CN216054654U

CN216054654U - Power transistor with high-airtightness packaging

Info

Publication number: CN216054654U
Application number: CN202120754216.2U
Authority: CN
Inventors: 李建田; 陈宏仕
Original assignee: Huizhou Limai Electronics Co ltd
Current assignee: Huizhou Limai Electronics Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2022-03-15
Anticipated expiration: 2031-04-14

Abstract

The utility model discloses a power transistor with high-air-tightness package, which comprises a tube head and pins, wherein the bottom of the tube head is provided with a plurality of pins, the outer side of the tube head is symmetrically provided with sealing covers, the two sealing covers cover the outer side of the tube head, the bottoms of the sealing covers are contacted with the pins by arranging through grooves with the same size as the pins, wedge blocks are arranged between the pins in the through grooves and are mutually in extrusion contact, the bottoms of the sealing covers are provided with fixing mechanisms for connecting the sealing covers and the wedge blocks, a fixture block can pass through the groove in the continuous pressing process of the device, so that the groove can not perform extrusion contact on the fixture block any more, then the fixture block can elastically recover and be in lock joint with a fixing plate in hurry to ensure the sealing of the tube head by the sealing covers which are detachable, when the transistor in the inside is damaged, can dismantle the sealed cowling, carry out reuse, resources are saved.

Description

Power transistor with high-airtightness packaging

Technical Field

The utility model relates to the technical field of transistors, in particular to a power transistor with high-airtightness packaging.

Background

The power transistor is a novel radio frequency power device which is gradually developed along with the improvement of the performance requirements of a mobile communication system on a base station power amplifier and a mobile phone power amplifier in recent years, has the characteristics of high working performance, small parasitic capacitance, easiness in integration and the like, and is particularly suitable for being used as a power device in an integrated circuit.

At present, when a power transistor is sealed, the power transistor is integrally arranged, and the transistor is easy to damage, so that waste of a sealing device is easy to cause while integral packaging is carried out, and therefore, a power transistor with high-airtightness packaging is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a power transistor with high-air-tightness package, which is convenient to disassemble so as to repeatedly use a sealing cover, thereby avoiding resource waste, and solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a power transistor with high gas tightness encapsulation, includes tube head and pin, the tube head bottom is provided with a plurality of pins, tube head outside symmetry is provided with the sealed cowling, two the sealed cowling covers the outside of tube head, and the bottom of sealed cowling contacts through offering logical groove and pin the same with the pin size, it has placed the wedge to lead to inslot portion to be located between the pin, and extrudees the contact each other between each wedge, the sealed cowling bottom is provided with the fixed establishment who is used for connecting sealed cowling and wedge.

Preferably, the pin includes first pin, second pin and third pin, tube head bottom equidistance has set gradually first pin, second pin and third pin, be provided with the wedge between first pin and third pin and the sealed cowling, also be provided with the wedge between second pin and first pin and the third pin, two between close the mutual extrusion contact of wedge, and two wedges extrusion contact are in the outside of pin.

Preferably, the fixing mechanism comprises a fixing plate, a groove and a fixture block, the fixing plate is fixedly mounted on a wedge block arranged between the second pin and the first pin as well as the third pin, the groove is symmetrically formed in the fixing plate, the fixture block is symmetrically and rotatably connected to the bottom of the sealing cover under the fixing plate, and the fixture block is movably clamped with the fixing plate through the groove.

Preferably, the fixing plate is rotatably connected with the fixture block through a torsion spring, and the fixture block is in a vertical state in an initial state.

Preferably, the fixture block and the fixed plate are movably clamped through a groove, the bottom of the fixture block is arranged in a right-angled triangular shape, and the fixture block is in extrusion contact with one side of the fixed plate through the triangular shape at the bottom.

