A fixed connecting piece for preventing the falling of a cable installation of a machine-electricity electrical equipment

By using a multi-stage power transmission drive assembly and an annular airbag sealing structure, the problems of vibration and compatibility of cable fixing connectors are solved, achieving cable stability and sealing protection, and ensuring equipment safety.

CN121529257BActive Publication Date: 2026-03-20JIANGXI HANCHANG CONSTR ENG CO LTD +1
View PDF 2 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2026-01-13
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing cable fixing connectors are prone to loosening under vibration or external force, have poor compatibility, and cause faults such as increased contact resistance, overheating, and arcing. Furthermore, the connectors need to be replaced when changing to different specifications of cables.

Method used

The multi-stage power transmission drive assembly drives the anti-detachment assembly and the protective assembly to achieve dual fixation of "mechanical clamping + pin tightness", which can adapt to cables with different outer diameters. Combined with the ring airbag seal, it prevents foreign objects from entering.

Benefits of technology

It effectively prevents cables from loosening and falling off, reduces contact resistance, adapts to various cable specifications, improves installation efficiency, and ensures equipment safety.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN121529257B_ABST
    Figure CN121529257B_ABST
Patent Text Reader

Abstract

The application relates to a fixed connecting piece for preventing the falling of a cable of an electromechanical electrical equipment, which comprises a plurality of single connecting pieces fixedly connected, wherein each single connecting piece comprises a side frame, a fixing sleeve, a protective sleeve and a mounting seat, the side frame and the mounting seat are fixedly arranged on the two sides of the outer wall of the fixing sleeve respectively, and the protective sleeve is fixedly arranged on the top and the bottom of the fixing sleeve; a falling prevention assembly is arranged on the top and the bottom of the inner wall of the fixing sleeve; and a protection assembly is arranged in the protective sleeve. In the application, double fixing is formed, the problem of easy falling of the cable is solved completely, even when the equipment vibrates, impacts or the cable is pulled by external force, displacement can be effectively resisted, the cable can be prevented from loosening and falling, the risk of heating and sparking caused by the increase of contact resistance is obviously reduced, the operation safety of the equipment is ensured, the curved surface profile of the cable with different outer diameters can be adapted, and special pressing sleeves or buckles do not need to be replaced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electromechanical equipment, and in particular to a fixed connecting piece for preventing the falling of an electromechanical electrical equipment cable installation. BACKGROUND

[0002] In the process of cable installation of electromechanical electrical equipment, the fixed connecting piece is the core component for realizing the conductive connection and mechanical fixation of the cable and the equipment, and the connection stability directly determines the safety and reliability of the operation of the electrical equipment.

[0003] At present, the existing cable fixed connecting piece mostly adopts a "single fastening" structure, that is, only a single direction extrusion fixation of the cable is realized through a threaded pressing sleeve, binding fixation or a buckle. However, the existing fixed connecting piece still has the following technical defects which have not been well solved when in use: (1) weak anti-falling ability: when the electrical equipment is in a vibration, impact or cable pulling by external force scene, the single extrusion structure is easy to loosen, which leads to the increase of the contact resistance between the cable and the connecting piece, and causes faults such as heating and sparking, and even causes the cable to fall off, which leads to equipment downtime or safety accidents; (2) poor adaptability: the outer diameters of different specifications of cables are different, and when fixing cables with different outer diameters, the existing connecting piece needs to replace the corresponding type of pressing sleeve or buckle to adapt, which increases the inventory cost and installation complexity, and is inconvenient to use, and is not convenient to disassemble and assemble, therefore, a fixed connecting piece for preventing the falling of an electromechanical electrical equipment cable installation is urgently needed to improve the above problems. SUMMARY

[0004] In view of the above prior art, the technical problem to be solved by the present application is that the prior art only realizes single direction extrusion fixation of the cable, which is easy to loosen and has poor adaptability.

