TWI671956B - A receptacle component for pin and a socket having the receptacle component - Google Patents

Abstract

A pin insertion component is defined in a Z-axis direction and includes a terminal insertion component and at least two metal claw bodies. The terminal insertion component includes: a tube body and an extended end; at least one fixing point is respectively provided at two predetermined positions on the surface of the tube body. The two metal claw systems are respectively composed of a ring body and a plurality of inner claws extending in the same direction, and are respectively arranged in the tube body and located at different height positions in the Z-axis direction, and the two ring bodies are respectively fixed through the fixing points. Within the tube. The two metal claw bodies each have a phase difference of rotation at different angles in the Z-axis direction, and the inner claws of the metal claw body are respectively bent toward the Z-axis direction by a preset angle to provide at least one stitch of the object to be measured. Plug in electrical connection.

Description

   Pin insertion element and socket having the same   

The invention relates to a socket with the pin insertion component, especially a metal claw body with two sets of different height and low positions and phase differences, so as to provide a second penetration through the second metal claw body due to poor contact for some reason Group of metal claws for electrical connection.

The contact terminals in the sockets on the test equipment of the commercially available laser diode module (TOCAN) components to be tested are designed with a single-layer contact. After repeated insertion and removal, it is prone to fatigue fatigue. Or the deformation of the metal or the contact surface abrasion occurs, which leads to the worsening of the poor contact situation, and its reliability decreases. Therefore, the service life and the performance of the contact surface decay rapidly, and it is easy to be damaged due to poor contact during operation. The component under test leads to a significant decline in product yield. In the embodiment of the present invention, a multi-point contact and complementary upper and lower metal claw bodies are provided in the socket installed on the testing machine, which can achieve the function of fail-safe electrical connection, and improve the service life and protect the component under test. The effect is to further improve the production yield of the product.

The main purpose of the present invention is to provide a pin plug-in element and a socket having the pin plug-in element, which are made by using two sets of metal claw bodies having a high and low position difference and a rotation angle phase difference of the Z axis (central axis). The socket is used to provide the object to be tested (laser diode module TOCAN) for electrical testing, and then the electrical connection failure protection design can be achieved to increase the service life.

In order to achieve the above object, the present invention provides a socket having the pin insertion component, which is defined in a Z-axis direction and includes: a terminal insertion component, at least two metal claw bodies, and a base body. The terminal insertion component includes: a tube body and an extended end; at least one fixing point is respectively provided at two predetermined positions on the surface of the tube body. The two metal claw systems are respectively composed of a ring body and a plurality of inner claws extending in the same direction, and are respectively arranged in the tube body and located at different height positions in the z-axis direction, and the two ring bodies are respectively fixed through the fixing points. Within the tube. The seat system includes: a top surface, a bottom surface, and a plurality of through holes; the plurality of through holes are respectively penetrated through the top surface and the bottom surface, and are combined corresponding to the terminal insertion components, and simultaneously The extended end protrudes beyond the bottom surface. The two metal claw bodies each have a phase difference of rotation at different angles in the Z-axis direction, and the inner claws of the metal claw body are respectively bent toward the Z-axis direction by a preset angle to provide a test object (laser 2). One of the pins of the polar body module TOCAN) is inserted for electrical connection.

1‧‧‧pin connector

11‧‧‧Terminal insertion components

111‧‧‧ tube body

1111‧‧‧ fixed point

1112‧‧‧Clamping structure

112‧‧‧Extended

12a, 12b ‧‧‧ metal claw body

121‧‧‧ ring body

122‧‧‧Inner claw

3.3a‧‧‧Socket

31, 31a‧‧‧ Block

311, 311a‧‧‧Top

3111‧‧‧Guide Structure

3112‧‧‧inclined

312, 312a‧‧‧ Underside

313, 313a‧‧‧ through hole

3131‧‧‧rail

314‧‧‧Metal welding fixed column

315‧‧‧Fixed groove

316‧‧‧Plastic positioning post

4‧‧‧Test circuit board

8‧‧‧Z axis direction

9‧‧‧ DUT

91‧‧‧pin

FIG. 1 is a schematic exploded perspective view of a pin insertion component of the present invention.

FIG. 2 is a schematic cross-sectional assembly diagram of the pin insertion component of the present invention.

FIG. 3A and FIG. 3B are schematic top plan views of the phases of the metal claw bodies of the pin insertion components of the present invention.

FIG. 4A is a schematic perspective view of a first preferred embodiment of the socket having the pin plug-in component according to the present invention.

