TWM646069U - power connector - Google Patents

Abstract

The invention is a power connector, which is provided with a plurality of accommodating slots for fixed terminal groups in the internal docking space of the base body. The terminal group includes a stacked second terminal located above and below each of the accommodating slots. 1. The second body and the third and fourth bodies. The front end of the first body is provided with a first contact portion that is bent downward and extends in a reverse direction. The front end of the second body is bent at an angle and is connected to the first contact portion. One contact portion is a first resisting portion arranged at adjacent intervals, and a second resisting portion bent upward at an angle is provided in front of the third piece, and an upward reverse bending extension is provided at the front end of the fourth piece. And the second contact portion is adjacently spaced and juxtaposed with the second resisting portion, so that after the first and second pieces and the third and fourth pieces are plugged into the preset interconnection connector, a balanced pressure equalization is generated. state, and can effectively increase the path and area of large current transmission, thereby achieving the purpose of reducing its impedance and reducing its heat accumulation.

Description

power connector

The present invention relates to a power connector, in particular, the base body is provided with first, second and third pieces in a stack and facing each other above and below each receiving slot, and the third and fourth pieces are laminated and opposite to each other. The first contact portion, the first resisting portion and the second contact portion and the second resisting portion between the first and second piece bodies and between the third and fourth piece bodies are designed as a left and right parallel pressure equalizing structure to provide The path and area for large current transmission.

According to the current rapid development of electronic technology and the Internet, a variety of electronic-related products have been gradually introduced, and are gradually becoming lighter, thinner, shorter, smaller, easier to carry, and faster in computing and transmission, while general connectors It is a connecting component and its ancillary accessories used in electronic signals and power. Its main function is to provide connections between various electronic devices or equipment and to ensure that signals can be transmitted accurately. The connectors vary with the products, power and usage they are used in. Different environments have led to the development of various forms, which can be applied to computers, servers, computer peripherals (such as keyboards, mice or printers, etc.), and peripherals of vehicle hosts (such as car computers or satellite navigation). etc.), telecommunications or communication equipment and household appliances and other products.

However, the computing speed of electronic devices is getting faster and faster, and the power they consume is also increasing. The power that the power connector can carry must also be increased accordingly, which means that the power circuit needs to be able to transmit more current. The large current will cause the power connector to produce impedance, temperature Changes will affect the effect of electrical transmission. Therefore, the power connector must have the characteristics of withstanding large currents and low impedance in order to comply with the development trend of today's electronic devices.

Therefore, how to solve the above problems and deficiencies is the key to improvement that those engaged in this industry urgently want to study.

Therefore, in view of the above problems and deficiencies, the creators collected relevant information, evaluated and considered it from many parties, and used their many years of experience in this industry to design this new type of power connector through continuous trials and modifications. Patents are born.

The main purpose of this creation is to provide a plurality of accommodation slots for fixed terminal groups in the internal docking space of the base body. The terminal group includes a plurality of stacked groups located above and below each accommodation slot opposite each other. The first and second pieces and the third and fourth pieces are arranged, and the front end of the first piece is provided with a first contact portion that is bent downward and extends in a reverse direction and a first welding portion on the other side, and the front end of the second piece is A first resisting portion extending from the first contact portion and juxtaposed at adjacent intervals and a second welding portion on the other side are provided, and a third opposing portion extending to the outside of the first resisting portion is provided in front of the third piece. The two resisting parts and the third welding part on the other side are provided with a second contact part extending to the outside of the first contact part and a fourth welding part on the other side oppositely arranged at the front end of the fourth piece, and the opposite third A connection space is formed between a resisting part, a second resisting part, a first contact part, and a second contact part for connecting preset interconnecting connectors, thereby providing a connection space through the first contact part and the second contact part during docking. The parallel state of the first resisting part, the second contact part, and the second resisting part creates a balanced voltage equalization state, and can effectively increase the path and area of large current transmission, thereby reducing its impedance and reducing its heat accumulation. Purpose.

