A power cable connection mechanism for easy connection

Abstract

The utility model relates to connecting mechanism technical field, concretely is a kind of power cable connecting mechanism convenient to connect, including connecting cylinder, the inner side wall middle part of connecting cylinder is fixedly connected with conducting column. The utility model is stripped off insulating layer's cable of two end portions respectively passes through connecting ring and inserts connecting cylinder when working, and the electric core of cable contacts conducting column, and clockwise rotation screw rod drives insulating block to press down, and elastic conducting sheet is pressed and moves down and presses the electric core of cable, and completes electrical connection, and the screw thread circle of two connecting rings makes screw thread groove, and connecting sleeve and extrusion ring go in the inside of connecting cylinder, and the tapered surface inner wall of extrusion ring exerts pressure to rubber extrusion ring, so that rubber extrusion ring carries out circumferential extrusion fixation to cable, and the quick connection locking of power cable is completed, and rubber sealing ring and the insulating outer layer of cable interference contact simultaneously, prevent outside water vapor, dust from invading connecting part to cause damage, improve durability.

Description

TECHNICAL FIELD

[0001] The utility model relates to connecting mechanism technical field, concretely is a kind of electric power cable connecting mechanism of being convenient for connection. BACKGROUND

[0002] In power system, building electrical wiring and the power supply line of various industrial equipment, the connection of electric power cable is indispensable and vital link.The reliability and safety of cable connection are directly related to the stable operation of entire power system;

[0003] At present, field connection electric power cable is often connected using ordinary connector with bolt type connecting terminal inside, utilizes the fastening force of bolt to compress the two cable conductors inserted into terminal respectively, and the steps are tedious, the sealing performance of such connector is insufficient, external water vapor and dust are easy to invade connection part, cause metal component oxidation and rust, reduce the service life of connector, therefore, a kind of electric power cable connecting mechanism of being convenient for connection is proposed. UTILITY MODEL CONTENTS

[0004] The utility model is to provide a kind of electric power cable connecting mechanism of being convenient for connection to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of electric power cable connecting mechanism of being convenient for connection, including connecting cylinder body, the inner side wall middle part of the connecting cylinder body is fixedly connected with electrically-conductive column, the outer side wall both sides lower part of the electrically-conductive column is fixedly provided with fixed electrically-conductive plate, the outer side wall both sides upper part of the electrically-conductive column is fixedly provided with elastic electrically-conductive sheet, the inner side wall of the connecting cylinder body is fixedly connected with two fixed rings symmetrically, the repulsion side of two the fixed ring is fixedly connected with rubber connecting ring, the end of rubber connecting ring away from the fixed ring is fixedly connected with rubber extrusion ring, the outer side wall both sides of the connecting cylinder body is equipped with screw groove, the inner side wall of screw groove is threadedly connected with screw ring, the end of screw ring away from the connecting cylinder body is fixedly connected with connecting ring, the side of connecting ring close to the connecting cylinder body is fixedly connected with connecting sleeve, the screw ring is located at the periphery of connecting sleeve, the end of connecting sleeve away from the connecting ring is fixedly connected with extrusion ring, the inner side wall of extrusion ring is smooth taper curved surface, the upper surface of the connecting cylinder body is symmetrically slidably connected with two insulating blocks, the top of insulating block is fixedly connected with connecting plate, the upper surface of connecting plate is rotatably connected with threaded rod by bearing, the threaded rod is threadedly connected with fixed frame, the inner side wall of connecting ring is bonded with rubber sealing ring.

[0006] As further preferred of the technical scheme: the rubber connecting ring and the rubber extrusion ring adopt thermoplastic polyurethane.

[0007] As a further preferred of the technical solution: the rubber sealing ring adopts EPDM.

[0008] As a further preferred of the technical solution: the upper surface of the threaded rod is provided with an internal hexagonal hole.

[0009] As a further preferred of the technical solution: the upper surface of the threaded rod is provided with an internal hexagonal hole.

[0010] As a further preferred of the technical solution: the upper surface of the threaded rod is provided with an internal hexagonal hole.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The utility model discloses a cable connection lock, which comprises a connecting ring, a connecting sleeve, a threaded rod, an elastic conductive sheet, an insulating pressing block, a rubber sealing ring and a connecting sleeve body. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the front view structural schematic drawing of the utility model;

[0014] Figure 2 It is the sectional view structural schematic drawing of the utility model;

[0015] Figure 3 It is the A area structure enlarged view of the utility model; Figure 1

[0016] Figure 4 It is the B area structure enlarged view of the utility model; Figure 2

[0017] Figure 5 It is the sectional view structural schematic drawing of the connecting sleeve body of the utility model;

[0018] Figure 6 It is the C area structure enlarged view of the utility model; Figure 5

[0019] Figure 7 ​​​The cross-section structure schematic view of the thread ring in the utility model.

