CN117525152B - MOS field effect transistor - Google Patents
MOS field effect transistor Download PDFInfo
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- CN117525152B CN117525152B CN202410008516.4A CN202410008516A CN117525152B CN 117525152 B CN117525152 B CN 117525152B CN 202410008516 A CN202410008516 A CN 202410008516A CN 117525152 B CN117525152 B CN 117525152B
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- 230000005669 field effect Effects 0.000 title claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 238000004140 cleaning Methods 0.000 claims abstract description 19
- 230000004224 protection Effects 0.000 claims abstract description 14
- 230000000670 limiting effect Effects 0.000 claims description 45
- 239000002775 capsule Substances 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 17
- 239000000758 substrate Substances 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 4
- 238000000151 deposition Methods 0.000 abstract description 2
- 230000001771 impaired effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 26
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 229910000679 solder Inorganic materials 0.000 description 3
- -1 aluminum-gold Chemical compound 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/02—Containers; Seals
- H01L23/04—Containers; Seals characterised by the shape of the container or parts, e.g. caps, walls
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Cleaning In General (AREA)
- Brushes (AREA)
Abstract
The invention relates to the technical field of transistors, and discloses a MOS field effect transistor, which comprises an enclosure and pins, wherein the pins are fixed on the enclosure, the side wall of the enclosure is provided with a chute, the chute is provided with a protection mechanism for protecting the pins, and the protection mechanism comprises: the sliding block is slidably mounted on the inner wall of the sliding groove on one side of the sliding block, the protective cover is fixed on the other side of the sliding block, the L-shaped connecting rod is fixed on the top of the protective cover at one end, the protective plate and the cleaning mechanism are fixed on the other end of the L-shaped connecting rod, and the cleaning mechanism is fixed on the inner side of the protective cover. This MOS field effect transistor, through setting up protection machanism, and then when depositing and transporting the transistor, can protect the pin through safety cover and protection shield, prevent that the pin from receiving the collision, cause the pin to take place to break impaired, influence the use in transistor later stage.
Description
Technical Field
The invention relates to the technical field of transistors, in particular to a MOS field effect transistor.
Background
The MOS tube, also called as insulated gate field effect tube, can be divided into PMOS tube, NMOS tube and VMOS tube, etc., the insulated gate field effect tube is a metal oxide semiconductor field effect tube, usually expressed by MOS, simply called MOS tube, it has higher input impedance than the junction field effect tube, and the manufacturing process is simpler, it is flexible and convenient to use, very favorable to highly integrating.
When the existing MOS field effect transistor is stored and transported, the phenomenon that pins of the transistor are broken due to collision can occur, so that the transistor is damaged, and the normal use of the transistor in the later period is affected.
Disclosure of Invention
The present invention is directed to a MOS field effect transistor for solving the above-mentioned problems.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a MOS field effect transistor, includes capsule, pin and capsule base plate, the capsule base plate has been placed to the inner wall of capsule, the lateral wall of capsule base plate is fixed with the pin, the pin runs through the lateral wall of capsule, and runs through the department laminating, the lateral wall of capsule base plate is fixed with the fixing base, the right side of capsule is run through to the fixing base, the lateral wall of capsule is provided with stop gear, the spout has been seted up to the lateral wall of capsule, the outer wall of capsule base plate is fixed with the chip, be fixed with copper aluminium changeover piece on the pin, carry out fixed connection through the bonding silk between chip and the copper aluminium changeover piece, be provided with the protection machanism to the pin on the spout, protection machanism includes:
the sliding block is arranged on the inner wall of the sliding groove in a sliding way, a protective cover is fixed on the other side of the sliding block, and a transmission mechanism is arranged on the protective cover;
the L-shaped connecting rod, one end of the L-shaped connecting rod is fixed at the top of the protective cover, the other end of the L-shaped connecting rod is fixed with the protective plate, and the effect of protecting the pins can be achieved by arranging the protective cover and the protective plate;
the cleaning mechanism is fixed on the inner side of the protective cover and comprises a connecting block, the connecting block is fixed on the inner side of the protective cover, a sleeve is fixed on the side wall of the connecting block, a loop bar is slidably mounted on the inner wall of the sleeve, a connecting spring is fixed on the end point of the loop bar, one side, far away from the loop bar, of the connecting spring is fixed on the inner wall of the sleeve, and a knocking mechanism is arranged on the connecting block.
