CN218351778U - High-voltage connector insulating fastener and high-voltage fuse type connector - Google Patents

Abstract

The utility model discloses an insulating fastener of high voltage connector and high-voltage fuse type connector, this fastener can be dismantled the buckle between connector insulating housing's input portion and three-layer parted portion, the below of insulating fastener forms the first insulation cavity at the bottom, the top of insulating fastener forms the insulating cavity of second between middle level and upper strata, insulating fastener includes the support body, support body upper portion includes that three setting is used for the fixed built-in nut who corresponds the second electrode of branch to fix the position at the insulating cavity of second, separates by the fastener baffle between the adjacent fixed position, the support body lower part includes that three setting is in the first electrode of branch of first insulation cavity separates the position. The utility model discloses an insulating fastener forms insulating cavity at last downside, and its bottom is used for carrying on spacingly to the branch electrode of first electrically conductive copper bar, and the top is used for fixing the branch electrode of second electrically conductive copper bar, realizes the safety and stability output of three routes branch electrode under insulating casing finite space prerequisite.

Description

High-voltage connector insulating fastener and high-voltage fuse type connector

Technical Field

The utility model relates to a new energy automobile's electrical apparatus connector technical field, concretely relates to insulating fastener of high-pressure connector and high-pressure fuse type connector.

Background

In the fields of hybrid power, electric and other new energy automobiles, a power battery needs to provide electric energy for different functional modules of the automobile, such as an air conditioning module, a sound module and the like, through a high-voltage power distribution device. Guarantee that each module steady operation need use the high voltage connector with safe electric connection who realizes between the inside module of new energy automobile.

Traditional fuse high voltage connector generally includes high voltage input portion, and this high voltage input portion sets up anodal power terminal and negative pole power terminal, and anodal or negative pole power terminal one concatenates with the fuse to play overcurrent protection's effect to high voltage connector and the functional module of connecting, the safe operation of the circuit functional module of protection new energy automobile.

The existing fuse connector does not expand and shunt a power input terminal, and only outputs one path after fuses are connected in series. A plurality of fuse connectors are required to be used between a plurality of functional module modules and the battery in the new energy automobile to realize safe connection, the mounting space in the automobile is limited, the plurality of fuses not only occupy the mounting space, but also have electric potential safety hazards due to overstaffed and disordered circuit connection and limit the capacity of the battery module.

If the power input terminals are expanded and shunted, the multi-path branch electrodes generated by shunting the positive and negative power terminals tend to greatly increase the volume of the high-voltage connector, and occupy the internal installation space of the new energy automobile.

Disclosure of Invention

Based on this, for foretell technical problem in solving the conventional art, the utility model provides a high-pressure fuse type connector with insulating fastener of dismantling the plug, insulating fastener clamps back formation insulating cavity in insulating casing about in, its bottom is used for carrying on spacingly to the branch electrode of first conductive copper bar, and the top is used for fixing the branch electrode of second conductive copper bar, realizes three routes branch electrode's compact installation and safety and stability output under insulating casing finite space prerequisite.

In a first aspect, the utility model relates to an insulating fastener of high voltage connector can dismantle the buckle between the input portion and the three-layer parted portion of the insulating casing of connector, the below of insulating fastener forms first insulation cavity at the bottom, the top of insulating fastener forms the insulating cavity of second between middle level and upper strata, insulating fastener includes the support body, support body upper portion includes that three setting is fixed at the built-in nut that is used for fixed corresponding branch's second electrode of the insulating cavity of second, separates by the fastener baffle between the adjacent fixed position, the support body lower part includes that three setting is in the first electrode isolation position of branch of first insulation cavity.

A second aspect, the utility model relates to a high-pressure fuse type connector, include insulating casing and install insulating fastener, first power terminal, second power terminal, the first electrically conductive copper bar of one minute three and the electrically conductive copper bar of one minute three wherein, insulating casing includes input portion and three-layer separated time portion, insulating fastener can dismantle the buckle and be in between input portion and the separated time portion insulating casing's bottom forms the installation the first insulation cavity of first electrically conductive copper bar, insulating fastener's top forms the installation the second insulation cavity of the fuse of second electrically conductive copper bar and connection, insulating fastener includes the support body, support body upper portion includes three and is used for fixing the fixed position of the built-in nut of second electrically conductive copper bar branch electrode, the support body lower part includes three and is used for spacingly the electrode isolation position of first electrically conductive copper bar branch electrode.

