CN215497164U

CN215497164U - Male terminal and microplate-to-plate connector

Info

Publication number: CN215497164U
Application number: CN202121055293.5U
Authority: CN
Inventors: 陈汉城; 黄山
Original assignee: Afeno Aurora Technology Huizhou Co ltd
Current assignee: Afeno Aurora Technology Huizhou Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2022-01-11
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses a male terminal and a microplate butt-plate connector, wherein the male terminal comprises an insulating body, a metal terminal and a fixing piece, the metal terminal penetrates through a terminal hole and is fixed on an insulating cup body, the metal terminal comprises a welding part, a clamping part and a barb part, one end of the clamping part is fixedly connected with the welding part, the other end of the clamping part is fixedly connected with the barb part, the orthographic projection of the barb part is superposed with the orthographic projection of the clamping part, the included angle formed by the barb part and the welding part is an obtuse angle, a barb fixing part is arranged on the outer side of the barb part, and the orthographic projection of the barb fixing part protrudes out of the orthographic projection of the clamping part. Set up barb position fixed part through the barb portion outside at metal terminal, it is at the fashioned in-process of injecting glue, fills more fully, reduces the condition of starving, and the barb portion can not drop because of receiving the influence of plug power, can prevent effectively that metal terminal from warping at the in-process of plug.

Description

Male terminal and microplate-to-plate connector

Technical Field

The utility model relates to the technical field of electronics, in particular to a male terminal and a microplate to plate connector.

Background

The microplate to board connectors generally employ a dual-contact design, which provides greater contact reliability and easier engagement, and provides a clicking sound when fully engaged, thereby facilitating the user to confirm proper connection. Besides having sufficient taking and placing space, the ultra-thin appearance and the ultra-small volume are beneficial to expanding the flexibility of customer design, and can meet the increasing demand of more slim and small consumer electronic equipment.

Currently in microplate to board connector products, the typical height of the product is 1.0 mm. Because the product height is short, the mode of inserting PIN is difficult to realize in the equipment, and the product reliability is also relatively poor, so the male end (PLUG) in the microplate-to-plate connector usually adopts the integrated into one piece's mode of processing, and the product reliability performance through this mode production is higher. And because the product needs to have higher separation force, the product can be kept to be reliably contacted and not easy to loosen, but the male end of the product can cause the contact of the terminal to be tilted in the plugging process due to insufficient binding force between the plastic and the terminal, so that the contact is deformed or has poor contact. As shown in the attached drawing 1, the connecting point of the terminal is adopted to be barbed and buried in the plastic, and the binding force between the terminal and the plastic is increased to realize the terminal, however, the terminal formed by the mode is a sharp-angled vacancy at the barbed position, the sharp-angled vacancy is difficult to fill by glue in the glue filling process, and the glue filling phenomenon is easy to occur. Because the barb department is beaten to the terminal does not have the colloid to block, the terminal perk easily at the in-process of plug, has shortened the life of terminal, appears the unable phenomenon of inserting or contact failure of terminal easily.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a male terminal and a microplate to board connector, which effectively solve the technical problems that the conventional terminal is easy to have empty glue, the terminal is easy to tilt, poor in contact and the like.

The embodiment of the utility model provides a male terminal, which comprises an insulating body, metal terminals and fixing pieces, wherein a vacant cavity is arranged in the middle of the insulating body, the fixing pieces are fixed at two ends of an insulating cup body, a terminal hole is formed in the insulating body between the two fixing pieces, the metal terminals penetrate through the terminal hole and are fixed on the insulating cup body, each metal terminal comprises a welding part, a clamping part and a barb part, one end of each clamping part is fixedly connected with the welding part, the other end of each clamping part is fixedly connected with the barb part, the orthographic projection of each barb part is overlapped with the orthographic projection of each clamping part, the included angle formed by each barb part and the welding part is an obtuse angle, a barb part fixing part is arranged on the outer side of each barb part, and the orthographic projection of each barb part fixing part protrudes out of the orthographic projection of each clamping part.

Preferably, the distance between the outer edge of the fixed part of the barb part and the outer edge of the barb part is more than or equal to 0.02 mm.

Preferably, the barb fixing part is rectangular, and the distance between the outer edge of the barb fixing part and the outer edge of the barb part is 0.03mm, that is, the width of the barb fixing part is 0.03 mm.

