CN111653878A

CN111653878A - Binding post and take electric wire of terminal

Info

Publication number: CN111653878A
Application number: CN202010427387.4A
Authority: CN
Inventors: 姚建军; 孙文; 张珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-09-11

Abstract

The invention belongs to the technical field of power cables, and particularly relates to a wiring terminal and a wire with a terminal, which comprise an upper shell and a lower shell; the upper shell and the lower shell are hinged; one end of the lower shell is fixedly connected with a first connector; the first connection head is of cylindrical design; one side of the first connecting head, which is close to the lower shell, is provided with a connecting groove; one side of the upper shell, which is close to the first connector, is fixedly connected with a second connector; the second connector is matched with the connecting groove; the outer cylindrical surfaces of the first connector and the second connector are both in threaded design; the first connector is in threaded engagement with a fixing ring; one side of the first connector, which is far away from the lower shell, is fixedly connected with a guide pipe; the upper shell, the lower shell, the first connector, the second connector and the fixing ring are arranged, the fixing ring rotates on the first connector and the second connector, and the pressing block and the conducting piece are matched to complete connection of a wire and a wiring terminal.

Description

Binding post and take electric wire of terminal

Technical Field

The invention belongs to the technical field of power cables, and particularly relates to a wiring terminal and a wire with a terminal.

Background

The connecting terminal in the prior art is mostly a metal sheet sealed in insulating plastic, both ends of the metal sheet are provided with holes into which wires can be inserted, and screws are used for fastening or loosening the metal sheet, so that two wires clamped between the metal sheets are conducted, and the connecting terminal is widely used due to the simple and convenient connecting mode.

A binding post that china patent issued, patent number: 2018800071696, having: an insulating material housing; a spring force clamp terminal having a clamp spring disposed in the insulative material housing; and a pivotably mounted actuating lever for actuating the clamping spring, wherein the actuating lever can be moved from a closed position into an open position and vice versa, wherein the actuating lever has a driver for deflecting the clamping legs of the clamping spring in order to open a clamping point of the terminal formed by the clamping legs, wherein the terminal has at least one spring retaining element which is not arranged on the actuating lever for retaining the clamping legs in the open position, such that the actuating lever is not loaded with a restoring force of the clamping spring when the clamping point is open, wherein the terminal has at least one spring release element which is arranged on the actuating lever and can be brought into contact with the spring retaining element during at least one phase of a restoring movement of the actuating lever from the open position into the closed position The parts are coupled, so that in order to release the clamping leg held on the at least one spring holding element, the terminal is simpler and simpler to connect to a conductor, but the terminal itself is not very tight and is susceptible to moisture and the like from the environment during operation in the power circuit, thus creating a certain safety risk.

Disclosure of Invention

The invention provides a wiring terminal and an electric wire with a terminal, aiming at overcoming the defects of the prior art and solving the problems that when the wiring terminal is used for connecting an electric power circuit, the sealing performance of the wiring terminal is poor, the requirement on a ring is strict when the wiring terminal is used, and more potential safety hazards exist in the use process.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a wiring terminal which comprises an upper shell and a lower shell; the upper shell and the lower shell are hinged; one end of the lower shell is fixedly connected with a first connector; the first connection head is of cylindrical design; one side of the first connecting head, which is close to the lower shell, is provided with a connecting groove; one side of the upper shell, which is close to the first connector, is fixedly connected with a second connector; the second connector is matched with the connecting groove; the outer cylindrical surfaces of the first connector and the second connector are both in threaded design; the first connector is in threaded engagement with a fixing ring; one side of the first connector, which is far away from the lower shell, is fixedly connected with a guide pipe; a first through groove is formed in the guide pipe; the first through groove is in a T-shaped design; the first through groove extends into the first connecting head; a wire groove is formed in one side, close to the upper shell, of the lower shell; the wire groove is communicated with the first through groove; one end of the lead groove, which is far away from the first through groove, is fixedly connected with a conducting sheet; the conducting sheet is made of good conductive metal; the conducting sheet penetrates through the lower shell and extends to the outside; the conducting sheet is positioned at one end outside the lower shell and is elastically arranged; an elastic groove is formed in the position, corresponding to the conducting sheet, of the upper shell; the pressing block is elastically connected in the elastic groove through a spring; the pressing block is used for pressing and fixing the conducting wire on the conducting sheet; a second groove is formed in one side, away from the first connecting head, of the lower shell; the second groove is internally and elastically connected with a telescopic block through a spring; the telescopic block is designed in an arc shape; a clamping groove is formed in the telescopic block; a clamping block is fixedly connected to one side of the upper shell, which is far away from the second connector; the clamping groove and the clamping block are in a cross-shaped design and are matched with each other;

