CN112350127B

CN112350127B - Combined terminal block

Info

Publication number: CN112350127B
Application number: CN202011134565.0A
Authority: CN
Inventors: 毛兵兵
Original assignee: Hokky Electronics Shanghai Co ltd; Hoppy Electronics Shanghai Co ltd; SHANGHAI HOPPY ELECTRONIC ELECTRIC APPLIANCE CO Ltd
Current assignee: Hokky Electronics Shanghai Co ltd; Hoppy Electronics Shanghai Co ltd; SHANGHAI HOPPY ELECTRONIC ELECTRIC APPLIANCE CO Ltd
Filing date: 2020-10-21
Publication date: 2024-07-12
Anticipated expiration: 2040-10-21

Abstract

A combined terminal block comprises a male terminal block and a female terminal block which are connected with each other; the male terminal seat comprises a plurality of first middle piece wiring modules positioned at one side of the male terminal seat, a first middle partition plate arranged between the first middle piece wiring modules, a plurality of second middle piece wiring modules positioned at the other side of the male terminal seat, a first left side piece module and a first right side piece module positioned at two ends of the male terminal seat; the female terminal seat comprises a plurality of third middle piece wiring modules, a second left side piece module and a second right side piece module at two ends of the third middle piece wiring modules, and a second middle partition plate is arranged between the third middle piece wiring modules positioned at one side of the female terminal seat. The invention solves the defects that the design and the structure of the traditional product are not beneficial to simplifying the production operation, simplifies the assembly process and simplifies the wiring of the client.

Description

Combined terminal block

Technical Field

The present invention relates to electrical connectors, and more particularly to a modular terminal block.

Background

The connection terminal is an accessory product for realizing electrical connection, and is industrially divided into the category of connectors. As the degree of industrial automation becomes higher and the industrial control requirements become more stringent and precise, the amount of the terminal blocks used is gradually increased. With the development of the electronic industry, the use range of the wiring terminal is more and more, and the variety is also more and more.

The most widely used at present are hardware terminals, nut terminals, spring terminals, etc. in addition to PCB board terminals. The wiring terminal is used for facilitating connection of wires, and is actually a section of metal sheet sealed in insulating plastic, holes are formed in two ends of the metal sheet, wires can be inserted into the metal sheet, screws are used for fastening or loosening, for example, two wires are required to be connected sometimes and disconnected sometimes, the wires can be connected by the terminal at any time and disconnected at any time, and the wires are not required to be welded or wound together, so that the wiring terminal is convenient and quick. And is suitable for interconnection of a large number of wires, and in the power industry, the special terminal blocks, terminal boxes, all the wiring terminals, single-layer, double-layer, current, voltage, common, breakable and the like are arranged. The area of crimping is to ensure reliable contact and to ensure that sufficient current can be passed.

The current combination terminal block is public, female terminal block butt joint structure, and wherein, the conductive terminal of wiring module or conductive terminal board in the female terminal block are two liang setting, and the left and right sides respectively symmetry sets up two conductive terminal in the wiring module promptly to just can realize connector circuit short-circuit function by these two conductive terminal cooperation.

Along with the rising of the domestic personnel cost, the reduction of the labor cost becomes an important option for reducing the product cost, and the simplified production operation is a natural trend, but the design and the structure of the traditional product are not beneficial to the development of the on-site assembly simplification, and the remodelling is imperative.

Disclosure of Invention

The invention aims to design a combined terminal block, which solves the defect that the design and the structure of the traditional product are not beneficial to simplifying the production operation, simplifies the assembly process and simplifies the wiring of a client.

In order to achieve the above purpose, the technical scheme of the invention is as follows:

A combined terminal block comprises a male terminal block and a female terminal block which are connected with each other; the male terminal seat comprises a plurality of first middle piece wiring modules positioned at one side of the male terminal seat, a first middle partition plate arranged between the first middle piece wiring modules, a plurality of second middle piece wiring modules positioned at the other side of the male terminal seat, a first left side piece module and a first right side piece module positioned at two ends of the male terminal seat;

the first mid-pad wiring module comprises:

a first insulating base, a first conductive terminal slot and a second conductive terminal slot which are L-shaped are arranged on one side surface of the first insulating base up and down, a connecting slot is arranged on the upper, middle and lower parts of the side surface, and a connecting block matched with the connecting slot is convexly arranged on the other side opposite to the side surface; the middle part of the first insulating base is provided with a connecting through hole; the middle part of the plug face of the first insulating base opposite to the female terminal seat is convexly provided with a plug block;

The first conductive terminal and the second conductive terminal are L-shaped and are respectively inserted into the first conductive terminal slot and the second conductive terminal slot of the first insulating base, and two end parts of the first conductive terminal and the second conductive terminal extend outwards from the side surfaces of the first insulating base respectively;

The first middle partition board is provided with a slot matched with the first insulation base connecting block on one side surface, an inserting block matched with the first insulation base connecting slot is arranged on the other opposite side surface in a protruding mode up and down, and a connecting through hole is formed in the middle of the first middle partition board;

the second mid-pad wiring module includes:

