CN117878671A

CN117878671A - Power connector and assembly method

Info

Publication number: CN117878671A
Application number: CN202410091436.XA
Authority: CN
Inventors: 谢承志; 滕芳; 谭维心; 陈灼
Original assignee: Dongguan Synconn Precision Industry Co ltd
Current assignee: Dongguan Synconn Precision Industry Co ltd
Priority date: 2024-01-23
Filing date: 2024-01-23
Publication date: 2024-04-12
Anticipated expiration: 2044-01-23
Also published as: CN117878671B

Abstract

The invention relates to the technical field of vehicle-mounted electric connection, in particular to a power connector and an assembly method, wherein the power connector comprises a plug-in shell, an electric terminal and a fixing piece, the plug-in shell comprises a base body, a fixing cavity arranged in the base body and a plug-in connector arranged at one side of the base body, and the fixing cavity comprises a terminal fixing part, a compression fixing part and a wiring fixing part; locking guard plates are arranged on two sides of the seat body, and each locking guard plate is provided with a preassembly groove and a clamping groove; the mounting includes compresses tightly pin, fixed station and assembly pin, compresses tightly the pin and is used for the cooperation on compressing tightly the groove to compress tightly contact portion in terminal fixed part, the fixed station is used for covering on spacing groove and locking groove, is provided with the assembly buckle on the assembly pin, and the assembly buckle is used for cooperation pre-installation groove and chucking groove. According to the invention, the pre-installation groove and the clamping groove are arranged on the locking guard plate on the locking groove, and the assembly buckle is arranged on the assembly pin of the fixing piece, so that the pre-installation function is realized during assembly, and the structure is convenient to assemble.

Description

Power connector and assembly method

Technical Field

The invention relates to the technical field of vehicle-mounted electrical connection, in particular to a power connector and an assembly method.

Background

Connectors are a component that electronic engineering technicians often contact. The function is as follows: and a bridge for communication is erected between the blocked or isolated circuits in the circuit, so that current flows, and the circuit achieves a preset function. Connectors are an indispensable component in electronic devices. A power connector is a connector for connecting a power harness, and is generally used to supply power to various electronic devices, mechanical devices, or other devices. The existing contact type power connector is generally directly molded into a whole with a terminal in the production process, or assembled after injection molding, so that the existing assembly process is complicated, is not beneficial to maintenance and affects actual use. Thus, a further improvement can be made over existing power connector structures.

Disclosure of Invention

In order to solve the problems, the locking guard plate on the locking groove is provided with the preassembling groove and the clamping groove, and the assembly pin of the fixing piece is provided with the assembly buckle so as to play a preassembling role in assembly, and the power connector is convenient in structure assembly and the assembly method.

The technical scheme adopted by the invention is as follows: the power connector comprises a plug housing, an electric terminal and a fixing piece, wherein the plug housing comprises a base body, a fixing cavity arranged in the base body and a plug connector arranged at one side of the base body, the plug connector is provided with a contact port, one end of the contact port is communicated with the fixing cavity, the fixing cavity comprises a terminal fixing part, a compression fixing part and a wiring fixing part, and one end of the terminal fixing part is communicated with the contact port; the upper surface of the base body is provided with a locking cavity, the locking cavity comprises a pressing groove, a limiting groove and a locking groove, one end of the pressing groove is communicated with the terminal fixing part, two sides of the base body, which are positioned on the locking groove, are provided with locking guard plates, each locking guard plate is provided with a preassembly groove and a clamping groove, and each preassembly groove is positioned above the corresponding clamping groove; the electric terminal comprises a contact part, an assembling part and a wiring part, wherein one end of the contact part is inserted into the terminal fixing part so as to enable the contact part to be abutted against one side of the contact port, the assembling part is arranged in the compression fixing part, and the wiring part is arranged in the wiring fixing part; the mounting is including compressing tightly pin, fixed station and assembly pin, compress tightly the pin and be used for the cooperation on compressing tightly the groove to compress tightly contact portion in terminal fixed part, the fixed station is used for covering on spacing groove and locking groove, be provided with the assembly buckle on the assembly pin, the assembly buckle is used for cooperation pre-installation groove and chucking groove, the fixed station is provided with fixed briquetting, in order to compress tightly wiring portion in wiring fixed part.