Another object of this invention is that the main difference between the first embodiment of this invention and another embodiment is that one side of the first piece is located between the first contact part and the first welding part. A first bending portion is provided that is bent and extended to connect to the same side of the second sheet body, thereby forming the first sheet body and the second sheet body connected into one body, and the third sheet body is aligned with the first bending portion. The same side of the first bending portion is provided with a second bending portion that is bent and extended to connect to the same side of the fourth sheet body, thereby forming the third sheet body and the fourth sheet body connected into one body. , so that the first and second pieces and the third and fourth pieces become one piece of material respectively. This design can not only reduce the number of components, but also reduce the assembly process.

1: base body

10: docking space

11: docking side

12: Accommodation tank

121: Accommodation slot

13:Partition

14: Stopper

15: Limiting part

16:Through hole

17:Opening

18:Terminal slot

2:Terminal group

20: Connection space

21:The first body

211:First contact department

212:First welding department

213: The first engaging part

214: First limiting surface

215:Perforation

216: First bending part

2161: Stop surface

217: first bump

22:Second piece of body

221:First Resistance Department

222:Second welding department

223: Second engaging part

224: Second limiting surface

225:convex part

23:The third body

231:Second Resistance Department

232:The third welding department

233: Second bending part

24:The fourth body

241:Second contact department

242:The fourth welding department

243:Second bump

3: Preset interconnecting connectors

31: docking department

311: Conductive contact

4: Signal terminal

41: Fixed part

42: Contact end

43:Welding end

[Picture 1] is a three-dimensional appearance of this creation.

[Picture 2] is a three-dimensional exploded view of this creation.

[Picture 3] is a three-dimensional appearance of one of the terminal groups of this creation.

[Picture 4] is a cross-sectional view of the docking state of this creation.

[Picture 5] is a cross-sectional view of this creation from another perspective.

[Figure 6] is an exploded three-dimensional view of another embodiment of the present invention.

[Figure 7] is a three-dimensional appearance view of one of the terminal groups according to another embodiment of the present invention.

[Figure 8] is a cross-sectional view of another embodiment of the present invention in a docking state.

[Figure 9] is a cross-sectional view from another perspective of another embodiment of the present invention.

In order to achieve the above-mentioned purposes and effects, the technical means used in this invention, their structures, implementation methods, etc., the characteristics and functions of the preferred embodiments of this invention are described in detail below for a complete understanding.

Please refer to Figures 1 to 5, which are the three-dimensional appearance and three-dimensional analysis of this creation. From the illustrations, the three-dimensional appearance of one of the terminal groups, the cross-sectional view of the docking state, and the cross-sectional view from another perspective, it can be clearly seen that the power connector of this invention includes a base 1 and a terminal group 2. in:

The base body 1 is provided with a docking space 10 for docking with a preset interconnecting connector 3. The docking space 10 is formed with a docking side 11 on one side of the base body 1, and is located at two opposite walls of the docking space 10. A plurality of accommodation grooves 12 arranged at horizontal intervals and facing up and down are provided for the combination of the terminal groups 2 , and between each of the laterally adjacent accommodation grooves 12 there are respectively provided a plurality of accommodation grooves extending from the docking space 10 to the docking side 11 A plurality of partitions 13 are provided between the upper and lower opposite accommodating grooves 12 on the side of the base 1 opposite the docking side 11 to form a blocking portion 14 for blocking the preset interconnecting connectors 3 when they are docked. Each receiving groove 12 is protruded with a limiting portion 15 for positioning when the terminal set 2 is inserted. In addition, two opposite surfaces of the base body 1 are respectively provided with a connecting space 10 connected to and located at each terminal set. 2. A plurality of through holes 16 for heat dissipation.

