CN207691671U - A kind of brick DC/DC power module shells - Google Patents

Abstract

The utility model discloses a kind of brick DC/DC power module shells, it is related to technical field of electronic device, contact pin including housing main body and on housing main body, circuit board is installed inside housing main body, circuit board bottom is equipped with multiple pins, the sidewall upper of the inserting column of contact pin stretches out card and shrapnel upwards, card and shrapnel are oppositely arranged, and card is located at the top of shrapnel, there is card slot on the side of the pin of circuit board, after circuit board is mounted on housing main body inside, pin lower end supports on shrapnel, card is connected in card slot, circuit board to be stably fixed inside the housing main body, simply welding is only needed to can reach good stability after the completion, improve the quality of power module.

Description

A kind of brick DC/DC power module shells

Technical field

The utility model is related to technical field of electronic device, more particularly to a kind of brick DC/DC power module shells.

Background technology

Brick power module shell has many advantages, such as at low cost, anti-flammability and heat-resist, and contact pin is generally as module Input/output port, therefore contact pin and shell are widely used in the encapsulation of various modules.

DC/DC power modules include mainly shell and the circuit board inside shell at present, are drawn on circuit board Pin is electrically connected with the contact pin for stretching into enclosure by welding.Due to narrow space in shell, welding operation is not It is easy, once the bad module that easily causes of welding quality is scrapped.

Utility model content

The utility model embodiment provides a kind of brick DC/DC power module shells, can solve to deposit in the prior art The problem of.

The utility model provides a kind of brick DC/DC power module shells, including housing main body and is fixedly mounted on institute State multiple contact pins on housing main body bottom surface, the housing main body is hollow shell, inside circuit board, the circuit are installed The bottom of plate is installed with multiple pins, and the contact pin includes inserting column, card and shrapnel, and the inserting column upper end is located at described outer Shell body interior, lower end are located at outside the housing main body, and the sidewall upper of the inserting column stretches out the card and shrapnel upwards, The card and shrapnel are oppositely arranged, and the card is located at the top of the shrapnel；

There is the pin of the circuit board card slot, the circuit board to be mounted on the housing main body on the side of lower end Behind inside, the pin lower end supports on the shrapnel, and the card is connected in the card slot, and the circuit board is steady Surely it is fixed on inside the housing main body.

Preferably, the housing main body includes head cover and pedestal, the inside sidewalls of the head cover have upper hook, the bottom The side-wall outer side of seat has lower draw-bar, and the upper hook is connected on the lower draw-bar is fixed on the pedestal top by the head cover On face.

Preferably, each contact pin is fixed on by one group of fixation kit on the bottom surface of the pedestal.

Preferably, fixation kit described in every group includes upper fixed column and lower fixed column, fixed column is fixedly mounted on It on the lateral wall of the inserting column, and is inserted on bottom surface from the chassis interior with the inserting column, and fixed column It is inserted on one end side wall of the base end face and offers buckling groove, the lower fixed column is actively socketed on the outside of the inserting column On wall, and be inserted on bottom surface from the base exterior, and the lower fixed column be inserted into one end side wall of the base end face On offer and the matched clamping bar of the buckling groove.

A kind of brick DC/DC power module shells provided by the utility model, including housing main body and be mounted on shell master Contact pin on body is equipped with circuit board inside housing main body, and circuit board bottom is equipped with multiple pins, the side wall of the inserting column of contact pin Card and shrapnel are stretched out in upper end upwards, and card and shrapnel are oppositely arranged, and card is located at the top of shrapnel, the pin of circuit board After there is card slot, circuit board to be mounted on housing main body inside on side, pin lower end supports on shrapnel, and card is connected to card slot In, circuit board is stably fixed inside the housing main body, simply welding is only needed to can reach good stabilization after the completion Property, improve the quality of power module.

Description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other drawings may also be obtained based on these drawings.

Fig. 1 is a kind of structural schematic diagram for brick DC/DC power module shells that the utility model embodiment provides；

Fig. 2 is longitudinal section schematic diagram of the power module with Fig. 1 middle casings；

Fig. 3 is the structural schematic diagram of fixation kit in Fig. 2.

Reference sign：

100- housing main bodies, 110- head covers are linked up on 111-, 120- pedestals, 121- lower draw-bars, 200- contact pins, and 210- is inserted Column, 220- cards, 230- shrapnels, 300- circuit boards, 310- pins, the upper fixed columns of 400-, 401- upper fixed links are fixed on 402- Piece, 403- buckling grooves, fixed column under 410-, fixed link under 411-, fixinig plate under 412-, 413- are clamped bar.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

Referring to FIG. 1, FIG. 2 and FIG. 3, a kind of brick DC/DC power module shells are provided in the utility model embodiment, are wrapped The multiple contact pins 200 for including housing main body 100 and being fixedly mounted on 100 bottom surface of the housing main body, the housing main body 100 are Hollow shell, inside circuit board 300 is installed, the bottom of the circuit board 300 is installed with multiple pins 310, described Contact pin 200 includes inserting column 210, card 220 and shrapnel 230, and 210 upper end of the inserting column is located inside the housing main body 100, under End is located at outside the housing main body 100, and the sidewall upper of the inserting column 210 stretches out the card 220 and shrapnel 230 upwards, The card 220 and shrapnel 230 are oppositely arranged, and the card 220 is located at the top of the shrapnel 230.

There is the pin 310 of the circuit board 300 card slot, the circuit board 300 to be mounted on institute on the side of lower end After stating 100 inside of housing main body, 310 lower end of the pin supports on the shrapnel 230, and the card 220 is connected to described In card slot, the circuit board 300 is stably fixed inside the housing main body 100.

