Connector

Abstract

The utility model relates to a connector, which comprises a shell, a tongue plate and a plurality of contact elements. The shell comprises a shell body and a through groove, two opposite sides of the through groove are provided with a first opening end and a second opening end, and the first opening end and the second opening end jointly define a containing space. The tongue plate is arranged on the shell and comprises a first main body and a first head part which are connected. The contact pieces are arranged on the tongue plate in a mutually adjacent mode and comprise first extending sections and first bending sections, and the first extending sections are formed in the first direction in an extending mode and connected with the first bending sections. And when the tongue plate is correspondingly clamped on the shell body and the contact element is inserted into the tongue plate, the first extension section is arranged on the first main body, and the local first bending section is in contact with the first head part. According to the connector provided by the utility model, not only can the connector be accurately assembled and the stability of the connector be improved, but also the number of elements required by automatic assembly is reduced, so that the assembly efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of connectors, especially a kind of board-to-board connector comprising integrated shell and tongue plate combination. BACKGROUND

[0002] Board-to-board connector is a kind of connector for electrical connection by connector arranged on printed circuit board (PCB), especially high-speed board-to-board connector capable of fast data transmission, which has been widely used in various fields, and can provide reliable high-speed data transmission in smart phones, 5G communication, industrial automation and in-vehicle systems. Among them, high-speed board-to-board connector is designed precisely and has excellent signal integrity and low insertion loss, which can ensure fast and reliable data transmission in high frequency environment. In response to the application of board-to-board connector in high frequency environment transmission demand and more and more extensive application field, the design of connector and terminal structure faces continuous challenge and improvement demand, which must maintain high-speed transmission, while also improve the assembly efficiency and accuracy of board-to-board connector.

[0003] However, the existing high-speed transmission board-to-board connector increases the length of the connector and its terminal structure design when the connector mating distance increases. In order to ensure sufficient support force, the shell or support member supporting the terminal usually must adopt two-piece or multi-piece design connected front and back. Although such design can prevent the connector from breaking, it also leads to an increase in time and production cost required for assembly of two-piece or multi-piece connector.

[0004] Therefore, the utility model provides a kind of connector to solve the problems of poor stability, assembly efficiency and high cost of terminal support structure of board-to-board connector in prior art. SUMMARY

[0005] The utility model aims at providing a kind of board-to-board connector, which comprises a combination of shell, tongue plate and contact piece, and its main feature is to adopt integrated shell and cooperate with tongue plate inserted into the shell. The connector structure also comprises a plurality of limiting structures, which can ensure that the tongue plate is firmly clamped when inserted into the shell. Therefore, the connector of the utility model fixes the contact piece on the tongue plate inside the connector, and the structure design of multiple limiting stops can accurately assemble the connector and has the effect of increasing the stability of the connector. In addition, compared with the two-piece or multi-piece shell combination connector of prior art, the utility model design reduces the number of elements required for automated assembly, thereby improving the assembly efficiency.

[0006] To achieve the above object, the utility model discloses a connector, including a shell, a tongue plate and a plurality of contact. The shell includes a shell body and a through slot, the through slot is formed in the shell body, the through slot has a first open end and a second open end, is formed in the opposite sides of the through slot, and the first open end and the second open end jointly define a containing space. The tongue plate is arranged on the shell, and the tongue plate includes a first body and a first head connected with each other, the first head is clamped in the first open end, and the first body is contained in the containing space. The contact is arranged adjacent to each other on the tongue plate, and the contact includes a first extension segment and a first bending segment, the first extension segment extends along a first direction and is formed and is connected with the first bending segment. When the tongue plate is correspondingly clamped in the shell body and the contact is inserted in the tongue plate, the first extension segment is arranged on the first body, and part of the first bending segment is in contact with the first head.

[0007] In an embodiment, the tongue plate also has a plurality of containing grooves extending from the first head to the first body, so that the corresponding first extension segment is contained therein.

[0008] In an embodiment, the first head also includes a plurality of first retaining portions, and the first bending segment also includes a first fixed end, and each first retaining portion is correspondingly provided with the first fixed end.

[0009] In an embodiment, the shell also includes two first limiting tracks symmetrically formed at one end of the shell body, and when the tongue plate is inserted into the shell, part of the first head is contained to limit the tongue plate.

