CN211907407U

CN211907407U - Bridge rectifier convenient to welding

Info

Publication number: CN211907407U
Application number: CN202021090235.1U
Authority: CN
Inventors: 李龙荣; 毛姬娜; 毛鸿辉; 郭燕; 周东方; 任俊娟
Original assignee: Dongguan Nanjing Electronics Ltd
Current assignee: Dongguan Nanjing Electronics Ltd
Priority date: 2020-06-15
Filing date: 2020-06-15
Publication date: 2020-11-10
Anticipated expiration: 2030-06-15

Abstract

The utility model discloses a bridge rectifier convenient to welding, including the rectifier chip and mould the capsule, mould the capsule set up in the rectifier chip outside, mould capsule bottom transverse arrangement and have four group's pins, just the pin top with rectifier chip bottom meets, the plastic envelope shell openly is provided with auxiliary assembly, auxiliary assembly includes the locating plate, the locating plate back is provided with the storage tank that link up from top to bottom. Has the advantages that: the utility model discloses set up location auxiliary assembly on the package is moulded to the rectifier, through auxiliary assembly with the whole location of rectifier structure in a word test pencil probe tip, the operating personnel of being convenient for grip the test pencil and carry out position removal and fixed-position welding in order to drive the rectifier, improve the manual danger and the welding quality low problem that grip the rectifier of current welding process, and can take off used repeatedly from the plastic envelope shell with auxiliary assembly, reduce equipment cost, the practicality is strong.

Description

Bridge rectifier convenient to welding

Technical Field

The utility model relates to a rectifier equipment field, concretely relates to bridge rectifier convenient to welding.

Background

The bridge rectifier is also called as rectifier bridge, and is a circuit component formed by four rectifier silicon chips which are connected in a bridge mode and are externally packaged by insulating plastics or metal.

The applicant finds that at least the following technical problems exist in the prior art: because bridge rectifier stitch needs welded fastening on the circuit board, grip the rectifier for operating personnel is manual at rectifier welding operation in-process mostly at present and carry out welding position, and operation process has higher danger, and the hand is close to the welding position and shelters from the welding field of vision, causes the welding degree of difficulty to strengthen, causes rosin joint, desoldering scheduling problem easily, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bridge rectifier convenient to welding just for solving above-mentioned problem, improve the manual danger and the low problem of welding quality that grip the rectifier of current welding process, and can take off used repeatedly with auxiliary assembly from the plastic envelope shell, reduce equipment cost, the practicality is strong, sees the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a bridge rectifier convenient to weld, including rectifier chip and plastic package shell, the plastic package shell sets up in the rectifier chip outside, four groups of pins are arranged transversely to the plastic package shell bottom, and the pin top with rectifier chip bottom meets, the plastic package shell openly is provided with auxiliary assembly;

the auxiliary assembly comprises a positioning plate, a containing groove which is communicated up and down is formed in the back of the positioning plate, a magnetic block is arranged on the front face of the inside of the containing groove, and protective layers are arranged on the back face of the magnetic block and on the two sides of the inside of the containing groove.

When the bridge rectifier convenient to weld is adopted, the stop block is pushed towards the direction close to the positioning plate when the rectifier is required to be welded, the stay bar and the positioning plate are pushed through the stop block, the spring is simultaneously extruded to be compressed, the positioning plate is separated from the plastic package shell, then the end part of a straight test pencil probe extends into the accommodating groove, the straight test pencil probe is magnetically attracted and positioned through the magnetic block, then the positioning plate is loosened, the positioning plate is jacked through the spring to press the position of the straight test pencil probe, so that the plastic package shell is fixed on the straight test pencil structure through the auxiliary assembly, and an operator holds the straight test pencil to drive the rectifier structure to perform positioning operation in the welding process; after the rectifier is welded, the positioning plate is pulled backwards to separate the positioning plate from the plastic package shell, then the auxiliary assembly is taken out integrally along the guide groove, and then the auxiliary assembly is clamped into the outer side of the plastic package shell of another group of rectifiers along the guide groove, so that the auxiliary assembly is reused.

