CN214625017U

CN214625017U - Switch transistor for PC power supply

Info

Publication number: CN214625017U
Application number: CN202120971488.8U
Authority: CN
Inventors: 周雨恒
Original assignee: Shenzhen Limai Electronic Co ltd
Current assignee: Shenzhen Limai Electronic Co ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-11-05
Anticipated expiration: 2031-05-08

Abstract

The utility model discloses a switch transistor for PC power relates to the transistor field, can't dismantle to the casing of the switch transistor of current partial PC power, has the inside tube core of transistor to overhaul the problem of difficulty, the following scheme of now proposing, and it includes first casing and second casing, first mounting hole has been seted up to first casing upper surface, second casing side is provided with collecting electrode, projecting pole, base, one side that is provided with the collecting electrode is kept away from to the second casing is provided with the installation piece, the inside bottom plate that is provided with of installation piece, the second mounting hole has been seted up to the bottom plate upper surface, the mounting groove has been seted up on the bottom plate surface, second casing inboard is provided with the fixed block, the fixed block upper surface is provided with the fixed column. The utility model discloses novel structure, and can dismantle the casing, make things convenient for the inside tube core of triode transistor to overhaul, make the installation of device more convenient simultaneously.

Description

Switch transistor for PC power supply

Technical Field

The utility model relates to a transistor field especially relates to a switch transistor for PC power.

Background

The transistor body is a solid semiconductor device, has multiple functions such as wave picking, rectification, amplification, switching, steady voltage, signal modulation, the transistor is as a variable current switch, can be based on input voltage control output current, the transistor utilizes the electric signal to control self opening and shutting, switching speed is very fast, wide application is on the switch of PC power, but the casing of the switch transistor of current partial PC power can't be dismantled, there is the problem that the inside tube core of transistor overhauls the difficulty, for solving these problems, we have proposed a switch transistor who is used for the PC power.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of switch transistor for PC power, the casing of the switch transistor of having solved current partial PC power can't be dismantled, has the inside tube core of transistor to overhaul the problem of difficulty.

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

the utility model provides a switch transistor for PC power, includes first casing and second casing, first mounting hole has been seted up to first casing upper surface, second casing side is provided with collecting electrode, projecting pole, base, one side that is provided with the collecting electrode is kept away from to the second casing is provided with the installation piece, the inside bottom plate that is provided with of installation piece, the second mounting hole has been seted up to the bottom plate upper surface, the mounting groove has been seted up on the bottom plate surface, second casing inboard is provided with the fixed block, the fixed block upper surface is provided with the fixed column, first casing bottom is provided with the stopper, the spacing groove has been seted up at second casing top, the stopper matches with the spacing groove, first casing side is seted up flutedly, the inside fixed screw that is provided with of first mounting hole.

Preferably, the collector, the emitter and the base are located on the same side of the second housing, and the base is located between the collector and the emitter.

Preferably, the two fixing blocks are arranged on the inner side of the second shell, a fixing column is arranged on the upper surface of each fixing block, and the positions of the fixing columns correspond to the first mounting holes.

Preferably, a plurality of first mounting holes are formed in the upper surface of the first shell, the number of the first mounting holes is equal to that of the fixing columns, a fixing screw is arranged in each first mounting hole, and the fixing screws are in threaded connection with the fixing columns.

Preferably, the first shell and the second shell are both in U-shaped arrangement, and the limiting blocks and the limiting grooves are symmetrically distributed along the transverse center line of the second shell.

Preferably, both sides of the first shell are provided with grooves, and the grooves are embedded in the surface of the first shell.

The utility model has the advantages that:

1. through setting up the spacing groove that sets up at the stopper of first casing lower surface and second casing upper surface matches each other, threaded connection between the fixed column that the fixed block upper surface set up and the inside fixed screw that sets up of first mounting hole simultaneously makes first casing and second casing be connected, conveniently overhauls the tube core.

2. The second mounting hole formed in the surface of the bottom plate enables the connection between the device and the circuit board to be tighter, and avoids the deviation of the position of the device and the influence on the use effect.

In conclusion, the device not only can be used for disassembling the shell, so that the tube core in the transistor can be conveniently overhauled, but also the device can be more conveniently installed, and the problems that the shell of the existing switch transistor of a part of PC power supplies can not be disassembled and the tube core in the transistor is difficult to overhaul are solved.

Drawings

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

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a side view of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 2 according to the present invention.

Reference numbers in the figures: 1. a first housing; 2. a collector electrode; 3. an emitter; 4. a base electrode; 5. a first mounting hole; 6. mounting blocks; 7. a base plate; 8. mounting grooves; 9. a second housing; 10. a second mounting hole; 11. a groove; 12. a limiting groove; 13. a limiting block; 14. fixing a column; 15. a fixed block; 16. and fixing the screw.

