Power supply terminal, male connector and BTB connector

Abstract

The utility model provides a power supply terminal, a male connector and a BTB connector. The power supply terminal comprises a welding part, a connecting part and a contact part which are connected in sequence. The welding part is used for being welded to a welding area of an electronic product. The connecting part comprises a first bending part and a second bending part which are connected with each other; a first bending area formed by the first bending part and a second bending area formed by the second bending part are oppositely arranged; the end part, far away from the second bending part, of the first bending part is connected to the contact part; the end part, far away from the first bending part, of the second bending part is connected to the welding part; the projection of the center line of the contact part on the contact surface is a first projection line; the projection of the center line of the end face, connected to the second bending part, of the welding part on the contact surface is a second projection line; the first projection line and the second projection line are arranged in a staggered manner, so that the power supply terminal can be well welded and assembled with a printed board of an electronic product, the power supply terminal can be formed without twisting after being bent, and the processing difficulty of the power supply terminal is greatly reduced.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of connectors, in particular to a power terminal, a male connector and a BTB connector. BACKGROUND

[0002] The BTB connector is also known as a board-to-board connector, which is a connector for realizing high-speed signal transmission in the electronic market. The BTB connector is widely used in the communication network, office equipment, smart home appliances, medical equipment, power system, industrial manufacturing and other industries. The BTB connector includes a male connector and a female connector, and the male connector and the female connector are connected in a plug-in manner to realize signal transmission.

[0003] With the continuous development of electronic products, the welding position of the welding part of the power terminal of the male connector and the electronic product is a first position, and the position at which the contact part of the power terminal of the male connector and the contact part of the power terminal of the female connector abut is a second position.

[0004] However, due to the arrangement specification design of the printed board of the electronic product, the first position and the second position are staggered in the vertical direction, and the projection of the first position on the printed board is located outside the projection of the second position on the printed board. The contact part and the welding part of the power terminal in the related art are in an orthogonal structure. In order to enable the male connector and the printed board of the electronic product to be matched and welded and assembled, the power terminal still needs to be twisted after being bent, which makes the processing difficulty of the power terminal greater. Utility model content

[0005] The purpose of the present disclosure is to overcome the deficiencies in the prior art and provide a power terminal with smaller processing difficulty, a male connector and a BTB connector.

[0006] The purpose of the present disclosure is achieved by the following technical solutions:

[0007] A power terminal includes a welding part, a connecting part and a contact part connected in sequence, the welding part is used for welding to a welding area of an electronic product, the contact part is provided with a contact surface, and the contact surface is used for abutting against a power terminal of a female connector when a male connector and the female connector are plugged in;

[0008] The connecting part includes a first bending part and a second bending part connected to each other, a first bending area formed by the first bending part is arranged opposite to a second bending area formed by the second bending part, an end portion of the first bending part away from the second bending part is connected to the contact part, and an end portion of the second bending part away from the first bending part is connected to the welding part;

[0009] A center line of the contact portion is projected on the contact surface as a first projection line, and a center line of an end surface of the welding portion connected to the second bending portion is projected on the contact surface as a second projection line, and the first projection line is arranged apart from the second projection line.

[0010] In one of the embodiments, the first bending portion and the contact portion are connected to jointly form a third bending region.

[0011] In one of the embodiments, the first bending portion is formed with a first cutout, and the first cutout is communicated with the third bending region and the first bending region.

[0012] In one of the embodiments, the contact portion is formed with a second cutout, and the second cutout is communicated with the third bending region, and the second cutout is arranged apart from the first cutout.

[0013] In one of the embodiments, the first projection line and the second projection line are parallel to each other.

[0014] In one of the embodiments, the third bending region and the second bending region are located on the same side of the power terminal.

[0015] In one of the embodiments, an extending direction of the welding portion is perpendicular to an extending direction of the contact portion.

[0016] In one of the embodiments, the power terminal is of an integral molding structure.

