Stable and reliable pin header connector

Abstract

The utility model discloses a stable and reliable pin header connector. The stable and reliable pin header connector comprises a female seat and a male head, the female seat comprises a female seat body and a plurality of female seat terminals; the male head comprises a male head body and a plurality of male head terminals; the first contact part is formed by bending a metal sheet and comprises a main frame body, the main frame body is in a long strip shape, an insertion hole extending front and back for the second contact part to be inserted is formed in the main frame body, the insertion hole is communicated with the corresponding through hole in a front-back opposite mode, and one side of the bottom face of the front end of the main frame body is bent downwards and extends to form a positioning part. According to the product, the first contact part is formed by bending the metal sheet, the insertion hole is formed in the main frame body, the arched elastic sheet is arranged in a matched manner, the arched elastic sheet is suspended in the insertion hole and extends front and back, and the arched elastic sheet is in elastic contact conduction with the second contact part, so that the second contact part is in elastic contact connection with the first contact part; contact connection is more stable and reliable, and convenience is brought to use.

Description

Technical Field

[0001] The utility model relates to the technology of electrical connectors, in particular to a stable and reliable pin connector. Background Art

[0002] A connector is a device that connects two active devices and is used to transmit current or signals. The main supporting fields of electrical connectors include transportation, communication, network, IT, medical, household appliances, etc. The rapid development of the technical level of products in the supporting fields and the rapid growth of their markets strongly drive the development of connector technology.

[0003] A pin connector is one of many connectors, and its main structure includes a female socket and a male head that can be inserted and connected to each other; the female socket includes a female socket body and a plurality of female socket terminals; the front end of the female socket body has a plugging part, and a plurality of through holes are opened on the front end face of the plugging part; the plurality of female socket terminals are all fixed on the female socket body, and each female socket terminal includes a wire riveting part and a first contact part that are integrally formed and connected, and the first contact part is directly opposite to the corresponding through hole front and back; the male head includes a male head body and a plurality of male head terminals; the front end of the male head body has an insertion cavity for the plugging part to be inserted; the plurality of male head terminals are all fixed on the male head body, and each male head terminal includes a welding part and a second contact part that are integrally formed and connected, and the second contact part is needle-shaped and is in mating insertion contact with the first contact part.

[0004] However, in the prior art, the second contact part and the first contact part are generally in rigid contact, and are easily affected by the precision of the terminals, resulting in unstable and unreliable contact, which brings inconvenience to use. Therefore, it is necessary to improve the current pin connector. Content of the Utility Model

[0005] In view of this, in view of the deficiencies existing in the prior art, the main purpose of the present utility model is to provide a stable and reliable pin connector, which can effectively solve the problem that the contact connection of the existing pin connector is unstable and unreliable.

[0006] To achieve the above purpose, the present utility model adopts the following technical solutions:

[0007] A stable and reliable pin connector includes a female socket and a male head that can be inserted and connected to each other;

[0008] The female socket includes a female socket body and a plurality of female socket terminals; the front end of the female socket body has a plugging part, and a plurality of through holes are opened on the front end face of the plugging part; the plurality of female socket terminals are all fixed on the female socket body, and each female socket terminal includes a wire riveting part and a first contact part that are integrally formed and connected, and the first contact part is directly opposite to the corresponding through hole front and back;

[0009] The male connector includes a male connector body and a plurality of male terminals; the front end of the male connector body has an insertion cavity for inserting the insertion part; the plurality of male terminals are all fixed on the male connector body, and each male terminal includes a welded part and a second contact part integrally formed and connected, the second contact part is needle-shaped and is inserted and contacted with the first contact part in a mating manner;

[0010] The first contact part is formed by bending a metal sheet, and it includes a main frame body, the main frame body is strip-shaped, and it has an insertion hole extending forward and backward for inserting the second contact part therein, the insertion hole and the corresponding through hole are vertically aligned and communicated front and back, one side of the bottom surface of the front end of the main frame body is bent downward and extended to form a positioning part, and the tail end of the positioning part is bent and extended to form an arched elastic sheet, the arched elastic sheet is suspended in the insertion hole and extends forward and backward, and the arched elastic sheet is elastically contacted and conducted with the second contact part.