The second insulating base mainly comprises a side plate, a front end plate and a bottom plate, wherein the side plate is vertically arranged, and the front end plate and the bottom plate are positioned at the front end of the side plate and are opposite to the female terminal seat; a first mounting platform is arranged on one side, close to the front end plate, of the upper part of the inner side surface of the side plate in a protruding way, and a second mounting platform is arranged on the lower part of the inner side surface of the side plate in a protruding way relative to the other side of the front end plate; the upper, middle and lower parts of the inner side surface of the side plate are respectively provided with a fixed connection slot in a protruding way, and a third conductive terminal slot and a fourth conductive terminal slot which are communicated with the first mounting platform and the second mounting platform, extend and penetrate through the front end plate are formed; the first mounting platform and the second mounting platform are respectively provided with a fixing groove; the outer side surface of the side plate is provided with a fixed connection plug block matched with the fixed connection slot; the center of the side plate is provided with a connecting through hole;

The third conductive terminal comprises a first connecting part and a first inserting part which is formed by bending upwards from one end of the first connecting part and extending forwards; the first connecting part is arranged on the first mounting platform, a connecting nut is arranged in a fixing groove on the first mounting platform, and the first connecting part is fixed on the first mounting platform in a matched manner through the connecting screw and the connecting nut; the first inserting part is inserted into the third conductive terminal slot and extends out of the front end plate;

the fourth conductive terminal comprises a second connecting part and a second inserting part which is bent downwards from one end of the second connecting part and extends forwards; the second connecting part is arranged on the second mounting platform, a connecting nut is arranged in a fixing groove on the second mounting platform, and the second connecting part is fixed on the second mounting platform in a matched manner by the connecting screw and the connecting nut; the second plug-in part is inserted into the fourth conductive terminal slot and extends out of the front end plate;

The inner side surface of the first left side piece module is provided with an inserting block matched with the first insulating base connecting inserting groove of the first middle piece wiring module, and the inner side surface of the first right side piece module is provided with an inserting groove matched with the fixed connecting inserting block of the outer side surface of the second insulating base side plate of the second middle piece wiring module; the centers of the first right side piece module and the first right side piece module are provided with connecting through holes;

The first connecting bolt sequentially passes through the connecting through holes on the first left side sheet module, the first middle sheet wiring module, the second middle sheet wiring module and the first right side sheet module and is locked by the nuts, so that the first left side sheet module, the first middle sheet wiring module, the first middle partition board, the second middle sheet wiring module and the first right side sheet module are connected into a whole;

The female terminal seat comprises a plurality of third middle piece wiring modules and second left side piece modules and second right side piece modules at two ends of the third middle piece wiring modules, and a second middle partition plate is arranged between the third middle piece wiring modules positioned at one side of the female terminal seat;

the third mid-pad wiring module includes:

The third insulating base mainly comprises a base plate, a front plate, a rear plate and a side plate positioned at one side of the base plate; the substrate is opposite to the plug face of the male terminal seat A, and first to third jacks for the plug block, the first and second conductive terminals and the end parts to be inserted are correspondingly arranged on the substrate; the upper part of the inner side surface of the side panel is convexly provided with a connecting block with a connecting through hole, the two sides of the connecting block are symmetrically provided with first fixing convex blocks, and the two sides of the upper part of the outer side surface of the side panel are correspondingly symmetrically provided with second fixing convex blocks; the side surfaces of the front plate, the rear plate and the base plate are provided with connecting grooves, and correspondingly, the two sides and the lower part of the outer side surface of the side plate are provided with connecting convex blocks matched with the connecting grooves on the side surfaces of the front plate, the rear plate and the base plate; the third middle-piece wiring modules are connected with each other, and the first fixing convex blocks and the second fixing convex blocks on the inner side surface and the outer side surface of the side panel of the third insulating base are matched with each other to form a third installation platform which is arranged symmetrically left and right;

the two sides and the upper and lower parts of the second middle partition board are respectively provided with a slot matched with the connecting convex blocks of the third insulating base, the middle part of the second middle partition board is provided with a connecting hole, the upper part of one side surface of the second middle partition board at the two sides of the connecting hole is symmetrically provided with convex blocks corresponding to the first fixing convex blocks at the two sides of the upper part of the inner side surface of the side panel of the third insulating base, and the lower part of the side surface is provided with a connecting convex block matched with the connecting groove of the third insulating base; the second middle partition board is connected with the third insulating base, and the first fixing convex blocks and the convex blocks form two symmetrically arranged fourth mounting platforms;

The two fifth conductive terminals are respectively arranged on the two symmetrically arranged third mounting platforms or fourth mounting platforms; the fifth conductive terminal comprises a first fixing part and a first elastic arm formed by bending downwards from one end of the first fixing part and extending, a first contact part formed at the tail end of the first elastic arm, two first limiting parts which are positioned at the inner side of the first elastic arm and are oppositely arranged and extend outwards from two sides of the upper part of the first elastic arm, and the end parts of the first limiting parts correspond to the first contact part; the second elastic arm is downwards bent and extended from the other end of the first fixing part, the bending part is formed by U-shaped bending and extending from the lower end of the second elastic arm, and the second contact part is formed by extending from one end of the bending part; obliquely extending from the center of the upper part of the second elastic arm to form an elastic pressing sheet positioned between the two first limiting parts; the first fixing parts of the fifth conductive terminals are mounted on a third mounting platform or a fourth mounting platform symmetrically formed by side plates of the third insulating base in a matched manner through bolts and nuts, and the second contact parts of the two fifth conductive terminals are abutted against each other;