According to the technical scheme, the socket is characterized in that the socket is fixedly connected with the socket by the aid of the inserting buckles, the socket is provided with the inserting inclined planes on the upper sides of the inserting buckles so as to prevent foolproof and guide the socket in inserting, and the socket and the inserting connectors are integrally formed by injection molding.

The improvement of the scheme is that a plurality of fixing cavities are arranged in the base, the fixing cavities are arranged in the base in a linear array, and a partition plate is arranged between every two adjacent fixing cavities for separation.

The technical scheme is further improved in that a plurality of contact ports are arranged on the plug connector, and the contact ports correspond to the fixing cavities one by one.

In a further improvement of the above scheme, the contact port is a contact hole arranged on the plug connector, so that the contact part contacts and conducts electricity in the contact hole.

According to the scheme, a positioning step is arranged between the terminal fixing part and the contact port, the contact part is provided with a contact piece, one surface of the contact piece faces the contact port, the compression pin is provided with an extension pressing block, and one end of the extension pressing block penetrates through the compression groove to compress and fix the contact piece on the positioning step.

In a further development of the above-described embodiment, the side of the extension press block facing the contact opening is provided with a mating bead for contacting and pressing the contact piece.

The further improvement to above-mentioned scheme does, compress tightly the fixed part and be provided with fixed crossbeam, the spacing groove sets up on fixed crossbeam to communicate to compressing tightly the fixed part, the assembly part is provided with spacing buckle, the one end card of spacing buckle is established in the spacing inslot, in order to fix the assembly part at the spacing inslot.

According to the scheme, the lower side of the fixing cavity is provided with the supporting plate, the supporting plate is used for supporting the electric terminal so as to fix the electric terminal in the fixing cavity, and grooves are formed in two sides of the supporting plate so that the supporting plate has tension force, and the electric terminal clamp is fastened in the fixing cavity.

The technical scheme is further improved in that a disassembling groove is formed in one side of the locking groove, one end of the disassembling groove is communicated with the locking groove and corresponds to the fixing table, a disassembling fixing groove is formed in the fixing pressing block, and one end of the disassembling fixing groove is communicated with the disassembling groove.

According to the technical scheme, the clamping device is characterized in that pull grooves are formed in two sides of the base body, one ends of the preassembly grooves and the clamping grooves are communicated to the pull grooves, assembly sliding grooves are formed in two sides of the locking grooves, one ends of the assembly pins are installed in the assembly sliding grooves, the assembly buckles are clamped into the preassembly grooves, and the assembly buckles are clamped into the clamping grooves by pressing the preassembly grooves towards pressing.

The technical scheme is further improved that a rectangular frame structural member is formed between the contact part and the assembly part by stamping missile metal, and one end of the wiring part is integrally formed on one side of the assembly part.

A further development of the above-described solution provides that the connection part comprises a first wire clamp for the conductor connection of the connecting wire and a second wire clamp for the external connection of the connecting wire.

According to a further improvement of the scheme, the first wire clamp is provided with two extending pins, the fixed table is provided with pin clamping grooves, and the pin clamping grooves are used for clamping the two extending pins relatively so as to clamp the conductor of the connecting wire.

An assembly method for a power connector, comprising the steps of:

step S1, preassembly: injection molding the plug-in shell and the fixing piece, and installing the fixing piece into the locking cavity so that the assembly on the assembly pin is in snap fit with the preassembly groove, and at the moment, a pre-loading cavity is formed between the fixing table and the fixing cavity;

step S2, terminal riveting: the electric connection terminal is formed by stamping, a connecting wire is riveted on the wiring part, and at the moment, a positioning clamping piece is reserved on the wiring part;

step S3, assembling in place: pressing the fixing piece, enabling the assembly buckle to slide towards the clamping groove until the assembly buckle is clamped in to achieve compression assembly, at the moment, compressing the contact portion to be fixed on one side of the contact port through the compression pin, and fixing the clamping piece to be positioned and clamped through the fixing pressing block through the fixing pressing groove, so that the connecting wire is fixed.

