CN216981444U

CN216981444U - High-voltage distribution box and wiring terminal thereof

Info

Publication number: CN216981444U
Application number: CN202123393950.XU
Authority: CN
Inventors: 邵肖肖; 张红涛; 孙书伟; 宋成
Original assignee: Zhengzhou Shenlan Power Technology Co Ltd
Current assignee: Zhengzhou Shenlan Power Technology Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-15
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to a high-voltage distribution box and a wiring terminal thereof, wherein the high-voltage distribution box comprises a box body, more than two wiring terminals are installed on the box wall of the box body, each wiring terminal comprises an insulator fixedly connected with the box wall and a conductive post embedded in the insulator, one end of each conductive post extends into the box body and is electrically connected with the conductive bar in the box body, the other end of each conductive post extends out of the box body and is used for wiring, a sealing cover shell is also installed on the box wall of the box body, each wiring terminal is hermetically covered by the sealing cover shell, an openable sealing plate is arranged on the sealing cover shell to facilitate the disassembly and the wiring of the wiring terminals, cable sealing components are installed on the sealing cover shell, the number of the cable sealing components is equal to that of the wiring terminals, and cables penetrate through the cable sealing components and are connected with the wiring terminals when in use; through this binding post and cable connection, and seal through sealed housing, reduced sealed face, improved the installation effectiveness, the total cost of manufacture is lower.

Description

High-voltage distribution box and wiring terminal thereof

Technical Field

The utility model relates to the field of high-voltage accessories of new energy automobiles, in particular to a high-voltage power distribution system, and specifically relates to a high-voltage power distribution box and a wiring terminal thereof.

Background

A high-voltage Distribution box (Power Distribution Unit PDU for short) is a current Distribution device, which is internally and mainly integrated with components such as a copper bar, a relay, a Hall sensor, a shunt, a fuse, a wire harness, a control panel and the like, and is externally interconnected with all systems of the whole vehicle through a wire connector.

With the continuous popularization of new energy automobiles in the field of commercial vehicles, various commercial vehicles are gradually converted into pure electric power by traditional oil vehicles, for a high-voltage distribution box of the existing pure electric commercial vehicle battery system, such as a standardized high-voltage distribution box disclosed in a patent document with the publication number of CN212148722U and a universal double-branch high-voltage distribution box disclosed in a patent document with the publication number of CN214492774U, the connection with an external cable is realized by arranging a high-voltage connection terminal box on the side surface of a box body of the distribution box, the high-voltage connection terminal box is a wire connector, the wire connector comprises a base and an upper cover, an L-shaped conductive bar is fixedly arranged on the base, the L-shaped conductive bar penetrates out of the bottom surface of the base, a flange sealing component is arranged on the side surface of the base, when the wire connector is connected with the wire, the upper cover is firstly opened, and then the wire penetrates through the flange sealing component and enters an inner cavity of the base, fixedly connecting a cable terminal and the L-shaped conductive bar through a bolt by opening an operation space formed by the upper cover, and then sealing and fixing the upper cover on the base; when installing the connector on the block terminal box body, make the electrically conductive row of connector pass the trompil on the block terminal box body side and get into the block terminal box body and electrically conductive row fixed connection of adaptation, simultaneously, fix the base of connector on block terminal box body side through the screw in the block terminal box body to realize the inlet wire or the outlet wire of high voltage distribution box through the connector.

For the wire connector, because a plurality of wire connectors are often required to be installed on the high-voltage distribution box, and each wire connector is independently and fixedly installed, a plurality of installation holes are required to be formed in a box body of the distribution box, so that the sealing protection effect is difficult to ensure, and the strength of the box body is reduced; meanwhile, each wire connector is provided with an upper cover, and each upper cover needs to be installed in a sealing mode, so that more sealing surfaces are formed, and the risk of protection failure is increased; in addition, the independent wire connector is high in development cost, and the design cost of the whole distribution box can be increased; and the wiring harness can only be penetrated after the upper cover needs to be opened by the connector, the installation efficiency of the distribution box can be reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-voltage distribution box, which aims to solve the technical problems that the conventional high-voltage distribution box is high in cost and easy to protect and lose efficacy; the utility model aims to provide a wiring terminal suitable for the high-voltage distribution box.

