CN219575625U - MOS tube with electrostatic protection function - Google Patents

Abstract

The utility model discloses an MOS tube with an electrostatic protection function, which comprises an MOS tube main body, wherein the front end of the MOS tube main body is provided with a front cover, the left side of the bottom end of the MOS tube main body is provided with a first pin, fixing heads are respectively fixed at two sides and the middle position of the bottom end of the MOS tube main body, and fixing blocks are respectively fixed at the top ends and the bottom ends of two sides of the MOS tube main body. This MOS pipe with electrostatic protection function is through when first pin and second pin or the third pin that the bottom set up appear damaging, can correspond the connecting bolt that sets up the fixed head front end outwards unscrew the back from the inside of screw hole and hole, can dismantle the first pin or the third pin etc. of fracture damage from the bottom of MOS pipe main part, afterwards correspond to replace the damaged pin install again can, facilitate the use, be convenient for carry out dismouting replacement to the pin subassembly, solve the problem that is inconvenient for carrying out dismouting replacement to the pin subassembly.

Description

MOS tube with electrostatic protection function

Technical Field

The utility model relates to the technical field of semiconductors, in particular to a MOS tube with an electrostatic protection function.

Background

The MOS tube can be called a field effect tube, and compared with a diode and a triode, the MOS tube can control current by small voltage, the diode can only pass forward current, is cut off reversely and cannot be controlled, and the triode amplifies the small current into controlled large current, so that the use is wider.

However, in the actual use process of the MOS tube with the electrostatic protection function:

firstly, the connecting pin assemblies arranged on the MOS tube are fixedly arranged, pins are generally fragile, the MOS tube can be scrapped after the pins are damaged, the use is very inconvenient, and the pin assemblies are not required to be disassembled and replaced;

secondly, in the process of using the MOS tube after connection and installation, the outside of the main body is mostly exposed outside, and the MOS tube is not provided with a measure for protecting the outside of the MOS tube;

thirdly, the inside and the outside of the MOS tube are generally integrated during production and processing, so that the inside is inconvenient to disassemble, assemble and overhaul.

At present, a novel MOS tube with an electrostatic protection function is provided to solve the defects.

Disclosure of Invention

The utility model aims to provide a MOS tube with an electrostatic protection function, so as to solve the problem that the pin assembly is inconvenient to assemble, disassemble and replace in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the MOS tube with the electrostatic protection function comprises a MOS tube main body, wherein the front end of the MOS tube main body is provided with a front cover, the left side of the bottom end of the MOS tube main body is provided with a first pin, two sides and the middle position of the bottom end of the MOS tube main body are respectively fixed with fixing heads, the top ends and the bottom ends of two sides of the MOS tube main body are respectively fixed with fixing blocks, an ESD chip is arranged in the MOS tube main body, the top end of the MOS tube main body is fixed with a mounting plate, the inside of the mounting plate is provided with a through hole in a penetrating way, the middle position of the bottom end of the MOS tube main body is provided with a second pin, and the right side of the bottom end of the MOS tube main body is provided with a third pin;

the inside of fixed head bottom is provided with the slot, the inside of fixed head is run through and is provided with the screw hole, the inside on first pin, third pin and second pin top is run through respectively and is provided with the hole, the front end of fixed head is provided with connecting bolt.

Preferably, the connecting bolt is provided with external threads on the outer portion, and the first pin is provided with internal threads matched with the external threads on the inner portion.

Preferably, the outside of MOS pipe main part front end is provided with outer guard shield, the top and the bottom of outer guard shield both sides are provided with the connecting screw respectively, the inside of fixed block one side is provided with the screw.

Preferably, the fixing blocks are symmetrically arranged about the vertical center line of the MOS tube main body.

Preferably, the inside of four corners in protecgulum front end is provided with the dismouting pole in a run through respectively, the inside of four corners in MOS pipe main part front end is provided with the preformed hole respectively.

Preferably, the outer part of the dismounting rod is provided with external threads.

