CN220233497U

CN220233497U - High reliability connector terminal

Info

Publication number: CN220233497U
Application number: CN202321964844.9U
Authority: CN
Inventors: 王盼云
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-21
Filing date: 2023-07-21
Publication date: 2023-12-22
Anticipated expiration: 2033-07-21

Abstract

The utility model discloses a high-reliability connector terminal which comprises a terminal main body, and a fixed pin, a conductive pin and a welding pin which are integrally connected with the terminal main body, wherein the welding pin is provided with a welding part used for being connected with an object to be welded, the same side of the welding part on the welding pin is provided with a ventilation groove for air flow to pass through, the ventilation groove penetrates through two surfaces in the thickness direction of the welding pin, and the ventilation groove is provided with an opening facing one side of the object to be welded. Through set up the ventilation groove that supplies the air current to pass through on the welding foot to can make hot air current accessible ventilation groove circulate fast between the terminal after the laminating of weld and waiting weld, make soldering tin can realize quick, abundant heating, thereby improve connector welded efficiency and welding quality, improve the reliability of connector.

Description

High reliability connector terminal

Technical Field

The utility model relates to the technical field of connectors, in particular to a high-reliability connector terminal.

Background

Connectors are commonly used as electronic components for connecting circuits between circuits that are blocked or isolated and not connected as a bridge for communication. The connector generally comprises an insulating rubber base and a plurality of connector terminals arranged on the insulating rubber base, and the connector is welded to the circuit board through welding pins on the connector terminals. At present, the connector is mainly welded with the circuit board in a reflow soldering mode, hot air flows only can circulate through arrangement gaps among the terminals of the connector during soldering, solder is difficult to heat rapidly and fully, soldering efficiency is low, partial terminal poor welding is easy to occur, and the use reliability of the connector is affected.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides a high-reliability connector terminal which can enable hot air to flow between welding pins of the terminal rapidly during connector welding, so that the solder can be heated rapidly and fully, and the welding efficiency and welding quality are improved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a high reliability connector terminal, includes terminal main part and with terminal main part body coupling's fixed foot, electrically conductive foot and welding foot, the welding foot has the welding portion that is used for being connected with the weldment that waits, be located the same side of welding portion on the welding foot and be equipped with the ventilation groove that supplies the air current to pass through, the ventilation groove runs through two surfaces of welding foot thickness direction, just the ventilation groove has the opening towards waiting weld one side. Through set up the ventilation groove that supplies the air current to pass through on the welding foot to can make hot air current accessible ventilation groove circulate fast between the terminal after the laminating of weld and waiting weld, make soldering tin can realize quick, abundant heating, thereby improve connector welded efficiency and welding quality, improve the reliability of connector.

As a preferable technical solution, the welding pin extends upward from the left side of the upper end of the terminal body, the conductive pin extends downward from the left side of the lower end of the terminal body, and the fixing pin extends downward from the right side of the lower end of the terminal body.

As a preferable technical scheme, the conductive pin is provided with a reference section and an elastic section from top to bottom in sequence, the upper end of the reference section is connected with the terminal main body, the left side line of the reference section is flush with the left side line of the terminal main body, and the left side line of the elastic section is offset towards the right side relative to the left side line of the reference section.

As a preferable technical scheme, a fixed clamping point protruding to one side of the fixed foot is arranged on the right side of the reference section.

As a preferable technical scheme, the upper side line of the fixed clamping point is a curve concave to the lower left, and the lower side line of the fixed clamping point is a curve convex to the lower right.

As a preferable technical scheme, a conductive contact is arranged on one side of the lower end of the elastic section of the conductive pin, which faces the fixed pin.

As a preferred solution, the conductive contacts are provided with two or three.

As a preferable technical scheme, the conductive contacts are arranged in an arc-shaped convex manner.

As a preferable technical solution, the welding portion of the welding pin protrudes leftwards from the left side edge of the terminal body.

As a preferable technical scheme, a concave notch is formed at the joint of the welding pin and the terminal main body, and the notch is positioned at the lower side of the ventilation groove.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, in particular, the ventilation groove for the air flow to pass through is arranged on the welding pin, so that after the welding part is attached to the object to be welded, the hot air flow can flow between the terminals through the ventilation groove, the soldering tin can be heated rapidly and fully, the welding efficiency and the welding quality of the connector are improved, and the reliability of the connector is improved; by providing the fixed snap point on the right side of the reference section of the conductive pin, it is possible to prevent the conductive pin from being displaced due to internal stress when the connector terminal is mounted in the insulating rubber mount.

For a clearer description of the structural features, technical means, and specific objects and functions achieved by the present utility model, the present utility model will be further described in detail with reference to the accompanying drawings and specific embodiments:

drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model.