The two sixth conductive terminals are respectively arranged on the two symmetrically arranged third mounting platforms or fourth mounting platforms; the sixth conductive terminal comprises a second fixing part and a third elastic arm formed by bending and extending downwards from one end of the second fixing part, a third contact part formed at the tail end of the third elastic arm, and two second limiting parts which are positioned at the inner side of the third elastic arm and are oppositely arranged and are formed by extending outwards from two sides of the upper part of the third elastic arm, wherein the end parts of the second limiting parts correspond to the third contact part; a fourth elastic arm formed by bending and extending downwards from the other end of the second fixing part, and a spring sheet positioned between the two second limiting parts is formed by extending obliquely from the center of the upper part of the fourth elastic arm; the second fixing part of the sixth conductive terminal is arranged on a third mounting platform or a fourth mounting platform symmetrically formed by the side plates of the third insulating base in a matched manner through bolts and nuts;

The inner side surface of the second left side piece module is provided with an inserting block matched with the third insulation base connecting groove of the third middle piece wiring module, and the inner side surface of the second right side piece module is provided with an inserting groove matched with the connecting convex block on the outer side surface of the side plate of the third insulation base of the third middle piece wiring module; the center of the second left side piece module and the center of the second right side piece module are provided with connecting through holes;

The second connecting bolts sequentially penetrate through connecting through holes in the second left side sheet module, the third middle sheet wiring module, the second middle partition plate and the second right side sheet module and are locked by nuts, and the second left side sheet module, the third middle sheet wiring module, the second middle partition plate and the second right side sheet module are connected into a whole.

Preferably, the second elastic arm, the bending part and the second contact part of the fifth conductive terminal are integrally formed as a frame structure.

Preferably, a clamping groove is formed in the center of the top surface of the side panel of the third middle piece wiring module in the female terminal seat, a clamping groove is formed in the center of the top surface of the second middle partition plate, and correspondingly, a clamping plate is arranged to clamp the clamping groove of the side panel and the clamping groove in the center of the top surface of the second middle partition plate, so that the third middle piece wiring module and the second middle partition plate are limited and fixed.

Preferably, the male terminal seat and the female terminal seat are respectively provided with a first cover plate and a second cover plate;

The first cover plate covers the top surfaces of the first middle piece wiring module, the first middle partition plate and the second middle piece wiring module, a first left side piece module and a first right side piece module which are positioned at two ends of the male terminal seat are provided with first cover plate slots for inserting the two ends of the first cover plate, and the two ends of the first cover plate are inserted into the first cover plate slots;

the second cover plate covers the third middle piece wiring module and the top surface of the second middle partition plate; the upper parts of the inner side surfaces of the second left side piece module and the second right side piece module which are positioned at the two ends of the female terminal seat are provided with second cover plate slots for inserting the two ends of the second cover plate, and the two ends of the second cover plate are inserted into the second cover plate slots.

When the male terminal seat and the female terminal seat are separated, the second contact parts of the two fifth conductive terminals in the third middle-piece wiring module of the female terminal seat are abutted against each other, so that a circuit short-circuit function is realized.

When the male terminal seat and the female terminal seat are in butt joint, as the middle part of the grafting surface of the first insulating base in the male terminal seat, which is opposite to the female terminal seat, is convexly provided with the grafting block to be inserted into the first jack of the third insulating base substrate of the third middle-piece wiring module in the female terminal seat, the second contact parts of the two abutted fifth conductive terminals in the third middle-piece wiring module are separated.

In addition, the third contact parts of the two sixth conductive terminals in the third middle-piece wiring module at one side of the female terminal seat are not in abutting contact with each other, so that the female terminal seat has no circuit short-circuit function, and therefore the requirements of various structural forms or functions of customers are met.

The present invention also provides a terminal block, comprising: the middle sheet wiring modules are arranged at one side of the terminal seat, and a middle partition plate is arranged between the middle sheet wiring modules;

The middle piece wiring module comprises:

An insulating base mainly composed of a base plate, a front plate, a rear plate and a side plate positioned at one side of the base plate; the substrate is provided with first to third jacks for inserting the plug blocks and the conductive terminals; the upper part of the inner side surface of the side panel is convexly provided with a connecting block with a connecting through hole, the two sides of the connecting block are symmetrically provided with first fixing convex blocks, and the two sides of the upper part of the outer side surface of the side panel are correspondingly symmetrically provided with second fixing convex blocks; the side surfaces of the front plate, the rear plate and the base plate are provided with connecting grooves, and correspondingly, the two sides and the lower part of the outer side surface of the side plate are provided with connecting convex blocks matched with the connecting grooves on the side surfaces of the front plate, the rear plate and the base plate; the middle-piece wiring modules are connected with each other, and the first fixing convex blocks and the second fixing convex blocks on the inner side surface and the outer side surface of the side panel of the insulating base are matched with each other to form a first fixing platform which is arranged symmetrically left and right;