in the prior art, most of the connecting terminals are metal sheets sealed in insulating plastics, both ends of each metal sheet are provided with holes for inserting wires, and screws are used for fastening or loosening the metal sheets so as to conduct two wires clamped between the metal sheets, the connecting method is simple and convenient, so the connecting terminals are widely used, but the connecting structure is simple, when the using environment of the connecting terminals is wet or excessively dry, the electric leakage phenomenon is easily generated at the connecting part of the wires and the metal sheets in the connecting terminals, meanwhile, because the sealing performance is poor, dust, impurities and the like easily enter the connecting part of the wires and the metal sheets through gaps, so the phenomena of electric sparks and the like are generated, the potential safety hazard is very large, meanwhile, the connecting terminals are used by matching with a screwdriver when in use, tools are required to be used during operation, the dependence on the tools is large, and during work, rotating the fixed ring away from the upper shell to loosen the first connector and the second connector, rotating the upper shell to rotate the upper shell around the hinge point to separate the upper shell from the lower shell, extending the stripped conductor from the first through groove of the guide tube to the conductor groove to place the metal wire core in the conductor on the conducting sheet, rotating the upper shell towards the lower shell to fold the upper shell and the lower shell, gradually contacting the pressing block in the elastic groove with the metal wire core on the conducting sheet during folding, tightly combining the metal wire core and the conducting sheet by the pressing block along with the continuous folding action, rotating the fixed ring on the first connector until the fixed ring is simultaneously engaged with the first connector and the second connector to further fixedly connect the upper shell and the lower shell, when two wires are connected with each other, one sides of the two wiring terminals far away from the first through groove are opposite, the telescopic blocks and the fixture blocks on the two wiring terminals are staggered through angle adjustment, the two wiring terminals are mutually extruded to press the telescopic blocks into the second grooves, the clamping grooves formed in the telescopic blocks and the fixture blocks fixedly connected on the upper shell are at the same time horizontal, the two wiring terminals are reversely rotated, thereby the clamping block is inserted into the clamping groove to complete the connection of two wires, the arrangement of the telescopic block and the clamping block ensures that two same wiring terminals can be connected, compared with the prior male and female connectors, the connection mode is simpler and more convenient, meanwhile, the lead extends into the upper shell and the lower shell to be connected, so that a lead connecting point can be effectively positioned in a closed environment, and the influence of the external environment on the lead connecting point can be effectively avoided.

Preferably, the first connector is provided with fixing grooves which are uniformly distributed on one side close to the second connector; the fixing groove penetrates through the first connecting head and the guide ring; the depth of the fixed groove is the same as the depth of the first connecting head thread; the fixing ring is provided with a conduction groove; the conduction groove is superposed with the fixed groove in an initial state; the fixing groove is used for accommodating the sheath of the lead and externally limiting the lead through threaded engagement between the fixing ring and the first connector; when the wire is connected, the wire is stretched into the first through groove, the sheath is peeled off and stretched into the fixing groove, because the fixing groove is superposed with the conduction groove on the fixing ring under the initial state, the sheath of the wire penetrates through the first connector and the guide ring through the fixing groove, when the upper shell and the lower shell are folded, the upper shell and the lower shell are fixedly connected by rotating the fixing ring, the fixing ring rotates to enable the conduction groove to be separated from the fixing groove, and then the outer skin of the wire in the fixing groove is subjected to pressing force between threads on the fixing ring and the first connector in threaded engagement, so that the wire is effectively fixed, and the outer skin of the wire is prevented from sliding outwards under the influence of external force.

