Heat dissipation shielding cage and electric connector

Abstract

The utility model discloses a heat dissipation shielding cage and an electric connector, and the heat dissipation shielding cage comprises a cage body which is used for being fixed to a butt joint circuit board, and is provided with a first wall, a second wall which is opposite to the first wall, and two side walls which enable the two sides of the first wall and the two sides of the second wall to be connected; the first wall, the second wall and the two side walls jointly define a containing cavity, and an opening for communicating the containing cavity with the outside is formed in the front end of the containing cavity. The boss is formed by protruding the first wall towards the interior of the containing cavity, and a main body plate is formed on the boss; the plurality of through holes are formed in the main body plate in a penetrating manner; and the elastic sheet part is formed by extending and bending the main body plate at the edge position of the through hole, and at least part of the elastic sheet part convexly extends into the accommodating cavity and can elastically deform in the thickness direction of the main body plate. The heat dissipation capability can be improved.

Description

TECHNICAL FIELD

[0001] The application relates to a heat dissipation shielding cage and an electrical connector. BACKGROUND

[0002] A common challenge faced by developers of electrical systems is heat management. Heat energy generated by electronic devices within the system can reduce the performance of the electronic devices and even damage components of the system, such as electrical connectors. Electrical connectors can be used to transmit data and / or power between different systems or devices. Data signals can be transmitted in the form of optical signals and / or electrical signals through communication cable(s). For example, IC connectors (PGA, etc.), IO connectors (Displayport, VGA, DVI, HDMI, USB, etc.), fiber optic connectors (FC, SC, ST, LC, D4, DIN, MU, MT, etc.), optical communication connectors (SFP, QDFP, etc.), filter connectors, CATV connectors, backplane connectors, memory stick / memory connectors (DDR, SIMM, DIMM, PCI, SIM, etc.), high-definition television connectors (RF coaxial connectors, etc.), flexible circuit board connectors (FPC, FFC, etc.), network cable connectors (RJ45, etc.), audio-video (AV) connectors, battery connectors, and the like. As the power of electrical connectors continues to increase, the heat generated also continues to increase, and it is necessary to design an electrical connector that can improve heat dissipation performance. CONTENT OF THE INVENTION

[0003] The application aims to provide a heat dissipation shielding cage and an electrical connector that can improve heat dissipation performance.

[0004] To achieve the above-mentioned purpose, the application provides the following technical solutions.

[0005] A heat dissipation shielding cage comprises:

[0006] A cage body is used to be fixed to a mating circuit board, and the cage body is provided with a first wall, a second wall arranged opposite to the first wall, and two side walls connecting two sides of the first wall and the second wall;

[0007] The first wall, the second wall, and the two side walls jointly form a containing cavity and form an opening at the front end to communicate the containing cavity with the outside;

[0008] A boss is formed by protruding from the first wall into the containing cavity, and the boss is formed with a main plate;

[0009] A plurality of through holes are formed through the main plate;

[0010] A spring piece portion is formed by extending and bending the main plate at the edge position of the through hole, and at least part of the spring piece portion protrudes into the containing cavity and can be elastically deformed along the thickness direction of the main plate.

[0011] Further, a spring piece is formed in each of the through holes.

[0012] Further, the spring piece is formed in a cantilever shape extending from front to back.

[0013] Further, the spring piece is bent in the middle of the front-to-back direction into the accommodating cavity.

[0014] Further, the through holes are arranged in an array on the main plate.

[0015] Further, the application further comprises:

[0016] a connecting portion surrounding the main plate;

[0017] a plurality of connecting bridges directly or indirectly connecting the connecting portion and the main plate, and a gap being formed between the connecting portion and the main plate except for the connecting bridges.

[0018] Further, the connecting portion comprises a bent portion directly connected to the outer peripheral edge of the main plate and a skirt portion directly connected to the outer peripheral edge of the bent portion.

[0019] The skirt portion is coplanar with the first wall.

[0020] Further, the bent portion is in a trumpet shape gradually increasing in opening from the side away from the accommodating cavity.

[0021] Further, the main plate is in a quadrilateral shape.

[0022] The skirt portion is in a quadrilateral frame shape surrounding the bent portion.

[0023] Further, the application further comprises:

[0024] a side wing wall extending upward from the two side edges of the first wall, the side wing wall being fixedly attached to the outer surface of the side wall;

[0025] an extension leg further extending downward from the lower edge of the side wall and passing through the first wall;

[0026] a docking leg further extending from the lower edge of the extension leg, the docking leg being used for fixing with the docking circuit board, and the lower edge of the extension leg being supported on the mounting surface of the docking circuit board;

[0027] a reserved gap being formed between the lower surface of the first wall and the mounting surface of the docking circuit board.