The invention has the beneficial effects that:

compared with the prior power connector, the contact type power connector is characterized in that the fixing cavity in the plug-in housing is used for inserting and fixing the power connection terminal and is fixed under the action of the fixing piece, so that the stability of the power connection terminal in the fixing cavity is ensured. The locking groove is arranged, the preassembling groove and the clamping groove are arranged on the locking guard plate on the locking groove, and the assembling buckle is arranged on the assembling pin of the fixing piece, so that the preassembling effect is achieved during assembling, the structure is convenient to assemble, and the maintenance is convenient. The problem of current connector assembly inconvenient has been solved. The pressing pin is further arranged to press the contact part into the terminal fixing part, so that the contact part is ensured to be stable when in opposite insertion contact on the contact port, the contact part cannot move backwards, and the contact is stable when the connector is opposite inserted.

The power connector is provided with a locking cavity, wherein the locking cavity comprises a pressing groove, a limiting groove, a locking groove, a preassembling groove and a clamping groove on a locking guard plate. The fixing piece can be effectively fixed through the arrangement of the preassembling groove and the clamping groove, and the fixing piece is ensured not to loosen or fall off in the assembly process. The fixing performance of the fixing piece is further enhanced due to the arrangement of the locking guard plate, so that the integral assembly stabilizing effect is improved.

Through the design of mounting, including compressing tightly the assembly buckle on pin, fixed station and the assembly pin, the assembly of connector becomes more convenient. The compression pin is matched with the compression groove, so that the contact part can be compressed in the terminal fixing part, and the connection stability is ensured. The fixed table covers the limit groove and the locking groove and is used for protecting and fixing all parts of the connector. The assembling buckle on the assembling pin is matched with the preassembling groove and the clamping groove, so that the assembling process is simplified, and the assembling convenience is improved. In addition, the fixed station is provided with fixed briquetting for compress tightly wiring portion in wiring fixed part, ensure the fastness of connection.

Through locking cavity and mounting, realized good pre-installation effect and convenient assembling. The connector can be kept stable in the preassembling and assembling processes, and the reliability and the use convenience of the connector are improved. The manufacturing cost is reduced, the production efficiency is improved, and more convenient installation is provided for users.

An assembly method for a power connector, comprising the steps of:

step S1: preassembly

In this step, the plug housing and the securing member are injection molded and the securing member is mounted to the lock cavity, thereby forming a pre-assembled cavity. Meanwhile, the assembling buckle on the assembling pin is matched with the preassembling groove, so that a preassembling cavity is formed between the fixing table and the fixing cavity.

Step S2: terminal riveting

In this step, the electrical terminals are formed by punching, and the connection wires are swaged at the wire connection portions. Meanwhile, a positioning clamping piece is reserved on the wiring part, so that preparation is made for the subsequent steps.

Step S3: assembled in place

In the last step, the fixing piece is pressed, so that the assembly buckle slides towards the clamping groove until the assembly buckle is clamped in to realize compression assembly. Meanwhile, the contact part is pressed and fixed on one side of the contact port by the pressing pin, and the positioning clamping piece is positioned and clamped by the fixing pressing block which is provided with the fixing pressing groove so as to fix the connecting wire.

The assembly process of the power connector comprises key steps of pre-assembly, terminal riveting, assembly in place and the like. The proper arrangement and sequence of these steps helps to ensure the robustness and reliability of the connector, thereby improving assembly efficiency and product quality.

Drawings

FIG. 1 is a schematic perspective view of a power connector according to the present invention;

FIG. 2 is an exploded view of the power connector of FIG. 1;

FIG. 3 is an exploded view of the power connector of FIG. 1 from another perspective;

FIG. 4 is a schematic top view of the power connector of FIG. 1;

FIG. 5 is a cross-sectional view of A-A of FIG. 4;

FIG. 6 is a cross-sectional view of B-B of FIG. 4;

FIG. 7 is a schematic perspective view of the plug housing of the power connector of FIG. 1;

fig. 8 is a schematic perspective view of the power connector of fig. 1;

FIG. 9 is a perspective view of a mounting member of the power connector of FIG. 1;

fig. 10 is a schematic diagram of an assembly process of the power connector of the present invention.