Preferably, the first through groove is positioned at one side of the first connector close to the lower shell, and the second connector close to the upper shell is provided with a fixing hole; the fixing hole vertically penetrates through the first connector and the second connector; the fixing hole is used for accommodating the inner skin of the lead and is mutually folded with the upper shell and the lower shell through the fixing ring so as to fix the lead; through in the fixed slot wire crust receive solid fixed ring thread tightening and then prevent effectively that the wire from receiving the effort of pulling outward, but when the wire received inside extruded effort, the wire very easily is buckled in first logical inslot, and then make the sinle silk receive stress action equally, and then make the sinle silk descend with the combination dynamics between the conduction piece, lead to the fact the influence to the conduction of electric current, in operation, after the wire crust stretched into the fixed slot, peel off the wire endothelium equally, and then alternate into in the fixed orifices, when fixed ring rotated to the second connector, through solid fixed ring and last casing, extrusion force that folds each other between the casing down and then strengthen fixed effect to the wire, and the fixed interconversion of vertical fixation's mode and horizontal direction, can effectual mutually supporting, and then make the wire totally stationary in first logical inslot.

Preferably, one side of the fixing ring, which is close to the upper shell, is fixedly connected with an extension plate; annular grooves are formed in one side, close to the second connector, of the upper shell and one side, close to the first connector, of the lower shell; the extension plate is matched with the annular groove; an inflatable bag is fixedly connected in the annular groove; one side of the pressing block, which is close to the elastic groove, is fixedly connected with an expansion bag; the inflatable bag and the expansion bag are communicated with each other through the catheter; the during operation, casing when solid fixed ring makes progress, when casing direction rotates down, the extension board that links firmly on the solid fixed ring moves along with solid fixed ring gradually, and finally make the extension board stretch into in the ring channel, the gas cell to in the ring channel extrudees, and then make the gas cell take place deformation with inside gaseous input to the inflation bag in, inflation bag is gaseous to be increased, and then produce pressure to the briquetting, and then make the briquetting strengthen to the suppression effect of wire sinle silk, make the reinforcing of combining strength between lead-through piece and the wire sinle silk effectively, and then make the electric current at the wire sinle silk and switch on more smooth of conduction between the piece.

Preferably, the lower shell is provided with a first groove; the first groove is fixedly connected with a squeezing bag; the upper shell is fixedly connected with an extrusion block corresponding to the first groove; the volume of the extrusion block is smaller than that of the first groove; coating bags are fixedly connected in the first through groove and the wire guide groove; the coating bag is communicated with the extrusion bag through a catheter; because the sizes of the wires have certain difference, the diameter of the first through groove is fixed, the wires with different diameters are inserted into the first through groove and the wire guide groove, and a certain gap exists between the wires and the first through groove and the wire guide groove, when the wire connecting device works, the wires extend between the upper shell and the lower shell, then the upper shell rotates towards the lower shell, so that the extrusion block fixedly connected on the upper shell extends into the first groove, and further the extrusion bag in the first groove is extruded, the extrusion bag deforms and conveys gas into the coating bag through the guide pipe, so that the coating bag deforms, the wires are coated, on one hand, the coating bag coats the wires, so that the gap between the wires and the first through groove is filled, the sealing performance of the wiring terminal can be effectively enhanced, and meanwhile, the flexible contact property of the coating bag can also enable the wiring terminal to be suitable for the wires with different diameters, the wire application range of the wiring terminal is enlarged, and the practicability of the wiring terminal is stronger.

Preferably, one side of the upper shell fixedly connected with the clamping block is fixedly connected with a first sealing plate; a second sealing plate is fixedly connected to one side of the lower shell, which is provided with the expansion plate; the first sealing plate and the second sealing plate are both in circular design, and the diameter of the first sealing plate is larger than that of the second sealing plate; the inner side of the first sealing plate and the outer side of the second sealing plate are fixedly connected with rubber layers; because the conducting sheet extends to the lower shell and is connected outside, only block by the expansion plate and can not make two conducting sheet junctions and external world complete segregation completely, in operation, when because two binding post connect, correspond each other between two binding post's last casing and the lower casing, the mutual dislocation design between first closing plate and the second closing plate on two binding post fixedly connected, and then make and form two complete sealing rings between two first closing plate and two second closing plates, simultaneously because the first closing plate inboard and the second closing plate outside all have linked firmly the rubber layer, after two binding post combinations will conduct the sheet complete sealing in the confined space that two binding post formed, can strengthen the security of wire junction effectively, make the binding post security under the connected state higher.

