Multi-core connector with high-durability, anti-vibration and anti-falling mechanism

Abstract

The invention discloses a multi-core connector with a high-durability, anti-vibration and anti-falling mechanism, and relates to the technical field of multi-core connectors. The device comprises a male head and female head insertion locking module, a cable shearing type clamping module, a controllable electrical separation module and a detachable non-return safety module. The insertion plate and the wedge pressing block are matched to form a self-gain friction lock, so that tighter and tighter pulling is realized, and looseness is prevented; the cable clamping plate performs secondary mechanical shearing and clamping on the welding wire after being staggered by the screw rod; the separation button drives the connecting rod and the roller, so that the separation contact can quickly disconnect a circuit while keeping mechanical locking; and the convenient-to-disassemble clamping block-inclined plane non-return clamping groove structure provides irreversible locking for the tail end and is convenient to maintain and disassemble.

Description

Technical Field

[0001] The present invention relates to the technical field of multi-core connectors, in particular to a multi-core connector with a highly durable, anti-vibration and anti-falling mechanism. Background Art

[0002] In existing multi-core electrical connectors, it is common practice to directly rely on plastic clips or simple nuts to position the male and female ends, and the wires are mostly single-point welded and then reinforced with heat shrink tubing. This type of structure is prone to solder joint fatigue and clip loosening under long-term vibration, impact or large temperature difference environments, causing the cable to gradually withdraw or the contact resistance to increase, ultimately leading to signal interruption or power circuit overheating. In addition, once the existing multi-core connector needs to only cut off the electrical connection and maintain mechanical fixation, the operator still needs to completely pull out the male and female ends. The process is cumbersome and easy to accidentally damage the solder joints. It is also very laborious and easy to scratch fingers. Therefore, traditional multi-core connectors have the problems of insufficient vibration resistance, single cable locking, and unfriendly separation operation. There is an urgent need for a multi-core electrical connector that takes into account both high-durability locking and controllable power-off structure. Summary of the Invention

[0003] In order to overcome the defects of the above-mentioned prior art, the present invention provides the following technical solution: a multi-core connector with a highly durable, vibration-resistant and anti-fall-off mechanism, including a male head, a plurality of female holes are arranged in an equidistant rectangular array on the male head, a male pin is inserted into each female hole for conductive purposes, and the inner wall of each female hole is provided with a conductive coating, and all the female holes are insulated and isolated by the male head; all the male pins are insulated and fixed on a male pin insulating fixing plate, and the male pin insulating fixing plate is in contact with one end of the male head. The male needle insulating fixing plate is fixedly installed on the female head; the male head can be inserted into the female head, a slot is provided on the outer surface of the female head, and an embedded inner groove is provided at the edge position corresponding to the slot of the male head, and the plug-in plate can be inserted into the embedded inner groove, and the plug-in plate can be inserted into the slot; an intermediate overhead plate is fixedly installed on the side of the male head, and an external cover plate is fixedly installed on the intermediate overhead plate, so that a gap is left between the male head and the external cover plate, and a cable clamping plate is slidingly arranged between the male head and the external cover plate, and the cable clamping plate is slidingly arranged on the inner side of the intermediate overhead plate, and an adjusting locking screw that cooperates with the cable clamping plate thread transmission is rotatably installed on the intermediate overhead plate, wherein the cable clamping plate and the external cover plate are provided with through holes with the same number as the female holes and corresponding positions.

[0004] Preferably, a plane groove and an inclined groove are provided on the side wall of the slot, wherein a trapezoidal extrusion block is slidingly overlapped in the inclined groove, and an elastic rubber pad is elastically connected between the trapezoidal extrusion block and the opposite surface of the plane groove, wherein the trapezoidal extrusion block is frictionally and slidingly matched with the side of the plug-in board, and the trapezoidal extrusion block is squeezed against the plug-in board by the restriction of the elastic rubber pad and the inclined groove.