Preferably, the limiting rod penetrates through the sliding block, the penetrating part is in sliding connection, a stop block is fixed at the end point of the limiting rod, and the limiting effect on the protective cover can be achieved through the limiting rod.
Preferably, one side of the stop block, which is close to the protective cover, is fixed with a reset spring, and one side of the reset spring, which is far away from the stop block, is fixed on the sliding block, and the reset spring is arranged to achieve the reset effect on the limiting rod.
Preferably, the side wall of the enclosure is provided with a first limiting hole and a second limiting hole.
Preferably, the transmission mechanism comprises a push rod, a push block is fixed at the top of the push rod, a connecting rod is hinged at the bottom of the push rod, one end of the connecting rod, far away from the push rod, is hinged on the connecting block, a disc is fixed on the outer wall of the push rod, a transmission spring is fixed at the top of the disc, and the top of the transmission spring is fixed at the inner side of the protective cover and can play a role in resetting the push rod through setting the transmission spring.
Preferably, the one end that connecting spring was kept away from to the loop bar is fixed with the arc, one side that the loop bar was kept away from to the arc is fixed with thin brush, can play the effect of clearing up the outer wall of pin through setting up thin brush.
Preferably, the top of safety cover is fixed with the connecting seat, the inner wall slidable mounting of connecting seat has the stopper, the outer wall of stopper is fixed with the pull rod, the lateral wall of stopper is fixed with the movable spring, the one side that the movable spring kept away from the stopper is fixed at the inner wall of connecting seat, can play the effect that carries out spacing to the ejector pad through setting up the stopper.
Preferably, the knocking mechanism comprises a supporting rod, the supporting rod is fixed on the side wall of the connecting block, the sliding plate is slidably mounted on the outer wall of the supporting rod, the supporting column is fixed at the top of the sliding plate, the inclined block is fixed at the top of the supporting column, the return spring is fixed on the side wall of the sliding plate, the baffle is fixed on one side, far away from the sliding plate, of the return spring, and the baffle is fixed on the end point of the supporting rod and can achieve the effect of resetting the sliding plate through setting the return spring.
Preferably, the bottom of slide is fixed with L type connecting rod, the one end that the slide was kept away from to L type connecting rod is fixed with the piece of slapping, can clap the fine hair brush through setting up the piece of slapping, and then can play the effect of carrying out self-cleaning to the fine hair line, prevents to influence the effect of clearance pin next time.
Preferably, the inboard of safety cover is fixed with the longeron, the front of longeron is fixed with multiunit slope piece, stop gear includes the spread groove, the lateral wall at the capsule is seted up to the spread groove, the inner wall slidable mounting of spread groove has the U type frame, the top of U type frame is fixed with extension spring, extension spring's top is fixed at the inner wall of spread groove, the top of U type frame is fixed with spacing inserted bar, spacing jack has been seted up to the bottom of fixing base, the inner wall of spacing jack is laminated with the outer wall of spacing inserted bar.
Compared with the prior art, the invention provides the MOS field effect transistor, which has the following beneficial effects:
1. this MOS field effect transistor, through setting up protection machanism, and then when depositing and transporting the transistor, can protect the pin through safety cover and protection shield, prevent that the pin from receiving the collision, cause the pin to take place to break impaired, influence the use in transistor later stage.
2. This MOS field effect transistor, when the safety cover removes, through connecting block, sleeve, loop bar, coupling spring, arc and the cooperation of thin brush, can make thin brush laminating the pin remove, and then can play the effect of clearing up the pin.