The technical scheme of the high-voltage distribution box is as follows:

the utility model provides a high-voltage distribution box, comprises a box bod, install binding post more than two on the box wall of box body, binding post more than two arranges in rows, binding post includes the insulator with box wall fixed connection and inlays the leading electrical pillar of dress in the insulator, the one end of leading electrical pillar stretches into in the box body, and be connected with the leading electrical pillar electricity in the box body, the other end that leads electrical pillar stretches out the box body and is used for the wiring, still install the seal housing on the box wall of box body, the seal housing is equipped with including each binding post seal housing, be equipped with the shrouding that can open on the seal housing, so that binding post's dismouting and wiring, install cable seal assembly on the seal housing, the quantity of cable seal assembly equals with binding post's quantity, the cable passes cable seal assembly and is connected with binding post during the use.

Has the beneficial effects that: the connection of the cable is realized through the wiring terminals and the cable sealing component which are respectively arranged, and meanwhile, the wiring terminals are arranged in a cover matched and sealed manner, so that the sealing performance of the sealed cover can be ensured to form reliable sealing protection for the wiring terminals, compared with the existing scheme of adopting the wiring connectors which are independently arranged, the sealing installation process of the upper covers of the wiring connectors is not only cancelled, the operation times are reduced, the installation efficiency is improved, the sealing surface is reduced, the risk of failure of protection is reduced, the sealed cover can also strengthen the part of the box wall for fixing the wiring terminals, and meanwhile, the wiring terminals formed by embedding the conductive columns in the insulator are matched with the separated cable sealing component to realize cable connection, and the sealed protection structure formed by the sealed cover is low in overall manufacturing cost.

Further, the insulator is an insulating flange plate, the insulating flange plate is used for being fixedly connected with the box wall, an insulating cylinder body is arranged in the middle of the insulating flange plate, two ends of the insulating cylinder body extend towards two sides of the disc surface of the insulating flange plate respectively, the conductive columns are embedded in the insulating cylinder body, connecting screw holes are formed in two end surfaces of the conductive columns respectively and used for wiring through crimping screws, a holding lug plate extending perpendicular to the disc surface is arranged on the side of the insulating cylinder body on the disc surface of the insulating flange plate, and the holding lug plate is located between the conductive columns of the two adjacent wiring terminals.

Has the advantages that: through set up the connection screw on leading electrical pillar, pass through line ball screw connection with the cable with leading electrical bar respectively, connect reliably, high durability and convenient operation, simultaneously, through set up between two adjacent binding post lead electrical pillar and control the otic placode, not only make things convenient for personnel to hand to carry out binding post connection operation on the box wall, moreover, control the otic placode and can separate two binding post lead electrical pillar, keep off between two adjacent binding post lead electrical pillar's cable, prevent that it from leaning on together each other, avoid the risk of short circuit.

Further, the holding lug plate is arranged at the edge position of the insulating flange plate.

Has the advantages that: the lug plate is held in the edge position setting of insulating flange dish, hinders when avoiding personnel to hand and leads the connection operation on the electrical pillar, simultaneously, avoids increasing the size of insulating flange dish.

Furthermore, the insulating flange plate is a rectangular flange plate, flange connecting holes in the rectangular flange plate are located at four corners of the rectangular flange plate, and the holding lug plate extends along one side of the rectangular flange plate and is located at the middle position of the side.

Has the advantages that: the insulating flange plate is arranged to be rectangular, so that the arrangement space on the box wall can be fully utilized for fixing reliably, the holding lug plate is arranged in the middle of the edge of the rectangular flange plate, the forming is convenient, and the connection operation of the corner flange connecting hole is not influenced.

Furthermore, a wall structure is arranged on the outer side of each flange connecting hole on the disk surface of the rectangular flange plate, the wall structure and the holding lug plate are positioned on the disk surface on the same side of the rectangular flange plate, the height of the wall structure is lower than the extending height of the insulating cylinder body on the side of the rectangular flange plate provided with the holding lug plate, and the wall structure is used for surrounding the head of a mounting screw penetrating in the flange connecting hole inside.

Has the advantages that: through setting up the leg structure, can separate installation screw head with leading electrical pillar, simultaneously, also can realize separating between cable and the screw head and keep off, improve insulating barrier propterty.

Furthermore, the wall structure is a C-shaped wall which semi-surrounds the flange connecting hole, and the opening of the C-shaped wall faces to the corner of the rectangular flange and faces away from the axis of the insulating cylinder.

Has the advantages that: through the semi-surrounding structure of the C-shaped surrounding wall, the effect of separating the head of the mounting screw from the external conductive piece can be achieved, and the fixed connection operation of the mounting screw can be facilitated.