[0010] In an embodiment, each first limiting track also has two first recesses and a plurality of second recesses, the second recesses are formed between the first recesses, the first head also has two first protrusions and a plurality of second protrusions, the second protrusions are formed between the first protrusions, and the first protrusions and the second protrusions are correspondingly clamped in the first recesses and the second recesses.

[0011] In an embodiment, the shell also includes two first clamping portions respectively formed on the opposite inner sides of the shell body, and the tongue plate also includes two first clamping members respectively formed on the opposite sides of the first body, the first clamping members are close to the first open end and correspondingly clamped in the first clamping portions.

[0012] In an embodiment, the shell also includes two second clamping portions respectively formed on the opposite inner sides of the shell body, and the tongue plate also includes two second clamping members respectively formed on the opposite sides of the first body, the second clamping members are close to the second open end and correspondingly clamped in the second clamping portions.

[0013] In one embodiment, when the tongue plate is inserted into the shell, the first body sequentially passes through the first open end and the second open end, the second clamping member passes through the first clamping portion and abuts against the second clamping portion, and the first clamping member provides an elastic force so that the first clamping member abuts against the first clamping portion.

[0014] In one embodiment, the shell further comprises two second limiting tracks symmetrically formed at the other end of the shell body, and the tongue plate further comprises two protrusions formed at opposite sides of the first body.

[0015] In one embodiment, the protrusions are C-shaped structures, and when the tongue plate is inserted into the shell, the protrusions are inserted into the corresponding second limiting tracks to limit the tongue plate.

[0016] In one embodiment, the shell and the tongue plate jointly define a plurality of corresponding insertion slots and a plurality of corresponding insertion members, the corresponding insertion slots and the corresponding insertion members are formed at the first head and the shell body, the corresponding insertion slots and the corresponding insertion members are complementary to each other in shape, and when the tongue plate is engaged with the shell, the corresponding insertion members are engaged with the corresponding insertion slots to limit the tongue plate in the shell.

[0017] Other objectives, features and advantages of the present application will be readily appreciated by those skilled in the art from the following detailed description, taken in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 is a schematic view of a connector according to an embodiment of the present application;

[0019] Figure 2 FIG. 2 is an exploded schematic view of the connector according to the embodiment of the present application;

[0020] Figure 3 FIG. 3 is a schematic view of a shell and a tongue plate not inserted according to the embodiment of the present application;

[0021] Figure 4 FIG. 4 is another perspective view of the shell and the tongue plate not inserted according to the embodiment of the present application;

[0022] Figure 5A FIG. 5 is a top view of the connector according to the embodiment of the present application;

[0023] Figure 5B FIG. 6 is a cross-sectional perspective view of a position indicated by an arrow in the connector according to the embodiment of the present application; Figure 5A

[0024] Figure 6 FIG. 7 is a top view of the connector according to the embodiment of the present application; and FIG. 8 is a cross-sectional perspective view of a position indicated by an arrow in the connector according to the embodiment of the present application.

[0025] Figure 7 Fig. 1 is a schematic view of a connector according to an embodiment of the present application;

[0026] Figure 8 Fig. 2 is a schematic view of a tongue plate according to an embodiment of the present application;

[0027] Figure 9 Fig. 3 is a schematic view of a contact according to an embodiment of the present application;

[0028] Figure 10A Fig. 4 is another perspective view of the connector according to an embodiment of the present application;

[0029] Figure 10B Fig. 5 is a perspective view of a cross section of the connector according to an embodiment of the present application; Figure 10A

[0030]

[0031] Figure 11 Fig. 6 is a cross-sectional view of a connection relationship between a housing and a tongue plate according to an embodiment of the present application.