[0017] In one of the embodiments, the second bending portion is formed with a third cutout adjacent to an end portion of the first bending portion, and the third cutout is communicated with the second bending region.

[0018] In one of the embodiments, the second bending portion is formed with a fourth cutout adjacent to an end portion of the welding portion, and the fourth cutout is communicated with the first bending region and the second bending region.

[0019] In one of the embodiments, the second bending portion is formed with a blanking hole communicated with the second bending region, and the blanking hole extends to the welding portion.

[0020] A male connector includes a housing, a signal terminal, and a power terminal according to any one of the embodiments, the housing is plasticized on a part of the signal terminal and a part of the power terminal, and a distance between the welding portion and the signal terminal is greater than a distance between the contact portion and the signal terminal.

[0021] In one of the embodiments, the number of the signal terminals is plural, and the plural signal terminals form a signal terminal group; the number of the power terminals is two, and the signal terminal group is located between the two power terminals.

[0022] In one embodiment, the housing includes a housing body and a tongue portion. The housing body forms a pair of slots, and the tongue portion is located within the pair of slots and connected to the housing body. The housing body is injection molded onto the signal terminal and the power terminal. The solder ends of the signal terminal and the solder portions of the power terminal both extend to the bottom side of the housing body, and the contact ends of the signal terminal and the contact portions of the power terminal both extend to the outer wall of the tongue portion.

[0023] A BTB connector, comprising the male connector described in any of the above embodiments.

[0024] Compared with the prior art, this disclosure has at least the following advantages:

[0025] The aforementioned power terminal, because the connecting portion includes a first bent portion and a second bent portion connected together, the first bent area formed by the first bent portion and the second bent area formed by the second bent portion are arranged opposite to each other. The end of the first bent portion away from the second bent portion is connected to the contact portion, and the end of the second bent portion away from the first bent portion is connected to the welding portion. Furthermore, because the first projection line and the second projection line are staggered, the welding portion is staggered relative to the contact portion in the direction parallel to the contact surface. Even if the welding portion is offset relative to the contact portion in the direction parallel to the contact surface, when the power terminal and the signal terminal are formed, the housing is respectively plastically encased in the portion of the signal terminal and the portion of the power terminal. The distance between the welding portion and the signal terminal is greater than the distance between the contact portion and the signal terminal. Even if the welding portion is offset from the signal terminal relative to the contact portion, the power terminal can be better welded and assembled with the printed circuit board of the electronic product. Moreover, the power terminal of this disclosure can be formed without twisting after bending, which greatly reduces the processing difficulty of the power terminal. Attached Figure Description

[0026] To more clearly illustrate the technical solutions of the embodiments of this disclosure, the accompanying drawings used in the embodiments will be briefly described below. It should be understood that the following drawings only show some embodiments of this disclosure and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the structure of a male connector according to one embodiment;

[0028] Figure 2 for Figure 1 A cross-sectional view of the male connector shown;

[0029] Figure 3 for Figure 1 Another structural schematic diagram of the male connector shown;

[0030] Figure 4 Fig. 1 is a perspective view of a male connector according to the present disclosure; Figure 3 Fig. 2 is a sectional view of the male connector shown in Fig. 1 along the line A-A;

[0031] Figure 5 Fig. 3 is a schematic view of a terminal structure of the male connector shown in Fig. 1; Figure 1 Fig. 4 is a schematic view of a partial structure of the male connector shown in Fig. 1;

[0032] Figure 6 Fig. 5 is a schematic view of another perspective of a power terminal shown in Fig. 1. Figure 5 Fig. 6 is a schematic view of another perspective of a power terminal shown in Fig. 1.

[0033] Figure 7 Figure 6 DETAILED DESCRIPTION

[0034] In order to facilitate the understanding of the present disclosure, a more complete understanding of the present disclosure will be provided by reference to the related drawings. The drawings provided in the specification and the embodiments of the present disclosure are only for the purpose of describing a preferred embodiment of the present disclosure and are not intended to limit the scope of the present disclosure. Rather, the purpose is to make the disclosure of the present disclosure more thorough and comprehensive.

