CN213366816U - Free-moving large-current insulating base and automobile - Google Patents

Abstract

The utility model is suitable for an insulation technology improves the field, provides a heavy current insulator seat and car of free removal, the heavy current insulator seat of free removal includes insulator seat main part and insulator seat inner core, the insulator seat inner core through its bottom surface spout with the bottom plate surface slide rail cooperation of insulator seat main part is fixed to be located in the insulator seat main part. The large-current insulating base structure realizes that the copper bar can move back and forth by increasing the inner core of the insulating base, thereby facilitating the assembly of products and improving the assembly efficiency. The copper bar comprises soft copper bar and hard copper bar, has realized that the copper bar can freely stretch out and draw back the removal, has satisfied the requirement of controller copper bar adjustable interval. The copper bar is provided with the riveting nut and then assembled in the insulating base, so that the copper bar can move up and down, left and right, and the problem of side mounting of the copper bar of the controller is solved; through the post-assembly of the nuts, the types of the nuts with different specifications can be selected, the product selection is enlarged, the product development period is shortened, and the product development cost is reduced.

Description

Free-moving large-current insulating base and automobile

Technical Field

The utility model belongs to the technical improvement field of the electronic insulation, especially, relate to a free heavy current insulator seat and car that removes.

Background

With the rapid development of the automotive industry, the stability requirements for electrical control systems are very high, wherein the insulating base is used as a link for connecting the motor and the controller, and simple and rapid assembly and reliable connection are required.

The motor and the controller are required to meet the transmission mode of high voltage and large current, can be normally used in the high-temperature and high-humidity environment, and can well meet the connection requirement through the insulating seat with the copper bar and the nut.

The existing insulating seat integrates the copper bar and the nut into a whole, and meets the connection of different motors and controllers through changing the structures and the quantity of the copper bar and the nut and matching the changes of the shapes and the sizes of the fixed bases, so that the insulating seat is widely applied to industries such as communication, vehicle-mounted motor products and the like.

In order to reduce the cost, the existing controllers are produced in a standardized mode, and the motors and the controllers are connected in a unified mode due to different functions and different space sizes of the vehicles, so that higher requirements are provided for the structures of the insulating bases.

The large-current insulating base structure applied at present is mainly a copper bar, nut plastic is formed by injection molding, the copper bar and the nut are fixed in the plastic and cannot freely move up and down, front and back, left and right relative to an insulating base product, so that the connection of the insulating base is limited and influenced, the bottleneck and the reliability of the insulating base structure are required to be further improved, and the selectivity and the diversity of product design are limited sometimes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a free heavy current insulator foot and car that removes aims at solving foretell technical problem.

The utility model discloses a realize like this, a free heavy current insulator seat that removes, free heavy current insulator seat that removes includes insulator seat main part and insulator seat inner core, the insulator seat inner core through its bottom surface spout with the bottom plate surface slide rail cooperation of insulator seat main part is fixed to be located in the insulator seat main part.

The utility model discloses a further technical scheme is: the insulation seat inner core comprises an inner core seat, a copper bar and an upper cover, wherein the copper bar is arranged on the inner core seat, and the upper cover is arranged on the inner core seat.

The utility model discloses a further technical scheme is: the section of the inner core seat is L-shaped, the top surface of the inner core seat is respectively provided with a first inner cavity, a second inner cavity, a third inner cavity and a fourth inner cavity, a first supporting plate is arranged between the first inner cavity and the second inner cavity and on the top surface of the inner core seat between the second inner cavity and the third inner cavity, a first positioning column is arranged on the top surface of the inner core seat between the second inner cavity and the third inner cavity, a second positioning column is arranged on the top surface of the inner core seat between the third inner cavity and the fourth inner cavity, a third positioning column and a fourth positioning column are respectively arranged on the top surfaces of the opposite side walls of the first inner cavity, a fifth positioning column is arranged on the top surface of the side wall of the fourth inner cavity and is opposite to the second positioning column, a second supporting plate is arranged on the top surface of the side wall of the third inner cavity and is opposite to the second supporting plate, and a first inner core slide rail is arranged outside, and a second inner core slide rail is arranged on the outer side of the side wall of the fourth inner cavity, the first inner core slide rail is parallel to the second inner core slide rail, and the top surfaces of the first inner core slide rail and the second inner core slide rail are flush with the top surface of the inner core seat.