Preferably, guide grooves with openings in the tops are formed in the two sides of the plastic package shell, and four groups of protective sleeves are uniformly arranged at the bottom of the plastic package shell corresponding to the pins.

Preferably, a welding head is arranged at the top end of the pin, the welding head penetrates through the protective sleeve and is fixed with the rectifying chip in a welding mode, and the bottom end of the pin is of a round-head-shaped structure.

Preferably, two groups of support rods are symmetrically arranged on the back of the positioning plate, the support rods longitudinally penetrate into the guide grooves, and the support rods are in clearance fit with the guide grooves.

Preferably, one end of the back of the support rod extends to the back of the guide groove, a stop block is fixed at one end of the back of the support rod, and a spring is sleeved on the support rod on the front side of the stop block.

Preferably, an adjusting plate is connected between the two support rods in front of the spring, two ends of the adjusting plate are in clearance fit with the two support rods respectively, and the middle of the adjusting plate is bent backwards to form an arc-shaped handle.

Has the advantages that: the utility model discloses set up location auxiliary assembly on the package is moulded to the rectifier, through auxiliary assembly with the whole location of rectifier structure in a word test pencil probe tip, the operating personnel of being convenient for grip the test pencil and carry out position removal and fixed-position welding in order to drive the rectifier, improve the manual danger and the welding quality low problem that grip the rectifier of current welding process, and can take off used repeatedly from the plastic envelope shell with auxiliary assembly, reduce equipment cost, the practicality is strong.

Drawings

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

FIG. 1 is a front view structural diagram of the present invention;

FIG. 2 is a top view of the structure of the present invention;

fig. 3 is a front view structural view of the plastic capsule of the present invention.

The reference numerals are explained below:

1. a rectifying chip; 2. a plastic capsule; 201. a guide groove; 202. a protective sleeve; 3. a pin; 301. welding a head; 4. an auxiliary component; 401. positioning a plate; 402. a containing groove; 402a, a protective layer; 403. a magnetic block; 404. a stay bar; 404a, a spring; 405. an adjustment plate; 405a, a handle; 406. and a stop block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a bridge rectifier convenient to welding, including rectifier chip 1 and plastic envelope shell 2, plastic envelope shell 2 sets up in the rectifier chip 1 outside, and plastic envelope shell 2 is used for protecting rectifier chip 1, and plastic envelope 2 bottom transverse arrangement has four group's pins 3, and meets bottom rectifier chip 1 on pin 3 top, and plastic envelope shell 2 openly is provided with auxiliary assembly 4.

Auxiliary assembly 4 includes locating plate 401, locating plate 401 back is provided with a storage tank 402 that link up from top to bottom, the inside front of storage tank 402 is provided with magnetic path 403, both sides all are provided with inoxidizing coating 402a in the magnetic path 403 back and the storage tank 402, inoxidizing coating 402a is the rubber material, protect the horizontal pencil probe end of getting into in

storage tank

402, 2 both sides of plastic envelope shell all are provided with open-top's

guide way

201, and 2 bottoms of plastic envelope shell correspond pin 3 and evenly be provided with four groups of lag 202, pin 3 top is provided with soldered connection 301, soldered connection 301 runs through lag 202 and passes through welded fastening with rectifier chip 1, 3 bottoms of pin are the round head structure, so that insert the mounted position on the circuit board with pin 3.

As an alternative embodiment, two sets of support rods 404 are symmetrically arranged at the back of the positioning plate 401, the support rods 404 longitudinally penetrate into the guide slots 201, and the stay bar 404 is in clearance fit with the guide groove 201, one end of the back of the stay bar 404 extends to the back of the guide groove 201, a stop block 406 is fixed at one end of the back of the stay bar 404, a spring 404a is sleeved on the stay bar 404 at the front of the stop block 406, an adjusting plate 405 is connected between the two stay bars 404 in front of the spring 404a, the adjusting plate 405 is pressed by the spring 404a to be tightly pressed against the plastic package 2, so that the positioning plate 401 is locked by the spring 404a matching with the support rods 404, two ends of the adjusting plate 405 are respectively in clearance fit with the two support rods 404, the middle part of the adjusting plate 405 is bent backwards to form an arc-shaped handle 405a, the arc-shaped handle 405a is used for pulling the positioning plate 401 to move integrally, so that the auxiliary assembly 4 can be taken out of the guide groove 201 integrally, and the auxiliary assembly 4 can be reused.