[0028] Further, a through hole is formed in the corresponding position of the boss along the thickness direction of the docking circuit board.

[0029] To achieve the object, the application provides the following technical scheme.

[0030] An electric connector comprises the heat dissipation shielding cage according to any one of the preceding items, and further comprises:

[0031] A back end wall connected to the end edge of the second wall and the two side walls away from the opening, the back end wall, the first wall, the second wall and the two side walls jointly defining the accommodating cavity;

[0032] An installation opening formed between the end edge of the first wall away from the opening and the back end wall, the installation opening being connected to the outside of the accommodating cavity;

[0033] A terminal assembly provided with an insulating body and a plurality of conductive terminals fixed to the insulating body;

[0034] The cage body is sleeved on the outer periphery of the terminal assembly through the installation opening;

[0035] The front end of the insulating body is recessed to form a mating cavity connected to the accommodating cavity, each conductive terminal comprises a fixed segment embedded in the insulating body, a contact part extended into the mating cavity from the fixed segment, and a mating segment extended out of the insulating body from the fixed segment, the mating segment being protruded out of the insulating body from the lower surface of the insulating body for corresponding electrical contact and fixation with the mating circuit board.

[0036] Compared with the prior art, the application has the beneficial effect of improving the heat dissipation capacity. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 is a perspective view of the electric connector, specifically showing a perspective view of the electric connector after being mounted on the mating circuit board.

[0038] Figure 2 is Figure 1 a perspective view from another angle, specifically showing a perspective view of the electric connector after being separated from the mating circuit board.

[0039] Figure 3 is Figure 1 a bottom view of

[0040] Figure 4 is Figure 1 a top view of

[0041] Figure 5 is a sectional view along line A-A of Figure 4

[0042] Figure 6 is Figure 5 an enlarged view of the structure in the dashed box of​

[0043] Figure 7 is an enlarged view of the structure in the dashed-dotted box. Figure 2

[0044] Figure 8 is a sectional view taken along line B-B in FIG. Figure 4

[0045] Figure 9 is an enlarged view of the structure in the dashed-dotted box. Figure 8 DETAILED DESCRIPTION

[0046] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0047] For the accuracy of the description throughout the present application, all the directions are defined with reference to the X, Y and Z axes as follows: the direction along the X axis is defined as the left-right direction (i.e. the width direction of the electrical connector); the direction along the Y axis is defined as the up-down direction, wherein the positive direction of the Y axis is upward; and the direction along the Z axis is defined as the front-rear direction (i.e. the plugging direction of the mating electrical connector), wherein the positive direction of the Z axis is rearward, i.e. the insertion direction of the mating electrical connector. Figure 1

[0048] As shown in Figures 1 to 9 , the electrical connector of the present application comprises a cage 1 and a terminal assembly 300 used in cooperation with the cage 1, and the cage 1 and the terminal assembly 300 cooperatively form a complete electrical connector which can be assembled to a mating circuit board 200 in an electronic device or a communication facility.

[0049] The cage 1 is provided with a first wall 11, a second wall 12 arranged opposite to the first wall 11, two side walls 13 connecting the left and right sides of the first wall 11 and the second wall 12, and a rear end wall 17 connecting the rear end edges of the second wall 12 and the two side walls 13. The rear end wall 17, the first wall 11, the second wall 12 and the two side walls 13 cooperatively combine to define a receiving cavity 10 and form an opening 101 at the front end to communicate the receiving cavity 10 with the outside. An installation opening 102 is formed between the end edge of the first wall 11 far from the opening 101 and the rear end wall 17, and the installation opening 102 communicates the receiving cavity 10 downward with the outside.

[0050] As shown in Figure 2 , Figure 5 and Figure 8 ​​​​As shown, the terminal assembly 300 is provided with an insulating body 31 and a plurality of conductive terminals (not numbered) fixed to the insulating body 31. The cage body 1 is sleeved on the outer periphery of the terminal assembly 300 through the mounting port 102. The front end of the insulating body 31 is recessed backward to form a mating cavity 310 in communication with the accommodating cavity 10. Each of the conductive terminals includes a fixed segment (not numbered) embedded and fixed in the insulating body 31, a contact portion 321 extended from the fixed segment into the mating cavity 310, and a mating segment 322 extended out of the insulating body 31 from the fixed segment. The mating segment 322 is protruded out of the insulating body 31 from the lower surface of the insulating body 31 for corresponding electrical contact and fixation with the mating circuit board 200.

