TWI823396B - Crown spring connector composed of dissimilar metals - Google Patents

Abstract

A crown spring connector composed of dissimilar metal materials is provided. The crown spring connector includes a hollow sleeve and a conductive terminal assembly. The conductive terminal assembly is arranged in the hollow sleeve. The conductive terminal assembly includes two metal strips and a plurality of metal wires. The plurality of metal wires are connected between the two metal strips and arranged at regular intervals. Each metal strip includes a plurality of clamping portions. Each metal wire includes a first fixed section and a second fixed section. The first fixed section is fixed in one of the clamping portions of one of the metal strips, and the second fixed section is fixed in one of the clamping portions of the other of the metal strips. The material of the two metal strips is different from the material of the plurality of metal wires.

Description

Crown spring connector composed of dissimilar metal materials

The present invention relates to a crown spring connector, in particular to a crown spring connector composed of different metal materials.

Crown spring connectors are generally divided into plug-type crown spring connectors (i.e. male pins) and socket-type crown spring connectors (i.e. female pins). For a receptacle-type crown spring connector, it includes a hollow sleeve and a crown spring-shaped terminal arranged inside the hollow sleeve. The existing crown spring terminal type is usually made of a metal plate processed into two metal rings and a plurality of elastic springs connected between the two metal rings. The structure is complex and the processing cost is high.

Therefore, how to reduce manufacturing costs and overcome the above-mentioned defects through structural design improvements has become one of the important issues to be solved in this field.

The technical problem to be solved by the present invention is to provide a crown spring connector composed of dissimilar metal materials in view of the shortcomings of the existing technology, which includes a hollow sleeve and a conductive terminal assembly. The conductive terminal assembly is arranged in the hollow sleeve. The conductive terminal assembly includes two metal strips and a plurality of metal conductors. The plurality of metal conductors are connected between the two metal strips and arranged at fixed intervals. Each metal strip includes a plurality of clamping parts. Each metal conductor It includes a first fixing section and a second fixing section, the first fixing section is fixed on a clamping part of a metal strip, and the second fixing section is fixed on a clamping part of another metal strip. The materials of the two metal strips and the plurality of metal conductors are different.

Preferably, the conductive terminal assembly is in the shape of a cylinder and defines an axis. Each metal conductor also has an intermediate section, the intermediate section is located between the first fixed section and the second fixed section, and the intermediate section faces the axis. The heart line is bent.

Preferably, the middle sections of the plurality of metal conductors are further bent in a clockwise direction.

Preferably, the middle sections of the plurality of metal conductors are further bent counterclockwise.

Preferably, each metal strip includes a strip body and a plurality of cantilevers. The plurality of cantilevers are connected to the strip body and extend along the axis. Each cantilever is located between two adjacent metal conductors, and each cantilever is located between two adjacent metal conductors. One free end of the cantilever is bent toward the axis.

Preferably, each clamping part includes a first metal piece, two ends of the first metal piece are respectively connected to a belt body of one of the metal strips, and a through hole is formed between the first metal piece and the strip body.

Preferably, each metal wire passes through two corresponding through holes of the two metal strips along the first direction.

Preferably, the strip body of each metal strip forms a plurality of corresponding first notches and a plurality of second notches respectively corresponding to the plurality of first notches, and each clamping portion has a first metal piece and a third Two metal pieces, one end of the first metal piece is connected to one side edge of the first notch, and one end of the second metal piece is connected to one side edge of the corresponding second notch.

Preferably, each metal conductor is disposed on two clamping portions of two metal strips along the second direction, so that the first fixed section of each metal conductor is used to be crimped onto the strip body of one of the metal strips. between the first metal piece and the second metal piece of the clamping part, and the second fixed section of each metal wire is used to be crimped between the strip body and the clamping part of another metal strip Between the first metal piece and the second metal piece; wherein the second direction is perpendicular to the first direction.

Preferably, the material of the metal strip is copper alloy, and the material of the metal wire is red copper. The beneficial effect of the present invention is that the crown spring connector composed of dissimilar metal materials provided by the present invention can pass through "the conductive terminal assembly includes two metal strips and a plurality of metal wires" and "two metal strips. The technical solution is to use different materials to assemble multiple metal wires into a crown spring connector, thereby reducing material and processing costs, and further improving the structural strength of the connector through the selection of different materials. and electrical conductivity.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings provided are only for reference and illustration and are not used to limit the present invention.