The utility model discloses a further technical scheme is: the bottom surface of the inner core seat is provided with a first inner core sliding groove and a second inner core sliding groove, the first inner core sliding groove is parallel to the second inner core sliding groove, the front end of the first inner core sliding groove is of a lead angle structure, and the front ends of the side walls of the first inner core sliding groove and the second inner core sliding groove are of lead angle structures.

The utility model discloses a further technical scheme is: the copper bar includes first hard copper bar, first soft copper bar, the hard copper bar of third, the soft copper bar of second, first nut, second nut and the hard copper bar of second, first hard copper bar passes through first soft copper bar is connected the one end of the hard copper bar of third, the hard copper bar of second is connected through the soft copper bar of second the other end of the hard copper bar of third, first nut is connected the bottom surface of first hard copper bar, the second nut is connected the bottom surface of the hard copper bar of second, be equipped with first through-hole on the first hard copper bar, be equipped with the second through-hole on the hard copper bar of second, be equipped with the first locating hole of copper bar and copper bar second locating hole on the hard copper bar of third.

The utility model discloses a further technical scheme is: the cross section of the upper cover is L-shaped, the bottom surface edge of the upper cover is in a step shape, one end of the bottom surface of the upper cover is of an upper cover opening structure, the bottom surface of the upper cover is further provided with a first convex rib, a second convex rib, a first positioning hole and a second positioning hole, the first convex rib is close to the upper cover opening, the other end of the bottom surface of the upper cover is provided with an upper cover through hole, the second convex rib is close to the upper cover through hole, the first convex rib and the second convex rib are provided with the first positioning hole and the second positioning hole, the first positioning hole is provided with the first positioning wall, the second positioning hole is provided with the second positioning wall, the two opposite side walls of the upper cover through hole are respectively provided with a third positioning hole and a fourth positioning hole, and the other end of the side wall provided with the third positioning hole is provided with.

The utility model discloses a further technical scheme is: the insulation seat main body comprises a main seat body and a baffle plate, and the baffle plate is connected with the main seat body.

The utility model discloses a further technical scheme is: the baffle is including separating baffle, first baffle joint spare and second baffle integrated circuit board union piece are located respectively separate the both ends of baffle, the bottom surface both ends that separate the baffle are equipped with two baffle spouts, four respectively baffle spout parallel arrangement, first baffle joint spare and second baffle integrated circuit board union piece are the same, including baffle buckle and baffle buckle wall, the baffle buckle is connected baffle buckle wall, the inner wall connection of baffle buckle wall separate baffle department and be equipped with the baffle reference column, the front end of baffle reference column is the lead angle structure.

The utility model discloses a further technical scheme is: the outer side face of the main seat body is provided with fixing feet, the inner bottom face of the main seat body is provided with a first main body slide rail and a second main body slide rail, the first main body slide rail is parallel to the second main body slide rail, the inner sides of the two opposite side plates of the main seat body are respectively provided with a first main body slide groove and a second main body slide groove, the first main body slide groove is provided with a first main body through hole, the second main body slide groove is provided with a second main body through hole, the tail end of the first main body slide groove is a first main body groove, and the tail end of the second main body slide groove is a second main body groove.

Another object of the present invention is to provide a car, said car comprises the free moving large current insulation seat.

The utility model has the advantages that: the large-current insulating base structure realizes that the copper bar can move back and forth by increasing the inner core of the insulating base, thereby facilitating the assembly of products and improving the assembly efficiency. The copper bar comprises soft copper bar and hard copper bar, has realized that the copper bar can freely stretch out and draw back the removal, has satisfied the requirement of controller copper bar adjustable interval. The copper bar is provided with the riveting nut and then assembled in the insulating base, so that the copper bar can move up and down, left and right, and the problem of side mounting of the copper bar of the controller is solved; through the post-assembly of the nuts, the types of the nuts with different specifications can be selected, the product selection is enlarged, the product development period is shortened, and the product development cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a freely movable high-current insulating base according to an embodiment of the present invention.

Fig. 2 is an explosion diagram of a product structure of a freely moving high-current insulating base according to an embodiment of the present invention.

Fig. 3 is a first schematic view of the freely movable high-current insulating base according to the embodiment of the present invention.

Fig. 4 is a second schematic view illustrating the separation of the freely movable large-current insulating base according to the embodiment of the present invention.

