CN209462785U - A kind of triode current mirror - Google Patents

Abstract

The utility model discloses a kind of triode current mirrors, belong to triode field, including body and pin, connecting plate is fixedly installed at the top of body, the positive middle part of connecting plate, which is run through, offers connecting hole, the front that seat is clamped there are three seat is clamped is fixedly mounted through limit chamber is offered in the bottom of body, and the inside of limit chamber is fixedly installed with limit guide bracket.The utility model is used cooperatively by pressing plate, clamping seat, limit guide bracket, limit slide bar, the first limit sliding sleeve, the second limit sliding sleeve, fixed plate, movable plate, garter spring, stationary conductive seat, active conductive seat, electric fishplate bar, insulation fixture block, insulation compact heap, card slot, pressing groove, pin is replaced to realize, it effectively avoids after traditional pin fractures and directly abandons entire device, it greatly reduced waste, reduce expenditure cost.

Description

A kind of triode current mirror

Technical field

The utility model relates to a kind of triodes to belong to triode technology neck more particularly to a kind of triode current mirror Domain.

Background technique

Triode, full name should be transistor, also referred to as bipolar junction transistor, transistor, be a kind of control electricity Its effect of the semiconductor devices of stream is small-signal to be zoomed into the biggish electric signal of range value, also serves as noncontacting switch.Three Pole pipe is one of basic component of semiconductor, has Current amplifier effect, is the core element of electronic circuit.Triode is one The PN junction of two close proximities is made on block semiconductor substrate, bulk semiconductor is divided into three parts, middle section by two PN junctions It is base area, two side portions are emitter region and collecting zone, and arrangement mode has PNP and two kinds of NPN.But traditional triode electric current Entire triode if after pin fractures, can not replace to pin, is directly directly abandoned, is caused when in use by mirror Great waste, increases cost.

Utility model content

The main purpose of the utility model is to provide for a kind of triode current mirror, by clamping apparatus, realizes doubling Disconnected pin is replaced, and is reduced waste, is reduced cost.

The purpose of this utility model can reach by using following technical solution:

Preferable scheme is that a kind of triode current mirror, including body and pin, it is fixedly installed at the top of the body Connecting plate, the positive middle part of connecting plate is through connecting hole is offered, and there are three clampings for the bottom fixed installation of the body Seat, through limit chamber is offered, the inside of the limit chamber is fixedly installed with limit guide bracket, described to insert in the front of the clamping seat The side of the bottom of foot is through offering card slot, the bottom of the pin and front and back for being located at card slot offers compression Slot.

Two sides at the top of the clamping seat, which are interted, is connected with the first limit sliding sleeve, and the inside of the clamping seat is fixedly mounted There is fixed plate, the two sides at the top of the fixed plate are interspersed to be connected with the second limit sliding sleeve, the middle part of the bottom of the fixed plate It is fixedly installed with stationary conductive seat, the two sides of the clamping seat inner wall bottom are fixedly installed with telescopic rod, and the telescopic rod is living Moved end is fixedly installed with movable plate, and the outer surface of the telescopic rod is socketed with clamping spring, and the two sides at the top of the movable plate are equal It is fixedly installed with limit slide bar, the top of the limit slide bar passes through the second limit sliding sleeve respectively and limits sliding sleeve with first and extend To outside clamping seat, the middle part at the top of the movable plate is fixedly installed with active conductive seat, the stationary conductive seat and active conductive The opposite face of seat offers the first connecting cavity and the second connecting cavity respectively, and the inside of first connecting cavity is fixedly installed with electrolysis Plate, the inside of second connecting cavity are fixedly installed with insulation fixture block, the inside of second connecting cavity and are located at insulation fixture block Front and back be fixedly installed with insulation compact heap.

In any of the above-described scheme preferably, the limit slide bar is sliding with the first limit sliding sleeve and the second limit sliding sleeve Dynamic connection, and limit slide bar and be adapted with the first limit sliding sleeve with the second limit sliding sleeve.

In any of the above-described scheme preferably, pressing plate is fixedly installed at the top of the limit slide bar.

In any of the above-described scheme preferably, the insulation fixture block and card slot are clamped, and the fixture block that insulate mutually is fitted with card slot Match.

In any of the above-described scheme preferably, the insulation compact heap is consistent with the shape of pressing groove, and insulate and compress Block is adapted with pressing groove.

In any of the above-described scheme preferably, the shape of the limit guide bracket inner cavity is consistent with the shape of pin, and limits Position guide bracket is adapted with pin.