[0020] In the drawing,

[0021] 1, connecting cylinder; 2, conductive column; 3, fixed conductive plate; 4, elastic conductive sheet; 5, fixed ring; 6, rubber connecting ring; 7, rubber extrusion ring; 8, thread groove; 9, thread ring; 10, connecting ring; 11, connecting sleeve; 12, extrusion ring; 13, sliding groove; 14, insulating pressing block; 15, connecting plate; 16, fixed frame; 17, threaded rod; 18, internal hexagonal hole; 19, locking nut; 20, sealing sleeve; 21, rubber sealing ring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and the examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation on the present application. Obviously, the described embodiments are only some of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements or the interaction between two elements. 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.

[0024] Please refer to Figures 1-7The utility model provides a kind of technical scheme: a kind of power cable connecting mechanism convenient to connect, including connecting cylinder body 1, the inner side wall middle part of connecting cylinder body 1 is fixedly connected with electrically conductive column 2, the outer side wall both sides lower part of electrically conductive column 2 is fixedly equipped with fixed conductive plate 3, the outer side wall both sides upper part of electrically conductive column 2 is fixedly equipped with elastic conductive sheet 4, the inner side wall of connecting cylinder body 1 is fixedly connected with two fixed rings 5, the repulsion side of two fixed rings 5 is fixedly connected with rubber connecting ring 6, the end of rubber connecting ring 6 away from fixed ring 5 is fixedly connected with rubber extrusion ring 7, the outer side wall both sides of connecting cylinder body 1 are equipped with thread groove 8, the inner side wall of thread groove 8 is threadedly connected with thread ring 9, the end of thread ring 9 away from connecting cylinder body 1 is fixedly connected with connecting ring 10, the side of connecting ring 10 close to connecting cylinder body 1 is fixedly connected with connecting sleeve 11, thread ring 9 is located at the periphery of connecting sleeve 11, the end of connecting sleeve 11 away from connecting ring 10 is fixedly connected with extrusion ring 12, the inner side wall of extrusion ring 12 is smooth conical curved surface, the upper surface of connecting cylinder body 1 is symmetrically slidably connected with two insulating pressure blocks 14, the top of insulating pressure block 14 is fixedly connected with connecting plate 15, the upper surface of connecting cylinder body 1 is fixedly connected with fixed rack 16, the upper surface of connecting plate 15 is rotatably connected with threaded rod 17 by bearing, threaded rod 17 is threadedly connected with fixed rack 16, the inner side wall of connecting ring 10 is bonded with rubber sealing ring 21;Connecting cylinder body 1 is made of high-strength engineering plastic;Two cables with the insulating layer removed at both ends are respectively inserted into connecting cylinder body 1 by passing through connecting ring 10, the electric core of cable contacts electrically conductive column 2, clockwise rotating threaded rod 17 drives insulating pressure block 14 to press down, elastic conductive sheet 4 is pressed and moves down to press the electric core of cable, completes electrical connection, clockwise rotating two connecting rings 10 makes thread ring 9 deeply into thread groove 8, connecting sleeve 11 and extrusion ring 12 deeply into the inside of connecting cylinder body 1, the conical curved surface inner wall of extrusion ring 12 exerts pressure on rubber extrusion ring 7, so that rubber extrusion ring 7 carries out circumferential extrusion fixation to cable, completes the quick connection locking of power cable, while rubber sealing ring 21 is in interference contact with the insulating outer layer of cable, prevents external water vapor, dust from invading connecting part to cause damage, improves durability.

[0025] In the embodiment, specifically: the rubber connecting ring 6 and the rubber extrusion ring 7 adopt thermoplastic polyurethane; by means of the characteristics of high mechanical strength, wear resistance, high friction and good recovery force of thermoplastic polyurethane, the rubber connecting ring 6 and the rubber extrusion ring 7 have good resilience while ensuring the fixing effect on the cable.

[0026] In the embodiment, specifically: the rubber sealing ring 21 adopts ethylene propylene diene rubber; by means of the long-term excellent sealing force provided by the weather resistance and aging resistance of ethylene propylene diene rubber, the isolation effect on the outside is ensured.

[0027] In the embodiment, specifically: the upper surface of the threaded rod 17 is provided with an internal hexagonal hole 18; it is convenient to rotate the threaded rod 17 by cooperating with a wrench.

[0028] In this embodiment, the outer side wall of the threaded rod 17 is screwed with a locking nut 19; clockwise rotating the locking nut 19 makes it tightly press the fixing frame 16, and the threaded engagement between the locking nut 19 and the threaded rod 17 and the friction between the locking nut 19 and the fixing frame 16 can lock the threaded rod 17 and prevent it from rotating.

[0029] In this embodiment, the upper surface of the connecting cylinder 1 is symmetrically provided with two sliding grooves 13, the connecting cylinder 1 is slidably connected with the insulating pressing block 14 through the sliding grooves 13, the inner side wall of the sliding groove 13 is fixedly connected with a sealing sleeve 20, and the sealing sleeve 20 is in interference fit with the insulating pressing block 14; the sealing property of the connecting cylinder 1 is improved.

[0030] The working principle of the utility model is: two cables with the insulating layer stripped off at the end are respectively inserted into the connecting cylinder 1 through the connecting rings 10, the electric core of the cable contacts the conductive column 2, the threaded rod 17 is rotated clockwise to drive the insulating pressing block 14 to press down, the elastic conductive sheet 4 is pressed to move down and press the electric core of the cable, the electrical connection is completed, the two connecting rings 10 are rotated clockwise to make the threaded ring 9 deeply enter the threaded groove 8, the connecting sleeve 11 and the extruding ring 12 deeply enter the inside of the connecting cylinder 1, the tapered curved inner wall of the extruding ring 12 exerts pressure on the rubber extruding ring 7, the rubber extruding ring 7 extrudes and fixes the cable in the circumferential direction, the quick connection and locking of the power cable are completed, meanwhile, the rubber sealing ring 21 is in interference contact with the insulating outer layer of the cable, which prevents the water vapor and dust in the outside from invading the connecting part and causing damage, and improves the durability.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A power cable connection mechanism that facilitates connection, characterized in that: The device includes a connecting cylinder (1), a conductive post (2) fixedly connected to the middle of the inner wall of the connecting cylinder (1), a fixed conductive plate (3) fixedly provided on the lower part of both sides of the outer wall of the conductive post (2), an elastic conductive sheet (4) fixedly provided on the upper part of both sides of the outer wall of the conductive post (2), two fixed rings (5) symmetrically fixedly connected to the inner wall of the connecting cylinder (1), a rubber connecting ring (6) fixedly connected to the opposing side of the two fixed rings (5), a rubber extrusion ring (7) fixedly connected to the end of the rubber connecting ring (6) away from the fixed ring (5), threaded grooves (8) are provided on both sides of the outer wall of the connecting cylinder (1), a threaded ring (9) is threadedly connected to the inner wall of the threaded groove (8), and a connecting ring (10) is fixedly connected to the end of the threaded ring (9) away from the connecting cylinder (1). The connecting ring (10) is fixedly connected to a connecting sleeve (11) on the side near the connecting cylinder (1). The threaded ring (9) is located around the connecting sleeve (11). The end of the connecting sleeve (11) away from the connecting ring (10) is fixedly connected to a compression ring (12). The inner wall of the compression ring (12) is a smooth conical curved surface. Two insulating blocks (14) are symmetrically slidably connected to the upper surface of the connecting cylinder (1). A connecting plate (15) is fixedly connected to the top of the insulating blocks (14). A fixing frame (16) is fixedly connected to the upper surface of the connecting cylinder (1). A threaded rod (17) is rotatably connected to the upper surface of the connecting plate (15) through a bearing. The threaded rod (17) is threadedly connected to the fixing frame (16). A rubber sealing ring (21) is bonded to the inner wall of the connecting ring (10).

2. The power cable connection mechanism for easy connection according to claim 1, characterized in that: The rubber connecting ring (6) and the rubber extrusion ring (7) are made of thermoplastic polyurethane.

3. The power cable connection mechanism for easy connection according to claim 2, characterized in that: The rubber sealing ring (21) is made of EPDM rubber.

4. The power cable connection mechanism for easy connection according to claim 3, characterized in that: The upper surface of the threaded rod (17) is provided with an internal hexagonal hole (18).

5. The power cable connection mechanism for easy connection according to claim 4, characterized in that: A locking nut (19) is threaded onto the upper part of the outer side wall of the threaded rod (17).

6. The power cable connection mechanism for easy connection according to claim 5, characterized in that: The upper surface of the connecting cylinder (1) has two symmetrical sliding grooves (13). The connecting cylinder (1) is slidably connected to the insulating pressure block (14) through the sliding grooves (13). A sealing sleeve (20) is fixedly connected to the inner side wall of the sliding groove (13). The sealing sleeve (20) is interference-fitted with the insulating pressure block (14).

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