FIG. 4B is another perspective view of the first preferred embodiment of the socket with the pin plug-in component according to the present invention.

FIG. 5 is a schematic front view of the first preferred embodiment of the socket with the pin plug-in component of the present invention.

FIG. 6 is a schematic top view of the first preferred embodiment of the socket having the pin plug-in component according to the present invention.

FIG. 7 is a schematic bottom view of the first preferred embodiment of the socket having the pin insertion component according to the present invention.

FIG. 8 is a schematic side view of the first preferred embodiment of the socket having the pin plug-in component of the present invention.

FIG. 9 is a schematic cross-sectional view taken along the line A-A of the first preferred embodiment of the socket having the pin insertion component of the present invention.

FIG. 10A is a schematic perspective view of a second preferred embodiment of the socket having the pin insertion component according to the present invention.

FIG. 10B is another perspective view of the second preferred embodiment of the socket with the pin plug-in component of the present invention.

FIG. 11 is a schematic front view of a second preferred embodiment of the socket having the pin insertion component according to the present invention.

FIG. 12 is a schematic top view of a second preferred embodiment of the socket having the pin plug-in component according to the present invention.

FIG. 13 is a schematic bottom view of a second preferred embodiment of the socket having the pin plug-in component according to the present invention.

FIG. 14 is a schematic side view of a second preferred embodiment of the socket having the pin plug-in component according to the present invention.

Fig. 15 is a schematic cross-sectional view taken along the line B-B of the second preferred embodiment of the socket having the pin insertion component of the present invention.

In order to more clearly describe a pin plug-in element and a socket having the pin plug-in element provided by the present invention, it will be described in detail below with reference to the drawings.

Please refer to FIG. 1, FIG. 2, FIG. 3A and FIG. 3B, FIG. 1 is a schematic exploded perspective view of the pin plug-in component of the present invention. FIG. 2 is a schematic cross-sectional assembly diagram of the pin insertion component of the present invention. FIG. 3A and FIG. 3B are schematic top plan views of the phases of the metal claw bodies of the pin insertion components of the present invention.

Among them, a pin plug-in component 1 of the present invention is to provide at least one pin 91 (shown in FIG. 5) of a test object 9 (laser diode module TOCAN) for insertion electrical connection test. The connecting element 1 defines a Z-axis direction, which includes: a terminal insertion element 11 and at least two metal claw bodies 12a, 12b. The terminal insertion component 11 includes a tube body 111 and an extension end 112. The Z-axis direction 8 is an extension direction of a central axis of the extension direction of both the elongated tube body 111 and the elongated extension end 112. At least two fixed points 1111 are respectively provided at two predetermined positions on the surface of the pipe body 111. The two metal claw bodies 12a and 12b are respectively composed of a ring body 121 and a plurality of inner claws 122 extending in the same direction, and are respectively disposed in the pipe body 111 and at different height positions in the Z-axis direction 8, respectively. Through the fixing points 1111, the two metal claw bodies 12a, 12b of the different phases are respectively pressed and fixed in the tube body 111 to prevent the two claws 122 that are out of phase from shifting away. Bit.

That is, the two metal claw bodies 12a, 12b have phase differences of different θ angles in the Z-axis direction 8 respectively, and the inner claws 122 of the metal claw bodies 12a, 12b are respectively bent toward the Z-axis direction 8 by one. A predetermined angle (that is, bent toward the central axis of the tube body 111 to narrow the inner diameter of the end of the inner claw 122) to provide the pins of the object 9 (laser diode module TOCAN) 91 is inserted, and is respectively clamped with the inner claws 122 of the two metal claw bodies 12a, 12b to achieve the purpose of electrical connection. In addition, at the predetermined position on the outer surface of the tube body 111 of the terminal inserting component 11, a fixing structure 1112 with at least two annular protrusions is provided. The number of the inner claws 122 of the two metal claw bodies 12a, 12b may be different, and the inner claws 122 of the two metal claw bodies 12a, 12b are preferably one of three or four claws. The terminal inserting component 11 is made of metal, and a preferred material is beryllium copper.

In other words, the two metal claw bodies 12a, 12b are located at different height positions in the Z-axis direction 8 of the pipe body 111, as shown in FIGS. The gap between the two inner claws 122 is filled to achieve the purpose of failure protection, and then the two metal claw bodies 12a and 12b are respectively pressed and fixed in the pipe body 111 by the fixing points 1111. The position is set to avoid causing the two metal claw bodies 12 a and 12 b to rotate and shift the phase of the inner claw 122 in the Z-axis direction 8 respectively.