Fig. 5 is a first schematic view of the insulation seat core according to an embodiment of the present invention.

Fig. 6 is a second schematic view of the insulation seat core according to the embodiment of the present invention.

Fig. 7 is a schematic front view of an inner core print seat according to an embodiment of the present invention.

Fig. 8 is a schematic reverse view of the structure of the inner core print seat according to the embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a copper bar provided by the embodiment of the present invention.

Fig. 10 is a schematic reverse view of the structure of the upper cover according to the embodiment of the present invention.

Fig. 11 is a first schematic structural view of the main base provided in the embodiment of the present invention.

Fig. 12 is a schematic structural diagram of a main seat body according to an embodiment of the present invention.

Fig. 13 is a schematic structural diagram of a baffle according to an embodiment of the present invention.

Detailed Description

Reference numerals: 10-insulating base main body 20-insulating base inner core 101-main base body 102-baffle 201-inner core base 202-copper bar 203-upper cover 2011-first inner cavity 2012-second inner cavity 2013-first positioning column 2014-third positioning column 2015-first support plate 2016-second positioning column 2017-fifth positioning column 2018-fourth inner cavity 2019-notch 20110-second inner core slide rail 20111-third inner cavity 20112-second support plate 20113-first inner core slide rail 20114-fourth positioning column 20115-inner core slide groove lead angle 20116-first inner core slide groove 20117-inner core side wall 20118-inner core slide groove lead angle 20119-second inner core slide groove 20120-inner core slide rail lead angle 2021-first nut 2022-second nut 2023-second hard copper bar 2024- The second soft copper busbar 2025, the third hard copper busbar 2026, the first soft copper busbar 2027, the first hard copper busbar 2028, the second copper busbar hole 2029, the first copper busbar hole 20210, the first positioning hole 20211 of the copper busbar, the second positioning hole 2031 of the copper busbar, the top cover opening 2032, the first convex rib 2033, the second positioning hole 2034, the second positioning wall 2035, the first positioning wall 2036, the first positioning hole 2037, the second convex rib 2038, the top cover through hole 2039, the top cover welding wire 20310, the third positioning hole 20311, the fourth positioning hole 20312, the fifth positioning hole 1011, the first fixing pin 1012, the first body insulating wall 1013, the second fixing pin 1014, the first body groove 1015, the body slide guide angle 1016, the second body slide 1017, the second body slide 1018, the second body through hole 1019, the second body through hole 2033 Body groove 10110-second body insulating wall 10111-third body insulating wall 10112-first body through hole 10113-third fixing foot 10114-first body slide rail 10115-first body slide groove 1021-baffle 1022-second baffle buckle 1023-baffle buckle wall 1024-first baffle buckle 1025-first baffle positioning column 1026-first baffle positioning column guide angle 1027-baffle slide groove

A heavy current insulation seat structure, especially relate to a and suitable for the copper bar to assemble and need the free movement all around up and down, meet the insulating seat connection scheme of high pressure and heavy current transmission at the same time, the structure is that the plastic material is the insulating seat body, including the copper bar with rivet nut, the inner core of insulating seat and upper cover welding; then assembling into the insulating base main body; then clamping with a baffle; the drawing is shown as an explosion drawing of a product in fig. 1, an assembled copper bar drawing is shown as a drawing in fig. 5, and a welding upper cover drawing is shown as a drawing in fig. 7; FIG. 12 shows a snap-fit view of the assembled shutter; fig. 13 shows a finished product. The copper bar comprises a soft copper bar structure and a hard copper bar structure, so that the copper bar can freely stretch and retract; a gap is reserved between the copper bar and the upper cover as well as between the inner core of the insulation seat and the upper cover, so that the copper bar with the riveting nut can move up and down in the insulation seat; a gap is reserved between the insulating seat inner core and the insulating seat main body, and a track is arranged between the insulating seat inner core and the insulating seat main body, so that the welding part can move back and forth in the insulating seat; the requirement of easy assembly of products and the requirement of high-voltage and large-current transmission are met simultaneously, and the stable and reliable connection of the copper bars is guaranteed.

The structure that copper bar and insulating seat inner core can freely remove in the insulating seat satisfies the copper bar connection of motor and controller more convenient, and more diversified makes the product connect more high-efficient and safer and more reliable's requirement to satisfy the product and realize.