The following is a specific embodiment to illustrate the implementation of the "crown spring connector composed of dissimilar metal materials" disclosed in the present invention. Those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are only simple schematic illustrations and are not depictions based on actual dimensions, as is stated in advance. The following embodiments will further describe the relevant technical content of the present invention in detail, but the disclosed content is not intended to limit the scope of the present invention. In addition, it should be understood that although terms such as “first”, “second” and “third” may be used herein to describe various elements, these elements should not be limited by these terms. These terms are primarily used to distinguish one element from another element. In addition, the term "or" used in this article shall include any one or combination of more of the associated listed items depending on the actual situation. In addition, the term "or" used in this article shall include any one or combination of more of the associated listed items depending on the actual situation.

[First Embodiment]

Referring to FIGS. 1 and 2 , FIG. 1 is a perspective view of a crown spring connector according to a first embodiment of the present invention, and FIG. 2 is an exploded schematic view of a crown spring connector according to the first embodiment of the present invention. A first embodiment of the present invention provides a crown spring connector M1, which includes: a hollow sleeve 1 and a conductive terminal assembly 2. The conductive terminal assembly 2 is a crown spring terminal. The conductive terminal assembly 2 is arranged in the hollow sleeve 1. The hollow sleeve 1 has a first socket 10. The conductive terminal assembly 2 is in the shape of a hollow cylinder and forms a second socket 20. When the conductive terminal assembly 2 is disposed in the hollow sleeve 1 , the first socket 10 will be connected with the second socket 20 . Specifically, the crown spring connector M1 provided by the present invention is a socket-type crown spring connector, which can be plugged into the third terminal of the crown spring connector M1 of the present invention through another plug terminal (not shown). A socket 10 and a second socket 20 are in electrical contact with the hollow sleeve 1 and the conductive terminal assembly 2 for current transmission.

Referring to FIGS. 2 to 4 , FIG. 3 is a schematic top view of the conductive terminal assembly of the crown spring connector according to the first embodiment of the present invention. FIG. 4 is a view of the conductive terminal assembly of the crown spring connector according to the first embodiment of the present invention. Schematic diagram of opening. The conductive terminal assembly 2 includes two metal strips 21 and a plurality of metal conductors 22 . The plurality of metal conductors 22 are connected between the two metal strips 21 and arranged at fixed intervals. Each metal strip 21 includes a plurality of clamping parts 211 . Each metal conductor 22 includes a first fixed section 221 , a second fixed section 222 and an intermediate section 223 . The intermediate section 223 is connected between the first fixed section 221 and the second fixed section 222 .

It is worth mentioning that the materials of the two metal strips 21 are different from the materials of the metal wires 22 . For example, the two metal strips 21 can be made of copper alloy, such as copper-zinc alloy (brass), copper-tin alloy (bronze) or copper-nickel alloy (nickel-copper), etc., and the plurality of metal wires 22 can be made of red copper. (that is, red copper). The crown spring terminal in the prior art is directly processed from a metal piece to be integrally formed. Therefore, redundant material is inevitably wasted during the processing. In contrast, the present invention assembles the conductive terminal assembly 2 by selecting different materials, that is, each metal strip 21 and each metal wire 22 are independently formed components, so there is less waste of excess materials. produce. In addition, the present invention can improve the overall structural strength by selecting a copper alloy to make the two metal strips 21 , and improve the conductivity by selecting red copper to make a plurality of metal wires 22 . As shown in FIGS. 2 and 3 , since the conductive terminal assembly 2 is in the shape of a cylinder, an axis L can be defined along the radial direction of the cylinder, and the middle section of each metal conductor 22 223 is bent toward the axis line L. In other words, in this embodiment, the conductive terminal assembly 2 of the crown spring connector M1 is a retracted crown spring terminal.

