CN220172406U

CN220172406U - Electric connector

Info

Publication number: CN220172406U
Application number: CN202320862968.XU
Authority: CN
Inventors: 罗大芬; 郑秋新
Original assignee: Shenzhen Shenghang Precision Connector Co ltd
Current assignee: Shenzhen Shenghang Precision Connector Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-12-12
Anticipated expiration: 2033-04-10

Abstract

The utility model is applicable to the field of electrical component connectors, and provides an electrical connector, which comprises: an insulator; the terminal is arranged on the insulator and comprises a plurality of contact pieces which are sequentially arranged; the grounding piece comprises a conducting piece, a connector and a plurality of pins, wherein the conducting piece is in a strip shape, the connector extends from one long side of the conducting piece to one side face of the conducting piece, a slot matched with the connector is formed in the insulator, the pins extend from the other long side of the conducting piece to the other side face of the conducting piece, the distances between the pins are equal, and the pins are in contact with the contact piece needing to be shorted. The grounding piece has only two bending positions altogether, is easy to process, is favorable for reducing production cost, and is not easy to break, and the product rigidity is improved, so that the grounding piece is well contacted with the terminal, and the problem of bad open circuit of the electric connector is avoided.

Description

Electric connector

Technical Field

The utility model belongs to the field of electric element connectors, and particularly relates to an electric connector.

Background

The electrical connector is also called an electrical connector for connecting two active devices such that current or signals can be transferred between the two active devices. The electric connector is used for connecting the active device, so that the electric connector is convenient to assemble and disassemble, easy to maintain and replace and extremely wide in application in production and living.

The terminals of the electrical connector are disposed in slots of the insulator, which serves to secure the terminals. The terminal is provided with a plurality of contacts with different functions, the contacts are arranged according to a certain sequence, in order to realize certain specific functions, the terminal needs to be short-circuited with the contacts with certain functions, and the contacts with other functions are generally responsible for the same function, and the interval number of the contacts with other functions is equal. In the prior art, concave-convex grounding plates are arranged to realize short circuit, convex parts of the grounding plates are used for contacting with the contact plates needing short circuit, concave parts of the grounding plates are used for enabling other functional contact plates with middle intervals to be opened, and the contact with other functional contact plates is avoided. The concave-convex type grounding piece is designed with continuous reading multi-bending, the die is complex, the production cost is high, the rigidity of the product is poor, the product is easy to break, the flatness of the product is poor, the contact between the grounding piece and a terminal is poor, and the electrical connector is poor in open circuit.

Disclosure of Invention

The embodiment of the utility model provides an electric connector, which aims to solve the problems of poor contact between a grounding piece and a terminal, poor open circuit of the electric connector caused by poor rigidity, easy breakage and poor flatness of a product of the traditional electric connector due to excessive continuous bending of the grounding piece, complex die and high production cost of the traditional electric connector.

Embodiments of the present utility model are thus implemented, an electrical connector, comprising:

an insulator;

the terminal is arranged on the insulator and comprises a plurality of contact pieces which are sequentially arranged; and

the grounding piece comprises a conducting piece, a connector and a plurality of pins, wherein the conducting piece is in a strip shape, the connector extends from one long side of the conducting piece to one side of the conducting piece, a slot matched with the connector is formed in the insulator, the pins extend from the other long side of the conducting piece to the other side of the conducting piece, the distance between every two pins is equal, and the pins are in contact with a contact piece needing to be shorted.

Further, the extending directions of the pins and the connectors are perpendicular to the conductive sheet.

Further, the conductive sheet, the pins and the connector are integrally formed.

Further, the joint width is greater than three times the pin width.

Further, the conductive sheet is provided with process notches at two sides of the joint connection part.

Further, the terminal is provided on an injection-molded member, and is connected to the insulator through the injection-molded member.

Further, the width of the pins is not larger than the width of the contact plates needing to be shorted.

Further, the length of the pins is not greater than the length of the contact plates needing to be shorted.

Further, the pins and the contact pieces needing to be shorted are welded by laser.

The grounding piece of the electric connector has the beneficial effects that as the grounding piece of the electric connector is provided with the conducting piece, a plurality of pins extend to one side surface of the conducting piece along one long side of the conducting piece, a plurality of joints extend to the other side surface of the conducting piece along the other long side of the conducting piece, and a plurality of bending positions are arranged between the conducting piece and the joints, so that the electric connector is easy to process, is beneficial to reducing the production cost, and is not easy to break, and the flatness of the product is improved, so that the grounding piece is well contacted with a terminal, and the problem of bad open circuit of the electric connector is avoided.

