A power distribution box preventing cable abrasion

Abstract

The application discloses a power distribution box capable of preventing cable abrasion and relates to the technical field of power distribution boxes. The power distribution box comprises a power distribution box body, a grid strip is fixedly arranged on the back plate of the power distribution box body, second fixing holes are arranged on the grid strip in an array, a mounting long plate is movably arranged in the power distribution box body, fixing partition plates are fixedly arranged on the mounting long plate in an array, a group of extrusion air bags and two groups of telescopic air bags are fixedly arranged on the left and right sides of the fixing partition plates, and cable bodies are arranged between the two groups of fixing partition plates. Extrusion air bags and telescopic air bags limited by limiting grooves are used as core fixing mechanisms, and bionics self-adapting flexible clamping of cables is realized. Specifically, the extrusion air bags can uniformly wrap the cables after being inflated, and surface contact pressure is provided, so that stress concentration points caused by traditional rigid buckles or cable ties are completely avoided, and the cable insulation layer is not damaged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of distribution box, in particular to a distribution box capable of preventing cable abrasion. BACKGROUND

[0002] As a key equipment for power distribution and management, the safety and reliability of the internal wiring of the distribution box are directly related to the stable operation of the entire power supply system. Currently, the cables in the distribution box are usually introduced through the wire inlet hole and preliminarily sorted and fixed in the box body by using a cable tie, a fixed buckle or a wire slot. However, the existing cable installation and management mode has many inherent defects. First, the cable abrasion problem is prominent. In the long-term operation, the transformer, switch and other equipment in the distribution box will produce continuous vibration, which will cause micro-motion friction between the cable and the sharp edge of the wire inlet hole, the metal partition plate in the box or other cables, gradually abrading the insulation layer, causing short circuit, electric leakage and even fire risk. Second, the fixed mode is rigid and may cause damage. The common rigid buckle or over-tight cable tie is likely to cause stress concentration on the cable sheath, which itself may become a new abrasion point, and it is difficult to adapt to cables of different diameters during installation, and cannot provide uniform and flexible clamping force.

[0003] In addition, the internal space layout of the existing distribution box is extremely fixed. The positions of the installation guide rail, components and wire slot are pre-set, lacking flexibility. When there are many elements in the box and the cables are complex, the phenomenon of "flying wire" interlacing is likely to occur, which not only affects the appearance, but also aggravates the abrasion due to the mutual interference between the cables and the difficulty in effective partitioning and fixing. At the same time, this rigid layout also brings great inconvenience to the later maintenance, cable supplement or replacement. SUMMARY

[0004] The purpose of the present application is to provide a distribution box capable of preventing cable abrasion, in order to solve the problems of cable abrasion due to vibration hard contact in the distribution box and low space utilization efficiency of the existing cable binding device.

[0005] To achieve the above purpose, the present application provides the following technical solution: a distribution box capable of preventing cable abrasion, comprising a distribution box body, a plurality of grid strips are fixedly installed on the back plate of the distribution box body, a plurality of second fixing holes are arranged on the grid strips, an installation long plate is movably installed in the distribution box body, a plurality of fixed partition plates are fixedly installed on the installation long plate, a group of extrusion air bags and two groups of telescopic air bags are fixedly installed on the left and right sides of each fixed partition plate, and a cable body is arranged between the two fixed partition plates.

[0006] The pneumatic clamping mechanism comprises a movable long groove, a gas storage chamber, a gas-tight piston and a movable air rod, the front side of the mounting long plate is provided with the movable long groove and the gas storage chamber, the gas-tight piston is movably arranged in the gas storage chamber, and the movable air rod is fixedly arranged on the gas-tight piston.

[0007] The pneumatic clamping mechanism further comprises a first air passage, a gas passage, a second air passage and a third air passage, the outer side of the gas-tight piston is fixedly provided with a sealing rubber ring which is attached to the inner wall of the gas storage chamber, the movable air rod is movably arranged in the movable long groove, the right end of the gas storage chamber is provided with the first air passage, the rear side of the mounting long plate is provided with the gas passage, the rear side of the mounting long plate is provided with the second air passage in an array, the position of the second air passage is opposite to that of the fixed partition plate, the third air passage is arranged on the fixed partition plate, and the extrusion air bag is in communication with the gas passage through the third air passage and the second air passage.

[0008] The locking mechanism comprises a fixed frame and a positioning block, the fixed frame is arranged on one side of the gas-tight piston, and the positioning block is movably arranged in the fixed frame.

[0009] The positioning mechanism comprises a connecting side plate, a fixed side plate and a first fixed block, the left and right sides of the mounting long plate are movably provided with the connecting side plate, the left and right sides of the connecting side plate are fixedly provided with the fixed side plate, and the rear side of the fixed side plate is fixedly provided with two groups of first fixed blocks which are arranged in the second fixed holes.