3. This MOS field effect transistor, when not using the fine hair brush, and then can push down the ejector pad, make the push rod downwardly moving, through the connecting rod, make two sets of connecting blocks drive fine hair line and keep away from each other, can play the effect that carries out spacing to the ejector pad through stopper, movable spring and connecting seat, make two sets of fine hair line keep away from each other fixedly, make fine hair line and pin laminating not, prevent when using the transistor, fine hair brush also and pin laminating influence the normal use of transistor.
4. When two groups of connecting blocks are far away from each other, the MOS field effect transistor can further enable the slapping blocks to flap the surface of the fine hair brush back and forth through the knocking mechanism, the long plates and the plurality of groups of inclined blocks, and further can achieve the effect of cleaning the fine hair wires.
5. This MOS field effect transistor, when need maintain in the capsule, and then can stimulate the U type frame and move downwards, make spacing inserted bar shift out from spacing jack, can remove the spacing to the fixing base, can remove the fixing base, take out the thing in the capsule, conveniently change and maintain.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the overall bottom view structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure A of FIG. 1 according to the present invention;
FIG. 4 is an enlarged schematic view of the structure B of FIG. 1 according to the present invention;
FIG. 5 is an enlarged schematic view of the structure C of FIG. 2 in accordance with the present invention;
FIG. 6 is an enlarged schematic view of the structure D of FIG. 2 according to the present invention;
FIG. 7 is a schematic view of the internal structure of the connecting seat according to the present invention;
FIG. 8 is a schematic view of the internal structure of the sleeve according to the present invention;
FIG. 9 is a schematic view of the internal structure of the enclosure of the present invention;
FIG. 10 is a schematic cross-sectional view of the enclosure of the present invention;
fig. 11 is an enlarged schematic view of the E-structure of fig. 10 according to the present invention.
In the figure: 1. an enclosure; 2. pins; 3. a chute; 4. a protective mechanism; 401. a slide block; 402. a protective cover; 403. a limit rod; 404. a stop block; 405. a return spring; 406. a cleaning mechanism; 4061. a connecting block; 4062. a sleeve; 4063. a loop bar; 4064. an arc-shaped plate; 4065. a fine brush; 4066. a connecting spring; 407. an L-shaped connecting rod; 408. a protective plate; 409. a transmission mechanism; 4091. a push rod; 4092. a pushing block; 4093. a disc; 4094. a transmission spring; 4095. a connecting rod; 5. a first limiting hole; 6. a second limiting hole; 7. a connecting seat; 8. a limiting block; 9. a pull rod; 10. a moving spring; 11. a long plate; 12. a tilting block; 13. a knocking mechanism; 1301. a support rod; 1302. a slide plate; 1303. a return spring; 1304. a baffle; 1305. an L-shaped connecting rod; 1306. a slapping block; 1307. a support column; 1308. a sloping block; 14. a package substrate; 15. a fixing seat; 16. a limiting mechanism; 1601. a connecting groove; 1602. a U-shaped frame; 1603. a limit inserted link; 1604. a tension spring; 17. limiting jack; 18. a chip; 19. copper aluminum adapter plates; 20. and (5) bonding wires.
