High-tension connector
Technical field
The present invention relates to a kind of connector, particularly relating to a kind of high-tension connector for connecting high-tension cable.
Background technology
Existing high-tension connector includes high-voltage plug and high-tension terminal, by the plug of high-voltage plug and high-tension terminal to realize the electrical connection of two cables.Due to energising cable, Keep Clear-High Voltage, and for ensureing fail safe, the plug of high-voltage plug and high-tension terminal needs to carry out in the event of a power failure.That is, in grafting and power-off before extracting.For preventing the high-tension connector pulling out energising by mistake, after high-voltage plug and high-tension terminal grafting, two energising cables are electrically connected, locked the relative position of high-voltage plug and high-tension terminal by locking device.
In practical operation, before grafting high-voltage plug and high-tension terminal, high-voltage plug and high-tension terminal not yet work, and both are off-position, handling safety; And before unpluging high-voltage plug and high-tension terminal, high-voltage plug and high-tension terminal are operating state, people, when unpluging both, usually can forget leading power-off, easily security incident occur.In another kind of situation, under misoperation, cable are pullled the situations such as the coupling mechanism force that exceeds high-voltage plug and high-tension terminal by mistake, high-voltage plug and high-tension terminal disconnect in the energized state, very easily get an electric shock, the situation such as electric leakage, abnormally dangerous.
Based on the unsafe factor of existing high-tension connector, be badly in need of wanting the better high-tension connector of a kind of security performance.
Summary of the invention
The object of this invention is to provide a kind of high-tension connector with good security performance.
In order to realize there is object, the invention discloses a kind of high-tension connector, described high-tension connector comprises high-voltage plug and high-tension terminal, described high-voltage plug and described high-tension terminal are respectively used to connection one cut cable, the electrical connection realizing two cables is plugged by described high-voltage plug and described high-tension terminal, described high-voltage plug is provided with buckle, on described high-tension terminal, correspondence is provided with holding section, described buckle and/or described holding section are provided with two, holding section described in buckle described in two and/or two is arranged along the plug orientation of described high-voltage plug and described high-tension terminal, to make to fasten two positions in the process of extracting mutually at described high-voltage plug and described high-tension terminal.
Described high-voltage plug is provided with buckle, described high-tension terminal is provided with holding section, at least one in buckle and holding section arranges two, extract in the process of high-tension terminal at high-voltage plug, buckle and holding section fasten in two positions, that is, fasten when high-voltage plug and the complete grafting of high-tension terminal, high-voltage plug is extracted after high-tension terminal one segment distance, high-voltage plug and high-tension terminal disconnect electrical connection and again engage, thus improve the fail safe of high-tension connector operation.Further, when high-voltage plug and high-tension terminal second time engage, systems axiol-ogy disconnects electrical connection to high-voltage plug and high-tension terminal, automatically stops powering to two cables, ensures the fail safe of high-tension connector operation further, prevent the generation of security incident.
Preferably, arrange from bottom to top in the direction that described in buckle described in two and two, described high-tension terminal is extracted along described high-voltage plug respectively in holding section; Owing to arranging respectively up and down in two buckles and two holding sections, two buckles and two holding sections are not on a height, the snap-fit relationship of two buckles and two holding sections is unique corresponding, two snap-fit relationship do not interfere with each other, when preventing releasing one snap lock, the situation of another snap lock automatic unlocking occurs, and improves the fail safe of high-tension connector operation further.
Particularly, the distance be buckled in described in two in the plug orientation of described high-voltage plug and described high-tension terminal is greater than the distance of holding section described in two in the plug orientation of described high-voltage plug and described high-tension terminal; After removing the snap lock of a buckle and a holding section, after described high-voltage plug and described high-tension terminal extract a segment distance, another buckle and another holding section snap lock again, now high-voltage plug and high-tension terminal disconnect electrical connection, system stops powering to two cables automatically, thus ensure that the high-voltage plug that unplugs and high-tension terminal are power-off.
Preferably, described high-tension terminal protrudes out laterally and forms described holding section, and described buckle is operably connected to the outside of described high-voltage plug, by operating described buckle to remove the snap lock of buckle and holding section.