The nut is riveted on the copper bar product, so that the nuts with different specifications can be conveniently replaced, the series of products is enriched, the development period of the products is shortened, and the development cost of the products is reduced.

As shown in fig. 1-13, the utility model provides a free large current insulator that removes, free large current insulator that removes includes insulator main part 10 and insulator inner core 20, insulator inner core 20 through its bottom surface spout with the bottom plate surface slide rail cooperation of insulator main part 10 is fixed to be located in the insulator main part 10.

The insulation seat inner core comprises an inner core seat 201, a copper bar 202 and an upper cover 203, wherein the copper bar 202 is arranged on the inner core seat 201, and the upper cover 203 is arranged on the inner core seat 201 in a covering mode.

The cross section of the inner core print 201 is L-shaped, the top surface of the inner core print 201 is respectively provided with a first inner cavity 2011, a second inner cavity 2012, a third inner cavity 20111 and a fourth inner cavity 2018, a first supporting plate 2015 is arranged on the top surface of the inner core print 201 between the first inner cavity 2011 and the second inner cavity 2012, a first positioning column 2013 is arranged on the top surface of the inner core print 201 between the second inner cavity 2012 and the third inner cavity 20111, a second positioning column 2016 is arranged on the top surface of the inner core print 201 between the third inner cavity 20111 and the fourth inner cavity 2018, a third positioning column 2014 and a fourth positioning column 20114 are respectively arranged on the top surface of the opposite side wall of the first inner cavity 2011, a fifth positioning column 2017 is arranged on the top surface of the side wall of the fourth inner cavity 2018, the fifth positioning column 2017 is opposite to the second positioning column 2016, a second supporting plate 20112 is arranged on the top surface of the side wall of the third inner cavity 20111, the second supporting plate 2016 is opposite to the second positioning column 20112, the lateral wall outside of first inner chamber 2011 is equipped with first inner core slide rail 20113, the lateral wall outside of fourth inner chamber 2018 is equipped with second inner core slide rail 20110, first inner core slide rail 20113 with second inner core slide rail 20110 is parallel, the top surface of first inner core slide rail 20113 and the top surface of second inner core slide rail 20110 with the top surface of inner core base 201 flushes.

The bottom surface of inner core seat 201 is equipped with first inner core spout 20116 and second inner core spout 20119, first inner core spout 20116 is parallel with second inner core spout 20119, first inner core spout 20116's front end is the lead angle structure, first inner core spout 20116's lateral wall front end and second inner core spout 20119's lateral wall front end all are the lead angle structure.

The copper bar 202 includes a first hard copper bar 2027, a first soft copper bar 2026, a third hard copper bar 2025, a second soft copper bar 2024, a first nut 2021, a second nut 2022 and a second hard copper bar 2023, the first hard copper bar 2027 is connected to one end of the third hard copper bar 2025 through the first soft copper bar 2026, the second hard copper bar 2023 is connected to the other end of the third hard copper bar 2025 through the second soft copper bar 2024, the first nut 2021 is connected to the bottom surface of the first hard copper bar 2027, the second nut 2022 is connected to the bottom surface of the second hard copper bar 2023, the first hard copper bar 2027 is provided with a first through hole 2029, the second hard copper bar 2023 is provided with a second through hole 2028, and the third hard copper bar 2025 is provided with a first positioning hole 20210 and a second positioning hole 20211.

The cross section of the upper cover 203 is L-shaped, the edge of the bottom surface of the upper cover 203 is step-shaped, one end of the bottom surface of the upper cover 203 is of an upper cover opening 2031 structure, the bottom surface of the upper cover 203 is further provided with a first rib 2032, a second rib 2037, a first positioning hole 2036 and a second positioning hole 2033, the first rib 2032 is adjacent to the upper cover opening 2031, the other end of the bottom surface of the upper cover 203 is provided with an upper cover through hole 2038, the second rib 2037 is close to the upper cover through hole 2038, a first positioning hole 2036 and a second positioning hole 2033 are disposed between the first rib 2032 and the second rib 2037, a first positioning wall 2035 is arranged on the first positioning hole 2036, a second positioning wall 2034 is arranged on the second positioning hole 2033, a third positioning hole 20310 and a fourth positioning hole 20311 are respectively arranged on two opposite sidewalls of the upper cover through hole 2038, a fifth positioning hole 20312 is formed at the other end of the side wall where the third positioning hole 20310 is formed.