The housing main body 100 includes head cover 110 and pedestal 120, and the inside sidewalls of the head cover 110 have upper hook 111, there is the side-wall outer side of the pedestal 120 lower draw-bar 121, the upper hook 111 to be connected to institute on the lower draw-bar 121 Head cover 110 is stated to be fixed on 120 top surface of the pedestal.In the present embodiment, the upper hook 111 is along 110 side of the head cover Length direction extend, it is described it is upper hook 111 length be less than 110 side of the head cover length, and be located at the head cover 110 The medial surface both ends in the center of side, i.e., described 110 side wall of head cover do not have the upper hook 111, to avoid in top cover sidewall Corner can not be by linking up with the problem of connecting, and the case where 121 situation of lower draw-bar on the pedestal 120 is with upper hook is identical. After the head cover 110 and pedestal 120 are connected by upper hook 111 and lower draw-bar 121, then in junction spreading glue to ensure Connection is more firm.

Each contact pin 200 is fixed on by one group of fixation kit on the bottom surface of the pedestal 120.It is fixed described in every group Component includes upper fixed column 400 and lower fixed column 410, and fixed column 400 is fixedly mounted on the lateral wall of the inserting column 210 On, and be inserted on bottom surface inside the pedestal 120 with the inserting column 210, and fixed column 400 be inserted into it is described Buckling groove 403 is offered on one end side wall of 120 bottom surface of pedestal, the lower fixed column 410 is actively socketed on the inserting column 210 On lateral wall, and be inserted on bottom surface outside the pedestal 120, institute and the lower fixed column 410 be inserted into 120 bottom of the pedestal It is offered on one end side wall in face and 403 matched clamping bar 413 of the buckling groove.

Fixed column 400 includes the upper fixed link 401 of cylindrical shape and is fixed on the upper of 401 one end of fixed bar Fixinig plate 402, the buckling groove 403 are located on the side wall of 401 other end of fixed bar, the clamping in the present embodiment Slot is L-type, and quantity can be multiple, be uniformly distributed circumferentially.The lower fixed column 410 includes the lower fixed link of cylindrical shape 411 and it is fixed on the lower fixinig plate 412 of described 411 one end of lower fixed link, the clamping bar 413 is located at the lower fixed link 411 On the side wall of the other end, the quantity of the clamping bar 413 is identical as the quantity of the buckling groove 403, and position corresponds.It will After clamping bar 413 in the lower fixed column 410 is inserted into the buckling groove 403 of fixed column 400, the lower fixation is rotated The two can be stably connected with by column 410 improves the stability that the contact pin 200 is installed on the pedestal 120 together.

In conclusion a kind of brick DC/DC power module shells that the utility model embodiment provides, including housing main body With the contact pin on housing main body, circuit board is installed inside housing main body, circuit board bottom is equipped with multiple pins, inserts The sidewall upper of the inserting column of needle stretches out card and shrapnel upwards, and card and shrapnel are oppositely arranged, and card is located at the top of shrapnel, After there is card slot, circuit board to be mounted on housing main body inside on the side of the pin of circuit board, pin lower end supports on shrapnel, Card is connected in card slot, and circuit board is stably fixed inside the housing main body, only needs simply to weld after the completion Reach good stability, improves the quality of power module.

Disclosed above is only several specific embodiments of the utility model, and still, the utility model embodiment is not office It is limited to this, the changes that any person skilled in the art can think of should all fall into the scope of protection of the utility model.

Claims (4)

1. a kind of brick DC/DC power module shells, including housing main body (100) and it is fixedly mounted on the housing main body (100) multiple contact pins (200) on bottom surface, which is characterized in that the housing main body (100) is hollow shell, internal installation There are circuit board (300), the bottom of the circuit board (300) to be installed with multiple pins (310), the contact pin (200) includes Inserting column (210), card (220) and shrapnel (230), inserting column (210) upper end are located at the housing main body (100) inside, under End is located at the housing main body (100) outside, and the sidewall upper of the inserting column (210) stretches out the card (220) and bullet upwards Piece (230), the card (220) and shrapnel (230) are oppositely arranged, and the card (220) is located at the upper of the shrapnel (230) Side；

There is the pin (310) of the circuit board (300) card slot, the circuit board (300) to be mounted on the side of lower end Behind housing main body (100) inside, pin (310) lower end supports on the shrapnel (230), the card (220) It is connected in the card slot, it is internal that the circuit board (300) is stably fixed at the housing main body (100).

2. brick DC/DC power module shells as described in claim 1, which is characterized in that the housing main body (100) includes The inside sidewalls of head cover (110) and pedestal (120), the head cover (110) have upper hook (111), the side of the pedestal (120) There is lower draw-bar (121), the upper hook (111) to be connected on the lower draw-bar (121) head cover (110) are solid on the outside of wall It is scheduled on the pedestal (120) top surface.

3. brick DC/DC power module shells as claimed in claim 2, which is characterized in that each contact pin (200) passes through One group of fixation kit is fixed on the bottom surface of the pedestal (120).

4. brick DC/DC power module shells as claimed in claim 3, which is characterized in that fixation kit includes described in every group Upper fixed column (400) and lower fixed column (410), fixed column (400) are fixedly mounted on the lateral wall of the inserting column (210) On, and be inserted on bottom surface inside the pedestal (120) with the inserting column (210), and fixed column (400) is inserted Enter and offer buckling groove (403) on one end side wall of the pedestal (120) bottom surface, the lower fixed column (410) is actively socketed on It on the lateral wall of the inserting column (210), and is inserted on bottom surface outside the pedestal (120), institute and the lower fixed column (410) it is inserted on one end side wall of pedestal (120) bottom surface and offers and the matched clamping bar of the buckling groove (403) (413)。