[0011] As a preferred solution, the top of the main frame body is concave-convex inside and outside to form contact bumps on the inner wall of the insertion hole, the contact bumps are located directly above the arched elastic sheet and are in contact connection with the second contact part, so as to make the contact more stable and reliable.

[0012] As a preferred solution, the contact bumps are arranged at intervals in the front and back directions, further enhancing the stability and reliability of the contact.

[0013] As a preferred solution, the female connector body has a plurality of accommodation holes, the plurality of accommodation holes are respectively located directly behind the plurality of through holes and are vertically aligned and communicated with the corresponding through holes front and back, and the first contact part is inserted into the corresponding accommodation hole from the back to the front.

[0014] As a preferred solution, a accommodation groove is recessed on one side surface of the insertion part, the accommodation groove is communicated with the plurality of accommodation holes, a limiting strip is fixed in the accommodation groove, and the limiting strip abuts against the rear end surface of the main frame body to prevent the female terminal from being disengaged from the female connector body backward.

[0015] As a preferred solution, buckle grooves are provided at both ends of the accommodation groove, convex buckles are protruded at both ends of the limiting strip, and the convex buckles are cooperatively buckled and fixed with the buckle grooves, and the assembly is simple and firm.

[0016] As a preferred solution, the plurality of female terminals are arranged side by side at intervals and arranged in a row, correspondingly, the plurality of male terminals are also arranged side by side at intervals and arranged in a row.

[0017] As a preferred solution, grounding sheets are fixed on both the left and right sides of the male connector body, so as to be welded and fixed to an external circuit board and grounded.

[0018] The utility model has obvious advantages and beneficial effects compared with the prior art. Specifically, as can be seen from the above technical solutions:

[0019] In this product, the first contact portion is formed by bending a metal sheet. A plug-in hole is formed in the main frame, and an arched spring piece is provided. The arched spring piece is suspended in the plug-in hole and extends forward and backward. The arched spring piece is elastically contacted and connected with the second contact portion to achieve elastic contact connection between the second contact portion and the first contact portion, making the contact connection more stable and reliable, and bringing convenience to use.

[0020] In order to more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of an assembly perspective view of a preferred embodiment of the present utility model;

[0022] Figure 2 This is a schematic three-dimensional assembly diagram of a preferred embodiment of the present invention from another angle;

[0023] Figure 3 This is an exploded view of a preferred embodiment of the present utility model;

[0024] Figure 4 This is an exploded view from another angle of the preferred embodiment of the present utility model;

[0025] Figure 5 This is a partial assembly diagram of a preferred embodiment of the present utility model;

[0026] Figure 6 This is a partial assembly diagram of a preferred embodiment of the present invention from another angle;

[0027] Figure 7 It is a cross-sectional view of a preferred embodiment of the present utility model;

[0028] Figure 8 This is an enlarged schematic diagram of the female terminal in the preferred embodiment of the present utility model;

[0029] Figure 9 This is an enlarged schematic diagram of another angle of the female terminal in the preferred embodiment of the present invention.

[0030] Description of the accompanying drawings:

[0031] 10. Female base 11. Female base body

[0032] 111. Connecting part 112. Limiting strip

[0033] 12. Female terminal 121, rivet part

[0034] 122, first contact portion 1221, main frame

[0035] 1222, positioning portion 1223, arched spring

[0036] 101. Through-hole 102. Insertion hole

[0037] 103. Accommodating hole 104. Accommodating groove

[0038] 105. Buckle groove 106. Convex buckle

[0039] 107. Contact bump 20. Male head

[0040] 21. Male head body 22. Male head terminal

[0041] 221. Welding part 222. Second contact part

[0042] 23. Grounding piece 201. Insertion cavity. Detailed implementation manner

[0043] Please refer to Figures 1 to 9 as shown, which shows the specific structure of the preferred embodiment of the present utility model, including a female seat 10 and a male head 20 that can be inserted and connected to each other.