[0035] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. The terms "vertical", "horizontal", "left", "right", and the like as used herein are for the purpose of illustration only and are not intended to limit the present disclosure.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terminology used in the description of the disclosure herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0037] ​​The power terminal comprises a welding portion, a connecting portion and a contact portion connected in sequence; the welding portion is used for welding to a welding area of an electronic product; the contact portion is provided with a contact surface used for abutting against a power terminal of a female connector when the male connector and the female connector are plugged together; the connecting portion comprises a first bending portion and a second bending portion connected to each other; a first bending area formed by the first bending portion is arranged opposite to a second bending area formed by the second bending portion; an end portion of the first bending portion away from the second bending portion is connected to the contact portion; an end portion of the second bending portion away from the first bending portion is connected to the welding portion; a center line of the contact portion is projected on the contact surface as a first projection line; a center line of an end surface of the second bending portion connected to the welding portion is projected on the contact surface as a second projection line; and the first projection line and the second projection line are arranged staggeredly.

[0038] The power terminal has the following advantages: the connecting portion comprises the first bending portion and the second bending portion connected to each other, the first bending area formed by the first bending portion is arranged opposite to the second bending area formed by the second bending portion, the end portion of the first bending portion away from the second bending portion is connected to the contact portion, the end portion of the second bending portion away from the first bending portion is connected to the welding portion, the first projection line and the second projection line are arranged staggeredly, the welding portion is arranged staggeredly relative to the contact portion in a direction parallel to the contact surface, the welding portion is arranged offset relative to the contact portion in the direction parallel to the contact surface, when the power terminal and the signal terminal are formed, the shell is respectively wrapped around parts of the signal terminal and the power terminal, the distance between the welding portion and the signal terminal is greater than the distance between the contact portion and the signal terminal, the welding portion is arranged offset relative to the contact portion and away from the signal terminal, the power terminal can be better welded and assembled to the printed board of the electronic product, and the power terminal of the present disclosure can be formed without torsion processing after bending, thereby greatly reducing the processing difficulty of the power terminal.

[0039] In order to better understand the technical solutions and beneficial effects of the present disclosure, the present disclosure will be further described in detail below in combination with specific embodiments:

[0040] As shown in Figures 1 to 5 , a male connector 10 of an embodiment comprises a shell 100, a signal terminal 200 and a power terminal 300, and the shell 100 is wrapped around parts of the signal terminal 200 and the power terminal 300 respectively.

[0041] Meanwhile, refer to Figure 1 , Figure 6 and Figure 7In an embodiment, the power terminal 300 comprises a welding portion 310, a connecting portion 320 and a contact portion 330 connected in sequence. The welding portion 310 is used for welding to the welding area of the electronic product. The contact portion 330 is provided with a contact surface 332, which is used for abutting against the power terminal 300 of the female connector when the male connector 10 is plugged into the female connector. The connecting portion 320 comprises a first bending portion 322 and a second bending portion 324 connected to each other, and a first bending area 322a formed by the first bending portion 322 is arranged opposite to a second bending area 324a formed by the second bending portion 324. An end of the first bending portion 322 away from the second bending portion 324 is connected to the contact portion 330, and an end of the second bending portion 324 away from the first bending portion 322 is connected to the welding portion 310. The center line of the contact portion 330 in the projection of the contact surface 332 is a first projection line A, and the center line of the end surface of the welding portion 310 connected to the second bending portion 324 in the projection of the contact surface 332 is a second projection line B, and the first projection line A and the second projection line B are arranged staggered. The distance between the welding portion 310 and the signal terminal 200 is greater than the distance between the contact portion 330 and the signal terminal 200, that is, the welding portion 310 is arranged outwardly relative to the contact portion 330 based on the signal terminal 200.

