CN215008724U

CN215008724U - Conductive terminal group for electric connector

Info

Publication number: CN215008724U
Application number: CN202121428839.7U
Authority: CN
Inventors: 刘瑞东
Original assignee: Suzhou Fufeng United Electronic Co ltd
Current assignee: Suzhou Fufeng United Electronic Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-03
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a conductive terminal group for electric connector belongs to the electricity and connects with part technical field. The bottom end of a first terminal in the conductive terminal group is fixedly provided with a grounding terminal which can be fixedly connected with a circuit board, and each grounding terminal is fixedly connected with a second terminal which is electrically connected with the circuit board; the top end of the first terminal is provided with an elastic connecting mechanism which can be elastically connected with an external circuit; the middle section of the first terminal is provided with a mounting groove for detachably and slidably inserting the flexible conductive mechanism, wherein the flexible conductive mechanism is electrically connected with the grounding terminal. This conductive terminal group utilizes elastic connection mechanism and bullet claw in the use, can have great range to rock when droing at the external connection, to the pulling force buffering of rocking of external connection, prevents that electrified external connection and other terminal contacts from causing the short circuit, and folding hose is synchronous flexible, keeps apart the insulation to the spring, and the security is higher.

Description

Conductive terminal group for electric connector

Technical Field

The utility model relates to a conductive terminal group especially relates to a conductive terminal group for electric connector, belongs to the electric connection and uses part technical field.

Background

The conductive terminal is an accessory product for realizing electrical connection, and is industrially classified into the category of an electrical connector. With the increasingly higher degree of industrial automation and the increasingly strict and precise industrial control requirements, the usage amount of the conductive terminals gradually rises, and the conductive terminals are increasingly used in a wider range and more varieties. When multiple lines are connected, it is usually necessary to use conductive terminal sets for wiring.

The conductive terminal group structure applied to the electric connector in the prior art can prevent the condition of infirm welding caused by falling of solder when welding a lead-free tin core, and can increase the firmness of the terminal. However, in the prior art, when the external connection circuit is actually used for connection, the external connection circuit is only compressed and fixed through the spring claws, and when the wire diameter of the circuit is small, the pressing force of the spring claws is small, the circuit is easy to fall off, so that the circuit is easy to mistakenly touch other terminals to cause short circuit.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems in the background art, the present invention provides a conductive terminal set for an electrical connector to solve the problems in the background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a conductive terminal group for an electric connector comprises at least one terminal group, wherein the terminal group comprises a plurality of first terminals which are arranged on a circuit board at intervals, the top ends of the first terminals are provided with insertion ports,

the bottom end of each first terminal is fixedly provided with a grounding terminal which can be fixedly connected with the circuit board, and each grounding terminal is fixedly connected with a second terminal which can be electrically connected with the circuit board;

the top end of each first terminal is fixedly connected with an elastic connecting mechanism which can be elastically connected with an external circuit;

the middle section of each first terminal is provided with a mounting groove distributed along the radial direction, a flexible conductive mechanism capable of flexibly conducting electricity with an external circuit is detachably inserted in the mounting groove in a sliding mode, and the flexible conductive mechanism is electrically connected with the grounding terminal; and the inner wall of the socket of the first terminal is positioned above the mounting groove and is fixedly provided with a plurality of elastic claws at intervals.

The further technical scheme is as follows:

the flexible conductive mechanism comprises a mounting ring which is inserted on the inner wall of the mounting groove in a sliding manner, conductive silicon rubber is fixedly arranged on the inner wall of the mounting ring, an insertion hole is formed in the top surface of the conductive silicon rubber, and an external circuit connector is inserted in the insertion hole and flexibly contacts with the conductive silicon rubber.

The further technical scheme is as follows:

the bottom end of the first terminal is internally provided with a conductive column capable of conducting electricity in a penetrating mode, the top end of the conductive column can be in contact with the conductive silicon rubber, and the bottom end of the conductive column is in contact connection with the grounding terminal.