Preferably, the inverted hook fixing part and the insulating body are of an integral injection molding structure.

Preferably, the top surface of the barb part fixing part and the top surface of the barb part are arranged on the same horizontal plane, and the bottom surface of the barb fixing part is arranged on the top surface of the welding part.

Preferably, the insulating body comprises a bottom surface, two side walls and two end walls, the two end walls are respectively arranged at two ends of the bottom surface, the two side walls are respectively arranged at two sides of the bottom surface, and the empty cavity formed by mutually connecting the bottom surface, the side walls and the end walls is rectangular.

Preferably, the metal terminals are more than two, the number of the terminal holes is matched with the number of the metal terminals, and the metal terminals are uniformly distributed on two side walls of the insulating body at equal intervals.

Preferably, the clamping portion is in an inverted U shape, and a space is reserved between the barb portion and the welding portion.

Preferably, the welding part, the clamping part and the barb part are integrally formed by punching and molding metal.

The utility model provides a microplate to plate connector, which comprises a female terminal and the male terminal, wherein the male terminal is clamped on the female terminal.

The utility model provides a male terminal and a micro-board to board connector, wherein a reverse hook fixing part is arranged on the outer side of a reverse hook part of a metal terminal, the reverse hook fixing part protrudes out of a reverse hook part and a clamping part, the cross section of the reverse hook fixing part is not a sharp corner, the reverse hook fixing part is filled more fully in the molding process of glue injection, the condition of glue shortage is reduced, the reverse hook part can be completely covered in an insulator, the reverse hook part cannot be loosened due to the influence of insertion and extraction force in the process of plugging and extracting, the reverse hook part cannot fall off due to the influence of the insertion and extraction force, and the metal terminal can be effectively prevented from tilting in the process of plugging and extracting.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic view of a prior art cross-sectional structure of a male terminal.

Fig. 2 is a schematic view of the male terminal structure of the present invention.

Fig. 3 is a sectional view of the male terminal of the present invention.

Fig. 4 is a sectional structure diagram of the metal terminal of the present invention.

Fig. 5 is a schematic diagram of a microplate to plate connector configuration of the utility model.

Fig. 6 is a schematic view of a cut-away structure of a microplate to plate connector of the present invention.

Detailed Description

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 some, not all, embodiments of the present invention. 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.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

Referring to fig. 2-4, the male terminal provided by the utility model comprises an insulating body 1, metal terminals 2 and fixing pieces 3, wherein a vacant cavity 4 is arranged in the middle of the insulating body, the fixing pieces are fixed at two ends of an insulating cup body, terminal holes are arranged on the insulating body between the two fixing pieces, the metal terminals penetrate through the terminal holes and are fixed on the insulating cup body, the number of the metal terminals is more than two, the specific number can be set according to different models of products, and the number of the terminal holes is matched with the number of the metal terminals. The male terminal adopts the mode of mould design, fixes metal terminal and stationary blade, then pours the glue into the mould, and the colloid flows into the cavity that the mould formed with metal terminal and stationary blade, and the back of the drawing of patterns has just formed the male terminal.

The metal terminal 2 includes a welding portion 21, a clamping portion 22 and a barb portion 23, which are integrally formed by metal. Joint portion one end and welding part fixed connection, the other end and the barb portion fixed connection of joint portion, barb portion's orthographic projection and the orthographic projection coincidence of joint portion, barb portion be the obtuse angle with the contained angle that the welding part formed, joint portion be down "U" style of calligraphy, the length of joint portion and the one end of welding part connection is good at the length of joint portion and the one end of barb portion being connected, barb portion and welding part between have the interval, be the non-electrical contact between barb portion and the welding part promptly, be equipped with insulating colloid between, barb portion outside is equipped with barb position fixed part 5, the orthographic projection and the joint portion orthographic projection outside of barb position fixed part, barb position fixed part exposes outside joint portion promptly. The arrangement of the reverse hook fixing part can fix the reverse hook part on the insulating body, and the reverse hook fixing part cannot be loosened and separated from the insulating body due to the insertion force in the process of plugging.