Compared with the prior art, the utility model has the beneficial effects that: the MOS tube with the electrostatic protection function not only realizes that the pin assembly is convenient to disassemble, assemble and replace, realizes that the outside of the MOS tube is convenient to protect, but also realizes that the inside of the MOS tube is convenient to disassemble, assemble and overhaul;

(1) Through being provided with fixed head, slot, first pin, third pin, second pin, screw hole and hole, the MOS pipe is in the in-process of using, when first pin and second pin or the third pin that the bottom set up appear damaging, can be through corresponding after outwards unscrewing the connecting bolt that the fixed head front end set up from the inside of screw hole and hole, can dismantle the first pin or the third pin etc. that fracture damaged from the bottom of MOS pipe main part, later correspond the damaged pin of replacement and reinstallate can, facilitate the use, be convenient for carry out dismouting replacement to the pin subassembly;

(2) Through being provided with outer guard shield, MOS pipe main part, connecting screw, fixed block and screw, the MOS pipe can be through at the outside front end of MOS pipe main part when installing and using, after the front end outside the MOS pipe main part with outer guard shield card, rethread respectively uses the connecting screw to run through in the outer guard shield and corresponding screw in to the inside of screw at the top and bottom of outer guard shield both sides, can fix the front end outside the MOS pipe main part with outer guard shield, can carry out outside anticollision protection to the outside front end of MOS pipe through the MOS pipe main part that sets up;

(3) Through being provided with MOS pipe main part, protecgulum, dismouting pole and preformed hole, the MOS pipe is when using, can be through the dismouting pole that will set up respectively in four corners of protecgulum front end correspond to back from the preformed hole to unscrewing, can be followed the protecgulum and unpick out from the front end of MOS pipe main part, after opening the inside of MOS pipe main part, can be convenient for overhaul the operation to the inside of MOS pipe.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is an enlarged schematic side view of the stationary head of the present utility model;

FIG. 3 is an enlarged partial cross-sectional schematic top view of the outer shroud of the present utility model;

fig. 4 is a schematic top view partially in section of an enlarged structure of the detachable rod of the present utility model.

In the figure: 1. a first pin; 2. a slot; 3. a fixed head; 4. a fixed block; 5. a MOS tube main body; 6. an ESD chip; 7. a front cover; 8. a mounting plate; 9. a through hole; 10. disassembling and assembling the rod; 11. a connecting bolt; 12. a third pin; 13. a second pin; 14. a threaded hole; 15. an inner bore; 16. an outer shield; 17. a connecting screw; 18. a screw hole; 19. and (5) reserving holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, the MOS tube with the electrostatic protection function includes a MOS tube body 5, a front cover 7 is disposed at a front end of the MOS tube body 5, a first pin 1 is disposed at a left side of a bottom end of the MOS tube body 5, fixing heads 3 are respectively fixed at two sides and a middle position of the bottom end of the MOS tube body 5, fixing blocks 4 are respectively fixed at top ends and bottom ends of two sides of the MOS tube body 5, an ESD chip 6 is disposed in the MOS tube body 5, a mounting plate 8 is fixed at a top end of the MOS tube body 5, a through hole 9 is disposed in the mounting plate 8 in a penetrating manner, a second pin 13 is disposed at a middle position of the bottom end of the MOS tube body 5, and a third pin 12 is disposed at a right side of the bottom end of the MOS tube body 5;

the inside of the bottom end of the fixed head 3 is provided with a slot 2, the inside of the fixed head 3 is provided with a threaded hole 14 in a penetrating way, the inside of the top ends of the first pin 1, the third pin 12 and the second pin 13 are respectively provided with an inner hole 15 in a penetrating way, the front end of the fixed head 3 is provided with a connecting bolt 11, the outside of the connecting bolt 11 is provided with external threads, and the inside of the first pin 1 is provided with internal threads matched with the external threads;

specifically, as shown in fig. 1 and 2, when the first pin 1 and the second pin 13 or the third pin 12 arranged at the bottom are damaged, the first pin 1 or the third pin 12 damaged by breaking, etc. can be detached from the bottom of the MOS tube main body 5 by correspondingly screwing out the connecting bolt 11 arranged at the front end of the fixing head 3 from the threaded hole 14 and the inner hole 15, and then the damaged pin can be reinstalled correspondingly.

Example 2: an outer shield 16 is arranged outside the front end of the MOS tube main body 5, connecting screws 17 are respectively arranged at the top and the bottom of two sides of the outer shield 16, screw holes 18 are arranged inside one side of the fixed block 4, and the fixed block 4 is symmetrically arranged about the vertical center line of the MOS tube main body 5;

specifically, as shown in fig. 1 and 3, after the outer shield 16 is clamped at the front end of the MOS tube main body 5, the outer shield 16 can be fixed at the front end of the MOS tube main body 5 to protect the front end of the MOS tube by penetrating the outer shield 16 through the top ends and the bottom ends of the two sides of the outer shield 16 by using the connecting screws 17 and screwing into the screw holes 18 correspondingly.

