CN221407285U - Medium-low voltage groove type MOS device - Google Patents

Abstract

The utility model discloses a medium-low voltage groove type MOS device, which comprises an MOS device, wherein a protective shell for covering pins is arranged at the lower end of the MOS device, strip-shaped openings for the pins to pass through are arranged in front of the protective shell, a connecting plate is vertically arranged at the rear of the protective shell, and the upper end of the connecting plate is fixed on the top surface of the MOS device through a hinge piece. The utility model has simple structure, can effectively protect the pins through the protective shell, avoids the bending or breaking condition before use, and can rotate upwards to form a handheld structure, thereby increasing the contact area with hands and better carrying out handheld operation.

Description

Medium-low voltage groove type MOS device

Technical Field

The utility model relates to the technical field of MOS devices, in particular to a medium-low voltage trench type MOS device.

Background

The trench power MOS device has the characteristics of high integration level, low on-resistance, high switching speed and small switching loss, and has comprehensively replaced a planar power MOS device in the application fields of low voltage and medium voltage, so that the trench power MOS device becomes the main stream of the power MOS device.

In use, the existing MOS device is small in size, when a worker holds the MOS device to operate in a small disassembly and assembly mode, the situation that the MOS device falls off and influences the disassembly and assembly progress is often caused by hand sliding, and the pin is protected in a lacking mode, and the pin is bent or broken due to impact before the use, so that the follow-up installation and quality are affected.

Disclosure of utility model

The utility model aims to solve the technical problem of providing a medium-low voltage groove type MOS device, which can effectively protect pins through a protective shell and can rotate upwards to form a handheld structure, so that the problems mentioned in the background art are solved.

The utility model is realized by the following technical scheme: the utility model provides a well low pressure slot type MOS device, includes the MOS device, the lower extreme of MOS device is equipped with the protective housing that covers the pin, and the place ahead of protective housing is just to pin department all be equipped with the bar mouth that supplies the pin to pass, and the connecting plate is installed perpendicularly at the rear of protective housing, and the connecting plate upper end is fixed in on the top surface of MOS device through the articulated elements.

As the preferable technical scheme, all be equipped with the polylith in the bar mouth with the sealing strip of bar mouth cover, the opposite face, top surface and the bottom surface of sealing strip all are not connected with the internal face of bar mouth, and the opposite terminal surface of sealing strip all adheres to be fixed in on the internal face of bar mouth, and the sealing strip is made by rubber material.

As the preferable technical scheme, the upper end of the connecting plate is outwards bent to form a fixing part, a plurality of clamping blocks are formed on the top surface of the fixing part in a protruding mode, and a plurality of clamping grooves matched with the clamping blocks are formed on the top surface of the MOS device.

As the preferable technical scheme, the inner side face of the rear plate is just protruding to the through hole above the MOS device to form an inserting part, the inserting part is inserted into the through hole, a plurality of limiting parts are formed on the outer ring face of the inserting part in a protruding mode, the inner diameter of the outer ring of the limiting parts protrudes out of the through hole to be arranged, and a gap for the inserting part to move out outwards is formed between the inserting part and the through hole.

As the preferable technical scheme, the protective housing is supported by insulating plastic material, and the outer wall surface of protective housing and the outer wall surface parallel and level setting of MOS device.

As the preferable technical scheme, one side surface of the limiting part is abutted against the inner wall surface of the MOS device, and the limiting part faces one end surface of the MOS device to form the diversion part with an arc-shaped structure.

The beneficial effects of the utility model are as follows: the utility model has simple structure, can effectively protect the pins through the protective shell, avoids the bending or breaking condition before use, and can rotate upwards to form a handheld structure, thereby increasing the contact area with hands and better carrying out handheld operation.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a rear view of the present utility model;

FIG. 3 is a schematic view of the structure of the present utility model after removal of the sealing tape.

1, An MOS device; 2. a protective shell; 3. a sealing strip; 4. an insertion section; 5. a limit part; 6. a clamping groove; 7. a clamping block; 8. a fixing part; 9. a connecting plate; 11. a strip-shaped opening.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.

As shown in fig. 1, fig. 2 and fig. 3, the medium-low voltage trench type MOS device of the present utility model comprises a MOS device 1, wherein a protective housing 2 covering pins is provided at the lower end of the MOS device 1, strip-shaped openings 11 through which pins pass are provided at the front of the protective housing 2 for the pins, a connecting plate 9 is vertically installed at the rear of the protective housing 2, and the upper end of the connecting plate 9 is fixed on the top surface of the MOS device 1 through a hinge; the MOS device is a medium-low voltage groove type MOS device.