[0032] BRIEF DESCRIPTION OF THE DRAWINGS

[0033] 100 connector

[0034] 1 housing

[0035] 11 housing body

[0036] 12 through slot

[0037] 121 first open end

[0038] 122 second open end

[0039] 13 first limiting track

[0040] 131 first recess

[0041] 132 second recess

[0042] 14 second limiting track

[0043] 15 first clamping portion

[0044] 16 second clamping portion

[0045] 2 tongue plate

[0046] 21 first main body

[0047] 22 first head

[0048] 221 first retaining portion

[0049] 222 first protruding portion​​

[0050] 223 second protruding portion

[0051] 23 accommodating groove

[0052] 24 first clamping member

[0053] 25 second clamping member

[0054] 26 protruding block

[0055] 3 contact member

[0056] 31 first extending segment

[0057] 32 first bending segment

[0058] 321 first fixed end

[0059] 4 metal gasket

[0060] A corresponding slot

[0061] B corresponding plug-in

[0062] D1 first direction

[0063] S accommodating space DETAILED DESCRIPTION

[0064] The utility model will be explained below by examples, the embodiment of the utility model is not used to limit the utility model must be implemented in any specific environment, application or special way as described in the example. Therefore, the description related to the example is only for the purpose of illustrating the utility model, and is not used to limit the utility model. It should be noted that the following examples and the drawings, the part of the element not directly related to the utility model has been omitted and not shown, and the size relationship between the elements in the drawings is only for easy understanding, and is not used to limit the actual proportion.

[0065] Please refer to Figure 1 and Figure 2 . Figure 1 and Figure 2The diagram shown is a schematic and exploded view of a connector 100 according to an embodiment of the present invention. The connector 100 of the present invention includes a housing 1, a tongue plate 2, multiple contacts 3, and two metal gaskets 4. The tongue plate 2 is disposed on the housing 1, the contacts 3 are disposed adjacent to each other on the tongue plate 2, and the metal gaskets 4 are respectively inserted into the left and right sides of the housing 1. In this embodiment, the tongue plate 2 can be assembled with the contacts 3 before being inserted into the housing 1; alternatively, the tongue plate 2 can be inserted into the housing 1 first and then engaged with the contacts 3. In this embodiment, the connector 100 is mainly a board-to-board connector, with one end disposed on a printed circuit board (PCB) and the other end used for mating connector insertion (not shown). The aforementioned mating connector can be a corresponding floating board-to-board connector. Furthermore, the metal gaskets 4 can be used to enhance the soldering strength of the connector 100. In this embodiment, the metal gaskets are disposed on the housing 1 as an example; their placement on the tongue plate 2 can be adjusted according to actual needs and is not limited here.

[0066] Next, let's explain the outer casing 1. Please refer to it as well. Figures 3 to 6 . Figure 3 and Figure 4 The diagram shown is a schematic representation of the outer shell and the uninserted tongue plate of an embodiment of the present invention. Figure 5A and Figure 5B These are a top view and a cross-sectional perspective view of a connector according to an embodiment of the present invention. Figure 6 This is a top view of a connector according to an embodiment of the present invention. The outer shell 1 includes an outer shell body 11, a through groove 12, two first limiting rails 13, two second limiting rails 14, two first latching portions 15, and two second latching portions 16. The through groove 12 is formed in the outer shell body 11, and has a first open end 121 and a second open end 122 formed on opposite sides of the through groove 12. The through groove 12 allows a tongue plate 2 to pass through, and the first open end 121 and the second open end 122 together define an accommodating space S. Specifically, the first limiting rails 13 are symmetrically formed at one end of the outer shell body 11, located on the same side as the first open end 121. Each of the first limiting tracks 13 also has two first recesses 131 and three second recesses 132. The three second recesses 132 are formed between the two first recesses 131. Both the first recesses 131 and the second recesses 132 are open recesses, and the openings of the symmetrically formed recesses face inward and towards each other. Figure 3 As shown. Furthermore, the second limiting tracks 14 are symmetrically formed at the other end of the outer casing 11, each second limiting track 14 presenting a T-shaped opening, with the symmetrically formed openings facing inwards and towards each other, as shown. Figure 4As shown. When the tongue plate 2 is inserted into the shell 1, the first limiting track 13 and the second limiting track 14 can provide the limiting effect. It should be noted that the number of the first recessed part 131 and the second recessed part 132 of the first limiting track 13 in the embodiment is taken as two and three as an example, and the positions and the number formed can be adjusted according to the actual connector part assembly situation, which is not limited here.