The utility model discloses a high-voltage fuse type connector, simplify inner chamber mounting structure through insulating fastener, form insulating cavity in upper and lower both sides after insulating fastener clamps among insulating casing, its bottom is used for carrying on spacingly to the branch electrode of first electrically conductive copper bar, the top is used for fixing the branch electrode of second electrically conductive copper bar, under insulating casing finite space prerequisite, realize positive and negative three routes branch electrode's compact installation and safety and stability output, provide more distribution module of retrening with the circuit more along separate routes for new energy automobile.

The utility model discloses a high-pressure fuse type connector, first and second power terminal arranges along cable output direction front and back, adopt simple straight line mode to carry out the separated time and lay the output cable from the bottom to the power terminal that is close to output position, connect the fuse as circuit safety insurance from the top to the power terminal who keeps away from output position, the output stairstepping of fuse turns back the middle part and connects the output cable, positive negative pole connecting terminal simple structure and can avoid the intersection of conducting path, guarantee simultaneously that satisfy the safe electrical isolation distance of positive negative pole in the finite space, and simultaneously, the overall design of power terminal and connecting terminal can accomplish the connector minimum under the prerequisite that satisfies the electrical design requirement, adaptable and the compactness requirement of improving the inside distribution of new energy automobile.

The utility model discloses a high-pressure fuse type connector, conductive terminal in the casing adopt the conducting wire design of bolt fastening completely, satisfy the connection reliability requirement to high-pressure connector of the vibration that is severer, impact environment. And at the same time, secure electrical isolation distances.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Wherein:

FIG. 1 is an exploded view of the high voltage fuse type connector of the present invention;

FIG. 2 is a block diagram of the metal shell and the insulating housing shown in FIG. 1;

FIG. 3 is a cross-sectional view of the insulative housing taken along line Q-Q of FIG. 2;

FIG. 4 is a sectional view of the insulative housing taken along line P of FIG. 2;

FIG. 5 is a perspective view of the insulating housing;

fig. 6 is an electrical structure diagram of a double-row output conductive copper bar of the high-voltage fuse type connector of the present invention;

fig. 7 is a three-dimensional structure diagram of the conductive copper bar of the present invention;

fig. 8 is a side view of the conductive copper bar of the present invention;

FIG. 9 is a block diagram of the top of the high voltage fuse type connector of the present invention showing the parallel fuses;

figure 10 is a cross-sectional view of the high voltage fuse type connector of the present invention taken along the line S-S in figure 9;

FIG. 11 is a top view of the insulating fastener of the high voltage fuse type connector of the present invention;

fig. 12 is a bottom view of the insulating fastener of the high voltage fuse type connector according to the present invention.

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 efforts belong to the protection scope of the present invention.

Referring to fig. 1, an exploded view of a high voltage fuse type connector according to the present invention is shown; fig. 2 to 5 are specific structural diagrams of the insulating housing 4 and the metal shell 1 which are fastened to each other. Fig. 6 to 8 are exploded and assembled views of the copper conductive bar. Fig. 11 and 12 are structural views of the insulating clip.

The utility model discloses a high-voltage fuse type connector through using insulating fastener to insulate, keep apart and the layering to the inner chamber in the connector of less volume to realize the bolt installation of three routes positive and negative branch electrode, provide more distribution module more retrencied with the circuit along separate routes for new energy automobile.

The high-voltage connector insulating fastener of the embodiment is detachably buckled between an input part M and a three-layer parting part N of a connector insulating shell 4, a first insulating cavity is formed at the bottom layer below the insulating fastener, a second insulating cavity is formed between the middle layer and the upper layer above the insulating fastener, the insulating fastener 7 comprises a frame body 71, the upper part of the frame body comprises three built-in nut fixing positions 781, 782 and 783 which are arranged in the second insulating cavity and used for fixing corresponding branch second electrodes, the adjacent fixing positions are separated by fastener partition plates 76 and 77, and the lower part of the frame body comprises three branch first electrode separating positions 791, 792 and 793 which are arranged in the first insulating cavity.