The further technical scheme is as follows:

and a plurality of buffer holes for buffering are formed in the edge of the conductive silicon rubber.

The further technical scheme is as follows:

the elastic connecting mechanism comprises a fixing ring and an elastic protection component fixedly connected to the bottom surface of the fixing ring, and the bottom surface of the elastic protection component is fixedly connected to the top end surface of the first terminal.

The further technical scheme is as follows:

elasticity protection component includes a folding hose and a spring of coaxial setting, folding hose cover is located the outside of spring, and the equal fixed connection in top of folding hose and spring in on the bottom face of solid fixed ring, the equal fixed connection in bottom of folding hose and spring in the top face of first terminal.

The further technical scheme is as follows:

two stop screws for locking an external circuit are symmetrically screwed and penetrated through the side wall of the fixing ring along the radial direction.

The further technical scheme is as follows:

the periphery of the inner wall of the fixing ring is fixedly provided with a rubber sealing sheet, and the center of the rubber sealing sheet is provided with a pre-inserting hole for an external circuit to pass through.

The further technical scheme is as follows:

the elastic claw is an elastic sheet with one end fixedly connected to the inner side peripheral wall of the first terminal, the middle of the elastic sheet arches towards the center of the first terminal, and the other end of the elastic claw is a free end which is not connected with the inner side peripheral wall of the first terminal.

The further technical scheme is as follows:

the number of the elastic claws is four, and the four elastic claws are uniformly distributed on the peripheral wall of the inner side of the first terminal at intervals.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in when using, the external connection is via jack insertion in advance, jack diameter deformation along with the external connection enlarges in advance, the gasket is sealed to the clearance of seal fixed ring and external line, prevent the entering of dust impurity, then screw in two stop screws, press fit locking to the external connection, when the external connection takes place great amplitude and rocks and drops, under the spring action, the external connection can not break away from completely, and to the buffering of the rocking pulling force of external connection, prevent that electrified external connection from contacting with other terminals and causing the short circuit, folding hose stretches out and draws back in step, keep apart the insulation to the spring, the security is higher;

2. the utility model discloses in, in inserting the external connection to electrically conductive silicon rubber's spliced eye, the spliced eye is according to line footpath deformation for electrically conductive silicon rubber closely attached on the external connection, electrically conductive area is great, and resistance is less, and it is spacing to the external connection pressure to play the claw, long-term the back of using, if electrically conductive silicon rubber is ageing, slide the collar and take out, change the collar that has new electrically conductive silicon rubber, then use the insulating tape tie up can, it is comparatively convenient to change.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the installation positions of the flexible conductive mechanism and the elastic connection mechanism in the present invention;

fig. 3 is a schematic view of the internal structure of the first terminal of the present invention;

fig. 4 is a schematic structural view of a flexible conductive mechanism of the present invention;

FIG. 5 is an enlarged view of the point A in FIG. 3;

fig. 6 is a schematic view of the installation position of the middle sealing piece of the present invention.

In the figure:

1. a first terminal; 101. mounting grooves; 11. a ground terminal; 111. a conductive post; 12. a second terminal; 13. a spring claw;

2. a flexible conductive mechanism; 21. a mounting ring; 22. conductive silicone rubber; 221. inserting holes; 222. a buffer hole;

3. an elastic connection mechanism; 31. a fixing ring; 32. folding the hose; 33. a spring; 34. sealing the sheet; 341. pre-inserting holes; 35. and (5) fixing the screw.

Detailed Description

For a better understanding of the technical content of the present invention, specific embodiments are described below in conjunction with the accompanying drawings. In this disclosure, aspects of the present invention are described with reference to the accompanying drawings, in which a number of illustrative embodiments are shown. It should be appreciated that the various concepts and embodiments described above, as well as those described in greater detail below, may be implemented in any of numerous ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the present disclosure may be used alone or in any suitable combination with other aspects of the present disclosure.