[0005] Preferably, the external cover plate is provided with an insertion card hole, a bent discount can be inserted into the insertion card hole, the end of the bent discount away from the insertion card hole is bent to the upper surface of the plug-in plate, and the bent discount and the plug-in plate are both provided with screw holes penetrating each other, a stud screw is screwed between the two screw holes, the stud screw fixes the bent discount and the plug-in plate as a whole, and the length of the stud screw is less than the thickness of the plug-in plate.

[0006] Preferably, the female head is fixedly installed with a cavity frame on the side away from the external cover plate, a separation contact insulating plate is slidingly installed on the inner wall of the cavity frame, and the same number of separation contacts as the male needles are fixedly installed on the separation contact insulating plate, each separation contact is in conductive contact with a corresponding male needle.

[0007] Preferably, the male needle insulating fixed plate is fixedly installed on the female head, four parallel sliding columns are fixedly installed on one side of the male needle insulating fixed plate facing the cavity frame, the four sliding columns slidingly cooperate with the separation contact insulating plate, a tensile spring is sleeved on the circumferential surface of each sliding column, and the two ends of the tensile spring are fixedly connected with the male needle insulating fixed plate and the separation contact insulating plate, for pulling the separation contact to press the male needle.

[0008] Preferably, the cavity frame is further slidingly inserted with a separation button, the separation button slidingly cooperates with the male needle insulating fixed plate, a threaded hole is arranged at one end of the separation button located outside the cavity frame, for screwing a screw, one end of the separation button located inside the cavity frame is movably connected with the middle part of the side surface of the separation contact insulating plate through a separation pushing connecting rod, a roller is rotationally arranged at the movable connection position of the separation button and the separation pushing connecting rod, the roller rolling cooperates with the side surface of the male needle insulating fixed plate, the separation button is located between the male needle insulating fixed plate and the separation contact insulating plate, and a limiting block is arranged below the male needle insulating fixed plate and in contact with the roller, the limiting block is located below the movable connection position of the separation pushing connecting rod and the separation contact insulating plate, so that when the roller is in contact with the limiting block, the separation pushing connecting rod can be clamped between the male needle insulating fixed plate and the separation contact insulating plate in an inclined state.

[0009] Preferably, a cable routing shell is fixedly installed on the cavity frame, the cable routing shell is used for fixing and arranging cables, the cables on one side of the cable routing shell are electrically connected with the separation contacts, and the cables are fixed through the cable routing shell to prevent the cables from being separated from the separation contacts.

[0010] Preferably, the female head is fixedly embedded with a detachable card block in a detachable manner, an inclined check card slot is arranged at a position corresponding to the detachable card block on the male head, two parallel card plate supporting sliding rods are slidingly inserted into the detachable card block, a card plate is fixedly arranged on each card plate supporting sliding rod, the card plate cooperates with the inclined check card slot, a card plate pressing spring is arranged around each card plate supporting sliding rod, and the two ends of the card plate pressing spring are fixedly connected with the card plate and the detachable card block, for pushing the card plate into the inclined check card slot.

[0011] Compared with the prior art, the present invention has the following advantages: (1) The present invention forms a self-tightening wedge-pressing mechanism through the plug-in plate-trapezoidal extrusion block-inclined groove. When the external pulling force attempts to separate the male head and the female head, the trapezoidal extrusion block further wedges the plug-in plate along the inclined groove under the dual effects of the elastic rubber pad rebound and the inclined surface guide, so that the contact surface pressure and the pull-out force increase in a positive correlation, thereby producing a self-locking effect of tightening with pulling in a vibration and impact environment; (2) The present invention adopts a displaceable through-hole design on the cable clamping plate and the external cover plate. After completing the wire welding, the locking screw is rotated to adjust. After the clamping plate and the female hole are misaligned, shear clamping is generated, which can form a secondary mechanical clamping without increasing the thermal stress of the solder joint, preventing the wire from loosening due to gradual fatigue of the solder; at the same time, the structure can be repeatedly tightened and loosened, which is convenient for on-site maintenance and replacement of a single core wire, effectively solving the problem that the solder joints of existing connectors are difficult to repair; (3) The lever locking system composed of the separation button-separation push rod-roller-limit block of the present invention realizes the function of rapid separation of the electrical disconnection mechanism; the operator only needs to press with one finger to reliably disconnect the separation contact from the male pin, while the male and female end shells remain locked in place. This function can avoid bending impact and accidental contact caused by plugging and unplugging the entire device in the scenario of live detection, module maintenance or when the signal needs to be cut off before the device is removed, significantly improving maintenance safety and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0013] Figure 2 This is a schematic diagram of the cable housing structure of the present invention.