[0005] To solve the above problems, the present application provides a fixed connecting piece for preventing the falling of an electromechanical electrical equipment cable installation, comprising:

[0006] A plurality of single connecting pieces fixedly connected, each single connecting piece comprising a side frame, a fixed sleeve, a protective sleeve and a mounting seat, and the side frame and the mounting seat are fixedly installed on the outer wall of the fixed sleeve on both sides, respectively, and the protective sleeve is fixedly installed on the top and bottom of the fixed sleeve;

[0007] An anti-falling assembly, a first annular groove is formed on the inner wall of the top and bottom of the fixed sleeve for installing the anti-falling assembly, and the anti-falling assembly is used to prevent the cable body from falling off from the fixed sleeve;

[0008] A protection assembly, the protection assembly is arranged in the protective sleeve, and the protection assembly is used to prevent foreign matters from entering the fixed sleeve;

[0009] A driving assembly is arranged in the side frame and the fixing sleeve, and is used to drive the anti-disengagement assembly and the protection assembly to work.

[0010] Through the above technical scheme, the double fixing of mechanical clamping and pin close contact is formed, the problem of cable easy disengagement is solved, and the fixing requirement for cables with different outer diameters is met.

[0011] The anti-disengagement assembly comprises a movable ring slidingly arranged in the first annular groove, and the inner wall of the movable ring is fixedly provided with a lifting sleeve and a guide sleeve, one end of the lifting sleeve and one end of the guide sleeve are both rotatably connected with a push-pull plate through a pin shaft, one end of the push-pull plate is rotatably connected with an anti-disengagement block through a pin shaft, the top of the anti-disengagement block is fixedly provided with a hinge seat with the inner wall of the top of the first annular groove, and the inner wall of the first annular groove is fixedly provided with a first guide rod penetrating through the guide sleeve.

[0012] Through the above technical scheme, the anti-disengagement block realizes the ring-shaped clamping of the cable, and the clamping force is more uniform compared with the existing single extrusion structure.

[0013] The bottom of the anti-disengagement block is provided with a plurality of insertion grooves arranged at equal distances, and the inner wall of each insertion groove is inserted with an anti-disengagement pin, one end of the anti-disengagement pin is provided in a sharp arc shape, the other end of the anti-disengagement pin is fixedly provided with a spring with the top of the insertion groove, and the spring is always in a compressed state and applies an elastic downward force to the anti-disengagement pin.

[0014] Through the above technical scheme, a mechanical engagement point is formed, the axial tension of the cable is effectively resisted, at the same time, the elastic buffering effect of the spring can adapt to the slight displacement of the cable when the cable is vibrated, the damage of the cable insulation layer caused by rigid contact is avoided, and it is ensured that the anti-disengagement pin always keeps close contact with the cable.

[0015] The anti-disengagement block is arranged in three to four numbers and arranged in an annular array on the inner side of the fixing sleeve, and the anti-disengagement block is arranged in an arc shape, and the bottom corner of the anti-disengagement block is close to the outer wall of the cable body.

[0016] Through the above technical scheme, the arc-shaped anti-disengagement block arranged in an annular array can form surface contact with the outer wall of the cable with different outer diameters, the adaptation range is expanded, and a plurality of specifications of cables can be adapted without replacing the assembly.

[0017] The application further provides that the protection assembly comprises a third annular groove formed in the inner wall of the protection sleeve and a second annular groove formed in the bottom of the protection sleeve, the inner wall of the third annular groove and the inner wall of the second annular groove are provided with air guide holes distributed at equal distances, the inner wall of the third annular groove is fixedly provided with an annular air bag, the outer wall of the annular air bag is provided in an open form, the annular air bag is communicated with the air guide holes and the second annular groove, a second mounting hole is formed in one side of the top of the first annular groove in a penetrating manner, the inner wall of the second mounting hole is rotatably connected with a threaded column extending into the second annular groove, the outer wall of the threaded column is screwed with a lifting frame, the top of the lifting frame is fixedly provided with an annular push disc located in the second annular groove, and the outer wall and the inner wall of the annular push disc are both fixedly provided with a piston sleeve which is in sliding sealing cooperation with the inner wall of the second annular groove.