The insulating fastener can be used for layering and insulating isolation of the inner cavity of the insulating shell, and can also be used for limiting the first conductive copper bar below and fixing the second conductive copper bar above. The internal installation structure of the insulation shell is fully simplified, the space utilization rate is improved to the maximum extent, and meanwhile, the electrical isolation distance of the conductive circuit between the positive conductive copper bar and the negative conductive copper bar is kept.

The high-voltage fuse type connector of the embodiment comprises an insulating shell 4 and an insulating fastener installed in the insulating shell, a first power terminal A1, a second power terminal A2, a first conductive copper bar 5 with three divisions and a second conductive copper bar 6 with three divisions, wherein the insulating shell 4 comprises an input part M and three layers of division parts N, the insulating fastener 7 can be detachably buckled between the input part M and the division parts N to form a first insulating cavity for installing the first conductive copper bar at the bottom layer of the insulating shell, a second insulating cavity for installing the second conductive copper bar and a connected fuse is formed above the insulating fastener, the insulating fastener 7 comprises a frame body 71, the upper part of the frame body comprises three built-in nut fixing positions 781, 782 and 783 for fixing the branch electrode of the second conductive copper bar, and the lower part of the frame body comprises three electrode separating positions 791, 792 and 793 for limiting the branch electrode of the first conductive copper bar.

The first power terminal and the second power terminal are arranged along the input direction in a high-low manner so as to correspond to the lower layer and the upper layer of the three-layer structure of the connector. In addition, the first power terminal and the second power terminal are arranged in a straight line along the output direction D2 of the cable, the first power terminal is close to the output position S of the cable, and the second power terminal A2 is far away from the output position S.

The overall design of the power terminals and connection terminals of the present embodiment minimizes the connector volume while meeting electrical design requirements. The conductive circuit design of the conductive copper bar completely fixed by the bolt can resist the interference of vibration and impact. In the present embodiment and the following description, the first power terminal is a negative power terminal, and the second power terminal is a positive power terminal. It is to be understood that in another embodiment, the first power terminal is a positive power terminal and the second power terminal is a negative power terminal.

The first power terminal and the second power terminal of this embodiment are arranged along cable output direction straight line around, adopt simple straight line mode to carry out separated time and output to the power terminal that is close to output position S, connect the fuse as circuit safety insurance to the power terminal who keeps away from output direction, and the output stairstepping of fuse is turned back the middle part and is connected the output cable. The connector of the embodiment can be divided into three paths for power distribution, the one-to-three multi-path positive and negative conductive terminals are simple in structure and can avoid crossing, and the space utilization rate inside the connector shell is optimized to meet the safe electrical isolation distance of the positive and negative electrodes under the appropriate space condition.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

Referring to fig. 1, an exploded view of a high voltage fuse type connector according to the present invention is shown.

The connector comprises a metal shell 1, an insulating shell 4, a first conductive copper bar 5, a second conductive copper bar 6, a fuse protective cover 49, a metal upper cover 12 and a secondary locking structure 8.

The metal housing 1 is closed by the metal cover 12 to form the housing of the connector and the full shield device.

Referring to fig. 2, a step surface is disposed in the middle of the metal shell 1, the step surface divides the interior of the metal shell into an upper portion and a lower portion, and a mounting hole is formed in the step surface and a metal plug-in part 112 is formed, the plug-in part is used for introducing a power terminal. The side wall of the metal shell 1 is provided with a plurality of fastening grooves for fixing the insulating housing 4, such as fastening grooves 16 for mounting the insulating housing 4 into the metal shell 1. The metal shell 1 is provided with wire holes in a double-row three-group manner below the buckle groove 16.

As shown in fig. 3 to 5, the insulating case 4 includes an input portion M and a dividing portion N which divides the inside into an upper layer L3, a middle layer L2, and a lower layer L1 by a first insulating spacer 431 and a second insulating spacer 432. The input unit M includes a first electrode 411 at a lower position inside and a second electrode 412 at a higher position outside, two nut fixing positions 451, 452 for connecting the fuse from one end are provided on both sides of the second electrode 412, and three nut fixing positions 461, 462, 463 for connecting the fuse from the other end are provided on the second insulating partition 432.

The input portion M is provided with a first insulating vertical plate 441 and a second insulating vertical plate 442 to partition a fuse mounting space. The wire dividing portion N is provided with a third insulating vertical plate 443 and a fourth insulating vertical plate 444 which are arranged to intersect with the first insulating partition 431 and the second insulating partition 432, and at the same time, two rows of three inner wire holes are formed at the tail portion of the insulating housing 4, and the inner wire holes are aligned with the wire holes of the metal shell 1.

