Shore power connector connecting device

Abstract

A shore power connector connecting device comprises a supporting assembly and a base. The supporting assembly comprises a left supporting plate, a right supporting plate and a middle connecting plate, the left supporting plate is provided with a left limiting hole, the right supporting plate is provided with a right limiting hole, the left supporting plate and the right supporting plate are connected with the base, and the base is provided with a base fixing hole and an inserting hole. Then the left limiting boss of the connector is located in the left limiting hole, and the right limiting boss of the connector is located in the right limiting hole, so that the connector can be fixed conveniently; and the base is fixed, and the base is fixed with the left supporting plate and the right supporting plate, so that the left limiting hole and the right limiting hole cannot shake, and the fixation is stable. Therefore, according to the design, the connector can be fixed conveniently, and the connector can be fixed stably.

Description

Technical Field

[0001] The present invention relates to a connector connection device, belonging to the technical field of shore power auxiliary devices, and particularly to a shore power connector connection device. Background Art

[0002] When a ship is docked at a pier, it needs to access the shore power system, that is, first take out the connector on the ship and then connect it to the shore power box socket at the port of the pier for power supply.

[0003] Chinese Patent with application number 201821675632.8 and application date October 16, 2018 discloses a waterproof connector for shore power charging cable, including a first cable and a second cable. A plug is fixedly connected to the first cable, a connector is fixedly connected to the second cable, the plug and the connector are connected, a first sealing gasket is fixedly connected to the plug, a part of the first sealing gasket is inserted into a groove, an external thread sleeve is fixedly connected to the connector, a limiting device is provided on the first cable, the first cable is connected to an internal thread sleeve through the limiting device, and the internal thread sleeve and the external thread sleeve are threadedly connected. Although this design fixes the plug and the connector by means of threaded connection, it still has the following defects: This design is fixed by means of threaded connection, but the cable at the tail of the connector is relatively thick and heavy, and it is difficult to rotate and fix the connector, so it is difficult to fix the connector in this design.

[0004] Disclosing the information of this background art section is only intended to increase the understanding of the overall background of the present application, and should not be regarded as an admission or any form of implication that this information constitutes the prior art already known to those of ordinary skill in the art. Summary of the Invention

[0005] The purpose of the present invention is to overcome the defects and problems of being difficult to fix the connector in the prior art, and provide a shore power connector connection device that is more convenient to fix the connector.

[0006] To achieve the above purpose, the technical solution of the present invention is: A shore power connector connection device, the device includes a support assembly and a base; The support assembly includes a left support plate, a right support plate and a middle connection plate. A left limit hole is provided at the top of the left support plate, a left support hole is provided at the bottom of the left support plate, one end of a left connection shaft is inserted into the left support hole, the bottom of the left support plate is perpendicularly connected to one end of the middle connection plate, the other end of the middle connection plate is perpendicularly connected to the bottom of the right support plate, a right support hole is provided at the bottom of the right support plate, one end of a right connection shaft is inserted into the right support hole, and a right limit hole is provided at the top of the right support plate; The other end of the right connecting shaft is inserted into the right wall hole of the base. The right wall hole is located on the right seat wall of the base. The base includes a seat bottom wall, a left seat wall and an insertion hole. One end of the seat bottom wall is vertically connected to the bottom of the right seat wall. A plurality of seat fixing holes are evenly distributed in the middle of the seat bottom wall. The other end of the seat bottom wall is vertically connected to the bottom of the left seat wall. A left wall hole is provided on the left seat wall, and the other end of the left connecting shaft is inserted into the left wall hole; an insertion hole is provided at one end of the base away from the support assembly.

[0007] The support assembly includes a locking pull rod. The locking pull rod includes a left cylinder, a square rod and a right cylinder connected in sequence. The end of the left cylinder away from the square rod is sequentially inserted into the left middle hole of the left support plate and the left inner hole of the left seat wall. The bottom of the square rod is connected to the top of the middle connecting plate. The end of the right cylinder away from the square rod is sequentially inserted into the right middle hole of the right support plate and the right inner groove of the right seat wall.

[0008] The movement stroke of the locking pull rod is reciprocating movement along its axis direction; the middle part of the right cylinder is a locking cylinder, and the width of the locking cylinder is smaller than the width of the right cylinder; the width of the top of the right inner groove is larger than the width of the locking cylinder and smaller than the width of the right cylinder.