[0018] Through the above technical scheme, the high-pressure air is filled into the annular air bag through the air guide holes to make the annular air bag expand and form a sealing ring closely attached to the outer wall of the cable, compared with the traditional rubber sealing ring, the air bag sealing can adapt to the change of the outer diameter of the cable, has a higher protection level, and can effectively block dust, water vapor and other impurities from entering.

[0019] The application further provides that the top of the fixing sleeve is fixedly provided with a second guide rod inserted into the second annular groove, and the bottom of the annular push disc is fixedly provided with a guide frame, and the guide frame is provided with a guide hole through which the second guide rod passes.

[0020] Through the above technical scheme, the annular push disc is provided with accurate guidance to avoid deflection during lifting and cause sealing failure, and at the same time, the piston sleeve is ensured to always be in sealing cooperation with the inner wall of the second annular groove to maintain stable air pressure and ensure the sealing effect of the annular air bag.

[0021] The application further provides that the driving assembly comprises a mounting cavity formed in one side of the middle of the fixing sleeve, the top and the bottom of the mounting cavity are both provided with a through hole communicated with the first annular groove, a bidirectional screw rod is fixedly provided between the end portions of the two threaded columns and passes through the through hole and the mounting cavity, the inner wall of the lifting sleeve is screwed with the outer wall of the bidirectional screw rod, one end of the mounting cavity and one end of the side frame are provided with a first mounting hole, the inner wall of the first mounting hole is rotatably connected with a transmission shaft, a bevel gear engaged with the bidirectional screw rod is fixedly provided on one end of the transmission shaft and the outer wall of the bidirectional screw rod, and the transmission shaft is provided with a same rotating member.

[0022] The application further provides that the rotating member comprises a third mounting hole formed on the side frame, the inner wall of the third mounting hole is rotatably connected with a driving shaft, one end of the driving shaft is fixedly provided with a knob, the outer wall of the driving shaft is fixedly provided with worm gears distributed at equal distances, and the outer wall of the transmission shaft is fixedly provided with worm wheels engaged with the worm gears.

[0023] Through the above technical scheme: the anti-falling clamping and the sealing protection action are synchronized to complete, and the installation efficiency is improved.

[0024] The anti-falling assembly is symmetrically arranged on the inner side of the fixing sleeve, the protection assembly is symmetrically arranged on the inner side of the protection sleeve, and the outer surface of the protection sleeve is in the shape of a cone.

[0025] The top and the bottom of the mounting seat are fixedly provided with mounting lug seats, and mounting base holes with internal threads are formed in the mounting lug seats.

[0026] Through the above technical scheme: the anti-falling clamping and the sealing protection action are synchronized to complete, and the installation efficiency is improved.

[0027] Compared with the prior art, the present application has the following advantages after adopting the above structure:

[0028] 1、In the present application, the driving assembly drives the anti-falling assembly and the protection assembly, the knob is rotated to drive the driving shaft and the worm to rotate, the worm is engaged with the worm gear on the transmission shaft to transmit the rotary motion to the transmission shaft, the bevel gear at the end of the transmission shaft is engaged with the bidirectional screw rod to drive the bidirectional screw rod to rotate synchronously in the installation cavity and the perforation, the power is transmitted in multiple stages, at this time, when the bidirectional screw rod rotates, the lifting sleeve on the outer wall of the bidirectional screw rod moves along the axial direction according to the thread track, the lifting sleeve and the guide sleeve push the push-pull plate through the pin shaft, the anti-falling block rotates around the hinge seat, the multiple arc-shaped anti-falling blocks are gathered and attached to the outer wall of the cable body, at the same time, the anti-falling pin in the anti-falling block slot is tightly attached to the cable insulation layer in the elastic force of the compression spring in the form of a sharp end arc, forming a double fixation of "mechanical clamping + pin tightness", thereby completely solving the problem of easy falling of the cable, even when the equipment is vibrating, impacting or the cable is pulled by external force, the displacement can be effectively resisted, the cable can be prevented from loosening and falling, the risk of heating and sparking caused by increased contact resistance is significantly reduced, and the safety of equipment operation is ensured.

