CN102340071A

CN102340071A - Power supply unit shell

Info

Publication number: CN102340071A
Application number: CN2010102379211A
Authority: CN
Inventors: 李伟强; 邓敏之
Original assignee: Acbel Electronics Dongguan Co Ltd
Current assignee: Acbel Electronics Dongguan Co Ltd
Priority date: 2010-07-27
Filing date: 2010-07-27
Publication date: 2012-02-01
Anticipated expiration: 2030-07-27
Also published as: CN102340071B

Abstract

The invention discloses a power supply unit shell. The power supply unit shell comprises a first shell and a second shell which have a U-shaped sheet shape and comprise a middle section and two wing sections respectively; the parts, close to two side end edges, of inner side surfaces of the two wing sections of the first shell are provided with a positioning groove respectively and the inner side surfaces are provided with two convex ribs arranged between two positioning grooves; an inner baffle block is protruded on each convex rib facing the adjacent positioning groove; the second shell is sleeved on the first shell; the two wing sections of the second shell are arranged on the middle section of the first shell and on one of the side end edges of the two wing sections of the first shell, and positioning bumps which are clamped in the positioning grooves of the two wing sections of the first shell are protruded on the two wing sections of the second shell; an outer baffle block which is positioned between the inner baffle block and the wing section of the first shell, is pressed against the inner baffle block and corresponds to each convex rib is protruded on the inner side surfaces of the two wing sections of the second shell respectively; and as the positioning bumps are clamped in the positioning grooves and the inner baffle blocks are pressed against the outer baffle blocks, a phenomenon that the first shell and the second shell are separated from each other under the action of external force can be avoided.

Description

The power supply unit shell

Technical field

The present invention relates to a kind of power supply unit, refer in particular to the shell of power supply unit.

Background technology

Power supply unit is a kind of power supply change-over device, is mainly used in source power supply converted into to be fit to the power supply that various electric equipment products are used, modal for example have convert alternating current into direct current.

Referring to Fig. 4 and shown in Figure 5; Be the shell of the power supply unit of a prior art; It has one first housing 40 and one second housing 50, and this first housing 40 and second housing 50 all are the U type, has a

stage casing

41,51 and two

wing panels

42,52 respectively; First housing 40 and second housing 50 and with the mutual fit of openend; Thereby be surrounded by an accommodation space 60, this accommodation space 60 is in order to being provided with like transformer or rectifier (not shown) or the like assembly, and this first housing 40 and second housing 50 can not separate because of pressurized in order behind fit, to locate each other; Two wing panels, 42 ora terminalis places at first housing 40 are concaved with positioning ditch 421; Then correspondence is provided with locating convex block 521 at two wing panels, the 52 ora terminalis places of second housing 50, snaps in the positioning ditch 421 by this locating convex block 521, can reach to make first housing 40 and second housing 50 purposes of location each other.

Yet; Because first housing 40 and second housing 50 of the shell of above-mentioned prior art all are the U type; Its two

wing panel

42,52 has pliability, when pressurized, bends easily, once

wing panel

42,52 pressurizeds of the either side of a certain housing and towards accommodation space 60 inner bendings; Two

wing panels

42,52 that this

wing panel

42,52 just can be pushed another housing are opened it; And adopt the shell of aforementioned location structure design, during two wing panels, 42 pressurizeds of its first housing 40, because the locating convex block 521 on two wing panels 52 of second housing 50 snaps in the positioning ditch 421 of first housing 40; Can stop two wing panels 52 of second housing 50 to be opened toward the outer side; Therefore second housing 50 can't break away from first housing 40, but when two wing panels, 52 pressurizeds of second housing 50, aforesaid location structure also can't stop two wing panels 42 of first housing 40 to be opened toward the outer side; Therefore the power supply unit shell of this prior art has between first housing 40 and second housing 50 fixing not firm, easy in use because of receiving the external force effect shortcoming of disengaging each other.