The two sides and the upper and lower parts of the middle partition board are respectively provided with a slot matched with the connecting lug of the insulating base, the middle part of the middle partition board is provided with a connecting hole, the upper part of one side surface of the middle partition board at the two sides of the connecting hole is symmetrically provided with a lug corresponding to the first fixing lug at the two sides of the upper part of the inner side surface of the side panel of the insulating base, and the lower part of the side surface is provided with a connecting lug matched with the connecting groove of the insulating base; the middle partition board is connected with the insulating base, and the first fixing convex blocks and the convex blocks form two second fixing platforms which are symmetrically arranged;

The two first conductive terminal plates are respectively arranged on the two first or second fixed platforms which are symmetrically arranged; the first conductive terminal plate comprises a first fixing part and a first elastic arm which is formed by bending downwards from one end of the first fixing part and extending, a first contact part which is formed at the tail end of the first elastic arm, and two first limiting parts which are positioned at the inner side of the first elastic arm and are oppositely arranged and extend outwards from two sides of the upper part of the first elastic arm, wherein the end parts of the first limiting parts correspond to the first contact part; the second elastic arm is downwards bent and extended from the other end of the first fixing part, the bending part is formed by U-shaped bending and extending from the lower end of the second elastic arm, and the second contact part is formed by extending from one end of the bending part; obliquely extending from the center of the upper part of the second elastic arm to form an elastic pressing sheet positioned between the two first limiting parts; the first fixing parts of the first conductive terminal plates are arranged on a first or a second fixing platform symmetrically formed by the side plates of the insulating base in a matched manner through bolts and nuts, and the second contact parts of the two first conductive terminal plates are abutted against each other;

The two second conductive terminal plates are respectively arranged on the two first or second fixed platforms which are symmetrically arranged; the second conductive terminal plate comprises a second fixing part and a third elastic arm formed by bending and extending downwards from one end of the second fixing part, a third contact part formed at the tail end of the third elastic arm, and two second limiting parts which are positioned at the inner side of the third elastic arm and are oppositely arranged and extend outwards from two sides of the upper part of the third elastic arm, wherein the end parts of the second limiting parts correspond to the third contact part; a fourth elastic arm formed by bending and extending downwards from the other end of the second fixing part, and a spring sheet positioned between the two second limiting parts is formed by extending obliquely from the center of the upper part of the fourth elastic arm; the second fixing part of the second conductive terminal plate is arranged on a first or second fixing platform symmetrically formed by the side plates of the insulating base in a matched manner through bolts and nuts;

The inner side surface of the left side plate module is provided with an inserting block matched with the connecting groove of the insulating base of the middle plate wiring module, and the inner side surface of the right side plate module is provided with an inserting groove matched with the connecting convex block on the outer side surface of the side plate of the insulating base of the middle plate wiring module; the center of the left side piece module and the right side piece module is provided with a connecting through hole;

The connecting bolts sequentially penetrate through connecting through holes in the left side sheet module, the middle sheet wiring module, the middle partition plate and the right side sheet module and are locked by the nuts to connect the left side sheet module, the middle sheet wiring module, the middle partition plate and the right side sheet module into a whole.

Preferably, the second elastic arm, the bending part and the second contact part of the first conductive terminal plate are integrally structured.

Preferably, the middle piece wiring module is provided with a clamping groove at the center of the top surface of the side panel and a clamping groove at the center of the top surface of the middle partition board, and correspondingly, a clamping board is arranged to clamp the clamping groove of the side panel and the clamping groove at the center of the top surface of the middle partition board, so that the middle piece wiring module and the middle partition board are limited and fixed.

The invention has the beneficial effects that:

Compared with the past structure, the invention improves the conductive terminals or conductive terminal plates of the wiring module in the female terminal seat of the past structure into two conductive terminals which are symmetrically arranged in the left side and the right side of the wiring module (namely, one wiring module comprises four conductive terminals), and can realize the short-circuit function of the connector circuit.

The improvement of the structure simplifies the assembly process and the wiring of the client, thereby facilitating the actual operation and production, shortening the working hours and reducing the cost.

Drawings

Fig. 1 is a perspective view of fig. 1 according to an embodiment of the present invention.

Fig. 2 is a perspective view of fig. 2 according to an embodiment of the present invention.

Fig. 3 is an exploded perspective view of an embodiment of the present invention.

Fig. 4 is a front view of fig. 1.

Fig. 5 is a C-C cross-sectional view of fig. 4.

Fig. 6 is a D-D cross-sectional view of fig. 4.

Fig. 7 is a perspective view of a male terminal block according to an embodiment of the present invention.

Fig. 8 is a perspective view of a male terminal block according to an embodiment of the present invention.

Fig. 9 is an exploded perspective view of the male terminal block according to an embodiment of the present invention.

Fig. 10 is an exploded perspective view of the male terminal holder according to the embodiment of the present invention.

Fig. 11 is a perspective view of a first middle piece connection module, a first middle partition board, and first and second conductive terminals in a male terminal block according to an embodiment of the present invention.

Fig. 12 is a perspective view of a first middle piece connection module and a first middle partition board in a male terminal block according to an embodiment of the present invention.

Fig. 13 is a perspective view of a second mid-pad wiring module in an embodiment of the present invention.