Reference numerals illustrate: plug housing 1, base 11, lock guard 111, pre-load slot 112, clamping slot 113, plug clasp 114, plug ramp 115, draw slot 116, fixing cavity 12, terminal fixing portion 121, compression fixing portion 122, fixing beam 1221, wire fixing portion 123, positioning step 124, pallet 125, plug 13, contact port 131, lock cavity 14, compression slot 141, limit slot 142, lock slot 143, disassembly slot 1431, assembly slot 1432;

the electric terminal 2, the contact part 21, the contact piece 211, the assembly part 22, the limit buckle 221, the wiring part 23, the first wire clamp 231, the second wire clamp 232 and the extension pin 233;

the fixing piece 3, the pressing pin 31, the extension pressing block 311, the tight fitting pressing bar 3111, the fixing table 32, the fixing pressing block 321, the dismounting fixing groove 3211, the pin clamping groove 322, the assembling pin 33 and the assembling buckle 331.

Detailed Description

In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1 to 10, in one embodiment of the present invention, a power connector is related to, including a socket housing 1, an electrical terminal 2 and a fixing member 3, where the socket housing 1 includes a base 11, a fixing cavity 12 disposed in the base 11, and a socket head 13 disposed at one side of the base 11, the socket head 13 is provided with a contact port 131, one end of the contact port 131 is connected to the fixing cavity 12, the fixing cavity 12 includes a terminal fixing portion 121, a pressing fixing portion 122 and a wire fixing portion 123, and one end of the terminal fixing portion 121 is connected to the contact port 131; the upper surface of the base 11 is provided with a locking cavity 14, the locking cavity 14 comprises a pressing groove 141, a limiting groove 142 and a locking groove 143, one end of the pressing groove 141 is communicated with the terminal fixing part 121, the two sides of the base 11, which are positioned on the locking groove 143, are provided with locking guard plates 111, the locking guard plates 111 are provided with a preassembly groove 112 and a clamping groove 113, and the preassembly groove 112 is positioned above the clamping groove 113; the electrical terminal 2 includes a contact portion 21, a fitting portion 22, and a wire connection portion 23, wherein one end of the contact portion 21 is inserted into the terminal fixing portion 121 to abut the contact portion 21 on one side of the contact port 131, the fitting portion 22 is disposed in the press fixing portion 122, and the wire connection portion 23 is disposed in the wire connection fixing portion 123; the fixing piece 3 comprises a pressing pin 31, a fixing table 32 and an assembling pin 33, the pressing pin 31 is used for being matched with the pressing groove 141 to press the contact part 21 in the terminal fixing part 121, the fixing table 32 is used for being covered on the limiting groove 142 and the locking groove 143, the assembling pin 33 is provided with an assembling buckle 331, the assembling buckle 331 is used for being matched with the preassembling groove 112 and the clamping groove 113, and the fixing table 32 is provided with a fixing pressing block 321 to press the wiring part 23 in the wiring fixing part 123. In this embodiment, the fixing cavity 12 in the plugging housing 1 is used for inserting and fixing the electrical terminal 2, and is fixed under the action of the fixing piece 3, so as to ensure the stability of the electrical terminal 2 in the fixing cavity 12. The locking groove 143 is arranged, the pre-installation groove 112 and the clamping groove 113 are arranged on the locking guard plate 111 on the locking groove, and the assembly clamping groove is arranged on the assembly pin 33 of the fixing piece 3 so as to play a pre-installation role during assembly, and the structure is convenient to assemble and convenient to maintain. The problem of current connector assembly inconvenient has been solved. The pressing pin 31 is provided to press the contact portion 21 into the terminal fixing portion 121, so that the contact portion 21 is ensured to be stable when being in contact with the contact port 131, and is not moved backward, and the contact is ensured when the connector is plugged.