Furthermore, the corner of the rectangular flange is positioned inside the circle of the outer peripheral surface of the C-shaped surrounding wall.

Has the advantages that: the distance between the C-shaped surrounding wall and the corner edge of the rectangular flange plate can be reduced, and the size of the rectangular flange plate is favorably reduced.

Furthermore, two ends of the C-shaped surrounding wall are respectively connected with two adjacent edges of the rectangular flange.

Has the advantages that: the space on the rectangular flange plate is fully utilized, so that the C-shaped surrounding wall can surround the mounting screw in a larger range, and the insulating and protecting performance is improved.

Furthermore, two opposite side edges of the holding lug plate are connected with the end parts of the C-shaped surrounding walls at two sides of the holding lug plate.

Has the advantages that: the holding lug plate is connected with the C-shaped surrounding walls on the two sides of the holding lug plate, so that the integrated forming is facilitated, and meanwhile, no interval exists between the holding lug plate and the C-shaped surrounding walls on the two sides of the holding lug plate, so that the electric protection performance is improved.

Furthermore, the height of the holding lug plate is greater than the extending height of the conductive column on the side of the insulating flange provided with the holding lug plate.

Has the advantages that: the control lug plate is high in height, so that the control lug plate is convenient for a person to hold, and meanwhile, the two adjacent wiring terminals can be better separated from each other through the conductive posts.

The technical scheme of the wiring terminal of the high-voltage distribution box is as follows:

the utility model provides a binding post of high voltage distribution box, includes the insulator and inlays the conductive post of dress in the insulator, the insulator is insulating ring flange, insulating ring flange be used for with installation panel fixed connection, insulating ring flange's middle part is equipped with insulating cylinder, and insulating cylinder's both ends extend towards insulating ring flange's quotation both sides respectively, lead the electrical pillar and inlay in insulating cylinder, be equipped with the connection screw on leading the both ends face of electrical pillar respectively, connect the screw and be used for wiring through the crimping screw.

Has the advantages that: through inlay the binding post that the dress led electrical pillar to form in the insulator, set up the connection screw on leading electrical pillar to pass through the line ball screw with the cable respectively and be connected, connect reliably, convenient operation carries out the wiring of high voltage distribution box through such binding post moreover, and the total cost of manufacture is lower.

Furthermore, a holding lug plate extending perpendicular to the disc surface is arranged on the disc surface of the insulating flange disc beside the insulating cylinder, and the holding lug plate is used for being positioned between the conductive columns of the two adjacent wiring terminals when the wiring terminals are arranged on the installation panel of the high-voltage distribution box side by side.

Has the advantages that: through set up between the conductive post of two adjacent binding post and hold the otic placode, not only make things convenient for the handheld connection operation of carrying out binding post on the box wall of personnel, moreover, hold the otic placode and can keep off the separation of conductive post of two binding posts between the cable on adjacent two binding post's the conductive post, prevent that it from leaning on each other together, avoid the risk of short circuit.

Drawings

Fig. 1 is a schematic structural view of a high voltage distribution box according to an embodiment 1 of the present invention when a closing plate is opened;

FIG. 2 is an elevation view of FIG. 1 with the closure plate removed;

FIG. 3 is a backside internal view of FIG. 1;

FIG. 4 is a side view of the closure panel of FIG. 1 shown unopened;

fig. 5 is a front view of the wire connecting terminal of fig. 1;

FIG. 6 is a left side view of FIG. 4;

FIG. 7 is a right side view of FIG. 4;

fig. 8 is a rear view of fig. 4.

In the figure: 1. a box body; 2. a cable sealing assembly; 3. sealing the housing; 31. turning out the edges; 32. closing the plate; 4. a wiring terminal; 41. a conductive post; 42. an insulating flange plate; 421. an insulating tray body; 422. an insulating cylinder; 423. connecting a flange with a hole; 424. a C-shaped surrounding wall; 43. a holding ear plate; 5. a conductive bar; 6. and (5) sealing rings.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, which may be present in embodiments of the present invention, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element identified by the phrase "comprising an … …," or the like, as may occur, does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.

In the description of the utility model, unless otherwise explicitly specified or limited, the term "provided" should be understood broadly, for example, the object provided may be a part of the body, or may be arranged separately from the body and connected to the body, which may or may not be detachable. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.

The present invention will be described in further detail with reference to examples.

Embodiment 1 of the high voltage distribution box of the present invention:

as shown in fig. 1, 2, 3, 4, the high voltage distribution box includes a box body 1, the box body 1 is wholly rectangular and is formed by welding metal plates, a plurality of wiring terminals 4 are installed on a front side box wall of the rectangular box body 1, the wiring terminals 4 are installed on an outer side wall surface of the front side box wall and are in conductive connection with a conductive bar 5 inside the box body 1, the wiring terminals 4 are arranged side by side along a left-right direction, a sealing housing 3 is further fixedly installed on the outer side wall surface of the front side box wall of the box body 1, the sealing housing 3 covers the wiring terminals 4, cable sealing components 2 are arranged on the sealing housing 3, the number of the cable sealing components 2 is equal to that of the wiring terminals 4, the cable sealing components 2 are arranged side by side along the left-right direction and correspond to the wiring terminals 4 one by one, an openable sealing plate 32 is arranged on the sealing housing 3, so that the wiring terminals 4 are fixed on the box body 1 and pass through the cable sealing components 2 to be connected with the wiring terminals 4.

The sealing cover 3 is a rectangular shell integrally, is formed by stamping and is welded on the front side box wall of the box body 1 by adopting a full-welding process, the sealing cover 3 comprises a large cavity shell section and a small cavity shell section, the rear port of the large cavity shell section is hermetically attached to the outer wall surface of the front side box wall of the box body 1, the front port of the large cavity shell section is positioned on the front side wall of the large cavity shell section, the front port of the large cavity shell section is smaller than the rear port of the large cavity shell section, the front side wall of the large cavity shell section is provided with parts positioned on the upper side and the left side and the right side of the front port of the large cavity shell section, the rear port of the small cavity shell section corresponds to the front port of the large cavity shell section, the lower side wall of the small cavity shell section is stepped, so that the front port of the small cavity shell section is smaller than the rear port, and the front port of the small cavity shell section is used for forming a front end operation opening for leading a wiring terminal 4 to extend into the sealing cover 3 to be fixed with the side wall of the box body 1 and carrying out the connection operation of the wiring terminal and the cable, the horizontal wall surface of the stepped lower side wall of the small cavity shell section, which is close to the lower side wall, is flush with the wall surface of the large cavity shell section, so that a fixed installation surface is provided for the cable sealing assembly 2, the cable sealing assembly 2 is a glan head, the glan head is the prior art, and in the embodiment, the structure of the glan head is not described in detail.

An outward turning edge 31 is arranged at an opening at the front end of the small cavity shell section of the sealing cover shell 3, a screw hole is arranged on the outward turning edge 31 so that a sealing plate 32 can be fixed on the outward turning edge 31 through a screw, and a sealing ring 6 is arranged between the sealing plate 32 and the outward turning edge 31 so as to ensure sealing. Meanwhile, an upper side interval and a left and right side interval are formed between the outward turning edge 31 and the front side wall of the large cavity shell section of the sealing housing 3, and a lower side interval is formed between the outward turning edge 31 and the vertical wall surface of the step-shaped lower side wall of the small cavity shell section of the sealing housing 3, so as to accommodate the parts of the screws which fix the sealing plate 32 on the outward turning edge 31 and penetrate the outward turning edge 31 backwards, thereby shielding the screws and being beneficial to reducing the size of the sealing housing 3.

As shown in fig. 5, 6, 7, and 8, the connection terminal 4 includes an insulator and a conductive post 41 embedded in the insulator, one end of the conductive post 41 passes through a conductive post through hole formed on a front side box wall of the box body 1 to extend into the box body 1 and electrically connect with the conductive bar 5 in the box body 1, the other end of the conductive post 41 is located outside the box body 1 and is used for connecting with a cable, two end faces of the conductive post 41 are respectively provided with a connection screw hole, so that one end of the conductive post 41 located outside the box body 1 is fixedly connected with a cable terminal through a crimping screw, and one end of the conductive post 41 located in the box body 1 is fixedly connected with the conductive bar 5 in the box body 1 through a crimping screw.

The insulator is an insulating flange 42, the insulating flange 42 is a rectangular flange, flange connection holes 423 are respectively arranged at four corners of the rectangular flange, and corresponding insulator fixing holes are arranged on the front side box wall of the box body 1, so that the insulating flange 42 is fixed on the front side box wall of the box body 1 through mounting screws. Insulating ring flange 42 includes rectangular insulating disk body 421 and cylindrical insulating cylinder 422, insulating cylinder 422 sets up the middle part at insulating disk body 421, insulating cylinder 422's both ends extend towards insulating ring flange 42's quotation both sides respectively, insulating cylinder 422's both ends are located insulating disk body 421's both sides respectively, it inlays in insulating cylinder 422 and leads the both ends of electrical pillar 41 outstanding with insulating cylinder 422's both ends to lead electrical pillar 41, so that it is reliable to lead electrical pillar 41 and cable terminal to pass through crimping screw pressure contact, it is reliable to lead electrical bar 5 to pass through crimping screw pressure contact with box body 1 in with the electrical pillar.