[0044] The female seat 10 includes a female seat body 11 and a plurality of female seat terminals 12; the front end of the female seat body 11 has an insertion part 111, and a plurality of through-holes 101 are opened on the front end face of the insertion part 111; the plurality of female seat terminals 12 are all fixed on the female seat body 11, and each female seat terminal 12 includes a riveting wire part 121 and a first contact part 122 that are integrally formed and connected, and the first contact part 122 is directly opposite to the corresponding through-hole 101 in the front and back; the first contact part 122 is formed by bending a metal sheet, and it includes a main frame body 1221, the main frame body 1221 is in a long strip shape, and there is an insertion hole 102 extending in the front and back inside it, the insertion hole 102 is directly opposite to and communicated with the corresponding through-hole 101 in the front and back, and a positioning part 1222 extends downward and bends from one side of the bottom surface of the front end of the main frame body 1221, and an arched elastic piece 1223 extends and bends from the tail end of the positioning part 1222, and the arched elastic piece 1223 is suspended in the insertion hole 102 and extends in the front and back.

[0045] In this embodiment, the female socket body 11 has a plurality of receiving holes 103, and the plurality of receiving holes 103 are respectively located directly behind the plurality of through holes 101 and are in front-to-back alignment and communication with the corresponding through holes 101. The first contact portion 122 is inserted into the corresponding receiving hole 103 from back to front, and the installation is simple. Moreover, a receiving groove 104 is recessed on one side surface of the insertion portion 111. The receiving groove 104 is in communication with the plurality of receiving holes 103. A limiting strip 112 is fixed in the receiving groove 104. The limiting strip 112 abuts against the rear end surface of the main frame body 1221 to prevent the female socket terminal 12 from being disengaged from the female socket body 11 backward. In addition, buckling grooves 105 are provided at both ends of the receiving groove 104, and buckling buttons 106 are protruded at both ends of the limiting strip 112. The buckling buttons 106 are cooperatively buckled and fixed with the buckling grooves 105, and the assembly is simple and stable. The plurality of female socket terminals 12 are arranged side by side at intervals and arranged in a row. Also, the top of the main frame body 1221 is concave-convex, and contact bumps 107 are formed on the inner wall of the insertion hole 102. The contact bumps 107 are located directly above the arched elastic piece 1223, so that the contact is more stable and reliable. Moreover, the contact bumps 107 are multiple and arranged at intervals in the front-to-back direction, further enhancing the stability and reliability of the contact.

[0046] The male head 20 includes a male head body 21 and a plurality of male head terminals 22; a plugging cavity 201 for inserting the insertion portion 111 is provided at the front end of the male head body 21; the plurality of male head terminals 22 are all fixed on the male head body 21. Each male head terminal 22 includes a welded portion 221 and a second contact portion 222 which are integrally formed and connected. The second contact portion 222 is needle-shaped and is in plugging contact with the first contact portion 122. The arched elastic piece 1223 is in elastic contact conduction with the second contact portion 222, and the contact connection is more stable and reliable.

[0047] In this embodiment, grounding sheets 23 are fixed on both the left and right sides of the male head body 21 for welding and grounding with an external circuit board. The plurality of male head terminals 22 are also arranged side by side at intervals and arranged in a row. The plurality of male head terminals 22 are integrally formed and fixed with the male head body 21 by inlaying, so that the plurality of male head terminals 22 are firmly combined with the male head body 21. Also, the second contact portion 222 is inserted into the insertion hole 102 and is in adaptive contact with the insertion hole 102, and the contact bump 107 is in contact connection with the second contact portion 222, so that the contact is more stable and reliable. In addition, the cross section of the second contact portion 222 is square, so that the second contact portion 222 can better conduct contact with the contact bump 107 and the arched elastic piece 1223.

[0048] The assembly process of this embodiment is described in detail as follows:

[0049] First, the wire riveting parts 121 of multiple female socket terminals 12 are respectively riveted and electrically connected to the ends of multiple connecting wires. Then, the multiple female socket terminals 12 are inserted into the corresponding receiving holes 103 from the back to the front. After the insertion is in place, the limiting strip 112 is embedded in the receiving groove 104 for fixation to clamp the multiple female socket terminals 12, so that the multiple female socket terminals 12 are stably installed on the female socket body 11. In addition, multiple male terminal pins 22 are placed into an injection mold to injection-mold a male socket body 21, so that the multiple male terminal pins 22 are combined with the male socket body 21, and two grounding plates 23 are fixed to the left and right sides of the male socket body 21.