The electric wire with the terminal comprises a wiring terminal and an electric wire, wherein the electric wire comprises a heat-shrinkable sleeve, an insulating layer and a wire core; the wire core is a linear conductor formed by mutually twisting metal copper after being stretched and vulcanized; the heat-shrinkable sleeve is a protective sleeve made of PVC material and having heat-shrinkable property; the insulating layer is used for coating the wire core and has an insulating and anti-leakage effect; the wiring terminals are connected to two ends of the wire and used for being connected with each other.

The invention has the following beneficial effects:

1. according to the wiring terminal and the electric wire with the terminal, the upper shell, the lower shell, the first connector, the second connector and the fixing ring are arranged, the fixing ring rotates on the first connector and the second connector, opening and closing between the upper shell and the lower shell are controlled, meanwhile, the inner pressing block and the conducting sheet are matched with each other to complete connection of a wire and the wiring terminal, connection and disassembly are simple and convenient, meanwhile, the telescopic block and the clamping block are arranged, two identical wiring terminals are connected in a rotating mode, the connection mode is simple and convenient, meanwhile, the first sealing plate and the second sealing plate are matched with each other, the internal energy of the sealing performance is strong, and further, the connection position of the wiring terminals is more concealed and safer.

2. According to the wiring terminal and the electric wire with the terminal, the outer skin and the inner skin of the wire extend into the fixed groove and the fixed hole through the arrangement of the fixed groove and the fixed hole, the outer skin and the inner skin of the wire are tightly combined with the wire through the threaded engagement between the fixed ring and the first connecting head and the mutual extrusion between the fixed ring and the upper shell, so that the wire is effectively prevented from falling off in the working process, and further hidden danger is caused.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a front view of the present invention;

FIG. 2 is an internal construction diagram of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

in the figure: the sealing device comprises an upper shell 1, a lower shell 2, a first connector 21, a second connector 22, a fixing ring 23, a guide pipe 24, a first through groove 3, a wire guide groove 31, a conducting sheet 32, a pressing block 33, a telescopic block 4, a clamping groove 41, a clamping block 42, a fixing groove 5, a fixing hole 51, an extension plate 6, an air inflation bag 61, an expansion bag 62, a squeezing bag 7, a squeezing block 71, a coating bag 72, a first sealing plate 8 and a second sealing plate 81.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 3, a connection terminal according to the present invention includes an upper housing 1 and a lower housing 2; the upper shell 1 and the lower shell 2 are hinged; one end of the lower shell 2 is fixedly connected with a first connector 21; the first connection head 21 is of cylindrical design; one side of the first connecting head 21 close to the lower shell 2 is provided with a connecting groove; a second connector 22 is fixedly connected to one side of the upper shell 1, which is close to the first connector 21; the second connector 22 is matched with the connecting groove; the outer cylindrical surfaces of the first connector 21 and the second connector 22 are both in a threaded design; a fixing ring 23 is engaged with the first connector 21 through threads; a guide pipe 24 is fixedly connected to one side of the first connector 21, which is far away from the lower shell 2; a first through groove 3 is formed in the guide pipe 24; the first through groove is in a 3T-shaped design; the first through groove 3 extends into the first connecting head 21; a wire groove 31 is formed in one side, close to the upper shell 1, of the lower shell 2; the wire groove 31 and the first through groove 3 are communicated with each other; one end of the wire groove 31, which is far away from the first through groove 3, is fixedly connected with a conducting sheet 32; the conductive sheet 32 is made of a good conductive metal; the conducting sheet 32 penetrates through the lower shell 2 and extends to the outside; the conducting sheet 32 is elastically arranged at one end outside the lower shell 2; an elastic groove is formed in the position, corresponding to the conducting sheet 32, of the upper shell 1; the pressing block 33 is elastically connected in the elastic groove through a spring; the pressing block 33 is used for pressing and fixing the conducting wire on the conducting sheet 32; a second groove is formed in one side, away from the first connecting head 21, of the lower shell 2; the second groove is internally and elastically connected with a telescopic block 4 through a spring; the telescopic block 4 is designed in an arc shape; a clamping groove 41 is formed in the telescopic block 4; a clamping block 42 is fixedly connected to one side of the upper shell 1, which is far away from the second connector 22; the clamping groove 41 and the clamping block 42 are both in a cross-shaped design, and the clamping groove 41 is matched with the clamping block 42;