[0010] Preferably, the extrusion air bag is in communication with the telescopic air bag, the two groups of telescopic air bags are arranged on the front and rear sides of the extrusion air bag and form an obtuse angle with the extrusion air bag, the fixed partition plate is T-shaped, and the extrusion air bag and the telescopic air bag are arranged on the left and right sides of the fixed partition plate.

[0011] Preferably, the pneumatic clamping mechanism further comprises a limiting side plate, a limiting block, a guide block, an outer skeleton, an inner supporting rod and a limiting groove, the left and right sides of the fixed partition plate are fixedly provided with two groups of limiting side plates, the upper and lower sides of the limiting side plate are fixedly provided with the limiting block, one side of the limiting block is fixedly provided with the guide block, the upper and lower sides of the telescopic air bag are fixedly provided with the outer skeleton in an array, the telescopic air bag is fixedly provided with the inner supporting rod, the inner supporting rod connects the outer skeletons on the upper and lower sides, the outer skeleton is provided with the limiting groove, and the limiting block is arranged in the limiting groove.

[0012] Preferably, the locking mechanism further comprises a movable finger ring, a fixed sleeve, a movable rod, a first spring, a movable slot, a positioning slot and a sealing ring, the fixed frame is fixedly installed on the movable air rod, the movable finger ring is movably arranged in the fixed frame, the fixed sleeve is fixedly installed in the fixed frame, the movable rod is movably inserted in the fixed sleeve, the first spring is arranged in the fixed sleeve and abuts against the lower side of the movable rod, the movable rod is fixedly installed on the lower side of the movable finger ring, the upper side of the movable finger ring is fixedly installed with a positioning block, the upper side of the fixed frame is provided with a movable slot, the positioning block is movably inserted in the movable slot, the upper side of the movable slot is provided with two groups of positioning slots, the positioning block is clamped in the positioning slot, and the side of the fixed frame is fixedly installed with a sealing ring.

[0013] Preferably, the positioning mechanism further comprises a limiting long strip, a rack, a limiting sliding groove, a connecting plate, a shielding block and a gear, two groups of limiting long strips are fixedly installed on the upper and lower sides of the installation long plate, two groups of racks are movably installed on the upper and lower sides of the installation long plate, the limiting sliding groove is opened in the rack, the limiting long strip is inserted in the limiting sliding groove, the rack is installed on the connecting side plate, the gears are rotatably installed on the upper and lower sides of the installation long plate, the two groups of racks on the same side are engaged with the gears, two groups of connecting plates are fixedly installed on the upper and lower sides of the fixed frame, the connecting plates are fixedly installed on the front side of the rack, and the upper and lower sides of the installation long plate are fixedly installed with shielding blocks.

[0014] Preferably, the positioning mechanism further comprises a square sleeve rod, a square insertion rod, a limiting rod, a second spring, a limiting circular groove, a first fixed hole and an anti-skid pad, the square sleeve rod is fixedly installed on the rack, the square insertion rod is movably inserted in the square sleeve rod, the square insertion rod is fixedly installed on the connecting side plate, the limiting rod is fixedly installed in the square sleeve rod, the second spring is sleeved on the limiting rod, the limiting circular groove is opened in the square insertion rod, the limiting rod is movably inserted in the limiting circular groove, two groups of first fixed holes are opened in the front side of the fixed side plate, the size and position of the first fixed hole are matched with the size and position of the first fixed block, and the anti-skid pad is fixedly installed on the rear side of the fixed side plate.

[0015] Preferably, a wire binding ring is arranged between the two groups of grid strips, the wire binding ring is fixedly installed with fixed tail blocks at both ends, the fixed tail blocks are fixedly installed with second fixed blocks, and the second fixed blocks are clamped in the second fixed holes.

[0016] Preferably, a wire locking rubber pad is fixedly installed in the wire binding ring, the wire locking rubber pad is narrow in front and wide in back, a wire supporting ring is fixedly installed on the front side of the wire binding ring, and the side surface of the fixed part of the wire supporting ring and the wire binding ring is a circular arc surface.

[0017] Preferably, the two groups of grid strips at the upper left corner are provided with a long slot, and the width of the long slot is matched with the diameter of the second fixing hole.

[0018] Compared with the prior art, the application has the following beneficial effects: 1. The application innovatively adopts an extrusion type air bag and a telescopic air bag limited by a limiting groove as a core fixing mechanism, and realizes bionics type self-adaptive flexible clamping of the cable. Specifically, the extrusion type air bag can uniformly wrap the cable after inflation, and provide surface contact pressure, thereby completely avoiding stress concentration points caused by traditional rigid buckles or straps, and thus the cable insulation layer is not damaged. At the same time, the telescopic air bags on both sides are guided by the limiting side plates to expand in a direction, and form a continuous and stable overall support matrix. The matrix can efficiently absorb and disperse vibration energy from the device operation, convert harmful micro-motion friction of the cable into internal damping consumption of the entire flexible structure, greatly inhibit the wear process of the insulation layer from the root, and significantly improve the safety and reliability of long-term operation of the power distribution system.