The disk surface of the insulating disk 421 of the insulating flange 42 is convexly provided with a surrounding wall structure, the surrounding wall structure is a C-shaped surrounding wall 424, and the surrounding wall structure and the end of the conductive column 41, which is used for being connected with a cable, are located at the same side. The C-shaped surrounding wall 424 is provided with four places, set up the four corners position at the rectangular insulation disk body 421 of insulating ring flange 42 respectively, four flange connecting holes 423 one-to-one in four places C-shaped surrounding wall 424 and the rectangular insulation disk body 421 four corners of insulating ring flange 42, C-shaped surrounding wall 424 is located the outside of flange connecting hole 423, the opening of C-shaped surrounding wall 424 is towards the bight of rectangular insulation disk body 421, the axis of insulator 422 is dorsad, C-shaped surrounding wall 424 partly surrounds flange connecting hole 423, can separate the installation screw head in the flange connecting hole 423 with leading electrical pillar 41 through setting up protruding surrounding wall structure, and simultaneously, also can be when the cable is connected to binding post 4, play the effect of keeping off to the cable, and simultaneously, through the breach that half surrounding structure C-shaped surrounding wall 424 left, also can make things convenient for the fixed connection operation to the installation screw.

The height of the C-shaped surrounding wall 424 is lower than that of the front side part of the insulating cylinder 422, which is located on the disc surface of the rectangular insulating disc body 421, and the height of the C-shaped surrounding wall 424 meets the requirement that the head of the mounting screw penetrating into the flange connecting hole 423 is surrounded inside, so that the separation of the head of the mounting screw is ensured, and meanwhile, the connection operation of the crimping screw on the conductive column 41 is not hindered.

The corner of the rectangular insulating tray 421 of the insulating flange 42 is located inside the circle of the outer peripheral surface of the C-shaped surrounding wall 424, so that the distance between the C-shaped surrounding wall 424 and the corner edge of the rectangular flange can be reduced, and the size of the rectangular insulating tray 421 can be reduced. The two ends of the C-shaped surrounding wall 424 are connected to the two adjacent edges of the rectangular flange respectively, so as to fully utilize the space on the rectangular insulating tray 421 to increase the size of the C-shaped surrounding wall 424, so that the C-shaped surrounding wall 424 surrounds the mounting screws to a greater extent, and the protection effect is improved.

The holding ear plate 43 is further disposed on the disk surface of the insulating disk 421 of the insulating flange 42, the holding ear plate 43 is of a flat plate structure, the holding ear plate 43 extends perpendicular to the disk surface and is located at the side of the insulating cylinder 422, the height of the holding ear plate 43 is greater than the extending height of the conductive post 41 at the side of the insulating flange 42 where the holding ear plate 43 is disposed, after each terminal 4 is mounted on the box body 1, the holding ear plate 43 is located between the conductive posts 41 of two adjacent terminals 4, and the holding ear plate 43 not only facilitates the connection operation of the terminals 4 on the box wall, but also enables the conductive posts 41 of two terminals 4 to be separated by the holding ear plate 43 and blocked between the cables on the conductive posts 41 of two adjacent terminals 4, so as to prevent the cables from abutting against each other, and avoid the risk of short circuit. Reinforcing ribs are provided between the grip lug 43 and the insulating cylinder 422 to improve the strength of the grip lug 43.

The holding lug plate 43 is arranged on one side edge of the insulating flange 42 and in the middle of the edge, and the holding lug plate 43 is arranged at the edge position of the insulating flange 42, so that the connection operation on the conductive column 41 is prevented from being hindered when a person holds the insulating flange by hand. The holding ear plate 43 and the C-shaped surrounding wall 424 are located on the same side panel of the rectangular insulating panel body 421 of the insulating flange 42, the holding ear plate 43 is located between two adjacent C-shaped surrounding walls 424, and two opposite side edges of the holding ear plate 43 are connected with the end portions of the C-shaped surrounding walls 424 on two sides of the holding ear plate 43, so that no space exists between the holding ear plate 43 and the C-shaped surrounding walls 424 on two sides thereof, which is beneficial to improving the electrical protection performance.