[0009] A left limiting plate and a right limiting plate are provided at one end of the base close to the insertion hole. The insertion hole is between the left limiting plate and the right limiting plate. The left limiting plate includes a left inclined surface, and the right limiting plate includes a right inclined surface. The right inclined surface is arranged opposite to the left inclined surface.

[0010] The bottom of the base is connected to the top of the guide seat; a left guide rod is provided on the left side of the guide seat, and one end of the left guide rod is inserted into the left limiting plate; a right guide rod is provided on the right side of the guide seat, and one end of the right guide rod is inserted into the right limiting plate.

[0011] A lower rack is provided at one end of the left limiting plate below the base. The top of the lower rack is meshed and connected with one end of the gear; one end of the installation shaft is inserted into the middle of the gear, and the other end of the installation shaft is inserted into the seat middle hole of the guide seat; the top of the gear is meshed and connected with the bottom of the upper rack, and the upper rack is on one end of the right limiting plate below the base.

[0012] A left-handed hole is provided at the top of the left limiting plate. One end of the left fixing shaft is inserted into the left-handed hole. The other end of the left fixing shaft extends away from the support assembly. A left fixing ring is sleeved on the middle part of the left fixing shaft. One end of a locking buckle is connected to the outer surface of the left fixing ring. The other end of the locking buckle is inserted into the locking groove of the locking plate. One end of the locking plate is fixedly connected to the top of the right limiting plate.

[0013] One end of the locking buckle located outside the locking groove is a threaded end, and the middle part of the locking handwheel is sleeved on the threaded end. The movement stroke of the locking handwheel is to move along the axis of the threaded end.

[0014] A left slider is arranged in the middle of the left limiting plate. One end of the left slider is connected to one end of the left sliding rail, and the left sliding rail is fixed to one end of the base. A right slider is arranged in the middle of the right limiting plate. One end of the right slider is connected to one end of the right sliding rail, and the right sliding rail is fixed to one end of the base.

[0015] A left handle is arranged at one end of the left limiting plate away from the insertion hole, and a right handle is arranged at one end of the right limiting plate away from the insertion hole.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. In a shore power connector connection device of the present invention, the device includes a support assembly and a base. The support assembly includes a left support plate, a middle connecting plate, and a right support plate. A left limiting hole is arranged at the top of the left support plate, and a right limiting hole is arranged at the top of the right support plate. The left support plate is connected to the base, and the right support plate is connected to the base. The other end of the base is an insertion hole, and a seat fixing hole is arranged in the middle of the base. During application, first insert the connector into the insertion hole, then snap the left limiting boss on the connector into the left limiting hole, and then snap the right limiting boss of the connector into the right limiting hole to complete the limiting of the connector. Then fix the seat fixing hole to an external power source, and the external power source drives the device to move so that the connector is inserted into the shore power socket. The advantages of the present invention also include: The first point: Placing the left limiting boss into the left limiting hole can complete the limiting of the left limiting boss, and placing the right limiting boss into the right limiting hole can complete the limiting of the right limiting boss, thereby limiting the whole connector. Therefore, the limiting is convenient. The second point: The base is fixed, and the left support plate and the right support plate are fixed to the base. Therefore, the left support plate and the right support plate will not move or shake, and the left limiting hole and the right limiting hole fix the connector stably. Therefore, the present invention is convenient for fixing the connector and fixes the connector stably.

[0017] 2. In the shore power connector connection device of the present invention, the support assembly includes a locking pull rod. The locking pull rod includes a left cylinder, a square rod, and a right cylinder. The left cylinder is inserted into the left support plate and the left seat wall. The right cylinder is inserted into the right inner groove of the right support plate and the right seat wall. The middle part of the right cylinder is a locking cylinder with a smaller width. During application, first, horizontally pull the locking pull rod so that the locking cylinder is located in the right inner groove. At this time, the left cylinder disengages from the left support plate and the left seat wall. Then, pull the right cylinder along the opening direction of the right inner groove, and the locking pull rod can be disconnected from the left support plate and the right support plate. At this time, the left support plate and the right support plate can rotate freely, so as to facilitate the storage of the left support plate and the right support plate and prevent the left support plate, the right support plate from interfering with the shore power box socket cover. Therefore, the support assembly matches well with the application environment. Thus, the present invention matches well with the application environment.

