CN215343091U

CN215343091U - Connecting terminal and socket connector

Info

Publication number: CN215343091U
Application number: CN202120844967.3U
Authority: CN
Inventors: 林培燕; 刘泽标; 林国军
Original assignee: Shenzhen Busbar Sci Tech Development Co Ltd
Current assignee: Shenzhen Busbar Sci Tech Development Co Ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-12-28
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a connecting terminal and a socket connector, wherein the connecting terminal comprises a front section, a middle section and a rear section which are integrally formed and sequentially arranged, one ends of the front section and the rear section are vertically connected with the middle section, the other ends of the front section and the rear section extend towards opposite directions, and two sides of the front section are respectively provided with at least one barb structure with an oblique angle. According to the utility model, the barb structures are arranged on the two sides of the front section of the terminal, so that the barb structures on the body can be clamped and fixed with the connector shell, the mounting structure of the terminal is simplified, the mounting efficiency can be improved, the number of parts can be reduced, and the cost can be reduced.

Description

Connecting terminal and socket connector

Technical Field

The present invention relates to the field of connector technologies, and in particular, to a connection terminal and a receptacle connector used in a connector.

Background

The high-voltage high-current connector is an important circuit element applied to a Power Distribution Unit (PDU) of a passenger electric vehicle, and has an important influence on the circuit performance of the passenger electric vehicle.

At present, a connector for electrifying current is generally connected with an external cable through a connecting terminal (such as a power terminal, a signal terminal and the like) so as to realize electrification, most of the existing connectors adopt a rear pressing plate type or other external structures to fix the connecting terminal, namely, the connecting terminal is assembled in a plastic connector in a clearance mode, and then the connecting terminal is fixed through a rear-end plastic piece so as to prevent the connecting terminal from falling out of the connector, but the structural mode not only increases the number of assembly cost and part cost, but also increases the product complexity, so that the installation space and the applicability of a client side are poor; in addition, when the connector and the installation space are both small, the strip-type sheet-shaped connection terminal is usually adopted, but due to the problem of limitation of the size of the installation space, the distance between two terminals on the connector is small, in order to meet the mutual electrical requirements, only the sheet-shaped terminal capable of bearing 4 square loads can be generally adopted, and the strip-type sheet-shaped connection terminal is not suitable for the current larger and larger overcurrent requirements, such as loads more than 6 square, and the like.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the connecting terminal, and the barb structures are arranged on the two sides of the front section of the terminal, so that the barb structures on the body can be clamped and fixed with the connector shell, the mounting structure of the terminal is simplified, the mounting efficiency can be improved, the number of parts can be reduced, and the cost can be reduced.

In order to solve the technical problem, the utility model provides a connecting terminal which comprises a front section, a middle section and a rear section which are integrally formed and sequentially arranged, wherein one ends of the front section and the rear section are vertically connected with the middle section, the other ends of the front section and the rear section extend towards opposite directions, and two sides of the front section are respectively provided with at least one barb structure with an oblique angle.

Further, the oblique angle on the barb structure with the back end is back of the body setting mutually.

Furthermore, the two ends of the middle section are respectively provided with a first arc transition part and a second arc transition part at the connection part of the front section and the rear section.

Furthermore, a jig hole penetrates through the middle of the first arc-shaped transition portion.

Furthermore, one side of the rear section extends outwards and vertically to be provided with a wiring section.

Furthermore, a through hole is arranged on the wiring section in a penetrating mode.

Furthermore, a notch is formed in the rear section of the inner side of the wiring section, so that the bending starting point between the rear section and the wiring section is located at the bottom of the notch.

Further, connecting terminal is integrated into one piece's slice, equal interval is equipped with two on the thickness face of anterior segment both sides the barb structure.

Furthermore, the middle of the front end of the front section extends forwards to form an insertion section, and the width of the insertion section is smaller than that of the front section; the front end of the insertion section is sleeved with an insulated anti-touch cap.

The utility model also provides a socket connector which comprises a socket shell and the connecting terminal, wherein at least one mounting hole is formed in the socket shell in a penetrating mode, the front section of the connecting terminal is pressed into the mounting hole, and the barb structure on the front section is clamped into the inner wall of the mounting hole.

