Bypass cable joint

Abstract

The utility model discloses a bypass cable joint which comprises a core tube, an insulating sleeve, a shielding sleeve, a protective tube and the like, the insulating sleeve is coaxially nested on the outer side of the core tube, the shielding sleeve is arranged outside the insulating sleeve, an outer protective tube is sleeved outside the shielding sleeve, and the protective tube is sleeved outside the outer protective tube. The two sides of the outer protective tube are sleeved with shells extending to the outer sides of the shielding sleeves, pressing sleeves are arranged on the inner sides of the shells, and the portions, on the two sides of the outer protective tube, of the shielding sleeves are sleeved with locking springs outwards abutting against the pressing sleeves. A plurality of sets of taper holes with large openings facing outwards are formed in the outer circumference of the shell in a surrounding mode, and blocking balls extending to the inner side of the shell are arranged in the multiple sets of taper holes. The beneficial effects are that the cable joint suitable for bypass cable operation is researched and developed, the movable sleeve transversely moves to control the abutting state of the blocking ball in the taper hole, the cable joint can be rapidly locked and separated, the joint connection speed is improved, the use is convenient, the work amount of bypass cable operation can be reduced, and the operation time is saved.

Description

Technical Field

[0001] The utility model relates to the field of cable accessories, in particular to a bypass cable joint. Background Art

[0002] In the distribution network system, the promotion and application of the bypass cable operation technology can effectively solve the technical problems that cannot be solved by the conventional operation methods, and can complete emergency repair, temporary power supply and other operation projects without power outage or short-term power outage. When carrying out the research on the application of the cable bypass operation technology, it is often necessary to realize the electrical connection between the ordinary cable and the bypass cable in a complex field environment. At present, the structure of the bypass cable joint is the same as that of the traditional nut-tightening type cable joint. When in use, the cable joint needs to be tightened to the cable line connection position through a nut, the connection speed is slow, and at the same time, the joint connection is in an exposed state, which is prone to short circuit or electric shock risk, the operation efficiency is low, and the practicability is poor. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a bypass cable joint to solve the above problems, develop a cable joint suitable for bypass cable operation, and control the tightening state of the plug ball in the conical hole through the transverse movement of the movable sleeve, so as to quickly lock and separate the cable joint, improve the joint connection speed, be convenient to use, reduce the engineering quantity of the bypass cable operation, and save the operation time. The details are described below.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] A bypass cable joint provided by the utility model includes a core tube and a shielding sleeve. The shielding sleeve is coaxially nested outside the core tube. An outer protection tube is sleeved outside the shielding sleeve. Shells extending to the outside of the shielding sleeve are sleeved on both sides of the outer protection tube. A pressing sleeve is arranged inside the shell. Locking springs that press against the pressing sleeve outward are sleeved on the outside of the shielding sleeve on both sides of the outer protection tube.

[0006] A plurality of conical holes with large openings facing outward are circumferentially arranged on the outer circumference of the shell. Plug balls extending to the inside of the shell are arranged inside the plurality of conical holes. A movable sleeve that can slide horizontally is sleeved outside the shell. A retaining ring that presses against the plug ball to press the pressing sleeve is fixed inside the end of the movable sleeve.

[0007] When the cable gland is in a closed position, the locking pin is engaged and the locking pin is engaged, and the locking pin is engaged in the locking groove ...

[0008] Preferably, an electric core is passed through the inner side of the core tube, and a plurality of groups of insulating sleeves evenly distributed laterally are arranged on the outer circumference of the middle part of the core tube, and the inner wall of the shielding sleeve is an annular groove structure that is snap-fitted with the insulating sleeve.

[0009] Preferably, a reset groove for accommodating the retaining ring is provided at the end of the shell, and a reset spring for pressing the retaining ring outward is sleeved inside the reset groove.

[0010] Preferably, the outer shell end is provided with an anti-slip ring to prevent the movable sleeve from detaching from the outer shell, and the outer side of the outer shell end is coaxially provided with a limiting groove to accommodate the anti-slip ring, and the inner side of the retaining ring is provided with a guide groove to accommodate a blocking ball.

[0011] Preferably, a vertically extending lock pin is fixed to one side of the housing away from the anti-slip ring, an adjustment groove for accommodating the lock pin is provided at the end of the movable sleeve, and one side of the adjustment groove is a lock groove for snap-fitting and locking the lock pin.

[0012] Preferably, the outer end of the shell is turned inward to form an inner edge to prevent the press sleeve from escaping, one end of the press sleeve extending into the shell protrudes outward to form a blocking edge, and a tapered hole is provided on the inner side of the outer end of the press sleeve.

[0013] Preferably, the length of the pressing sleeve is smaller than the compression stroke of the locking spring, and the pressing sleeve is made of aluminum material.

[0014] Preferably, a convex ring is fixed on the outside of the outer protective tube for separating the two groups of the outer shells, and a gasket is sleeved on the outer protective tube between the convex ring and the outer shells.