[0067] As shown in Figure 5A and Figure 5B , the first buckle part 15 is formed on the opposite two inner sides of the shell body 11 respectively, and the first buckle part 15 is close to the first opening end 121 and presents a groove-shaped structure. Similarly, the second buckle part 16 is formed on the opposite two inner sides of the shell body 11 respectively, and the second buckle part 16 is close to the second opening end 122 and presents a convex structure. The first buckle part 15 and the second buckle part 16 can be used as the limiting point when the tongue plate 2 is inserted into the shell 1. It should be noted that the number of the first buckle part 15 and the second buckle part 16 in the embodiment is taken as two as an example, and the positions and the number formed can be adjusted according to the actual connector part assembly situation, which is not limited here.

[0068] Next, the tongue plate 2 is described, please refer to Figure 5A and Figure 5B , Figure 7 and Figure 8 . The tongue plate 2 is provided on the shell 1, including a first body 21, a first head 22, a plurality of accommodating grooves 23, two first buckle parts 24, two second buckle parts 25 and two protrusions 26. The first body 21 and the first head 22 are connected with each other, the first head 22 is connected to the first opening end 121, and the first body 21 is accommodated in the accommodating space S. Among them, the first head 22 also has a plurality of first retaining parts 221, two first protrusions 222 and a plurality of second protrusions 223. The first retaining part 221 is formed on the opposite two sides of the first head 22 away from the first body 21, as shown in Figure 7 . On the contrary, the first protrusion 222 and the second protrusion 223 are formed on the opposite two sides of the first head 22 close to the first body 21, and the second protrusion 223 is formed between the first protrusion 222, as shown in Figure 8The first and second protrusions 222 and 223 are engaged with the first and second recesses 131 and 132, respectively. The accommodating slot 23 is formed in the first body 21 from the first head 22, and the corresponding contact 3 is partially accommodated therein. The first retaining portion 221 is used for partially interfering with the contact 3. In addition, the first and second buckling members 24 and 25 and the protrusion 26 are formed on opposite sides of the first body 21, and one first buckling member 24, one second buckling member 25 and one protrusion 26 are formed on the same side of the first body 21. The first buckling member 24 is a bent extension member, and has an inclined protrusion on the extension member. The first buckling member 24 is formed close to the first opening end 121, and the inclined protrusion of the extension member is engaged with the first buckling portion 15. The second buckling member 25 is formed close to the second opening end 122, and is engaged with the second buckling portion 16. As shown in Figure 7 In addition, the protrusion 26 is formed on one end of the first body 21 close to the second opening end 122. The protrusion 26 has a C-shaped structure, and is engaged with the T-shaped opening of the second limiting rail 14. It should be noted that the number of the first and second buckling members 24 and 25 and the protrusion 26 in the embodiment is two, and the number and the positions of the first and second buckling members 24 and 25 and the protrusion 26 can be adjusted according to the actual assembly of the connector parts, and are not limited herein.

[0069] In the embodiment, the engagement position of the housing 1 and the tongue plate 2 and the engagement end of the housing 1 and the tongue plate 2 are engaged with each other in a plane-to-plane manner, as shown in Figure 10A and Figure 10B In addition, other matching methods can be used for the engagement end of the housing 1 and the tongue plate 2, as shown in Figure 11As shown, the structure of the housing 1 and the tongue plate 2 can also jointly define a plurality of corresponding insertion slots A and a plurality of corresponding insertion pieces B, which are formed at the connecting and engaging position of the first head 22 and the housing body 11. The corresponding insertion slots A and the corresponding insertion pieces B on the housing body 11 are staggered, and the corresponding insertion slots A and the corresponding insertion pieces B on the first head 22 are staggered. The corresponding insertion slots A and the corresponding insertion pieces B are complementary in shape and are limited to each other. In other words, the corresponding insertion slots A on the housing body 11 correspond to the corresponding insertion pieces B on the first head 22. Conversely, the corresponding insertion pieces B on the housing body 11 correspond to the corresponding insertion slots A on the first head 22. However, when the housing 1 and the tongue plate 2 are assembled and engaged, the corresponding insertion pieces B are inserted into the corresponding insertion slots A to provide the effect of limiting the inner and outer structures to each other, thereby preventing the tongue plate 2 from being deformed due to excessive positioning when being inserted. It should be noted that the number and formation position of the corresponding insertion slots A and the corresponding insertion pieces B in the present embodiment can be adjusted according to the actual engagement situation, which is not limited herein.