The utility model has the following beneficial effects:

according to the utility model, the barb structures are arranged on the two sides of the front section of the terminal, so that the barb structures on the body can be clamped and fixed with the connector shell, the mounting structure of the terminal is simplified, the mounting efficiency can be improved, the number of parts can be reduced, and the cost can be reduced; in addition, the terminal is designed into a bending structure with the front section, the middle section and the rear section being integrated, so that the distance between the two terminals in the connector is pulled open by utilizing the outward expansion of the rear section, and a connecting terminal capable of bearing 6 square-size load can be adopted under the condition that the reliability requirement of electrical connection is met when the connector is used, so that the overcurrent capacity of the connector is improved under the condition that the size and the installation space of the connector are not changed; the first arc-shaped transition part is provided with a jig hole which is used for being matched with an external installation jig to press the connecting terminal into the connector shell, so that the installation is convenient; the connection structure of the connection section on the connection terminal and the cable can be connected and conducted in a plugging or screw fixing mode, the connection between the connection section and the cable is firm and reliable, the temperature rise condition is good, the situations of power failure caused by overheating and loosening due to poor contact can be avoided, the safety performance is good, the use condition is stable and reliable, and the assembling and disassembling process can be simplified; the utility model has the characteristics of simple structure and low cost.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model:

FIG. 1 is a schematic view of a connection terminal in embodiments 1 and 2;

fig. 2 is a front view of the connection terminal in embodiments 1 and 2;

FIG. 3 is a schematic view of a receptacle connector according to embodiment 2;

fig. 4 is a longitudinal sectional view of the receptacle connector of embodiment 2;

FIG. 5 is a cross-sectional view of the socket connector at the resilient snap in embodiment 2;

fig. 6 is a transverse sectional view of the receptacle connector at the connection terminal in embodiment 2;

fig. 7 is a sectional view of the receptacle connector at the connection portion in embodiment 2;

FIG. 8 is a schematic view of a socket housing according to embodiment 2;

FIG. 9 is a schematic view of a positioning rubber core in example 2;

FIG. 10 is a schematic view of another perspective of the positioning rubber core in embodiment 2.

Detailed Description

For a fuller understanding of the technical aspects of the present invention, reference should be made to the following detailed description taken together with the accompanying drawings; it should be noted that, if "first" or "second" is described in the text, it is used to distinguish different components, and the like, and does not represent the order of precedence, and does not limit "first" and "second" to be different types.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 and fig. 2, the connection terminal 2 shown in this embodiment includes a front section 21, a middle section 22 and a rear section 23 that are integrally formed and sequentially disposed, one end of each of the front section 21 and the rear section 23 is perpendicularly connected to the middle section 22, that is, the front section 21 and the rear section 23 are connected to each other and are bent into a right angle, and the other ends of the front section 21 and the rear section 23 extend in opposite directions, that is, one extends forward and the other extends backward, the extending directions of the two are parallel, and at least one barb structure 212 having an oblique angle 211 is disposed on both sides of the front section 21; in the terminal, the barb structures are arranged on the two sides of the front section of the terminal, so that the barb structures on the body can be clamped and fixed with the connector shell, the mounting structure of the terminal is simplified, the mounting efficiency can be improved, the number of parts can be reduced, and the cost can be reduced; in addition, the terminals are designed into a bending structure with the front section, the middle section and the rear section being integrated, so that the distance between the two terminals in the connector is pulled open by outwards expanding the rear section, and the connecting terminals capable of bearing loads of 6 square sizes can be adopted when the connector is used under the condition that the reliability requirement of electrical connection is met, so that the overcurrent capacity of the connector is improved under the condition that the size and the installation space of the connector are not changed.

Specifically, the bevel angle 211 on the barb structure 212 is opposite to the back section 23, that is, it faces the front section 21, so that when the front section 21 of the terminal is pressed into the connector housing, the bevel angle is consistent with the inserting direction, and the bevel angle of the inclination is utilized to facilitate the insertion of the connecting terminal into the housing.

Specifically, the joints between the two ends of the middle section 22 and the front section 21 and the rear section 23 are respectively provided with a first arc-shaped transition part 221 and a second arc-shaped transition part 222, so that the strength and the bending reliability of the joints are improved by arc-shaped transition; and a jig hole 223 penetrates through the middle of the first arc-shaped transition part 221, and the jig hole 223 is used for being matched with an external mounting jig to press the connecting terminal into the connector shell, so that the mounting and the dismounting are convenient.