Drawings

FIG. 1 is a schematic diagram of a state of connection between a ground pad and a contact pad according to the prior art;

FIG. 2 is a schematic view of an electrical connector according to the present utility model;

FIG. 3 is a schematic view of a grounding plate structure according to the present utility model;

fig. 4 is a schematic diagram of a connection state between a ground pad and a contact pad according to the present utility model.

Description of main reference numerals:

100. an electrical connector;

10. a grounding plate; 11. a conductive sheet; 12. a pin; 13. a joint; 14. a process notch;

20. a terminal; 30. an injection molding; 31. a buckle head; 40. an insulator; 41. and (5) buckling points.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

According to the utility model, the grounding piece of the electric connector is provided with the conductive piece, a plurality of pins are arranged along one long side of the conductive piece towards one side surface of the conductive piece, a plurality of joints are arranged along the other long side of the conductive piece towards the other side surface of the conductive piece, a plurality of bends are arranged between the conductive piece and the joints, and only two bending positions are provided, so that the electric connector is easy to process, is beneficial to reducing the production cost, and is not easy to break, and the flatness of the product is improved, so that the grounding piece is well contacted with the terminals, and the problem of bad open circuit of the electric connector is avoided.

Example 1

Referring to fig. 1, a conventional grounding plate 10 for implementing a shorting function is a concave-convex grounding plate 10, a convex portion of the grounding plate 10 is used to contact a contact plate to be shorted, and a concave portion of the grounding plate 10 is used to let other functional contacts with intermediate intervals avoid contact with other functional contacts. The concave-convex type grounding plate 10 is designed with continuous reading multiple bending, the die is complex, the production cost is high, the rigidity of the product is poor, the product is easy to break, the flatness of the product is poor, and the grounding plate 10 is poor in contact with the terminal 20, so that poor open circuit occurs.

Referring to fig. 2 to 4, the present embodiment provides an electrical connector 100, including: insulator 40, terminal 20, and ground plate 10; the terminal 20 is arranged on the insulator 40, and the terminal 20 comprises a plurality of contact pieces which are arranged in sequence; the grounding sheet 10 comprises a conductive sheet 11, a connector 13 and a plurality of pins 12, wherein the conductive sheet 11 is in a strip shape, the connector 13 extends from one long side of the conductive sheet 11 to one side of the conductive sheet 11, a slot matched with the connector 13 is arranged on the insulator 40, the pins 12 extend from the other long side of the conductive sheet 11 to the other side of the conductive sheet 11, the distances between the pins 12 are equal, and the pins 12 are in contact with a contact sheet needing to be shorted.

Specifically, the electrical connector includes an insulator 40, a terminal 20, and a ground plate 10, the terminal 20 being fixedly connected to the insulator 40. The terminal 20 comprises a plurality of sequentially arranged contacts, each contact has different functions, the contacts with different functions are sequentially arranged into a group, a plurality of groups of contacts are arranged, and the contacts with the same function are provided with other functional contacts with equal interval numbers in the middle. To achieve certain specific functions, the ground pad 10 is required to short the contacts of a certain function.

Referring to fig. 3, the conductive sheet 11 may be a rectangular sheet-shaped conductor, two sides of the conductive sheet 11 are a front side and a back side, a plurality of pins 12 extend from one long side of the conductive sheet 11 toward the front side of the conductive sheet 11, and the pins 12 are made of a conductive material. The number of the pins 12, that is, the number of the pins 12, is at least two, may be three, may be other, and the number of the pins 12 specifically arranged is determined according to the number of the contacts which are in short circuit as required. The pins 12 are connected through the conductive sheet 11 for shorting the contact sheet connected to the pins 12. And connectors 13 extend out of the other long side of the conductive sheet 11 towards the back side of the conductive sheet 11, at least one connector 13 is arranged, the connectors 13 are used for fixing the grounding sheet 10, and the materials of the connectors 13 can be conductors or nonconductors, so that the requirements are not met.

Specifically, the side of the extended pins 12 facing the conductive sheet 11 is the front side of the pins 12, and the side facing away from the conductive sheet 11 is the back side of the pins 12. The contact is orderly arranged on the mounting surface of the insulator 40, the back surface of the conducting strip 11 is attached to the mounting surface of the insulator 40, the back surface of the pin 12 is attached to the contact which needs to be shorted, the insulator 40 is provided with a slot which is matched with the connector 13, the connector 13 is inserted into the slot, and the position of the grounding strip 10 is fixed, so that the pin 12 is attached to the contact which needs to be shorted, the position movement of the grounding strip 10 is avoided, and the grounding strip 10 is contacted with other contacts which do not need to be shorted.

