CN211828754U

CN211828754U - Lead frame of SMB diode

Info

Publication number: CN211828754U
Application number: CN202020323599.3U
Authority: CN
Inventors: 徐红波
Original assignee: Ningbo Gangbo Electronics Co ltd
Current assignee: Ningbo Gangbo Electronics Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-10-30
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses a SMB diode's lead frame, including lead frame body, first connecting hole, connecting block and fixed block, the fixed slot has been seted up to lead frame body leading flank, and lead frame body leading flank has seted up the pin hole, the pin hole sets up respectively in the fixed slot left and right sides, and has seted up the extending groove respectively in both sides about the pin hole, first connecting hole is seted up at lead frame body leading flank, and first connecting hole sets up respectively in the pin hole left and right sides, the connecting block sets up the face of both sides about the lead frame body respectively, and is provided with the connecting screw on the connecting block. SMB diode's lead frame is provided with the extending groove, and the SMB diode need use the lead frame to carry out pin connection, when the SMB diode passes through pin hole and outer pin connection for soldering tin directly extends to weld inside the extending groove, makes the extending groove can make the welding zone of soldering tin enlarge, makes the inside soldering tin of pin hole be difficult to take place the condition that drops like this.

Description

Lead frame of SMB diode

Technical Field

The utility model relates to a lead frame especially relates to SMB diode's lead frame.

Background

The lead frame is used as a chip carrier of an integrated circuit, is a key structure body which realizes the electrical connection between the leading-out end of an internal circuit of a chip and a lead by means of bonding materials to form an electrical circuit, plays a role of a bridge connected with an external lead and is an important basic material in the electronic information industry.

When the lead frame of the existing SMB diode is used, when the SMB diode is connected with an external lead, a welding spot is easy to fall off, and the existing lead frame for the SMB diode is inconvenient to be connected with an adjacent lead frame.

SUMMERY OF THE UTILITY MODEL

The utility model provides a SMB diode's lead frame to not enough among the prior art, and the solder joint drops easily, the inconvenient interconnect of adjacent lead frame.

In order to solve the technical problem, the utility model is solved by the following technical scheme: SMB diode's lead frame, including lead frame body, first connecting hole, connecting block and fixed block, the fixed slot has been seted up to lead frame body leading flank, and lead frame body leading flank has seted up the pin hole, the pin hole sets up respectively in the fixed slot left and right sides, and the extending groove has been seted up respectively to both sides about the pin hole, first connecting hole is seted up at lead frame body leading flank, and first connecting hole sets up respectively in the pin hole left and right sides, the connecting block sets up the face of both sides about the lead frame body respectively, and is provided with the connecting screw on the connecting block, the fixed block sets up the face of both sides about the lead frame body respectively, and the fixed block setting is between the connecting block, the slot has been seted up to the fixed block.

Preferably, two sets of fixing grooves and two sets of lead holes are arranged.

Preferably, the extension grooves are symmetrically disposed about a central axis of the feed-through hole.

Preferably, the connecting block is crisscross the setting with the fixed block, and the position of lead frame body upside connecting block and fixed block and the position of lead frame body downside fixed block and connecting block are the symmetry setting.

Preferably, the position of the connecting screw corresponds to the position of the second connecting hole.

Preferably, the width and the length of the inner side surface of the slot are respectively equal to the length and the width of the connecting block.

The utility model provides a lead frame of SMB diode, which is provided with an extension groove, the SMB diode needs to use the lead frame to carry out lead connection, when the SMB diode is connected with an outer lead through a lead hole, soldering tin directly extends and welds the inside of the extension groove, the extension groove can enlarge the welding area of the soldering tin, and thus the soldering tin in the lead hole is not easy to fall off; be provided with connecting block and fixed block, when lead frame needs interconnect for adjacent SMB diode, inside the fixed block upside slot on another lead frame corresponding position was entered into through the connecting block that lets on the lead frame, inside the rethread used connecting screw through connection piece entered into the second connecting hole, caused connecting block and fixed block fixed connection together, made the lead frame for adjacent SMB diode conveniently to link together simultaneously and installed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will discuss the drawings required to be used in the description of the embodiments or the prior art, it is obvious that the technical solutions described in conjunction with the drawings are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings thereof can be obtained according to the embodiments shown in the drawings without creative efforts.

Fig. 1 is a front view of the present invention.

Fig. 2 is a side view schematic diagram of the fixing block of the present invention.

Fig. 3 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

Fig. 4 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: the lead frame comprises a lead frame body 1, a fixing groove 2, a lead hole 3, an extending groove 4, a first connecting hole 5, a connecting block 6, a connecting screw 7, a fixing block 8, a slot 9 and a second connecting hole 10.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments described in the present disclosure, all other embodiments obtained by a person skilled in the art without creative efforts are within the scope of the present disclosure.