[0015] The beneficial effects are as follows: By developing a cable joint suitable for bypass cable operations, the present utility model can control the pressing state of the plug ball in the tapered hole through the lateral movement of the movable sleeve, quickly lock and separate the cable joint, improve the joint connection speed, is convenient to use, can reduce the engineering quantity of bypass cable operations, and save operation time. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following-described drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 is the front view structure diagram of the present utility model;

[0018] Figure 2 is the three-dimensional structure schematic diagram of the present utility model;

[0019] Figure 3 is the structure splitting schematic diagram of the present utility model;

[0020] Figure 4 is the front view sectional diagram of the present utility model;

[0021] Figure 5 is Figure 4 the enlarged view of the structure at A of

[0022] Figure 6 is the top view structure diagram of the present utility model;

[0023] Figure 7 is the partial structure splitting schematic diagram of the present utility model.

[0024] The description of the reference numerals is as follows:

[0025] 1. Core tube; 101. Core wire; 102. Insulating sleeve; 2. Shielding sleeve; 3. Outer protective tube; 301. Convex ring; 4. Outer shell; 401. Tapered hole; 402. Plug ball; 403. Reset groove; 404. Limiting groove; 405. Locking pin; 5. Movable sleeve; 501. Retaining ring; 502. Guide groove; 503. Adjusting groove; 504. Locking groove; 6. Compression sleeve; 601. Retaining edge; 602. Tapered opening; 7. Anti-disengagement ring; 8. Locking spring; 9. Reset spring; 10. Washer. Detailed Embodiments

[0026] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0027] See also Figures 1 - 7 As shown, the utility model provides a bypass cable connector, comprising a core tube 1 and a shielding sleeve 2, wherein the shielding sleeve 2 is coaxially nested on the outside of the core tube 1, an outer protective tube 3 is sleeved on the outside of the shielding sleeve 2, both sides of the outer protective tube 3 are sleeved with an outer shell 4 extending to the outside of the shielding sleeve 2, a laterally movable pressing sleeve 6 is arranged on the inner side of the outer shell 4, and the outer sides of the shielding sleeve 2 on both sides of the outer protective tube 3 are sleeved with a locking spring 8 which presses the pressing sleeve 6 outwardly to maintain the lateral position of the pressing sleeve 6;

[0028] A plurality of groups of tapered holes 401 with large openings facing outwards are arranged around the outer circumference of the outer shell 4, and blocking balls 402 extending to the inner side of the outer shell 4 are arranged inside the plurality of tapered holes 401, and the diameter of the small opening inside the tapered holes 401 is smaller than the diameter of the blocking balls 402 to prevent the blocking balls 402 from falling into the inner side of the outer shell 4, and a movable sleeve 5 which can slide laterally to control the compression state of the blocking balls 402 is provided on the outer side of the outer shell 4, and a retaining ring 501 is fixed on the inner side of the end of the movable sleeve 5 to press the blocking balls 402 to compress the pressing sleeve 6.

[0029] As an optional embodiment, an electric core 101 is penetrated through the inner side of the core tube 1, and a plurality of groups of insulating sleeves 102 are uniformly distributed laterally are arranged on the outer circumference of the middle part of the core tube 1, and the inner wall of the shielding sleeve 2 is an annular groove structure that is snap-fitted with the insulating sleeve 102, so as to improve the connection stability between the shielding sleeve 2 and the core tube 1, and a reset groove 403 for accommodating a retaining ring 501 is arranged at the end of the shell 4, and a reset spring 9 for pressing the retaining ring 501 outward is arranged inside the reset groove 403, and an anti-slip ring 7 for preventing the movable sleeve 5 from detaching from the shell 4 is arranged at the end of the shell 4, and a limiting groove 404 for accommodating the anti-slip ring 7 is coaxially arranged on the outer side of the end of the shell 4, and a guide groove 502 for accommodating the blocking ball 402 is arranged on the inner side of the retaining ring 501, and a vertically extending lock pin 405 is fixed on the side of the shell 4 away from the anti-slip ring 7, and an adjusting groove 503 for accommodating the lock pin 405 is arranged at the end of the movable sleeve 5, and one side of the adjusting groove 503 is a lock groove 504 for snap-fitting and locking the lock pin 405;

[0030] The outer end of the outer shell 4 is turned inward to form an inner edge that blocks the compression sleeve 6 from escaping. The compression sleeve 6 extends into the outer shell 4 and one end protrudes outward to form a blocking edge 601. A tapered hole 401 is provided on the inner side of the outer end of the compression sleeve 6 to facilitate the cable end to smoothly extend into the interior of the compression sleeve 6. The length of the compression sleeve 6 is less than the compression stroke of the locking spring 8, and the compression sleeve 6 is made of aluminum material. A convex ring 301 is fixed on the outside of the outer protective tube 3 to separate the two groups of outer shells 4, and a sealing gasket 10 made of rubber material is provided on the outer protective tube 3 between the convex ring 301 and the outer shell 4.