Compared with the prior art, the utility model has the beneficial effects that:

when the sealing cover and the tube head are disassembled, the sealing cover is separated from the tube head by disassembling the fixing mechanism at the bottom of the sealing cover, when the separation is performed, the clamping block rotationally connected with the bottom of the sealing cover is rotated to enable the clamping block to be separated from the fixed plate in an extrusion manner, at the moment, the clamping block is in an inclined direction, the fixed plate is pulled upwards to enable the fixed plate to drive the wedge block at the bottom of the fixed plate to move upwards, so that the wedge blocks positioned among the first pin, the second pin and the third pin are separated from the inside of the through groove, at the moment, the wedge blocks placed between the second pin and the sealing cover in an extrusion manner can be easily taken out when the wedge blocks at the other side are not extruded, at the moment, the wedge blocks at the bottom of the sealing cover and the fixing mechanism are not arranged, at the moment, the sealing cover and the tube head are separated from sealing, so that good transistor replacement is facilitated, the outer side of the transistor tube head is surrounded by a sealing cover, the bottom of the sealing cover protects the pins, the wedge blocks arranged between the second pin and the sealing cover in a squeezing mode are arranged between the third pin and the sealing cover, one end of the wedge block is in squeezing contact with the sealing cover, the other end of the wedge block is in squeezing contact with the pins, then the wedge blocks between the first pin and the second pin are vertically and horizontally arranged, so that the wedge blocks enter the through groove, at the moment, the triangular shape at the bottom of the fixture block is in squeezing contact with the groove formed in the fixing plate in the downward pressing process, so that the fixture block is turned over, after the fixture block is turned over, the fixture block passes through the groove in the continuous pressing process, so that the groove does not extrude the fixture block any more, then the fixture block can elastically recover, the fixture block can be locked to the fixing plate in a hurry, and the sealing cover can seal the tube head, through the sealing of detachable sealed cowling to the tube head to guarantee, when the transistor of inside is damaging, can dismantle the sealed cowling, thereby carry out reuse, thereby resources are saved.

Drawings

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

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

FIG. 3 is a bottom view of the sealing cap of the present invention;

FIG. 4 is a schematic view showing the installation structure of the wedge according to the present invention.

In the figure: 1. a pipe head; 2. a sealing cover; 3. a through groove; 4. a wedge block; 5. a first pin; 6. A second pin; 7. a third pin; 8. a fixing plate; 9. a groove; 10. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the power transistor with high-airtightness package shown in the figures comprises a tube head 1 and pins, wherein a plurality of pins are arranged at the bottom of the tube head 1, sealing covers 2 are symmetrically arranged on the outer side of the tube head 1, the two sealing covers 2 cover the outer side of the tube head 1, the bottom of each sealing cover 2 is in contact with the pins by arranging through grooves 3 with the same size as the pins, wedges 4 are placed between the pins in the through grooves 3, the wedges 4 are in mutual pressing contact with each other, and a fixing mechanism for connecting the sealing covers 2 and the wedges 4 is arranged at the bottom of each sealing cover 2.

The pin includes first pin 5, second pin 6 and third pin 7, 1 bottom equidistance of tube head has set gradually first pin 5, second pin 6 and third pin 7, be provided with wedge 4 between first pin 5 and third pin 7 and the sealed cowling 2, also be provided with wedge 4 between second pin 6 and first pin 5 and the third pin 7, two between close wedge 4 extrusion contact each other, and two wedges 4 extrusion contact are in the outside of pin.

The fixing mechanism comprises a fixing plate 8, a groove 9 and a fixture block 10, the fixing plate 8 is fixedly mounted on a wedge block 4 arranged between the second pin 6 and the first pin 5 and the third pin 7, the groove 9 is symmetrically formed in the fixing plate 8, the fixture block 10 is symmetrically and rotatably connected to the bottom of the sealing cover 2 under the fixing plate 8, and the fixture block 10 is movably connected with the fixing plate 8 through the groove 9 in a clamping mode.

The fixing plate 8 is rotatably connected to the latch 10 by a torsion spring, and the latch 10 is in a vertical state at an initial state, so that the latch 10 has an elastic space.

Fixture block 10 and fixed plate 8 pass through recess 9 activity joint, the bottom of fixture block 10 is the setting of right angle triangle shape, and fixture block 10 is through the triangle shape of bottom and 8 one side extrusion contact of fixed plate, for the convenience of joint.