Barb position fixed part outward flange and barb portion outward flange between distance more than or equal to 0.02mm, barb position fixed part be the rectangle, barb position fixed part outward flange and barb portion outward flange between the distance be 0.03mm, promptly the width of barb position fixed part be 0.03 mm. The reverse hook fixing part and the insulation body are of an integral injection molding structure. The top surface of barb position fixed part and the top surface of barb portion establish on same horizontal plane, the top surface of barb position fixed part and the starting point parallel and level of barb portion position of buckling promptly, the height of barb position fixed part highly more than or equal to barb position orthographic projection height on barb position fixed part, in this embodiment, the top surface at the welding part is established to the bottom surface of barb fixed part.

Insulator 1 include bottom surface 11, both sides wall 12 and both ends wall 13, both ends wall set up the both ends at the bottom surface respectively, both sides wall set up the both sides at the bottom surface respectively, promptly the end wall about both ends respectively with lateral wall fixed connection, the base and the bottom surface of end wall are connected, the both ends of lateral wall be connected with the end wall respectively, the base and the bottom surface fixed connection of lateral wall, bottom surface, lateral wall and end wall interconnect the empty chamber that forms be the rectangle, the even equidistance distribution of metal terminal on insulator both sides wall.

The manufacturing process of the utility model comprises the steps of firstly manufacturing a mould, fixing the metal terminal and the fixing piece, injecting glue on the fixed mould to enable the cavity of the mould to be filled with the glue, solidifying and cooling the glue, and demoulding to manufacture the male terminal.

As shown in fig. 5 and 6, a microplate connector comprises female terminals 6 and male terminals 7 as described above, which are snap-fitted to the female terminals. In the plugging process, the male terminal cannot be loosened due to insufficient outside sealing glue, and a glue-lacking vacancy cannot occur.

While the utility model has been described with reference to specific embodiments, the utility model is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the utility model. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A male terminal is characterized by comprising an insulating body (1), a metal terminal (2) and fixing pieces (3), wherein a vacant cavity (4) is arranged in the middle of the insulating body, the fixing pieces are fixed at two ends of an insulating cup body, a terminal hole is arranged on the insulating body between the two fixing pieces, the metal terminal passes through the terminal hole and is fixed on the insulating cup body, the metal terminal (2) comprises a welding part (21), a clamping part (22) and a barb part (23), one end of the clamping part is fixedly connected with the welding part, the other end of the clamping part is fixedly connected with the barb part, the orthographic projection of the barb part is superposed with the orthographic projection of the clamping part, the included angle formed by the barb part and the welding part is an obtuse angle, the barb portion outside is equipped with barb position fixed part (5), the orthographic projection protrusion and the joint portion orthographic projection outside of barb position fixed part.

2. The male terminal of claim 1, wherein the distance between the outer edge of the barbed retention portion and the outer edge of the barbed portion is 0.02mm or greater.

3. The male terminal as claimed in claim 2, wherein said barbed fixing portion has a rectangular shape, and the distance between the outer edge of said barbed fixing portion and the outer edge of said barbed portion is 0.03mm, that is, the width of said barbed fixing portion is 0.03 mm.

4. The male terminal of claim 1, wherein the barb fitting is integrally injection molded with the housing.

5. The male terminal as claimed in claim 1, wherein the top surface of said barb fixing portion and the top surface of said barb portion are provided on the same horizontal plane, and the bottom surface of said barb fixing portion is provided on the top surface of said soldering portion.

6. The male terminal of claim 1, wherein the insulative housing (1) comprises a bottom surface (11), two sidewalls (12) and two end walls (13), the two end walls are respectively disposed at two ends of the bottom surface, the two sidewalls are respectively disposed at two sides of the bottom surface, and the empty cavity formed by the bottom surface, the sidewalls and the end walls being connected to each other is rectangular.

7. The male terminal of claim 6, wherein there are more than two metal terminals, the number of said terminal holes matches the number of metal terminals, and said metal terminals are uniformly and equidistantly distributed on the two side walls of the insulating body.

8. The male terminal of claim 1, wherein the snap-fit portion is inverted "U" shaped, and the barb portion is spaced from the weld.

9. The male terminal as claimed in claim 1, wherein said soldering portion, said catching portion and said barb portion are integrally formed by punching a metal.

10. A microplate to board connector comprising female terminals (6) and male terminals (7) as claimed in any one of claims 1 to 9, said male terminals being snap-fitted to the female terminals.