[0019] 2. The application is different from the fixed and rigid mode of internal layout of the traditional distribution box. The modular three-dimensional mounting platform constructed by the grid strips, the connecting side plates and the mounting long plates is introduced, space adaptability and management flexibility are realized. The system allows the mounting long plates to be flexibly positioned in a two-dimensional plane, and can more efficiently realize expansion in the vertical direction through stacking of the mounting long plates, thereby intelligently avoiding thick elements such as switches, and providing reliable intermediate support points for complex “flying wires”. The “on-demand configuration” capability not only realizes maximum utilization of the box space, makes the cable body layout clear and orderly, avoids mutual interference, and makes the initial installation of the device, the later line supplement or maintenance work become simple and efficient, and greatly reduces the operation and maintenance cost and time. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The overall structure schematic diagram provided for the embodiment of the application;

[0021] Figure 2 The structure schematic diagram at the mounting long plate provided for the embodiment of the application;

[0022] Figure 3 The structure separation schematic diagram at the clamping mechanism provided for the embodiment of the application;

[0023] Figure 4 The structure cross-sectional schematic diagram at the square sleeve rod provided for the embodiment of the application;

[0024] Figure 5 The structure cross-sectional front view schematic diagram at the mounting long plate provided for the embodiment of the application;

[0025] Figure 6Structure section view schematic diagram of locking mechanism provided for the embodiment of the present application;

[0026] Figure 7 Rear view schematic diagram of structure section of long plate provided for the embodiment of the present application;

[0027] Figure 8 Structure separation schematic diagram of extrusion type air bag provided for the embodiment of the present application;

[0028] Figure 9 Structure section view schematic diagram of telescopic air bag provided for the embodiment of the present application;

[0029] Figure 10 Structure schematic diagram of upper left corner of back plate of distribution box body provided for the embodiment of the present application;

[0030] Figure 11 Structure schematic diagram of wire binding ring provided for the embodiment of the present application;

[0031] Figure 12 Structure schematic diagram of A in Figure 8 of the embodiment of the present application is provided;

[0032] Figure 13 Structure schematic diagram of B in Figure 9 of the embodiment of the present application is provided.

[0033] In the figure: 1, distribution box body; 2, grid strip; 3, installation long plate; 4, fixed partition; 5, extrusion type air bag; 6, telescopic air bag; 7, cable body; 8, pneumatic clamping mechanism; 801, movable long groove; 802, gas storage chamber; 803, gas-tight piston; 804, movable air rod; 805, first air groove; 806, air passage; 807, second air groove; 808, third air groove; 809, limiting side plate; 810, limiting block; 811, guide block; 812, outer skeleton; 813, inner support rod; 814, limiting groove; 9, locking mechanism; 901, fixed frame; 902, movable finger ring; 903, fixed sleeve; 904, movable rod; 905, first spring; 906, movable groove; 907, positioning block; 908, positioning groove; 909, sealing ring; 10, positioning mechanism; 1001, limiting long strip; 1002, rack; 1003, limiting sliding groove; 1004, square sleeve rod; 1005, square insertion rod; 1006, limiting rod; 1007, second spring; 1008, limiting circular groove; 1009, connecting side plate; 1010, fixed side plate; 1011, first fixed hole; 1012, non-slip pad; 1013, first fixed block; 1014, connecting plate; 1015, shielding block; 1016, gear; 11, wire binding ring; 12, second fixed hole; 13, fixed tail block; 14, second fixed block; 15, wire supporting ring; 16, wire locking rubber pad; 17, placement long groove. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0035] Please refer to Figures 1-13 The present application provides a technical solution: a distribution box for preventing cable wear, comprising a distribution box body 1, a plurality of grid strips 2 are fixedly installed on the back plate of the distribution box body 1, a plurality of second fixed holes 12 are formed in the grid strips 2, a plurality of installation long plates 3 are movably installed in the distribution box body 1, a plurality of fixed partitions 4 are fixedly installed on the installation long plates 3, a group of extrusion type air bags 5 and two groups of telescopic air bags 6 are fixedly installed on the left and right sides of the fixed partitions 4, and a cable body 7 is arranged between the two groups of fixed partitions 4.

[0036] A pneumatic clamping mechanism 8, which comprises a movable long groove 801, a gas storage chamber 802, a gas-tight piston 803 and a movable air rod 804. The front side of the installation long plate 3 is provided with the movable long groove 801 and the gas storage chamber 802. The gas-tight piston 803 is movably arranged in the gas storage chamber 802. The movable air rod 804 is fixedly arranged on the gas-tight piston 803.