[0050] During use, the male socket 20 is soldered and electrically connected to a circuit board. Then, the female socket 10 is inserted into the male socket 20. The insertion part 111 is inserted into the insertion cavity 201. When the insertion is in place, each second contact part 222 respectively passes through the corresponding through hole 101 and is inserted into the corresponding insertion hole 102. The second contact part 222 is in elastic contact with the arched elastic piece 1223 and in rigid contact with the contact bump 107, so that the contact connection between the second contact part 222 and the first contact part 122 is more stable and reliable.

[0051] The design focus of the present utility model lies in that: in this product, the first contact part is formed by bending a metal sheet. By forming an insertion hole in the main frame body and cooperating with the setting of an arched elastic piece, the arched elastic piece is suspended in the insertion hole and extends forward and backward. The arched elastic piece is in elastic contact and conduction with the second contact part to realize elastic contact connection between the second contact part and the first contact part, making the contact connection more stable and reliable and bringing convenience to use.

[0052] The above is only a preferred embodiment of the present utility model, and does not impose any limitation on the technical scope of the present utility model. Therefore, any minor modification, equivalent change and modification made to the above embodiments according to the technical essence of the present utility model still fall within the scope of the technical solution of the present utility model.

Claims

1. A stable and reliable pin connector, comprising a female socket and a male head that can be inserted and connected to each other; The female socket includes a female socket body and a plurality of female socket terminals; the front end of the female socket body has a plugging portion, and a plurality of through holes are formed on the front end face of the plugging portion; the plurality of female socket terminals are all fixed on the female socket body, and each female socket terminal includes a wire riveting portion and a first contact portion integrally formed and connected, and the first contact portion is front and rear opposite to the corresponding through hole; The male head includes a male head body and a plurality of male head terminals; the front end of the male head body has an insertion cavity for the plugging portion to be inserted; the plurality of male head terminals are all fixed on the male head body, and each male head terminal includes a welding portion and a second contact portion integrally formed and connected, and the second contact portion is needle-shaped and is in plugging contact with the first contact portion; It is characterized in that: The first contact portion is formed by bending a metal sheet, and includes a main frame body, the main frame body is strip-shaped, and there is an insertion hole extending forward and backward for the second contact portion to be inserted therein, the insertion hole is front and rear opposite and communicated with the corresponding through hole, a positioning portion extends downward and backward from one side of the bottom surface of the front end of the main frame body, and an arched elastic piece extends backward and bendedly from the tail end of the positioning portion, the arched elastic piece hangs in the insertion hole and extends forward and backward, and the arched elastic piece is in elastic contact and conduction with the second contact portion.

2. The stable and reliable pin connector according to claim 1, characterized in that: The outer part of the top of the main frame body is concave and the inner part is convex, so that contact bumps are formed on the inner wall of the insertion hole, and the contact bumps are located directly above the arched elastic piece and are in contact connection with the second contact portion.

3. The stable and reliable pin header connector according to claim 2, wherein: The contact bumps are multiple and arranged at intervals in the front and rear direction.

4. The stable and reliable pin connector according to claim 1, wherein: A plurality of accommodation holes are formed in the female socket body, the plurality of accommodation holes are respectively located directly behind the plurality of through holes and are front and rear opposite and communicated with the corresponding through holes, and the first contact portion is inserted into the corresponding accommodation hole from back to front.

5. The stable and reliable pin connector according to claim 4, characterized in that: A accommodation groove is concavely provided on one side surface of the plugging portion, the accommodation groove is communicated with the plurality of accommodation holes, and a limiting strip is fixed in the accommodation groove, and the limiting strip abuts against the rear end surface of the main frame body.

6. The stable and reliable pin connector according to claim 5, characterized in that: Buckling grooves are provided at both ends of the accommodation groove, and buckling buttons are convexly provided at both ends of the limiting strip, and the buckling buttons are in buckling fixation with the buckling grooves.

7. The stable and reliable pin header connector according to claim 1, wherein: The plurality of female socket terminals are arranged side by side at intervals and arranged in a row. Correspondingly, the plurality of male head terminals are also arranged side by side at intervals and arranged in a row.

8. The stable and reliable pin header connector according to claim 1, wherein: Grounding sheets are fixed on both the left and right sides of the male head body.

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