The present embodiment describes a conductive terminal set for an electrical connector in detail, and is described in detail with reference to fig. 1 to 6.

The conductive terminal set for an electrical connector according to this embodiment includes at least one terminal set, where the terminal set includes a plurality of first terminals 1 that are arranged on a circuit board at intervals and can connect the circuit board with external wires, and a socket into which an external wire connector is inserted is formed at a top end of the first terminal.

The bottom end of each first terminal 1 is fixedly provided with a grounding terminal 11 capable of being fixedly connected with a circuit board, wherein the grounding terminal 11 and the circuit board can be fixedly connected by welding or other fixing methods. Each grounding terminal is fixedly connected with a second terminal 12 capable of being electrically connected with the circuit board, in this embodiment, one end of the second terminal is sleeved and fixedly connected with the grounding terminal, and the other end of the second terminal is electrically connected with the circuit board. In an alternative embodiment, the first terminal 1, the ground terminal 11, and the second terminal 12 may be made of a copper alloy material, so that the supporting strength can be ensured while the requirement of electrical conductivity is met.

The middle section of each first terminal 1 is provided with a mounting groove 101 which is arranged along the radial direction, a flexible conductive mechanism 2 which can be flexibly and electrically connected with an external circuit is detachably inserted in the mounting groove in a sliding manner, and the flexible conductive mechanism is electrically connected with the grounding terminal 11. Specifically, the flexible conductive mechanism 2 comprises a mounting ring 21 inserted on the inner wall of the mounting groove 101 in a sliding manner, conductive silicone rubber 22 is fixedly arranged on the inner wall of the mounting ring 21, an insertion hole 221 is formed in the top surface of the conductive silicone rubber, and an external circuit connector is inserted in the insertion hole and is in flexible contact with the conductive silicone rubber. In addition, the edge of the conductive silicon rubber 22 is provided with a plurality of buffer holes 222 for buffering, and when the conductive silicon rubber 22 deforms, the buffer holes can effectively contract, so that the deformation amount of the conductive silicon rubber 22 is increased, and the conductive silicon rubber 22 can adapt to various wire diameters.

Referring to fig. 3, the specific structure of the electrical connection between the flexible conductive mechanism 2 and the ground terminal 11 is as follows: a conductive column 111 capable of conducting electricity is fixedly arranged in the bottom end of the first terminal 1 in a penetrating manner, the top end of the conductive column can be in contact with the conductive silicone rubber 22, and the bottom end of the conductive column is in contact connection with the grounding terminal 11. In an optional embodiment, the conductive pillar 111 may be made of red copper, which has better conductivity and smaller resistance, so as to ensure stable transmission of current signals.

In an alternative embodiment, the mounting ring 21 is a clearance fit with the mounting slot 101 such that the mounting ring 21 can slide within the mounting slot 101. The height of the conductive silicone rubber 22 is the same as that of the mounting ring 21, and the bottom surface of the conductive silicone rubber 22 is flush with that of the mounting ring 21, so that when the mounting ring 21 slides into the mounting groove 101, the bottom surface of the conductive silicone rubber 22 can be in contact with the conductive column 111, and the conductivity is ensured. Thus, when the external wire is inserted into the insertion hole 221 of the conductive silicone rubber 22, the insertion hole 221 can deform according to the wire diameter, so that the conductive silicone rubber 22 is tightly attached to the external wire, the conductive area is large, and the resistance is small; after long-term use, if electrically conductive silicon rubber 22 is ageing, then can slide collar 21 and take out, change collar 21 that has new electrically conductive silicon rubber 22, then use the insulating tape to tie up and tie up can, it is comparatively convenient to change.