The insulating base main body 10 includes a main base body 101 and a baffle plate 102, and the baffle plate 102 is connected to the main base body 101.

Baffle 102 is including separating baffle 1021, first baffle joint spare and second baffle integrated circuit board union piece are located respectively separate the both ends of baffle 1021, the bottom surface both ends that separate baffle 1021 are equipped with two baffle spouts 1027 respectively, four baffle spout 1027 parallel arrangement, first baffle joint spare and second baffle integrated circuit board union piece are the same, including baffle buckle and baffle buckle wall, the baffle buckle is connected baffle buckle wall, the inner wall connection of baffle buckle wall separate baffle department and be equipped with the baffle reference column, the front end of baffle reference column is the lead angle structure.

The outer side surface of the main seat body 101 is provided with fixing feet, the inner bottom surface of the main seat body 101 is provided with a first main body slide rail 10114 and a second main body slide rail 1016, the first main body slide rail 10114 is parallel to the second main body slide rail 1016, the inner sides of two opposite side plates of the main seat body 101 are respectively provided with a first main body slide groove 10115 and a second main body slide groove 1017, the first main body slide groove 10115 is provided with a first main body through hole 10112, the second main body slide groove 1017 is provided with a second main body through hole 1018, the tail end of the first main body slide groove 10115 is a first main body groove, and the tail end of the second main body slide groove 1017 is a second main body groove 10119.

The first inner cavity 2011 may provide a space for the nut to move up and down and left and right. The third internal cavity 20111 and the second internal cavity 2012 can provide a moving space for the soft copper bar to freely stretch and contract. The first soft copper bar 2026 and the second soft copper bar 2024 are both in a V-shaped structure, a plurality of positioning columns are arranged on the top surface of the insulating base inner core 201, the positioning columns play a positioning role when an upper cover is welded, the supporting plates arranged on the positioning columns respectively support corresponding copper bars, the positioning columns and the positioning holes on the copper bars play a role in fixing the copper bars, two nuts are respectively riveted on through holes of the copper bars and then are connected with external copper bars through screws, the central lines of the nuts and the central points of the through holes of the copper bars are on the same straight line, the positioning columns of the insulating base inner core firstly pass through the positioning holes of the copper bars and then are matched with the positioning holes of the upper cover of the insulating base, the copper bars are fixed up and down after the welding with the inner core through the positioning holes and the positioning walls, the positioning holes on the upper cover are formed, the positioning columns of the insulating base inner core firstly pass through the, play and connect fixed action, the first fin of insulator upper cover and the second fin of insulator upper cover, supplementary flexible copper bar is flexible and the vibrations of prevention flexible copper bar are too big. The square hole of the upper cover of the insulating base provides a space for the copper bar to move up and down and left and right. An opening is arranged on the upper cover of the insulating base, a gap is reserved between the upper cover and the copper bar, and a space is provided for the copper bar to move up and down and left and right. After the copper bar is assembled with the inner core and the upper cover are welded, the hard copper bar can stretch and freely move in the direction of the soft copper bar because the hard copper bar is fixed by the positioning hole. After the copper bar is assembled with the inner core and the upper cover are welded, the hard copper bar can stretch and freely move in the direction of the soft copper bar because the hard copper bar is fixed by the positioning hole. When the plurality of insulating seat main body slide rails are respectively matched with the corresponding insulating seat inner core slide grooves, the insulating seat inner core can slide back and forth in the insulating seat main body. The insulating seat main part slide rail lead angle is convenient for insulating seat inner core to slide into the insulating seat main part. When the first main body sliding groove is matched with the corresponding insulating seat inner core sliding rail, the insulating seat inner core can slide back and forth in the insulating seat main body. The depth dimension of the first main body sliding groove is larger than that of the corresponding insulating seat inner core sliding rail, so that the insulating seat inner core can slide back and forth in the insulating seat main body. And when the second main body sliding groove is matched with the corresponding insulating seat inner core sliding rail, the insulating seat inner core can slide back and forth in the insulating seat main body. The depth dimension of the second main body sliding groove is larger than that of the corresponding insulating seat inner core sliding rail, so that the insulating seat inner core can slide back and forth in the insulating seat main body. The main part spout, it is the side opening, can satisfy the insulating seat inner core when sliding around in the insulating seat main part, the upper and lower direction is fixed. And the side wall of the insulating seat main body stops sliding forwards in the insulating seat main body when the side wall of the insulating seat inner core contacts with the side wall of the insulating seat main body. And the insulating seat main body positioning holes are used for fixing the insulating seat when being assembled with the bottom panel. And the plurality of reinforcing ribs of the insulating base main body improve the strength of the insulating base. First baffle buckle and first baffle buckle, insulating seat baffle buckle wall ensure that the insulating seat baffle can not reciprocate in the insulating seat main part. The positioning column of the insulating seat baffle ensures that the insulating seat baffle cannot move up and down and back and forth in the insulating seat main body. The insulating seat baffle positioning column guide angle is convenient for the insulating seat baffle to be easily assembled in the insulating seat main body. The insulating seat baffle sliding groove can be respectively matched with the insulating seat main body sliding rail, and the insulating seat baffle is prevented from moving left and right. Insulating seat main part first square hole, insulating seat first baffle buckle card are in insulating seat main part square hole, ensure that the insulating seat inner core can not withdraw from the insulating seat main part backward, and the insulating seat baffle can not the back-and-forth movement.