Specifically, one side of the rear section 23 extends outwards and is vertically provided with a wiring section 24, the center of the wiring section 24 is provided with a through hole 241 in a penetrating manner, and a structure for connecting the wiring section and a cable can be connected and conducted in an inserting or screw fixing manner, so that the connection is firm and reliable, the temperature rise condition is good, the condition of power failure caused by overheating and loosening due to poor contact can not occur, the safety performance is good, the use condition is stable and reliable, and the assembling and disassembling process can be simplified; in this embodiment, the extending direction of the wire connecting section is set towards the inner side (i.e. extending vertically to the extending line of the front section), and compared with the manner of extending towards the outer side, the occupied space area of the connecting terminal can be reduced, the requirement of the installation space of the connecting terminal can be reduced, and the connecting terminal can be conveniently installed in a small connector housing.

Specifically, a concave notch 231 is arranged on the rear section 23 on the inner side of the wiring section 24, so that the bending starting point between the rear section 23 and the wiring section 24 is positioned at the bottom of the notch 231, and the surface of the wiring section 24 can be flush with the surfaces of the front section 21 and the middle section 22 after the wiring section is bent by using the mode of reducing the bending point, so that the volume of the wiring section is reduced.

In this embodiment, the connection terminal is an integrally formed sheet, two barb structures 212 are disposed on the thickness surfaces (i.e., the surfaces representing the thickness) of the two sides of the front section 21 at intervals, and the bonding force between the connection terminal and the connector housing can be improved by using the plurality of barb structures.

Specifically, the middle of the front end of the front section 21 extends forwards to be provided with the plug section 25, the width of the plug section 25 is smaller than that of the front section 21, and the plug section is used for being plugged with an external matched jack terminal, so that the load capacity of the terminal is improved by increasing the widths of the rear front section, the middle section and the rear section without changing the standard of the original plug interface.

In this embodiment, the front end of the plug section 25 is sleeved with an insulating anti-touch cap 26, and after the connection terminal is installed in the connector housing, the anti-touch cap can be used to prevent the safety problem of electric shock caused by direct touch of the hand on the connection terminal.

Example 2

As shown in fig. 1 to 10, the receptacle connector shown in this embodiment includes a receptacle housing 1, a connection terminal 2 and a positioning rubber core 3, where the receptacle housing 1 includes a plugging end 11 whose front end is used for plugging a mating plug and a terminal 12 whose rear end is used for connecting a cable, both sides of the front end of the connection terminal 2 are provided with at least one barb structure 212 having an oblique angle 211, at least one mounting hole 10 extending along the plugging end 11 and the terminal 12 penetrates through the receptacle housing 1, the front end of the connection terminal 2 is pressed into the mounting hole 10, and the barb structure 212 is clamped into an inner wall of the mounting hole 10; the positioning rubber core 3 is clamped in the wiring terminal 12, and the positioning rubber core 3 presses the connection terminal 2 forwards; in the aforesaid, all set up the barb structure in the both sides of connecting terminal front end to usable barb structure card is gone into and is realized that the block is fixed by the interference by force in the socket casing, has simplified the mounting structure of terminal, can also improve the installation effectiveness, reduce part quantity, reduce cost, still be provided with the location that compresses tightly connecting terminal forward in the socket casing and glue the core, utilize the location to glue the core and realize the dual fixed action to the terminal, improved structural reliability, have simple structure, with low costs, be convenient for equipment and the characteristics of dismantling.

Specifically, the inserting end 11 includes an inserting portion 111 having two mounting holes 10 and a ring wall 112 surrounding the outer circumference of the inserting portion 111, and an inserting groove 113 is formed between the inserting portion 111 and the ring wall 112 for inserting a mating plug, and a connecting terminal 2 is disposed in each mounting hole 10.

In this embodiment, the receptacle connector further includes a shielding plate 4 fitted around the outer periphery of the insertion part 111, and the shielding plate 4 has a plurality of shielding claws 41 extending to the outer periphery of the terminal 112 at the rear end thereof.