In another embodiment of the assembly of the two metal claw bodies 12a, 12b and the pipe body 111, the assembly method may also be that the outer diameter of the upper metal claw body 12a is slightly larger than the outer diameter of the lower metal claw body 12b. The metal claw body 12a of the upper layer is further prevented from being displaced, because the metal claw body 12b of the lower layer is pressed first and then the metal claw body 12a of the upper layer is pressed during assembly, because the inner wall of the pipe body 111 is pressed into the metal claw of the lower layer. The body 12b has been thrown once, so the hole diameter of the pipe body 111 has become larger, and the metal claw body 12a located on the upper layer needs to be enlarged by pressing the outer diameter of the ring body 121 to catch the pipe body 111. The inner wall, otherwise it will fall easily or be out of phase and unusable. Thereby, the two metal claw bodies 12a, 12b do not need to use any structure of the fixing point 1111, and can be firmly fixed at the preset position in the pipe body 111, and the two metal claw bodies 12a can be avoided as well. , 12b for the purpose of falling out, displacement or rotation.

Please refer to FIG. 4A, FIG. 4B, FIG. 5, FIG. 6, FIG. 7, FIG. 8, and FIG. 9. FIG. 4A is a schematic perspective view of the first preferred embodiment of the socket with the pin connector of the present invention. . FIG. 4B is another perspective view of the first preferred embodiment of the socket with the pin plug-in component according to the present invention. FIG. 5 is a schematic front view of the first preferred embodiment of the socket with the pin plug-in component of the present invention. FIG. 6 is a schematic top view of the first preferred embodiment of the socket having the pin plug-in component according to the present invention. FIG. 7 is a schematic bottom view of the first preferred embodiment of the socket having the pin plug-in component according to the present invention. FIG. 8 is a schematic side view of the first preferred embodiment of the socket having the pin plug-in component of the present invention. FIG. 9 is a schematic cross-sectional view taken along the line A-A of the first preferred embodiment of the socket having the pin insertion component of the present invention.

Wherein, in the first preferred embodiment of the socket 3 with the pin plug-in element of the present invention, it further comprises: a base 31 and four groups of the pin plug-in element 1. The base 31 includes a top surface 311, a bottom surface 312, a plurality of through holes 313, at least three metal welding fixing posts 314, and at least two plastic positioning posts 316. The plurality of through holes 313 are respectively penetrated through the top surface 311 and the bottom surface 312, and are combined corresponding to the terminal insertion components 11, and an inner diameter is provided near the end of the through hole 313 near the top surface 311. One of the smaller guide rails 3131, which is connected and penetrated through the through hole 313 and the top surface 311, and its role is to guide the pin 91 of the DUT 9 (laser diode module TOCAN) into the When the terminal insertion element 11 is inside, the ring body 121 of the two metal claw bodies 12a, 12b will not be distorted and the displacement will occur.

And since at least two ring-shaped protruding locking structures 1112 are provided at predetermined positions on the outer surface of the tube body 111 of the terminal inserting component 11, the terminal inserting component 11 can be fixed through the two locking structures 1112 respectively. In each of the through holes 313, the extending end 112 can be protruded out of the bottom surface 312 at the same time. The three sets of metal welding fixing posts 314 are respectively provided in at least three fixing grooves 315 of the base 31 and protrude from the bottom surface 312 of the base 31. In addition, the plastic positioning posts 316 are respectively disposed at one corner of the bottom surface 312, and the base 31 is further combined with the extension ends 112 and the three sets of metal welding fixing posts 314 through the two plastic positioning posts 316. It is inserted and fixed on a test circuit substrate 4 so that the three sets of metal welding fixing posts 314 can be positioned without being offset when the test circuit substrate 4 is welded, and the extension ends 112 and the test The circuit board 4 is used for electrical connection.

In addition, a guiding structure 3111 protruding in a cone shape is provided on the top surface 311 of the base body 31, and the guiding structure 3111 includes a plurality of inclined surfaces 3112 connected at least three consecutively to each of them. The top surface 311 is formed by the periphery of the through hole 313, and the pins 91 of the object to be tested 9 (laser diode module TOCAN) are guided through the inclined surface 3112 to the terminal insertion component 11 The two metal claw bodies 12a and 12b are electrically connected with each other. The base 31 can be made of plastic.