[0042] The male connector 10 and the power terminal 300 thereof described above, since the connecting portion 320 comprises the first bending portion 322 and the second bending portion 324 connected to each other, the first bending area 322a formed by the first bending portion 322 is arranged opposite to the second bending area 324a formed by the second bending portion 324, the end of the first bending portion 322 away from the second bending portion 324 is connected to the contact portion 330, the end of the second bending portion 324 away from the first bending portion 322 is connected to the welding portion 310, and the first projection line and the second projection line are arranged staggered, so that the welding portion 310 is arranged staggered relative to the contact portion 330 in the direction parallel to the contact surface 332, that is, the welding portion 310 is arranged offset relative to the contact portion 330 in the direction parallel to the contact surface 332, when the power terminal 300 and the signal terminal 200 are formed, the shell 100 is respectively over-molded on the part of the signal terminal 200 and the part of the power terminal 300, the distance between the welding portion 310 and the signal terminal 200 is greater than the distance between the contact portion 330 and the signal terminal 200, that is, the welding portion 310 is arranged outwardly relative to the contact portion 330 based on the signal terminal 200, so that the power terminal 300 can be better welded and assembled with the printed board of the electronic product, and the power terminal 300 of the present disclosure can be formed without torsion processing after bending, which greatly reduces the processing difficulty of the power terminal 300.

[0043] As Figure 1 , Figure 2 , Figure 4 andFigure 5 As shown in the drawings, in one embodiment, the housing 100 comprises a housing body 110 and a plug-in portion 120, the housing body 110 is formed with a pair of insertion grooves 112, the plug-in portion 120 is located in the pair of insertion grooves 112 and connected with the housing body 110, and the housing body 110 is injection molded with the signal terminal 200 and the power terminal 300. The welding end of the signal terminal 200 and the welding portion 310 of the power terminal 300 both extend to the bottom side of the housing body 110, so that the signal terminal 200 and the power terminal 300 can be better welded on the printed board. The contact end of the signal terminal 200 and the contact portion 330 of the power terminal 300 both extend to the outer wall of the plug-in portion 120, when the pair of insertion grooves 112 of the housing body 110 of the male connector 10 is inserted into the pair of clamping grooves of the female connector, the plug-in portion 120 is inserted into the pair of clamping grooves of the female connector, the male connector 10 is connected with the female connector in a plug-in manner, the contact portion 330 of the power terminal 300 of the female connector elastically abuts against the contact portion 330 of the power terminal 300 of the male connector 10, and the contact end of the signal terminal 200 of the female connector elastically abuts against the contact end of the signal terminal 200 of the male connector 10.

[0044] As shown in the drawings, Figure 1 , Figure 2 , Figure 4 and Figure 5 , in one embodiment, the number of the signal terminals 200 is multiple, the multiple signal terminals 200 form a signal terminal group, and the number of the power terminals 300 is two, and the signal terminal group is located between the two power terminals 300. In this embodiment, the welding portions 310 of the two power terminals 300 are respectively arranged away from the two sides of the signal terminal group, so that the power terminal 300 can be better welded and assembled with the printed board of the electronic product, the assembly difficulty of the male connector 10 and the printed board of the electronic product is reduced, and the male connector 10 can meet the need of multiple signal transmission.

[0045] As shown in the drawings, Figure 6 and Figure 7 , in one embodiment, the first bending portion 322 is connected with the contact portion 330 to jointly form a third bending area 322b, so that the power terminal 300 is better formed with the connector and extends to the outer wall of the plug-in portion 120, and the contact portion 330 is better exposed on the surface of the housing 100.

[0046] As shown in the drawings, Figure 6 and Figure 7 , in one embodiment, the first bending portion 322 is formed with a first cutout 3222, the first cutout 3222 is communicated with the third bending area 322b and the first bending area 322a, the material of the power terminal 300 is reduced, and the stress of the first bending portion 322 is reduced.

[0047] As shown in Figure 6 and Figure 7 , in one embodiment, the contact portion 330 is formed with a second cutout 331, which is communicated with the third bending area 322b, and the second cutout 331 is arranged staggeredly with the first cutout 3222, further reducing the material usage of the power terminal 300, and meanwhile reducing the stress generation of the contact portion 330.