[0018] 3. In the shore power connector connection device of the present invention, on both sides of the insertion hole are a left limit plate and a right limit plate. The left limit plate includes a left inclined surface, and the right limit plate includes a right inclined surface. A guide seat is fixed at the bottom of the base. The middle part of the guide seat is a gear, which is meshed and connected with an upper rack and a lower rack. The upper rack is at the bottom of the right limit plate, and the lower rack is located at the bottom of the left limit plate. During application, the left inclined surface and the right inclined surface clamp the connector from both sides of the connector. Push the left limit plate, then the lower rack drives the gear to rotate, and then the gear drives the upper rack to move, and then the upper rack drives the right limit plate to move. Therefore, the distance between the left limit plate and the right limit plate can be adjusted, and thus the distance between the left inclined surface and the right inclined surface can be adjusted. Therefore, connectors with different diameters can be fixed to improve the fixing effect. Thus, the fixing effect of the present invention is good.

[0019] 4. In the shore power connector connection device of the present invention, the top of the left limit plate is movably connected to one end of a locking buckle. The other end of the locking buckle passes through a locking plate and is sleeved with a locking handwheel, and the locking handwheel is connected to the right limit plate. During application, first, adjust the position of the locking handwheel so that the locking handwheel is far away from the locking plate, then lift the locking handwheel, then adjust the distance between the left limit plate and the right limit plate, then connect the locking buckle with the locking plate, and then adjust the position of the locking handwheel so that the locking handwheel is connected to the locking plate, thereby fixing the locking plate, and then fixing the right limit plate. Therefore, the distance between the right limit plate and the left limit plate can be fixed, so that the clamping effect of the right inclined surface and the left inclined surface on the connector is better. Thus, the clamping effect of the present invention is good.

[0020] 5. In the shore power connector connection device of the present invention, a left slider is provided in the middle of the left limit plate. The left slider is connected to the left slide rail, and the left slide rail is fixed to the base. A right slider is provided in the middle of the right limit plate. The right slider is connected to the right slide rail, and the right slide rail is fixed to the base. During application, when moving the left limit plate, the left slide rail guides the left slider to make the movement of the left limit plate stable. When moving the right limit plate, the right slide rail guides the right slider to make the movement of the right limit plate stable. Therefore, the use process of the present invention is stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural diagram of the present invention.

[0022] Figure 2 is Figure 1 a schematic structural diagram of the base in

[0023] Figure 3 is a schematic application diagram of the present invention.

[0024] Figure 4 is Figure 3 a schematic structural diagram of the connector in

[0025] Figure 5 is Figure 1 a schematic structural diagram of the support assembly in

[0026] Figure 6 is Figure 1 a schematic structural diagram of the locking pull rod in

[0027] Figure 7 is Figure 1 a schematic structural diagram of the left support plate in

[0028] Figure 8 is Figure 1 a schematic structural diagram of the right support plate in

[0029] Figure 9 is Figure 2 a schematic structural diagram of the bottom wall of the seat in

[0030] Figure 10 is Figure 1 a schematic structural diagram of the left limit plate in

[0031] Figure 11 is Figure 10 the front view of

[0032] Figure 12 is Figure 10 a schematic structural diagram of the guide seat in

[0033] Figure 13 is Figure 10 a schematic structural diagram of the right limit plate in

[0034] Figure 14 is Figure 10 Schematic diagram of the structure of the left inclined plane in the middle.

[0035] Figure 15 is Figure 10 Schematic diagram of the structure of the locking handwheel in the middle.

[0036] Figure 16 is Figure 10 Schematic diagram of the structure of the left slider in the middle.

[0037] Figure 17 is Figure 11 Schematic diagram of the structure of the left slide rail in the middle.

[0038] Figure 18 is Figure 10 Schematic diagram of the structure of the right slider in the middle.

[0039] In the figure: support assembly 1, left support plate 11, left limit hole 111, left support hole 112, left connecting shaft 113, left middle hole 114, right support plate 12, right limit hole 121, right support hole 122, right connecting shaft 123, right middle hole 124, middle connecting plate 13, locking pull rod 14, left cylinder 141, square rod 142, right cylinder 143, locking cylinder 144, base 2, right seat wall 21, right wall hole 211, right inner groove 212, seat bottom wall 22, seat fixing hole 221, left seat wall 23, left wall hole 231, left inner hole 232, insertion hole 24, connector 3, left limit boss 31, right limit boss 32, tail limit arc surface 33, tail cable 34, left limit plate 5, left inclined plane 51, lower rack 52, left-handed hole 53, left fixing shaft 531, left fixing ring 532, left handle 54, right limit plate 6, right inclined plane 61, upper rack 62, right handle 64, guide seat 7, left guide rod 71, right guide rod 72, gear 73, mounting shaft 74, seat middle hole 75, locking buckle 8, locking plate 81, locking groove 82, threaded end 83, locking handwheel 84, left slider 9, left slide rail 91, right slider 92, right slide rail 93. Detailed implementation mode

[0040] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation modes.