Detailed Description
As shown in fig. 1 to 11, the present invention provides a technical solution: the MOS field effect transistor comprises a shell 1, pins 2 and a shell substrate 14, wherein the shell substrate 14 is arranged on the inner wall of the shell 1, the pins 2 are fixed on the side wall of the shell substrate 14, the pins 2 penetrate through the side wall of the shell 1 and are attached to the penetrating parts, a fixed seat 15 is fixed on the side wall of the shell substrate 14, the fixed seat 15 penetrates through the right side of the shell 1, a limiting mechanism 16 is arranged on the side wall of the shell 1, a chute 3 is arranged on the side wall of the shell 1, a chip 18 is fixed on the outer wall of the shell substrate 14, a copper-aluminum adapter 19 is fixed on the outer wall of the pin 2, the chip 18 and the copper-aluminum adapter 19 are fixedly connected through bonding wires 20, sintered solder is arranged on the pin 2, the bottom surface (copper substrate surface) of the copper-aluminum adapter 19 faces to the bonding point of the pins 2, the chip 18 uses the same solder, and is arranged on the shell substrate 14 according to requirements; melting the solder by using a proper sintering reflow curve, and bonding the chip 18 and the copper-aluminum adapter 19 on the package substrate 14 and the pins 2 respectively after cooling; wire bonding is carried out on the chip 18, the bonding wire 20 is made of aluminum, the metal layer on the surface of the chip 18 is made of aluminum, the transition surface is made of aluminum, sealing is carried out after bonding is completed, and packaging of the device is completed. The aluminum-gold interface accelerates the formation of various intermetallic compounds in a high-temperature environment, and the effect is Kendall effect. The gold-aluminum compound formed by the kendall effect is brittle and has a larger thermal expansion coefficient than aluminum, and after the effect is accumulated, the bonding point can reduce the bonding strength of the aluminum wire bonding point and the bonding surface of the enclosure substrate 14 under the stress condition formed by the environmental change from high temperature to normal temperature, and finally can be separated from the surface of the enclosure substrate 14 to form fatal failure. The scheme of the copper-to-aluminum switching sheet is adopted, so that the effect can be avoided, and the device is prevented from generating fatal failure under severe working conditions and after long-term working. The chute 3 is provided with a protection mechanism 4 for protecting the pins 2.
The protection mechanism 4 includes a slider 401, a protection cover 402, a stopper 403, a stopper 404, a return spring 405, a cleaning mechanism 406, an L-shaped connecting rod 407, a protection plate 408, and a transmission mechanism 409. The slider 401 is slidably mounted on the inner wall of the chute 3, the protective cover 402 is fixed on one side of the slider 401 far away from the chute 3, the effect of limiting the protective cover 402 can be achieved by arranging the protective cover 402, an L-shaped connecting rod 407 is fixed on one side of the protective cover 402, one end of the L-shaped connecting rod 407 far away from the protective cover 402 is fixedly provided with a protective plate 408, the protective plate 408 can achieve the effect of protecting the bottom of the pin 2, a limit rod 403 penetrates through the slider 401, and the limit rod 403 is slidably connected with the penetrating part of the slider 401, a first limit hole 5 is formed in the side wall of the enclosure 1, one end of the limit rod 403 far away from the first limit hole 5 is fixedly provided with a stop block 404, a reset spring 405 is fixed on one side of the protective cover 404 close to the protective cover 402, one side of the reset spring 405 far away from the stop block 404 is fixedly arranged on the side of the slider 401, the reset spring 405 can achieve the effect of resetting the limit rod 403, the limit rod 403 can be moved by arranging the reset spring 405, the limit rod 403 can be driven to move, the limit rod 403 can be pushed by the cambered surface of the slider 403, the protective cover 403 is pushed by the limit rod, the inner wall of the limit rod 5 of the protective cover, the limit rod 403 can be pushed by the limit rod 403, the protective cover can be prevented from being broken off the pin 2, the pin 2 can be prevented from moving from the top of the pin 2 by the limit rod 403 through the first limit rod 403, the reset spring 403 can be prevented from moving the end of the protective cover 403, the side of the protective cover 2 is further moved to the end is far away from the pin 2, the end is prevented from the end of the pin 2 from the limit rod 2 is further moved by the limit rod 403 is moved by the limit rod 2 is moved by the limit rod 403, because the reset spring 405 is in a stretched state, the stop lever 403 can extend into the second stop hole 6, and then the protective cover 402 and the protective plate 408 can be respectively fixed at the top and the bottom of the pin 2, so as to protect the pin 2, and a cleaning mechanism 406 is arranged at the bottom of the protective cover 402.