[0070] Next, the contact 3 will be described with reference to Figure 7 、 Figure 9 、 Figure 10A and Figure 10B . The contact 3 is arranged adjacent to each other on the corresponding two side surfaces of the tongue plate 2. Each of the contact 3 includes a first extension section 31 and a first bending section 32. The first extension section 31 extends in a first direction D1, and the first extension section 31 and the first bending section 32 are connected to each other. The first bending section 32 also includes a first fixing end 321 formed in the first bending section 32. The first extension section 31 is arranged in the corresponding each of the accommodation grooves 23 of the tongue plate 2, and the first bending section 32 is partially arranged on the first head 22. Among them, each of the first retaining portions 221 of the first head 22 of the tongue plate 2 can correspondingly fix the first fixing end 321. In the present embodiment, the first extension section 31 of the contact 3 is used to contact the mating connector end, and the first bending section 32 is arranged on the printed circuit board end (not shown). It should be noted that the contact 3 in the present embodiment takes the signal transmission terminal as an example, and can also include a combination of signal transmission terminals and power terminals. The type and number thereof can be adjusted according to the actual use situation, which is not limited herein.

[0071] The connection relationship of the connector 100 of the present application will be described in detail below. As shown in Figure 5A and Figure 5B 、 Figure 6 and Figure 10A and Figure 10BAs shown, when the tongue plate 2 is correspondingly engaged with the shell body 11 of the shell 1, and the contact piece 3 is inserted in the tongue plate 2, the first extension section 31 of the contact piece 3 is arranged on the first body 21, and the partial first bending section 32 is in contact with the first head 22. In detail, when the tongue plate 2 is inserted in the shell 1, the first body 21 sequentially passes through the first opening end 121 and the second opening end 122, the second buckle piece 25 passes through the first buckle part 15 and abuts against the second buckle part 16, and the first buckle piece 24 can provide an elastic force, so that the first buckle piece 24 abuts against the first buckle part 15. The combined arrangement of the first buckle piece 24 and the first buckle part 15, and the second buckle piece 25 and the second buckle part 16 can provide a limiting stop function when the tongue plate 2 is inserted into the positioning point of the shell 1, so as to prevent falling. On the other hand, when the tongue plate 2 is inserted into the shell 1, the first recess 131 and the second recess 132 of the first limiting track 13 are in mutual butt joint with the first protruding part 222 and the second protruding part 223 of the first head 22 of the tongue plate 2 corresponding in shape, and the first limiting track 13 limits the tongue plate 2 by accommodating the partial first head 22. Furthermore, at the same time when the tongue plate 2 is inserted into the shell 1, the second limiting track 14 is in mutual butt joint with the protruding block 26 of the tongue plate 2 corresponding in shape, and the second limiting track 14 limits the tongue plate by being inserted into the corresponding protruding block 26. Through the combined arrangement of the first limiting track 13 and the first protruding part 222 and the second protruding part 223, and the second limiting track 14 and the protruding block 26, the same limiting stop function can be provided when the tongue plate 2 is inserted into the positioning point of the shell 1, so as to increase the accuracy and stability of the assembly of the connector. It should be noted that the first buckle piece 24 used in the embodiment is a resilient buckle design, which can form at least one fixed buckle structure similar to the first buckle piece 24 on the first head 22 according to the actual assembly requirements of the shell 1 and the tongue plate 2, so as to increase the limiting engagement point when the shell 1 and the tongue plate 2 are assembled. In addition, the through slot 12 can also include a centering guide structure, when the tongue plate 2 and the shell 1 are assembled with the bottom center inserted, the tongue plate 2 can be guided along the track direction to the position by the first limiting track 13 and the second limiting track 14 inside the shell 1, and when positioned, the resilient buckle and the fixed buckle structure are all clamped to avoid the tongue plate 2 from falling off. On the other hand, the centering guide structure can ensure that the tongue plate 2 is correctly inserted into the shell, so as to improve the accuracy of element assembly.

[0072] It should be noted that in the embodiment of the connector 100 of the utility model, the shell 1 is made of an integral structure. In addition, the shell 1 can include two positioning columns formed on the shell body 11, which have the functions of positioning and fixing when combined with the printed circuit board end.