In this embodiment, the connection terminal 2 includes a front section 21, a middle section 22 and a rear section 23 which are integrally formed and sequentially arranged, one end of each of the front section 21 and the rear section 23 is perpendicularly connected with the middle section 22, that is, the front section 21 and the rear section 23 which are connected with each other are bent into a right angle, and the other end of each of the front section 21 and the rear section 23 extends in opposite directions, that is, one extends forward and the other extends backward, the extending directions of the front section 21 and the rear section 23 are parallel, two barb structures 212 are arranged at intervals on two sides of the front section 21, and an oblique angle 211 on each barb structure 212 is arranged opposite to the rear section 23, that is, the oblique angle faces the front section 21, so that when the front section 21 of the terminal is pressed into the connector housing, the oblique angle is consistent with the inserting direction, the connection terminal is conveniently inserted into the socket housing by using the oblique angle, and the binding force between the connection terminal and the socket housing can be improved by using a plurality of barb structures; the front section 21 is inserted into the mounting hole 10, the end surface of the inner side of the middle section 22 is abutted against the end surface of the wiring terminal 12 to form a forward stopping effect, and the forward and backward movement stopping and positioning effect on the connection terminal is realized by matching with the barb structure; in the above-mentioned, through designing into the bending structure that preceding middle-and-back three-section is the integral type with the terminal to utilize the back end outwards to expand the distance that pulls open between the connector middle-and-end terminal, thereby when satisfying the reliability requirement of electrical connection when the connector uses, can adopt the connecting terminal that can bear 6 square size loads, thereby improved its overcurrent ability under the unchangeable condition of connector size and installation space.

In this embodiment, the connection terminal 2 is a sheet integrally formed, and the barb structures 212 are disposed on the thickness surfaces (i.e., the surfaces representing the thickness) of the front section 21.

Specifically, the middle of the front end of the front section 21 extends forwards to be provided with the plug section 25, the width of the plug section 25 is smaller than that of the front section 21, and the plug section 25 is arranged in the plug part 111 and is used for being plugged with the jack terminal on the plug, so that the load capacity of the terminal is improved by increasing the widths of the rear front section, the middle section and the rear section under the condition that the original standard of the plug port is not changed.

In this embodiment, the wiring terminal 12 is provided with a mounting groove 121 engaged with the positioning rubber core 3, and the front sections 21 of the two connection terminals 2 are located on two sides of the groove wall of the mounting groove 121, so that the positioning rubber core 3 is located between the two connection terminals 2, and the barb structures 212 on the front section 21 are clamped into the groove wall.

In this embodiment, the positioning rubber core 3 includes a main body 30 and a positioning piece 31 disposed at the front end of the main body 30 and extending forward to be inserted into the mounting groove 121, both sides of the positioning piece 31 are both provided with at least one elastic buckle 32 facing the main body 30 in an inclined manner, that is, the elastic buckle 32 is arranged in a reverse direction, the inner wall of the mounting groove 121 is concavely provided with a clamping groove 122 clamped with the elastic buckle 32, so as to utilize the ear portion to compress forward and fix the connection terminal 2, when the positioning piece 31 is inserted forward into the socket housing, the elastic buckle is compressed downward, when the socket housing is assembled in place, the elastic buckle and the clamping groove are clamped to prevent the elastic buckle from sliding out in a reverse direction, both left and right sides of the main body 30 are both provided with the ear portion 33 extending outward and located outside the middle section 22, and the end face of the ear portion 33 is abutted to the end face of the outside of the middle section 22; a positioning part 34 extends from the front side/the rear side of the main body 30, at least one positioning hole 341 penetrates through the positioning part 34 from front to back, and a fixing column 123 in inserted fit with the positioning hole 341 is arranged on the end surface of the terminal 12; in the aforesaid, this location is glued the spacer of core at first accessible front end and is realized the block with the connector casing and be connected, and set up the ear in the both sides of main part, two usable ears come to compress tightly forward and fix two connecting terminal in the connector casing like this, realize the fixed design of the partition of connecting terminal and gluey core, and reduced the demand to the inside installation space of connector casing, be convenient for the equipment of each part of little connector, still set up location portion and connector casing cooperation on gluing the core, realize fixing a position the equipment to the equipment direction of this location gluey core, it packs into the connector casing to be convenient for, reduce because of the same equipment difficulty problem that leads to because of manufacturing error when blindly inserting of both sides structure, and the device has the advantages of simple structure, low cost, be convenient for equipment and dismantlement.