In the above embodiment, the power connector is designed with the locking cavity 14 including the pressing groove 141, the limiting groove 142 and the locking groove 143, and the pre-loading groove 112 and the clamping groove 113 on the locking guard 111. The arrangement of the preassembly groove 112 and the clamping groove 113 can effectively fix the fixing member 3, and ensure that the fixing member 3 cannot loosen or fall off during the assembly process. The locking guard 111 further enhances the fixity of the fixing member 3, thereby improving the overall assembly stability.

In the above embodiment, the connector assembly is facilitated by the design of the fixing member 3, including the pressing pin 31, the fixing table 32 and the assembly buckle 331 on the assembly pin 33. The pressing pin 31 is fitted in the pressing groove 141, so that the contact portion 21 can be pressed into the terminal fixing portion 121, and the connection stability can be ensured. The mounting block 32 overlies the limit slot 142 and the lock slot 143 for protecting and securing the various components of the connector. The assembling buckle 331 on the assembling pin 33 is matched with the preassembly groove 112 and the clamping groove 113, so that the assembling process is simplified, and the assembling convenience is improved. In addition, the fixing base 32 is provided with a fixing pressing block 321 for pressing the wiring portion 23 into the wiring fixing portion 123, ensuring the connection firmness.

In the above embodiment, good preassembly and assembly convenience are achieved by the locking cavity 14 and the fixing member 3. The connector can be kept stable in the preassembling and assembling processes, and the reliability and the use convenience of the connector are improved. The manufacturing cost is reduced, the production efficiency is improved, and more convenient installation is provided for users.

Referring to fig. 2 to 7, plugging buckles 114 are provided on two sides of the base 11 to fix the base 11 during plugging, a plugging inclined plane 115 is provided on the upper side of the base 11 on the plugging buckles 114 to prevent and guide the base 11 during plugging, and the base 11 and the plugging connector 13 are formed by integral injection molding. In this embodiment, the plugging buckles 114 are disposed on two sides of the base 11, so that the position of the base 11 during plugging can be effectively fixed, and the connection firmness and stability can be ensured. The plugging inclined plane 115 is located on the upper side of the base 11 and is used for playing a foolproof and guiding role when the base 11 is plugged. This helps to ensure proper alignment during plugging, avoiding false plugging or damage to the connector. The base 11 and the plug 13 are formed by integral injection molding, and the design can improve the structural strength and stability of the connector and reduce the possibility of loosening or falling off between parts, thereby improving the reliability and durability of the connector.

A plurality of fixed cavities 12 are arranged in the seat body 11, a plurality of fixed cavities 12 are arranged in the seat body 11 in a linear array, and a partition plate is arranged between every two adjacent fixed cavities 12 for separation. In this embodiment, the partition plate is disposed between two adjacent fixing cavities 12 to effectively isolate each fixing cavity 12, so as to avoid mutual interference and cross influence, and ensure that each fixing cavity 12 can independently perform its function. The linear array of fixation cavities 12 helps organize and arrange the components within the connector so that the structural layout of the connector is more orderly and standardized, facilitating manufacturing and maintenance.

The plug 13 is provided with a plurality of contact ports 131, and the contact ports 131 are in one-to-one correspondence with the fixing cavities 12. In this embodiment, each contact port 131 corresponds to one fixing cavity 12 in the base 11, and this one-to-one design ensures that each contact port 131 can be accurately docked when the connector is plugged, so as to avoid misalignment or poor contact. Through the corresponding relation between the contact ports 131 and the fixing cavities 12, the multi-channel connection can be realized, so that the requirements of various signal or power transmission are met, and the flexibility and the versatility of the connector are improved.

The contact port 131 is a contact hole provided on the socket 13 so that the contact portion 21 contacts the electrical conduction in the contact hole. In this embodiment, the contact holes provide a conductive contact path between the plug 13 and the housing 11, ensuring the quality and stability of signal or power transmission. Especially, the probe type contact is matched, and the stability is good.