Particularly, described high-voltage plug also comprises locking sliding block, described locking sliding block is slidably connected to described high-voltage plug and buckle described in ejection, makes described buckle perseverance have the action trend being sticked in described holding section, prevents buckle from moving due to reasons such as vibrations and causing engaging to be lost efficacy.
Preferably, described high-voltage plug comprises contact pin, plug plastic inner shell, plug plastic casing and plug shield layer, described contact pin is fixed on described plug plastic inner shell and is electrically connected with cable, described plug plastic inner shell is positioned at described plug plastic casing, and described plug shield layer is between described plug plastic inner shell and described plug plastic casing and complete coated described plug plastic inner shell; Described high-tension terminal comprises jack, socket plastic inner shell, socket plastic casing and jack shield layer, described jack is fixed on described jack plastic inner shell and is electrically connected with cable, described jack plastic inner shell is positioned at described jack plastic casing, and described outlet shield layer is between described jack plastic inner shell and described jack plastic casing and complete coated described jack plastic inner shell.
Particularly, described high-voltage plug also comprises sealing ring and cap, described sealing ring is socketed on described plug shield layer, one end that described cap is socketed on described plug shield layer departs from described plug shield layer to prevent described sealing ring, make in high-tension connector swapping process, sealing ring can not be taken out of, dropped, and ensure that water resistance
Particularly, described high-voltage plug and/or described high-tension terminal also comprise cable claw, and described cable claw is fixed on one end of described high-voltage plug and/or described high-tension terminal, and described cable claw is used for fixing described cable; Described cable claw is used for preventing cable from rocking or rotating, and stops cable sheath retreat and leak electricity.
Particularly, described contact pin and described plug plastic inner shell group are detachably installed in described plug plastic casing, and what described jack and described socket plastic inner shell group were unloaded is installed in described jack plastic casing; Because contact pin and plug plastic inner shell, jack and jack plastic inner shell can split out in described plug plastic casing, jack plastic casing, replace easily, thus realize two core connectors and connector, 3-pin exchange function.
Accompanying drawing explanation
Fig. 1 is the structural representation of high-voltage plug.
Fig. 2 is the profile of high-voltage plug.
Fig. 3 is the decomposing schematic representation of high-voltage plug.
Fig. 4 is the structural representation of high-tension terminal.
Fig. 5 is the profile of high-tension terminal.
Fig. 6 is the decomposing schematic representation of high-tension terminal.
Fig. 7 is the view that the high-voltage plug of high-tension connector of the present invention and high-tension terminal plug.
Fig. 8 is the enlarged drawing in A portion in Fig. 7.
Fig. 9 is the high-voltage plug of high-tension connector of the present invention and high-tension terminal view when removing expendable locked.
Figure 10 is the enlarged drawing in B portion in Fig. 9.
Embodiment
By describing technology contents of the present invention, structural feature in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with execution mode.
High-tension connector of the present invention is made up of high-voltage plug 100 and high-tension terminal 200.
High-voltage plug 100 as shown in Figure 1-Figure 3, comprises plug plastic casing 110, plug shield layer 120, plug plastic inner shell 130, cap 140, sealing ring 150, contact pin 160, buckle 170, plug inner casing pressing plate 180, locking sliding block 190 and cable claw 1A0.Plug plastic inner shell 130 is positioned at plug plastic casing 110; Plug shield layer 120 is closely arranged between plug plastic inner shell 130 and plug plastic casing 110, and the complete coated plug plastic inner shell 130 of plug shield layer 120; Plug plastic inner shell 130 offers two through holes, two contact pins 160 are plugged in the two through hole of plug plastic inner shell 130; Through hole is stretched out in one end of two contact pins 160, and the plug inner casing pressing plate 180 be arranged in plug plastic casing 110 is supported, and plug plastic inner shell 130 and plug inner casing pressing plate 180 coordinate with fixing plug pin 160; Contact pin 160 is electrically connected with cable.Further, the side of plug plastic inner shell 130 has grafting chamber 110a, and the other end of contact pin 160 stretches out through hole and gos deep in the 110a of grafting chamber.