[0014] Figure 3 This is a schematic diagram of the cavity frame structure of the present invention.

[0015] Figure 4 For the present invention Figure 3 Schematic diagram of the structure at point A in the middle.

[0016] Figure 5 This is a structural diagram of the separation contact insulation plate of the present invention.

[0017] Figure 6 For the present invention Figure 5 Schematic diagram of the structure at point B in the middle.

[0018] Figure 7 This is a structural diagram of the external cover plate of the present invention.

[0019] Figure 8 For the present invention Figure 7 Schematic diagram of the structure at point C in the middle.

[0020] Figure 9 It is a structural schematic diagram of the cable clamping plate of the present invention.

[0021] Figure 10 Structure diagram of the female head in the present application Figure 9 Structure diagram of the female head in the present application

[0022] Figure 11 Structure diagram of the female head in the present application Figure 9 Structure diagram of the female head in the present application

[0023] Figure 12 Structure diagram of the female head in the present application

[0024] Figure 13 Structure diagram of the female head in the present application Figure 12 Structure diagram of the female head in the present application

[0025] Figure 14 Structure diagram of the female head in the present application

[0026] Figure 15 Structure diagram of the female head in the present application

[0027] In the figure: 101 - cable winding shell; 102 - cavity frame; 103 - female head; 104 - separation button; 105 - male head; 106 - intermediate overhead plate; 107 - external cover plate; 108 - bending discount; 109 - separation contact insulation plate; 110 - sliding column; 111 - tension spring; 112 - separation contact; 113 - male needle insulation fixed plate; 114 - male needle; 115 - separation push link; 116 - limit block; 117 - roller; 118 - cable clamping plate; 119 - insertion clamping hole; 120 - insertion plate; 121 - stud bolt; 122 - insertion slot; 123 - elastic rubber pad; 124 - trapezoidal extrusion block; 125 - flat groove; 126 - inclined groove; 127 - embedded inner groove; 128 - adjustment locking screw; 129 - female hole; 130 - easy-to-disassemble clamping block; 131 - inclined non-return clamping groove; 132 - clamping plate; 133 - clamping plate support sliding rod; 134 - clamping plate extrusion spring. DETAILED DESCRIPTION

[0028] The technical solutions of the present application will be further described below in combination with the accompanying drawings and through specific embodiments. Figures 1-15