Example 3: the inside of four corners of the front end of the front cover 7 is respectively provided with a disassembly and assembly rod 10 in a penetrating way, the inside of four corners of the front end of the MOS tube main body 5 is respectively provided with a preformed hole 19, and the outside of the disassembly and assembly rod 10 is provided with external threads;

specifically, as shown in fig. 1 and fig. 4, after the set dismounting rods 10 are screwed out from the reserved holes 19 correspondingly at the four corners of the front end of the front cover 7, the front cover 7 can be dismounted from the front end of the MOS tube main body 5, and the inside of the MOS tube main body 5 is overhauled after being opened.

Working principle: when the MOS tube is used, the first pin 1 and the second pin 13 or the third pin 12 arranged at the bottom of the MOS tube main body 5 are damaged, the connecting bolt 11 correspondingly arranged at the front end of the fixing head 3 can be screwed out of the threaded hole 14 and the inner part of the inner hole 15 to detach the broken first pin 1 or the third pin 12 from the bottom of the MOS tube main body 5, and then the damaged pin is correspondingly replaced for reinstallation, meanwhile, when the MOS tube is installed and used, the outer shield 16 can be clamped at the front end of the outside of the MOS tube main body 5, and then the connecting screws 17 respectively penetrate through the outer shield 16 at the top end and the bottom end of two sides of the outer shield 16 and correspondingly to the inside of the screw hole 18, so that the outer shield 16 can be fixed at the front end of the outside of the MOS tube main body 5, the front end of the MOS tube can be protected, and the MOS tube can be detached from the front end of the MOS tube main body 5 by respectively arranging four front ends at the front cover 7 to detach the front end of the inside of the MOS tube main body 5, and then detaching the MOS tube main body 5 can be detached from the front end of the inside of the MOS tube main body 5.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. MOS pipe with electrostatic protection function, including MOS pipe main part (5), its characterized in that: the front end of the MOS tube main body (5) is provided with a front cover (7), the left side of the bottom end of the MOS tube main body (5) is provided with a first pin (1), two sides and the middle position of the bottom end of the MOS tube main body (5) are respectively fixed with a fixing head (3), the top end and the bottom end of two sides of the MOS tube main body (5) are respectively fixed with a fixing block (4), the inside of the MOS tube main body (5) is provided with an ESD chip (6), the top end of the MOS tube main body (5) is fixed with a mounting plate (8), the inside of the mounting plate (8) is provided with a through hole (9) in a penetrating way, the middle position of the bottom end of the MOS tube main body (5) is provided with a second pin (13), and the right side of the bottom end of the MOS tube main body (5) is provided with a third pin (12);

the inside of fixed head (3) bottom is provided with slot (2), the inside of fixed head (3) runs through and is provided with screw hole (14), the inside on first pin (1), third pin (12) and second pin (13) top runs through respectively and is provided with hole (15), the front end of fixed head (3) is provided with connecting bolt (11).

2. The MOS transistor with electrostatic protection function according to claim 1, wherein: the outer portion of the connecting bolt (11) is provided with external threads, and the inner portion of the first pin (1) is provided with internal threads matched with the external threads.

3. The MOS transistor with electrostatic protection function according to claim 1, wherein: the MOS tube comprises a MOS tube body (5), wherein an outer shield (16) is arranged outside the front end of the MOS tube body, connecting screws (17) are respectively arranged at the top and the bottom of two sides of the outer shield (16), and screw holes (18) are formed in one side of the fixed block (4).

4. The MOS transistor with electrostatic protection function according to claim 1, wherein: the fixed blocks (4) are symmetrically arranged about the vertical center line of the MOS tube main body (5).

5. The MOS transistor with electrostatic protection function according to claim 1, wherein: the inside of four corners in protecgulum (7) front end runs through respectively and is provided with dismouting pole (10), the inside of four corners in MOS pipe main part (5) front end is provided with preformed hole (19) respectively.

6. The MOS transistor with electrostatic protection according to claim 5, wherein: external threads are arranged on the outer portion of the dismounting rod (10).