in the prior art, most of the connecting terminals are metal sheets sealed in insulating plastics, both ends of each metal sheet are provided with holes for inserting wires, and screws are used for fastening or loosening the metal sheets so as to conduct two wires clamped between the metal sheets, the connecting method is simple and convenient, so the connecting terminals are widely used, but the connecting structure is simple, when the using environment of the connecting terminals is wet or excessively dry, the electric leakage phenomenon is easily generated at the connecting part of the wires and the metal sheets in the connecting terminals, meanwhile, because the sealing performance is poor, dust, impurities and the like easily enter the connecting part of the wires and the metal sheets through gaps, so the phenomena of electric sparks and the like are generated, the potential safety hazard is very large, meanwhile, the connecting terminals are used by matching with a screwdriver when in use, tools are required to be used during operation, the dependence on the tools is large, and during work, the fixing ring 23 is rotated towards the direction far away from the upper shell 1, so that the first connector 21 and the second connector 22 are loosened, at the moment, the upper shell 1 is rotated around a hinge point, the upper shell 1 and the lower shell 2 are separated, the peeled conducting wire extends into the direction of the conducting wire groove 31 from the first through groove 3 of the guide pipe 24, so that the metal wire core in the conducting wire is placed on the conducting sheet 32, at the moment, the upper shell 1 is rotated towards the direction of the lower shell 2, so that the upper shell 2 and the lower shell 2 are folded, the pressing block 33 in the elastic groove is gradually contacted with the metal wire core on the conducting sheet 32 in the folding process, along with the continuous folding action, the pressing block 33 tightly combines the metal wire core and the conducting sheet 32, the fixing ring 23 is rotated on the first connector 21 until the fixing ring 23 is simultaneously meshed with the first connector 21 and the second connector 22, when two wires are connected with each other, one sides of the two wiring terminals far away from the first through groove 3 are opposite, the telescopic block 4 and the fixture block 42 on the two wiring terminals are staggered through angle adjustment, the two wiring terminals are mutually extruded to press the telescopic block 4 into the second groove, the clamping groove 41 formed in the telescopic block 4 and the fixture block 42 fixedly connected on the upper shell 1 are at the same level, the two wiring terminals are reversely rotated at the same time, the fixture block 42 is inserted into the clamping groove 41, the connection of the two wires is completed, the arrangement of the telescopic block 4 and the fixture block 42 enables the two same wiring terminals to be connected, compared with a male-female connector in the prior art, the connection mode is simpler and more convenient, the wires are simultaneously extended into the upper shell 1 and the lower shell 2 to be connected, the wire connection point can be effectively positioned in a closed environment, the influence of the external environment on the device can be effectively avoided.

As an embodiment of the present invention, the first connector 21 has fixing grooves 5 uniformly distributed on a side thereof close to the second connector 22; the fixing groove 5 penetrates through the first connecting head 21 and the guide pipe 24; the depth of the fixing groove 5 is the same as the thread depth of the first connecting head 21; the fixing ring 23 is provided with a conduction groove; the conduction groove is superposed with the fixed groove 5 in the initial state; the fixing groove 5 is used for accommodating a wire sheath and limiting the wire outwards through threaded engagement between the fixing ring 23 and the first connector 21; the lead extends into the upper shell 1 and the lower shell 2, the lead is fixed through the pressing block 33 and the conduction plate, because the connection between the outer skin and the inner skin of the lead is loose, the connection between the inner skin and the wire core is tight, when the lead is pulled by external force, because the wire core is fixed, the outer skin is easy to separate from the inner skin, and further the outer skin is pulled out of the first through groove 3 and is separated from the inner skin, and further the anti-creeping protection mechanism of the lead is damaged, and great potential safety hazard exists, when in operation, when the lead is connected, the lead extends into the first through groove 3, the outer skin of the lead is peeled off and extends into the fixed groove 5, because the fixed groove 5 is coincided with the conduction groove on the fixed ring 23 under the initial state, the outer skin of the lead penetrates through the first connecting head 21 and the guide pipe 24 through the fixed groove 5, when the upper shell 1 and the lower shell, the upper shell 1 and the lower shell 2 are fixedly connected, the fixing ring 23 rotates, the conduction groove is separated from the fixing groove 5, and the wire sheath in the fixing groove 5 is pressed between threads on the fixing ring 23 and the first connecting head 21 in threaded engagement, so that the wire is effectively fixed, and the wire sheath is prevented from sliding outwards under the influence of external force.