Preferably, the number of the connectors 13 is at least two, and may be two, and the two connectors 13 may effectively avoid the ground plate 10 from deflecting in a fixed plane, so as to avoid the ground plate 10 from extruding the contact, or may be three, four or other numbers, and since the conductive plate 11 is in a strip shape, the number of the connectors 13 may be set according to specific situations for connection stability.

Example two

Referring to fig. 3, in the present embodiment, the extending directions of the pins 12 and the contacts 13 are perpendicular to the conductive sheet 11.

Specifically, the terminals 20 of the electrical connector 100 may be directly connected to the insulator 40, or may be connected to the insulator 40 by injection molding 30, and the terminals are fixed to ensure that the contacts on the terminals are arranged in a certain order. The caulking groove is arranged on the fixing plane of the fixing terminal, the contact is embedded into the caulking groove for fixing, the contact is right-angled to the fixing plane, and the contact is more convenient to insert into the caulking groove.

The back of the conductive sheet 11 is attached to the fixing plane of the fixing terminal, the back of the pin 12 is attached to the contact, and the contact is at right angles to the fixing plane, so that the contact 12 is kept in contact with the contact, the contact 13 is at right angles to the conductive sheet 11, i.e. the extending direction of the contact 13 is perpendicular to the conductive sheet 11.

The connector 13 is used for fixing the position of the grounding plate 10, the conductive plate 11 is attached to the fixing plane of the fixed terminal, and the connector 13 is perpendicular to the conductive plate 11 so as to facilitate the insertion or the extraction of the connector 13.

Preferably, the bending parts between the pins 12 and the conductive sheets 11 and the bending parts between the connectors 13 and the conductive sheets 11 are rounded, so that the production and the manufacture are facilitated, the stress concentration collapse parts can be avoided, the rigidity of the grounding sheet 10 is improved, and the service time of the grounding sheet 10 is prolonged.

Example III

Referring to fig. 3, in the present embodiment, the conductive sheet 11, the pins 12, and the contacts 13 are integrally formed.

Specifically, the conductive sheet 11, the pins 12 and the connectors 13 are connected with each other, and the structure is simple and integrated. The conducting strip 11, the pins 12 and the connectors 13 are processed on the same plate material, and then the metal plate is bent to form an angle, so that the working procedure is simple, and the processing cost is saved. And the integrated forming has no welding trace, namely no welding stress point, so that the quality of the grounding plate 10 is improved, and the service life of the grounding plate 10 is prolonged.

Example IV

Referring to fig. 3, in the present embodiment, the width of the tab 13 is greater than three times the width of the pin 12.

Specifically, the length of the tab 13 is along the extending direction of the tab 13, and the width of the tab 13 is perpendicular to the extending direction, coinciding with the extending direction of the conductive sheet 11. The connector 13 is used for fixing the grounding plate 10, the grounding plate 10 is long, and the wider the connector 13 is, the better the fixing property of the grounding plate 10 is. The width of the connector 13 is three times larger than that of the pin 12, so that the stability of fixing the grounding plate 10 can be well ensured.

Specifically, the width of the connector 13 may be three, four, five or other times the width of the pins 12, with specific width settings being specifically considered in terms of actual manufacturing process and use.

Example five

Referring to fig. 3, in the present embodiment, the conductive sheet 11 is notched with process notches 14 on both sides of the joint 13.

Specifically, the conductive sheet 11, the pins 12 and the connectors 13 are integrally formed, a bending part is arranged between the conductive sheet 11 and the connectors 13, the grounding sheet 10 is a sheet metal part, and the angles of the pins 12 and the connectors 13 are formed by bending sheet metal. The sheet metal part is provided with a process notch 14 at the bending position, and the process notch 14 is used for facilitating subsequent sheet metal bending. When the sheet metal bending line crosses at one point, and the sheet metal material is still arranged on the cross point extension line, the process notch 14 needs to be arranged to avoid bending and pulling.

Example six

Referring to fig. 2 and 4, in the present embodiment, the terminal 20 is provided on the insulator 40 by the injection molding 30.