[0029] 2、In the present application, the multiple arc-shaped anti-falling blocks are attached to the cable in the form of an annular array, which can adapt to the curved profile of cables with different outer diameters without the need to replace special compression sleeves or buckles, and when the anti-falling blocks are separated from the cable body, the function of easy disassembly is realized.

[0030] 3、The two-way screw rotates synchronously to drive the threaded columns at both ends to rotate, the lifting frame on the outer wall of the threaded column drives the annular push disc to ascend in the second annular groove along the second guide rod, the piston sleeve on the annular push disc extrudes the air in the second annular groove, the compressed air enters the annular air bag in the third annular groove through the air guide hole, the air bag is inflated and tightly attached to the outer wall of the cable, the sealing protection of both ends of the fixing sleeve is completed, on the one hand, dust, water vapor and other external impurities are effectively blocked from entering the inside of the fixing sleeve, preventing the entire fixing connector from being damp or contaminated, on the other hand, the stability of the cable is further improved, and the anti-disengagement effect is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is a perspective structural schematic view of the fixing connector for preventing the cable of the electrical and mechanical electrical equipment from falling off in the application;

[0032] Figure 2 It is a driving assembly structural schematic view of the fixing connector for preventing the cable of the electrical and mechanical electrical equipment from falling off in the application;

[0033] Figure 3 It is a side sectional view of the fixing connector for preventing the cable of the electrical and mechanical electrical equipment from falling off in the application;

[0034] Figure 4 It is a perspective sectional view of the fixing connector for preventing the cable of the electrical and mechanical electrical equipment from falling off in the application;

[0035] Figure 5 It is an installation cavity and air guide hole structural schematic view of the fixing connector for preventing the cable of the electrical and mechanical electrical equipment from falling off in the application;

[0036] Figure 6 It is a protection assembly structural schematic view of the fixing connector for preventing the cable of the electrical and mechanical electrical equipment from falling off in the application;

[0037] Figure 7 It is a push-pull plate structural schematic view of the fixing connector for preventing the cable of the electrical and mechanical electrical equipment from falling off in the application;

[0038] Figure 8 It is an insertion slot and spring structural schematic view of the fixing connector for preventing the cable of the electrical and mechanical electrical equipment from falling off in the application;

[0039] Figure 9 It is an annular air bag and annular push disc structural schematic view of the fixing connector for preventing the cable of the electrical and mechanical electrical equipment from falling off in the application.

[0040] Explanation of reference numerals in the drawing:

[0041] 1, side frame; 2, fixed sleeve; 3, protective sleeve; 4, cable body; 5, mounting seat; 6, drive assembly; 61, drive shaft; 62, transmission shaft; 63, worm; 64, worm gear; 65, bevel gear; 66, knob; 67, bidirectional screw; 68, mounting cavity; 69, first mounting hole; 610, through hole; 7, mounting lug; 8, anti-dropping assembly; 81, movable ring; 82, lifting sleeve; 83, hinged seat; 84, guide sleeve; 85, first guide rod; 86, anti-dropping block; 87, anti-dropping pin; 88, push-pull plate; 89, insertion slot; 810, spring; 9, protection assembly; 91, annular air bag; 92, annular push disc; 93, second annular groove; 94, threaded column; 95, lifting frame; 96, third annular groove; 97, second mounting hole; 98, air guide hole; 99, piston sleeve; 910, guide frame; 911, second guide rod; 10, first annular groove. DETAILED DESCRIPTION

[0042] The embodiments of the present application will be described in detail below with reference to the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary only, and are used only for the purpose of explaining the present application, and should not be understood as limiting the present application.

[0043] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0044] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, set, or it can be detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0045] Please refer to Figures 1-9 The present application provides a kind of fixed connecting piece for preventing the installation of anti-dropping electromechanical electrical equipment cable, comprising:

[0046] A plurality of single connecting pieces are fixedly connected, and single connecting piece includes side frame 1, fixed sleeve 2, protective sleeve 3 and mounting seat 5, and side frame 1 and mounting seat 5 are respectively fixedly installed on the outer wall of fixed sleeve 2 Two sides, protective sleeve 3 is fixedly installed on the top and bottom of fixed sleeve 2;

[0047] The anti-disengagement assembly 8 is arranged in the first annular groove 10 in the inner wall top and bottom of the fixing sleeve 2, and is used to prevent the cable body 4 from disengaging from the fixing sleeve 2. The anti-disengagement assembly 8 comprises a movable ring 81 slidingly arranged in the first annular groove 10, and the inner wall of the movable ring 81 is fixedly provided with a lifting sleeve 82 and a guide sleeve 84. One end of the lifting sleeve 82 and one end of the guide sleeve 84 are both rotatably connected with a push-pull plate 88 through a pin shaft. One end of the push-pull plate 88 is rotatably connected with an anti-disengagement block 86 through a pin shaft. The top of the anti-disengagement block 86 is fixedly provided with a hinge seat 83 on the inner wall of the top of the first annular groove 10. The inner wall of the first annular groove 10 is fixedly provided with a first guide rod 85 penetrating through the guide sleeve 84. The bottom of the anti-disengagement block 86 is provided with a plurality of insertion grooves 89 distributed at equal distances. The inner wall of each insertion groove 89 is inserted with an anti-disengagement pin 87. One end of the anti-disengagement pin 87 is provided in a pointed arc shape. The pointed end of the anti-disengagement pin 87 is covered with a rubber protective layer, which will not pierce the cable. The other end of the anti-disengagement pin 87 is fixedly provided with a spring 810 on the top of the insertion groove 89. The spring 810 is always in a compressed state and exerts an elastic downward force on the anti-disengagement pin 87. When the bidirectional screw rod 67 rotates, it drives the lifting sleeve 82 to move axially, drives the movable ring 81 to slide in the first annular groove 10, thereby pushing the push-pull plate 88, causing the anti-disengagement block 86 to rotate around the hinge seat 83 and gather towards the cable body 4, and adhere to the outer wall thereof. At the same time, the anti-disengagement pin 87 tightly adheres to the cable insulation layer in a pointed arc shape under the elastic force of the compressed spring 810, forming a double fixation of “mechanical clamping + pin sticking”, thereby completely solving the problem of easy disengagement of the cable. Even when the equipment vibrates, impacts or the cable is pulled by external force, it can effectively resist displacement and prevent the cable from loosening and disengaging, significantly reducing the risk of heating and sparking caused by increased contact resistance, and ensuring the safety of equipment operation.

[0048] The protection assembly 9 is arranged in the protection sleeve 3, the protection assembly 9 is used for preventing foreign matters from entering the fixing sleeve 2, the protection assembly 9 comprises a third annular groove 96 arranged on the inner wall of the protection sleeve 3 and a second annular groove 93 arranged on the bottom of the protection sleeve 3, the inner wall of the third annular groove 96 and the inner wall of the second annular groove 93 are provided with air guide holes 98 distributed at equal distances, the inner wall of the third annular groove 96 is fixedly provided with an annular air bag 91, the outer wall of the annular air bag 91 is provided in an open form, the annular air bag 91 is communicated with the air guide holes 98 and the second annular groove 93, the top of the first annular groove 10 is provided with a second mounting hole 97 on one side, the inner wall of the second mounting hole 97 is rotatably connected with a threaded column 94 extending into the second annular groove 93, the outer wall of the threaded column 94 is screwed with a lifting frame 95, the top of the lifting frame 95 is fixedly provided with an annular push disc 92 located in the second annular groove 93, the outer wall and the inner wall of the annular push disc 92 are fixedly provided with piston sleeves 99, the outer wall of the piston sleeve 99 is in sliding sealing cooperation with the inner wall of the second annular groove 93, the top of the fixing sleeve 2 is fixedly provided with a second guide rod 911 inserted into the second annular groove 93, the bottom of the annular push disc 92 is fixedly provided with a guide frame 910, the guide frame 910 is provided with a guide hole through which the second guide rod 911 passes, when the bidirectional screw rod 67 rotates, the threaded column 94 rotates synchronously, so that the lifting frame 95 drives the annular push disc 92 to ascend in the second annular groove 93 along the second guide rod 911, the piston sleeve 99 on the annular push disc 92 extrudes the air in the second annular groove 93, the compressed air enters the annular air bag 91 in the third annular groove 96 through the air guide holes 98, so that the annular air bag 91 expands and tightly adheres to the outer wall of the cable body 4, the sealing protection of the two ends of the fixing sleeve 2 is realized, on one hand, the foreign matters such as dust and water vapor are effectively blocked from entering the inside of the fixing sleeve 2, so that the whole fixing connector is prevented from being damp or contaminated, on the other hand, the stability of the cable is further increased, and the effect of preventing the cable from being separated is realized;

[0049] The driving assembly 6 is arranged in the side frame 1 and the fixed sleeve 2, and is used for driving the anti-disengagement assembly 8 and the protection assembly 9 to work, the driving assembly 6 comprises a mounting cavity 68 arranged at one side of the middle of the fixed sleeve 2, and the top and bottom of the mounting cavity 68 are provided with through holes 610 communicated with the first annular groove 10, the ends of the two threaded columns 94 are fixedly connected with a bidirectional screw rod 67 penetrating through the through holes 610 and the mounting cavity 68, the inner wall of the lifting sleeve 82 is screw-connected with the outer wall of the bidirectional screw rod 67, one end of the mounting cavity 68 is provided with a first mounting hole 69 arranged at one end of the side frame 1, and the inner wall of the first mounting hole 69 is rotatably connected with a transmission shaft 62, one end of the transmission shaft 62 is fixedly connected with a bevel gear 65 arranged on the outer wall of the bidirectional screw rod 67, the transmission shaft 62 is provided with a same rotating part, the rotating part comprises a third mounting hole arranged on the side frame 1, and the inner wall of the third mounting hole is rotatably connected with a driving shaft 61, one end of the driving shaft 61 is fixedly connected with a knob 66, the outer wall of the driving shaft 61 is fixedly connected with equidistantly distributed worm gears 63, and the outer wall of the transmission shaft 62 is fixedly connected with worm gears 64, the worm gears 64 are meshed with the worm gears 63, the knob 66 in the rotating part drives the driving shaft 61 and the worm gears 63 on the outer wall to rotate synchronously, the worm gears 63 are meshed with the worm gears 64 on the transmission shaft 62, the rotating motion is transmitted to the transmission shaft 62, the transmission shaft 62 is meshed with the bidirectional screw rod 67 through the bevel gear 65 at the end, the bidirectional screw rod 67 is stably rotated in the mounting cavity 68 and the through hole 610, and the step-by-step transmission of power is completed, so that the anti-disengagement assembly 8 and the protection assembly 9 are synchronously worked.

[0050] In the application, the anti-disengagement blocks 86 are arranged in an annular array on the inner side of the fixed sleeve 2, and the anti-disengagement blocks 86 are arranged in an arc shape, and the bottom corners of the anti-disengagement blocks 86 are attached to the outer wall of the cable body 4. The arc-shaped anti-disengagement blocks 86 arranged in an annular array can be in surface contact with the outer wall of the cable with different diameters, thereby expanding the adaptation range, and a plurality of specifications of cables can be adapted without replacing the assembly.

[0051] In the application, the anti-disengagement assembly 8 is symmetrically arranged on the inner side of the fixed sleeve 2, and the protection assembly 9 is symmetrically arranged on the inner side of the protection sleeve 3. The outer surface of the protection sleeve 3 is in a conical shape.

[0052] In the application, the top and bottom of the mounting seat 5 are fixedly connected with mounting ear seats 7, and mounting base holes with internal threads are arranged on the mounting ear seats 7. The mounting ear seats 7 and the mounting base holes facilitate the mounting of the entire fixed connecting piece.

[0053] In summary, the working principle of the application is as follows: the working of the fixed connecting piece takes the driving assembly 6 as the power core, and the anti-disengagement assembly 8 and the protection assembly 9 are synchronously moved through multi-stage power transmission, thereby realizing the double fixing and sealing protection of the cable.

[0054] Rotating the knob 66 in the rotating part, the driving shaft 61 and the worm 63 of the outer wall rotate synchronously, the worm 63 meshes with the worm gear 64 on the transmission shaft 62, the rotary motion is transmitted to the transmission shaft 62, the transmission shaft 62 meshes with the bidirectional screw 67 through the bevel gear 65 at the end, drives the bidirectional screw 67 to rotate stably in the installation cavity 68 and the hole 610, completes the step-by-step transmission of power; when the bidirectional screw 67 rotates, the lifting sleeve 82 screwed on the outer wall moves in the axial direction, drives the movable ring 81 to slide in the first annular groove 10, the lifting sleeve 82 and the guide sleeve 84 push the push-pull plate 88 through the pin shaft, promote the anti-off block 86 to rotate around the hinge seat 83, the three to four arc-shaped anti-off blocks 86 arranged in an annular array gather and fit the outer wall of the cable body 4, and the anti-off pin 87 in the anti-off slot 89 of the anti-off block 86 is tightly attached to the cable insulation layer in the elastic force of the spring 810 in the compressed state, forming a double fixing structure of "mechanical clamping + pin tightness";

[0055] At the same time, the threaded column 94 fixedly connected with the bidirectional screw 67 rotates synchronously with the bidirectional screw 67, the lifting frame 95 on the outer wall of the threaded column 94 drives the annular push disc 92 to rise in the second annular groove 93 along the second guide rod 911, the piston sleeve 99 on the annular push disc 92 extrudes the air in the second annular groove 93, the compressed air enters the annular air bag 91 in the third annular groove 96 through the air guide hole 98, makes the annular air bag 91 expand and tightly fit the outer wall of the cable body 4, realizes the sealing protection of the two ends of the fixed sleeve 2, the whole process completes the anti-off clamping and sealing protection through a single operation, and the annular array of the anti-off block 86 and the expanded annular air bag 91 can adapt to cables with different outer diameters, and the adaptability of the lifting device is improved.

[0056] In combination with the actual needs at present, the protection scope of the above-mentioned embodiments of the application is not limited to this, various changes made within the knowledge range of those skilled in the art without departing from the concept of the application still fall within the protection scope of the application.

Claims

1. A fixing connector for installing anti-detachment electromechanical equipment cables, characterized in that, include: Multiple single connectors are fixedly connected to each other. Each single connector includes a side frame (1), a fixing sleeve (2), a protective sleeve (3), and a mounting base (5). The side frame (1) and the mounting base (5) are fixedly installed on both sides of the outer wall of the fixing sleeve (2), and the protective sleeve (3) is fixedly installed on the top and bottom of the fixing sleeve (2). The anti-detachment component (8) has a first annular groove (10) on the top and bottom of the inner wall of the fixing sleeve (2) for installation of the anti-detachment component (8). The anti-detachment component (8) is used to prevent the cable body (4) from detaching from the fixing sleeve (2). The anti-detachment component (8) includes a movable ring (81) that is slidably disposed in the first annular groove (10). A lifting sleeve (82) and a guide sleeve (84) are fixedly installed on the inner wall of the movable ring (81). One end of the lifting sleeve (82) and one end of the guide sleeve (84) are rotatably connected to a push-pull plate (88) by a pin. One end of the push-pull plate (88) is rotatably connected to an anti-detachment block (86) by a pin. Furthermore, the top of the anti-detachment block (86) is fixed with the top inner wall of the first annular groove (10) and a hinge seat (83) is fixed thereon. The inner wall of the first annular groove (10) is fixed with a first guide rod (85) that passes through the guide sleeve (84). The bottom of the anti-detachment block (86) is provided with slots (89) that are evenly distributed. The inner wall of the slot (89) is inserted with an anti-detachment pin (87). One end of the anti-detachment pin (87) is set with a pointed arc shape. The other end of the anti-detachment pin (87) is fixed with a spring (810) at the top of the slot (89). The spring (810) is always in a compressed state and applies a downward elastic force to the anti-detachment pin (87). A protective component (9) is disposed inside a protective sleeve (3). The protective component (9) is used to prevent external debris from entering the fixed sleeve (2). The protective component (9) includes a third annular groove (96) opened on the inner wall of the protective sleeve (3) and a second annular groove (93) opened on the bottom of the protective sleeve (3). The inner wall of the third annular groove (96) and the inner wall of the second annular groove (93) are provided with air guide holes (98) distributed at equal intervals. An annular airbag (91) is fixedly installed on the inner wall of the third annular groove (96), and the outer wall of the annular airbag (91) is open. The annular airbag (91) and the air guide hole (98) are connected to the air guide hole (98). The air hole (98) is connected to the second annular groove (93). A second mounting hole (97) is provided through one side of the top of the first annular groove (10). A threaded column (94) extending into the second annular groove (93) is rotatably connected to the inner wall of the second mounting hole (97). A lifting frame (95) is screwed to the outer wall of the threaded column (94). An annular push plate (92) located in the second annular groove (93) is fixedly installed on the top of the lifting frame (95). A piston sleeve (99) is fixedly installed on both the outer and inner walls of the annular push plate (92). The outer wall of the piston sleeve (99) and the inner wall of the second annular groove (93) slide and seal in a sealing fit. The drive component (6) is disposed in the side frame (1) and the fixing sleeve (2), and the drive component (6) is used to drive the anti-detachment component (8) and the protective component (9) to work.

2. The fixing connector for installing anti-detachment electromechanical equipment cables according to claim 1, characterized in that, The anti-detachment block (86) is provided in three to four, and the anti-detachment block (86) is distributed in a ring array inside the fixing sleeve (2). The anti-detachment block (86) is arranged in an arc shape, and its bottom corner is attached to the outer wall of the cable body (4).

3. A fixing connector for installing anti-detachment electromechanical equipment cables according to claim 2, characterized in that, The top side of the fixed sleeve (2) is fixed with a second guide rod (911) inserted into the second annular groove (93), and the bottom side of the annular push plate (92) is fixed with a guide frame (910), and the guide frame (910) is provided with a guide hole for the second guide rod (911) to pass through.

4. A fixing connector for installing anti-detachment electromechanical equipment cables according to claim 3, characterized in that, The drive assembly (6) includes a mounting cavity (68) located on one side of the middle of the fixed sleeve (2), and the top and bottom of the mounting cavity (68) are provided with through holes (610) communicating with the first annular groove (10). A bidirectional screw (67) passing through the through hole (610) and the mounting cavity (68) is fixed between the ends of the two threaded columns (94). The inner wall of the lifting sleeve (82) is screwed to the outer wall of the bidirectional screw (67). A first mounting hole (69) is provided at one end of the mounting cavity (68) and at one end of the side frame (1). A drive shaft (62) is rotatably connected to the inner wall of the first mounting hole (69). A bevel gear (65) meshing with the outer wall of the bidirectional screw (67) is fixedly installed at one end of the drive shaft (62). The same rotating component is provided on the drive shaft (62).

5. A fixing connector for installing anti-detachment electromechanical equipment cables according to claim 4, characterized in that, The rotating component includes a third mounting hole on the side frame (1), and a drive shaft (61) is rotatably connected to the inner wall of the third mounting hole. A knob (66) is fixed at one end of the drive shaft (61). Worms (63) are evenly distributed on the outer wall of the drive shaft (61), and worm wheels (64) are fixed on the outer wall of the transmission shaft (62). The worm wheels (64) mesh with the worms (63).

6. A fixing connector for installing anti-detachment electromechanical equipment cables according to claim 5, characterized in that, The anti-detachment component (8) is symmetrically arranged inside the fixed sleeve (2), the protective component (9) is symmetrically arranged inside the protective sleeve (3), and the outer surface of the protective sleeve (3) is conical.

7. A fixing connector for installing anti-detachment electromechanical equipment cables according to claim 1, characterized in that, The mounting base (5) is fixed with mounting ears (7) at both the top and bottom, and the mounting ears (7) are provided with mounting base holes with internal threads.

Citation Information

Patent Citations

  • Cable protection sleeve

    CN114362071A

  • KR20240043522A