The cleaning mechanism 406 includes a connection block 4061, a sleeve 4062, a lever 4063, a connection spring 4066, a curved plate 4064, and a fine brush 4065. The inner wall of guard shield 402 is fixed to connecting block 4061, sleeve 4062 is fixed to the lateral wall of connecting block 4061, sleeve 4062's inner wall slidable mounting has loop bar 4063, loop bar 4063's extreme point is fixed with connecting spring 4066, connecting spring 4066 keeps away from one side of loop bar 4063 and fixes at sleeve 4062's inner wall, one side that connecting spring 4066 was kept away from to loop bar 4063 is fixed with arc 4064, one side that arc 4064 kept away from loop bar 4063 is fixed with fine brush 4065, fine brush 4065 is laminated with pin 2's outer wall, can play the effect of clearing up pin 2's outer wall through setting up fine brush 4065, and then when guard shield 402 moves, can make fine brush 4065 laminate pin 2 and remove, make pin 2 keep clean, the convenient welding installation, be provided with drive mechanism 409 on the guard shield 402.
The transmission mechanism 409 includes a push rod 4091, a push block 4092, a disk 4093, a transmission spring 4094, and a link 4095. The push rod 4091 penetrates through the protective cover 402 and is in sliding connection with the penetrating part, the push block 4092 is fixed at the top of the push rod 4091, the disc 4093 is fixed on the outer wall of the push rod 4091, the transmission spring 4094 is fixed at the top of the disc 4093, the top of the transmission spring 4094 is fixed at the inner side of the protective cover 402, the connecting rod 4095 is hinged at the bottom of the push rod 4091, one end of the connecting rod 4095 far away from the push rod 4091 is hinged at the side wall of the connecting block 4061, further, after the pin 2 is cleaned by the fine hair brush 4065, the push block 4092 can be pressed to approach the protective cover 402, the push rod 4091 moves downwards, the connecting rod 4095 is extruded by the push rod 4091, and when the push rod 4091 moves downwards, the disc 4093 drives the transmission spring 4094 to stretch, the connecting rod 4095 can extrude two groups of connecting blocks 4061 to be far away from each other, the connecting blocks 4065 can be driven to be far away from each other, the connecting seat 7 is fixed at the top of the protective cover 402, the inner wall of the connecting seat 7 is slidably provided with a limiting block 8, one side of the limiting block 8 away from the pushing block 4092 is fixedly provided with a moving spring 10, one side of the moving spring 10 away from the limiting block 8 is fixedly arranged on the inner wall of the connecting seat 7, when the pushing block 4092 moves downwards to be in contact with the inclined surface of the limiting block 8, the pushing block 4092 further applies extrusion force to the inclined surface of the limiting block 8, the limiting block 8 moves into the connecting seat 7 due to the extrusion force of the limiting block 8, the moving spring 10 compresses, when the pushing block 4092 moves downwards to the bottom of the limiting block 8, the limiting block 8 returns to the original position due to the compression state of the moving spring 10, the top of the limiting block 4092 is limited by the limiting block 8, the connecting block 4061 is further fixed, the fine hair brush 4065 is far away from the pin 2, the fine hair brush 4065 is no longer in contact with the pin 2, and the transistor is prevented from being used, the thin brush 4065 is also attached to the pin 2, which affects normal use of the transistor, and the knocking mechanism 13 is disposed on the connection block 4061.