The embodiment of the utility model provides a lead frame of SMB diode can make the lead wire gas tightness better.

As shown in fig. 1 to 4, including lead frame body 1, first connecting hole 5, connecting block 6 and fixed block 8, fixed slot 2 has been seted up to 1 leading flank of lead frame body, and lead wire hole 3 has been seted up to 1 leading flank of lead frame body, lead wire hole 3 sets up respectively in the 2 left and right sides of fixed slot, and extension groove 4 has been seted up respectively to both sides about lead wire hole 3, first connecting hole 5 is seted up at 1 leading flank of lead frame body, and first connecting hole 5 sets up respectively in the 3 left and right sides of lead wire hole, connecting block 6 sets up respectively at 1 upper and lower both sides face of lead frame body, and be provided with connecting screw 7 on connecting block 6, fixed block 8 sets up respectively at 1 upper and lower both sides face of lead frame body, and fixed block 8 sets up between connecting block 6, slot 9 has been seted up to.

Further, two sets of fixing grooves 2 and lead holes 3 are provided.

Further, the extension grooves 4 are symmetrically disposed about the central axis of the lead hole 3.

Further, connecting block 6 is the setting of staggering with fixed block 8, and the position of 1 upside of lead frame body connecting block 6 and fixed block 8 and the position of 1 downside of lead frame body fixed block 8 and connecting block 6 are the symmetry setting.

Further, the position of the connecting screw 7 is arranged corresponding to the position of the second connecting hole 10.

Further, the width and length of the inner side surface of the slot 9 are equal to the length and width of the connecting block 6, respectively.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the present application is defined by the appended claims, rather than the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

The utility model provides a lead frame of SMB diode, when in use, the SMB diode is placed in a fixed groove 2 on a lead frame body 1, and meanwhile, the pole tubes on the two sides of the SMB diode respectively enter into lead holes 3 on the left side and the right side of the fixed groove 2, so that the soldering tin begins to be performed in the lead holes 3 at the moment, the SMB diode is fixed, when the soldering tin is performed, the soldering tin enters into an extending groove 4, the extending groove 4 can limit the soldering tin, the soldering tin in the lead holes 3 is not easy to fall off, thereby the lead work is not easy to be influenced, after the mounting connection of the SMB diode is completed, when the lead frame body 1 needs to be fixedly mounted, when the adjacent lead frame bodies 1 are mutually mounted and connected, by allowing a connecting block 6 at one end of one lead frame body 1 to enter into a slot 9 on a fixed block 8 at the corresponding position of the other lead frame body 1, and then, the connecting screw 7 is used for penetrating through the connecting block 6 to enter the second connecting hole 10 inside the slot 9, so that the connecting block 6 is connected with the fixing block 8, the adjacent lead frame bodies 1 can be mutually installed and connected together, after the connection is completed, the installation can be carried out, and the fixing screw is used for penetrating through the first connecting hole 5 on the lead frame body 1 and is connected with the mounting frame.

Claims

The lead frame of SMB diode includes lead frame body (1), first connecting hole (5), connecting block (6) and fixed block (8), its characterized in that: fixing groove (2) has been seted up to lead frame body (1) leading flank, and lead wire hole (3) have been seted up to lead wire frame body (1) leading flank, lead wire hole (3) set up respectively in the fixed groove (2) left and right sides, and extension groove (4) have been seted up respectively to lead wire hole (3) upper and lower both sides, first connecting hole (5) are seted up at lead wire frame body (1) leading flank, and first connecting hole (5) set up respectively in lead wire hole (3) left and right sides, connecting block (6) set up respectively in lead wire frame body (1) upper and lower both sides face, and are provided with connecting screw (7) on connecting block (6), fixed block (8) set up respectively in lead wire frame body (1) upper and lower both sides face, and fixed block (8) set up between connecting block (6), slot (9) have been seted up to fixed, and the slot (9) is provided with a second connecting hole (10).
2. The lead frame of the SMB diode of claim 1, wherein: two groups of fixing grooves (2) and two groups of lead holes (3) are arranged.
3. The lead frame of the SMB diode of claim 1, wherein: the extension grooves (4) are symmetrically arranged around the central axis of the lead hole (3).
4. The lead frame of the SMB diode of claim 1, wherein: connecting block (6) are the setting of staggering with fixed block (8), and the position of lead frame body (1) upside connecting block (6) and fixed block (8) and the position of lead frame body (1) downside fixed block (8) and connecting block (6) are the symmetry and set up.
5. The lead frame of the SMB diode of claim 1, wherein: the position of the connecting screw (7) is arranged corresponding to the position of the second connecting hole (10).
6. The lead frame of the SMB diode of claim 1, wherein: the width and the length of the inner side surface of the slot (9) are respectively equal to the length and the width of the connecting block (6).