[0037] A locking mechanism 9, which comprises a fixed frame 901 and a positioning block 907. The fixed frame 901 is arranged on one side of the gas-tight piston 803. The positioning block 907 is movably arranged in the fixed frame 901.

[0038] A positioning mechanism 10, which comprises a connecting side plate 1009, a fixed side plate 1010 and a first fixed block 1013. The left and right sides of the installation long plate 3 are movably provided with the connecting side plate 1009. The two sides of the connecting side plate 1009 are fixedly provided with the fixed side plate 1010. The rear fixed side plate 1010 is fixedly provided with two groups of first fixed blocks 1013. The first fixed blocks 1013 are arranged in the second fixed holes 12. The device clamps the cable body 7 by the air bag clamping mode. The whole gas circuit does not have a gas port. The high-pressure expansion and negative-pressure storage of the air bag are realized by the movement of the gas-tight piston 803. The air tightness is good. In the process of long-term use, the device is not easy to lose effectiveness due to air leakage. The combination of the extrusion air bag 5 and the telescopic air bag 6 realizes the claw-shaped fixing mode. This fixing mode is more stable than the simple air bag expansion and extrusion mode. The telescopic air bag 6 itself has the characteristics of rigid-flexible combination. Under the condition of ensuring flexible clamping, the strength and limiting ability of the device itself are also considered. The durability of the device during use is increased. In addition, the installation long plate 3 can be assembled at different heights by the positioning mechanism 10. The utilization efficiency of the space in the distribution box body 1 is increased. The wire binding ring 11 is also provided. In the case of the distribution box body 1, the wire binding ring 11 has the ability to fix the wire, so that the cable body 7 has a reliable and flexible fixing mode whether it is a distribution or a wire binding. The utilization efficiency of the space in the distribution box body 1 is increased.

[0039] Further, the pneumatic clamping mechanism 8 further comprises a first air passage 805, a gas passage 806, a second air passage 807 and a third air passage 808, the outer side of the air-tight piston 803 is fixedly installed with a sealing rubber ring which is attached to the inner wall of the gas storage chamber 802, the movable air rod 804 is movably inserted into the movable long groove 801, the right end of the gas storage chamber 802 is provided with the first air passage 805, the rear side of the installation long plate 3 is provided with the gas passage 806, the rear side of the installation long plate 3 is provided with the second air passage 807 in an array, the position of the second air passage 807 is opposite to the position of the fixed partition plate 4, the third air passage 808 is provided on the fixed partition plate 4, the extrusion air bag 5 is communicated with the gas passage 806 through the third air passage 808 and the second air passage 807. The schematic diagram of the structure is Figure 5 、 Figure 7 and Figure 8 Through the movement of the air-tight piston 803, the expansion and contraction of the extrusion air bag 5 and the telescopic air bag 6 can be realized, the whole gas circuit is closed, and good air tightness is achieved when the same state is maintained for a long time, the air in the gas circuit is not full, the volume of the air is the capacity of the gas storage chamber 802, when the air-tight piston 803 is located on the left side of the gas storage chamber 802, the extrusion air bag 5 and the telescopic air bag 6 are in a negative pressure contraction state, when the air-tight piston 803 is located on the right side of the gas storage chamber 802, the extrusion air bag 5 and the telescopic air bag 6 are in an expansion state, when the air-tight piston 803 is not limited, because of the air pressure balance, the air-tight piston 803 should be located in the middle of the gas storage chamber 802;

[0040] Further, the extrusion air bag 5 and the telescopic air bag 6 are communicated, the two groups of telescopic air bags 6 are arranged on the front and rear sides of the extrusion air bag 5 and the included angle between the extrusion air bag 5 and the telescopic air bag 6 is obtuse, the fixed partition plate 4 is T-shaped, and the extrusion air bag 5 and the telescopic air bag 6 are accommodated on the left and right sides of the fixed partition plate 4. The schematic diagram of the structure is Figure 8 and Figure 9 In the negative pressure state, the extrusion air bag 5 and the telescopic air bag 6 are all retracted on the left and right sides of the fixed partition plate 4, so that the cable body 7 can be clamped into the fixed partition plate 4, although the extrusion air bag 5 and the telescopic air bag 6 are both air bags and the gas circuits are communicated, the working principles are not the same, after the extrusion air bag 5 expands, it is used to stably contact and extrude the cable body 7, its main function is to clamp the cable body 7 and absorb the vibration of the cable body 7, to avoid the hard contact between the cable body 7 and the fixed partition plate 4 due to the vibration, and after the telescopic air bag 6 expands, it has a larger deformation degree compared with the extrusion air bag 5, its main function is to limit the cable body 7 in the front and rear directions, and through its own deformation, it also has the clamping ability, so that the cable body 7 will not be separated from the limiting structure formed by the extrusion air bag 5 and the telescopic air bag 6, and the stability of the equipment during use is increased;

