CN210517139U

CN210517139U - Wire connector

Info

Publication number: CN210517139U
Application number: CN201921384192.5U
Authority: CN
Inventors: 付烈; 龚庆国
Original assignee: Wuhan Huayuan Netcom Power Co Ltd
Current assignee: Wuhan Huayuan Netcom Power Co Ltd
Priority date: 2019-08-25
Filing date: 2019-08-25
Publication date: 2020-05-12
Anticipated expiration: 2029-08-25

Abstract

The utility model discloses a wire connector, including the connecting main part, the elasticity conducting block, the sealed section of thick bamboo of cable, the fixed ball of cable, a fixed section of thick bamboo and the closed screw of inserting of ball, the connecting main part is the integral type rectangle massive structure of engineering plastics material, the inside division of connecting main part has two sets of vertically holding tanks, holding tank bottom central authorities are provided with the foundation, the semicircular notch of profile semicircular is all opened to the foundation upper end, the holding tank upside has all been opened the main part thread groove, the end groove has all been opened to main part thread groove top, it has the side wire casing to connect the main part both ends to open, all open the arris groove on the inner wall of side wire casing, two sets of holding tanks pass through the horizontal groove and connect, be provided with the elasticity conducting block in the horizontal groove, the elasticity conducting block includes the fixed termination contact block in spring and. The wire connector has the advantages of simple connection, convenient operation, good sealing and corrosion resistance, and is suitable for being widely popularized and used.

Description

Wire connector

Technical Field

The utility model belongs to the technical field of the connector, concretely relates to wire connector.

Background

The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater. In the power lines, the cable is increasing in specific gravity. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy, including various voltage classes, 1-500KV and above, and various insulated power cables.

Can use the connector in a large number in the connection process of circuit cable, current connector is mostly the terminal box, and welded Y fork connecting wire on current terminal box passes through screw nut and wire, need with the hand with Y fork card then through the screwdriver rotation fixed on the screw rod of screw, the process that the wire is connected is too loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wire connector to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the wire connector is characterized in that: including connecting body, elasticity conducting block, the sealed section of thick bamboo of cable, the fixed ball of cable, the fixed section of thick bamboo and the closing screw of inserting of ball, connecting body is the integral type rectangle massive structure of engineering plastics material, the connecting body top surface is opened there are two sets of holding tanks with top surface vertically, hold tank bottom face and seal, bottom central authorities are provided with coaxial foundation, the foundation upper end is all opened the profile and is hemispherical notch, the main part thread groove has all been opened to holding tank upper portion lateral wall, the end groove that diameter ratio main part thread groove is 1% -5% bigger is all opened to main part thread groove top, connecting body both ends are opened there is the perpendicular side wire casing that link up with the holding tank, all open annular arris groove on the entry inner wall of side wire casing, link up through the horizontal trough between two sets of holding tanks.

As an embodiment, an elastic conductive block is arranged in the horizontal groove, the elastic conductive block includes a spring and a terminal contact block made of a conductive material and fixed at two ends of the spring, an outer end surface of the terminal contact block is an arc surface, and the arc surface is overlapped with a side wall of the accommodating groove.

As an embodiment, the cable sealing cylinder is located inside the side wire casing, the cable sealing cylinder is of a tubular structure made of flexible rubber, the outer side wall of the cable sealing cylinder is provided with an outer cylinder edge, and the outer cylinder edge is matched with and hermetically embedded inside a ridge groove in the side wire casing.

In an embodiment, a cable fixing ball made of a conductive material is arranged in a notch at the upper end of the bottom pillar, a rotary ball groove is formed in the cable fixing ball, and an inlet and an outlet of the ball groove are arranged on one side facing the side wire groove; the ball fixing and inserting barrel is arranged in the accommodating groove in a right-angle insertion mode, the ball fixing and inserting barrel is provided with a barrel middle groove with an opening at the lower end, the cable fixing ball is located in the barrel middle groove, and a barrel side opening is formed in the side wall, facing the lateral groove, of the ball fixing and inserting barrel.

As the embodiment, the closing screw is made of engineering plastics and is provided with a vertical columnar thread and a nut at the top, the columnar thread is in threaded connection with a main body thread groove, a screw ring groove is formed in the side wall of the nut, a sealing ring is nested in the screw ring groove, and the sealing ring abuts against the inner side wall of the end groove.

And the top surface of the closed screw is provided with an inner hexagonal screwing groove.