Specifically, the positioning plate 31 comprises a connecting portion 311 located at the front end of the main body 30, a guide portion 312 located in the middle of the front end of the connecting portion 311 and extending forwards, and two flat plates 313 extending in the middle of the two sides of the guide portion 312 and located at the front end of the connecting portion 311, wherein the thickness of the flat plates 313 is smaller than that of the connecting portion 311 and the guide portion 312, so that a certain step height difference exists between the surfaces of the two sides of the flat plates 313 and between the connecting portion 311 and the guide portion 312, and the step height difference is used for arranging and accommodating the elastic buckles, so that the occupied space of the elastic buckles is reduced, and the miniaturized design of the positioning rubber core is realized; specifically, two elastic buckles 32 are respectively arranged on the two side surfaces of the flat plate, that is, two elastic buckles are respectively arranged on the two sides of the positioning plate, the front ends of the elastic buckles 32 are arranged on the front end surface of the flat plate 313, the rear ends of the elastic buckles 32 extend upwards in an inclined manner towards the connecting part 311, and the highest point of the rear ends of the elastic buckles 32 is higher than the surface of the connecting part 311, so that the reverse blocking effect of the elastic buckles is ensured.

Specifically, the both sides surface of guide part 312 is equipped with guide way 314 by preceding backward extension, and guide way 314 extends to connecting portion 311 on the surface backward, on the inner wall of mounting groove 121 the protruding boss 124 that is equipped with guide way 314 complex, utilizes guide way and boss to insert the spacer in the socket casing and lead the installation and realize preliminary location.

Specifically, two raised positioning columns 35 are arranged on the front end face of the guide part 312 at intervals, a groove hole 125 matched with the positioning column 35 in an inserting mode is formed in the bottom of the inner side of the mounting groove 121, the positioning column and the groove hole are used for achieving the purpose of positioning in the mounting groove, the positioning column 35 is a round table with a small front end and a large rear end, and the positioning column and the socket shell are convenient to assemble and insert.

In an embodiment, two positioning holes 341 are formed in the positioning portion 34 in a front-back penetrating manner, so that the positioning holes and the fixing posts are utilized to achieve the purpose of external positioning, and the positioning holes and the fixing posts are matched to achieve the purpose of three-point positioning, thereby avoiding the problems of deflection and movement of the positioning rubber core after assembly.

Specifically, the positioning portion 34 is further provided with a through hole 342 passing through the front and back for a cable or a pin to pass through, and the through hole 342 is located between the two positioning holes 341.

In this embodiment, a square mounting plate 13 is further provided at the rear end of the insertion end 11, and a sealing ring 14 surrounding the terminal 12 is provided at the rear side of the mounting plate.

In one embodiment of the utility model, the positioning rubber core is integrally formed by plastic, so that the positioning rubber core is convenient to manufacture and produce and has low cost.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.

Claims

1. The utility model provides a connecting terminal, its characterized in that includes integrated into one piece and anterior segment (21), middle section (22) and back end (23) that set gradually, the one end of anterior segment (21) and back end (23) all with middle section (22) are connected perpendicularly, just the other end of anterior segment (21) and back end (23) extends towards opposite direction, the both sides of anterior segment (21) all are equipped with at least one barb structure (212) that have oblique angle (211).

2. A connection terminal according to claim 1, wherein the bevel (211) on the barb structure (212) is located opposite the rear section (23).

3. A connection terminal according to claim 2, wherein a first curved transition portion (221) and a second curved transition portion (222) are provided at the junction of the two ends of the middle section (22) with the front section (21) and the rear section (23), respectively.

4. A connecting terminal according to claim 3, wherein a jig hole (223) is provided through the middle of the first arc-shaped transition portion (221).

5. A connecting terminal according to claim 4, characterized in that one side of the rear section (23) extends perpendicularly outwards with a terminal section (24).

6. A connecting terminal according to claim 5, characterized in that a through-hole (241) extends through the terminal section (24).

7. A connection terminal according to claim 6, characterized in that the rear section (23) inside the wire connection section (24) is provided with a notch (231) so that the origin of the bend between the rear section (23) and the wire connection section (24) is at the bottom of the notch (231).

8. A connecting terminal according to claim 7, characterized in that the connecting terminal (2) is in the form of an integrally formed plate, and two barb structures (212) are provided on the thickness surface of both sides of the front section (21) at intervals.

9. A connecting terminal according to claim 8, characterized in that the front end of the front section (21) extends forward in the middle with a plug section (25), the width of the plug section (25) being smaller than the width of the front section (21); the front end part of the plug-in section (25) is sleeved with an insulated anti-touch cap (26).

10. Socket connector, characterized in that, including socket shell (1) and the connecting terminal of any one of claims 1-9, at least one mounting hole (10) is provided through socket shell (1), anterior segment (21) of connecting terminal (2) is pressed into the mounting hole (10), barb structure (212) on the anterior segment (21) is snapped into the inner wall of the mounting hole (10).