Fig. 14 is an exploded perspective view of a second center piece connection module according to an embodiment of the present invention.

Fig. 15 is a perspective view of a female terminal block according to an embodiment of the present invention.

Fig. 16 is an exploded perspective view of a female terminal block according to an embodiment of the present invention.

Fig. 17 is a perspective view of a third center piece connection module in an embodiment of the present invention.

Fig. 18 is an exploded perspective view of a third center piece connection module in an embodiment of the present invention.

Fig. 19 is a perspective view of a third insulating base in an embodiment of the present invention.

Fig. 20 is a perspective view of a fifth conductive terminal according to an embodiment of the present invention.

Fig. 21 is a perspective view of a third insulating base mated with a sixth conductive terminal in an embodiment of the present invention.

Fig. 22 is a perspective view of a sixth conductive terminal according to an embodiment of the present invention.

Fig. 23 is a perspective view of a second intermediate baffle in accordance with an embodiment of the present invention.

Fig. 24 is a perspective view of a second intermediate baffle in accordance with an embodiment of the present invention.

Detailed Description

Referring to fig. 1 to 24, a combined terminal block of the present invention includes a male terminal block a and a female terminal block B connected to each other;

The male terminal seat A comprises a plurality of first middle piece wiring modules 1 and 1 'positioned at one side of the male terminal seat A, a first middle partition plate 2 arranged between the first middle piece wiring modules 1 and 1', a plurality of second middle piece wiring modules 3 positioned at the other side of the male terminal seat A, a first left side piece module 4 and a first right side piece module 5 positioned at two ends of the male terminal seat A;

the first middle piece wiring module 1 includes:

A first insulating base 11, one side of which is provided with a first and a second L-shaped conductive terminal slots 111, 112 up and down, and the upper, middle and lower parts of the side are provided with a connecting slot 113, and the other side opposite to the side is provided with a connecting block 114 matched with the connecting slot 113 in a protruding way; the middle part of the first insulating base 11 is provided with a connecting through hole 115; the middle part of the plug surface of the first insulating base 11 opposite to the female terminal seat B is convexly provided with a plug block 116;

The first and second conductive terminals 12, 13 are L-shaped and are respectively inserted into the first and second conductive terminal slots 111, 112 of the first insulating base 11, and two ends of the first and second conductive terminals 12, 13 respectively extend outwards from the side surface of the first insulating base 11;

A slot 21 matched with the connecting block 114 of the first insulating base 11 is formed on one side surface of the first middle partition plate 2, an inserting block 22 matched with the connecting slot 113 of the first insulating base 11 is formed on the opposite side surface in a protruding mode up and down, and a connecting through hole 23 is formed in the middle of the first middle partition plate 2;

The second middle tab wiring module 3 includes:

The second insulating base 31 mainly comprises a side plate 311 arranged vertically, a front end plate 312 positioned at the front end of the side plate 311 and opposite to the female terminal block B, and a bottom plate 313; a first mounting platform 314 is protruded on one side of the upper part of the inner side surface of the side plate 311 near the front end plate 312, and a second mounting platform 315 is protruded on the lower part of the inner side surface of the side plate 411 opposite to the other side of the front end plate 312; the upper, middle and lower parts of the inner side surface of the side plate 311 are respectively provided with a fixed connection slot 316 in a protruding way, and a third conductive terminal slot 317 and a fourth conductive terminal slot 318 which are communicated with the first mounting platform 314 and the second mounting platform 315, extend and penetrate the front end plate 312 are formed; the first and second mounting platforms 314 and 315 are respectively provided with fixing grooves 3141 and 3151; the outer side surface of the side plate 311 is provided with a fixed connection plug 319 matched with the fixed connection slot 316; a connecting through hole 3111 is arranged in the center of the side plate 311;

The third conductive terminal 32 includes a first connection portion 321, and a first insertion portion 322 bent upward from one end of the first connection portion 321 and extending forward; the first connecting portion 321 is disposed on the first mounting platform 314, a connecting nut 35 is disposed in a fixing groove 3141 on the first mounting platform 314, and the first connecting portion 321 is fixed on the first mounting platform 314 by matching a connecting screw 34 with the connecting nut 35; the first plugging portion 322 is plugged into the third conductive terminal slot 317 and extends out of the front end plate 312;

The fourth conductive terminal 33 includes a second connection portion 331 and a second inserting portion 332 bent downward from one end of the second connection portion 331 and extending forward; the second connecting portion 331 is disposed on the second mounting platform 315, a connecting nut 35 is disposed in a fixing groove 3151 on the second mounting platform 315, and the second connecting portion 331 is fixed on the second mounting platform 315 by matching a connecting screw 34 with the connecting nut 35; the second plugging portion 332 is plugged into the fourth conductive terminal slot 318 and extends out of the front end plate 312;

the inner side surface of the first left side piece module 4 is respectively provided with an inserting block 41 matched with the connecting slot 113 of the first insulating base 11 of the first middle piece wiring module 1, and the inner side surface of the first right side piece module 5 is provided with an inserting slot 51 matched with the fixed connecting inserting block 319 of the outer side surface of the side plate 311 of the second insulating base 31 of the second middle piece wiring module 3; the centers of the first left side piece module 4 and the first right side piece module 5 are provided with connecting through holes;