During the assembly, pack into in the sealed housing 3 with binding post 4 through the opening behind the sealed housing 3 opening shrouding 32, and fix binding post 4's insulating ring flange 42 on the lateral wall of box body 1 through the mounting screw, lead electrical drainage 5 and binding post 4's electrically conductive electrical drainage 41 and pass through the line ball screw connection inside box body 1, pass cable seal assembly 2 with the cable from the below of sealed housing 3 and get into in the sealed housing 3, and then carry out the cable terminal through the opening of sealed housing 3 and lead electrical drainage 41's of binding post 4 and be connected, again with shrouding 32 seal fixation at the opening part of the sealed housing 3 body.

The connection of the cable is realized through the wiring terminals and the cable sealing component which are respectively arranged, simultaneously, the sealing housing is matched to cover each wiring terminal, the sealing performance of the sealing housing is ensured to form reliable sealing protection for each wiring terminal, compared with the prior scheme of adopting each independently arranged wiring connector, the sealing installation process of the upper cover of each wiring connector is not only cancelled, the operation times are reduced, the installation efficiency is improved, the sealing surface is reduced, the risk of protection failure is reduced, simultaneously, the wiring terminal formed by embedding the conductive columns in the insulating body is matched with the separated cable sealing component to realize cable connection, and the sealing protection structure formed by the sealing housing is adopted, and the overall manufacturing cost is lower.

Embodiment 2 of the high voltage distribution box of the present invention:

the present embodiment is different from embodiment 1 in that the insulator in embodiment 1 is an insulating flange, the insulating flange includes a rectangular insulating disk body and a cylindrical insulating cylinder, and a flange connecting hole on the insulating flange is matched with an insulator fixing hole on a box wall to be fixedly connected by a mounting screw. In this embodiment, the insulator is a hollow insulating column, a threaded hole is formed in an end face of one side of the insulating column, a corresponding insulator fixing hole is formed in a wall of the box body, when the connection terminal is fixedly connected to the side wall of the box body, the end face of the connection terminal, which is provided with the threaded hole, is attached to the side wall of the box body, the threaded hole corresponds to the insulator fixing hole, and the mounting screw is screwed into the threaded hole in the end face of the insulating column in the box body.

Embodiment 3 of the high voltage distribution box of the present invention:

the present embodiment is different from embodiment 1 in that embodiment 1 includes a large chamber housing section and a small chamber housing section, so that a space is formed between the everting edge of the sealed housing and the large chamber housing section and the small chamber housing section. In this embodiment, the upper and lower side walls and the left and right side walls of the sealing cover body are both straight walls, and the outward turning edge is opposite to the front side wall of the box body.

Embodiment 4 of the high voltage distribution box of the present invention:

the difference between this embodiment and embodiment 1 is that the cable sealing assembly in embodiment 1 is a glan head, and in this embodiment, the cable sealing assembly is a sealing rubber sleeve, and the sealing rubber sleeve forms a seal between the cable and the sealing housing.

Embodiment 5 of the high voltage distribution box of the present invention:

the difference between the present embodiment and embodiment 1 is that in embodiment 1, the holding lug plate is located at the edge of the insulating flange, and in the present embodiment, the holding lug plate is spaced from the edge of the insulating flange, so that reinforcing ribs are provided on both sides of the holding lug plate.

Example 6 of the high voltage distribution box of the present invention:

the present embodiment is different from embodiment 1 in that the insulator in embodiment 1 is an insulating flange, and the insulating flange includes a rectangular insulating disk body and a cylindrical insulating cylinder body. In this embodiment, the insulator is an insulating flange, and the insulating flange includes a disc-shaped insulating plate body and a cylindrical insulating cylinder body.

Embodiment 7 of the high voltage distribution box in the present invention:

the present embodiment is different from embodiment 1 in that the surrounding wall structure in embodiment 1 is a C-shaped surrounding wall that half surrounds the flange attachment hole, whereas in this embodiment, the surrounding wall structure is a cylindrical surrounding wall that completely surrounds the flange attachment hole in the circumferential direction of the flange attachment hole.