[0041] Please refer to Figure 1 — Figure 18 , a shore power connector connection device, the device comprising a support assembly 1 and a base 2; The support assembly 1 includes a left support plate 11, a right support plate 12 and a middle connecting plate 13. A left limit hole 111 is provided at the top of the left support plate 11, and a left support hole 112 is provided at the bottom of the left support plate 11. One end of a left connecting shaft 113 is inserted into the left support hole 112. The bottom of the left support plate 11 is perpendicularly connected to one end of the middle connecting plate 13, and the other end of the middle connecting plate 13 is perpendicularly connected to the bottom of the right support plate 12. A right support hole 122 is provided at the bottom of the right support plate 12, and one end of a right connecting shaft 123 is inserted into the right support hole 122. A right limit hole 121 is provided at the top of the right support plate 12; The other end of the right connecting shaft 123 is inserted into a right wall hole 211 of the base 2. The right wall hole 211 is located on the right seat wall 21 of the base 2. The base 2 includes a seat bottom wall 22, a left seat wall 23 and an insertion hole 24. One end of the seat bottom wall 22 is perpendicularly connected to the bottom of the right seat wall 21. A plurality of seat fixing holes 221 are evenly distributed in the middle of the seat bottom wall 22. The other end of the seat bottom wall 22 is perpendicularly connected to the bottom of the left seat wall 23. A left wall hole 231 is provided on the left seat wall 23, and the other end of the left connecting shaft 113 is inserted into the left wall hole 231; An insertion hole 24 is provided at one end of the base 2 away from the support assembly 1.

[0042] The support assembly 1 includes a locking pull rod 14. The locking pull rod 14 includes a left cylinder 141, a square rod 142 and a right cylinder 143 which are connected in sequence; One end of the left cylinder 141 away from the square rod 142 is sequentially inserted into a left middle hole 114 of the left support plate 11 and a left inner hole 232 of the left seat wall 23. The bottom of the square rod 142 is connected to the top of the middle connecting plate 13. One end of the right cylinder 143 away from the square rod 142 is sequentially inserted into a right middle hole 124 of the right support plate 12 and a right inner groove 212 of the right seat wall 21.

[0043] The movement stroke of the locking pull rod 14 is reciprocating movement along its axis direction; The middle part of the right cylinder 143 is a locking cylinder 144, and the width of the locking cylinder 144 is smaller than the width of the right cylinder 143; The width of the top of the right inner groove 212 is larger than the width of the locking cylinder 144 and smaller than the width of the right cylinder 143.

[0044] A left limit plate 5 and a right limit plate 6 are provided at one end of the base 2 close to the insertion hole 24. The insertion hole 24 is between the left limit plate 5 and the right limit plate 6. The left limit plate 5 includes a left inclined surface 51, and the right limit plate 6 includes a right inclined surface 61. The right inclined surface 61 is arranged opposite to the left inclined surface 51.

[0045] The bottom of the base 2 is connected to the top of the guide base 7; a left guide rod 71 is provided on the left side of the guide base 7, and one end of the left guide rod 71 is inserted into the left limit plate 5; a right guide rod 72 is provided on the right side of the guide base 7, and one end of the right guide rod 72 is inserted into the right limit plate 6.

[0046] On one end of the left limit plate 5 located below the base 2, a lower rack 52 is provided, and the top of the lower rack 52 is meshed and connected to one end of a gear 73; one end of a mounting shaft 74 is inserted into the middle of the gear 73, and the other end of the mounting shaft 74 is inserted into the seat hole 75 of the guide base 7; the top of the gear 73 is meshed and connected to the bottom of an upper rack 62, and the upper rack 62 is on one end of the right limit plate 6 located below the base 2.

[0047] On the top of the left limit plate 5, a left-handed hole 53 is provided, and one end of a left fixing shaft 531 is inserted into the left-handed hole 53. The other end of the left fixing shaft 531 extends away from the support assembly 1. A left fixing ring 532 is sleeved on the middle of the left fixing shaft 531. One end of a locking buckle 8 is connected to the outer surface of the left fixing ring 532, and the other end of the locking buckle 8 is inserted into a locking groove 82 of a locking plate 81. One end of the locking plate 81 is fixedly connected to the top of the right limit plate 6.