Sealing ring 150 is arranged in plug plastic casing 110, and particularly, sealing ring 150 is socketed on plug shield layer 120, and cap 140 is plugged in one end of plug shield layer 120.One end and the sealing ring 150 of cap 140 abut against with fixed seal ring 150, and make to extract in the process of high-tension terminal 200 at high-voltage plug 100, sealing ring 150 can not be taken out of, dropped, and ensure that water resistance.
Cable claw 1A0 is plugged in the other end of plug plastic casing 110, when cable stretch into be electrically connected with contact pin 160 in plug plastic casing 110 time, cable claw 1A0 fixes this cable, rock to prevent cable or rotate, and stop cable sheath to retreat, thus prevent electric leakage, improve fail safe.
Buckle 170 comprises the first buckle 170a and the second buckle 170b, first buckle 170a and the second buckle 170b is operably connected to plug plastic casing 110 respectively, arrange from bottom to top in the direction that first buckle 170a and the second buckle 170b extracts high-tension terminal 200 along high-voltage plug 100, the direction that the line namely between the first buckle 170a and the second buckle 170b and high-voltage plug 100 extract high-tension terminal 200 is in a certain angle.
High-tension terminal 200 as Figure 4-Figure 6, comprises socket plastic casing 210, jack shield layer 220, socket plastic inner shell 230, sealing ring 240, jack 250 and socket inner casing pressing plate 260.Socket plastic inner shell 230 is positioned at socket plastic casing 210; Jack shield layer 220 is arranged at socket and moulds between inner casing 230 and socket plastic casing 210, and the complete coated socket plastic inner shell 230 of jack shield layer 220; Socket plastic inner shell 230 offers two through holes, two jacks 250 are plugged in the two through hole of socket plastic inner shell 230; Through hole is stretched out in jack 250 one end, and the socket inner casing pressing plate 260 be arranged in socket plastic casing 210 is supported, and described socket plastic inner shell 230 and socket inner casing pressing plate 260 coordinate with fixed jack 250; Jack 250 is electrically connected with cable.Further, be provided with between a side of jack shield layer 220 and a side of socket plastic casing 210 and dock chamber 210a.
Socket plastic casing 210 is provided with holding section 211, and holding section 211 comprises the first holding section 211a corresponding with the first buckle 170a and the second holding section 211b corresponding with the second buckle 170b.Identical with the first buckle 170a, the second buckle 170b, arrange from bottom to top in the direction that first holding section 211a and the second holding section 211b extracts high-tension terminal 200 along high-voltage plug 100, the direction that the line namely between the first holding section 211a and the second holding section 211b and high-voltage plug 100 extract high-tension terminal 200 is in a certain angle.Further, the distance of the first buckle 170a and the second buckle 170b in the plug orientation of high-voltage plug 100 and high-tension terminal 200 is greater than the distance of the first holding section 211a and the second holding section 211b in the plug orientation of high-voltage plug 100 and high-tension terminal 200.Accordingly, the engaging between the first buckle 170a with the first holding section 211a, separate with the engaging between the second buckle 170b and the second holding section 211b, and asynchronously engage.Between the grafting completely of high-voltage plug 100 and high-tension terminal 200, two cables during current lead-through, the second buckle 170b and the second holding section 211b forms first time snap lock; Remove first time snap lock, when high-voltage plug 100 is extracted high-tension terminal 200 1 segment distance, the first buckle 170a and the first holding section 211a forms second time snap lock.
In the present embodiment, first buckle 170a and the second buckle 170b is the engaging finger being articulated in plug plastic casing 110, first buckle 170a and the second buckle 170b stretches into plug plastic casing 110, and one end stretch into inside plug plastic casing 110 with holding section 211 phase clamping, the other end of the first buckle 170a and the second buckle 170b stretches out the outside of plug plastic casing 110.Operate the external part be positioned at outside plug plastic casing 110 of the first buckle 170a or the second buckle 170b, drive the first buckle 170a or the second buckle 170b opposing plug plastic casing 110 pivotable with the engaging of release with holding section 211.
In the present embodiment, the first holding section 211a and the second holding section 211b is two projections that socket plastic casing 210 protrudes out formation laterally, and is fastened by the side of projection and buckle 170.
Locking sliding block 190 is slidably connected to plug plastic casing 110, and the operating side of locking sliding block 190 is stretched out outside plug plastic casing 110.Locking sliding block 190 has two drive ends and two drive ends ejection first buckle 170a and the second buckle 170b respectively, with the action trend making the first buckle 170a and the second buckle 170b perseverance have engaging holding section 211, prevent because the reasons such as vibrations cause engaging to be lost efficacy.
Contact pin 160 and plug plastic inner shell 130 dismantled and assembled with plug plastic casing 110.Same, jack 250 and socket plastic inner shell 230 also dismantled and assembled with socket plastic casing 210.Accordingly, the plug plastic inner shell 130 of holes and two contact pins 160 can be dismantled, and replace with plug plastic inner shell and three contact pins in three holes, same, the socket plastic inner shell 230 of holes and two jacks 250 are dismantled and replaced with socket plastic inner shell and three contact pins in three holes, can realize connecting three-core cable.
Shown in composition graphs 7-Fig. 8, high-voltage plug 100 grafting relative to high-tension terminal 200, jack shield layer 220, socket plastic inner shell 230 and jack 250 enter in the 110a of grafting chamber, and contact pin 160 inserts in jack 250 to realize the electrical connection of two cables; Meanwhile, plug shield layer 120, plug plastic inner shell 130 together enter in docking chamber 210a together with sealing ring 150, cap 140.Now, second holding section 211b and the second buckle 170b fastens, first holding section 211a and the first buckle 170a is separated, locking sliding block 190 ejection first buckle 170a and the second buckle 170b, the first buckle 170a and the second buckle 170b is made all to have the action trend of engaging holding section 211, to lock the engaging of the second holding section 211b and the second buckle 170b.
When unpluging high-voltage plug 100 with high-tension terminal 200, shown in composition graphs 9-Figure 10, operation locking sliding block 190 discharges the ejection to the first buckle 170a and the second buckle 170b, press the second buckle 170b and stretch out one end outside plug plastic casing 110, the other end of the second buckle 170b is departed from and the engaging of the second holding section 211b; By high-voltage plug 110 to departing from the direction drawing with the grafting of high-tension terminal 200, discharge the operation to locking sliding block 190 simultaneously, locking sliding block 190 is ejection first buckle 170a and the second buckle 170b again, makes the first buckle 170a and the second buckle 170b all have the action trend of engaging holding section 211; After high-voltage plug 100 extracts high-tension terminal 200 one end distance, the first buckle 170a and the first holding section 211a abuts against, and realizes the second time engaging of high-voltage plug 100 and high-tension terminal 200.Now, contact pin 160 exits jack 250 as shown in Figure 10, and two cables disconnect electrical connection, and systems axiol-ogy starts to breakage of circuit, automatically stops the power supply to two cables.Now, operation locking sliding block 190 discharges the ejection to the first buckle 170a and the second buckle 170b again, press the first buckle 170a and stretch out one end outside plug plastic casing 110, the other end of the first buckle 170a is departed from and the engaging of the first holding section 211; High-voltage plug is extracted high-tension terminal.
According to high-tension connector provided by the invention, high-voltage plug 100 is provided with buckle 170, high-tension terminal 200 is provided with holding section 211, at least one in buckle 170 and holding section 211 arranges two, therefore, in the process that high-voltage plug 100 and high-tension terminal 200 are extracted mutually, buckle 170 and holding section 211 fasten in two positions, namely, high-voltage plug 100 and high-tension terminal 200 completely grafting time fasten, a segment distance is extracted by relative with high-tension terminal 200 for high-voltage plug 100, again engage after high-voltage plug 100 and high-tension terminal 200 disconnect electrical connection, thus improve the fail safe of high-tension connector operation.Further, when high-voltage plug 100 and high-tension terminal 200 second time engage, systems axiol-ogy disconnects electrical connection to high-voltage plug 100 and high-tension terminal 200, automatically stops powering to two cables, the fail safe of further guarantee high-tension connector operation, prevents the generation of security incident.
Above disclosedly be only the preferred embodiments of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalent variations that the present patent application the scope of the claims is done, still belong to the scope that the present invention is contained.