Embodiment 8 of the high voltage distribution box of the present invention:

the difference between this embodiment and embodiment 1 is that in embodiment 1, the holding ear plate is located between two adjacent C-shaped surrounding walls, and two opposite side edges of the holding ear plate are connected to the ends of the C-shaped surrounding walls on two sides of the holding ear plate, while in this embodiment, two opposite side edges of the holding ear plate are flush with two opposite edges of the insulating flange, so that the conducting posts of two adjacent connecting terminals can be better separated by holding the ear plate in a larger area, the holding ear plate is located between the C-shaped surrounding walls and the insulating cylinder, and the opening of the C-shaped surrounding wall faces the holding ear plate.

Embodiment 9 of the high voltage distribution box of the present invention:

this embodiment is different from embodiment 1 in that the cable sealing assembly in embodiment 1 is provided on the lower side wall of the sealing closure, and the closing plate is provided on the front end operation opening of the sealing closure for the terminal mounting and the cable connecting operation. In this embodiment, the sealing cover has a front plate, a front operation opening for installing the connection terminal and performing cable connection operation is formed in an upper portion of a plate surface of the front plate, the sealing plate covers the front operation opening, and a cable sealing assembly is installed on a lower portion of the plate surface of the front plate.

Embodiment 10 of the high voltage distribution box of the present invention:

the present embodiment is different from embodiment 1 in that the holding lug plate in embodiment 1 is provided at one side edge of the insulating flange. In the present embodiment, there are two holding ear plates, and the two holding ear plates are oppositely disposed on two side edges of the insulating disk.

Embodiment 11 of the high voltage distribution box of the present invention:

the present embodiment is different from embodiment 1 in that the grip lug plate is a flat plate in embodiment 1. In this embodiment, the holding ear plate is an arc-shaped plate.

Embodiment 12 of the high voltage distribution box of the present invention:

the difference between this embodiment and embodiment 1 is that, in embodiment 1, the outer side of the flange connection hole is provided with a surrounding wall structure, and the surrounding wall structure is a C-shaped surrounding wall, whereas in this embodiment, the flange connection hole is a counter bore, and the large-diameter section hole wall of the counter bore forms the surrounding wall structure.

The embodiment of the wiring terminal of the high-voltage distribution box comprises the following steps:

the structure of the terminal of the high-voltage distribution box in this embodiment is the same as that described in any of embodiments 1 to 12 of the high-voltage distribution box, and is not described herein again.

Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and equivalents can be made in the technical solutions described in the foregoing embodiments without inventive effort, or some technical features of the present invention may be substituted with equivalents. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-voltage distribution box comprises a box body (1) and is characterized in that more than two wiring terminals (4) are installed on the box wall of the box body (1), the more than two wiring terminals (4) are arranged in rows, each wiring terminal (4) comprises an insulator fixedly connected with the box wall and a conductive column (41) embedded in the insulator, one end of each conductive column (41) extends into the box body (1) and is electrically connected with a conductive bar (5) in the box body (1), the other end of each conductive column (41) extends out of the box body (1) and is used for wiring, a sealing cover shell (3) is further installed on the box wall of the box body (1), each wiring terminal (4) is hermetically covered by the sealing cover shell (3), an openable sealing plate (32) is arranged on the sealing cover shell (3) so as to facilitate the disassembly and the wiring of the wiring terminals (4), and a cable sealing component (2) is installed on the sealing cover shell (3), the number of the cable sealing assemblies (2) is equal to that of the wiring terminals (4), and when the cable sealing assembly is used, the cable penetrates through the cable sealing assemblies (2) and is connected with the wiring terminals (4).

2. The high-voltage distribution box according to claim 1, wherein the insulating body is an insulating flange (42), the insulating flange (42) is used for being fixedly connected with a box wall, an insulating cylinder (422) is arranged in the middle of the insulating flange (42), two ends of the insulating cylinder (422) respectively extend towards two sides of the panel surface of the insulating flange (42), the conductive column (41) is embedded in the insulating cylinder (422), two end surfaces of the conductive column (41) are respectively provided with a connecting screw hole, the connecting screw holes are used for connecting wires through a crimping screw, a holding lug plate (43) which extends perpendicular to the panel surface is arranged on the panel surface of the insulating flange (42) and beside the insulating cylinder (422), and the holding lug plate (43) is arranged between the conductive columns (41) of two adjacent connecting terminals (4).

3. A high voltage distribution box according to claim 2, wherein the gripping lug (43) is located at the edge of the insulating flange (42).

4. A high voltage distribution box according to claim 3, wherein said insulating flange (42) is a rectangular flange, the flange connection holes (423) of the rectangular flange are located at four corners of the rectangular flange, and said holding lug (43) extends along one side of the rectangular flange and is located at a middle position of the one side.