[0041] Further, the pneumatic clamping mechanism 8 further comprises limiting side plates 809, limiting blocks 810, guide blocks 811, outer skeletons 812, inner supporting rods 813 and limiting grooves 814, two groups of limiting side plates 809 are fixedly installed on the left and right sides of the fixed partition plate 4, limiting blocks 810 are fixedly installed on the upper and lower sides of the limiting side plates 809, guide blocks 811 are fixedly installed on one side of the limiting blocks 810, outer skeletons 812 are fixedly installed on the upper and lower sides of the telescopic air bag 6 in an array, inner supporting rods 813 are fixedly installed in the telescopic air bag 6, the inner supporting rods 813 are connected with the outer skeletons 812 on the upper and lower sides, limiting grooves 814 are formed in the outer skeletons 812, and the limiting blocks 810 are inserted into the limiting grooves 814. The schematic diagram of the structure is Figure 8 、 Figure 9 、 Figure 12 and Figure 13 The structure makes the structure of the telescopic air bag 6 be reinforced and can be guided when swelling and shrinking, has the advantages that the swelling and shrinking path of the telescopic air bag 6 is reliable, can be elongated first when being pressed, forms a clamping mode, then swells to clamp the cable body 7, increases the stability when the equipment is used, in addition, the structure reduces the degree of deformation of the telescopic air bag 6, does not appear the upper and lower folding conditions, and due to the blockage of the limiting side plates 809 and the blockage of the outer skeletons 812 and the inner supporting rods 813, the bending amplitude generated when being pressed by the cable body 7 is reduced and only self-bending occurs, and the whole does not rotate, so that the telescopic air bag 6 forms a clamping mode similar to a pair of eight characters in the clamping process, and the stability of the cable body 7 when being fixed is increased;

[0042] Further, the locking mechanism 9 further comprises a movable finger ring 902, a fixed sleeve 903, a movable rod 904, a first spring 905, a movable groove 906, a positioning groove 908 and a sealing ring 909, the fixed frame 901 is fixedly installed on the movable air rod 804, the movable finger ring 902 is movably arranged in the fixed frame 901, the fixed sleeve 903 is fixedly installed in the fixed frame 901, the movable rod 904 is movably inserted into the fixed sleeve 903, the first spring 905 is arranged in the fixed sleeve 903, the lower side of the movable rod 904 is abutted by the first spring 905, the movable rod 904 is fixedly installed on the lower side of the movable finger ring 902, the upper side of the movable finger ring 902 is fixedly installed with a positioning block 907, the upper side of the movable long groove 801 is provided with the movable groove 906, the positioning block 907 is movably inserted into the movable groove 906, the upper side of the movable long groove 801 is provided with two groups of positioning grooves 908, the positioning block 907 is clamped in the positioning grooves 908, and the sealing ring 909 is fixedly installed on one side of the fixed frame 901. The schematic diagram of the structure is Figure 6, this is the activity and limiting structure of the air-tight piston 803, the advantage is that the user can complete the activity and limiting of the air-tight piston 803 by one hand, increase the convenience when using the equipment, this is also the special design for the air-tight piston 803 in normal condition, avoid the air-tight piston 803 reset because of the air pressure in the moving process, increase the convenience when using the equipment, in addition, because the left side of the air-tight piston 803 is in negative pressure state when the air-tight piston 803 moves to the right side, in order to avoid the gas entering the storage gas chamber 802 from the movable gas rod 804 at the insertion installation position of the storage gas chamber 802 in the long time negative pressure state, the sealing ring 909 is further sealed at the position, increase the air tightness when using the equipment;

[0043] Further, the positioning mechanism 10 further comprises a limiting long strip 1001, a rack 1002, a limiting sliding groove 1003, a connecting plate 1014, a shielding block 1015 and a gear 1016, two groups of limiting long strips 1001 are fixedly installed on the upper and lower sides of the installation long plate 3, two groups of racks 1002 are movably installed on the upper and lower sides of the installation long plate 3, the limiting sliding groove 1003 is opened in the rack 1002, the limiting long strip 1001 is inserted in the limiting sliding groove 1003, the rack 1002 is installed on the connecting side plate 1009, the gear 1016 is rotatably installed on the upper and lower sides of the installation long plate 3, the two groups of racks 1002 on the same side are engaged with the gear 1016, two groups of connecting plates 1014 are fixedly installed on the upper and lower sides of the fixed frame 901, the connecting plate 1014 is fixedly installed on the front rack 1002, the shielding block 1015 is fixedly installed on the upper and lower sides of the installation long plate 3. The schematic diagram of the structure is Figure 2 and Figure 3 The structure makes the connecting side plate 1009 can be clamped between the grid strips 2 with the expansion of the extrusion air bag 5 and the telescopic air bag 6, in terms of installation sequence, when using the structure, the installation long plate 3 will be fixed on the grid strips 2 first, then the extrusion air bag 5 and the telescopic air bag 6 will be fully inflated to clamp the cable body 7, realize the function of one-step locking installation, increase the convenience when using the equipment, the existence of the shielding block 1015 can shield the movable structure attached to the connecting side plate 1009 on one hand, avoid the problem of poor movement caused by dust and the like, on the other hand, also provide a face for the installation long plate 3 that can be held by hand, increase the comfort when using the equipment;