The terminal set 2 includes a plurality of sets of first sheet bodies 21 , second sheet bodies 22 , third sheet bodies 23 , and fourth sheet bodies 24 that are laminated relative to each other and are arranged through a plurality of accommodating spaces located in the docking space 10 . In the groove 12, the front end of the first piece 21 is provided with a first contact portion 211 that is bent downward and extends in the shape of an elastic arm, and the other side of the first contact portion 211 is provided with a second contact portion extending out of the base body 1. The first welding portion 212 is bent downward, and first engaging portions 213 are respectively provided on both sides of the first piece 21 for engaging and fixing in the receiving grooves 12 of the base body 1, and each The first engaging portion 213 forms a first limiting surface 214 toward the first contact portion 211 to block the limiting portion 15 of the base body 1 , and is provided with at least one through hole 215 on the surface of the first piece 21 .

Based on the above, there is a first resisting portion 221 in the shape of an elastic arm that is bent downward at an angle and spaced adjacently to the first contact portion 211 in front of the second sheet body 22 , and the second sheet body 22 The other side is provided with a second welding portion 222 that extends out of the outside of the base body 1 and is bent downward. The two sides of the second piece body 22 are respectively provided with first engaging portions 213 and 213 corresponding to the first piece body 21. The second engaging portion 223 and the second limiting surface 224 of the first limiting surface 214 and the surface of the second piece 22 are provided with protrusions 225 corresponding to the penetration holes 215 to form positioning, thereby fixing each other to form a tight fit. The attached state makes the overall structure more stable. Furthermore, the front of the third piece 23 is provided with a second resisting portion 231 that is bent upward at an angle and corresponds to the position of the first resisting portion 221, and the third The other side of the sheet body 23 is provided with a third welding portion 232 that extends out of the base body 1 and then is bent downward. The front end of the fourth sheet body 24 is provided with a reversely bent upward extension and is connected with the second resisting portion 231 The second contact portions 241 are arranged at adjacent intervals, and the other side of the third piece body 23 is provided with a fourth welding portion 242 that extends out of the outside of the base body 1 and is bent downward, so that the opposite third contact portions 241 can be formed. A connection space 20 is formed between a resisting portion 221 , a second resisting portion 231 and the opposite first contact portion 211 and second contact portion 241 for the preset interconnecting connector 3 to dock.

In addition, one side of each receiving slot 12 of the base 1 can also be further provided with at least one set of terminal slots 18 connected to the docking space 10 , and a plurality of fixing portions 41 are penetrated in the terminal slots 18 . The signal terminal 4 of the set is provided with a contact end 42 extending to the mating side 11 of the base body 1 on one edge of the fixed part 41, and the other end of the signal terminal 4 opposite the contact end 42 is provided with an extension out of the base body 1 The external welding end 43 is not limited to this, and the design can also be changed according to the purpose or function, so they are all described together in the description of this invention for clarity.

Please refer back to Figures 6 to 9, which are an exploded perspective view of another embodiment of the present invention, a perspective appearance view of one of the terminal groups of another embodiment, a cross-sectional view of the docking state of another embodiment, and Another cross-sectional view of another embodiment. It can be clearly seen from the figure that the main difference between the first embodiment of the present invention and the other embodiment lies in the connection of the first sheet body 21 and the second sheet body 22 Integrated, the first piece 21 is located at the first contact portion 211, the first One side between the welding parts 212 is connected to the same side of the second sheet body 22 with a first bending part 216, and the first bending part 216 is provided with a blocking seat toward the first contact part 211. The stop surface 2161 of the limiting portion 15 of the body 1 is provided with at least one first bump 217 on the upper surface of the first piece 21. In addition, the third piece 23 also uses the second bending portion 233 to connect the fourth The sheet bodies 24 are connected into one body, and at least one second protrusion 243 is provided on the surface of the fourth sheet body 24, and each receiving groove 12 of the base body 1 is provided with a terminal set 2 for passing through and accommodating the first bending block 243. The receiving groove 121 of the portion 216 and the second bending portion 233, and the upper and lower surfaces of the base 1 are respectively provided with openings 17 for the first protrusions 217 and the second protrusions 243 to penetrate to form positioning, that is, the first The second-piece body and the third and fourth-piece bodies become one piece of material respectively. This design can not only reduce the number of components, but also reduce the assembly process.