The first main part recess of insulating seat ensures that insulating seat baffle buckle back can not surpass insulating seat main part plane, and can not reciprocate.

Insulating seat second main part square hole, insulating seat second baffle buckle card is in insulating seat main part square hole, ensures that the insulating seat inner core can not follow the insulating seat main part and withdraw from backward, and the insulating seat baffle can not the back-and-forth movement.

Insulating seat second main part recess ensures that insulating seat baffle buckle back can not surpass insulating seat main part plane, and can not reciprocate.

First insulating wall and second insulating wall, after the insulating seat equipment is at the base panel, broken off the sharp connection between copper bar and the base panel, increaseed creepage distance, ensure to satisfy the product high-voltage electrical performance requirement between insulating seat and the base panel.

When the external controller copper bar of insulator seat copper bar, its height can the downstream, makes things convenient for controller end copper bar side level equipment to the insulator seat, when locking the screw that corresponds, insulator seat copper bar wall and nut rebound, accomplish controller copper bar or insulator seat copper bar equipment.

When the external controller copper bar of insulator seat copper bar, if the position is misaligned about copper bar and controller end copper bar through-hole, when locking corresponding screw, insulator seat copper bar and nut can the horizontal slip, accomplish motor end copper bar or controller copper bar equipment.

When the external controller copper bar of insulator seat copper bar, if the position is misaligned about copper bar and controller end copper bar through-hole, when locking corresponding screw, insulator seat copper bar and nut can the horizontal slip, accomplish motor end copper bar or controller copper bar equipment.

When the external controller copper bar of insulator seat copper bar, if copper bar and controller end copper bar hole front and back position misalignment, insulator seat copper bar and nut can slide around, lock corresponding screw again, accomplish motor end copper bar or controller copper bar equipment.

First nut, second nut because on the back equipment to the insulator housing product, so the nut of the different specifications of change that can be convenient, change the screw thread specification of nut, enlarged the lectotype of product, richened the series of product.

Another object of the present invention is to provide a car, said car comprises the free moving large current insulation seat.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The freely-moving high-current insulating base is characterized by comprising an insulating base main body and an insulating base inner core, wherein the insulating base inner core is fixedly arranged in the insulating base main body in a matched manner through a bottom surface sliding groove of the insulating base inner core and a bottom plate surface sliding rail of the insulating base main body.

2. The free-moving high current insulator pedestal according to claim 1, wherein the insulator pedestal core comprises an inner core pedestal, a copper bar and an upper cover, the copper bar is disposed on the inner core pedestal, and the upper cover is disposed on the inner core pedestal.