The utility model discloses a technological effect and advantage: according to the wire connector, wires need to pass through a ball groove in advance and then are fixed with a wire cable fixing ball through a terminal clamp and a circular tube cold-pressed terminal, the wire cable fixing ball penetrates through a side wire groove and then is placed above a notch when the wires are connected, then a ball fixing inserting cylinder is pressed in, and the wire cable fixing ball is spherical in outline and can be directly pressed into the groove in the cylinder by a bottom column, so that the positioning process is simple to operate, an operator does not need to perform excessively complicated wire position keeping action by hands, and the operation difficulty in the wire connecting process is reduced; prevent rivers from the infiltration of side groove through the sealed section of thick bamboo of cable, prevent rivers from the clearance infiltration of closing screw through the sealing washer, let the use under the adaptable weather such as sleet of this wire connector.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the internal structure of the connecting body of the present invention;

FIG. 4 is a schematic view of the elastic conductive block of the present invention;

fig. 5 is a view of the cable sealing cylinder of the present invention;

fig. 6 is a schematic view of the internal structure of the cable fixing ball of the present invention;

FIG. 7 is a schematic view of the internal structure of the ball-fixing socket of the present invention;

fig. 8 is a schematic structural view of a closing screw of the present invention;

FIG. 9 is a schematic view of the distribution of the components of the present invention;

fig. 10 is a schematic view of a single-sided cable connection state.

In the figure: 1 connecting body, 101 end groove, 102 body thread groove, 103 side thread groove, 104 accommodating groove, 105 horizontal groove, 106 notch, 107 bottom column, 108 prismatic groove, 2 elastic conductive block, 201 end contact block, 202 spring, 3 cable sealing cylinder, 301 cylinder outer edge, 4 cable fixing ball, 401 ball groove, 5 ball fixing inserting cylinder, 501 cylinder middle groove, 502 cylinder side opening, 6 sealing ring, 7 sealing screw, 701 screw ring groove, 8 cable and 9 cold pressing terminal.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a conductor jointer as shown in fig. 1-9, including connecting main part 1, elasticity conducting block 2, the sealed section of thick bamboo 3 of cable, the fixed ball 4 of cable, the fixed section of thick bamboo 5 and the closing screw 7 of inserting of ball, connecting main part 1 with closing screw 7 is the engineering plastics material, makes the connector external insulation.

Connecting body 1 formula rectangle massive structure as an organic whole, connecting body 1 is inside to be opened there are two sets of vertically columniform holding tanks 104, holding tank 104 bottom is sealed, and central authorities are provided with coaxial sill pillar 107, sill pillar 107 upper end is all opened the profile and is hemispherical notch 106 for place cable fixed ball 4, holding tank 104 upper portion is opened main part thread groove 102, main part thread groove 102 top is all opened end groove 101, and end groove 101 diameter ratio main part thread groove 102's diameter is slightly bigger. Lateral line grooves 103 communicated with the accommodating grooves 104 are formed in the two ends of the connecting body 1, ridge grooves 108 are formed in the inner walls of the lateral line grooves 103, and the two groups of accommodating grooves 104 are communicated through horizontal grooves 105.

Specifically, the elastic conductive block 2 is arranged in the horizontal groove 105, the elastic conductive block 2 comprises a spring 202 and end contact blocks 201 fixed to two ends of the spring 202, the end contact blocks 201 are made of a conductive material, such as copper, the outer end face of each end contact block is an arc face, the arc face is a cylindrical face, the radian of each arc face is the same as that of the side wall of the accommodating groove 104, the diameter of the elastic conductive block 2 is 0.5-2mm smaller than that of the horizontal groove 105, and the surface roughness of the elastic conductive block 2 and the surface roughness of the horizontal groove 105 are smaller than 1.6, so that the elastic conductive block 2 can move flexibly and conduction is guaranteed. The elastic conductive block 2 is used for connecting two groups of ball fixing insertion cylinders 5 and electrically connecting the cable fixing balls 4 on the two sides.

The cable sealing cylinder 3 is located inside the side wire groove 103, the cable sealing cylinder 3 is of a tubular structure made of flexible rubber, an outer cylinder edge 301 is arranged on the outer side wall of the cable sealing cylinder 3, the outer cylinder edge 301 is embedded in an edge groove 108 in the side wire groove 103 in an interference fit mode, and the cable sealing cylinder 3 prevents rainwater from permeating into the side wire groove 103.

The cable fixing ball 4 is arranged in the notch 106 at the upper end of the bottom pillar 107, the cable fixing ball 4 is made of conductive materials such as metal copper, a ball groove 401 with a path shape similar to a U-shaped pipeline is formed in the cable fixing ball 4 and rotates in the cable fixing ball 4, and a pair of openings of the lateral groove 103 on the same side, which faces the cable fixing ball 4, are used as an inlet and an outlet of the ball groove 401.

The inside holding tank 104 in the cable fixed ball 4 outside just in time inserts and is equipped with a ball fixed section of thick bamboo 5 of inserting, the cable fixed ball 4 is located the fixed section of thick bamboo in the section of thick bamboo 501 inside of inserting of section of thick bamboo 5, and the opening of a section of thick bamboo in 501 lower extreme, it has a section of thick bamboo side mouth 502 to open on the lateral wall that inserts section of thick bamboo 5 and face outside side wire casing 103 to fix the wire inside cable fixed ball 4 through cold pressing terminal and ball groove 401.