In the preferred embodiment of the present invention, the first welding part 212, the second welding part 222, the third welding part 232, the fourth welding part 242 and the welding end 43 of the signal terminal 4 are through-hole welding. Technology), or can be used to form an electrical connection with the circuit board using Surface Mount Technology. Such simple modifications and equivalent structural changes should be similarly included within the patent scope of this invention and shall be included in the scope of this invention. Chen Ming.

When the power connector of this invention is docked, its corresponding default interconnection connector 3 can be a male electrical connector, a power control card, an edge card, etc., and is specified as a default interconnection in the manual. Taking the connector 3 as an example, when the preset interconnection connector 3 is docked with the base 1 of the power connector, the docking portion 31 of the preset interconnection connector 3 is inserted into the terminal from the docking space 10 on the docking side 11 In the connection space 20 of the group 2, and pushed against each first piece 21, each second piece 22, each third piece 23, each fourth piece 24 and each signal of the multiple groups of the terminal group 2 The terminal 4 causes each first contact portion 211 , each first resisting portion 221 and each second resisting portion 231 , each second contact portion 241 and each first contact end 42 to elastically deform upward and downward respectively. , when the preset intermate connector 3 The corresponding plurality of conductive contacts 311 form electrical connections after being inserted into the blocking portion 14 , and each first contact portion 211 , each first resisting portion 221 , each second resisting portion 231 , and each second contact portion 241 And each first contact end 42 produces an elastically deformed pressure equalizing and resisting state on the upper and lower surfaces of the preset interfitting connector 3 .

Therefore, this invention has the following advantages:

1. When the preset inter-matching connector 3 is plugged into the power connector and is positioned, the first pieces 21 , the second pieces 22 and the third pieces of the terminal group 2 23. The first contact portions 211 , the first resisting portions 221 , the second resisting portions 231 , and the second contact portions 241 of each fourth piece 24 are spaced apart and arranged in parallel to the left and right, so that the preset interconnection connector 3 The upper and lower surfaces are evenly stressed and the contact stress is close to a balanced state to ensure the reproducibility and reliability of the preset interconnection connector 3 being plugged into the power connector position.

2. When the power connector of the present invention transmits power, the first contact portion 211, the first resisting portion 221, the second resisting portion 231, and the second contact portion 241 of the terminal set 2 form a preset interoperability. The transmission path of the double-row contact on the upper and lower surfaces of the connector 3 can increase the path and transmission efficiency during large current transmission by enlarging the area, thereby effectively reducing its impedance and temperature to provide higher power transmission and effectively Reduce its impedance and heat accumulation, thereby improving transmission efficiency and improving safety.

3. When the first sheet body 21, the second sheet body 22, the third sheet body 23, and the fourth sheet body 24 of the present invention are respectively made into one sheet-shaped material, components can be reduced and the assembly process can be reduced.

The above descriptions are only preferred embodiments of this invention, and do not limit the patent scope of this invention. Therefore, any simple modifications and etc. made by using the description and drawings of this invention are mentioned. Effective structural changes shall be similarly included in the patent scope of this invention and shall be stated together.

To sum up, the power connector of this invention can indeed achieve its effect and purpose when used. Therefore, this invention is truly a creation with excellent practicality and meets the application requirements for a new patent. The application is filed in accordance with the law and is expected to be reviewed. The committee approves this case as soon as possible to protect the creator's hard work. If the Jun Bureau Review Committee has any doubts, please feel free to write a letter and give instructions. The creator will do his best to cooperate. I feel that it is convenient.

