Terminal assembly and connector

Abstract

The utility model belongs to the technical field of connectors, and discloses a terminal assembly and a connector, the terminal assembly comprises a conductive terminal and an insulating cover, the conductive terminal comprises a plugging part, a transition part and a welding part which are connected in sequence, the plugging part is parallel to the welding part, and an insulating body of the insulating cover is arranged on one side of the welding part away from a welding surface. The insulating cover is provided with an insertion column extending in the Y-axis direction. The welding part is covered on the aluminum substrate by the insulating body, so that the welding part can be isolated and protected, other parts are prevented from touching the welding part, and the safety is ensured; the insertion columns can be inserted into the aluminum substrate for pre-positioning, so that the welding part and the aluminum substrate can be welded and fixed conveniently; after the welding part and the aluminum substrate are welded and fixed, the terminal assembly and the aluminum substrate are close to the circuit board in the Z-axis direction, the inserting part is inserted into the circuit board in the Z-axis direction, and due to the fact that the inserting part and the welding part are arranged in parallel, assembling is convenient, and assembling efficiency can be guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to connector technical field especially terminal assembly and connector. BACKGROUND

[0002] Aluminum substrate patch terminal is also called SMT terminal, is surface mount technology terminal, need not drill hole on aluminum substrate, directly welds terminal on aluminum substrate.

[0003] However, aluminum substrate patch terminal is exposed and installed on aluminum substrate, and reliability is low. CONTENT

[0004] The utility model discloses a terminal assembly and connector, set up conductive terminal and insulating cover, improve reliability.

[0005] To achieve this purpose, the utility model adopts the following technical scheme:

[0006] First, a terminal assembly is provided, including a conductive terminal and an insulating cover, the conductive terminal includes a plug-in part, a transition part and a welding part connected in turn, the plug-in part is parallel to the welding part, the plug-in part is used for being inserted in the circuit board along the Z-axis direction, the welding surface of the welding part located in the XZ plane is used for welding with the aluminum substrate, the insulating body of the insulating cover is arranged on the side of the welding part away from the welding surface, the insulating cover is provided with a plug post extending along the Y-axis direction, and the plug post is used for inserting into the aluminum substrate.

[0007] As an optional technical scheme, the conductive terminal further includes a plug head part extending along the Y-axis direction, one side of the insulating body facing the welding part is provided with a socket, and the plug head part is closely inserted into the socket.

[0008] As an optional technical scheme, the side wall of the plug head part is provided with a convex envelope.

[0009] As an optional technical scheme, the plug head part is located at one end of the welding part away from the plug-in part.

[0010] As an optional technical scheme, the plug head part is provided with two, two plug head parts are arranged along the X-axis direction, the welding part includes a convex block extending to the space between the two plug head parts along the Z-axis direction, and the welding surface extends to the convex block.

[0011] As an optional technical solution, the two insertion columns are arranged on two sides of the welding part along the X-axis direction.

[0012] As an optional technical solution, the insulating cover further comprises two limiting parts arranged on two sides of the transition part along the X-axis direction, the limiting parts extend to one side of the transition part away from the insulating body along the Y-axis direction, and the limiting parts are used for abutting against the circuit board.

[0013] As an optional technical solution, the side of the limiting part close to the insertion column is provided with a notch, and the corner part of the aluminum substrate is clamped in the notch.

[0014] As an optional technical solution, the root of the insertion column is provided with a reinforcing rib.

[0015] In the second aspect, a connector is provided, comprising the terminal assembly.

[0016] The utility model discloses beneficial effects:

[0017] The utility model provides terminal assembly and connector, the connector includes terminal assembly, and the terminal assembly includes conductive terminal and insulating cover, and the conductive terminal includes the plug -in part, transition part and welding part connected in proper order, and the plug -in part is parallel to the welding part, and the plug -in part is used for being inserted in the circuit board along the Z -axis direction, and the welding surface of the welding part in the XZ plane is used for welding with the aluminum substrate, and the insulating body of the insulating cover sets up on one side of the welding part away from the welding surface, and the insulating cover is equipped with the insertion column extending along the Y -axis direction, and the insertion column is used for inserting the aluminum substrate.