The first connecting bolt 6 and the nut sequentially penetrate through the connecting through holes on the first left side plate module, the first middle plate wiring module, the second middle plate wiring module and the first right side plate module and are locked by the nut, so that the first left side plate module, the first middle plate wiring module, the first middle partition plate, the second middle plate wiring module and the first right side plate module are connected into a whole;

The female terminal seat B comprises a plurality of third middle piece wiring modules 7, a second left side piece module 8 and a second right side piece module 9 at two ends of the third middle piece wiring modules 7, and a second middle partition board 10 is arranged between the third middle piece wiring modules 7 positioned at one side of the female terminal seat B;

the third middle piece connection module 7 includes:

A third insulating base 71 mainly composed of a base plate 711, a front plate 712, a rear plate 713, and a side plate 714 located on one side of the base plate 711; the substrate 711 is opposite to the plugging surface of the male terminal block a, and is provided with first to third insertion holes 7111, 7112 and 7113 for inserting the ends of the plugging block 116 and the first and second conductive terminals 12 and 13; a connection block 715 with a connection through hole is convexly arranged on the upper part of the inner side surface of the side plate 714, first fixing convex blocks 716 and 716 'are symmetrically arranged on two sides of the connection block 715, and second fixing convex blocks 717 and 717' are correspondingly symmetrically arranged on two sides of the upper part of the outer side surface of the side plate 714; the front plate 712, the rear plate 713 and the base plate 711 are provided with connecting grooves 718, and correspondingly, the two sides and the lower part of the outer side surface of the side plate 714 are provided with connecting protrusions 719 which are matched with the connecting grooves 718 on the side surfaces of the front plate 712, the rear plate 713 and the base plate 711; the third middle-piece connection modules 7 are connected with each other, and the first and second fixing lugs 716, 716', 717' on the inner and outer sides of the side panel 714 of the third insulation base 71 are matched with each other to form two third mounting platforms 76 which are symmetrically arranged left and right;

The second intermediate partition board 10 has slots 1001 on both sides and upper and lower parts thereof, which are respectively engaged with the connection protrusions 719 of the third insulating base 71, a connection hole 1002 is formed in the middle part of the second intermediate partition board 10, protrusions 1003 and 1003 'corresponding to the first fixing protrusions 716 and 716' on both sides of the upper part of the inner side surface of the side panel 714 of the third insulating base 71 are symmetrically formed on the upper part of one side surface of the second intermediate partition board 10 on both sides of the connection hole 1002, and connection protrusions 1004 engaged with the connection grooves 718 of the third insulating base 71 are formed on the lower part of the side surface; the second middle partition board 10 is connected with the third insulating base 71, and the first fixing convex blocks 716 and 716 'and the convex blocks 1003 and 1003' form two symmetrically arranged fourth mounting platforms 77;

Two fifth conductive terminals 72 respectively disposed on two third mounting platforms 76 or fourth mounting platforms 77 that are symmetrically disposed; the fifth conductive terminal 72 includes a first fixing portion 721, a first elastic arm 722 bent downward from one end of the first fixing portion 721 and extending to form a first contact portion 723 formed at the end of the first elastic arm 722, two first limiting portions 724 located inside the first elastic arm 722 and arranged oppositely and extending outward from two sides of the upper portion of the first elastic arm 722, and the ends of the first limiting portions 724 correspond to the first contact portion 723; a second elastic arm 725 bent downward from the other end of the first fixing portion 721 and extending from the lower end of the second elastic arm 725, a bent portion 726 formed by bending and extending in a U shape from the lower end of the second elastic arm 725, and a second contact portion 727 formed by extending from one end of the bent portion 726; a spring plate 728 extending obliquely from the center of the upper part of the second elastic arm 725 and positioned between the two first limiting parts 724; the first fixing portion 721 of the fifth conductive terminal 72 is mounted on a third mounting platform 76 or a fourth mounting platform 77 symmetrically formed by the side plates of the third insulating base 71 in a matched manner through a bolt 73 and a nut 74, and the second contact portions of the two fifth conductive terminals 72 are abutted against each other;

Two sixth conductive terminals 75 respectively disposed on two third mounting platforms 76 or fourth mounting platforms 77 that are symmetrically disposed; the sixth conductive terminal 75 includes a second fixing portion 751, a third elastic arm 752 formed by bending and extending downwards from one end of the second fixing portion 7751, a third contact portion 753 formed at the end of the third elastic arm 752, and two second limiting portions 754 located inside the third elastic arm 752 and arranged opposite to each other and extending outwards from two sides of the upper portion of the third elastic arm 752, wherein the end of the second limiting portion 754 corresponds to the third contact portion 753; a fourth elastic arm 755 formed by bending and extending downwards from the other end of the second fixing part 751, and a spring piece 756 formed by extending obliquely from the center of the upper part of the fourth elastic arm 755 and located between the two second limiting parts 754; the second fixing portion 751 of the sixth conductive terminal 75 is mounted on the third mounting platform 76 or the fourth mounting platform 77 symmetrically formed on the side plate 714 of the third insulating base 71 by the bolt 73 and the nut 74;