[0048] One end of the locking buckle 8 located outside the locking groove 82 is a threaded end 83, and the middle of a locking handwheel 84 is sleeved on the threaded end 83. The moving stroke of the locking handwheel 84 is to move along the axis of the threaded end 83.

[0049] On the middle of the left limit plate 5, a left slider 9 is provided. One end of the left slider 9 is connected to one end of a left slide rail 91, and the left slide rail 91 is fixed to one end of the base 2; On the middle of the right limit plate 6, a right slider 92 is provided. One end of the right slider 92 is connected to one end of a right slide rail 93, and the right slide rail 93 is fixed to one end of the base 2.

[0050] On one end of the left limit plate 5 away from the insertion hole 24, a left handle 54 is provided, and on one end of the right limit plate 6 away from the insertion hole 24, a right handle 64 is provided.

[0051] The supplementary description of the present invention is as follows: The connector 3 in the present invention refers to: Please refer to Figure 3 — Figure 4 , the front end of the connector 3 includes a left limit boss 31 and a right limit boss 32 which are oppositely arranged. The tail end of the connector 3 includes a tail limit arc surface 33, and the rear end of the tail limit arc surface 33 is a tail cable 34.

[0052] Example 1: Please refer to Figure 1 — Figure 18 A shore power connector connecting device, the device comprising a support assembly 1 and a base 2; the support assembly 1 includes a left support plate 11, a right support plate 12 and a middle connecting plate 13, the top of the left support plate 11 is provided with a left limit hole 111, the bottom of the left support plate 11 is provided with a left support hole 112, one end of a left connecting shaft 113 is inserted into the left support hole 112, the bottom of the left support plate 11 is perpendicularly connected to one end of the middle connecting plate 13, the other end of the middle connecting plate 13 is perpendicularly connected to the bottom of the right support plate 12, the bottom of the right support plate 12 is provided with a right support hole 122, one end of a right connecting shaft 123 is inserted into the right support hole 122, the top of the right support plate 12 is provided with a right limit hole 121; the other end of the right connecting shaft 123 is inserted into a right wall hole 211 of the base 2, the right wall hole 211 is located on the right seat wall 21 of the base 2, the base 2 includes a seat bottom wall 22, a left seat wall 23 and an insertion hole 24, one end of the seat bottom wall 22 is perpendicularly connected to the bottom of the right seat wall 21, a plurality of seat fixing holes 221 are evenly distributed in the middle of the seat bottom wall 22, the other end of the seat bottom wall 22 is perpendicularly connected to the bottom of the left seat wall 23, a left wall hole 231 is provided on the left seat wall 23, the other end of the left connecting shaft 113 is inserted into the left wall hole 231; an insertion hole 24 is provided at one end of the base 2 away from the support assembly 1.

[0053] During application, first insert one end of the connector 3 into the insertion hole 24, then insert the left limit boss 31 into the left limit hole 111, and then insert the right limit boss 32 into the right limit hole 121. At this time, the right limit hole 121 fixes the right limit boss 32, and the left limit hole 111 fixes the left limit boss 31; then fix the seat fixing holes 221 to an external power source, and then drive the base 2 to move through the external power source, and then drive the connector 3 to move through the base 2 and the support assembly 1 until the connector 3 is inserted into the shore power socket; since the seat fixing holes 221 are fixed, the seat bottom wall 22 is fixed, so the left seat wall 23 and the right seat wall 21 on both sides of the seat bottom wall 22 are fixed, the left seat wall 23 is connected to the left support plate 11 through the left connecting shaft 113, the left limit hole 111 is located on the left support plate 11, so the left limit hole 111 is fixed, and the left limit hole 111 limits the left limit boss 31, the right seat wall 21 is fixed to the right support plate 12 through the right connecting shaft 123, the right limit hole 121 is located on the right support plate 12, so the right limit hole 121 is fixed, and the right limit hole 121 limits the right limit boss 32.