The striking mechanism 13 includes a support bar 1301, a slide plate 1302, a return spring 1303, a baffle 1304, an L-shaped link 1305, a slapping block 1306, a support column 1307, and a swash block 1308. The supporting rod 1301 is fixed on the side wall of the connecting block 4061, the sliding plate 1302 is slidably arranged on the outer wall of the supporting rod 1301, the baffle plate 1304 is fixed at the end point of the supporting rod 1301, the return spring 1303 is fixed on one side of the baffle plate 1304 close to the sliding plate 1302, one side of the return spring 1303 far away from the baffle plate 1304 is fixed on the front surface of the sliding plate 1302, the effect of resetting the sliding plate 1302 can be achieved by arranging the return spring 1303, the supporting rod 1307 is fixed on the top of the sliding plate 1302, the inclined block 1308 is fixed on the top of the supporting rod 1307, the long plate 11 is fixed on the bottom of the protecting cover 402, a plurality of groups of equidistant inclined blocks 12 are fixed on the front surface of the long plate 11, when the connecting block 4061 moves, the connecting block 4061 can drive the supporting rod 1301 to move, the supporting rod 1301 drives the sliding plate 1302 and the supporting rod 1307 to move, the inclined block 1308 moves to the inclined surface to contact with the inclined surface of the inclined block 12, and the inclined surface receives the extrusion force, the inclined block 1308 is far away from the long plate 11, the support column 1307 drives the sliding plate 1302 to be far away from the connecting block 4061, the return spring 1303 is compressed, the L-shaped connecting rod 1305 is fixed at the bottom of the sliding plate 1302, the clapping block 1306 is fixed at one end of the L-shaped connecting rod 1305 far away from the sliding plate 1302, the sliding plate 1302 drives the L-shaped connecting rod 1305 to be far away from the connecting block 4061, the clapping block 1306 is far away from the fine hair brush 4065 and is not contacted with the fine hair brush 4065, when the inclined block 1308 moves between two groups of inclined blocks 12, the inclined block 1308 is not pressed, and the return spring 1303 is in a compressed state, the sliding plate 1302 can drive the L-shaped connecting rod 1305 to be close to the connecting block 4061, the clapping block 1306 can clap the surface of the fine hair brush 4065, the effect of self-cleaning the surface of the fine hair brush 4065 can be achieved, a large amount of dust and the like are prevented from adhering to the surface of the fine hair brush 4065, the effect of cleaning pin 2 is affected, when the fine hair brush 4065 is required to be used, because the outer wall of the limiting block 8 is fixed with the pull rod 9, the pull rod 9 can be pulled, the pull rod 9 drives the limiting block 8 to move away from the top of the pushing block 4092, and because the transmission spring 4094 is in a stretching state, the transmission spring 4094 can drive the disc 4093 and the push rod 4091 to move upwards, the two groups of connecting blocks 4061 can be mutually close to each other through the connecting rod 4095, the fine hair brush 4065 can be attached to the pin 2, and the pin 2 can be cleaned.
The above-mentioned stop gear 16 includes spread groove 1601, spread groove 1601 sets up the lateral wall at enclosure 1, the inner wall slidable mounting of spread groove 1601 has U-shaped frame 1602, the top of U-shaped frame 1602 is fixed with extension spring 1604, the inner wall at spread groove 1601 is fixed at the top of extension spring 1604, spacing inserted bar 1603 is fixed at the top of U-shaped frame 1602, spacing jack 17 has been seted up to the bottom of fixing base 15, spacing jack 17's inner wall and spacing inserted bar 1603's outer wall laminating, when the inside enclosure base 14 of need be to be maintained to enclosure 1, can push down U-shaped frame 1602, make U-shaped frame 1602 drive spacing inserted bar 1603 shift out from spacing jack 17, and then can remove in to fixing base 15, and then can remove fixing base 15, can remove enclosure base 14 from enclosure 1, and then conveniently maintain the inside enclosure 1, when installing enclosure base 14 in enclosure 1, through the cooperation of stop gear 16 and spacing jack 17, make enclosure base 14 fix in enclosure 1.