[0051] In use, the terminal assembly 300 can be separately mounted and fixed to the mating circuit board 200, and then the cage body 1 is sleeved on the outer periphery of the terminal assembly 300 through the mounting port 102, and the cage body 1 is fixed to the mating circuit board 200. Of course, the terminal assembly 300 can also be designed to be first inserted into the cage body 1 through the mounting port 102 to form a complete electrical connector, and then the electrical connector is integrally assembled and fixed to the mating circuit board 200. The mating connector (not shown) is inserted into the accommodating cavity 10 through the opening 101 and extends into the mating cavity 310 to achieve electrical connection with the contact portion 321 of the conductive terminal.

[0052] Please refer to Figure 2 , Figure 3 and Figures 5 to 9 As shown, the first wall 11 protrudes into the accommodating cavity 10 to form a boss 14. The boss 14 is formed with a main plate 141. A plurality of through holes 15 are formed through the main plate 141. The main plate 141 extends and bends at the edge position of the through holes 15 to form a spring sheet portion 16. The spring sheet portion 16 partially protrudes into the accommodating cavity 10 and can be elastically deformed along the thickness direction of the main plate 141. When the mating connector is inserted into the mating cavity 310, a plurality of spring sheet portions 16 can elastically contact the mating connector to achieve multi-point contact and rapid heat transfer. In combination with the structure of the plurality of through holes 15, the air flow between the accommodating cavity 10 and the outside can be increased to increase the heat dissipation effect.

[0053] In a preferred embodiment, each of the through holes 15 is correspondingly formed with a spring sheet portion 16. Each of the spring sheet portions 16 extends from front to back to form a cantilever shape. Each of the spring sheet portions 16 is bent inwardly into the accommodating cavity 10 at the middle position in the front-to-back direction. A plurality of the through holes 15 are arranged in an array on the main plate 141.

[0054] Further, the connection part (not numbered) surrounding the main plate 141 and the plurality of connection bridges 144 integrally connecting the connection part and the main plate 141 are included in the preferred embodiment of the present application. The interval gap 140 is formed between the connection part and the main plate 141 except the connection bridges 144. The design makes the whole composed of the main plate 141 and the connection part float in a certain range along the up-down direction. In one embodiment, the connection part includes the bending part 142 directly connected with the outer peripheral edge of the main plate 141 and the skirt part 143 directly connected with the outer peripheral edge of the bending part 142. The skirt part 143 is coplanar with the first wall 11. The bending part 142 is trumpet-shaped with the opening gradually increasing away from the accommodating cavity 10. In the embodiment, the main plate 141 is quadrangular and the skirt part 143 connects the quadrangular frame around the bending part 142.

[0055] Further, in the preferred embodiment of the present application, the side edges of the first wall 11 extend upward to form the side wing wall 111. The side wing wall 111 is correspondingly fixed to the outer surface of the side wall 13. The lower edge of the side wall 13 further extends downward and penetrates the first wall 11 to form the extension leg 131. The lower edge of the extension leg 131 further extends to form the docking leg 132. The docking leg 132 is used to fix the docking circuit board 200 and the lower edge of the extension leg 131 is supported on the mounting surface of the docking circuit board 200 so that the lower edge surface of the first wall 11 and the mounting surface of the docking circuit board 200 form the reserved gap 110. The design can form the air gap (reserved gap 110) between the lower edge surface of the first wall 11 and the docking circuit board 200 to improve the air flow exchange and heat dissipation capacity and provide space for the whole composed of the main plate 141 and the connection part to float along the up-down direction. In addition, to further improve the above effect, the through hole 201 is further formed in the docking circuit board 200 along the thickness direction and corresponds to the boss 14.

[0056] Please refer to Figure 1 , Figure 5 and Figure 8As shown, in the preferred embodiment of the present application, the electric connector further comprises a heat dissipation fin assembly 400, a clearance hole 121 is formed in the middle of the second wall 12, the heat dissipation fin assembly 400 is stacked on the upper surface of the second wall 12 from top to bottom, and the heat dissipation fin assembly 400 is formed with a contact boss part 41 which protrudes downward into the accommodating cavity 10 through the clearance hole 121. The electric connector further comprises a locking member 42 which is astride on the heat dissipation fin assembly 400 from top to bottom, and the left and right sides are buckled and fixed with the outer wall surface of the two side walls 13. In use, the mating connector can contact the contact boss part 41 to achieve heat transfer, and the heat dissipation fin assembly 400 can float upward. In the preferred embodiment, the contact boss part 41 and the boss 14 (specifically the main plate 141) are oppositely arranged in the up-down direction.