The advantageous effects of the utility model: triode current mirror provided by the utility model passes through pressing plate, clamping Seat, limit slide bar, the first limit sliding sleeve, the second limit sliding sleeve, fixed plate, movable plate, garter spring, static is led at limit guide bracket Electric seat, active conductive seat, electric fishplate bar, insulation fixture block, insulation compact heap, card slot, pressing groove are used cooperatively, to realize to inserting Foot is replaced, and is effectively avoided after traditional pin fractures and is directly abandoned entire device, greatly reduced waste, is reduced Expenditure cost, and structure is simple, operating procedure is few, and it quickly pin can be replaced, greatly increases working efficiency, And pressing groove can to insulation compact heap play the role of limit, facilitate promoted insulation compact heap compression effect, make pin with The stable contact of electric fishplate bar, the accident for effectively avoiding poor contact occur.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of triode current mirror.

Fig. 2 is the clamping seat front view of triode current mirror.

Fig. 3 is the clamping seat cross-sectional view of triode current mirror.

Fig. 4 is enlarged drawing at A in Fig. 3 of triode current mirror.

Fig. 5 is the pin top view of triode current mirror.

In figure: body 1, pressing plate 2, clamping seat 3, pin 4, connecting plate 5, connecting hole 6, limit chamber 7, limit guide bracket 8, limit Position slide bar 9, first limit sliding sleeve 10, second limit sliding sleeve 11, fixed plate 12, movable plate 13, garter spring 14, telescopic rod 15, Stationary conductive seat 16, active conductive seat 17, the first connecting cavity 18, electric fishplate bar 19, insulation fixture block 20, insulation compact heap 21, second Connecting cavity 22, card slot 23, pressing groove 24.

Specific embodiment

To make the more clear and clear the technical solution of the utility model of those skilled in the art, below with reference to embodiment and Attached drawing is described in further detail the utility model, and however, the embodiments of the present invention are not limited thereto.

As shown in Figs. 1-5, a kind of triode current mirror provided in this embodiment, including body 1 and pin 4, the top of body 1 Portion is fixedly installed with connecting plate 5, and through connecting hole 6 is offered, the bottom of body 1 is fixedly installed at the positive middle part of connecting plate 5 Three clamping seats 3, the front of clamping seat 3 are fixedly installed with limit guide bracket 8 through limit chamber 7, the inside of limit chamber 7 is offered, The side of the bottom of pin 4 is through offering card slot 23, the bottom of the pin 4 and front and back for being located at card slot 23 offers Pressing groove 24.

The two sides at 3 top of clamping seat are interspersed to be connected with the first limit sliding sleeve 10, and the inside of clamping seat 3 is fixedly installed with Fixed board 12, the two sides at 12 top of fixed plate are interspersed to be connected with the second limit sliding sleeve 11, and the middle part of the bottom of fixed plate 12 is fixed Stationary conductive seat 16 is installed, the two sides of clamping 3 inner wall bottom of seat are fixedly installed with telescopic rod 15, and 15 movable end of telescopic rod is solid Dingan County is equipped with movable plate 13, and the outer surface of telescopic rod 15 is socketed with clamping spring 14, the fixed peace in the two sides at 13 top of movable plate Equipped with limit slide bar 9, the top of limit slide bar 9 passes through the second limit sliding sleeve 11 and the first limit sliding sleeve 10 respectively and extends to card Outside joint chair 3, the middle part at 13 top of movable plate is fixedly installed with active conductive seat 17, stationary conductive seat 16 and active conductive seat 17 Opposite face offers the first connecting cavity 18 and the second connecting cavity 22 respectively, and the inside of the first connecting cavity 18 is fixedly installed with electrolytic zinc-coated steel sheet 19, the inside of the second connecting cavity 22 be fixedly installed with insulation fixture block 20, the inside of the second connecting cavity 22 and be located at insulation fixture block 20 Front and back be fixedly installed with insulation compact heap 21, limit slide bar 9 with first limit sliding sleeve 10 with second limit cunning Set 11 is slidably connected, and limits slide bar 9 and be adapted with the first limit sliding sleeve 10 with the second limit sliding sleeve 11, limit slide bar 9 Top is fixedly installed with pressing plate 2, and insulation fixture block 20 and card slot 23 are clamped, and the fixture block 20 that insulate is adapted with card slot 23, is insulated Compact heap 21 is consistent with the shape of pressing groove 24, and the compact heap 21 that insulate is adapted with pressing groove 24, insulation compact heap 21 and pressure The shape of tight slot 24 is consistent, and the compact heap 21 that insulate is adapted with pressing groove 24.