1: base body

10: docking space

11: docking side

12: Accommodation tank

13:Partition

16:Through hole

18:Terminal slot

2:Terminal group

21:The first body

211:First contact department

212:First welding department

213: The first engaging part

215:Perforation

22:Second piece of body

221:First Resistance Department

222:Second welding department

223: Second engaging part

225:convex part

23:The third body

231:Second Resistance Department

232:The third welding department

24:The fourth body

241:Second contact department

242:The fourth welding department

4: Signal terminal

41: Fixed part

42: Contact end

43:Welding end

Claims (10)

A power connector includes a base body and a terminal set: There is a docking space inside the base body, and a plurality of receiving grooves facing up and down are provided on two opposite inner walls of the docking space; and The terminal set includes first, second and third pieces in a stacked shape and oppositely located above and below each receiving groove, and the front end of the first piece is provided with a downward reverse bend. The first contact portion is folded and extended and the first welding portion on the other side, and the front of the second piece is provided with a first resisting portion and the other side that are bent at an angle and juxtaposed with the first contact portion at adjacent intervals. The second welding part is also provided with a second resisting part that is bent upward at an angle in front of the third piece body and a third welding part on the other side, and is provided with an upward reverse bend at the front end of the fourth piece body. The second contact portion and the fourth welding portion on the other side are folded and extended and juxtaposed with the second resisting portion at adjacent intervals, and between the opposite first resisting portion, the first contact portion and the second resisting portion A connection space is formed between the holding part and the second contact part. The power connector as claimed in claim 1, wherein the docking space of the base body forms a docking side on one side of the base body, and is between the upper and lower two opposite accommodating grooves and opposite to the docking side. A blocking portion is provided on the other side of the base body, and a plurality of partitions extending from the docking space to the docking side are respectively provided between the transversely adjacent accommodation grooves. The power connector according to claim 1, wherein the two opposite surfaces of the base body are respectively provided with a plurality of through holes connected to the docking space and located in the terminal group for heat dissipation. The power connector according to claim 1, wherein each receiving groove of the base body is provided with a limiting portion for positioning when the terminal set is inserted, and the first piece is located on the first contact The two sides between the first welding part and the first engaging part are respectively provided with first engaging parts, and each third A first limiting surface is formed at one end of an engaging portion toward the first contact portion, and two opposite sides of the second piece are respectively provided with corresponding to the first engaging portion and the first limiting surface. The second engaging part and the second limiting surface. The power connector as claimed in claim 1, wherein the first contact portion of the first piece of the terminal group and the second contact portion of the fourth piece are arranged to face each other up and down, and the second The first resisting portion of the sheet body and the second resisting portion of the third sheet body are arranged opposite to each other up and down. The power connector according to claim 1, wherein the terminal group is located between the first contact part and the first welding part. The surface of the first body is provided with at least one through hole, and the surface of the second body is There is a convex portion correspondingly inserted into the through hole to form a position. The power connector as claimed in claim 1, wherein a side edge of the first piece of the terminal group between the first contact part and the first welding part is connected to the first bending part by a first bending part. The same side of the two pieces connects the first piece and the second piece into one body, and the third piece body also connects the fourth piece into one body with the second bending portion. The power connector according to claim 7, wherein the terminal group is provided with at least one first bump on the outer surface of the first piece between the first contact part and the first welding part, and is arranged relative to the first bump. The fourth piece of the first bump is also provided with at least one second bump on its surface, and the upper and lower surfaces of the base are respectively provided with openings for the first and second bumps to penetrate and position. hole. The power connector of claim 7, wherein the first bending portion of the terminal group forms a stop surface toward the first contact portion, and the gap between the first contact portion and the stop surface is The sides of the first piece are respectively provided with first engaging portions for engaging with the receiving grooves of the base body. , and a second engaging portion is provided on the same side of the second piece body as the first engaging portion. The power connector according to claim 7, wherein each receiving groove of the base body is provided with a receiving groove for the terminal set to pass through and receive the first bending part and the second bending part.

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