As an embodiment of the present invention, the first through groove 3 is located at one side of the first connector 21 close to the lower casing 2, and the second connector 22 close to the upper casing 1 are both provided with fixing holes 51; the fixing hole 51 vertically penetrates through the first connector 21 and the second connector 22; the fixing hole 51 is used for accommodating the inner skin of the lead and fixing the lead by folding the fixing ring 23 with the upper shell 1 and the lower shell 2; through in the fixed slot 5 wire crust receive solid fixed ring 23 thread tightening and then prevent effectively that the wire from receiving the exogenic action, but when the wire received inside extruded effort, the wire very easily is buckled in first logical groove 3, and then make the sinle silk receive stress action equally, and then make the sinle silk descend with the bonding force between the piece 32 that switches on, lead to the fact the influence to the conduction of electric current, in operation, after the wire crust stretched into fixed slot 5, peel off the wire endothelium equally, and then wear to insert in fixed orifices 51, when solid fixed ring 23 rotates on to second connector 22, through solid fixed ring 23 and last casing 1, extrusion force that folds each other between casing 2 down and then strengthen fixed effect to the wire, and the fixed interbonding of vertical fixation's mode and horizontal direction, can effectual mutually supporting, and then make the wire completely fixed in first logical groove 3.

As an embodiment of the invention, the fixing ring 23 is fixedly connected with the extension plate 6 on one side close to the upper shell 1; annular grooves are formed in the side, close to the second connector 22, of the upper shell 1 and the side, close to the first connector 21, of the lower shell 2; the extension plate 6 is matched with the annular groove; an inflatable bag 61 is fixedly connected in the annular groove; one side of the pressing block 33 close to the elastic groove is fixedly connected with an expansion bag 62; the inflatable bag 61 and the inflatable bag 62 are communicated with each other through a conduit; the during operation, go up casing 1 when solid fixed ring 23, when casing 2 direction rotates down, gu fixed ring 23 goes up extension board 6 that links firmly and remove along with solid fixed ring 23 gradually, and finally make extension board 6 stretch into in the ring channel, extrude gas cell 61 in the ring channel, and then make gas cell 61 take place deformation with inside gas input to inflation bag 62 in, inflation bag 62 is gaseous to be increased, and then produce pressure to briquetting 33, and then make briquetting 33 strengthen the suppression effect of wire sinle silk, make effectively and lead to the reinforcing of combining dynamics between piece 32 and the wire sinle silk, and then make the electric current at the wire sinle silk and lead to the more smooth of conduction between piece 32.

As an embodiment of the present invention, the lower housing 2 is provided with a first groove; the first groove is fixedly connected with a squeezing bag 7; the position of the upper shell 1 corresponding to the first groove is fixedly connected with an extrusion block 71; the volume of the extrusion block 71 is less than the volume of the first groove; the first through groove 3 and the wire guide groove 31 are fixedly connected with coating bags 72; the coating bag 72 is communicated with the extrusion bag 7 through a catheter; because the sizes of the wires have certain difference, the diameter of the first through groove 3 is fixed, the wires with different diameters are inserted into the first through groove 3 and the wire groove 31, and a certain gap exists between the wires and the first through groove 3 and the wire groove 31, when the wire connector works, after the wires are stretched between the upper shell 1 and the lower shell 2, the upper shell 1 is rotated towards the lower shell 2, so that the extrusion block 71 fixedly connected on the upper shell 1 is stretched into the first groove, and then the extrusion bag 7 in the first groove is extruded, the extrusion bag 7 is deformed, gas is conveyed into the coating bag 72 through the guide pipe, so that the coating bag 72 is deformed, the wires are coated, on one hand, the coating bag 72 coats the wires, so that the gap between the wires and the first through groove 3 is filled, the sealing performance of the wiring terminal can be effectively enhanced, and meanwhile, the soft contact property of the coating bag 72 can also enable the wires with different diameters to be suitable for the wiring terminals, the wire application range of the wiring terminal is enlarged, and the practicability of the wiring terminal is stronger.