[0018] In the utility model, the insulating body covers the welding part on the aluminum substrate, can isolate and protect the welding part, prevents other components from touching the welding part, to guarantee the security, the insertion column can insert the aluminum substrate, to carry out the prepositioning, and the welding of the welding part and the aluminum substrate is convenient, and the welding is fixed, and the insertion column is inserted into the circuit board along the Z -axis direction, because the plug -in part and the welding part are parallelly arranged, convenient to assemble, can guarantee the assembling efficiency. ACCURATE DRAWINGS

[0019] Fig. 1 It is the structure schematic diagram of the terminal assembly of the utility model;

[0020] Fig. 2 It is the first perspective of the terminal assembly of the utility model's explosion map;

[0021] Fig. 3 It is the second perspective of the terminal assembly of the utility model's explosion map.

[0022] In the drawing:

[0023] 1. electrically conductive terminal; 11. plug-in portion; 12. transition portion; 13. soldering portion; 131. protruding block; 132. soldering surface; 14. plug portion; 141. convexity;

[0024] 2. insulating cover; 21. insulating body; 211. insertion opening; 22. insertion post; 23. limiting portion; 231. notch; 24. reinforcing rib. DETAILED DESCRIPTION

[0025] The utility model will be described in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0026] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" 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 of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] In the utility model, unless otherwise explicitly specified and limited, the first feature "on" or "below" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0028] In the description of the embodiment, the terms "up", "down", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0029] As Figs. 1 to 3As shown, the embodiment provides a terminal assembly, the terminal assembly comprises a conductive terminal 1 and an insulating cover 2, the conductive terminal 1 comprises a plug-in part 11, a transition part 12 and a welding part 13 connected in sequence, the plug-in part 11 is parallel to the welding part 13, the plug-in part 11 is used for being inserted into a circuit board along the Z-axis direction, the welding surface 132 of the welding part 13 located in the XZ plane is used for being welded with an aluminum substrate, the insulating body 21 of the insulating cover 2 is arranged on the side of the welding part 13 away from the welding surface 132, the insulating cover 2 is provided with a plug column 22 extending along the Y-axis direction, and the plug column 22 is used for being inserted into the aluminum substrate.

[0030] Specifically, the insulating body 21 covers the welding part 13 on the aluminum substrate, can isolate and protect the welding part 13, prevent other components from touching the welding part 13, and ensure safety; the plug column 22 can be inserted into the aluminum substrate to be pre-positioned, facilitating the welding and fixation of the welding part 13 and the aluminum substrate; after the welding part 13 is welded and fixed with the aluminum substrate, the terminal assembly and the aluminum substrate are close to the circuit board along the Z-axis direction, and the plug-in part 11 is inserted into the circuit board along the Z-axis direction. Since the plug-in part 11 and the welding part 13 are arranged in parallel, the assembly is convenient and the assembly efficiency can be ensured.

[0031] In the embodiment, the conductive terminal 1 is made of aluminum alloy.

[0032] In the embodiment, the insulating cover 2 is made of polyamide.

[0033] Optionally, the conductive terminal 1 further comprises a plug head part 14 extending along the Y-axis direction, the side of the insulating body 21 facing the welding part 13 is provided with a plug opening 211, and the plug head part 14 is tightly inserted into the plug opening 211 to ensure the connection stability of the conductive terminal 1 and the insulating cover 2, and prevent looseness between the conductive terminal 1 and the insulating cover 2 before being welded to the aluminum substrate.

[0034] Optionally, the side wall of the plug head part 14 is provided with a convex bump 141, and the convex bump 141 and / or the inner wall of the plug opening 211 are elastically deformed when the plug head part 14 is inserted into the plug opening 211, so as to improve the connection stability of the plug head part 14 and the insulating body 21.

[0035] Optionally, the plug head part 14 is located at the end of the welding part 13 away from the plug-in part 11, which optimizes the layout space and avoids affecting the insertion of the plug-in part 11 into the circuit board.

[0036] Optionally, the plug head part 14 is provided as two, the two plug head parts 14 are arranged in the X-axis direction, the welding part 13 comprises a protruding block 131 extending to the space between the two plug head parts 14 along the Z-axis direction, and the welding surface 132 extends to the protruding block 131. The protruding block 131 is arranged to increase the area of the welding surface 132 and improve the connection stability of the conductive terminal 1 and the aluminum substrate.