In other words, in the first preferred embodiment of the socket 3 with the pin connector of the present invention, the top surface 311 on the base 31 is provided with four sets of through holes 313 to provide the pin connector 1 The terminal inserting element 11 is combined and fixed, and the guide structure 3111 formed by connecting at least three consecutively connected inclined surfaces 3112 extending upward from the peripheral edge of the four groups of through holes 313 is convexly tapered. Shape, and the respective pin 91 of the to-be-measured object 9 (laser diode module TOCAN) can be inserted into the terminal insertion component through the inclined surfaces 3112 on the guiding structure 3111 respectively. 11 is clamped with the inner claws 122 of the two metal claw bodies 12a, 12b, and is electrically connected indirectly to the test circuit substrate 4 through the extension end 112 to reach the test object 9 The purpose of yield.

Based on the above-mentioned reasons, the socket 3 of the present invention having a pin plug-in element of the present invention has the metal claw bodies 12a, 12b in which the two phases of the pin plug-in element 1 are out of phase, so that their respective metal claws are protected by both parties. The design of the double metal claw body 12a and 12b is based on the assumption that the inner claw 122 of the metal claw body 12a is in poor contact with the pin 91 of the object 9 (laser diode module TOCAN) for some reason. The inner claw 122 of the other group of the metal claw body 12b is responsible for the electrical contact, that is, the metal claw bodies 12a, 12b located at the upper and lower phases are out of phase can support each other and complement each other, to achieve an additional layer of protection and improve the The purpose of the reliability and durability of the pin connector element 1.

In other preferred embodiments of the present invention described below, since most of the components are the same or similar to the foregoing embodiments, the same components and structures will not be described in detail below, and the same components will be given the same names directly. And number, and for similar components, the same name is given, but an English letter is added after the original number to distinguish it and will not be repeated, which will be described first.

Please refer to FIG. 10A, FIG. 10B, FIG. 11, FIG. 12, FIG. 13, FIG. 14, FIG. 15, and FIG. 10A is the second preferred socket of the present invention having the pin insertion component. Schematic illustration of the embodiment. FIG. 10B is another perspective view of the second preferred embodiment of the socket with the pin plug-in component of the present invention. FIG. 11 is a schematic front view of a second preferred embodiment of the socket having the pin insertion component according to the present invention. FIG. 12 is a schematic top view of a second preferred embodiment of the socket having the pin plug-in component according to the present invention. FIG. 13 is a schematic bottom view of a second preferred embodiment of the socket having the pin plug-in component according to the present invention. FIG. 14 is a schematic side view of a second preferred embodiment of the socket having the pin plug-in component according to the present invention. Fig. 15 is a schematic cross-sectional view taken along the line B-B of the second preferred embodiment of the socket having the pin insertion component of the present invention.

Since the second preferred embodiment of the socket with pin plug-in components of the present invention shown in FIGS. 10A to 15 is substantially similar to the first preferred embodiment shown in FIGS. 4A to 9, the same components are therefore used. And the structure will not repeat them below. The socket of the second preferred embodiment of the present invention having the pin plug-in element is different from the foregoing first preferred embodiment in that the socket 3a of the second preferred embodiment has the pin plug-in element, wherein, The system comprises: a body 31a, and five groups of the pin plug-in components 1. In other words, compared with the first preferred embodiment, a set of pin plug-in elements 1 is added to the socket 3a, so the base 31a must also be provided with a through hole 313a penetrating the top surface 311a and the bottom surface, respectively. 312a is further used for accommodating a plurality of sets of the pin plug-in component 1 for providing the pin 91 of the object to be tested 9 (laser diode module TOCAN) for insertion and electrical connection.

In summary, the socket 3 with the pin insertion element of the present invention is defined by a Z-axis direction 8 and includes a terminal insertion element 11, at least two metal claw bodies 12 a and 12 b, and a base 31. The terminal insertion component 11 includes: a tube body 111 and an extension end 112; at least two fixing points 1111 are respectively provided at two predetermined positions on the surface of the tube body 111. The two metal claw bodies 12a and 12b are respectively composed of a ring body 121 and a plurality of inner claws 122 extending in the same direction, and are respectively disposed in the pipe body 111 and at different height positions in the Z-axis direction 8, respectively. Through the fixing point 1111, the two metal claw bodies 12a, 12b are respectively pressed and fixed in the pipe body 111. The base 31 includes a top surface 311, a bottom surface 312, and a plurality of through holes 313. The plurality of through holes 313 are respectively penetrated through the top surface 311 and the bottom surface 312, and are combined corresponding to the terminal insertion components 11, and at the same time, the extension end 112 is protruded out of the bottom surface 312, and further inserted It is placed on a test circuit board 4. The two metal claw bodies 12a, 12b have phase differences of different rotations in the Z-axis direction 8 respectively, and the inner claws 122 of the two metal claw bodies 12a, 12b are respectively bent toward the Z-axis direction by a preset angle, An electrical connection is provided by providing at least one pin 91 of a DUT 9 (laser diode module TOCAN).