The insulating housing 4 is provided with at least a pair of buckles, such as an upper buckle 481 and a lower buckle 483, on the outer wall. The metal shell 1 has a corresponding snap fit, and the insulating housing 4 is mounted in the metal shell 1, for example, the snap fit 16 is fitted with the corresponding lower snap 483, and the upper snap fit is fitted with the corresponding upper snap 481 to fix and clamp the insulating housing 4 in the metal shell 1.

The insulating fastener 7 is detachably fastened between the input portion M and the dividing portion N, and a first insulating chamber is formed between the first electrode 411 and the lower layer L1 below the insulating fastener 7. A second insulation chamber is formed above the insulation fastener 7 among the second electrode position 412, the middle layer L2 and the upper layer L3. The insulating housing 4 is provided with three built-in nut fixing locations 421, 422, 423 in the first insulating chamber for fixing the branched first electrodes.

Referring to fig. 11 and 12, the insulating fastener 7 includes a frame body 71, an electrode isolation plate 72, and a mounting plate 73. The electrode isolation plate 72 protrudes from one side of the frame body 71. The frame 71 is provided with a first side plate 74 and a second side plate 75 at two sides thereof, and the first side plate 74 is provided with a tenon 741. The second side plate 75 is also provided with a tenon 751. At least one reinforcing tenon 711 is disposed at one end of the frame body 71, and in this embodiment, three reinforcing tenons 711 are disposed.

The mounting plate 73 is provided at the end of the electrode isolation plate 72 and includes a mounting tab 732 that can be inserted into a slot provided in the input portion M of the insulating housing 4. The upper part of the frame body 71 comprises three built-in nut fixing positions 781, 782 and 783 for fixing the branch electrodes of the second conductive copper bar 6. Adjacent fixing locations are separated by a first fastener partition 76 and a second fastener partition 77. The support body lower part sets up three branch electrode isolation position 791, 792, 793 of first conductive copper bar 5 to it is spacing to carry out every fixing nut to first conductive copper bar 5. The first fastening partition 76 has a front limiting step 762 and a rear mounting groove 761. The second fastener partition 77 has a front limit step 772 and a rear mounting groove 771.

Referring to fig. 12, the bottom of the electrode isolation plate 72 is provided with an electrode isolation position 721 of the first power terminal A1, and the two side walls of the insulating housing 4 at the connection position of the input portion M and the wire dividing portion N are provided with side locking holes 471, 472 for matching with corresponding locking tenons.

When the insulating fastener 7 is installed, the installation inserting sheet of the installation plate 73 is inserted into the slot provided in the input portion M of the insulating housing 4, the tenon 741 of the first side plate is buckled into the side buckling hole 471 of the insulating housing 4, the tenon 751 of the second side plate is buckled into the side buckling hole 472 of the insulating housing 4, and the at least one reinforcing tenon 711 is clamped on the clamping table at the edge of the bottom first insulating partition 431, so that a first insulating chamber and a second insulating chamber which are insulated from each other are formed in the insulating housing 4.

The metal shell 1 forms a double-wire-row clamping part 17 and a wire-row protective cover 3 buckled on the double-wire-row clamping part at the arrangement position of two rows of wire holes at the tail part of the insulating shell 4.

As shown in fig. 1, a first seal ring 35 is provided between the double wire row clamping portion 17 and the wire row protection cover 3.

The end of the plug part 112 of the metal shell 1 is clamped with the plug end cover 9. A second sealing ring 99 is disposed between the plugging end cap 9 and the plugging portion 112, the interlocking short-circuiting device 91 and the plugging shielding ring 95 are mounted on the plugging end cap 9, and a plurality of shielding elastic pieces 951 abutting against the inner wall of the plugging portion are formed on the plugging shielding ring, so as to form an integral shielding structure.

Referring to fig. 6, the first copper conductive bar 5 includes a Z-shaped bus bar 51, and further includes a first tab 561, a second tab 562, and a third tab 563 respectively connected to three branch electrodes of the first electrode. The first copper conductive bar 5 is electrically connected to the first power terminal A1.