A positioning step 124 is arranged between the terminal fixing part 121 and the contact port 131, the contact part 21 is provided with a contact piece 211, one surface of the contact piece 211 faces the contact port 131, the compression pin 31 is provided with an extension pressing block 311, and one end of the extension pressing block 311 passes through the compression groove 141 to compress and fix the contact piece 211 on the positioning step 124. In the present embodiment, the positioning step 124 helps to ensure that the contact piece 211 can be accurately positioned on the fixing portion, so as to improve the stability and accuracy between the connector components. By the design of the pressing pin 31 and the extension pressing block 311, the contact piece 211 can be pressed and fixed, so that good contact between the contact piece 211 and the contact port 131 is ensured, and the reliability of signal transmission is improved. By adopting the design of the pressing pins 31 and the extension pressing blocks 311, the contact pieces 211 can be effectively fixed, and meanwhile, the whole structure is simpler and more compact.

The side of the extension block 311 facing the contact port 131 is provided with a press-fit strip 3111, which press-fit strip 3111 is used to contact and press the contact piece 211. In this embodiment, the press-fit strip 3111 may provide an appropriate contact pressure, ensuring good contact between the contact piece 211 and the contact port 131, thereby improving reliability and stability of signal transmission. By providing the press-fit strip 3111 on the extension press 311, effective compression of the contact piece 211 in a limited space can be achieved, making the design of the connector more compact.

The compressing and fixing part 122 is provided with a fixed cross beam 1221, the limiting groove 142 is formed in the fixed cross beam 1221 and is communicated to the compressing and fixing part 122, the assembling part 22 is provided with a limiting buckle 221, and one end of the limiting buckle 221 is clamped in the limiting groove 142 so as to fix the assembling part 22 in the limiting groove 142. In this embodiment, by designing the limiting groove 142 and the limiting buckle 221, accurate positioning of the fitting portion 22 can be achieved, and accurate alignment and fitting between connector components can be ensured. The setting of spacing buckle 221 can be effectively with the assembly portion 22 fixed in spacing groove 142, provides good steadiness, prevents to appear not hard up or the condition that drops in the use.

The lower side of the fixing cavity 12 is provided with a supporting plate 125, the supporting plate 125 is used for supporting the electric terminal 2 so as to fix the electric terminal 2 in the fixing cavity 12, two sides of the supporting plate 125 are provided with grooves so that the supporting plate 125 has tension force, and the electric terminal 2 is clamped and fixed in the fixing cavity 12. In this embodiment, the supporting plate 125 provides a stable support for the electrical terminal 2, so as to ensure that the electrical terminal 2 can be firmly fixed in the fixing cavity 12, and avoid loosening or falling off during use. Through the grooving design of the two sides of the supporting plate 125, the clamping and fixing of the electric terminal 2 can be realized, and additional fixing force is provided, so that the electric terminal 2 is ensured to be in a stable state.

One side of the locking groove 143 is provided with a dismounting groove 1431, one end of the dismounting groove 1431 is communicated with the locking groove 143 and corresponds to the fixing table 32, the fixing pressing block 321 is provided with a dismounting fixing groove 3211, and one end of the dismounting fixing groove 3211 is communicated with the dismounting groove 1431. In this embodiment, the convenient disassembly of the connector component can be realized by the arrangement of the disassembly groove 1431 and the disassembly fixing groove 3211, and the maintenance and replacement operations are convenient.

The both sides of pedestal 11 are provided with draw groove 116, the one end of pre-installation groove 112 and chucking groove 113 all communicates to draw groove 116, the both sides of locking groove 143 are provided with assembly spout 1432, the one end of assembly pin 33 is packed into by assembly spout 1432 to make assembly buckle 331 card go into pre-installation groove 112, the rethread presses by pre-installation groove 112 towards pressing, makes assembly buckle 331 card go into chucking groove 113. In this embodiment, the pull groove 116 may be opened by a tool, specifically, a structural block matching with the pull groove 116 is provided on the tool, and the structural block slides into the pull groove 116 to separate the assembly buckle 331 from the preassembly groove 112 or the clamping groove 113. Through the combined application of the assembly pins 33 and the assembly sliding grooves 1432, the precise positioning and alignment of the connector components are realized, and the accurate positions of all the components can be ensured in the assembly process.