[0029] ​The present invention provides a multi-core connector with a highly durable, anti-vibration and anti-dropping mechanism, including a male connector 105. The male connector 105 is provided with a plurality of female holes 129 in an equidistant rectangular array. A male pin 114 is conductively inserted into each female hole 129, and the inner wall of each female hole 129 is provided with a conductive coating. All female holes 129 are insulated and isolated by the male connector 105; all male pins 114 are insulated and fixed on a male pin insulating fixing plate 113, and the male pin insulating fixing plate 113 is in contact with one end of the male connector 105. The male pin insulating fixing plate 113 is fixedly mounted on the female connector 103; the male connector 105 can be inserted into the female connector 103, and a slot 122 is provided on the outer surface of the female connector 103. An embedded inner groove 127 is provided at the edge of the male connector 105 corresponding to the slot 122. The embedded inner groove 127 can be inserted into the plug 120, and the plug 120 can be inserted into the slot 122; an intermediate overhead plate 106 is fixedly mounted on the side of the male connector 105, and an external cover plate 106 is fixedly mounted on the intermediate overhead plate 106. 07, leaving a gap between the male head 105 and the external cover plate 107, a cable clamping plate 118 is slidingly arranged between the male head 105 and the external cover plate 107, the cable clamping plate 118 is slidingly arranged on the inner side of the intermediate overhead plate 106, and an adjusting locking screw 128 that is threadedly matched with the cable clamping plate 118 is rotatably installed on the intermediate overhead plate 106, wherein the cable clamping plate 118 and the external cover plate 107 are both provided with through holes that are the same in number as the female holes 129 and whose positions correspond one to one. The cable is inserted into the through hole, and then the cable is conductively connected to the inner wall of the mother hole 129 (for example, soldering). After the connection is completed, the locking screw 128 is rotated and adjusted to drive the cable clamping plate 118 to move. At this time, the cable clamping plate 118 and the mother hole 129 will be staggered (the cable clamping plate 118 and the through hole on the external cover plate 107 will also be staggered), and then the cable clamping plate 118 will clamp the cable that is conductively connected to the inner wall of the mother hole 129 like a shear, thereby locking the cable and preventing it from separating and falling off. A plane groove 125 and an inclined groove 126 are provided on the side wall of the slot 122, wherein a trapezoidal extrusion block 124 is slidingly overlappedly provided in the inclined groove 126, and an elastic rubber pad 123 is elastically connected between the trapezoidal extrusion block 124 and the opposite surface of the plane groove 125, wherein the trapezoidal extrusion block 124 is frictionally and slidingly fitted with the side of the plug-in board 120, and the trapezoidal extrusion block 124 is restricted by the elastic rubber pad 123 and the inclined groove 126 so as to squeeze the plug-in board 120.

[0030] An insertion hole 119 is provided on the outer cover plate 107, and a bending fold 108 can be inserted and connected into the insertion hole 119. The end of the bending fold 108 away from the insertion hole 119 is bent to the upper surface of the inserting plate 120, and threaded holes that penetrate each other are provided on the bending fold 108 and the inserting plate 120. A stud nail 121 is screwed into the threaded space between the two threaded holes. The stud nail 121 fixes the bending fold 108 and the inserting plate 120 into one, and the length of the stud nail 121 is less than the thickness of the inserting plate 120. When in use, first insert the insert plate 120 into the embedded inner groove 127, then install the bend fold 108, insert the bend fold 108 into the insertion card hole 119, and then screw the stud nail 121 into the threaded holes of the insert plate 120 and the bend fold 108. The insert plate 120 and the bend fold 108 are fixed together by the stud nail 121. The connection method here is to facilitate user assembly. This is because the accessories here (insert plate 120 and insertion into slot 122) are optional, and the user can choose whether to install them according to the user's usage scenario. When the male connector 105 is inserted into the female connector 103, the plugboard 120 will also be inserted into the slot 122 during this process. At this time, the plugboard 120 will push the trapezoidal extrusion block 124 outward, allowing the trapezoidal extrusion block 124 to squeeze the elastic rubber pad 123 along the inclined groove 126 (the plugboard 120 and the trapezoidal extrusion block 124 are both provided with chamfers to start the guide function and prevent it from getting stuck). Under the elastic force of the elastic rubber pad 123, the trapezoidal extrusion block 124 always maintains contact pressure with the plugboard 120, so that the trapezoidal extrusion block 124 is squeezed between the inclined groove 126 and the plugboard 120. If the male connector 105 is separated from the female connector 103 by an external force, that is, the plugboard 120 wants to be pulled out of the slot 122 (movement trend), at this time, the gap between the plugboard 120 and the trapezoidal extrusion block 124 The friction force will drive the trapezoidal extrusion block 124 to move in the direction away from the flat groove 125, so that the inclined groove 126 further squeezes the trapezoidal extrusion block 124, which will cause the contact pressure between the inclined groove 126, the trapezoidal extrusion block 124, and the plugboard 120 to further increase. As the pressure increases, the friction force will increase, thereby causing the trapezoidal extrusion block 124, the inclined groove 126, and the plugboard 120 to form a stuck state. At this time, the plugboard 120 cannot be pulled out of the slot 122, that is, the female head 103 and the male head 105 cannot be separated. Only when the user rotates the stud nail 121, the stud nail 121 contacts the slot 122, and the plugboard 120 is pushed up from the slot 122, that is, the plugboard 120 is separated from the slot 122 and the embedded inner groove 127, and the lock can be unlocked at this time. However, before this, it is necessary to reversely rotate the stud 121 into the threaded hole in the inserting plate 120. At this time, the inserting plate 120 is separated from the bending fold 108. The bending fold 108 is removed, and then the stud 121 is screwed in again to lift the inserting plate 120.