The attached drawings are used for identifying and describing:

10. terminal body 11, notch 20, and solder leg

21. Solder part 22, ventilation slot 30, and conductive foot

31. Reference segment 32, elastic segment 33, fixed snap point

34. Conductive contact 40, fixed foot.

Detailed Description

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the positions or elements referred to must have specific directions, be configured and operated in specific directions, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1, the high reliability connector terminal of the present utility model comprises a terminal body 10, a fixing leg 40 integrally connected with the terminal body 10, a conductive leg 30 and a soldering leg 20, wherein the soldering leg 20 extends upward from the left side of the upper end of the terminal body 10, the conductive leg 30 extends downward from the left side of the lower end of the terminal body 10, the fixing leg 40 extends downward from the right side of the lower end of the terminal body 10, the soldering leg 20 has a soldering portion 21 for connecting with a to-be-soldered object, a ventilation slot 22 for allowing air flow to pass through is provided on the same side of the soldering portion 21 on the soldering leg 20, the ventilation slot 22 penetrates through two surfaces in the thickness direction of the soldering leg 20, and the ventilation slot 22 has an opening facing to one side of the to-be-soldered object.

Specifically, the conductive pin 30 is sequentially provided with a reference section 31 and an elastic section 32 from top to bottom, the upper end of the reference section 31 is connected with the terminal body 10, the left side line of the reference section 31 is flush with the left side line of the terminal body 10, and the left side line of the elastic section 32 is offset to the right side relative to the left side line of the reference section 31. The right side of the reference section 31 is provided with a fixed clamping point 33 protruding towards one side of the fixed foot 40, the upper side edge of the fixed clamping point 33 is a curve recessed leftwards and downwards, and the lower side edge of the fixed clamping point 33 is a curve protruding rightwards and downwards. Through setting up fixed stuck point 33 on the right side of benchmark section 31 to can prevent that connector terminal from droing or becoming flexible after assembling the insulating rubber seat, because fixed stuck point 33 is on the right side of benchmark section 31 in addition, during the equipment, the left side line of benchmark section is laminated with insulating rubber seat inside all the time, can not appear leading to the condition that electrically conductive foot 30 shifted because of stress variation. The lower end of the elastic section 32 of the conductive pin 30 is provided with conductive contacts 34 on one side facing the fixed pin 40, and the conductive contacts 34 are provided with two or three, so that the contact area can be increased and the connection energizing stability can be improved by arranging two or more conductive contacts 34. In this embodiment, the conductive contacts 34 are arranged in an arc shape.

In this embodiment, the welding portion 21 of the welding pin 20 protrudes leftward from the left side line of the terminal body 10, a concave notch 11 is formed at the connection portion of the welding pin 20 and the terminal body 10, and the notch 11 is located at the lower side of the ventilation slot 22. It should be understood that, in the present embodiment, the welding portion 21 is located at the left side of the welding foot 20, and in actual use, the welding portion 21 may be located at the upper side of the welding foot 20 or at another position; the solder leg 20 may be provided on the right side of the upper end of the terminal body 10, and the extending direction of the solder leg may extend to the left or right side as needed.

In summary, the ventilation groove for the air flow to pass through is arranged on the welding pin, so that after the welding part is attached to the object to be welded, the hot air flow can flow between the terminals through the ventilation groove, the soldering tin can be heated rapidly and fully, the welding efficiency and the welding quality of the connector are improved, and the reliability of the connector is improved; by providing the fixed snap point on the right side of the reference section of the conductive pin, it is possible to prevent the conductive pin from being displaced due to internal stress when the connector terminal is mounted in the insulating rubber mount.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, so any modifications, equivalents, improvements, etc. of the above embodiments according to the present utility model are still within the scope of the present utility model.

Claims

1. The utility model provides a high reliability connector terminal, its characterized in that, includes terminal main part and with terminal main part body coupling's fixed foot, electrically conductive foot and welding foot, the welding foot has the welding portion that is used for being connected with the thing that waits to weld, be equipped with the ventilation groove that supplies the air current to pass through on the welding foot that lies in the same side of welding portion, the ventilation groove runs through two surfaces of welding foot thickness direction, just the ventilation groove has the opening towards one side of waiting to weld.

2. The high reliability connector terminal of claim 1, wherein the solder leg extends upwardly from the left side of the upper end of the terminal body, the conductive leg extends downwardly from the left side of the lower end of the terminal body, and the fixing leg extends downwardly from the right side of the lower end of the terminal body.

3. The high reliability connector terminal according to claim 2, wherein the conductive pin is provided with a reference section and an elastic section in this order from top to bottom, the upper end of the reference section is connected to the terminal body, and the left side line of the reference section is flush with the left side line of the terminal body, and the left side line of the elastic section is offset to the right side with respect to the left side line of the reference section.

4. A high reliability connector terminal according to claim 3, wherein the right side of the reference section is provided with a fixing clip protruding to the fixing leg side.

5. The high reliability connector terminal of claim 4, wherein the upper side line of the fixed clip point is a curve concave downward and leftward, and the lower side line of the fixed clip point is a curve convex downward and rightward.

6. A high reliability connector terminal according to claim 3 wherein the lower end of the spring section of the conductive leg is provided with a conductive contact on the side facing the fixed leg.

7. The high reliability connector terminal of claim 6, wherein said conductive contacts are provided with two or three.

8. A high reliability connector terminal according to claim 6 or 7, wherein said conductive contacts are arranged in an arcuate convex shape.

9. The high reliability connector terminal of claim 2, wherein the solder portion of the solder foot projects leftward beyond the left side edge of the terminal body.

10. The high reliability connector terminal according to claim 9, wherein the connection of the solder leg and the terminal body is formed with a recessed notch located at the lower side of the vent groove.