The thread part of the closed screw 7 is positioned in the main body thread groove 102 and connected in a threaded manner, the nut part of the closed screw 7 is positioned in the end groove 101, the side wall of the nut of the closed screw 7 is provided with a screw ring groove 701, a sealing ring 6 is bonded in the screw ring groove 701 through epoxy resin, the sealing ring 6 is pressed against the side wall of the end groove 101, the top surface of the closed screw 7 is provided with an inner hexagonal screwing groove, and the closed screw 7 is made of engineering plastics.

According to the wire connector, a wire to be connected is sleeved with a cable sealing barrel 3, an insulating skin at the end part of the wire is stripped, the end part of the wire is inserted into the ball groove 401 from the inlet of the ball groove 401 and then pulled out from the outlet, the end part extending out of the wire is doubled with a bare wire part outside an incoming wire, the doubled wire part of the bare wire is fixed through a cold pressing terminal, but the fixing mode is not limited to terminal crimping, and can also be a welding, knotting and fastening method, then a cable fixing ball 4 penetrates through a side wire groove 103 and is arranged above a notch 106, then the side wire opening 502 of the barrel faces to the outer side of the near end, the ball fixing inserting barrel 5 is pressed down, the wire part pulled out of the ball groove 401 is positioned inside the side wire opening 502 of the barrel, then the ball fixing inserting barrel 5 is fixed through a sealing screw 7, finally the cable sealing barrel 3 is plugged into the side wire. The wires on the two sides are in mutual contact through the cable fixing ball 4, the elastic conducting block 2 and the ball fixing inserting cylinder 5 which are in good contact, and the structure can ensure that the two wires are reliably electrically connected and cannot be loosened and corroded by the environment. When the conducting wire is released, the conducting wire does not need to be released from the mutually wound conducting wire, and the conducting wire and any conducting wire can conduct electricity without being directly wound.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Wire connector, its characterized in that: the connecting device comprises a connecting body (1), an elastic conductive block (2), a cable sealing cylinder (3), a cable fixing ball (4), a ball fixing inserting cylinder (5) and a closed screw (7), wherein the connecting body (1) is an integral rectangular block-shaped structure made of engineering plastics, the top surface of the connecting body (1) is provided with two groups of accommodating grooves (104) vertical to the top surface, the bottom surfaces of the accommodating grooves (104) are closed, the center of the bottom is provided with a coaxial bottom column (107), the upper ends of the bottom column (107) are respectively provided with a concave opening (106) with a hemispherical outline, the side walls of the upper part of the accommodating grooves (104) are respectively provided with a main body thread groove (102), the upper part of the main body thread groove (102) is respectively provided with an end groove (101) with a diameter which is 1-5% larger than that of the main body thread groove (102), the two ends of the connecting body (1) are, all open annular arris groove (108) on the entry inner wall of side wire casing (103), link up through horizontal groove (105) between two sets of holding tanks (104).

2. The wire connector of claim 1, wherein: the horizontal groove (105) is internally provided with an elastic conductive block (2), the elastic conductive block (2) comprises a spring (202) and a terminal contact block (201) made of a conductive material and fixed at two ends of the spring (202), the outer end face of the terminal contact block (201) is an arc face, and the arc face is coincided with the side wall of the accommodating groove (104).

3. The wire connector of claim 1, wherein: the cable sealing barrel (3) is located inside the side wire groove (103), the cable sealing barrel (3) is of a tubular structure made of flexible rubber, an outer barrel edge (301) is arranged on the outer side wall of the cable sealing barrel (3), and the outer barrel edge (301) is matched with and sealed to be embedded inside the edge groove (108) in the side wire groove (103).

4. The wire connector of claim 1, wherein: a cable fixing ball (4) made of a conductive material is arranged in a notch (106) at the upper end of the bottom column (107), a rotary ball groove (401) is formed in the cable fixing ball (4), and an inlet and an outlet of the ball groove (401) are arranged on one side facing the side wire groove (103); the fixed section of thick bamboo (5) of inserting of ball is just in time inserted to holding tank (104) inside, and a fixed section of thick bamboo (5) of inserting of ball is equipped with lower extreme open-ended section of thick bamboo middle groove (501), fixed ball (4) of cable are located a middle groove (501) inside, it has a section of thick bamboo side mouth (502) to open on the fixed face side wire casing (103) one side lateral wall of inserting a section of thick bamboo (5) of ball.

5. The wire connector of claim 1, wherein: the sealing screw (7) is made of engineering plastics and is provided with a vertical cylindrical thread and a nut at the top, the cylindrical thread is in threaded connection with the main body thread groove (102), a screw ring groove (701) is formed in the side wall of the nut, a sealing ring (6) is nested in the screw ring groove (701), and the sealing ring (6) is supported on the inner side wall of the end groove (101).

6. The wire connector of claim 5, wherein: the top surface of the closed screw (7) is provided with an inner hexagonal screwing groove.