[0073] In summary, the connector of the utility model contains the combination of shell, tongue plate and contact piece, and the contact piece is only arranged on the tongue plate and is partially fixed on the holding part of the tongue plate, does not interfere with the shell, and through the corresponding configuration of the first limiting track, the convex part on the first head, the second limiting track, the convex block, the first buckle piece and the second buckle piece on the tongue plate and the first buckle part and the second buckle part of the shell, when the tongue plate is clamped on the shell, the effect of accurate positioning and improving the stability and accuracy of the connector part assembly can be achieved. Therefore, according to the connector of the utility model, the limiting and stopping effect when the connector part assembly is positioned can be optimally provided.

[0074] The above embodiments are only used to illustrate the embodiments of the utility model and explain the technical features of the utility model, and are not used to limit the protection scope of the utility model. Any changes or equivalent arrangements that can be easily completed by any person skilled in the art belong to the range claimed by the utility model, and the protection scope of the utility model should be subject to the claims.

Claims

1. A connector, characterized in that, Include: An outer casing includes an outer casing body and a through slot formed in the outer casing body. The through slot has a first open end and a second open end formed on opposite sides of the through slot. The first open end and the second open end together define an accommodating space. A tongue plate is disposed on the outer shell. The tongue plate includes a first main body and a first head connected to each other. The first head is engaged with the first opening end, and the first main body is accommodated in the accommodating space. and Multiple contact elements are disposed adjacent to each other on the tongue plate. Each contact element includes a first extension section and a first bending section. The first extension section extends along a first direction and is interconnected with the first bending section. When the tongue plate is engaged with the outer shell body and the contact member is inserted into the tongue plate, the first extension section is disposed on the first body, and the first bent section in part contacts the first head.

2. The connector as described in claim 1, characterized in that, The tongue plate also has multiple receiving slots extending from the first head and formed in the first body, which can accommodate the corresponding first extension segment.

3. The connector as described in claim 1, characterized in that, The first head also includes a plurality of first retaining portions, and the first bent section also includes a first fixed end, each of the first retaining portions being correspondingly fixed to the first fixed end.

4. The connector as claimed in claim 1, characterized in that, The housing also includes two first limiting tracks formed symmetrically at one end of the housing body, which limit the tongue plate by accommodating the first head portion when the tongue plate is inserted into the housing.

5. The connector as described in claim 4, characterized in that, Each of the first limiting tracks also has two first recesses and a plurality of second recesses, with the second recesses formed between the first recesses. The first head also has two first protrusions and a plurality of second protrusions, with the second protrusions formed between the first protrusions. The first protrusions and the second protrusions respectively engage with the first recesses and the second recesses.

6. The connector as claimed in claim 1, characterized in that, The housing also includes two first latching portions, which are formed on opposite inner sides of the housing body. The tongue plate also includes two first latching members, which are formed on opposite sides of the first body. The first latching members are close to the first opening end and correspondingly engage with the first latching portions.

7. The connector as claimed in claim 6, characterized in that, The housing also includes two second latching portions, which are formed on opposite inner sides of the housing body. The tongue plate also includes two second latching members, which are formed on opposite sides of the first body. The second latching members are close to the second opening end and correspondingly engage with the second latching portions.

8. The connector as claimed in claim 7, characterized in that, When the tongue plate is inserted into the housing, the first body passes through the first opening end and the second opening end in sequence, the second fastener passes through the first fastener part and abuts against the second fastener part, and the first fastener provides elastic force so that the first fastener abuts against the first fastener part.

9. The connector as claimed in claim 1, characterized in that, The housing also includes two second limiting tracks formed symmetrically at the other end of the housing body, and the tongue plate also includes two protrusions formed on opposite sides of the first body.

10. The connector as claimed in claim 9, characterized in that, The protrusion has a C-shaped structure. When the tongue plate is inserted into the outer shell, the tongue plate is limited by inserting the protrusion into the corresponding second limiting track.

11. The connector as claimed in claim 1, characterized in that, The housing and the tongue plate together define a plurality of corresponding slots and a plurality of corresponding plugs. The corresponding slots and the corresponding plugs are formed on the first head and the housing body. The corresponding slots and the corresponding plugs are complementary in shape to each other. When the tongue plate is engaged with the housing, the corresponding plugs engage with the corresponding slots to limit the tongue plate in the housing.

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