The second copper conductive bar 6 includes a bus bar 6, a first conductive sheet 661, a second conductive sheet 662, and a third conductive sheet 663. The second copper conductive bar 6 is electrically connected to the second power terminal A2. In the present embodiment and the following description, the first power terminal A1 is a negative power terminal, and the second power terminal A2 is a positive power terminal. It is understood that, in another embodiment, the first power terminal A1 is a positive power terminal and the second power terminal A2 is a negative power terminal.

The first power terminal A1 mounted at the input portion M is electrically connected to the first output cable B1, the second output cable B2, and the third output cable B3 from the lower layer one by three through the bus bar 51.

The second power terminal A2 mounted at the input part M is electrically connected to the first fuse 63, the second fuse 64, and the third fuse 65 from the top by three-in-one by the bus bar 61. The first fuse is connected to a fourth output cable C1 in the middle through a first conducting plate 661 in a stepped folding manner, the second fuse is connected to a fifth output cable C2 in the middle through a second conducting plate 662 in a stepped folding manner, the third fuse is connected to a sixth output cable C3 in the middle through a third conducting plate 663 in a stepped folding manner, and a line row (B1-B3) from the first output cable to the third output cable at the bottom and a line row (C1-C3) from the fourth output cable to the sixth output cable in the middle are arranged in an insulating manner.

The first power terminal A1 and the second power terminal A2 are arranged along the input direction D1 in a high-low mode and arranged in a straight line along the output direction D2 of the cable, and therefore the structure of the inner conductive terminals is fully optimized and simplified. The first power terminal A1 is close to the output position S of the cable, and the second power terminal A2 is distant from the output position S. The power terminal close to the output position S is subjected to branching and output in a simple linear mode, the power terminal far away from the output direction is connected with a fuse serving as a circuit safety fuse, the output end of the fuse is folded in a stepped mode, the middle part of the output end of the fuse is connected with an output cable, the structure of one-to-three multi-path positive and negative electrode conductive terminals is simplified, electrode terminal intersection can be avoided, the space utilization rate inside the connector shell is optimized, and the safe electrical isolation distance of the positive and negative electrodes is met.

Referring to fig. 7 and 8, the specific structure of the conductive copper bar is described as follows:

one end of the first power terminal A1 is provided with a first screw hole. The Z-shaped bus bar 51 includes a stepped body, a first shunt terminal 522, a second shunt terminal 523, and a third shunt terminal 524, and a limiting notch 521 is disposed at an edge of the shunt terminal.

The Z-shaped bus bar 51 forms a terminal fitting space below a body, which fixes the first power terminal A1 to the body by a first electrode screw.

The second power terminal A2 is provided with a second screw hole, the bus bar 61 is provided with three bolt holes 611, 612, 613, and a second electrode screw is inserted through the bolt hole 611 in the middle of the bus bar 61 and is engaged with the second screw hole to fixedly connect the second power terminal A2, the second fuse clip 622 and the multiple elements of the bus bar 61 together.

The first fuse clip 621 is mounted on one side of the bus bar 61 by a first bolt assembly, and the third fuse clip 623 is mounted on the other side of the bus bar 61 by a third bolt assembly. This first conducting plate 661, second conducting plate 662 and third conducting plate 663 all include the ladder and the link of stepping down that form the nut assembly space below, set up the bolt hole on each ladder of stepping down, for example third conducting plate 663 includes the ladder 6631 and the link 673 of stepping down that form the nut assembly space below, set up the bolt hole on each ladder 6631 of stepping down.

The fourth fuse clip 624 is mounted on the abdicating step of the first conductive plate 661 by a fourth bolt assembly, and the fifth fuse clip 625 is mounted on the abdicating step of the second conductive plate 662 by a fifth bolt assembly; the sixth fuse clip 626 is mounted on the abdicating step of the third conductive plate 663 by a sixth bolt assembly.

As shown in fig. 7, the first fuse 63 is detachably held between the first fuse clip 621 and the fourth fuse clip 624 from the top; the second fuse 64 is removably held from the top between the second fuse clip 622 and the fifth fuse clip 625; the third fuse 65 is detachably held between the third fuse clip 623 and the sixth fuse clip 626 from the top.