[0031] A cavity frame 102 is fixedly mounted on the side of the female connector 103 facing away from the external cover plate 107. A separation contact insulating plate 109 is slidably mounted on the inner wall of the cavity frame 102. The separation contact insulating plate 109 is fixedly mounted with the same number of separation contacts 112 as the male pins 114. Each separation contact 112 is in conductive contact with a corresponding male pin 114. A male pin insulating fixing plate 113 is fixedly mounted on the female connector 103. Four parallel sliding posts 110 are fixedly mounted at the four corners of the male pin insulating fixing plate 113 facing the cavity frame 102. The four sliding posts 110 slidably engage with the separation contact insulating plate 109. A tension spring 111 is sleeved on the circumferential surface of each sliding post 110. The ends of the tension spring 111 are fixedly engaged with the male pin insulating fixing plate 113 and the separation contact insulating plate 109, and are used to pull the separation contacts 112 to squeeze the male pins 114.

[0032] A separation button 104 is also slidably inserted into the cavity frame 102, and the separation button 104 slides with the male needle insulating fixing plate 113. A threaded hole is provided at one end of the separation button 104 located outside the cavity frame 102 to facilitate screwing in a screw (for example, installing accessories such as a handle to facilitate the movement of the separation button 104). The end of the separation button 104 located inside the cavity frame 102 is movably connected to the middle part of the side of the separation contact insulating plate 109 through a separation push link 115. The movable connection between the separation push link 115 and the separation button 104 is rotatably equipped with a roller 117, and the roller 117 rotates with the male needle insulating fixing plate 113. The side of the needle insulating fixing plate 113 is rolled together, wherein the separation button 104 is located between the male needle insulating fixing plate 113 and the separation contact insulating plate 109, and the male needle insulating fixing plate 113 is located below the roller 117 and is provided with a limit block 116 that contacts and cooperates with the roller 117. The limit block 116 is located at the lower position of the movable connection between the separation push link 115 and the separation contact insulating plate 109, so that when the roller 117 is in contact with the limit block 116, the separation push link 115 can be tilted and stuck between the male needle insulating fixing plate 113 and the separation contact insulating plate 109. When it is necessary to manually cut off the electrical connection at both ends of the multi-core connector, since it is too troublesome to separate the female plug 103 and the male plug 105, it is only necessary to drive the separation button 104 to slide, that is, pressing the separation button 104 will push the roller 117 toward the limit block 116. During this process, the separation button 104 will push the separation contact insulating plate 109 to move away from the male needle insulating fixing plate 113 through the separation pushing link 115. At this time, the sliding column 110 and the separation contact insulating plate 109 slide relative to each other, and the tension spring 111 is stretched and deformed. When the roller 117 contacts the limit block 116, the separation pushing link 115 swings downward to the limit position. Under the tension of the tension spring 111, the roller 117 always maintains contact with the limit block 116. The separation of the separation contact 112 and the male needle 114 can be achieved only when the separation button 104 is pulled toward the outside of the cavity frame 102, so that the roller 117 is separated from the limit block 116. At this time, under the tension of the tension spring 111, the separation contact 112 will contact the male needle 114 again (taking the separation push link 115 swinging to a horizontal position as a reference, the end of the separation push link 115 facing the roller 117 is located below the plane swinging surface, and will automatically contact the limit block 116 under the tension of the tension spring 111. Conversely, it will swing in the direction away from the limit block 116 under the tension of the tension spring 111. Therefore, it is only necessary to control the position of the separation push link 115 toward the roller 117, that is, to achieve it by pulling the separation button 104).A cable busbar housing 101 is fixedly mounted on the cavity frame 102. The cable busbar housing 101 is used to fix and organize the cables so that the cables on one side of the cable busbar housing 101 are electrically and fixedly connected to the separation contacts 112. The cables are fixed by the cable busbar housing 101 to prevent them from separating from the separation contacts 112 (the cables located inside the cavity frame 102 should have a margin for deformation, such as an arc).

