CN212367677U

CN212367677U - MOS pipe pressure strip for electric vehicle controller shell

Info

Publication number: CN212367677U
Application number: CN202021016384.3U
Authority: CN
Inventors: 梅洹
Original assignee: Chengdu Jinhuanke Technology Co ltd
Current assignee: Chengdu Jinhuanke Technology Co ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-01-15
Anticipated expiration: 2030-06-05

Abstract

The utility model discloses a MOS pipe pressure strip for electric vehicle controller shell for when solving the bolt fastening that uses prior art, cause MOS pipe plastic envelope box easily and hinder, can also reduce the problem of the perk that leads to because of MOS manufacturing error in the assembling process simultaneously, this embodiment is mainly to the electric vehicle controller shell of pipe, the structure from the top down of layering includes in proper order: roof, side bead, stabilizer blade, draw-in groove, the roof is connected with the side bead, and the draw-in groove is located the part between the top surface of side bead and stabilizer blade, and the draw-in groove inwards extends for the installation of pressure spring, fixes the MOS pipe through the pressure spring, because the area of contact of pressure spring and MOS pipe is bigger, consequently, the stress point that acts on the MOS pipe is just more just also, even, the MOS pipe back is not absolute straight, also can reduce the emergence of its perk when fixed MOS pipe, and simultaneously, it is simpler for traditional bolted connection process with the process under the MOS pipe pressure spring of pressing in, can show improvement production efficiency.

Description

MOS pipe pressure strip for electric vehicle controller shell

Technical Field

The utility model belongs to the technical field of electric motor car accessory, concretely relates to MOS pipe layering is used to electric vehicle controller shell.

Background

The electric vehicle is a vehicle using electric energy as driving force, wherein an intelligent controller is a core component of the electric vehicle, most of the intelligent controllers on the market replace original transistors through MOS (metal oxide semiconductor) tubes, MOS is a short for metal-oxide-semiconductor field effect transistor, compared with the traditional transistors, the electric vehicle has lower energy consumption, and meanwhile, the circuit structure is simpler and safer, compared with the traditional transistor transformer, the electric vehicle has the characteristics of small volume and light weight, and is suitable for different occasions; however, after the pressing strip is used for a period of time, the pressing strip is mostly made of hard alloy, and after the bolt is screwed into the threaded hole, the transverse part of the pressing strip is subjected to the force of screwing the bolt to be firmly pressed against the middle area of the MOS tube, so that the risk of nicking of the plastic package box outside the middle area of the MOS tube is easily caused; on the other hand, in the re-tightening process, only the through hole part at the top of the MOS transistor is fixed, and the pin part is a plane, and the back surface of the MOS transistor after batch processing, that is, the surface in contact with the pressing strip, is not completely flat, so that in the actual use process, when part of the MOS transistor is fastened by the bolt, the assembly and the use effect may be affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric vehicle controller is MOS pipe layering for shell not only can stabilize the MOS pipe, but also can reduce the problem that the MOS pipe leads to the perk because of the machining precision.

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

the utility model provides a MOS pipe pressure bar for electric vehicle controller shell, includes roof, side bead, stabilizer blade, draw-in groove, the roof is a straight plate, side bead, stabilizer blade, draw-in groove all have two bottom surfaces that are located the roof, and with the bottom surface central line mirror symmetry of roof, side bead installs in the roof bottom surface, and its cross sectional shape is the lug that outwards stretches out, and side bead below is provided with the stabilizer blade, and the stabilizer blade is provided with the draw-in groove with the coupling part of side bead, the draw-in groove is the groove of indent, draw-in groove and pressure spring chucking cooperation.

Furthermore, an inward concave shallow groove is formed in the outward side face of the support leg.

Further, the outermost ends of the side ribs extend downwardly a small distance, the length of the downward extension not exceeding the width of the slot opening of the slot.

The utility model discloses following beneficial effect has at least:

(1) the pressing strip is not fixed by a bolt, so that the pressing strip is not subjected to pressure generated by screwing the bolt in, and the problem that the MOS tube plastic packaging box is scratched due to hard contact with the pressing strip is avoided.

(2) The fixed MOS tube is replaced by the pressure spring, and the contact area of the pressure spring and the MOS tube is larger, so that the number of stress points acting on the MOS tube is increased, and the tilting of the MOS tube can be reduced when the MOS tube is fixed even if the back surface of the MOS tube is not absolutely straight.

(3) A clamping groove is formed in the pressing strip and used for mounting a pressure spring, and a fixing part of the pressure spring is located in the groove and cannot exceed the top plate, so that the pressure spring can be conveniently placed into a shell of the controller.

(4) The process of installing the MOS pipe in the pressure spring is simpler for the process of screwing up the bolt in prior art, and work efficiency is higher.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 schematically shows a state diagram of the use of the invention;

fig. 2 schematically shows a schematic cross-sectional structure diagram of embodiment 1 of the present invention;

fig. 3 schematically shows a partially enlarged view of a portion a in fig. 2;

fig. 4 schematically shows a schematic cross-sectional structure diagram of embodiment 2 of the present invention;

fig. 5 schematically shows a partially enlarged view of a portion B in fig. 3;

wherein the figures include the following reference numerals:

1-top plate, 2-side convex rib, 3-clamping groove and 4-support leg.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure; unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application; as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …, above," "overlying" and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures; it will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