Summary of the invention

Because the shortcoming that existing first housing of power supply unit shell of aforementioned prior art and second housing break away from easily each other, the present invention's expectation solves by the location structure between improvement first housing and second housing.

For reaching the foregoing invention purpose, technological means used in the present invention is to provide a kind of power supply unit shell, and it includes:

One first housing; It is the U matrix shape that includes one first stage casing and two first wing panels and has a medial surface and a lateral surface; Wherein be provided with a location chase respectively adjacent to both sides ora terminalis place on the medial surface of these two first wing panels; And be respectively equipped with two fins on the medial surface of these two first wing panels, this two fin on each first wing panel and is equipped with an internal stop towards adjacent positioning ditch on each fin between two positioning ditch;

One second housing; It is the U matrix shape that includes one second stage casing and two second wing panels and has a medial surface and a lateral surface; Second housing and the mutual fit of first housing; Its two second wing panel is provided with first stage casing that is positioned at first housing and a wherein side edge place of two first wing panels respectively; Locating convex block in the positioning ditch that is sticked on two first wing panels is equipped with at the ora terminalis place of two second wing panels respectively, and be equipped with an outer baffle block in each fin that corresponds respectively on the medial surface of two second wing panels on two first wing panels, each outer baffle block lay respectively between internal stop and first wing panel of corresponding fin and with this internal stop and connect.

Preferable; Power supply unit shell of the present invention; Can be respectively equipped with a location chase adjacent to both sides ora terminalis place on the medial surface in first stage casing of its first housing, and the locating convex block in the positioning ditch that is sticked on this first stage casing can be equipped with respectively in the ora terminalis place of two second wing panels of described second housing.

Preferable, power supply unit shell of the present invention can be provided with a through hole on its first housing, and can be provided with at least two inserted sheets on second housing, perhaps can be provided with at least two inserted sheets on its first housing, and can be provided with a through hole on second housing.

Power supply unit shell of the present invention has the positioning ditch identical with the shell of prior art and the location structure of locating convex block; And further increased the location structure of internal stop and outer baffle block; Therefore behind first housing and the mutual fit of second housing; Except the shell of second housing and prior art equally can break away from first housing, because the internal stop of the fin on two first wing panels of first housing is connected on the internal stop of second housing, two first wing panels that can stop first housing were towards opening the direction bending; Even so two second wing panel pressurizeds of second housing; First housing can thereby not break away from second housing yet, and hence one can see that, and power supply unit shell of the present invention is comparatively firm, takes place even receive the external force effect not have the phenomenon that first housing and second housing break away from each other yet.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the present invention;

Fig. 2 is an amplification view of the present invention;

Fig. 3 is the amplification view of another angle of the present invention;

Fig. 4 is the outside drawing of prior art; And

Fig. 5 is the generalized section of prior art.

Embodiment

Below cooperate graphic and of the present invention preferred embodiment, further setting forth the present invention is to reach the technological means that predetermined goal of the invention is taked.

Referring to Fig. 1 and shown in Figure 2, power supply unit shell of the present invention includes one first housing 10 and one second housing 20, wherein:

This first housing 10 is the U matrix shape that includes one first stage casing 11 and two first wing panels 12 and has a medial surface 101 and a lateral surface 102; Be provided with a location chase 111,121 respectively adjacent to both sides ora terminalis place on the medial surface 101 of this first stage casing 11 and these two first wing panels 12; And be respectively equipped with two fins 122 on the medial surface of these two first wing panels 12, this two fin 122 on each first wing panel 12 and is equipped with an internal stop 123 towards adjacent positioning ditch 121 on each fin 122 between two positioning ditch 121; In addition; Run through being provided with a through hole 103 on first housing 10, these through hole 103 usefulness are passed for lead, and through hole 103 can be positioned on first stage casing 11 or first wing panel 12; In present embodiment, through hole 103 is to be located on first wing panel 12;