[0037] Optionally, the two insertion posts 22 are arranged on two sides of the welding portion 13 along the X-axis direction.

[0038] Optionally, the insulating cover 2 further comprises two limiting portions 23 arranged on two sides of the transition portion 12 along the X-axis direction, the limiting portions 23 extend to the side of the transition portion 12 away from the insulating body 21 along the Y-axis direction, and the limiting portions 23 are used for abutting against the circuit board. The transition portion 12 is connected between the plug-in portion 11 and the welding portion 13 in a smooth manner, the plug-in portion 11 is vertically inserted into the circuit board, and after the plug-in portion 11 is completely inserted into the circuit board, the transition portion 12 abuts against the circuit board. Since the transition portion 12 and the circuit board are in a non-vertical state, in order to prevent the terminal assembly and the aluminum substrate from being warped or deflected, the limiting portions 23 are arranged in the embodiment, and after the plug-in portion 11 is completely inserted into the circuit board, the limiting portions 23 abut against the circuit board.

[0039] Optionally, the side of the limiting portion 23 close to the insertion post 22 is provided with a notch 231, and the corner portion of the aluminum substrate is clamped in the notch 231. The insertion post 22 and the notch 231 of the limiting portion 23 play a matching role to achieve pre-positioning.

[0040] Optionally, the root of the insertion post 22 is provided with a reinforcing rib 24 to improve the structural strength of the insertion post 22.

[0041] The embodiment further provides a connector, which comprises the terminal assembly.

[0042] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not the limitation of the embodiments of the utility model. For ordinary skilled in the art, various obvious changes, re-adjustment and replacement can be made without departing from the protection scope of the utility model. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made in the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A terminal assembly, characterized in that, The device includes a conductive terminal (1) and an insulating cover (2). The conductive terminal (1) includes a plug-in portion (11), a transition portion (12), and a solder portion (13) connected in sequence. The plug-in portion (11) is parallel to the solder portion (13) and is used to be inserted into the circuit board along the Z-axis direction. The solder surface (132) of the solder portion (13) located in the XZ plane is used to be soldered to the aluminum substrate. The insulating body (21) of the insulating cover (2) is disposed on the side of the solder portion (13) away from the solder surface (132). The insulating cover (2) is provided with a post (22) extending along the Y-axis direction and is used to be inserted into the aluminum substrate.

2. The terminal assembly according to claim 1, characterized in that, The conductive terminal (1) also includes a plug portion (14) extending along the Y-axis direction. The insulating body (21) has a socket (211) on the side facing the welding portion (13), and the plug portion (14) is tightly inserted into the socket (211).

3. The terminal assembly according to claim 2, characterized in that, The side wall of the plug portion (14) is provided with a protrusion (141).

4. The terminal assembly according to claim 2, characterized in that, The plug portion (14) is located at the end of the solder portion (13) away from the plug portion (11).

5. The terminal assembly according to claim 4, characterized in that, The plug portion (14) is provided as two, and the two plug portions (14) are spaced apart along the X-axis direction. The welding portion (13) includes a protrusion (131) extending along the Z-axis direction between the two plug portions (14), and the welding surface (132) extends to the protrusion (131).

6. The terminal assembly according to claim 1, characterized in that, The two insertion posts (22) are arranged at intervals along the X-axis on both sides of the welding part (13).

7. The terminal assembly according to claim 1, characterized in that, The insulating cover (2) also includes two limiting portions (23) spaced apart on both sides of the transition portion (12) along the X-axis direction. The limiting portions (23) extend along the Y-axis direction to the side of the transition portion (12) away from the insulating body (21). The limiting portions (23) are used to abut against the circuit board.

8. The terminal assembly according to claim 7, characterized in that, The limiting part (23) has a notch (231) on the side near the insertion post (22), and the corner of the aluminum substrate is engaged with the notch (231).

9. The terminal assembly according to claim 1, characterized in that, The root of the insert (22) is provided with a reinforcing rib (24).

10. A connector, characterized in that, Includes the terminal assembly as described in any one of claims 1-9.

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