Example 1

Fig. 1 shows a MOS tube press bar for an electric vehicle controller housing, which is used for solving the problem that a MOS tube plastic package box is easily scratched when a bolt in the prior art is used for fixing, and meanwhile, the problem of tilting caused by MOS manufacturing errors in an assembly process can be reduced, in the embodiment, the MOS tube press bar is mainly used for a 24-tube electric vehicle controller housing, and the structure of the press bar sequentially comprises from top to bottom: roof 1, side arris 2, draw-in groove 3, stabilizer blade 4, roof 1 is connected with side arris 2, and draw-in groove 3 is located the part between the top surface of side arris 2 and stabilizer blade 4, and draw-in groove 3 inwards extends for the installation of pressure spring, fix the MOS pipe through the pressure spring, because the area of contact of pressure spring and MOS pipe is bigger, consequently, the stress point that is used in on the MOS pipe just also more, even, MOS pipe back is not absolute straight, also can reduce the emergence of its perk when fixed MOS pipe, and simultaneously, the process under the pressure spring is gone into to the MOS pipe is simpler for traditional bolted connection process, can show improvement production efficiency.

As shown in fig. 2, the length of the top plate 1 is the same as that of a housing of an installed electric vehicle controller, two side protruding ridges 2, two support legs 4 and two clamping grooves 3 are installed below a bottom plate, and are in mirror symmetry with the central line of the bottom surface of the top plate 1 in fig. 2, wherein the side protruding ridges 2 are installed on the bottom surface of the top plate 1, the cross-sectional shapes of the side protruding ridges are protrusions extending in the horizontal direction, the support legs 4 are arranged below the side protruding ridges 2, and the clamping grooves 3 are formed at the connecting parts of the support legs 4 and the side protruding ridges 2, as shown in fig. 3, the clamping grooves 3 are inward concave grooves and can be regarded as formed by a certain gap left between the bottom surfaces of the side protruding ridges 2 and the top surfaces of the support legs 4; as shown in fig. 2, the support legs 4 are perpendicular to the top plate 1 and have the same extending direction as the top plate, the portion between the two support legs 4 is used for placing a cable, an inward concave shallow groove is formed in the outward side surface of each support leg 4, when the MOS tube is pressed on the outward side surface of each support leg 4 by a pressure spring, the plastic package box portion of the MOS tube is located in shallow grass, and the shallow groove can play a certain limiting role in the plastic package box portion.

It should be noted that: the outermost end of the side convex rib 2 extends downwards for a small distance, and the length of the downward extension is not more than the width of the notch of the clamping groove 3, so that the width of the notch of the clamping groove 3 is reduced, and a pressure spring installed in the clamping groove cannot be easily separated from the clamping groove.

The utility model has the advantages that the pressing strip is convenient to use, when in use, the pressure spring is firstly clamped into the clamping groove 3, then the MOS tube is put into the pressure spring and is put into the lower part of the pressure spring, the MOS tube is fixed on two sides of the support leg 4 facing outwards by the pressure of the pressure spring, the use of the pressure spring only needs to lift the pressing part of the pressure spring and put into the MOS tube, compared with the bolt fixing of the prior art, the bolt is fixed one by one, and simultaneously, the rotation is not too tight, therefore, the working efficiency can be obviously improved by adopting the pressure spring, and the pressing sheet of the pressure spring is not only one sheet, but is fixed on one MOS tube by a plurality of pressing sheets, therefore, the stress points acting on the MOS tube are more, the acting points of the pressing sheet are not the end parts of the MOS tube, but also the plastic-sealed box part on the MOS tube, and in the batch processing process, the position easily appeared on the MOS tube, in addition, the lower end of the MOS tube is fixed with the end part of the MOS tube through a bolt in the prior art, based on the lever principle, the lower end of the MOS tube is tilted by taking an uneven point on the plastic package box as a fulcrum, and in the embodiment, the adopted pressure spring is directly pressed on the plastic package box, namely directly pressing the fulcrum, so that the tilting of the MOS tube is reduced.

Example 2

The embodiment is used in an 18-tube electric vehicle controller shell, and the differences are as follows: due to the different number of tubes accommodated, the width of the top plate 1 is correspondingly reduced, so that it can be accommodated in a smaller controller housing.

As shown in fig. 4 to 5, in the present embodiment, the top surface of the side rib 2 is connected to the bottom surface of the top plate 1, and there is no gap between the connection surface of the side rib 2 and the top surface.

It should be noted that: the top plate 1, the side convex edges 2 and the support legs 4 are integrally formed and are not processed and combined respectively, so that the connection stability is improved, and the processing efficiency is improved.

Claims

1. The utility model provides a MOS pipe layering for electric vehicle controller shell which characterized in that: including roof, side bead, stabilizer blade, draw-in groove, the roof is a straight plate, side bead, stabilizer blade, draw-in groove all have two bottom surfaces that are located the roof, and with the bottom surface central line mirror symmetry of roof, the side bead is installed in the roof bottom surface, and its cross sectional shape is the lug that outwards stretches out, and side bead below is provided with the stabilizer blade, and the stabilizer blade is provided with the draw-in groove with the coupling part of side bead, the draw-in groove is the groove of indent, draw-in groove and pressure spring chucking cooperation.

2. The MOS tube pressing strip for the electric vehicle controller shell according to claim 1, wherein: the outward side surface of the support leg is provided with an inward sunken shallow groove.

3. The MOS tube pressing strip for the electric vehicle controller shell according to claim 1, wherein: the outermost end of the side convex rib extends downwards for a small distance, and the length of the downward extension does not exceed the width of the notch of the clamping groove.