This second housing 20 is the U matrix shape that includes one second stage casing 21 and two second wing panels 22 and has a medial surface 201 and a lateral surface 202; Wherein locating convex block 221 is equipped with at the ora terminalis place of this two second wing panel 22 respectively, and on the medial surface of two second wing panels 22, is equipped with an outer baffle block 222 respectively, in addition; Second housing 20 is provided with at least two inserted sheets 203; Those inserted sheets 203 are in order to be inserted in the jack on the socket, and the quantity of inserted sheet 203 can change according to the pairing socket kind of power supply unit, and inserted sheet 203 can be positioned on second stage casing 21 or second wing panel 22; Second housing 20 is provided with two inserted sheets 203 in present embodiment; And two inserted sheets 203 are to be located on second stage casing 21, and in addition, through hole 103 also can be exchanged with the position of inserted sheet 203 each other; That is through hole 103 can be arranged on second housing 20, and inserted sheet 203 then is arranged on first housing 10;

Cooperation is referring to shown in Figure 3; Aforementioned first housing 10 and second housing 20 are with the mutual fit of openend; Be formed with an accommodation space 30 thereby surround; This accommodation space 30 is in order to be provided with like transformer or rectifier (not shown) or the like assembly; First housing 10 and second housing, 20 covers are fashionable; Two second wing panels 22 of second housing 20 are to lay respectively at first stage casing 11 of first housing 10 and a wherein side edge place of two first wing panels 12; And the locating convex block 221 at the ora terminalis place of two second wing panels 22 is sticked in first stage casing 11 and the positioning ditch 111,121 on two first wing panels 12 of first housing 10, and each outer baffle block 222 on the medial surface 201 of two second wing panels 22 corresponds respectively to the fin 122 on two first wing panels 12 of first housing 10, and each outer baffle block 222 is between the internal stop 123 of the fin 122 of correspondence and first wing panel 12 and with this internal stop 123, to connect.

Behind first housing 10 of power supply unit shell of the present invention and second housing, the 20 mutual fits; If two first wing panels, 12 pressurizeds of first housing 10; Then since the locating convex block 221 on two second wing panels 22 of second housing 20 be sticked in the positioning ditch 121 of two first wing panels 12 of first housing 10; Two second wing panels 22 that can stop second housing 20 are towards opening the direction bending, and therefore, two second wing panels 22 of second housing 20 can't break away from first housing 10; Otherwise if two second wing panels, 22 pressurizeds of second housing 20; Then because the internal stop 123 of fin 122 on two first wing panels 12 of first housing 10 is connected on the outer baffle block 222 of two second wing panels 22 of second housing 20, and two first wing panels 12 that can stop first housing 10 are towards opening the direction bending, therefore first housing 10 can not break away from second housing 20 yet; Hence one can see that, and power supply unit shell of the present invention is comparatively firm, takes place even receive the external force effect also not have the phenomenon that first housing 10 and second housing 20 break away from easily each other.

The above only is preferred embodiment of the present invention; Not being that the present invention is done any pro forma restriction, though the present invention with the preferred embodiment exposure as above, yet is not in order to limit the present invention; Anyly be familiar with the professional and technical personnel; In the scope that does not break away from technical scheme of the present invention, make a little change or be modified to the equivalent embodiment of equivalent variations when the technology contents of above-mentioned announcement capable of using, be the content that does not break away from technical scheme of the present invention in every case;, all still belong in the scope of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.

Claims

1. power supply unit shell is characterized in that including:

2. power supply unit shell according to claim 1; It is characterized in that being provided with a location chase respectively adjacent to both sides ora terminalis place on the medial surface in first stage casing of described first housing, and the locating convex block in the positioning ditch that is sticked on this first stage casing is equipped with at the ora terminalis place of two second wing panels of described second housing respectively.

3. power supply unit shell according to claim 1 and 2, wherein said first housing is provided with a through hole, and described second housing is provided with at least two inserted sheets.

4. power supply unit shell according to claim 1 and 2, wherein said first housing is provided with at least two inserted sheets, and described second housing is provided with a through hole.