The first shunt terminal 522 is fixed on the built-in nut fixing position 421 at the bottom of the insulating housing 4 through a seventh bolt assembly and a first lug 561, and is limited by the branch electrode isolation position 791 of the insulating fastener 7, and the first lug 561 is electrically connected to the first output cable B1; the second branch terminal 523 is fixed to the nut fixing position 422 at the bottom of the insulating housing 4 through an eighth bolt assembly and a second lug 562, and is limited by the branch electrode isolation position 792 of the insulating fastener 7, and the second lug 562 is electrically connected to the second output cable B2; the third branch terminal 524 is fixed to the built-in nut fixing position 423 at the bottom of the insulating housing 4 through a ninth bolt assembly and a third lug 563, and is limited by the branch electrode isolation position 793 of the insulating fastener 7, and the second lug 563 is electrically connected to the third output cable B3.

The connecting end of the first conducting strip 661 is fixed to the fixing position 781 of the built-in nut of the insulating fastener 7 via the tenth bolt assembly and the fourth lug 671, and the fourth lug 671 is electrically connected to the fourth output cable C1; the connection end of the second conductive sheet 662 is fixed on the built-in nut fixing position 782 of the insulating fastener 7 through an eleventh bolt assembly and a fifth lug 672, and the fifth lug 672 is electrically connected to the fifth output cable C2; the connection end of the third conductive plate 663 is fixed to the built-in nut fixing position 783 of the insulating fastener 7 through a twelfth bolt assembly and a sixth lug 673, and the sixth lug 673 is electrically connected to the sixth output cable C3.

In this embodiment, all terminals in the insulating housing 4 are fixed by using solid bolts, and the design of the conductive circuit completely fixed by bolts can resist the vibration and impact interference when the new-energy vehicle is used. In order to achieve several bolt fastenings in the limited space of the insulating housing 4, each detail of the conductive terminals is designed to take advantage of the space and reduce the size of the connector.

In the scheme of fully utilizing the space to realize bolt fixing, the structures of the first lug to the sixth lug are the same. As shown in fig. 6, taking the third lug 563 as an example, the third lug 563 is Z-shaped, and includes a lug step 5631 and a lead holder, which form a nut fitting space thereunder. Each lug is connected with the corresponding cable core through a wire clamp and is in shielding connection with the corresponding output cable through an outer shielding ring 593.

It is to be understood that the invention is not limited to the specific embodiments disclosed, but is intended to cover various modifications, equivalent arrangements, and equivalents thereof.

Claims (10)

1. The utility model provides an insulating fastener of high voltage connector, its characterized in that can dismantle the buckle and form between input portion (M) and three-layer part (N) of the insulating casing of connector (4), the below of insulating fastener forms first insulating cavity at the bottom, the top of insulating fastener forms the insulating cavity of second between middle level and upper strata, insulating fastener (7) include support body (71), support body upper portion includes that three setting is used for fixed built-in nut who corresponds branch second electrode fixed position (781, 782, 783) at the insulating cavity of second, separates by fastener baffle (76, 77) between the adjacent fixed position, the support body lower part includes that three setting is in the first electrode of branch of first insulating cavity separates position (791, 792, 793).

2. The insulation fastener for high-voltage connectors as claimed in claim 1, wherein the insulation fastener (7) further comprises an electrode isolation plate (72) and a mounting plate (73), the electrode isolation plate extends out from one side of the frame body, a first side plate and a second side plate are arranged on two sides of the frame body, a fastening tenon is arranged on each of the first side plate and the second side plate, at least one reinforcing fastening tenon (711) is arranged at one end of the frame body, and the mounting plate is arranged at the tail end of the electrode isolation plate and comprises a mounting insert; the front part of each fastener partition plate is provided with a limiting step, and the rear part is provided with a mounting groove.

3. The utility model provides a high-voltage fuse type connector, its characterized in that, includes insulating casing (4) and installs insulating fastener, first power terminal (A1), second power terminal (A2), one minute three first electrically conductive copper bar (5) and one minute three second electrically conductive copper bar (6) wherein, insulating casing (4) are including input portion (M) and three-layer separated time portion (N), insulating fastener can dismantle the buckle and be in between input portion (M) and separated time portion (N) the bottom of insulating casing forms the installation the first insulation cavity of first electrically conductive copper bar, insulating fastener's top forms the installation the second insulation cavity of second electrically conductive copper bar and the fuse of connecting, insulating fastener (7) include support body (71), support body upper portion includes three and is used for fixing the built-in nut fixed position (781, 782, 783) of second electrically conductive branch electrode, the support body lower part includes three and is used for spacingly the electrode isolated position (791, 792, 793) of first electrically conductive copper bar branch electrode.