As an embodiment of the present invention, the upper housing 1 is fixedly connected with the first sealing plate 8 at one side of the fixture block 42; a second sealing plate 81 is fixedly connected to one side of the lower shell 2, which is provided with the expansion plate; the first sealing plate 8 and the second sealing plate 81 are both in a circular design, and the diameter of the first sealing plate 8 is larger than that of the second sealing plate 81; rubber layers are fixedly connected to the inner side of the first sealing plate 8 and the outer side of the second sealing plate 81; because the conducting sheet 32 extends to the lower shell 2 to be connected, the two conducting sheets 32 can not be completely separated from the outside only by blocking the telescopic plate, in operation, when the two wiring terminals are connected, the upper shells 1 and the lower shells 2 of the two wiring terminals correspond to each other, the two wiring terminals are fixedly connected with the first sealing plate 8 and the second sealing plate 81 in a mutual staggered design, and then two complete sealing rings are formed between the two first sealing plates 8 and the two second sealing plates 81, and meanwhile, because the inner sides of the first sealing plates 8 and the outer sides of the second sealing plates 81 are fixedly connected with rubber layers, the conducting sheet 32 is completely sealed in a closed space formed by the two wiring terminals after the two wiring terminals are combined, the safety of the connecting position of the conducting wire can be effectively enhanced, and the safety of the wiring terminals in a connection state is higher.

The specific working process is as follows:

during operation, the fixing ring 23 is rotated towards the direction far away from the upper shell 1, so that the first connector 21 and the second connector 22 are loosened, at the moment, the upper shell 1 is rotated around a hinge point, the upper shell 1 is separated from the lower shell 2, the peeled conducting wire extends into the conducting wire groove 31 from the first through groove 3 of the guide pipe 24, so that the metal wire core in the conducting wire is placed on the conducting sheet 32, at the moment, the upper shell 1 is rotated towards the lower shell 2, so that the upper shell 2 and the lower shell 2 are folded, the pressing block 33 in the elastic groove is gradually contacted with the metal wire core on the conducting sheet 32 in the folding process, along with the continuous folding action, the pressing block 33 tightly combines the metal wire core with the conducting sheet 32, the fixing ring 23 is rotated on the first connector 21 until the fixing ring 23 is simultaneously engaged with the first connector 21 and the second connector 22, and then link firmly between casing 1 and the lower casing 2 on making, when two wire interconnect, it is relative that two binding post keep away from first logical groove 3 one side, and make dislocation between flexible piece 4 and the fixture block 42 on two binding post through angle modulation, extrude two binding post each other this moment with flexible piece 4 suppression in the second recess, draw-in groove 41 that links firmly on flexible piece 4 this moment and the last casing 1 is in the simultaneous level, with two binding post antiport this moment, and then make fixture block 42 insert in draw-in groove 41, and then accomplish the connection of two wires.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A connecting terminal is characterized in that: comprises an upper shell (1) and a lower shell (2); the upper shell (1) and the lower shell (2) are hinged; one end of the lower shell (2) is fixedly connected with a first connector (21); the first connection head (21) is of cylindrical design; one side of the first connecting head (21) close to the lower shell (2) is provided with a connecting groove; one side of the upper shell (1) close to the first connector (21) is fixedly connected with a second connector of a second connector, and the second connector (22) is fixedly connected with the second connector of the second connector; the second connector (22) is matched with the connecting groove; the outer cylindrical surfaces of the first connector (21) and the second connector (22) are both in threaded design; a fixing ring (23) is engaged with the first connector (21) through threads; a guide pipe (24) is fixedly connected to one side of the first connector (21) far away from the lower shell (2); a first through groove (3) is formed in the guide pipe (24); the first through groove (3) is designed in a T shape; the first through groove (3) extends into the first connecting head (21) for design; a wire groove (31) is formed in one side, close to the upper shell (1), of the lower shell (2); the wire groove (31) and the first through groove (3) are communicated with each other; one end of the lead groove (31) far away from the first through groove (3) is fixedly connected with a conducting sheet (32); the conducting sheet (32) is made of good conductive metal; the conducting sheet (32) penetrates through the lower shell (2) and extends to the outside; the conducting sheet (32) is positioned at one end outside the lower shell (2) and is elastically arranged; an elastic groove is formed in the position, corresponding to the conducting sheet (32), of the upper shell (1); a pressing block (33) is elastically connected in the elastic groove through a spring; the pressing block (33) is used for pressing and fixing the conducting wire on the conducting sheet (32); a second groove is formed in one side, away from the first connecting head (21), of the lower shell (2); a telescopic block (4) is elastically connected in the second groove through a spring; the telescopic block (4) is designed in an arc shape; a clamping groove (41) is formed in the telescopic block (4); a clamping block (42) is fixedly connected to one side, far away from the second connector (22), of the upper shell (1); the clamping groove (41) and the clamping block (42) are both in a cross-shaped design, and the clamping groove (41) is matched with the clamping block (42).

2. A terminal according to claim 1, wherein: one side of the first connector (21) close to the second connector (22) is provided with fixing grooves (5) which are uniformly distributed; the fixing groove (5) penetrates through the first connecting head (21) and the guide pipe (24); the depth of the fixing groove (5) is the same as the thread depth of the first connecting head (21); the fixing ring (23) is provided with a conduction groove; the conduction groove is overlapped with the fixed groove (5) in the initial state; the fixing groove (5) is used for accommodating the wire sheath and fixing the wire through threaded engagement between the fixing ring (23) and the first connecting head (21).

3. A terminal according to claim 1, wherein: the first through groove (3) is positioned at one side of the first connector (21) close to the lower shell (2), and the second connector (22) close to the upper shell (1) is provided with a fixing hole (51); the fixing hole (51) vertically penetrates through the first connector (21) and the second connector (22); the fixing hole (51) is used for accommodating the inner skin of the lead and fixing the lead by mutually folding the fixing ring (23) with the upper shell (1) and the lower shell (2).

4. A terminal according to claim 3, wherein: one side of the fixing ring (23) close to the upper shell (1) is fixedly connected with an extension plate (6); annular grooves are formed in one side, close to the second connector (22), of the upper shell (1) and one side, close to the first connector (21), of the lower shell (2); the extension plate (6) is matched with the annular groove; an inflatable bag (61) is fixedly connected in the annular groove; one side of the pressing block (33) close to the elastic groove is fixedly connected with an expansion bag (62); the inflatable bag (61) and the expansion bag (62) are communicated with each other through a conduit.

5. A terminal according to claim 1, wherein: a first groove is formed in the lower shell (2); a squeezing bag (7) is fixedly connected in the first groove; the upper shell (1) is fixedly connected with an extrusion block (71) corresponding to the first groove; the volume of the extrusion block (71) is less than the volume of the first groove; coating bags (72) are fixedly connected in the first through groove (3) and the wire guide groove (31); the coating bag (72) and the extrusion bag (7) are communicated with each other through a catheter.

6. A terminal according to claim 1, wherein: one side of the upper shell (1) fixedly connected with the clamping block (42) is fixedly connected with a first sealing plate (8); a second sealing plate (81) is fixedly connected to one side of the lower shell (2) where the expansion plate is installed; the first sealing plate (8) and the second sealing plate (81) are both in a circular design, and the diameter of the first sealing plate (8) is larger than that of the second sealing plate (81); the inner side of the first sealing plate (8) and the outer side of the second sealing plate (81) are fixedly connected with rubber layers.

7. The utility model provides a take electric wire of terminal, includes binding post and electric wire, its characterized in that: the connecting terminal is selected from the connecting terminal of any one of the claims 1 to 6; the wire comprises a heat-shrinkable sleeve, an insulating layer and a wire core; the wire core is a linear conductor formed by mutually twisting metal copper after being stretched and vulcanized; the heat-shrinkable sleeve is a protective sleeve made of PVC material and having heat-shrinkable property; the theater layer is used for coating the wire cores and has an insulation and anti-creeping effect; the wiring terminals are connected to two ends of the wire and used for being connected with each other.