By adopting the structure, when the rectifier is required to be welded, the stop block 406 is pushed towards the direction close to the positioning plate 401, the support rod 404 and the positioning plate 401 are pushed through the stop block 406, the spring 404a is simultaneously extruded to be compressed, the positioning plate 401 is separated from the plastic package shell 2, then the end part of the straight test pencil probe extends into the accommodating groove 402, the straight test pencil probe is magnetically attracted and positioned through the magnetic block 403, then the positioning plate 401 is released, the positioning plate 401 is jacked through the spring 404a to press the straight test pencil probe tightly, so that the plastic package shell 2 is fixed on the straight test pencil structure through the auxiliary assembly 4, and an operator holds the straight test pencil to drive the rectifier structure to perform positioning operation in the welding process; after the rectifier is welded, the positioning plate 401 is pulled backwards to separate the positioning plate 401 from the plastic package shell 2, then the auxiliary assembly 4 is taken out integrally along the guide groove 201, and then the auxiliary assembly 4 is clamped into the outer side of the plastic package shell 2 of another group of rectifiers along the guide groove 201, so that the auxiliary assembly 4 is reused;

set up location auxiliary assembly 4 on rectifier plastic envelope 2, wholly be located a word test pencil probe tip through auxiliary assembly 4 with the rectifier structure, the operating personnel of being convenient for grip the test pencil and carry out position removal and tack weld in order to drive the rectifier, improve the manual danger and the low problem of welding quality that grip the rectifier of current welding process, and can take off used repeatedly with auxiliary assembly 4 from plastic envelope 2, reduce equipment cost, the practicality is strong.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A bridge rectifier convenient to welding which characterized in that: the rectifier comprises a rectifier chip (1) and a plastic package shell (2), wherein the plastic package shell (2) is arranged on the outer side of the rectifier chip (1), four groups of pins (3) are transversely arranged at the bottom of the plastic package shell (2), the top ends of the pins (3) are connected with the bottom of the rectifier chip (1), and an auxiliary component (4) is arranged on the front surface of the plastic package shell (2);

the auxiliary assembly (4) comprises a positioning plate (401), a containing groove (402) which is through up and down is formed in the back of the positioning plate (401), magnetic blocks (403) are arranged on the front face inside the containing groove (402), and protective layers (402a) are arranged on the back face of each magnetic block (403) and on the inner two sides of the containing groove (402).

2. A bridge rectifier for facilitating welding as set forth in claim 1, wherein: mould encapsulation piece (2) both sides and all be provided with open-top's guide way (201), just mould encapsulation piece (2) bottom and correspond pin (3) evenly are provided with four groups of lag (202).

3. A bridge rectifier for facilitating welding as set forth in claim 2, wherein: the top end of the pin (3) is provided with a welding head (301), the welding head (301) penetrates through the protective sleeve (202) and is fixed with the rectifying chip (1) through welding, and the bottom end of the pin (3) is of a round head structure.

4. A bridge rectifier for facilitating welding as set forth in claim 3, wherein: two groups of support rods (404) are symmetrically arranged on the back of the positioning plate (401), the support rods (404) longitudinally penetrate into the guide grooves (201), and the support rods (404) are in clearance fit with the guide grooves (201).

5. A bridge rectifier according to claim 4, wherein said solder-facilitating bridge rectifier further comprises: one end of the back of the support rod (404) extends to the back of the guide groove (201), a stop block (406) is fixed to one end of the back of the support rod (404), and a spring (404a) is sleeved on the support rod (404) on the front face of the stop block (406).

6. A bridge rectifier according to claim 5, wherein said solder-facilitating bridge rectifier further comprises: two in spring (404a) the place ahead be connected with adjusting plate (405) between vaulting pole (404), adjusting plate (405) both ends respectively with two vaulting pole (404) clearance fit, just adjusting plate (405) middle part backward bend forms an arc handle (405 a).