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. 1-4, the utility model provides the following technical scheme:

a switching transistor for PC power supply comprises a first case 1 and a second case 9, the upper surface of the first shell 1 is provided with a first mounting hole 5, the side surface of the second shell 9 is provided with a collector 2, an emitter 3 and a base 4, the second shell 9 is provided with a mounting block 6 at one side far away from the collector 2, a bottom plate 7 is arranged inside the mounting block 6, the upper surface of the bottom plate 7 is provided with a second mounting hole 10, the surface of the bottom plate 7 is provided with a mounting groove 8, a fixed block 15 is arranged on the inner side of the second shell 1, a fixed column 14 is arranged on the upper surface of the fixed block 15, the bottom of the first shell 9 is provided with a limiting block 13, the top of the second shell 9 is provided with a limiting groove 12, the limiting block 13 is matched with the limiting groove 12, a groove 11 is formed in the side face of the first shell 1, and a fixing screw 16 is arranged inside the first mounting hole 5.

In this embodiment, the collector 2, the emitter 3, and the base 4 are located on the same side of the second housing 9, the base 4 is located between the collector 2 and the emitter 3, two fixing blocks 15 are disposed on the inner side of the second housing 9, a fixing post 14 is disposed on the upper surface of each fixing block 15, the position of each fixing post 14 corresponds to the first mounting hole 5, and the fixing posts 14 disposed on the upper surface of the fixing blocks 15 are in threaded connection with fixing screws 16 disposed inside the first mounting holes 5, so that the first housing 1 is connected to the second housing 9, and the die is convenient to overhaul.

Further, a plurality of first mounting holes 5 have been seted up to first casing 1 upper surface, the quantity of first mounting hole 5 is the same with fixed column 14's quantity, every the inside fixed screw 16 that all is provided with of first mounting hole 5, fixed screw 16 and fixed column 14 threaded connection make the connection between first casing 1 and the second casing 9 inseparabler through being connected between fixed column 14 and the fixed screw 16, are difficult for breaking away from, influence the normal use of device, increase the practicality of device.

In addition, first casing 1 and second casing 9 are the U type setting, just stopper 13 and spacing groove 12 all distribute for symmetry axis symmetry along the horizontal central line of second casing 9, recess 11 has all been seted up to first casing 1 both sides, recess 11 embedded is on first casing 1 surface, and spacing groove 12 through setting up and set up at the stopper 13 of first casing 1 lower surface and the upper surface of second casing 9 matches each other, has further increased the tight degree of connection between first casing 1 and the second casing 9, is difficult for taking place skew.

The utility model discloses when using, take out the device earlier, dock first casing 1 and second casing 9, make the fixed column 14 of fixed block 15 upper surface correspond with first mounting hole 5, and the spacing groove 12 accordant connection of seting up stopper 13 and second casing 9 upper surface that first casing 1 lower surface set up, then put into first mounting hole 5 with fixed screw 16 inside, carry out threaded connection with fixed column 14, after finishing connecting, be connected the inside bottom plate 7 of installation piece 6 with the circuit board, and fix through second mounting hole 10, then with collecting electrode 2, projecting pole 3, base 4 in proper order with corresponding circuit connection, when needs overhaul, reverse operation above-mentioned step, and through recess 11 of first casing 1 side with first casing 1 and second casing 9 separation can.

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 switch transistor for a PC power supply comprises a first shell (1) and a second shell (9), and is characterized in that a first mounting hole (5) is formed in the upper surface of the first shell (1), a collector (2), an emitter (3) and a base (4) are arranged on the side surface of the second shell (9), a mounting block (6) is arranged on one side, away from the collector (2), of the second shell (9), a bottom plate (7) is arranged inside the mounting block (6), a second mounting hole (10) is formed in the upper surface of the bottom plate (7), a mounting groove (8) is formed in the surface of the bottom plate (7), a fixing block (15) is arranged on the inner side of the second shell (9), a fixing column (14) is arranged on the upper surface of the fixing block (15), a limiting block (13) is arranged at the bottom of the first shell (1), a limiting groove (12) is formed in the top of the second shell (9), the limiting block (13) is matched with the limiting groove (12), a groove (11) is formed in the side face of the first shell (1), and a fixing screw (16) is arranged in the first mounting hole (5).

2. A switching transistor for PC power supply according to claim 1, characterized in that the collector (2), emitter (3), base (4) are all located on the same side of the second body (9), and the base (4) is located between the collector (2) and emitter (3).

3. The switching transistor for the PC power supply according to claim 1, wherein the fixing block (15) is provided with two blocks inside the second housing (9), the upper surface of each fixing block (15) is provided with a fixing post (14), and the position of the fixing post (14) corresponds to the first mounting hole (5).

4. The switching transistor for the PC power supply according to claim 1, wherein a plurality of first mounting holes (5) are formed in an upper surface of the first housing (1), the number of the first mounting holes (5) is the same as that of the fixing posts (14), a fixing screw (16) is disposed inside each first mounting hole (5), and the fixing screw (16) is in threaded connection with the fixing post (14).

5. The switching transistor for the PC power supply according to claim 1, wherein the first casing (1) and the second casing (9) are both U-shaped, and the limiting blocks (13) and the limiting grooves (12) are symmetrically distributed along the transverse center line of the second casing (9).

6. The switching transistor for the PC power supply according to claim 1, wherein both sides of the first casing (1) are provided with grooves (11), and the grooves (11) are embedded in the surface of the first casing (1).