Referring to fig. 8, a rectangular frame structure formed by stamping missile metal is arranged between the contact portion 21 and the assembly portion 22, and one end of the wire connection portion 23 is integrally formed on one side of the assembly portion 22. In the present embodiment, by integrally molding one end of the wire connection portion 23 at one side of the fitting portion 22, a compact rectangular frame structure is formed, space is saved and it can be integrated in the fixing chamber 12 better. The connecting component is formed by metal stamping, has better mechanical stability and vibration resistance, and can ensure that the connecting component cannot loosen or fall off in the use process of the equipment.

The wire connection part 23 includes a first wire clamp 231 for conductor connection of the connection wire and a second wire clamp 232 for external connection of the connection wire, the second wire clamp 232 being connected. Specifically, the first wire clamp 231 is provided with two extending pins 233, and the fixing table 32 is provided with pin clamp grooves 322, and the pin clamp grooves 322 are used for clamping the two extending pins 233 relatively so as to clamp the conductor of the connecting wire. In this embodiment, by designing the first wire clip 231, reliable connection of the connecting wire conductors can be achieved, and good contact and transmission performance between the conductors are ensured. The provision of the pin clamping groove 322 enables the pins to be clamped and secured to the mounting block 32, ensuring that the conductors of the connection wire can be clamped firmly without loosening.

Referring to fig. 1 to 10, an assembling method for a power connector includes the steps of:

step S1, preassembly: injection molding the plug housing 1 and the fixing piece 3, and mounting the fixing piece 3 to the locking cavity 14, so that the assembling buckle 331 on the assembling pin 33 is matched with the preassembly groove 112, and at the moment, a pre-assembled cavity is formed between the fixing table 32 and the fixing cavity 12; in this step, the plug housing 1 and the fixing member 3 are injection molded and the fixing member 3 is mounted to the lock chamber 14, thereby forming a pre-loaded chamber. At the same time, the assembly tabs 331 on the assembly pins 33 fit over the pre-load slots 112, ensuring that a pre-load cavity is formed between the mounting table 32 and the mounting cavity 12.

Step S2, terminal riveting: the electric terminal 2 is formed by stamping, and a connecting wire is riveted on the wiring part 23, and at the moment, a positioning clamping piece is reserved on the wiring part 23; in this step, the electrical terminal 2 is formed by punching, and the connection wire is swaged at the wire connection portion 23. Meanwhile, a positioning clip is reserved on the wiring portion 23, and is ready for the subsequent steps.

Step S3, assembling in place: pressing the fixing piece 3, making the assembly buckle 331 slide towards the clamping groove 113 until the assembly buckle 331 is clamped in to realize pressing assembly, at this time, the pressing pin 31 presses the contact portion 21 to be fixed on one side of the contact port 131, and the fixing pressing block 321 sets the fixing pressing groove to fix the positioning clamping piece to fix the connecting wire. In the last step, the fixing member 3 is pressed so that the fitting buckle 331 slides toward the chucking groove 113 until the fitting buckle 331 snaps into achieving the press fitting. Meanwhile, the contact part 21 is pressed and fixed on one side of the contact port 131 by the pressing pin 31, and the fixing pressing block 321 is provided with a fixing pressing groove to fix and clamp the positioning clamping piece so as to fix the connecting wire.

The assembly process of the power connector comprises the key steps of pre-assembly, terminal riveting, assembly in place and the like. The proper arrangement and sequence of these steps helps to ensure the robustness and reliability of the connector, thereby improving assembly efficiency and product quality.

The foregoing examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. A power connector, characterized in that: comprising

The plug-in shell comprises a base body, a fixing cavity arranged in the base body and a plug connector arranged at one side of the base body, wherein the plug connector is provided with a contact port, one end of the contact port is communicated with the fixing cavity, the fixing cavity comprises a terminal fixing part, a compression fixing part and a wiring fixing part, and one end of the terminal fixing part is communicated with the contact port; the upper surface of the base body is provided with a locking cavity, the locking cavity comprises a pressing groove, a limiting groove and a locking groove, one end of the pressing groove is communicated with the terminal fixing part, two sides of the base body, which are positioned on the locking groove, are provided with locking guard plates, each locking guard plate is provided with a preassembly groove and a clamping groove, and each preassembly groove is positioned above the corresponding clamping groove;