4. A high-voltage fuse type connector according to claim 3, wherein the first and second power terminals (A1, A2) are fitted from the input portion, and the branching portion divides the inside into an upper layer (L3), a middle layer (L2), and a lower layer (L1) by a first insulating spacer (431) and a second insulating spacer (432).

5. A high-voltage fuse type connector as claimed in claim 3, wherein adjacent fixing positions of the built-in nut are separated by fastener partitions (76, 77), each of which has a front portion provided with a limit step and a rear portion provided with a mounting groove; the insulation shell (4) is provided with three built-in nut fixing positions (421, 422, 423) for fixing the first conductive copper bar branch electrode in the first insulation chamber.

6. The high-voltage fuse type connector according to claim 4, wherein the insulating fastener (7) further comprises an electrode isolation plate (72) and a mounting plate (73), the electrode isolation plate extends from one side of the frame body, a first side plate and a second side plate are arranged on two sides of the frame body, a fastening tenon is arranged on each of the first side plate and the second side plate, at least one reinforcing fastening tenon (711) is arranged at one end of the frame body, and the mounting plate is arranged at the tail end of the electrode isolation plate and comprises a mounting insertion sheet.

7. A high-voltage fuse-type connector as claimed in claim 6, characterized in that the insulating housing (4) is provided with lateral latching holes (471, 472) on both sides at the position where the input portion (M) and the dividing portion (N) are engaged, for engaging with corresponding latches, the at least one reinforcing latch being latched to a latching ledge at the edge of the first insulating partition (431).

8. A high-voltage fuse-type connector according to claim 3, characterized in that the first power terminal (A1) is electrically connected to a first output cable (B1), a second output cable (B2) and a third output cable (B3) from bottom one by three by a busbar (51); the second power terminal (A2) is electrically connected to a first fuse (63), a second fuse (64) and a third fuse (65) from the top by dividing three through a bus bar (61), the first fuse is connected to a fourth output cable (C1) in the middle through a first conducting plate (661) in a step-back manner, the second fuse is connected to a fifth output cable (C2) in the middle through a second conducting plate (662) in a step-back manner, and the third fuse is connected to a sixth output cable (C3) in the middle through a third conducting plate (663) in a step-back manner; the first power terminal and the second power terminal are arranged along the input direction (D1) in a high-low mode and are arranged linearly along the output direction (D2) of the cable, the first power terminal (A1) is close to the output position (S) of the cable, and the second power terminal (A2) is far away from the output position (S).

9. The high-voltage fuse type connector as claimed in claim 8, wherein the first power terminal (A1) is provided at one end with a first screw hole, the Z-shaped bus bar (51) comprises a stepped body, a first shunt terminal (522), a second shunt terminal (523) and a third shunt terminal (524), a terminal fitting space is formed below the body, and the body fixes the first power terminal to the body by a first electrode screw; second power terminal (A2) sets up the second screw, set up three bolt hole on busbar (61), second electrode screw passes the bolt hole in busbar middle part with the cooperation of second screw will simultaneously second power terminal (A2), second fuse press from both sides (622) and busbar (61) fixed connection.

10. A high voltage fuse type connector as claimed in claim 9, characterized in that a first fuse clip (621) is mounted on one side of the bus bar (61) by a first bolt assembly, and a third fuse clip (623) is mounted on the other side of the bus bar (61) by a third bolt assembly; the first conducting plate (661), the second conducting plate (662) and the third conducting plate (663) respectively comprise abdicating steps and connecting ends, wherein nut assembling spaces are formed below the abdicating steps, and each abdicating step is provided with a bolt hole; a fourth fuse clip (624) is mounted on the abdication step of the first conducting plate (661) through a fourth bolt assembly, and a fifth fuse clip (625) is mounted on the abdication step of the second conducting plate (662) through a fifth bolt assembly; a sixth fuse clip (626) is mounted on the abdicating ladder of the third conducting plate (663) through a sixth bolt assembly; the first fuse (63) is detachably clamped from the top between the first fuse clip (621) and the fourth fuse clip (624); the second fuse (64) is removably clamped from the top between the second fuse clip (622) and the fifth fuse clip (625); the third fuse (65) is detachably clamped from the top between the third fuse clip (623) and the sixth fuse clip (626).

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