The present invention is not limited to the assembly method. For example, it can be divided into horizontal assembly method and vertical assembly method. The horizontal assembly method can be seen in FIG. 5 . FIG. 5 is a schematic diagram of one assembly method of the conductive terminal assembly of the crown spring connector according to the first embodiment of the present invention. Each clamping part 211 includes a first metal piece 2111, and both ends of the first metal piece 2111 are respectively connected to a strip body 212 of the metal strip 21. A through hole 2110 is formed between the first metal piece 2111 and the strip body 212 . When two metal strips 21 and a plurality of metal conductors 22 are assembled to form the conductive terminal assembly 2 , each metal conductor 22 first passes through the two corresponding through holes 2110 of the two metal strips 21 along a first direction D1 For positioning, the first fixing section 221 is crimped and fixed on one of the clamping parts 211 of one of the metal strips 21 , and the second fixing section 222 is crimped and fixed on the other metal strip 21 A clamping part 211. The first direction D1 is parallel to the X-axis direction, that is, parallel to the arrangement direction of the two corresponding clamping parts 211 of the two metal strips 21 .

In addition, the vertical assembly method can be seen in FIG. 6 . FIG. 6 is a schematic diagram of another assembly method of the conductive terminal assembly of the crown spring connector according to the first embodiment of the present invention. A strip body 212 of each metal strip 21 forms a plurality of corresponding first notches 2113 and a plurality of second notches 2114 respectively corresponding to the plurality of first notches 2113. Each clamping portion 211 has a first metal strip body 212. The piece 2111 and a second metal piece 2112, one end of the first metal piece 2111 is connected to one side edge of one of the first notches 2113, and one end of the second metal piece 2112 is connected to the corresponding second notch 2114 edge of one side.

Based on the above, the first fixed section 221 and the second fixed section 222 of each metal conductor 22 are respectively placed on the two clamping parts 211 of the two metal strips 21 along a second direction D2 for positioning, and then each metal The first fixed section 221 of the conductor 22 is crimped and fixed between the strip body 212 of one of the metal strips 21 and the first metal piece 2111 and the second metal piece 2112 of the clamping portion 211, and each The second fixed section 222 of a metal wire 22 is crimped and fixed between the strip body 212 of another metal strip 21 and the first metal piece 2111 and the second metal piece 2112 of the clamping portion 211 . The second direction D2 is parallel to the Z-axis direction (perpendicular to the first direction D1 ), that is, perpendicular to the arrangement direction of the two corresponding clamping parts 211 of the two metal strips 21 .

[Second Embodiment]

Referring to FIGS. 7 to 9 , FIG. 7 is a three-dimensional schematic view of a crown spring connector according to a second embodiment of the present invention. FIG. 8 is an exploded schematic view of a crown spring connector according to a second embodiment of the present invention. FIG. 9 is a schematic view of the crown spring connector according to the second embodiment of the present invention. A schematic top view of the conductive terminal assembly of the crown spring connector according to the second embodiment. This embodiment provides a crown spring connector M2. The crown spring connector M2 has a similar structure to the crown spring connector M1 of the first embodiment, and the similarities will not be described again. The difference between the crown spring connector M2 of this embodiment and the crown spring connector M1 of the first embodiment is that the middle sections 223 of the plurality of metal conductors 22 of the crown spring connector M2 further extend in the counterclockwise direction (Fig. 9 The third direction D3) is biased and bent.

Specifically, two metal strips 21 and a plurality of metal conductors 22 can be assembled first to form the conductive terminal assembly 2 of the crown spring connector M1, and then the two metal strips 21 are relatively rotated to allow the plurality of metal conductors 22 to The middle section 223 is biased and bent to form the conductive terminal assembly 2 of the crown spring connector M2. In other words, in this embodiment, the conductive terminal assembly 2 in the crown spring connector M2 is a retracted and rotated crown spring terminal. It should be noted that the present invention is not limited to the bending direction of the middle sections 223 of the plurality of metal conductors 22. In other embodiments, the middle sections 223 of the plurality of metal conductors 22 can also be bent in a clockwise direction. The crown spring connector M2 of this embodiment can increase the contact area between the conductive terminal assembly 2 and the external plug terminal during insertion through a plurality of metal wires 22 bent in a biased manner, and strengthen the conductive terminal assembly 2 for The clamping force of the external plug terminal improves the stability during plugging.