3. The freely movable high-current insulation base according to claim 2, wherein the cross section of the inner core base is L-shaped, the top surface of the inner core base is provided with a first inner cavity, a second inner cavity, a third inner cavity and a fourth inner cavity respectively, a first supporting plate is arranged on the top surface of the inner core base between the first inner cavity and the second inner cavity, a first positioning column is arranged on the top surface of the inner core base between the second inner cavity and the third inner cavity, a second positioning column is arranged on the top surface of the inner core base between the third inner cavity and the fourth inner cavity, a third positioning column and a fourth positioning column are arranged on the top surfaces of the opposite side walls of the first inner cavity respectively, a fifth positioning column is arranged on the top surface of the side wall of the fourth inner cavity, the fifth positioning column is opposite to the second positioning column, a second supporting plate is arranged on the top surface of the side wall of the third inner cavity, and the second supporting plate is opposite to the second positioning column, the outer side of the side wall of the first inner cavity is provided with a first inner core slide rail, the outer side of the side wall of the fourth inner cavity is provided with a second inner core slide rail, the first inner core slide rail is parallel to the second inner core slide rail, and the top surfaces of the first inner core slide rail and the second inner core slide rail are flush with the top surface of the inner core seat.

4. The freely movable large-current insulation base according to claim 3, wherein a first inner core sliding groove and a second inner core sliding groove are formed in the bottom surface of the inner core base, the first inner core sliding groove and the second inner core sliding groove are parallel, the front end of the first inner core sliding groove is of a lead angle structure, and the front end of the side wall of the first inner core sliding groove and the front end of the side wall of the second inner core sliding groove are of lead angle structures.

5. The large-current movable insulator base according to claim 4, wherein the copper bars comprise a first hard copper bar, a first soft copper bar, a third hard copper bar, a second soft copper bar, a first nut, a second nut and a second hard copper bar, the first hard copper bar is connected with one end of the third hard copper bar through the first soft copper bar, the second hard copper bar is connected with the other end of the third hard copper bar through the second soft copper bar, the first nut is connected with the bottom surface of the first hard copper bar, the second nut is connected with the bottom surface of the second hard copper bar, the first hard copper bar is provided with a first through hole, the second hard copper bar is provided with a second through hole, and the third hard copper bar is provided with a first copper bar positioning hole and a second copper bar positioning hole.

6. The free-moving high current insulator base of claim 5, wherein said top cover is L-shaped in cross-section, the edge of the bottom surface of the upper cover is in a step shape, one end of the bottom surface of the upper cover is in an upper cover opening structure, the bottom surface of the upper cover is also provided with a first convex rib, a second convex rib, a first positioning hole and a second positioning hole, the first convex rib is close to the opening of the upper cover, the other end of the bottom surface of the upper cover is provided with an upper cover through hole, the second convex rib is close to the upper cover through hole, a first positioning hole and a second positioning hole are arranged between the first convex rib and the second convex rib, the first positioning hole is provided with a first positioning wall, the second positioning hole is provided with a second positioning wall, and a third positioning hole and a fourth positioning hole are respectively arranged on two opposite side walls of the upper cover through hole, and a fifth positioning hole is arranged at the other end of the side wall provided with the third positioning hole.

7. The free-moving high current insulator pedestal of claim 6, wherein said insulator pedestal body comprises a main pedestal body and a baffle plate, said baffle plate being connected to said main pedestal body.

8. The freely movable large-current insulating base according to claim 7, wherein the baffle comprises a baffle, a first baffle clamping piece and a second baffle clamping piece, the first baffle clamping piece and the second baffle clamping piece are respectively arranged at two ends of the baffle, two baffle sliding grooves and four baffle sliding grooves are respectively arranged at two ends of the bottom surface of the baffle, the first baffle clamping piece and the second baffle clamping piece are arranged in parallel, the first baffle clamping piece and the second baffle clamping piece are identical and comprise a baffle buckle and a baffle buckle wall, the baffle buckle is connected with the baffle buckle wall, the inner wall of the baffle buckle wall is connected with a baffle positioning column arranged at the baffle, and the front end of the baffle positioning column is of a guide angle structure.

9. The freely movable large current insulation base according to claim 8, wherein the outer side surface of the main base body is provided with a fixing leg, the inner bottom surface of the main base body is provided with a first main body slide rail and a second main body slide rail, the first main body slide rail is parallel to the second main body slide rail, the inner sides of two opposite side plates of the main base body are respectively provided with a first main body slide groove and a second main body slide groove, the first main body slide groove is provided with a first main body through hole, the second main body slide groove is provided with a second main body through hole, the end of the first main body slide groove is a first main body groove, and the end of the second main body slide groove is a second main body groove.

10. A motor vehicle, characterized in that it comprises a freely movable high current insulator seat according to any one of claims 1-9.

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