[0044] Further, the positioning mechanism 10 further comprises a square sleeve rod 1004, a square insertion rod 1005, a limiting rod 1006, a second spring 1007, a limiting circular groove 1008, a first fixed hole 1011 and an anti-skid pad 1012, the square sleeve rod 1004 is fixedly installed on the rack 1002, the square insertion rod 1005 is movably inserted in the square sleeve rod 1004, the square insertion rod 1005 is fixedly installed on the connecting side plate 1009, the limiting rod 1006 is fixedly installed in the square sleeve rod 1004, the second spring 1007 is sleeved on the limiting rod 1006, the limiting circular groove 1008 is formed in the square insertion rod 1005, the limiting rod 1006 is movably inserted in the limiting circular groove 1008, the front fixed side plate 1010 is provided with two groups of first fixed holes 1011, the size and position of the first fixed hole 1011 are matched with the size and position of the first fixed block 1013, and the anti-skid pad 1012 is fixedly installed on the rear fixed side plate 1010. The schematic diagram of the structure is Figure 3 and Figure 4 The structure enables the connecting side plate 1009 to have the elastic expansion capability, on the one hand, the movement process of the movable air rod 804 is greater than the distance between the grid bars 2, so that the excess process is adapted through the expansion characteristic, on the other hand, the pressure between the mounting long plates 3 and the grid bars 2 during installation can be increased through the second spring 1007, thereby increasing the stability during installation of the equipment, in addition, the structure also enables the mounting long plates 3 to be mutually assembled, thereby realizing the three-dimensional utilization of the space in the distribution box body 1, and also meeting the habit of workers to place the lines with the same function on the same plane during wiring, thereby increasing the functionality during use of the equipment and the efficiency of the utilization of the space in the distribution box body 1.

[0045] Further, the two groups of grid bars 2 are provided with a wire binding ring 11, the wire binding ring 11 is fixedly installed at both ends with a fixed tail block 13, the fixed tail block 13 is fixedly installed with a second fixed block 14, and the second fixed block 14 is clamped in the second fixed hole 12. The schematic diagram of the structure is Figure 10 and Figure 11 The inner diameter of the wire binding ring 11 is greater than the diameter of the cable body 7, the main function of the wire binding ring 11 is to bind the cable body 7, the structure on the mounting long plate 3 can fix and damp the lines installed on the switch or current protector, however, in order to meet the arrangement needs of the lines, the wire binding ring 11 is arranged to concentrate the cable body 7, thereby avoiding the mutual interference of the cable body 7 in the space during arrangement, the wire binding ring 11 has the same flexible installation function as the mounting long plate 3, thereby realizing the flexible arrangement of the distribution and binding in the distribution box body 1, so that the arrangement of the cable body 7 can be designed with high degree of freedom according to the actual needs, thereby reducing the abrasion of the cable body 7 through reasonable design, thereby increasing the stability during use of the equipment.

[0046] Further, the bundle line ring 11 is fixedly provided with a locking line rubber pad 16, the locking line rubber pad 16 is narrow in front and wide in back, the front side of the bundle line ring 11 is fixedly provided with a supporting line ring 15, and the side surface of the fixing position of the supporting line ring 15 and the bundle line ring 11 is a circular arc surface. Figure 11 The locking line rubber pad 16 is used for pressing the line, through the shape of the locking line rubber pad 16 and the elasticity of the bundle line ring 11, the cable body 7 is concentrated to the front side of the center of the bundle line ring 11, so that the cable body 7 can be more stable in the bundle line ring 11, and the supporting line ring 15 is used for coping with the situation that the line needs to be supported, the supporting line ring 15 also prolongs the length of the bundle line ring 11, and the user can also fix the larger cable body 7 in a squeezing mode by assembling two groups of bundle line rings 11, so that the functionality and adaptability of the equipment in use are improved.

[0047] Further, the two groups of grid strips 2 at the upper left corner are provided with a placing long groove 17, and the width of the placing long groove 17 is matched with the diameter of the second fixed hole 12. Figure 10 The structure makes the bundle line ring 11 be capable of being stored, is convenient for use in installation, and the placing long groove 17 is arranged on the grid strip 2 at the corner, so that the utilization efficiency of the internal space of the distribution box body 1 is improved.