In the scheme, when the sealing cover 2 and the tube head 1 need to be disassembled, the sealing cover 2 and the tube head 1 are separated by disassembling the fixing mechanism at the bottom of the sealing cover 2, when the separation is performed, the clamping block 10 rotationally connected with the bottom of the sealing cover 2 is rotated to separate the clamping block 10 from the fixing plate 8 in an extrusion manner, at the moment, the clamping block 10 is in an inclined direction, the fixing plate 8 is pulled upwards to drive the wedge block 4 at the bottom of the fixing plate 8 to move upwards, so that the wedge block 4 positioned between the first pin 5, the second pin 6 and the third pin 7 is separated from the inside of the through groove 3, at the moment, the wedge block 4 placed between the second pin 6 and the sealing cover 2 in an extrusion manner can be easily taken out when the wedge block 4 at the other side is not extruded, at the moment, the wedge block 4 and the fixing mechanism are not arranged at the bottom of the sealing cover 2, at the moment, the sealing cover 2 and the tube head 1 are separated from each other, therefore, a good transistor can be conveniently replaced, after the transistor is replaced, the outer side of the transistor tube head 1 is surrounded by the sealing cover 2, at the moment, the bottom of the sealing cover 2 also protects the pins, at the moment, the wedge blocks 4 arranged between the second pin 6 and the third pin 7 and the sealing cover 2 in a squeezing mode enable one ends of the wedge blocks 4 to be in squeezing contact with the sealing cover 2, the other ends of the wedge blocks 4 to be in squeezing contact with the pins, then the wedge blocks 4 between the first pin 5 and the second pin 6 and the third pin 7 are arranged horizontally in a vertical mode, so that the wedge blocks 4 enter the through groove 3, at the moment, as the triangular shape at the bottom of the clamping block 10 is in squeezing contact with the groove 9 formed in the fixing plate 8 in the downward pressing process, the clamping block 10 is turned over, and in the continuous pressing process after the turning, the clamping block 10 passes through the groove 9, thereby make recess 9 no longer carry out extrusion contact to fixture block 10, then, fixture block 10 can elastic recovery, hastily make fixture block 10 carry out the joint to fixed plate 8 to guarantee sealed cowling 2 to the sealed of tube head 1, through detachable sealed cowling 2 to the sealed of tube head 1, thereby guarantee, when the transistor in inside is damaging, can dismantle the sealed cowling, thereby carry out reuse, thereby resources are saved. It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a power transistor with high gas tightness encapsulation, includes tube head (1) and pin, tube head (1) bottom is provided with a plurality of pins, its characterized in that: tube head (1) outside symmetry is provided with sealed cowling (2), two sealed cowling (2) cover the outside of tube head (1), and the bottom of sealed cowling (2) through set up with the same logical groove (3) of pin size and pin contact, logical groove (3) inside is located and has placed wedge (4) between the pin, and extrudees the contact each other between each wedge (4), sealed cowling (2) bottom is provided with the fixed establishment who is used for connecting sealed cowling (2) and wedge (4).

2. A power transistor with a high hermetic package according to claim 1, characterized in that: the pin includes first pin (5), second pin (6) and third pin (7), tube head (1) bottom equidistance has set gradually first pin (5), second pin (6) and third pin (7), be provided with wedge (4) between first pin (5) and third pin (7) and sealed cowling (2), also be provided with wedge (4) between second pin (6) and first pin (5) and third pin (7), two between close wedge (4) extrusion contact each other, and two wedge (4) extrusion contact are in the outside of pin.

3. A power transistor with a high hermetic package according to claim 2, characterized in that: fixed establishment includes fixed plate (8), recess (9) and fixture block (10), fixed mounting has fixed plate (8) on wedge (4) that set up between second pin (6) and first pin (5) and third pin (7), and the symmetry is seted up recess (9) on fixed plate (8), sealed cowling (2) bottom is located under fixed plate (8) symmetry rotation and is connected with fixture block (10), and fixture block (10) pass through recess (9) and fixed plate (8) activity joint.

4. A power transistor with a high hermetic package according to claim 3, characterized in that: the fixing plate (8) is rotatably connected with the clamping block (10) through a torsion spring, and the clamping block (10) is in a vertical state in an initial state.

5. The power transistor with high hermetic package according to claim 4, characterized in that: the clamping block (10) is movably clamped with the fixing plate (8) through the groove (9), the bottom of the clamping block (10) is arranged in a right-angled triangular shape, and the clamping block (10) is in extrusion contact with one side of the fixing plate (8) through the triangular shape of the bottom.