[0057] In the description of the present application, it should be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship shown in the drawings, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0058] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, four, etc.

[0059] In the present application, unless otherwise expressly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise expressly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0060] In this application, unless otherwise explicitly specified and limited, a first feature being "on", "above", or "under" a second feature can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Also, a first feature being "over", "above", and "on top of" a second feature can be the first feature directly above or obliquely above the second feature, or can simply mean that the first feature is horizontally higher than the second feature. A first feature being "under", "below", and "underneath" a second feature can be the first feature directly below or obliquely below the second feature, or can simply mean that the first feature is horizontally lower than the second feature.

[0061] While embodiments of the present application have been shown and described with reference to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. The scope of the application is thus defined by the following claims and equivalents thereto.

Claims

1. A heat dissipation shield cage, characterized by, Comprise: A cage (1) for fixing to a docking circuit board (200), the cage (1) is provided with a first wall (11), a second wall (12) arranged opposite to the first wall (11), and two side walls (13) connecting the two sides of the first wall (11) and the second wall (12); The first wall (11), the second wall (12), and the two side walls (13) together form a containing cavity (10) and form an opening (101) at the front end to communicate the containing cavity (10) with the outside; A boss (14) is formed by the first wall (11) protruding into the containing cavity (10), the boss (14) is formed with a main plate (141); A plurality of through holes (15) are formed through the main plate (141); A spring piece (16) is formed by extending and bending the main plate (141) at the edge position of the through hole (15), at least part of the spring piece (16) protrudes into the containing cavity (10) and can be elastically deformed along the thickness direction of the main plate (141).

2. A heat spreader shield cage as claimed in claim 1, wherein: Each of the through holes (15) corresponds to form a spring piece (16).

3. A heat spreader shield cage as claimed in claim 1, wherein: The spring piece (16) is formed in a cantilever shape by extending from front to back.

4. A heat spreader shield cage as claimed in claim 1, wherein: The spring piece (16) is bent to form a cantilever shape at the middle position of the front and back direction.

5. A heat spreader shield cage as claimed in claim 2, wherein: A plurality of through holes (15) are arranged in an array on the main plate (141).

6. A heat spreader shield cage as claimed in claim 1, wherein, Further comprising: A connecting portion surrounding the main plate (141); A plurality of connecting bridges (144) directly or indirectly connecting the connecting portion and the main plate (141), and a spacing gap (140) is formed between the connecting portion and the main plate (141) except for the connecting bridges (144).

7. The heat dissipation shielding cage of claim 6, wherein: The connecting portion includes a bent portion (142) directly connected with the outer peripheral edge of the main plate (141) and a skirt portion (143) directly connected with the outer peripheral edge of the bent portion (142); The skirt portion (143) is coplanar with the first wall (11).

8. A heat spreader shield cage as claimed in claim 7, wherein: The bent portion (142) is in a trumpet shape with the opening gradually increasing away from the containing cavity (10).

9. The heat dissipation shielding cage of claim 7, wherein: The main plate (141) is in a quadrilateral shape; The skirt portion (143) is connected to surround the bent portion (142) in a quadrilateral frame shape.

10. A heat spreader shield cage as claimed in claim 1, wherein, Further comprising: A wing wall (111) is formed by extending upward from the two side edges of the first wall (11), and the wing wall (111) is correspondingly fixed to the outer surface of the side wall (13); An extension foot (131) is further extended downward from the lower edge of the side wall (13) and formed through the first wall (11); A docking foot (132) is further extended from the lower edge of the extension foot (131), the docking foot (132) is used for fixing to the docking circuit board (200), and the lower edge of the extension foot (131) is supported on the mounting surface of the docking circuit board (200); A reserved gap (110) is formed between the lower edge of the first wall (11) and the mounting surface of the docking circuit board.

11. A heat sink shield cage according to any one of claims 1 to 10, wherein: The docking circuit board (200) is provided with a through hole (201) formed in the corresponding position of the boss (14) in the thickness direction.

12. An electrical connector comprising the heat-dissipating shield cage according to any one of claims 1 to 11, characterized in that, Further comprising: A rear end wall (17) connected to the end edges of the second wall (12) and the two side walls (13) away from the opening (101), the rear end wall (17), the first wall (11), the second wall (12) and the two side walls (13) together define the accommodation cavity (10); An installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and the installation port (102) is formed between the end edge of the first wall (11) away from the opening (101) and the rear end wall (17), and ​ ​ ​

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