[0048] Working principle: when the cable body 7 to be fixed is placed between the fixed partition plates 4, the fixed side plates 1010 are inserted between the grid strips 2, the first fixed blocks 1013 are opposite to the second fixed holes 12, then the fingers are inserted between the movable finger rings 902, the movable finger rings 902 are pressed down, the positioning blocks 907 are separated from the positioning grooves 908, the fixed frame 901 is moved horizontally, the air-tight pistons 803 are moved in the gas storage chambers 802, the gas is pushed into the gas passing grooves 806 through the first air grooves 805, then the squeezing type air bags 5 and the telescopic air bags 6 are inflated through the second air grooves 807 and the third air grooves 808, when the telescopic air bags 6 are inflated, the outer frames 812 and the telescopic air bags 6 are guided through the limiting grooves 814 by the limiting blocks 810 and the guide blocks 811, directional inflation is carried out, so that the cable body 7 is fixed in a wrapping mode, the positioning blocks 907 are moved to the position aligned with the next group of positioning grooves 908, the movable finger rings 902 are released, the first springs 905 are restored to make the positioning blocks 907 rise, and the positioning blocks 907 are clamped in the positioning grooves 908 to limit the position of the air-tight pistons 803.

[0049] In the process of the fixed frame 901 activity, the front rack 1002 is driven to move, and another set of rack 1002 is driven to move through the meshing between the gear 1016 and another set of rack 1002, so as to drive the square sleeve rod 1004, the square insertion rod 1005 and the connecting side plate 1009 to move. The connecting side plate 1009 will first contact the grid strip 2 and make the first fixed block 1013 engaged into the second fixed hole 12, then the square insertion rod 1005 will be retracted into the square sleeve rod 1004 and compress the second spring 1007, so as to realize the fixation. The same is true for the assembly of the installation long plate 3.

[0050] When using the cable ring 11, the cable body 7 is placed in the cable ring 11, then the cable ring 11 is pinched to insert the fixed tail block 13 between the two sets of grid strips 2, and the cable ring 11 is released to insert the second fixed block 14 into the second fixed hole 12.

[0051] It should be noted that the relational terms herein such as first and second are used only to distinguish one entity or operation from another, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0052] Although the embodiments of the present application have been shown and described, it is understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A distribution box for preventing cable wear, comprising a distribution box body (1), wherein grid strips (2) are fixedly mounted in an array on the back plate of the distribution box body (1), characterized in that: The grid strip (2) is provided with a second fixing hole (12). The power distribution box body (1) is movably installed with a mounting plate (3). The mounting plate (3) is fixedly installed with a fixed partition (4). A set of compression airbags (5) and two sets of telescopic airbags (6) are fixedly installed on both the left and right sides of the fixed partition (4). A cable body (7) is provided between the two sets of fixed partitions (4). A pneumatic clamping mechanism (8) is provided, comprising a movable long slot (801), an air storage chamber (802), an airtight piston (803), and a movable air rod (804). The front side of the mounting plate (3) is provided with a movable long slot (801) and an air storage chamber (802). An airtight piston (803) is movably inserted into the air storage chamber (802), and a movable air rod (804) is fixedly installed on the airtight piston (803). The pneumatic clamping mechanism (8) also includes a first venting groove (805), an air passage groove (806), a second venting groove (807), and a third venting groove (808). A sealing ring is fixedly installed on the outside of the airtight piston (803), and the sealing ring is in contact with the inner wall of the air storage chamber (802). The movable air rod (804) is movably inserted into the movable long groove (801). The first venting groove (805) is opened at the right end of the air storage chamber (802). An air passage groove (806) is provided on the rear side of the mounting plate (3), and a second air passage groove (807) is provided on the rear side of the mounting plate (3). The position of the second air passage groove (807) is opposite to the position of the fixed partition (4). A third air passage groove (808) is provided on each of the fixed partitions (4). The compression airbag (5) is connected to the air passage groove (806) through the third air passage groove (808) and the second air passage groove (807). Locking mechanism (9), the locking mechanism (9) includes a fixed frame (901) and a positioning block (907), the fixed frame (901) is disposed on one side of the airtight piston (803), and the positioning block (907) is movably inserted in the fixed frame (901). The positioning mechanism (10) includes a connecting side plate (1009), a fixed side plate (1010), and a first fixing block (1013). The connecting side plate (1009) is movably arranged on the left and right sides of the mounting plate (3). The fixed side plate (1010) is fixedly installed on both sides of the connecting side plate (1009). Two sets of first fixing blocks (1013) are fixedly installed on the rear side of the fixed side plate (1010). The first fixing block (1013) is inserted into the second fixing hole (12).

2. The distribution box for preventing cable wear according to claim 1, characterized in that: The compression airbag (5) and the telescopic airbag (6) are connected. The two sets of telescopic airbags (6) are arranged on the front and rear sides of the compression airbag (5) and the angle between them is obtuse. The fixed partition (4) is T-shaped. The compression airbag (5) and the telescopic airbag (6) are both housed on the left and right sides of the fixed partition (4).