the electric connection terminal comprises a contact part, an assembling part and a wiring part, wherein one end of the contact part is inserted into the terminal fixing part so as to enable the contact part to be abutted against one side of the contact port, the assembling part is arranged in the compression fixing part, and the wiring part is arranged in the wiring fixing part; and

the fixing piece comprises a pressing pin, a fixing table and an assembling pin, wherein the pressing pin is used for being matched with the pressing groove to press the contact portion in the terminal fixing portion, the fixing table is used for being covered on the limiting groove and the locking groove, the assembling pin is provided with an assembling buckle, the assembling buckle is used for being matched with the pre-assembling groove and the clamping groove, and the fixing table is provided with a fixing pressing block to press the wiring portion in the wiring fixing portion.

2. The power connector of claim 1, wherein: the two sides of the base body are provided with inserting buckles so as to fix the base body when in insertion, the upper side of the base body, which is positioned on the inserting buckles, is provided with inserting inclined planes so as to prevent foolproof and guide the base body when in insertion, and the base body and the inserting connectors are formed by integral injection molding;

a plurality of fixed cavities are arranged in the seat body, the fixed cavities are arranged in the seat body in a linear array, and a partition plate is arranged between two adjacent fixed cavities for separation;

the plug connector is provided with a plurality of contact ports, and the contact ports correspond to the fixing cavities one by one;

the contact port is a contact hole arranged on the plug connector, so that the contact part contacts and conducts electricity in the contact hole.

3. The power connector of claim 1, wherein: the terminal fixing part and the contact port are provided with a positioning step, the contact part is provided with a contact piece, one surface of the contact piece faces the contact port, the compression pin is provided with an extension pressing block, and one end of the extension pressing block penetrates through the compression groove to compress and fix the contact piece on the positioning step.

4. A power connector as claimed in claim 3, wherein: one surface of the extension pressing block facing the contact port is provided with a tight-fit pressing bar, and the tight-fit pressing bar is used for contacting and pressing the contact piece.

5. The power connector of claim 1, wherein: the fixed part is provided with fixed crossbeam compresses tightly, the spacing groove sets up on fixed crossbeam to communicate to compressing tightly the fixed part, the assembly part is provided with spacing buckle, the one end card of spacing buckle is established in the spacing inslot, in order to fix the assembly part at the spacing inslot.

6. The power connector of claim 1, wherein: the fixed cavity is characterized in that a supporting plate is arranged on the lower side of the fixed cavity and used for supporting the electric terminal so as to fix the electric terminal in the fixed cavity, and grooves are formed in the two sides of the supporting plate so that the supporting plate has tension force and the electric terminal clamp is fastened in the fixed cavity.

7. The power connector of claim 1, wherein: one side of locking groove is provided with the tear down groove, the one end of tear down groove communicates to the locking groove to correspond to the fixed station, set up on the fixed briquetting and dismantle the fixed slot, the one end of dismantling the fixed slot communicates to dismantling the groove.

8. The power connector of claim 1, wherein: the both sides of pedestal are provided with the draw-in groove, the one end in pre-installation groove and chucking groove all communicates to the draw-in groove, the both sides in locking groove are provided with the assembly spout, the one end of assembly pin is packed into by the assembly spout to make the assembly buckle card go into the pre-installation inslot, the rethread is pressed by pre-installation groove towards pressing, makes the assembly buckle card go into to the chucking groove.

9. The power connector of claim 1, wherein: the rectangular frame structural member is formed by stamping missile metal between the contact part and the assembly part, and one end of the wiring part is integrally formed on one side of the assembly part;

the wiring part comprises a first wire clamp and a second wire clamp, wherein the first wire clamp is used for conductor connection of a connecting wire, and the second wire clamp is used for external connection of the connecting wire;

the first wire clamp is provided with two extension pins, the fixed station is provided with pin clamp grooves, and the pin clamp grooves are used for clamping the two extension pins relatively so as to clamp the conductor of the connecting wire.

10. An assembling method for the power connector according to any one of claims 1 to 9, characterized in that: the method comprises the following steps: