plate, which is fixedly connected to the second inspection box, a hole one is opened on the surface of the assembly plate, and a moving rod is slidably connected to the inner wall of the hole one on the surface of the assembly plate, and a clamping plate is fixedly connected to one side of the moving rod, and a threaded rod is rotatably connected to the surface of the assembly plate, and a threaded hole is opened on the surface of the clamping plate, and the threaded rod is threadedly connected to the clamping plate. By setting the combination device, after the splicing and fixation are completed, the entire spliced ​​inspection box can be driven to move by pulling the handrail. Compared with carrying two independent inspection boxes separately, this integrated design is more labor-saving and convenient, especially in narrow passages, stairwells and other inconvenient areas, there is no need for multiple round trips, and one person can easily transfer it, which greatly improves the efficiency of the inspection equipment being put in place, reduces the preliminary preparation time, and allows maintenance personnel to get to work faster.

[0008] Preferably, there are two splints, which are arranged in mirror symmetry. By setting the splints, the knob drives the threaded rod to rotate, causing the splint to slide and insert into the block. Since the splints enhance the overall stability of the maintenance box, the stress on the box is more evenly dispersed during frequent transportation and long-term use of the equipment, reducing shaking at the joints.

[0009] Preferably, a clamping block is fixedly connected to one side of the first inspection box near the clamping plate, and the clamping plate is clamped with the clamping block. By setting the clamping block, when the first inspection box and the second inspection box are combined, the cross bar is inserted into the hole groove and the magnet is attracted to achieve preliminary fixation in the early stage, but this fixing method has limited ability to resist external forces. The clamping block, as a component corresponding to the clamping plate, receives the inserted clamping plate and forms a tight mechanical connection with the clamping plate.

[0010] Preferably, a magnet is fixedly connected to one side of the first inspection box close to the second inspection box, and a hole groove is opened on the side of the first inspection box close to the magnet. By setting the magnet, the two inspection boxes can be quickly pulled together and fitted together. This magnetic attraction effect allows the two boxes to be roughly fixed together without the operator having to spend too much energy on precise alignment during the initial docking, paving the way for subsequent more stable mechanical fixation such as inserting the cross bar into the hole groove and locking the splint with the block, greatly simplifying the splicing process and improving assembly efficiency.

[0011] Preferably, a cross bar is fixedly connected to one side of the second inspection box close to the hole slot, the cross bar is inserted into the hole slot, the second inspection box is magnetically connected to the magnet, and a knob is fixedly connected to the surface of the threaded rod. By setting the cross bar, after the initial splicing by magnet attraction is completed, the connection of the cross bar inserted into the hole slot can cooperate with the magnet attraction to enhance the overall stability of the splicing of the two inspection boxes from different dimensions.

[0012] Preferably, a power interface is provided on one side of the first inspection box, and a safety device is provided on the side of the first inspection box close to the power interface, the safety device includes a column, the column is fixedly connected to the first inspection box, the surface of the column is slidably connected to a rectangular sleeve, and the surface of the rectangular sleeve is fixedly connected to a pull block. By setting the safety device, the maintenance working environment is complex and changeable. When the power connector is inserted into the interface, the pressure spring and the rectangular sleeve in the safety device begin to play a role, and the rotating support leg is separated from the inspection box. The pressure spring loses its restraint and generates elastic force, and the rectangular sleeve is pulled to protect the power connector. In this way, when encountering rainy weather or a harsh environment with a lot of impurities such as dust and oil, these foreign objects can be effectively prevented from contacting the power interface, thereby avoiding electrical faults such as short circuit and poor contact caused by water and dust entering the interface, thereby ensuring the safety of electricity use.

[0013] Preferably, the surface of the rectangular sleeve is rotatably connected with a support leg, and the first inspection box is fixedly connected with a wire sleeve on one side close to the rectangular sleeve. By setting the support legs, when the power connector needs to be removed, the support legs need to be rotated to support the rectangular sleeve, thereby assisting in completing a safe and smooth plugging and unplugging operation.

[0014] Preferably, a pressure spring is provided on the surface of the column, and the two ends of the pressure spring are fixedly connected to the rectangular sleeve and the first maintenance box respectively. By providing the pressure spring, when the power connector is inserted into the interface, the support leg is rotated to separate it from the maintenance box, and the pressure spring loses its restraint. Based on its own elastic characteristics, the pressure spring will quickly generate elastic force, pulling the rectangular sleeve connected to it, prompting the rectangular sleeve to move quickly and accurately cover the power connector to form a protective barrier.

[0015] Preferably, a bundling component is provided on the upper surface of the first maintenance box, and the bundling component includes an arc-shaped sleeve, and the arc-shaped sleeve is fixedly connected to the first maintenance box, and the upper surface of the arc-shaped sleeve is fixedly connected with Velcro. By providing the bundling component, after the maintenance work is completed, many redundant power cords are often left on site. The messy arrangement is not only unsightly, but also easy to cause entanglement and pulling during the subsequent movement and storage of equipment, and even cause line damage. The arc-shaped sleeve in the bundling component provides a placement position for the power cord, which can guide the power cord to be arranged in an orderly manner and prevent it from being scattered everywhere.

[0016] Preferably, an adhesive joint is fixedly connected to one side of the arc-shaped sleeve, and the Velcro is bonded to the adhesive joint. By setting the Velcro, the Velcro has sufficient adhesion after being affixed, and can tightly lock the power cord so that it is stably fixed on the arc-shaped sleeve, effectively reducing the loosening of the power cord during the movement and transportation of the equipment, maintaining the regularity of storage, and preventing messy and scattered power cords from interfering with the subsequent use of equipment.

[0017] Compared with the prior art, the present invention has the following beneficial effects: The present invention is provided with a combination device, a safety device and a condensing assembly. When in use, the first inspection box is aligned with the second inspection box, the cross bar is inserted into the hole groove, and the magnet magnetically fixes the first inspection box and the second inspection box. Then, the knob is turned, and the knob drives the threaded rod to rotate. While the threaded rod rotates, it drives the clamping plate to slide and insert into the card block to complete the fixation. At this time, the inspection box can be moved by pulling the handrail. During maintenance, the power interface is inserted into multiple connectors. In order to reduce the damage of the interface by rain or other impurities, after the power connector is inserted into the interface, the support leg is rotated to separate from the inspection box, and the pressure spring loses its restraint and generates elastic force to pull the rectangular sleeve to protect the power connector. When the power connector needs to be removed, the pull is pulled. The rectangular cover can be opened by simply pulling out the support legs to support the rectangular cover, and the power connector can be pulled out. After the inspection is completed, the excess power cord is placed on the arc cover, and the power cord is tied to the arc cover by Velcro and adhesive joints, which is convenient for bundling the power cord. By setting the present invention, after the splicing and fixation are completed, the entire spliced ​​inspection box can be moved by pulling the handrail. Compared with carrying two independent inspection boxes separately, this integrated design is more labor-saving and convenient, especially in narrow passages, stairwells and other inconvenient areas. There is no need for multiple round-trip transportation, and one person can easily transfer it, which greatly improves the efficiency of the inspection equipment in place, reduces the pre-preparation time, and allows maintenance personnel to get to work faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A main structural stereogram of a multi-scenario modular device for mobile maintenance power supply according to the present invention; Figure 2 A side structural stereogram of a multi-scenario modular device for mobile maintenance power supply of the present invention; Figure 3 A three-dimensional diagram of the structure of a combined device in a multi-scenario modular device for a mobile maintenance power supply according to the present invention; Figure 4 A multi-scenario modular device for mobile maintenance power supply of the present invention Figure 3 A magnified stereogram of the structure at A; Figure 5 A three-dimensional diagram of the structure of a safety device in a multi-scenario modular device for mobile maintenance power supply of the present invention; Figure 6 This is a three-dimensional diagram of the structure of a bundling component in a multi-scenario modular device for mobile maintenance power supply of the present invention.

[0019] In the figure: 1. first inspection box; 2. second inspection box; 3. handrail; 4. pulley; 5. combination device; 51. block; 52. magnet; 53. cross bar; 54. hole groove; 55. clamp; 56. assembly plate; 57. threaded rod; 58. knob; 59. moving rod; 6. safety device; 61. rectangular sleeve; 62. column; 63. support leg; 64. pull block; 65. pressure spring; 66. wire sleeve; 7. gathering assembly; 71. arc sleeve; 72. Velcro; 73. adhesive joint. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the implementation regulations described 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 creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-6 As shown, the present invention provides a technical solution: a multi-scenario modular device for mobile maintenance of power supply, comprising: a first maintenance box 1; a handrail 3 is installed on one side of the first maintenance box 1, a pulley 4 is rotatably connected to the lower surface of the first maintenance box 1, and a second maintenance box 2 is arranged on one side of the first maintenance box 1.

[0022] according to Figure 3-4 As shown, a combination device 5 is provided on the side of the second inspection box 2 close to the first inspection box 1, and the combination device 5 includes an assembly plate 56, which is fixedly connected to the second inspection box 2, and a hole 1 is opened on the surface of the assembly plate 56, and a moving rod 59 is slidably connected to the inner wall of the hole 1 on the surface of the assembly plate 56, and a clamping plate 55 is fixedly connected to one side of the moving rod 59, and a threaded rod 57 is rotatably connected to the surface of the assembly plate 56, and a threaded hole is opened on the surface of the clamping plate 55, and the threaded rod 57 is threadedly connected to the clamping plate 55. By setting the combination device 5, after the splicing and fixation are completed, the entire spliced ​​inspection box can be driven to move by pulling the handrail 3. Compared with carrying two independent inspection boxes separately, this integrated design is more labor-saving and convenient, especially in narrow passages, stairwells and other inconvenient areas, there is no need for multiple round trips, and one person can easily transfer it, which greatly improves the efficiency of the inspection equipment being in place, reduces the preliminary preparation time, and allows maintenance personnel to get to work faster.

[0023] according to Figure 3-4 As shown, there are two splints 55, and the two splints 55 are arranged in mirror symmetry. By setting the splints 55, the knob 58 drives the threaded rod 57 to rotate, causing the splint 55 to slide and insert into the block 51. Since the splints 55 enhance the overall stability of the maintenance box, the stress on the box is more evenly dispersed during frequent transportation and long-term use of the equipment, reducing shaking at the joints.

[0024] according to Figure 3-4 As shown, a clamping block 51 is fixedly connected to one side of the first inspection box 1 near the clamping plate 55, and the clamping plate 55 is clamped with the clamping block 51. By setting the clamping block 51, when the first inspection box 1 and the second inspection box 2 are combined, the cross bar 53 is inserted into the hole 54 and the magnet 52 is magnetically attracted to achieve preliminary fixation in the early stage, but this fixing method has limited ability to resist external forces. The clamping block 51, as a component corresponding to the clamping plate 55, receives the inserted clamping plate 55 and forms a tight mechanical connection with the clamping plate 55.

[0025] according to Figure 3-4 As shown, a magnet 52 is fixedly connected to one side of the first inspection box 1 close to the second inspection box 2, and a hole groove 54 is opened on one side of the first inspection box 1 close to the magnet 52. By setting the magnet 52, the two inspection boxes can be quickly pulled together and fitted together. This magnetic attraction effect allows the two boxes to be roughly fixed together without the operator having to spend too much energy on precise alignment when the two boxes are initially docked, paving the way for subsequent more stable mechanical fixation such as inserting the cross bar 53 into the hole groove 54 and locking the splint 55 with the block 51, which greatly simplifies the splicing process and improves assembly efficiency.

[0026] according to Figure 3-4 As shown, a cross bar 53 is fixedly connected to one side of the second inspection box 2 near the hole groove 54, the cross bar 53 is inserted into the hole groove 54, the second inspection box 2 is magnetically connected to the magnet 52, and a knob 58 is fixedly connected to the surface of the threaded rod 57. By setting the cross bar 53, after the initial magnetic splicing of the magnet 52 is completed, the connection of the cross bar 53 inserted into the hole groove 54 can cooperate with the suction force of the magnet 52 to enhance the overall stability of the splicing of the two inspection boxes from different dimensions.

[0027] according to Figure 5 As shown, a power interface is provided on one side of the first inspection box 1, and a safety device 6 is provided on the side of the first inspection box 1 close to the power interface. The safety device 6 includes a column 62, which is fixedly connected to the first inspection box 1, and a rectangular sleeve 61 is slidably connected to the surface of the column 62, and a pull block 64 is fixedly connected to the surface of the rectangular sleeve 61. By setting the safety device 6, the maintenance working environment is complex and changeable. When the power connector is inserted into the interface, the pressure spring 65 and the rectangular sleeve 61 in the safety device 6 begin to play a role, and the rotating support leg 63 is separated from the inspection box. The pressure spring 65 loses its restraint and generates elastic force, and the rectangular sleeve 61 is pulled to protect the power connector. In this way, when encountering rainy weather or a harsh environment with a lot of impurities such as dust and oil, these foreign objects can be effectively prevented from contacting the power interface, avoiding electrical faults such as short circuit and poor contact caused by water and dust entering the interface, thereby ensuring the safety of electricity use.

[0028] according to Figure 5As shown, the surface of the rectangular sleeve 61 is rotatably connected with a support leg 63, and the first inspection box 1 is fixedly connected with a wire sleeve 66 on one side close to the rectangular sleeve 61. By setting the support leg 63, when the power connector needs to be removed, the support leg 63 needs to be rotated to support the rectangular sleeve 61, thereby assisting in completing a safe and smooth plugging and unplugging operation.

[0029] according to Figure 5 As shown, a pressure spring 65 is provided on the surface of the column 62, and the two ends of the pressure spring 65 are fixedly connected to the rectangular sleeve 61 and the first maintenance box 1 respectively. By setting the pressure spring 65, when the power connector is inserted into the interface, the support leg 63 is rotated to separate it from the maintenance box, and the pressure spring 65 loses its restraint. Based on its own elastic characteristics, the pressure spring 65 will quickly generate elastic force, pulling the rectangular sleeve 61 connected thereto, prompting the rectangular sleeve 61 to move quickly and accurately cover the power connector to form a protective barrier.

[0030] according to Figure 6 As shown, a bundling component 7 is provided on the upper surface of the first maintenance box 1, and the bundling component 7 includes an arc sleeve 71, which is fixedly connected to the first maintenance box 1, and a Velcro 72 is fixedly connected to the upper surface of the arc sleeve 71. By setting the bundling component 7, after the maintenance work is completed, many redundant power cords are often left on the site. The messy arrangement is not only unsightly, but also easy to cause entanglement and pulling during the subsequent movement and storage of equipment, and even cause line damage. The arc sleeve 71 in the bundling component 7 provides a placement position for the power cord, which can guide the power cord to be arranged in an orderly manner to prevent it from being scattered everywhere.

[0031] according to Figure 6 As shown, one side of the arc sleeve 71 is fixedly connected with an adhesive joint 73, and the Velcro 72 is bonded to the adhesive joint 73. By setting the Velcro 72, the Velcro 72 has sufficient adhesion after being pasted, and can tightly lock the power cord so that it is stably fixed on the arc sleeve 71, effectively reducing the loosening of the power cord during the movement and transportation of the equipment, maintaining the regularity of the storage, and preventing the messy scattered power cords from interfering with the subsequent use of the equipment.

[0032] The effect achieved by the entire mechanism is as follows: by setting the combination device 5, the safety device 6 and the binding assembly 7, when in use, the first inspection box 1 is aligned with the second inspection box 2, the cross bar 53 is inserted into the hole groove 54, and the magnet 52 magnetically fixes the first inspection box 1 and the second inspection box 2, and then the knob 58 is turned, the knob 58 drives the threaded rod 57 to rotate, and the threaded rod 57 rotates while driving the clamping plate 55 to slide and insert into the block 51 to complete the fixation. At this time, pulling the handrail 3 can drive the inspection box to move, and during maintenance, the power interface is inserted into multiple connectors. In order to reduce the damage of the interface by rain or other impurities, after the power connector is inserted into the interface, the rotating support leg 63 is separated from the inspection box, and the pressure spring 65 loses its restraint and generates elastic force to pull the rectangular sleeve 61 to protect the power connector. When needed When the power connector is to be removed, the rectangular sleeve 61 can be opened by pulling the pull block 64, and the support leg 63 is rotated to support the rectangular sleeve 61 to pull out the power connector. After the inspection is completed, the excess power cord is placed on the arc sleeve 71, and the power cord is tied to the arc sleeve 71 through the Velcro 72 and the adhesive joint 73, which is convenient for bundling the power cord. By setting the present invention, after the splicing and fixation are completed, the entire spliced ​​inspection box can be driven to move by pulling the handrail 3. Compared with carrying two independent inspection boxes separately, this integrated design is more labor-saving and convenient, especially in narrow passages, stairwells and other inconvenient areas. There is no need for multiple round trips and transportation, and one person can easily transfer it, which greatly improves the efficiency of the inspection equipment in place, reduces the pre-preparation time, and allows maintenance personnel to get to work faster.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-scenario modular device for mobile power maintenance, characterized in that: include: A first inspection box (1); a handrail (3) is installed on one side of the first inspection box (1); a pulley (4) is rotatably connected to the lower surface of the first inspection box (1); and a second inspection box (2) is arranged on one side of the first inspection box (1); A combination device (5) is provided on a side of the second inspection box (2) close to the first inspection box (1), and the combination device (5) comprises an assembly plate (56), the assembly plate (56) is fixedly connected to the second inspection box (2), a hole 1 is provided on the surface of the assembly plate (56), a moving rod (59) is slidably connected to the inner wall of the hole 1 on the surface of the assembly plate (56), a clamping plate (55) is fixedly connected to one side of the moving rod (59), a threaded rod (57) is rotatably connected to the surface of the assembly plate (56), a threaded hole is provided on the surface of the clamping plate (55), and the threaded rod (57) is threadedly connected to the clamping plate (55).

2. According to claim 1, a multi-scenario modular device for mobile maintenance power supply is characterized in that: There are two clamping plates (55), and the two clamping plates (55) are arranged in a mirror-symmetrical manner.

3. According to claim 1, a multi-scenario modular device for mobile maintenance power supply is characterized in that: A clamping block (51) is fixedly connected to one side of the first inspection box (1) close to the clamping plate (55), and the clamping plate (55) is clamped to the clamping block (51).

4. According to claim 1, a multi-scenario modular device for mobile maintenance power supply is characterized in that: A magnet (52) is fixedly connected to a side of the first inspection box (1) close to the second inspection box (2), and a hole groove (54) is provided on a side of the first inspection box (1) close to the magnet (52).

5. According to claim 1, a multi-scenario modular device for mobile maintenance power supply is characterized in that: A cross bar (53) is fixedly connected to one side of the second inspection box (2) close to the hole groove (54); the cross bar (53) is inserted into the hole groove (54); the second inspection box (2) is magnetically connected to the magnet (52); and a knob (58) is fixedly connected to the surface of the threaded rod (57).

6. The multi-scenario modular device for mobile maintenance power supply according to claim 1, characterized in that: A power interface is provided on one side of the first inspection box (1), and a safety device (6) is provided on the side of the first inspection box (1) close to the power interface. The safety device (6) comprises a column (62), the column (62) is fixedly connected to the first inspection box (1), a rectangular sleeve (61) is slidably connected to the surface of the column (62), and a pull block (64) is fixedly connected to the surface of the rectangular sleeve (61).

7. The multi-scenario modular device for mobile maintenance power supply according to claim 6, characterized in that: A support leg (63) is rotatably connected to the surface of the rectangular sleeve (61), and a wire sleeve (66) is fixedly connected to a side of the first inspection box (1) close to the rectangular sleeve (61).

8. The multi-scenario modular device for mobile maintenance power supply according to claim 6, characterized in that: A pressure spring (65) is sleeved on the surface of the upright column (62), and two ends of the pressure spring (65) are respectively fixedly connected to the rectangular sleeve (61) and the first maintenance box (1).

9. The multi-scenario modular device for mobile maintenance power supply according to claim 1, characterized in that: The upper surface of the first inspection box (1) is provided with a gathering component (7), the gathering component (7) comprising an arc-shaped sleeve (71), the arc-shaped sleeve (71) being fixedly connected to the first inspection box (1), and the upper surface of the arc-shaped sleeve (71) being fixedly connected with a Velcro (72).

10. The multi-scenario modular device for mobile maintenance power supply according to claim 9, characterized in that: A bonding joint (73) is fixedly connected to one side of the arc-shaped sleeve (71), and the Velcro (72) is bonded to the bonding joint (73).

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