To sum up, in the present embodiment, triode current mirror provided in this embodiment passes through pressing plate 2, clamping seat 3, limit Guide bracket 8, limit slide bar 9, first limit sliding sleeve 10, second and limit sliding sleeve 11, fixed plate 12, movable plate 13, garter spring 14, quiet Only conductive seat 16, active conductive seat 17, electric fishplate bar 19, insulation fixture block 20, insulation compact heap 21, card slot 23, pressing groove 24 are matched It closes and uses, when pin 4 fractures, press down on pressing plate 2, carry out limit slide bar 9 by 13 pairs of clamping springs 14 of movable plate Compression and the decline of movable plate 13, make insulation fixture block 20 be detached from the inside of card slot 23, cancel the fixation to pin 4, then extract slotting Foot 4, to complete the disassembly to pin 4, by new pin 4 from the inside of the limit insertion clamping seat 3 of guide bracket 8, release is pressed Pressing plate 2 resets garter spring 14, so that the fixture block 20 that makes to insulate fixes pin 4 into the inside of card slot 23, and The compact heap 21 that insulate enters the inside of pressing groove 24, further fixes to pin 4, completes the replacement to pin 4, from And realize and pin 4 is replaced, it effectively avoids and directly abandons entire device after traditional pin 4 fractures, greatly subtract Waste is lacked, has reduced expenditure cost, and structure is simple, operating procedure is few, can quickly replace to pin 4, greatly Working efficiency is increased, and pressing groove 24 can play the role of limit to insulation compact heap 21, help to promote insulation compact heap 21 compression effect, the contact for keeping pin 4 stable with electric fishplate bar 19, the accident for effectively avoiding poor contact occur.

The above, only the utility model further embodiment, but the protection scope of the utility model is not limited to In this, anyone skilled in the art is according to the present utility model in range disclosed in the utility model Technical solution and its design are subject to equivalent substitution or change, belong to the protection scope of the utility model.

Claims (6)

1. a kind of triode current mirror, including body (1) and pin (4), which is characterized in that the top of the body (1) is fixed It is equipped with connecting plate (5), the positive middle part of the connecting plate (5), which is run through, to be offered connecting hole (6), the bottom of the body (1) It is fixedly mounted there are three seat (3) are clamped, the front of clamping seat (3), which is run through, to be offered limit chamber (7), the limit chamber (7) Inside be fixedly installed with limit guide bracket (8), the side of the bottom of the pin (4) is described to insert through offering card slot (23) The bottom of foot (4) and be located at card slot (23) front and back offer pressing groove (24)；

Two sides at the top of clamping seat (3), which are interted, is connected with the first limit sliding sleeve (10), and the inside of clamping seat (3) is solid Dingan County is equipped with fixed plate (12), and the two sides at the top of the fixed plate (12) are interspersed to be connected with the second limit sliding sleeve (11), described It is fixedly installed in the middle part of the bottom of fixed plate (12) stationary conductive seat (16), the two sides of described clamping seat (3) inner wall bottom are equal It is fixedly installed with telescopic rod (15), telescopic rod (15) movable end is fixedly installed with movable plate (13), the telescopic rod (15) Outer surface be socketed with clamping spring (14), the two sides at the top of the movable plate (13) are fixedly installed with limit slide bar (9), institute The top for stating limit slide bar (9) passes through the second limit sliding sleeve (11) respectively and limits sliding sleeve (10) with first and extend to clamping seat (3) outside, the middle part at the top of the movable plate (13) is fixedly installed with active conductive seat (17), the stationary conductive seat (16) and work The opposite face of moving conductive seat (17) offers the first connecting cavity (18) and the second connecting cavity (22), first connecting cavity respectively (18) inside is fixedly installed with electrolytic zinc-coated steel sheet (19), and the inside of second connecting cavity (22) is fixedly installed with insulation fixture block (20), the inside of second connecting cavity (22) and the front and back positioned at insulation fixture block (20) are fixedly installed with insulation pressure Tight block (21).

2. a kind of triode current mirror as described in claim 1, which is characterized in that the limit slide bar (9) limits with first Position sliding sleeve (10) is slidably connected with the second limit sliding sleeve (11), and limits slide bar (9) and limit sliding sleeve (10) and second with first Limit sliding sleeve (11) is adapted.

3. a kind of triode current mirror as described in claim 1, which is characterized in that the top of limit slide bar (9) is fixed Pressing plate (2) are installed.

4. a kind of triode current mirror as described in claim 1, which is characterized in that the insulation fixture block (20) and card slot (23) Clamping, and insulation fixture block (20) is adapted with card slot (23).

5. a kind of triode current mirror as described in claim 1, which is characterized in that the insulation compact heap (21) and pressing groove (24) shape is consistent, and insulation compact heap (21) is adapted with pressing groove (24).

6. a kind of triode current mirror as described in claim 1, which is characterized in that the shape of described limit guide bracket (8) inner cavity It is consistent with the shape of pin (4), and limit guide bracket (8) and be adapted with pin (4).