5. The high voltage distribution box according to claim 4, wherein the panel of the rectangular flange is provided with a wall structure at the outer side of each flange connecting hole (423), the wall structure and the holding lug plate (43) are positioned on the same side panel of the rectangular flange, the height of the wall structure is lower than the extending height of the insulating cylinder (422) at the side of the rectangular flange provided with the holding lug plate (43), and the wall structure is used for enclosing the head of the mounting screw penetrating into the flange connecting hole (423).

6. The high voltage distribution box according to claim 5, wherein said enclosure wall structure is a C-shaped enclosure wall (424) semi-enclosing the flanged connection hole (423), the C-shaped enclosure wall (424) opening towards the corners of the rectangular flange, away from the axis of the insulating cylinder (422).

7. A high voltage distribution box according to claim 6, wherein the corners of the rectangular flange are located inside the circle on which the outer peripheral surface of the C-shaped wall (424) is located.

8. The high voltage distribution box according to claim 6, wherein said C-shaped wall (424) is joined at each end to adjacent edges of said rectangular flange.

9. The high voltage distribution box according to claim 6, wherein the opposite side edges of the holding ear plate (43) are connected to the ends of the C-shaped surrounding wall (424) at both sides of the holding ear plate (43).

10. The high voltage distribution box according to any of claims 2 to 9, wherein the height of the gripping lug (43) is greater than the extension of the conductive stud (41) on the side of the insulating flange (42) where the gripping lug (43) is located.

11. The utility model provides a binding post (4) of high voltage distribution box, includes the insulator and inlays the conductive post (41) of dress in the insulator, characterized by, the insulator is insulating ring flange (42), insulating ring flange (42) be used for with installation panel fixed connection, the middle part of insulating ring flange (42) is equipped with insulating cylinder (422), and the both ends of insulating cylinder (422) extend towards the quotation both sides of insulating ring flange (42) respectively, lead conductive post (41) and inlay in insulating cylinder (422), are equipped with the connection screw on the both ends face of leading conductive post (41) respectively, connect the screw and be used for wiring through the crimping screw.

12. A terminal (4) for a high voltage distribution box according to claim 11, characterized in that the insulating flange (42) has a gripping lug (43) on its face, at the side of the insulating cylinder (422), extending perpendicularly to the face, the gripping lug (43) being intended to be positioned between the conducting posts (41) of two adjacent terminals (4) when the terminals (4) are mounted side by side on a mounting panel of the high voltage distribution box.

13. A terminal (4) for a high voltage distribution box according to claim 12, wherein the gripping lug (43) is located at an edge of the insulating flange (42).

14. A terminal (4) for a high voltage distribution box according to claim 13, wherein the insulating flange (42) is a rectangular flange, the flange connection holes (423) of the rectangular flange are located at four corners of the rectangular flange, and the holding lug (43) extends along one side of the rectangular flange and is located at a middle position of the one side.

15. A terminal (4) for a high voltage distribution box according to claim 14, wherein the rectangular flange plate has a wall structure on the outer side of each flange connecting hole (423) on the same side of the rectangular flange plate as the holding lug (43), the wall structure having a height lower than the extension height of the insulating cylinder (422) on the side of the rectangular flange plate where the holding lug (43) is provided, and being adapted to enclose the head of a mounting screw inserted into the flange connecting hole (423) inside.

16. A terminal (4) for a high voltage distribution box according to claim 15, wherein the wall structure is a C-shaped wall (424) which semi-surrounds the flanged connection hole (423), the C-shaped wall (424) opening towards the corner of the rectangular flange, facing away from the axis of the insulator cylinder (422).

17. A terminal (4) for a high voltage distribution box according to claim 16, wherein the corners of the rectangular flange are located inside the circle on which the peripheral surface of the C-shaped wall (424) is located.

18. A terminal (4) for a high voltage distribution box according to claim 16, wherein the C-shaped wall (424) is joined at each end to adjacent edges of the rectangular flange.

19. A terminal (4) for a high voltage distribution box according to claim 16, wherein the opposite side edges of the gripping lug (43) are connected to the ends of the C-shaped surrounding walls (424) on both sides of the gripping lug (43).

20. A terminal (4) according to any one of claims 12 to 19, wherein the height of the gripping lug (43) is greater than the extension of the conducting stud (41) on the side of the insulating flange (42) on which the gripping lug (43) is provided.