CN212848384U

CN212848384U - Pin frame of bridge rectifier

Info

Publication number: CN212848384U
Application number: CN202021286217.0U
Authority: CN
Inventors: 李江波; 曾继文; 唐兴
Original assignee: Shenzhen Enatel Electronics Co ltd
Current assignee: Shenzhen Enatel Electronics Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-03-30
Anticipated expiration: 2030-07-03

Abstract

The utility model discloses a bridge rectifier's pin frame, including the frame, the inside of frame is provided with interior pin, and the last fixed surface of interior pin is connected with the pin, and the pipe box has been cup jointed on the surface of pin, and the fixed surface of frame is connected with the fixture block. This bridge rectifier's pin frame, through the frame, the inner leg pipe, the setting of pin and pipe box isotructure, cup joint the pipe box in the surface of pin, the possibility that plastic envelope in-process pin frame and rectifier diode chip dragged has not only been reduced, simultaneously can carry out effectual protection to the pin again, in the production process has been reduced, the cracked possibility of pin bending, staff's production efficiency has been improved, the defective percentage has been reduced, through the protecting crust, the fixture block, the radiator piece, the dust guard, draw-in groove and spring buckle isotructure's setting, not only can carry out effectual protection to the frame, the possibility that the frame suffered the extrusion and unexpected damage has been reduced, simultaneously can effectually carry out ventilation cooling to the device again.

Description

Pin frame of bridge rectifier

Technical Field

The utility model relates to a bridge rectifier technical field specifically is a pin frame of bridge rectifier.

Background

The rectifier is mainly applied to converting an alternating current power supply into a direct current power supply, all electronic equipment needs to use direct current, and power supply of a power company is alternating current, so that except batteries, the rectifiers are arranged in power supplies of all electronic equipment, and the bridge rectifier is formed by connecting four rectifier silicon chips in a bridge mode and packaging the rectifier silicon chips with insulating plastic.

Because the stress of the copper lead frame is large, in the sintering plastic package production process of the bridge rectifier, the lead frame and the rectifier diode chip are easy to pull and cause the bending of the lead, and the common device has poor protection function and is easy to damage the lead frame.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a pin frame of bridge rectifier has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the pin frame of the bridge rectifier comprises a frame, wherein an inner pin is arranged inside the frame, the upper surface of the inner pin is fixedly connected with the pin, a pipe sleeve is sleeved on the surface of the pin, a clamping block is fixedly connected with the surface of the frame, the frame is connected with a protective shell through the clamping block in a clamping manner, a clamping groove matched with the clamping block is formed in the inner side wall of the protective shell, a spring buckle is arranged on the inner side wall of the clamping groove, a dust guard plate is fixedly connected to the lower surface of the protective shell through a groove, and cooling fins are arranged on the lower surface of the frame.

Optionally, the number of the pipe sleeves is four, and the four pipe sleeves are connected with each other through a support rod.

Optionally, the spring buckle includes the slider, the middle part fixedly connected with slide bar of slider, the one end fixedly connected with spring of slide bar, the other end fixedly connected with arc fixture block of slide bar.

Optionally, the number of the spring buckles is a plurality of, and a clamping groove matched with the arc-shaped clamping block is formed in one side of the clamping block.

Optionally, a dust screen is arranged inside the dust guard.

(III) advantageous effects

The utility model provides a bridge rectifier's pin frame possesses following beneficial effect:

1. this bridge rectifier's pin frame through the setting of structures such as frame, inner leg pipe, pin and pipe box, cup joints the pipe box in the surface of pin, has not only reduced the possibility that plastic envelope in-process pin frame and rectifier diode chip dragged, can carry out effectual protection to the pin again simultaneously, has reduced in the production process, and the cracked possibility of pin bending has improved staff's production efficiency, has reduced the defective percentage.

2. This bridge rectifier's pin frame through the setting of protecting crust, fixture block, radiator fin, dust guard, draw-in groove and spring buckle isotructure, not only can carry out effectual protection to the frame, has reduced the frame and has suffered the extrusion and the unexpected possibility of destroying, can effectually ventilate the heat dissipation to the device again simultaneously, has improved the device's life.