the inner side surface of the second left side sheet module 8 and the second right side sheet module 9 are respectively provided with an inserting block 81 matched with a connecting groove 718 of the third insulating base 71 of the third middle sheet wiring module 7, and the inner side surface of the second right side sheet module 9 is provided with an inserting groove matched with a connecting lug 719 on the outer side surface of the side plate 714 of the third insulating base 71 of the third middle sheet wiring module 7; the centers of the second left side piece module 8 and the second right side piece module 9 are provided with connecting through holes;

the second connecting bolts 16 and nuts, the second connecting bolts 16 sequentially pass through the connecting through holes on the second left side sheet module 8, the third middle sheet wiring module 7, the second middle partition board 10 and the second right side sheet module 9, and are locked by the nuts to connect the second left side sheet module, the third middle sheet wiring module, the second middle partition board and the second right side sheet module into a whole.

Preferably, in the female terminal block B, a clamping groove 7141 is formed in the center of the top surface of the side panel 714 of the third middle sheet wiring module 7 and a clamping groove 1005 is formed in the center of the top surface of the second middle partition board 10, and correspondingly, a clamping plate 17 is provided to clamp the clamping groove 7141 of the side panel 714 and the clamping groove 1005 in the center of the top surface of the second middle partition board 10, so that the third middle sheet wiring module 7 and the second middle partition board 10 are limited and fixed.

Preferably, the male terminal seat a and the female terminal seat B are respectively provided with a first cover plate 18 and a second cover plate 19;

The first cover plate 18 covers the top surfaces of the first middle piece wiring modules 1 and 1', the first middle partition plate 2 and the second middle piece wiring module 3, a first cover plate slot 181 for inserting two ends of the first cover plate 18 is arranged at the upper part of the inner side surfaces of the first left side piece module 4 and the first right side piece module 5 positioned at two ends of the male terminal seat A, and two ends of the first cover plate 18 are inserted into the first cover plate slot 181;

The second cover plate 19 covers the third middle piece wiring module 7 and the top surface of the second middle partition plate 10; the upper parts of the inner side surfaces of the second left side piece module 8 and the second right side piece module 9 which are positioned at the two ends of the female terminal seat B are provided with second cover plate slots 191 for inserting the two ends of the second cover plate 19, and the two ends of the second cover plate 19 are inserted into the second cover plate slots 191.

When the male terminal seat A and the female terminal seat B are separated, the second contact parts of the two fifth conductive terminals 72 in the third middle piece wiring module 7 of the female terminal seat B are abutted against each other, so that a circuit short-circuit function is realized.

When the male terminal block a and the female terminal block B are abutted, the middle part of the insertion surface of the first insulating base 11 opposite to the female terminal block B in the male terminal block a is convexly provided with an insertion block 116 to be inserted into the first insertion hole 7111 of the substrate 711 of the third insulating base 71 of the third middle-piece wiring module 7 in the female terminal block B, so that the second contact parts of the two fifth conductive terminals 72 abutted against each other in the third middle-piece wiring module 7 are separated.

In addition, the third contact parts of the two sixth conductive terminals 75 in the third middle piece wiring module 7 at one side of the female terminal base B are not in abutting contact with each other, so that the female terminal base B does not have a circuit short-circuit function, and therefore, the requirements of various structural forms or functions of customers are met.

The invention also provides a terminal base, namely the female terminal base B, which comprises: the middle sheet wiring modules are arranged at one side of the terminal seat, and a middle partition plate is arranged between the middle sheet wiring modules;

The middle piece wiring module is a third middle piece wiring module 7 in the female terminal seat, and the left side piece module and the right side piece module are respectively the second left side piece module 8 and the second right side piece module 9; the insulating base is the third insulating base 71, and the intermediate partition board is the second intermediate partition board 10;

The middle piece wiring module comprises:

The two first conductive terminal plates are respectively arranged on the two first or second fixed platforms which are symmetrically arranged; the first conductive terminal plate comprises a first fixing part and a first elastic arm which is formed by bending downwards from one end of the first fixing part and extending, a first contact part which is formed at the tail end of the first elastic arm, and two first limiting parts which are positioned at the inner side of the first elastic arm and are oppositely arranged and extend outwards from two sides of the upper part of the first elastic arm, wherein the end parts of the first limiting parts correspond to the first contact part; the second elastic arm is downwards bent and extended from the other end of the first fixing part, the bending part is formed by U-shaped bending and extending from the lower end of the second elastic arm, and the second contact part is formed by extending from one end of the bending part; obliquely extending from the center of the upper part of the second elastic arm to form an elastic pressing sheet positioned between the two first limiting parts; the first fixing parts of the first conductive terminals are arranged on a first or a second fixing platform symmetrically formed by the side plates of the insulating base in a matched manner through bolts and nuts, and the second contact parts of the two first conductive terminal plates are abutted against each other;

the first conductive terminal plate and the second conductive terminal plate are the fifth conductive terminal 72 and the sixth conductive terminal 75 in the female terminal block B; the connecting bolt is a second connecting bolt.