[0033] The female head 103 is fixedly embedded with an easy-to-disassemble card block 130 in a manner that is easy to disassemble. The male head 105 is provided with an inclined non-return slot 131 at a position corresponding to the easy-to-disassemble card block 130. Two parallel card support slides 133 are slidably inserted into the easy-to-disassemble card block 130. A card plate 132 is fixed on the two card support slides 133. The card plate 132 is engaged with the inclined non-return slot 131. A card plate extrusion spring 134 is arranged around each card support slide 133. The two ends of the card plate extrusion spring 134 are fixedly engaged with the card plate 132 and the easy-to-disassemble card block 130, and are used to push the card plate 132 into the inclined non-return slot 131. When the card plate extrusion spring 134 is in the fully compressed state, the card plate 132 can be completely retracted into the body of the female head 103 (that is, the end of the card plate 132 facing the inclined non-return groove 131 is flush with the inner wall of the female head 103). As the male head 105 is gradually inserted into the female head 103, the inclined non-return groove 131 will gradually approach the easy-to-disassemble card block 130. When the easy-to-disassemble card block 130 is aligned with the inclined non-return groove 131, the card plate 132 will be probed into the inclined non-return groove 131 by the card plate extrusion spring 134 and be stuck. At this time, the male head 105 cannot be withdrawn from the female head 103. It can only be done by removing the easy-to-disassemble card block 130. The easy-to-disassemble card block 130 and the female head 103 are fixed with screws.

Claims

1. A multi-core connector with a highly durable anti-vibration and anti-dropout mechanism, characterized by: The male connector (105) includes a plurality of female holes (129) arranged in an equidistant rectangular array on the male connector (105), a male needle (114) is inserted into each female hole (129), and the inner wall of each female hole (129) is provided with a conductive coating, and all the female holes (129) are insulated and isolated by the male connector (105); All male pins (114) are insulated and fixed on the male pin insulation fixing plate (113), and the male pin insulation fixing plate (113) contacts and cooperates with one end of the male head (105). The male pin insulation fixing plate (113) is fixedly mounted on the female head (103); The male head (105) can be inserted into the female head (103); a slot (122) is provided on the outer surface of the female head (103); an embedded inner groove (127) is provided at an edge position of the male head (105) corresponding to the slot (122); the embedded inner groove (127) can be inserted into the inserting plate (120); and the inserting plate (120) can be inserted into the slot (122); An intermediate overhead plate (106) is fixedly installed on the side of the male head (105), and an external cover plate (107) is fixedly installed on the intermediate overhead plate (106), so that a gap is left between the male head (105) and the external cover plate (107), and a cable clamping plate (118) is slidably arranged between the male head (105) and the external cover plate (107), and the cable clamping plate (118) is slidably arranged on the inner side of the intermediate overhead plate (106), and an adjusting locking screw (128) that is threadedly matched with the cable clamping plate (118) is rotatably installed on the intermediate overhead plate (106), wherein the cable clamping plate (118) and the external cover plate (107) are both provided with through holes having the same number as the female holes (129) and corresponding positions.

2. A multi-core connector with a highly durable anti-vibration and anti-fall-off mechanism according to claim 1, characterized in that: A plane groove (125) and an inclined groove (126) are provided on the side wall of the slot (122), wherein a trapezoidal extrusion block (124) is slidably overlapped in the inclined groove (126), and an elastic rubber pad (123) is elastically connected between the opposite surfaces of the trapezoidal extrusion block (124) and the plane groove (125), wherein the trapezoidal extrusion block (124) is frictionally slidably matched with the side edge of the inserting plate (120), and the trapezoidal extrusion block (124) is restricted by the elastic rubber pad (123) and the inclined groove (126) so as to extrude the inserting plate (120).