[0054] Embodiment 2: The basic content is the same as that of Embodiment 1, the difference is that: Please refer to Figure 1 — Figure 9, the support assembly 1 includes a locking pull rod 14, and the locking pull rod 14 includes a left cylinder 141, a square rod 142 and a right cylinder 143 connected in sequence; one end of the left cylinder 141 away from the square rod 142 is inserted into the left middle hole 114 of the left support plate 11 and the left inner hole 232 of the left seat wall 23 in sequence, the bottom of the square rod 142 is connected to the top of the middle connecting plate 13, and one end of the right cylinder 143 away from the square rod 142 is inserted into the right middle hole 124 of the right support plate 12 and the right inner groove 212 of the right seat wall 21 in sequence. The movement stroke of the locking pull rod 14 is reciprocating movement along its axis direction; the middle part of the right cylinder 143 is a locking cylinder 144, and the width of the locking cylinder 144 is smaller than the width of the right cylinder 143; the width of the top of the right inner groove 212 is larger than the width of the locking cylinder 144 and smaller than the width of the right cylinder 143.

[0055] During application, when the limit connector 3 is not needed, that is, when the left support plate 11 and the right support plate 12 are stored, first horizontally pull the right cylinder 143 until the locking cylinder 144 is located in the right inner groove 212. At this time, the left cylinder 141 disengages from the left middle hole 114 and the left inner hole 232. Then, move the locking cylinder 144 along the opening direction of the right inner groove 212, so that the square rod 142 moves away from the middle connecting plate 13. Then, rotate the left support plate 11 with the left connecting shaft 113 as the rotation center, and rotate the right support plate 12 with the right connecting shaft 123 as the rotation center to avoid interference with the electric box socket cover; when the limit connector 3 is needed, first let the locking cylinder 144 fall along the right inner groove 212, and then horizontally push the right cylinder 143 so that the left cylinder 141 is located in the left middle hole 114 and the left inner hole 232, and the right cylinder 143 is located in the right inner groove 212. At this time, the inner wall of the right inner groove 212 clamps the right cylinder 143 to fix the right cylinder 143, thereby fixing the locking pull rod 14. Since the bottom of the square rod 142 is connected to the top of the middle connecting plate 13, the square rod 142 fixes the middle connecting plate 13, thereby fixing the left support plate 11 and the right support plate 12.

[0056] Embodiment 3: The basic content is the same as that of Embodiment 1, the difference is: Please refer to Figure 1 — Figure 14, a left limit plate 5 and a right limit plate 6 are arranged at one end of the base 2 close to the insertion hole 24. The insertion hole 24 is located between the left limit plate 5 and the right limit plate 6. The left limit plate 5 includes a left inclined surface 51, and the right limit plate 6 includes a right inclined surface 61. The right inclined surface 61 is arranged opposite to the left inclined surface 51. The bottom of the base 2 is connected to the top of the guide seat 7; a left guide rod 71 is arranged on the left side of the guide seat 7, and one end of the left guide rod 71 is inserted into the left limit plate 5; a right guide rod 72 is arranged on the right side of the guide seat 7, and one end of the right guide rod 72 is inserted into the right limit plate 6. A lower rack 52 is arranged at one end of the left limit plate 5 below the base 2, and the top of the lower rack 52 is meshed and connected to one end of a gear 73; one end of a mounting shaft 74 is inserted into the middle of the gear 73, and the other end of the mounting shaft 74 is inserted into a seat hole 75 of the guide seat 7; the top of the gear 73 is meshed and connected to the bottom of an upper rack 62, and the upper rack 62 is arranged at one end of the right limit plate 6 below the base 2.

[0057] During application, when it is necessary to adjust the size of the insertion hole 24, first move the left limit plate 5, then drive the lower rack 52 to move by the left limit plate 5, then drive the gear 73 to rotate by the lower rack 52, and then drive the right limit plate 6 to move in the opposite direction of the left limit plate 5 by the gear 73, so as to adjust the distance between the left limit plate 5 and the right limit plate 6, thereby adjusting the distance between the left inclined surface 51 and the right inclined surface 61. The left inclined surface 51 and the right inclined surface 61 clamp the tail limit arc surface 33 from both sides of the tail limit arc surface 33, that is, the size of the insertion hole 24 is adjusted; the right limit plate 6 can also be moved to achieve the same adjustment effect as described above; the left guide rod 71 connects the guide seat 7 and the left limit plate 5, that is, it forms a certain guiding and fixing effect on the left limit plate 5, and the right guide rod 72 connects the guide seat 7 and the right limit plate 6, that is, it forms a certain guiding and fixing effect on the right limit plate 6; the mounting shaft 74 fixes the position of the gear 73 to achieve the effect that the size of the insertion hole 24 can be adjusted by pulling the left limit plate 5 or the right limit plate 6.

[0058] Embodiment 4: The basic content is the same as that of Embodiment 1, and the difference is that: Please refer to Figure 1 — Figure 15, a left rotation hole 53 is provided at the top of the left limiting plate 5, one end of a left fixing shaft 531 is inserted into the left rotation hole 53, the other end of the left fixing shaft 531 extends away from the support assembly 1, a left fixing ring 532 is sleeved on the middle part of the left fixing shaft 531, one end of a locking buckle 8 is connected to the outer surface of the left fixing ring 532, the other end of the locking buckle 8 is inserted into a locking groove 82 of a locking plate 81, and one end of the locking plate 81 is fixedly connected to the top of the right limiting plate 6. One end of the locking buckle 8 outside the locking groove 82 is a threaded end 83, and the middle part of a locking handwheel 84 is sleeved on the threaded end 83. The movement stroke of the locking handwheel 84 is to move along the axis of the threaded end 83.

[0059] During application, before adjusting the size of the insertion hole 24, first rotate the locking handwheel 84 to move the locking handwheel 84 away from the threaded end 83, and then move the locking handwheel 84 upward until one end of the locking buckle 8 leaves the locking groove 82, so that the limitation on the right limiting plate 6 and the left limiting plate 5 can be released. Then adjust the size of the insertion hole 24, and then move the locking handwheel 84 downward until one end of the locking buckle 8 is located in the locking groove 8, and then rotate the locking handwheel 84 to move the locking handwheel 84 toward the threaded end 83 until the locking handwheel 84 abuts against the locking plate 81. At this time, the locking handwheel 84 fixes the locking plate 81, and then the locking plate 81 fixes the right limiting plate 6. Therefore, the effect of fixing the distance between the right limiting plate 6 and the left limiting plate 5 is achieved, that is, the size of the insertion hole 24 is fixed.

[0060] Embodiment 5: The basic content is the same as that of Embodiment 1, and the differences are as follows: Please refer to Figure 1 — Figure 18 , a left slider 9 is provided on the middle part of the left limiting plate 5, one end of the left slider 9 is connected to one end of a left sliding rail 91, and the left sliding rail 91 is fixed to one end of the base 2; a right slider 92 is provided on the middle part of the right limiting plate 6, one end of the right slider 92 is connected to one end of a right sliding rail 93, and the right sliding rail 93 is fixed to one end of the base 2. A left handle 54 is provided at one end of the left limiting plate 5 away from the insertion hole 24, and a right handle 64 is provided at one end of the right limiting plate 6 away from the insertion hole 24.

[0061] During application, when the left limit plate 5 moves, the left limit plate 5 drives the left slider 9 to move. When the left slider 9 moves, it moves along the left slide rail 91. When the right limit plate 6 moves, the right limit plate 6 drives the right slider 92 to move. When the right slider 92 moves, it moves along the right slide rail 93. The right slide rail 93 and the left slide rail 91 respectively provide guidance for the right slider 92 and the left slider 9, so as to make the movement of the left limit plate 5 and the right limit plate 6 stable. When moving the left limit plate 5, the left handle 54 can be pulled to move the left limit plate 5. When moving the right limit plate, the right handle 64 can be pulled to move the right limit plate.

[0062] The above is only the preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiment. Any equivalent modification or change made by those of ordinary skill in the art according to the disclosure of the present invention shall be included in the protection scope recorded in the claims.

Claims

1. A shore power connector connection device, characterized in that: The device comprises a support assembly (1) and a base (2); The support assembly (1) comprises a left support plate (11), a right support plate (12) and a middle connecting plate (13); the top of the left support plate (11) is provided with a left limiting hole (111); the bottom of the left support plate (11) is provided with a left branch hole (112); one end of a left connecting shaft (113) is inserted into the left branch hole (112); the bottom of the left support plate (11) is vertically connected to one end of the middle connecting plate (13); the other end of the middle connecting plate (13) is vertically connected to the bottom of the right support plate (12); the bottom of the right support plate (12) is provided with a right branch hole (122); one end of a right connecting shaft (123) is inserted into the right branch hole (122); and the top of the right support plate (12) is provided with a right limiting hole (121); The other end of the right connecting shaft (123) is inserted into the right wall hole (211) of the base (2); the right wall hole (211) is located on the right seat wall (21) of the base (2); the base (2) comprises a seat bottom wall (22), a left seat wall (23) and an insertion hole (24); one end of the seat bottom wall (22) is vertically connected to the bottom of the right seat wall (21); a plurality of seat fixing holes (221) are evenly distributed in the middle of the seat bottom wall (22); the other end of the seat bottom wall (22) is vertically connected to the bottom of the left seat wall (23); a left wall hole (231) is provided on the left seat wall (23); the other end of the left connecting shaft (113) is inserted into the left wall hole (231); an insertion hole (24) is provided at one end of the base (2) away from the support assembly (1).

2. A shore power connector connection device according to claim 1, characterized in that: The support assembly (1) comprises a locking pull rod (14), wherein the locking pull rod (14) comprises a left cylinder (141), a square rod (142) and a right cylinder (143) which are connected in sequence; The end of the left cylinder (141) away from the square rod (142) is sequentially inserted into the left middle hole (114) of the left support plate (11) and the left inner hole (232) of the left seat wall (23); the bottom of the square rod (142) is connected to the top of the middle connecting plate (13); and the end of the right cylinder (143) away from the square rod (142) is sequentially inserted into the right middle hole (124) of the right support plate (12) and the right inner groove (212) of the right seat wall (21).

3. A shore power connector connection device according to claim 2, characterized in that: The movement stroke of the locking rod (14) is reciprocating movement along its axial direction; the middle part of the right cylinder (143) is the locking cylinder (144), and the width of the locking cylinder (144) is smaller than the width of the right cylinder (143); the width of the top of the right inner groove (212) is larger than the width of the locking cylinder (144) and smaller than the width of the right cylinder (143).

4. A shore power connector connection device according to claim 1, characterized in that: A left limit plate (5) and a right limit plate (6) are provided at one end of the base (2) close to the insertion hole (24); the insertion hole (24) is between the left limit plate (5) and the right limit plate (6); the left limit plate (5) includes a left inclined surface (51); the right limit plate (6) includes a right inclined surface (61); and the right inclined surface (61) is arranged opposite to the left inclined surface (51).

5. A shore power connector connection device according to claim 4, characterized in that: The bottom of the base (2) is connected to the top of the guide seat (7); a left guide rod (71) is provided on the left side of the guide seat (7), one end of which is inserted into the left limit plate (5); a right guide rod (72) is provided on the right side of the guide seat (7), one end of which is inserted into the right limit plate (6).

6. A shore power connector connection device according to claim 5, characterized in that: A lower rack (52) is provided on one end of the left limit plate (5) located below the base (2), and the top of the lower rack (52) is meshedly connected with one end of a gear (73); one end of a mounting shaft (74) is inserted into the middle of the gear (73), and the other end of the mounting shaft (74) is inserted into the seat hole (75) of the guide seat (7); the top of the gear (73) is meshedly connected with the bottom of an upper rack (62), and the upper rack (62) is on one end of the right limit plate (6) located below the base (2).

7. A shore power connector connection device according to claim 4, characterized in that: A left-handed hole (53) is provided at the top of the left limiting plate (5), one end of a left fixed shaft (531) is inserted into the left-handed hole (53), the other end of the left fixed shaft (531) extends in a direction away from the support assembly (1), a left fixed ring (532) is sleeved on the middle part of the left fixed shaft (531), one end of a locking buckle (8) is connected to the outer surface of the left fixed ring (532), the other end of the locking buckle (8) is inserted into the locking groove (82) of the locking plate (81), and one end of the locking plate (81) is fixedly connected to the top of the right limiting plate (6).

8. A shore power connector connection device according to claim 7, characterized in that: One end of the locking buckle (8) located outside the locking groove (82) is a threaded end (83), and the middle part of a locking hand wheel (84) is sleeved on the threaded end (83). The movement stroke of the locking hand wheel (84) is along the axis of the threaded end (83).

9. A shore power connector connection device according to claim 4, characterized in that: A left sliding block (9) is provided on the middle part of the left limiting plate (5), one end of the left sliding block (9) is connected to one end of a left sliding rail (91), and the left sliding rail (91) is fixed on one end of the base (2); A right sliding block (92) is provided in the middle of the right limiting plate (6), one end of the right sliding block (92) is connected to one end of a right sliding rail (93), and the right sliding rail (93) is fixed to one end of the base (2).

10. A shore power connector connection device according to claim 9, characterized in that: A left handle (54) is provided at one end of the left limit plate (5) away from the insertion hole (24), and a right handle (64) is provided at one end of the right limit plate (6) away from the insertion hole (24).

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