Working principle: when the pin 2 is required to be stored or transported, the sliding block 401 can be moved, the sliding block 401 drives the limiting rod 403 to move, the cambered surface of the limiting rod 403 can be extruded to the inner wall of the first limiting hole 5, the limiting rod 403 can be far away from the protecting cover 402, the reset spring 405 is stretched, the limiting rod 403 can be moved out of the first limiting hole 5, the protecting cover 402 is moved to the top of the pin 2 by moving the sliding block 401, the protecting plate 408 is moved to the bottom of the pin 2 by the L-shaped connecting rod 407, the effect of protecting the pin 2 can be further achieved, the pin 2 is prevented from being broken by collision, when the sliding block 401 drives the limiting rod 403 to move to the second limiting hole 6 formed in the side wall of the sealing shell 1, the limiting rod 403 can be stretched into the second limiting hole 6 due to the stretching state of the reset spring 405, the protective cover 402 and the protective plate 408 can be respectively fixed at the top and the bottom of the pin 2 to protect the pin 2, when the protective cover 402 moves, the fine brush 4065 can be attached to the pin 2 to move, the pin 2 is cleaned, the pin 2 is kept clean and is convenient to weld and install, when the fine brush 4065 finishes cleaning the pin 2, the push block 4092 can be pressed to approach the protective cover 402, the push rod 4091 moves downwards, the push rod 4091 presses the connecting rod 4095, when the push rod 4091 moves downwards, the disc 4093 drives the transmission spring 4094 to stretch, the connecting rods 4095 can press the two groups of connecting blocks 4061 to be mutually far away, the connecting blocks 4061 can drive the fine brush 4065 to be mutually far away, when the push block 4092 moves downwards to be in contact with the inclined plane of the limiting block 8, the push block 4092 can apply extrusion force to the inclined plane of the limiting block 8, the limiting block 8 moves into the connecting seat 7 due to the extrusion force of the limiting block 8, when the push block 4092 moves downwards to the bottom of the limit block 8, the limit block 8 can return to the original position because the push block 4092 is in a compressed state when the limit block 8 is not extruded, the limit block 8 limits the top of the push block 4092, and then the connecting block 4061 is fixed, the fine brush 4065 is far away from the pin 2 and is not contacted with the pin 2, the fine brush 4065 is also attached to the pin 2 when the transistor is used, normal use of the transistor is influenced, when the connecting block 4061 moves, the connecting block 4061 can be made to drive the supporting rod 1301 to move, the supporting rod 1301 drives the slide plate 1302 and the supporting column 1307 to move, and then the inclined surface 1308 is made to move to the inclined surface contact of the inclined block 12, and then the inclined surface is enabled to be extruded, the inclined surface 1308 is enabled to be far away from the long plate 11, and then the supporting column 1307 drives the slide plate 1302 to be far away from the connecting block 4061, the L-shaped connecting rod 1305 is enabled to be far away from the connecting block 61, the brush 1306 is enabled to be far away from the brush 4065 and the inclined surface contact with the inclined surface of the inclined block 4012, and the cleaning effect of the fine brush 4065 is enabled to be close to the inclined surface of the inclined block 4065, and the cleaning effect of the cleaning surface 4065 is enabled to be influenced, and the cleaning effect of the surface is enabled to be close to be capable of being influenced, and the surface is enabled to be convenient to be close to the inclined to the surface 4065 is enabled to be attached to the inclined surface is enabled to the inclined surface 4065 and the surface is enabled to be attached to the surface to the brush 4065.
The foregoing invention has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (8)
1. A MOS field effect transistor comprising an envelope (1), a pin (2) and an envelope substrate (14), characterized in that: the inner wall of capsule (1) has placed capsule base plate (14), the lateral wall of capsule base plate (14) is fixed with pin (2), the lateral wall of capsule (1) is run through to pin (2), and runs through the department laminating, the lateral wall of capsule base plate (14) is fixed with fixing base (15), fixing base (15) run through the right side of capsule (1), the lateral wall of capsule (1) is provided with stop gear (16), spout (3) have been seted up to the lateral wall of capsule (1), the outer wall of capsule base plate (14) is fixed with chip (18), be fixed with copper aluminium changeover piece (19) on pin (2), carry out fixed connection through bonding silk (20) between chip (18) and the copper aluminium changeover piece (19), be provided with on spout (3) and protect protection machanism (4) to pin (2), protection machanism (4) include:
the sliding block (401), one side of the sliding block (401) is slidably arranged on the inner wall of the sliding groove (3), the other side of the sliding block (401) is fixedly provided with a protective cover (402), and the protective cover (402) is provided with a transmission mechanism (409);
an L-shaped connecting rod (407), wherein one end of the L-shaped connecting rod (407) is fixed at the top of the protective cover (402), and a protective plate (408) is fixed at the other end of the L-shaped connecting rod (407);
the cleaning mechanism (406), the inboard of guard shield (402) is fixed to cleaning mechanism (406), cleaning mechanism (406) include connecting block (4061), the inboard of guard shield (402) is fixed to connecting block (4061), the lateral wall of connecting block (4061) is fixed with sleeve (4062), sleeve (4063) is installed to the inner wall slidable mounting of sleeve (4062), the extreme point of sleeve (4063) is fixed with connecting spring (4066), one side that connecting spring (4066) kept away from sleeve (4063) is fixed at sleeve (4062) inner wall, be provided with on connecting block (4061) and strike mechanism (13), drive mechanism (409) include push rod (4091), the top of push rod (4091) is fixed with ejector pad (4092), the bottom of push rod (4091) articulates there is connecting rod (4095), the one end that push rod (4095) kept away from push rod (4091) articulates on sleeve (4061), the outer wall of push rod (4091) is fixed with disc (4093), the fixed with disc (4093) on the inner wall of sleeve (4063), the fixed with disc (4094) is kept away from at the top of connecting block (4091) is fixed with arc plate (4094), a fine brush (4065) is fixed on one side of the arc-shaped plate (4064) far away from the loop bar (4063).