3. The distribution box for preventing cable wear according to claim 1, characterized in that: The pneumatic clamping mechanism (8) further includes a limiting side plate (809), a limiting block (810), a guide block (811), an outer frame (812), an inner support rod (813), and a limiting groove (814). Two sets of limiting side plates (809) are fixedly installed on the left and right sides of the fixed partition (4). Limiting blocks (810) are fixedly installed on the upper and lower sides of the limiting side plate (809). A guide block (811) is fixedly installed on one side of the limiting block (810). An outer frame (812) is fixedly installed on the upper and lower sides of the telescopic airbag (6). An inner support rod (813) is fixedly installed inside the telescopic airbag (6). The inner support rod (813) connects to the upper and lower outer frames (812). A limiting groove (814) is opened on each of the outer frames (812). The limiting block (810) is inserted into the limiting groove (814).

4. A distribution box for preventing cable wear according to claim 1, characterized in that: The locking mechanism (9) further includes a movable ring (902), a fixed sleeve (903), a movable rod (904), a first spring (905), a movable groove (906), a positioning groove (908), and a sealing ring (909). The fixed frame (901) is fixedly installed on the movable air rod (804). The movable ring (902) is movably disposed within the fixed frame (901). The fixed sleeve (903) is fixedly installed within the fixed frame (901). The movable rod (904) is movably inserted into the fixed sleeve (903). The first spring (905) is disposed within the fixed sleeve (903). The first spring (905) abuts against the lower side of the movable rod (904). The movable rod (904) is fixedly installed on the lower side of the movable ring (902). A positioning block (907) is fixedly installed on the upper side of the movable ring (902). A movable groove (906) is opened on the upper side of the fixed frame (901). The positioning block (907) is movably inserted into the movable groove (906). Two sets of positioning grooves (908) are opened on the upper side of the movable long groove (801). The positioning block (907) is engaged in the positioning groove (908). A sealing ring (909) is fixedly installed on one side of the fixed frame (901).

5. A distribution box for preventing cable wear according to claim 1, characterized in that: The positioning mechanism (10) further includes a limiting strip (1001), a rack (1002), a limiting groove (1003), a connecting plate (1014), a shielding block (1015), and a gear (1016). Two sets of limiting strips (1001) are fixedly installed on the upper and lower sides of the mounting plate (3), and two sets of racks (1002) are movably installed on the upper and lower sides of the mounting plate (3). The racks (1002) have limiting grooves (1003) inside them, and the limiting strips (1001) are inserted into the limiting grooves. Inside the groove (1003), the rack (1002) is mounted on the connecting side plate (1009). Gears (1016) are rotatably mounted on both the upper and lower sides of the mounting plate (3). Both sets of racks (1002) on the same side mesh with the gears (1016). Two sets of connecting plates (1014) are fixedly mounted on the upper and lower sides of the fixing frame (901). The connecting plates (1014) are fixedly mounted on the rack (1002) on the front side. Shielding blocks (1015) are fixedly mounted on both the upper and lower sides of the mounting plate (3).

6. A distribution box for preventing cable wear according to claim 5, characterized in that: The positioning mechanism (10) further includes a square sleeve rod (1004), a square insert rod (1005), a limiting rod (1006), a second spring (1007), a limiting circular groove (1008), a first fixing hole (1011), and an anti-slip pad (1012). The square sleeve rod (1004) is fixedly installed on the rack (1002), and the square insert rod (1005) is movably inserted into the square sleeve rod (1004). The square insert rod (1005) is fixedly installed on the connecting side plate (1009), and the limiting rod (1006) is fixedly installed inside the square sleeve rod (1004). The positioning rod (1006) is fitted with a second spring (1007). The square insert rod (1005) has a limiting groove (1008) inside. The limiting rod (1006) is movably inserted into the limiting groove (1008). The front fixed side plate (1010) has two sets of first fixing holes (1011). The size and position of the first fixing holes (1011) are adapted to the size and position of the first fixing block (1013). The rear fixed side plate (1010) is fixedly installed with an anti-slip pad (1012).

7. A distribution box for preventing cable wear according to claim 1, characterized in that: A wire harness ring (11) is provided between the two sets of grid strips (2). Fixed tail blocks (13) are fixedly installed at both ends of the wire harness ring (11). A second fixing block (14) is fixedly installed on the fixed tail block (13). The second fixing block (14) is engaged in the second fixing hole (12).

8. A distribution box for preventing cable wear according to claim 7, characterized in that: A locking pad (16) is fixedly installed inside the wire harness (11). The locking pad (16) is narrow at the front and wide at the back. A support ring (15) is fixedly installed on the front side of the wire harness (11). The side of the fixing point between the support ring (15) and the wire harness (11) is an arc surface.

9. A distribution box for preventing cable wear according to claim 1, characterized in that: The two sets of grid strips (2) located in the upper left corner are provided with placement slots (17), the width of which is adapted to the diameter of the second fixing hole (12).

Images