However, the above-mentioned embodiments should not be used to limit the applicable scope of the present invention. The protection scope of the present invention should be the scope encompassed by the technical spirit defined by the scope of patent application of the present invention and its equivalent changes. That is to say, all equal changes and modifications made in accordance with the scope of the patent application of the present invention will still not lose the essence of the present invention, nor depart from the spirit and scope of the present invention, so they should be regarded as the further implementation status of the present invention.

Claims (13)

A pin insertion component, which defines a Z-axis direction, includes: a terminal insertion component, which includes: a tube body and an extended end; and at least two metal claw bodies, which are respectively formed by a ring body and go toward the same A plurality of inner claws extending in the direction are respectively arranged in the tube body and located at different height positions in the Z-axis direction; wherein the two metal claw bodies have phase differences of different angles of rotation in the Z-axis direction, and the metal The inner claws of the claw body are respectively bent at a predetermined angle toward the Z-axis direction to provide at least one pin of an object to be tested for electrical connection. According to the pin plug-in element described in the first item of the patent application scope, wherein the inner claw system of the two metal claw bodies is preferably one of three claws or four claws. According to the pin insertion component described in item 1 of the patent application scope, the number of the inner claws of the two metal claw bodies may be different. According to the pin insertion component described in item 1 of the patent application scope, wherein the terminal insertion component is made of metal; at least two fixed positions are respectively provided on at least two preset positions on the inner surface of the tube; the at least The two metal claw systems respectively fix the ring body of each metal claw body in the pipe body through the at least one fixing point. According to the pin insertion component described in item 1 of the scope of patent application, wherein at least two annular protrusions are provided at a predetermined position on the outer surface of the tube outside the terminal insertion component. A socket with the pin insertion component is defined in a Z-axis direction and includes: a plurality of terminal insertion components, each of which includes: a tube body and an extended end; at least two metal claw bodies are respectively composed of A ring body is formed by extending a plurality of inner claws in the same direction, and is respectively arranged in the tube body and located at different height positions in the Z-axis direction; and a body including: a top surface, a bottom surface, and a plurality of A plurality of through holes; the plurality of through holes are respectively penetrated through the top surface and the bottom surface, and are combined corresponding to the terminal insertion components, and at the same time, the extended end is protruded out of the bottom surface; wherein the two The metal claw body has a phase difference of different angle rotation in the Z-axis direction, and the inner claws of the metal claw body are respectively bent toward the Z-axis direction by a preset angle to provide at least one pin of the object to be inserted Electrical connection. As described in item 6 of the scope of the patent application, the socket having the pin plug-in element, wherein a guide structure protruding in a cone shape is provided on the top surface of the base, and the guide structure includes A plurality of at least three consecutively connected inclined surfaces are respectively formed around the periphery of the through hole located on the top surface, and the pins of the object to be tested are inserted into the terminal insertion component through the inclined surfaces, respectively. It is electrically connected with the metal claw body. As described in item 6 of the scope of the patent application, the socket having the pin plug-in element, wherein the seat system further includes: at least three metal welding fixing posts, and the three metal welding fixing posts are arranged at least in the seat body. The three fixing grooves are protruded from the bottom surface of the base body. According to the socket with the pin insertion component described in item 6 of the scope of the patent application, the inner claw of the two metal claw bodies is preferably one of 3 claws or 4 claws. For example, the socket with the pin insertion component described in item 6 of the patent scope, wherein the number of the inner claws of the two metal claw bodies is different. As described in item 6 of the scope of the patent application, the socket with the pin insertion component, wherein the terminal insertion component is made of metal; at least two fixed positions are respectively provided on at least two preset positions on the inner surface of the tube body. Point; the at least two metal claw systems respectively fix the ring body of each metal claw body inside the pipe body through the at least one fixing point. According to the socket with the pin plug-in element described in item 6 of the scope of the patent application, wherein at least two ring-shaped protrusions are provided at predetermined positions on the outer surface of the tube of the terminal plug-in element, The terminal insertion components are respectively fixed in the through holes through the two clamping structures. As described in item 6 of the scope of the patent application, the socket with the pin plug-in component, wherein the number of the terminal plug-in components is one of 4 groups or 5 groups.