Specifically, the terminal 20 is disposed on the injection molding member 30, the insulator 40 is provided with a mounting groove for mounting the injection molding member 30, the inner wall of the mounting groove is provided with a buckling point 41, and the injection molding member 30 is provided with a buckling head 31 adapted to the buckling point 41. The injection molding piece 30 provided with the terminal 20 is placed in the mounting groove, and the buckling head 31 on the injection molding piece 30 is clamped with the buckling point 41 on the inner wall of the mounting groove, so that the injection molding piece 30 is fixed in the mounting groove.

Compared with the terminal 20 directly arranged on the insulator 40, the terminal 20 is connected with the insulator 40 through the injection molding piece 30, the injection molding piece 30 is smaller in size, the terminal 20 is conveniently arranged on the injection molding piece 30, the installation difficulty is lower, and the operation of workers is convenient.

Example seven

Referring to fig. 2 and 4, in the present embodiment, the width of the pins 12 is not greater than the width of the contact to be shorted.

Specifically, the plurality of contacts are arranged according to a certain sequence, the contacts with different functions are adjacent, the grounding plate 10 has the functions of conducting and shorting, and if the grounding plate contacts with other contacts without shorting, the contacts without shorting are shorted, which can affect the realization of the overall functions of the electrical connector 100. The width of the pins 12 is equal to or smaller than the width of the contact to be shorted, so as to avoid erroneous contact with the adjacent contact caused by the too wide pins 12.

Preferably, the width of the pin 12 is equal to the width of the contact to be shorted, and on the basis of avoiding erroneous contact with an adjacent contact, the pin 12 and the contact are guaranteed to have the largest contact surface, so as to guarantee better implementation of the shorting function.

Example eight

Referring to fig. 2 and 4, in the present embodiment, the length of the pins 12 is not greater than the length of the contacts.

Specifically, one end of the terminal 20 goes deep into the inside of the insulator 40, and the other end of the terminal 20 is used for connection with an external device. The pin 12 is connected to one end of the terminal 20 for connection to an external device, and if the length of the pin 12 is greater than the length of the terminal 20, the pin 12 contacts the external device when the terminal 20 is connected to the external device, causing a hindrance, so that the external device cannot be connected to the terminal 20 or is damaged. The length of the pins 12 is not greater than the length of the contact, so that the pins 12 and external devices can be prevented from being blocked.

Example nine

In this embodiment, the pins 12 are laser welded to the contacts.

Specifically, laser welding is a method of welding with heat generated by bombarding a weldment with a focused laser beam as an energy source. The laser welding has low heat input and small welding deformation, and is very suitable for small parts.

The pin 12 and the contact are welded together by laser welding, so that the pin 12 and the contact are relatively fixed, the pin 12 is prevented from contacting with the adjacent contact, the contact disconnection between the pin 12 and the contact is avoided by colleagues, and the realization of a short circuit function is ensured.

In this embodiment, the conductive sheet 11 is provided, the plurality of pins 12 are provided along one long side of the conductive sheet 11 to one side of the conductive sheet 11, a bending exists between the conductive sheet 11 and the pins 12, the plurality of joints 13 are provided along the other long side of the conductive sheet 11 to the other side of the conductive sheet 11, a bending exists between the conductive sheet 11 and the joints 13, and only two bending positions are provided, so that the conductive sheet 11 is easy to process, the production cost is reduced, the rigidity of the product is improved, the product is not easy to break, the flatness of the product is improved, the contact between the grounding sheet 10 and the terminal 20 is good, and the problem of bad open circuit of the electric connector is avoided.

It is understood that those skilled in the art can combine the various embodiments of the above embodiments to obtain technical solutions of the various embodiments under the teachings of the above embodiments.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. An electrical connector, comprising:

an insulator;

2. The electrical connector of claim 1, wherein the pins and the contacts extend in directions perpendicular to the conductive pads.

3. The electrical connector of claim 2, wherein the conductive tab, the pin, and the header are integrally formed.

4. The electrical connector of claim 3, wherein the tab width is greater than three times the pin width.

5. The electrical connector of claim 3, wherein the conductive tab is notched on both sides of the tab connection.

6. The electrical connector of claim 1, wherein the terminals are disposed on the insulator by injection molding.

7. The electrical connector of claim 1, wherein the width of the pins is less than or equal to the width of the contacts to be shorted.

8. The electrical connector of claim 1, wherein the length of the pins is less than or equal to the length of the contacts to be shorted.

9. The electrical connector of claim 1, wherein the pins are laser welded to the contact to be shorted.