[0031] With the above structure, when in use, the movable sleeve 5 is pushed in the direction of the compression return spring 9 to compress the return spring 9 until the tapered hole 401 and the guide groove 502 are horizontally moved to a connected state. At this time, the inward pressing state of the blocking ring 501 on the blocking ball 402 is released, and then the cable skin to be connected is inserted into the outside of the core tube 1, and the cable core is inserted into the inside of the core tube 1 to connect the battery core 101, and then the outer movable sleeve 5 is loosened, and the movable sleeve 5 is pushed by the return spring 9 to move horizontally to the end to the position of the anti-slip ring 7. At this time, the blocking ring 501 of the movable sleeve 5 is used to press the blocking ball 402 inward, so that the blocking ball 402 presses the pressing sleeve 6 inward along the inner opening of the tapered hole 401, and then presses the pressing sleeve 6 to the position of the cable sheath sleeved on the outside of the core tube 1, so as to realize the quick locking connection between the cable connector on this side and the cable; when it is necessary to keep a group of pressing sleeves 6 in an unlocked state, rotate the movable sleeve 5 on this side and compress the reset spring 9, rotate the movable sleeve 5 to the position where the locking pin 405 extends into the adjustment groove 503, and continue to rotate to insert the locking pin 405 into the locking groove 504, and use the locking pin 405 to lock the lateral position of the movable sleeve 5, so as to ensure that the pressing sleeve 6 on the inner side of the housing 4 on this side remains unlocked and loosened;

[0032] By developing a cable connector suitable for bypass cable operations, the movable sleeve 5 is used to control the tight state of the blocking ball 402 in the tapered hole 401, so that the cable connector can be quickly locked and separated, thereby increasing the connector connection speed. The connector is easy to use, can reduce the engineering workload of bypass cable operations, and save operation time.

[0033] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A bypass cable connector, characterized in that: The invention comprises a core tube (1) and a shielding sleeve (2), wherein the shielding sleeve (2) is coaxially nested on the outside of the core tube (1), an outer protective tube (3) is sleeved on the outside of the shielding sleeve (2), both sides of the outer protective tube (3) are sleeved with an outer shell (4) extending to the outside of the shielding sleeve (2), a pressing sleeve (6) is arranged on the inner side of the outer shell (4), and locking springs (8) are sleeved on the outside of the shielding sleeve (2) on both sides of the outer protective tube (3) to press the pressing sleeve (6) outwardly; The outer circumference of the shell (4) is surrounded by a plurality of groups of tapered holes (401) with large openings facing outwards, and each group of the tapered holes (401) is provided with a blocking ball (402) extending to the inner side of the shell (4). The outer side of the shell (4) is provided with a movable sleeve (5) that can slide laterally, and a retaining ring (501) is fixed on the inner side of the end of the movable sleeve (5) to press against the blocking ball (402) so that it presses against the pressing sleeve (6).

2. A bypass cable connector according to claim 1, characterized in that: An electric core (101) is inserted into the inner side of the core tube (1), and a plurality of groups of insulating sleeves (102) are arranged on the outer circumference of the middle part of the core tube (1) and are evenly distributed laterally. The inner wall of the shielding sleeve (2) is an annular groove structure that is snap-fitted with the insulating sleeve (102).

3. A bypass cable connector according to claim 2, characterized in that: The end of the housing (4) is provided with a reset groove (403) for accommodating the retaining ring (501), and a reset spring (9) is sleeved inside the reset groove (403) for pressing the retaining ring (501) outwardly.

4. A bypass cable connector according to claim 3, characterized in that: The end of the housing (4) is sleeved with an anti-slip ring (7) for preventing the movable sleeve (5) from detaching from the housing (4), and a limiting groove (404) for accommodating the anti-slip ring (7) is coaxially arranged on the outer side of the end of the housing (4), and a guide groove (502) for accommodating the blocking ball (402) is arranged on the inner side of the retaining ring (501).

5. A bypass cable connector according to claim 4, characterized in that: A vertically extending locking pin (405) is fixed to the side of the housing (4) away from the anti-slip ring (7), an adjusting groove (503) for accommodating the locking pin (405) is provided at the end of the movable sleeve (5), and one side of the adjusting groove (503) is a locking groove (504) for locking the locking pin (405) by snapping.

6. A bypass cable connector according to claim 1, characterized in that: The outer end of the outer shell (4) is turned inward to form an inner edge that blocks the pressing sleeve (6) from coming out; one end of the pressing sleeve (6) extends into the outer shell (4) and protrudes outward to form a blocking edge (601); a tapered hole (401) is provided on the inner side of the outer end of the pressing sleeve (6).

7. A bypass cable connector according to claim 6, characterized in that: The length of the pressing sleeve (6) is smaller than the compression stroke of the locking spring (8), and the pressing sleeve (6) is made of aluminum material.

8. A bypass cable connector according to claim 7, characterized in that: A convex ring (301) is fixed on the outside of the outer protective tube (3) for separating the two groups of outer shells (4), and a gasket (10) is sleeved on the outer protective tube (3) between the convex ring (301) and the outer shell (4).

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