[Third Embodiment]

Referring to FIGS. 10 to 13 , FIG. 10 is a schematic perspective view of a crown spring connector according to a third embodiment of the present invention. FIG. 11 is an exploded schematic view of a crown spring connector according to a third embodiment of the present invention. FIG. 12 is a schematic diagram of the crown spring connector according to the present invention. Figure 13 is a schematic top view of the conductive terminal assembly of the crown spring connector according to the third embodiment of the present invention when it is spread out. This embodiment provides a crown spring connector M3. The crown spring connector M3 has a similar structure to the crown spring connector M1 of the first embodiment, and the similarities will not be described again. The difference between the crown spring connector M3 of this embodiment and the crown spring connector M1 of the first embodiment is that the metal strip 21 of the conductive terminal assembly 2 of the crown spring connector M3 includes a clamping portion 211 and a strip In addition to the body 212, it also includes a plurality of cantilevers 213. The plurality of cantilevers 213 and the plurality of metal wires 22 are elastic. A plurality of cantilever arms 213 are connected to the strip body 212 and extend along the axis L. Each cantilever arm 213 is located between two adjacent metal conductors 22 . Specifically, each cantilever 213 extends along the axis line L, and each cantilever 213 has two ends, one end is connected to the belt body 212, and the other end is a free end 213E, and the free end 213E is toward the axis. The heart line L is bent.

Based on the above, when the external plug terminal is plugged into the crown spring connector M3, the free ends 213E of the cantilevers 213 of the conductive terminal assembly 2 and the middle sections 223 of the metal conductors 22 will contact the plug terminal. Through the structural design of multiple cantilevers 213, the present invention increases the contact points between the conductive terminal assembly 2 of the crown spring connector M3 and the external plug terminal, so that when the crown spring connector M3 and the external plug terminal are plugged and pulled out for conduction, The phenomenon of arc discharge (commonly known as flashover) occurring in the middle sections 223 of the plurality of metal conductors 22 is reduced to protect the plurality of metal conductors 22 . Furthermore, since arc discharge will oxidize the metal surface, thereby affecting the conductivity, the present invention uses the structural design of multiple cantilevers 213 to ensure that the parts of the conductive terminal assembly 2 that are prone to arc discharge are protected by the middle section 223 of the metal wire 22 Timely transfer to the cantilever 213 to reduce the probability of arc discharge occurring in the middle section 223 of the metal conductor 22 .

[Beneficial effects of the embodiment]

The beneficial effect of the present invention is that the crown spring connector composed of different metal materials provided by the present invention utilizes the conductive terminal assembly 2 to be composed of at least two metal strips 21 and a plurality of metal wires 22 to reduce material and processing costs. cost. In addition, the crown spring connector made of different metal materials provided by the present invention further improves the structural strength and conductivity of the connector by selecting different materials so that the material of the metal strip 21 and the metal wire 22 are different. .

Furthermore, since the crown spring terminals in the prior art are directly processed from metal sheets to be integrally formed, redundant material is inevitably wasted during the processing. In contrast, the present invention assembles the conductive terminal assembly 2 by selecting different materials, that is, each metal strip 21 and each metal wire 22 are independently formed components, so there is less waste of excess materials. produce. In addition, the present invention can improve the overall structural strength by selecting a copper alloy to make the two metal strips 21 , and improve the conductivity by selecting red copper to make a plurality of metal wires 22 .

The contents disclosed above are only preferred and feasible embodiments of the present invention, and do not limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made by using the description and drawings of the present invention are included in the application of the present invention. within the scope of the patent.

M1, M2, M3: crown spring connector 1: Hollow sleeve 10:First socket 2:Conductive terminal assembly 20:Second socket 21:Metal strip 211: Clamping part 2110:Through hole 2111:The first metal sheet 2112:Second metal sheet 2113:First gap 2114:Second gap 212: Strip body 213:Cantilever 213E: Free end 22:Metal wire 221: First fixed section 222: Second fixed section 223:Middle section L: axis line D1: first direction D2: second direction D3: Third direction

FIG. 1 is a schematic three-dimensional view of a crown spring connector according to a first embodiment of the present invention.

FIG. 2 is an exploded schematic view of the crown spring connector according to the first embodiment of the present invention.

3 is a schematic top view of the conductive terminal assembly of the crown spring connector according to the first embodiment of the present invention.