2. A MOS field effect transistor according to claim 1 wherein: a limiting rod (403) penetrates through the sliding block (401), the penetrating part is connected in a sliding mode, and a stop block (404) is fixed at the end point of the limiting rod (403).
3. A MOS field effect transistor according to claim 2 wherein: a return spring (405) is fixed on one side of the stop block (404) close to the protective cover (402), and one side of the return spring (405) far away from the stop block (404) is fixed on the sliding block (401).
4. A MOS field effect transistor according to claim 1 wherein: the side wall of the enclosure (1) is provided with a first limiting hole (5) and a second limiting hole (6).
5. A MOS field effect transistor according to claim 1 wherein: the top of safety cover (402) is fixed with connecting seat (7), the inner wall slidable mounting of connecting seat (7) has stopper (8), the outer wall of stopper (8) is fixed with pull rod (9), the lateral wall of stopper (8) is fixed with movable spring (10), one side that movable spring (10) kept away from stopper (8) is fixed at the inner wall of connecting seat (7).
6. A MOS field effect transistor according to claim 1 wherein: the knocking mechanism (13) comprises a supporting rod (1301), the supporting rod (1301) is fixed on the side wall of the connecting block (4061), a sliding plate (1302) is slidably mounted on the outer wall of the supporting rod (1301), a supporting column (1307) is fixed at the top of the sliding plate (1302), an inclined block (1308) is fixed at the top of the supporting column (1307), a return spring (1303) is fixed on the side wall of the sliding plate (1302), a baffle (1304) is fixed on one side, far away from the sliding plate (1302), of the return spring (1303), and the baffle (1304) is fixed at the end point of the supporting rod (1301).
7. A MOS field effect transistor according to claim 6 wherein: an L-shaped connecting rod (1305) is fixed at the bottom of the sliding plate (1302), and a slapping block (1306) is fixed at one end, far away from the sliding plate (1302), of the L-shaped connecting rod (1305).
8. A MOS field effect transistor according to claim 1 wherein: the inner side of safety cover (402) is fixed with longboard (11), the front of longboard (11) is fixed with multiunit slope piece (12), stop gear (16) are including spread groove (1601), the lateral wall at enclosure (1) is seted up to spread groove (1601), the inner wall slidable mounting of spread groove (1601) has U type frame (1602), the top of U type frame (1602) is fixed with extension spring (1604), the inner wall at spread groove (1601) is fixed at the top of extension spring (1604), the top of U type frame (1602) is fixed with spacing inserted bar (1603), spacing jack (17) have been seted up to the bottom of fixing base (15), the outer wall laminating of spacing inserted bar (1603) and the inner wall of spacing jack (17).
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| KR101360237B1 (en) * | 2012-11-27 | 2014-02-12 | (주)아세아에프에이 | Brushing apparatus for terminal pins of connector |
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| CN117525152A (en) | 2024-02-06 |
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