The inner side surface of the left side plate module is provided with an inserting block matched with the connecting groove of the insulating base of the middle plate wiring module, and the inner side surface of the right side plate module is provided with an inserting groove matched with the connecting convex block on the outer side surface of the side plate of the insulating base of the middle plate wiring module; the center of the left side piece module and the right side piece module is provided with a connecting through hole; the left side piece module and the right side piece module are respectively the second left side piece module and the second right side piece module in the female terminal seat;

a connecting bolt and a nut, the connecting bolt being a second connecting bolt 16 in the female terminal block B; the connecting bolts sequentially penetrate through the connecting through holes on the left side sheet module, the middle sheet wiring module, the middle partition plate and the right side sheet module and are locked by nuts, so that the left side sheet module, the middle sheet wiring module, the middle partition plate and the right side sheet module are connected into a whole.

Claims

1. The combined terminal block is characterized by comprising a male terminal block and a female terminal block which are connected with each other;

The male terminal seat comprises a plurality of first middle piece wiring modules positioned at one side of the male terminal seat, a first middle partition plate arranged between the first middle piece wiring modules, a plurality of second middle piece wiring modules positioned at the other side of the male terminal seat, a first left side piece module and a first right side piece module positioned at two ends of the male terminal seat;

the first mid-pad wiring module comprises:

the second mid-pad wiring module includes:

The inner side surface of the first left side piece module is provided with an inserting block matched with the first insulating base connecting inserting groove of the first middle piece wiring module, and the inner side surface of the first right side piece module is provided with an inserting groove matched with the fixed connecting inserting block of the outer side surface of the second insulating base side plate of the second middle piece wiring module; the centers of the first left side piece module and the first right side piece module are provided with connecting through holes;

the third mid-pad wiring module includes:

The third insulating base mainly comprises a base plate, a front plate, a rear plate and a side plate positioned at one side of the base plate; the substrate is opposite to the plug face of the male terminal seat, and first to third jacks for inserting the plug block and the end parts of the first and second conductive terminals are correspondingly arranged on the substrate; the upper part of the inner side surface of the side panel is convexly provided with a connecting block with a connecting through hole, the two sides of the connecting block are symmetrically provided with first fixing convex blocks, and the two sides of the upper part of the outer side surface of the side panel are correspondingly symmetrically provided with second fixing convex blocks; the side surfaces of the front plate, the rear plate and the base plate are provided with connecting grooves, and correspondingly, the two sides and the lower part of the outer side surface of the side plate are provided with connecting convex blocks matched with the connecting grooves on the side surfaces of the front plate, the rear plate and the base plate; the third middle-piece wiring modules are connected with each other, and the first fixing convex blocks and the second fixing convex blocks on the inner side surface and the outer side surface of the side panel of the third insulating base are matched with each other to form a third installation platform which is arranged symmetrically left and right;

2. The modular terminal block of claim 1, wherein the second spring arm, the bent portion, and the second contact portion of the fifth conductive terminal are a unitary frame structure.

3. The modular terminal block of claim 1, wherein the top surface center of the side panel of the third middle-piece connection module in the female terminal block is provided with a clamping groove, the top surface center of the second middle partition plate is provided with a clamping groove, and a clamping plate is correspondingly arranged to clamp the clamping groove of the side panel and the clamping groove of the top surface center of the second middle partition plate to limit and fix the third middle-piece connection module and the second middle partition plate.

4. The combined terminal block of claim 1, wherein the male terminal block and the female terminal block are provided with a first cover plate and a second cover plate, respectively;

5. A terminal block, comprising: the middle sheet wiring modules are arranged at one side of the terminal seat, and a middle partition plate is arranged between the middle sheet wiring modules;

The middle piece wiring module comprises:

The two first conductive terminal plates are respectively arranged on the two first fixing platforms or the two second fixing platforms which are symmetrically arranged; the first conductive terminal plate comprises a first fixing part and a first elastic arm which is formed by bending downwards from one end of the first fixing part and extending, a first contact part which is formed at the tail end of the first elastic arm, and two first limiting parts which are positioned at the inner side of the first elastic arm and are oppositely arranged and extend outwards from two sides of the upper part of the first elastic arm, wherein the end parts of the first limiting parts correspond to the first contact part; the second elastic arm is downwards bent and extended from the other end of the first fixing part, the bending part is formed by U-shaped bending and extending from the lower end of the second elastic arm, and the second contact part is formed by extending from one end of the bending part; obliquely extending from the center of the upper part of the second elastic arm to form an elastic pressing sheet positioned between the two first limiting parts; the first fixing parts of the first conductive terminal plates are arranged on a first fixing platform symmetrically formed by the side plates of the insulating base in a matched manner through bolts and nuts, and the second contact parts of the two first conductive terminal plates are abutted against each other;

6. The terminal block of claim 5, wherein the second spring arm, the bent portion, and the second contact portion of the first conductive terminal plate are a frame structure of an integral structure.

7. The terminal block of claim 5, wherein the middle-piece wiring module is provided with a clamping groove in the center of the top surface of the side panel and a clamping groove in the center of the top surface of the middle partition board, and a clamping plate is correspondingly arranged to clamp the clamping groove of the side panel and the clamping groove in the center of the top surface of the middle partition board, so that the middle-piece wiring module and the middle partition board are limited and fixed.