4 is a schematic diagram of the conductive terminal assembly of the crown spring connector when it is spread out according to the first embodiment of the present invention.

FIG. 5 is a schematic diagram of the steps of assembling the conductive terminal assembly of the crown spring connector according to the first embodiment of the present invention.

6 is a schematic diagram of the steps of another assembly method of the conductive terminal assembly of the crown spring connector according to the first embodiment of the present invention.

FIG. 7 is a schematic three-dimensional view of a crown spring connector according to a second embodiment of the present invention.

FIG. 8 is an exploded schematic view of the crown spring connector according to the second embodiment of the present invention.

FIG. 9 is a schematic top view of the conductive terminal assembly of the crown spring connector according to the second embodiment of the present invention.

FIG. 10 is a schematic three-dimensional view of a crown spring connector according to a third embodiment of the present invention.

FIG. 11 is an exploded schematic diagram of a crown spring connector according to the third embodiment of the present invention.

FIG. 12 is a schematic top view of the conductive terminal assembly of the crown spring connector according to the third embodiment of the present invention.

FIG. 13 is a schematic diagram of the conductive terminal assembly of the crown spring connector when spread out according to the third embodiment of the present invention.

M1:Crown Spring Connector

1: Hollow sleeve

2:Conductive terminal assembly

Claims (10)

A crown spring connector composed of different metal materials, which includes: a hollow sleeve; and a conductive terminal assembly, which is provided in the hollow sleeve. The conductive terminal assembly includes two metal strips and a plurality of metal strips. Conductors, a plurality of the metal conductors are connected between two of the metal strips and are arranged at fixed intervals, each of the metal strips includes a plurality of clamping parts, and each of the metal conductors includes a first fixed segment and a second fixing segment, the first fixing segment is fixed on one of the clamping parts of one of the metal strips, and the second fixing segment is fixed on the other of the metal strips. One of the clamping parts; wherein the materials of the two metal strips are different from the materials of the plurality of metal conductors. The crown spring connector made of different metal materials as claimed in claim 1, wherein the conductive terminal assembly is in the shape of a cylinder and defines an axis line, and each of the metal conductors also has a middle section , the middle section is located between the first fixed section and the second fixed section, and the middle section is bent toward the axis. The crown spring connector made of dissimilar metal materials as described in claim 2, wherein the middle sections of the plurality of metal conductors are further bent in a clockwise direction. The crown spring connector made of dissimilar metal materials as described in claim 2, wherein the middle sections of the plurality of metal conductors are further bent in a counterclockwise direction. The crown spring connector made of dissimilar metal materials as claimed in claim 2, wherein each metal strip includes a strip body and a plurality of cantilevers, and the plurality of cantilevers are connected to the strip body and Extending along the axis, each cantilever is located between two adjacent metal conductors, and one of each cantilever The free end is bent toward the axis. The crown spring connector made of dissimilar metal materials as claimed in claim 1, wherein each clamping part includes a first metal piece, and both ends of the first metal piece are respectively connected to one of the There is a belt body of the metal belt, and a through hole is formed between the first metal piece and the belt body. The crown spring connector made of dissimilar metal materials as claimed in claim 6, wherein each of the metal wires passes through the corresponding two through holes of the two metal strips along a first direction. . The crown spring connector made of dissimilar metal materials as claimed in claim 1, wherein a strip body of each metal strip forms a plurality of corresponding first notches and a plurality of corresponding first notches. There are a plurality of second notches in the notch. Each clamping part has a first metal piece and a second metal piece. One end of the first metal piece is connected to an end of one of the first notches. Side edge, one end of the second metal piece is connected to the corresponding side edge of the second notch. The crown spring connector made of dissimilar metal materials as claimed in claim 8, wherein each of the metal conductors is arranged on the two clamping parts of the two metal strips along a second direction, so that The first fixed section of each metal conductor is used to be crimped between the first metal piece and the third metal piece of the strip body and the clamping portion of one of the metal strips. between two metal strips, and the second fixed section of each metal conductor is used to be crimped between the strip body of the other metal strip and the clamping portion. between the first metal piece and the second metal piece. The crown spring connector composed of different metal materials as described in claim 1, wherein the material of the metal strip is copper alloy, and the material of the metal conductor is red copper.

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