A plurality of elastic claws 13 are fixedly arranged on the inner wall of the socket of each first terminal above the mounting groove 101 at intervals and used for providing pressing force for external wires inside the first terminals. The elastic claw 13 is an elastic sheet with one end fixedly connected to the inner side peripheral wall of the first terminal 1, the middle part of the elastic sheet is arched towards the center of the first terminal, and the other end of the elastic claw is a free end which is not connected with the inner side peripheral wall of the first terminal. In this embodiment, the number of the elastic claws 13 is four, and the four elastic claws are uniformly arranged on the inner peripheral wall of the first terminal at intervals, so that the external connection line can be compressed from four directions, and the stability is high.

The top end of each first terminal 1 is connected with an elastic connecting mechanism 3 which can be elastically connected with an external circuit. The elastic connection mechanism 3 includes a fixing ring 31 and an elastic protection member fixedly connected to the bottom surface of the fixing ring 3, and the bottom surface of the elastic protection member is fixedly connected to the top end surface of the first terminal 1. Wherein, elasticity protection component includes a folding hose 32 and a spring 33 that is used for providing the elastic support power of coaxial setting, and the outside of spring is located to folding hose cover, and the equal fixed connection in the bottom face of solid fixed ring 3 in the top of folding hose and spring, the equal fixed connection in the top face of first terminal 1 in the bottom of folding hose and spring. In an optional embodiment, the fixing ring 31 may be made of a plastic material, so that the supporting strength is satisfied, the insulating property is good, and the phenomenon of mistakenly touching and short-circuiting cannot be caused; the folding hose 32 can be made of rubber, has elastic deformation performance and good insulating performance, and can not be broken when deformed.

In addition, two stop screws 35 for locking the external circuit are symmetrically screwed and penetrated through the side wall of the fixing ring 31 along the radial direction, the length of the two stop screws 35 is larger than the maximum radius of the fixing ring 31, the adjusting range is larger, and the lines with various wire diameters can be pressed. A rubber sealing sheet 34 is fixedly arranged on the circumferential side of the inner wall of the fixing ring 31, a pre-insertion hole 341 for an external circuit to pass through is formed in the center of the rubber sealing sheet, and the rubber sealing sheet is mainly used for sealing a gap between the fixing ring and the external circuit; preferably, the thickness of the sealing plate 34 is one millimeter, which can ensure its elastic deformation performance.

Thus, the external line is inserted through the pre-insertion hole 341, the pre-insertion hole 341 deforms and expands along with the diameter of the external line, and the sealing sheet 34 seals the gap between the sealing and fixing ring 31 and the external line to prevent dust and impurities from entering; then with two stop screw 35 screw in, to external connection line crimping locking, take place great amplitude at external connection and rock when droing with first terminal 1, under the effect of spring 33, the external connection can not break away from completely, and to external connection line rock pulling force buffering, prevent that electrified external connection and other terminal contacts from causing the short circuit, folding hose 32 can stretch out and draw back in step simultaneously, keeps apart insulating spring 33, and the security is higher.

The utility model provides a lower problem of external circuit connection security is aimed at solving to a conductive terminal group for electric connector. The working principle of the conductive terminal group is as follows: when the power is connected, the grounding terminal 11 is welded with the circuit board, the second terminal 12 is contacted with the circuit for conducting, the external wire is inserted through the pre-insertion hole 341, the pre-insertion hole 341 is deformed and expanded along with the diameter of the external wire, the sealing sheet 34 seals the gap between the sealing fixing ring 31 and the external wire, the external wire is inserted into the insertion hole 221 of the conductive silicon rubber 22, the insertion hole 221 is deformed according to the wire diameter, so that the conductive silicon rubber 22 is tightly attached to the external connection wire, and the elastic claw 13 is used for pressing and limiting the external connection wire, then the two stop screws 35 are screwed in, the external connecting wire is pressed and locked, when the external connecting wire shakes and falls off greatly, the external connecting wire can not be completely separated under the action of the spring 33, and the shaking tension of the external connection wire is buffered to prevent the short circuit caused by the contact of the charged external connection wire and other terminals, meanwhile, the folding hose 32 stretches synchronously, the spring 33 is isolated and insulated, and the safety is high.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a conductive terminal group for electric connector, includes at least one terminal group, and this terminal group includes that a plurality of interval lays first terminal (1) on the circuit board, and the top department of this first terminal is formed with interface, its characterized in that:

the bottom end of each first terminal (1) is fixedly provided with a grounding terminal (11) which can be fixedly connected with a circuit board, and each grounding terminal is fixedly connected with a second terminal (12) which can be electrically connected with the circuit board;

the top end of each first terminal (1) is connected with an elastic connecting mechanism (3) capable of being elastically connected with an external circuit in a positioning mode;

the middle section of each first terminal (1) is provided with a mounting groove (101) which is distributed along the radial direction, a flexible conductive mechanism (2) which can be flexibly and electrically connected with an external circuit is detachably inserted in the mounting groove in a sliding manner, and the flexible conductive mechanism is electrically connected with the grounding terminal (11); and a plurality of elastic claws (13) are fixedly arranged on the inner wall of the socket of the first terminal above the mounting groove (101) at intervals.

2. The set of conductive terminals for an electrical connector of claim 1, wherein: the flexible conductive mechanism (2) comprises a mounting ring (21) which is inserted on the inner wall of the mounting groove (101) in a sliding manner, conductive silicon rubber (22) is fixedly arranged on the inner wall of the mounting ring (21), an insertion hole (221) is formed in the top surface of the conductive silicon rubber, and an external circuit connector is inserted in the insertion hole and is in flexible contact with the conductive silicon rubber.

3. The set of conductive terminals for an electrical connector of claim 2, wherein: the bottom end of the first terminal (1) is internally and fixedly provided with a conductive column (111) capable of conducting electricity in a penetrating mode, the top end of the conductive column can be in contact with the conductive silicon rubber (22), and the bottom end of the conductive column is in contact connection with the grounding terminal (11).

4. The set of conductive terminals for an electrical connector of claim 2, wherein: the edge of the conductive silicon rubber (22) is provided with a plurality of buffer holes (222) for buffering.

5. The set of conductive terminals for an electrical connector of claim 1, wherein: the elastic connecting mechanism (3) comprises a fixing ring (31) and an elastic protection component fixedly connected to the bottom surface of the fixing ring (31), and the bottom surface of the elastic protection component is fixedly connected to the top end surface of the first terminal (1).

6. The set of conductive terminals for an electrical connector of claim 5, wherein: the institute elasticity protection component includes a folding hose (32) and a spring (33) of coaxial setting, folding hose cover is located the outside of spring, and the equal fixed connection in top of folding hose and spring in on the bottom face of solid fixed ring (31), the equal fixed connection in bottom of folding hose and spring in on the top face of first terminal (1).

7. The set of conductive terminals for an electrical connector of claim 5, wherein: two stop screws (35) used for locking an external circuit are symmetrically screwed and penetrated through the side wall of the fixing ring (31) along the radial direction.

8. The set of conductive terminals for an electrical connector of claim 5, wherein: the peripheral side of the inner wall of the fixed ring (31) is fixedly provided with a rubber sealing sheet (34), and the center of the rubber sealing sheet is provided with a pre-insertion hole (341) for an external circuit to pass through.

9. The set of conductive terminals for an electrical connector of claim 1, wherein: the elastic claw (13) is an elastic sheet with one end fixedly connected to the inner side peripheral wall of the first terminal (1), the middle of the elastic sheet arches towards the center of the first terminal, and the other end of the elastic claw is a free end which is not connected with the inner side peripheral wall of the first terminal.

10. The set of conductive terminals for an electrical connector of claim 9, wherein: the number of the elastic claws (13) is four, and the four elastic claws are uniformly distributed on the peripheral wall of the inner side of the first terminal at intervals.