3. A multi-core connector with a highly durable anti-vibration and anti-fall-off mechanism according to claim 2, characterized in that: An insertion hole (119) is provided on the outer cover plate (107), and a bend fold (108) can be inserted into the insertion hole (119), and one end of the bend fold (108) away from the insertion hole (119) is bent to the upper surface of the insert plate (120), and threaded holes that penetrate each other are provided on the bend fold (108) and the insert plate (120), and a stud nail (121) is screwed into the thread between the two threaded holes, and the stud nail (121) fixes the bend fold (108) and the insert plate (120) into one body, and the length of the stud nail (121) is less than the thickness of the insert plate (120).

4. A multi-core connector with a highly durable anti-vibration and anti-dropout mechanism according to claim 3, characterized in that: A cavity frame (102) is fixedly mounted on one side of the female connector (103) away from the external cover plate (107), a separation contact insulating plate (109) is slidably mounted on the inner wall of the cavity frame (102), and the same number of separation contacts (112) as the number of male pins (114) are fixedly mounted on the separation contact insulating plate (109), and each separation contact (112) is in conductive contact with a corresponding male pin (114).

5. The multi-core connector with a highly durable anti-vibration and anti-dropout mechanism according to claim 4, characterized in that: The male needle insulating fixing plate (113) is fixedly mounted on the female head (103). Four parallel sliding posts (110) are fixedly mounted on the four corners of the male needle insulating fixing plate (113) facing the cavity frame (102). The four sliding posts (110) are slidably matched with the separation contact insulating plate (109). A tension spring (111) is sleeved on the circumferential surface of each sliding post (110). Both ends of the tension spring (111) are fixedly matched with the male needle insulating fixing plate (113) and the separation contact insulating plate (109) for pulling the separation contact (112) to squeeze the male needle (114).

6. The multi-core connector with a highly durable anti-vibration and anti-dropout mechanism according to claim 5, characterized in that: A separation button (104) is also slidably inserted into the cavity frame (102), and the separation button (104) is slidably matched with the male needle insulating fixing plate (113). A threaded hole is provided at one end of the separation button (104) located outside the cavity frame (102) to facilitate screwing in a screw. The end of the separation button (104) located inside the cavity frame (102) is movably connected to the middle of the side of the separation contact insulating plate (109) through a separation push link (115). The movable connection between the separation push link (115) and the separation button (104) is rotatably equipped with a roller (117). The roller (117) is rotatably connected to the side of the male needle insulating fixing plate (113). Rolling fit, wherein the separation button (104) is located between the male needle insulating fixing plate (113) and the separation contact insulating plate (109), and the male needle insulating fixing plate (113) is located below the roller (117) and is provided with a limit block (116) that contacts and cooperates with the roller (117), and the limit block (116) is located at a lower position of the movable connection between the separation push link (115) and the separation contact insulating plate (109), so that when the roller (117) is in contact with the limit block (116), the separation push link (115) can be tilted and stuck between the male needle insulating fixing plate (113) and the separation contact insulating plate (109).

7. The multi-core connector with a highly durable anti-vibration and anti-dropout mechanism according to claim 6, characterized in that: A cable busbar (101) is fixedly mounted on the cavity frame (102). The cable busbar (101) is used to fix and organize the cables so that the cables on one side of the cable busbar (101) are electrically fixedly connected to the separation contacts (112). The cables are fixed by the cable busbar (101) to prevent the cables from separating from the separation contacts (112).

8. The multi-core connector with a highly durable anti-vibration and anti-fall-off mechanism according to claim 7, characterized in that: A disassembly block (130) is fixedly embedded on the female head (103) in a manner that is easy to disassemble. A beveled non-return card slot (131) is opened on the male head (105) at a position corresponding to the disassembly block (130). Two parallel card support slides (133) are slidably inserted into the disassembly block (130). A card (132) is fixed on the two card support slides (133). The card (132) is engaged with the beveled non-return card slot (131). A card extrusion spring (134) is arranged around each card support slide (133). The two ends of the card extrusion spring (134) are fixedly engaged with the card (132) and the disassembly block (130) to push the card (132) into the beveled non-return card slot (131).

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