[0048] As shown in Figure 6 and Figure 7 , in one embodiment, the first projection line A and the second projection line B are parallel to each other, so that the power terminal 300 is respectively electrically connected to the printed board and the female connector.

[0049] As shown in Figure 6 and Figure 7 , in one embodiment, the third bending area 322b and the second bending area 324a are located at the same side of the power terminal 300, so that the power terminal 300 can be better soldered and assembled with the printed board of the electronic product.

[0050] As shown in Figure 6 and Figure 7 , in one embodiment, the extension direction of the soldering portion 310 is perpendicular to the extension direction of the contact portion 330, so that the power terminal 300 of the male connector 10 is respectively better electrically connected to the soldering area of the electronic product and the contact end of the power terminal 300 of the female connector in the three-dimensional space.

[0051] As shown in Figure 6 and Figure 7 , in one embodiment, the power terminal 300 is an integrally formed structure, so that the structure of the power terminal 300 is more compact, and meanwhile the soldering portion 310, the connecting portion 320 and the contact portion 330 are firmly connected. In this embodiment, the power terminal 300 is an integrally stamped and bent formed structure.

[0052] As shown in Figure 6 and Figure 7 , in one embodiment, the second bending portion 324 is provided with a third cutout 3242 adjacent to the end of the first bending portion 322, and the third cutout 3242 is communicated with the second bending area 324a, further reducing the material usage of the power terminal 300, and meanwhile reducing the stress generation of the end of the second bending portion 324 connected to the first bending portion 322.

[0053] As shown in Figure 6 and Figure 7As shown in the drawings, in one of the embodiments, the second bending part 324 is provided with a fourth cutout 3244 adjacent to the end of the welding part 310, the fourth cutout 3244 is communicated with the first bending area 322a and the second bending area 324a, further reducing the material of the power terminal 300, and reducing the stress generated at the end of the second bending part 324 connected to the welding part 310.

[0054] As shown in the drawings, in one of the embodiments, the second bending part 324 is provided with a fourth cutout 3244 adjacent to the end of the welding part 310, the fourth cutout 3244 is communicated with the first bending area 322a and the second bending area 324a, further reducing the material of the power terminal 300, and reducing the stress generated at the end of the second bending part 324 connected to the welding part 310. Figure 6 Figure 7 As shown in the drawings, in one of the embodiments, the second bending part 324 is provided with a fourth cutout 3244 adjacent to the end of the welding part 310, the fourth cutout 3244 is communicated with the first bending area 322a and the second bending area 324a, further reducing the material of the power terminal 300, and reducing the stress generated at the end of the second bending part 324 connected to the welding part 310.

[0055] The application also provides a BTB connector, which comprises the male connector 10 of any of the above embodiments. In this embodiment, the BTB connector further comprises a female connector, the female connector is connected to the male connector 10 in a plug-in manner, the plug-in slot 112 of the shell body 110 of the male connector 10 is connected to the female connector in a plug-in manner, the power terminal 300 of the female connector is elastically abutted to the contact part 330 of the power terminal 300 of the male connector 10, and the signal terminal 200 of the female connector is elastically abutbed to the contact end of the signal terminal 200 of the male connector 10.

[0056] Compared with the prior art, the present application has at least the following advantages:

[0057] ​The power terminal 300 has the following advantages: the connecting portion 320 comprises the first bending portion 322 and the second bending portion 324 connected to each other, the first bending region 322a formed by the first bending portion 322 is arranged opposite to the second bending region 324a formed by the second bending portion 324, the end of the first bending portion 322 away from the second bending portion 324 is connected to the contact portion 330, the end of the second bending portion 324 away from the first bending portion 322 is connected to the welding portion 310, the first projection line and the second projection line are arranged staggered, the welding portion 310 is arranged staggered relative to the contact portion 330 in the direction parallel to the contact surface 332, the welding portion 310 is arranged offset relative to the contact portion 330 in the direction parallel to the contact surface 332, when the power terminal 300 and the signal terminal 200 are formed, the shell 100 is respectively molded on the part of the signal terminal 200 and the part of the power terminal 300, the distance between the welding portion 310 and the signal terminal 200 is greater than the distance between the contact portion 330 and the signal terminal 200, the welding portion 310 is arranged offset relative to the contact portion 330 and away from the signal terminal 200, the power terminal 300 can be better welded and assembled with the printed board of the electronic product, and the power terminal 300 of the present disclosure can be formed without twisting after bending, which greatly reduces the processing difficulty of the power terminal 300.

[0058] The above-described embodiments only express several embodiments of the present disclosure, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the utility model patent. It should be noted that, for ordinary skilled persons in the art, without departing from the concept of the present disclosure, several modifications and improvements can be made, which are all within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure patent should be subject to the appended claims.

Claims

1. A power terminal comprising a welding portion, a connecting portion and a contact portion connected in sequence, the welding portion being used for welding to a welding area of an electronic product, the contact portion being provided with a contact surface used for abutting against a power terminal of a female connector when a male connector and the female connector are mated; characterized in that: the connecting portion comprises a first bending portion and a second bending portion connected with each other, a first bending area formed by the first bending portion is arranged opposite to a second bending area formed by the second bending portion, an end of the first bending portion away from the second bending portion is connected to the contact portion, and an end of the second bending portion away from the first bending portion is connected to the welding portion; a center line of the contact portion in a projection on the contact surface is a first projection line, and a center line of an end surface of the welding portion connected to the second bending portion in a projection on the contact surface is a second projection line, and the first projection line and the second projection line are arranged staggered. The first bending portion and the contact portion are connected to jointly form a third bending area. The first bending portion is formed with a first cutout, and the first cutout is communicated with the third bending area and the first bending area; and / or, 2. The power terminal of claim 1, wherein The contact portion is formed with a second cutout, the second cutout is communicated with the third bending area, and the second cutout is arranged staggered with the first cutout.

3. The power terminal of claim 2, wherein The first projection line and the second projection line are parallel to each other. The third bending area and the second bending area are located on the same side of the power terminal; and / or, 4. The power terminal of claim 1, wherein The extending direction of the welding portion and the extending direction of the contact portion are perpendicular to each other.

5. The power terminal of claim 2, wherein The power terminal is an integral molding structure. The second bending portion is provided with a third cutout at an end adjacent to the first bending portion, and the third cutout is communicated with the second bending area; and / or, 6. The power terminal of claim 1, wherein The second bending portion is provided with a fourth cutout at an end adjacent to the welding portion, and the fourth cutout is communicated with the first bending area and the second bending area; and / or, 7. The power terminal of claim 1, wherein The second bending portion is provided with a blanking hole communicated with the second bending area, and the blanking hole extends to the welding portion. The power terminal comprises a housing, a signal terminal and the power terminal according to any one of claims 1 to 7, the housing is overmolded on a part of the signal terminal and a part of the power terminal, the distance between the welding portion and the signal terminal is greater than the distance between the contact portion and the signal terminal. The number of the signal terminals is multiple, and the multiple signal terminals form a signal terminal group; the number of the power terminals is two, and the signal terminal group is located between the two power terminals; and / or, 8. A male connector characterized by comprising: The housing comprises a housing body and a plug portion, the housing body is formed with a mating slot, the plug portion is located in the mating slot and connected with the housing body, the housing body is injection molded on the signal terminal and the power terminal, the welding end of the signal terminal and the welding portion of the power terminal both extend to the bottom side of the housing body, and the contact end of the signal terminal and the contact portion of the power terminal both extend to the outer wall of the plug portion.

9. The male connector of claim 8, wherein, The male connector according to claim 8 or 9. ​ 10. A BTB connector characterized by, ​

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