In this embodiment, all be equipped with the polylith in the bar mouth 11 and cover the sealing strip 3 of bar mouth 11, the opposite face, top surface and the bottom surface of sealing strip 3 all are not connected with the internal face of bar mouth 11, and the opposite terminal surface of sealing strip 3 all adheres to be fixed in on the internal face of bar mouth 11, and sealing strip 3 is made by rubber material.

In this embodiment, the upper end of the connecting plate 9 is bent outwards to form a fixing portion 8, a plurality of clamping blocks 7 are formed on the top surface of the fixing portion 8 in a protruding mode, and a plurality of clamping grooves 6 matched with the clamping blocks 7 are formed on the top surface of the mos device 1.

In this embodiment, the inner side of the back plate is just protruding to the through hole department above the MOS device 1 and forms the insert part 4, and insert part 4 all inserts in the through hole, all protrudes on the outer lane face of insert part 4 and forms a plurality of spacing parts 5, and the internal diameter setting of the outer lane protrusion through hole of spacing part 5, and forms the space that supplies insert part 4 outwards to shift out between insert part 4 and the through hole, because there is the space between insert part and the through hole for when the connecting plate uses the articulated elements to outwards rotate as the center, insert part can be smooth from the through hole roll out, has avoided the card owner.

In this embodiment, protective housing 2 is supported by insulating plastic material, and the outer wall of protective housing 2 sets up with the outer wall parallel and level of MOS device 1, has reduced weight, and the cost reduces, and the outside is also level, has made things convenient for depositing.

In this embodiment, a side surface of the limiting portion 5 abuts against an inner wall surface of the MOS device 1, and the limiting portion 5 faces an end surface of the MOS device 1 to form a diversion portion with an arc structure, and when the limiting portion rotates outwards, the limiting portion can smoothly pass through the through hole through the diversion portion, so that the connecting plate can rotate upwards.

When the pin is not used, the pin can be covered through the protective shell because the protective shell is arranged outside the pin, so that the pin is prevented from being impacted by the outside, the safety is improved, and the pin is prevented from being bent or broken due to the impact;

When the novel MOS device is used, the protective shell can be rotated outwards by taking the hinge part as the center, pins can pass through the sealing strips in a manner of pushing the sealing strips in the rotating process, after the connecting plate rotates to the upper side, the clamping blocks on the fixing parts can be inserted into the clamping grooves, and the connecting plate and the protective shell can be fixed above the MOS device in a clamping manner, so that a handheld structure is formed above the MOS device, the contact area with hands is increased, and the handheld operation can be better performed.

The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.

Claims (6)

1. A medium-low voltage groove type MOS device is characterized in that: including MOS device (1), the lower extreme of MOS device (1) is equipped with protective housing (2) with the pin cover, and the place ahead of protective housing (2) all is equipped with bar mouth (11) that supply the pin to pass to pin department, and connecting plate (9) are installed perpendicularly at the rear of protective housing (2), and connecting plate (9) upper end is fixed in on the top surface of MOS device (1) through the articulated elements.

2. The medium-low voltage trench MOS device of claim 1, wherein: the strip-shaped opening (11) is internally provided with a plurality of sealing strips (3) covering the strip-shaped opening (11), the opposite surfaces, the top surfaces and the bottom surfaces of the sealing strips (3) are not connected with the inner wall surfaces of the strip-shaped opening (11), the opposite end surfaces of the sealing strips (3) are adhered and fixed on the inner wall surfaces of the strip-shaped opening (11), and the sealing strips (3) are made of rubber materials.

3. The medium-low voltage trench MOS device of claim 1, wherein: the upper end of the connecting plate (9) is outwards bent to form a fixing part (8), a plurality of clamping blocks (7) are formed on the top surface of the fixing part (8) in a protruding mode, and a plurality of clamping grooves (6) matched with the clamping blocks (7) are formed in the top surface of the MOS device (1).

4. The medium-low voltage trench MOS device of claim 1, wherein: the medial surface of back plate just forms insert portion (4) to the through-hole department all protrusion above MOS device (1), and insert portion (4) all inserts in the through-hole, all protrudes on the outer lane face of insert portion (4) and forms a plurality of spacing portions (5), and the internal diameter setting of the outer lane protrusion through-hole of spacing portion (5), and forms the space that supplies insert portion (4) outside to shift out between insert portion (4) and the through-hole.

5. The medium-low voltage trench MOS device of claim 1, wherein: the protective housing (2) is supported by insulating plastic material, and the outer wall of protective housing (2) and the outer wall parallel and level setting of MOS device (1).

6. The medium-low voltage trench MOS device of claim 4, wherein: one side surface of the limiting part (5) is abutted against the inner wall surface of the MOS device (1), and the limiting part (5) faces one end surface of the MOS device (1) to form a diversion part of an arc-shaped structure.