Drawings

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

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

FIG. 3 is a schematic view of the sectional structure inside the protective shell of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a frame; 2. an inner pipe pin; 3. a pin; 4. pipe sleeve; 5. a clamping block; 6. a protective shell; 7. A card slot; 8. a spring buckle; 801. a slider; 802. a slide bar; 803. a spring; 804. an arc-shaped fixture block; 9. a dust-proof plate; 10. and a heat sink.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a pin frame of a bridge rectifier comprises a frame 1, an inner pin 2 is arranged inside the frame 1, a pin 3 is fixedly connected to the upper surface of the inner pin 2, a sleeve 4 is sleeved on the surface of the pin 3, the number of the sleeves 4 is four, the four sleeves 4 are all connected with each other through a support rod, a fixture block 5 is fixedly connected to the surface of the frame 1, the frame 1 is clamped with a protective shell 6 through the fixture block 5, a clamping groove 7 matched with the fixture block 5 is formed in the inner side wall of the protective shell 6, a spring buckle 8 is arranged on the inner side wall of the clamping groove 7, the spring buckle 8 comprises a sliding block 801, a sliding rod 802 is fixedly connected to the middle of the sliding block 801, a spring 803 is fixedly connected to one end of the sliding rod 802, an arc-shaped fixture block 804 is fixedly connected to the other end of the sliding rod 802, the spring buckle, the other end of the sliding rod 802 is fixedly connected with an arc-shaped clamping block 804, the lower surface of the protective shell 6 is fixedly connected with a dustproof plate 9 through a groove, a dustproof net is arranged inside the dustproof plate 9, and the lower surface of the frame 1 is provided with cooling fins 10.

The detailed description of the known functions and the known components is omitted in the embodiment of the disclosure, and in order to ensure the compatibility of the equipment, the adopted operation means are consistent with the parameters of the instruments on the market.

In summary, the lead frame of the bridge rectifier has the following operation steps;

during the use, the user takes out pipe box 4 on the frame 1 behind the plastic envelope, is fixed in the lower surface of frame 1 with fin 10, then with protective housing 6 joint in the surface of frame 1, through the arc fixture block 804 joint on spring buckle 8 in the draw-in groove of seting up on fixture block 5, can carry out effectual joint to protective housing 6 fixedly to the device's assembly has been accomplished.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A lead frame of a bridge rectifier comprises a frame (1) and is characterized in that: the novel LED lamp is characterized in that an inner pin (2) is arranged inside the frame (1), the upper surface of the inner pin (2) is fixedly connected with pins (3), pipe sleeves (4) are sleeved on the surfaces of the pins (3), a clamping block (5) is fixedly connected with the surface of the frame (1), the frame (1) is connected with a protective shell (6) in a clamping mode through the clamping block (5), a clamping groove (7) matched with the clamping block (5) is formed in the inner side wall of the protective shell (6), a spring buckle (8) is arranged on the inner side wall of the clamping groove (7), a dustproof plate (9) is fixedly connected to the lower surface of the protective shell (6) through a groove, and radiating fins (10) are arranged on the lower surface of.

2. A bridge rectifier lead frame as claimed in claim 1, wherein: the number of the pipe sleeves (4) is four, and the four pipe sleeves (4) are connected with each other through supporting rods.

3. A bridge rectifier lead frame as claimed in claim 1, wherein: the spring buckle (8) comprises a sliding block (801), a sliding rod (802) is fixedly connected to the middle of the sliding block (801), a spring (803) is fixedly connected to one end of the sliding rod (802), and an arc-shaped clamping block (804) is fixedly connected to the other end of the sliding rod (802).

4. A bridge rectifier lead frame as claimed in claim 1, wherein: the number of the spring buckles (8) is a plurality of, and one side of the clamping block (5) is provided with a clamping groove matched with the arc-shaped clamping block (804).

5. A bridge rectifier lead frame as claimed in claim 1, wherein: and a dustproof net is arranged in the dustproof plate (9).