CN205282550U

CN205282550U - Charging source and power shell structure thereof

Info

Publication number: CN205282550U
Application number: CN201620061893.5U
Authority: CN
Inventors: 梁润基
Original assignee: Zhongshan Kebo Electrical Appliance Co Ltd
Current assignee: Zhongshan Kebo Electrical Appliance Co Ltd
Priority date: 2016-01-21
Filing date: 2016-01-21
Publication date: 2016-06-01
Anticipated expiration: 2026-01-21

Abstract

The utility model provides a charging source and power shell structure thereof, this power shell structure include the main part of shape, and this main part both ends opening is connected with the end cover, and this main part is including the last casing of mutually supporting and casing down, and the internal portion's bilateral symmetry parallel arrangement of this inferior valve has a draw -in groove that power supply source mainboard card put, are provided with flower shape hole site on this main part terminal surface relative with the end cover, and the hole site that should flower appears has a plurality ofly disperses the lamella leaf of describing the distribution with the hole center, and the cross -section of this lamella leaf is long and thin form. The utility model discloses innovation ground adopts flower shape hole site to design into long and thin form with the lamella leaf, the lamella leaf can be followed when the screw screw in and taken place deformation, thereby with the screw chucking, and the leaf of debating of long and thin form has the compatible space of great deformation, can realize the cooperation to the screw in certain diameter range, has reduced the chance of the situation that appears mismatching, simultaneously, the lamella leaf can with casing shaping in the lump, need not to carry on all alone again drilling processes, can not increase manufacturing cost and promote the efficiency of production.

Description

A kind of charging power supply and power shell structure thereof

Technical field

The utility model relates to a kind of charging power supply and power shell structure thereof.

Background technology

Charging power supply is the rectifying device of the charging such as store battery, lithium cell, main system is made up of power electronic devices, its body skin is generally metal section bar, the opening at two ends is closed by the end cap of irony, it is connected cooperation by screw between body skin with end end, so the end face of body skin can have been offered some screws, the aperture of these screws is that the diameter according to screw designs, aperture is crossed little meeting and is caused screw to screw in, aperture is crossed conference and is caused screw to connect tight or loose taking off, and the size pairing of screw and screw is had serious requirement by this. But, due to the product batches of screw or the difference of sources of supply in the middle of reality is produced, the diameter of screw occurs comparatively significantly gap sometimes, it is clear that the more difficult realization of the screw of fixed measure to the compatibility of different size screw, once occur that production will be caused delay by unmatched situation. In addition, screw generally need to be drilled with after body skin is shaping again, is drilled with that operation is time-consuming, trouble, and the rigidity of body skin itself is also had requirement. Such as above-mentioned citing, thus it is seen that the production of existing power shell structure, assembling existing defects, it is necessary to improvement promotes.

Practical novel content

Based on problem mentioned in background technology, the utility model proposes a kind of charging power supply and power shell structure thereof, screw compatibility coupling that novel flower-shape Screw hole structure solves existing power shell and exist, screw is adopted to hole troublesome problem, can the production efficiency of effective improving product, its technology contents is as follows:

A kind of power shell structure of the present utility model, comprise the main body of metal section bar, this main body both ends open is also connected with end cap, this main body comprises the upper housing and lower housing that cooperatively interact, the inner zygomorphy of this lower housing is arranged with the card groove that power supply source mainboard card is put in parallel, being provided with position, flower-shape hole on the end face that this main body is relative with end cap, this position, flower-shape hole has some lobe leaves with the distribution of center, hole divergent shape, and the cross section of this lobe leaf is in elongate shape.

In the middle of one or more embodiment of the present utility model, the bottom extension of this upper housing is provided with the first card edge, and the upper opening place of this lower housing is provided with the 2nd card edge coordinating this first card edge, and the bottom margin for this upper housing takes the convex edge put.

In the middle of one or more embodiment of the present utility model, the 2nd card is along having bending down.

In the middle of one or more embodiment of the present utility model, the table side of this main body is provided with some radiating fins or heat radiation fin.

In the middle of one or more embodiment of the present utility model, the face that this end cap is relative with main body is provided with cannelure, is provided with sealed strip or sealing-ring in this cannelure.

In the middle of one or more embodiment of the present utility model, this end cap is plastic end cover.

One charging power supply of the present utility model, comprise power shell, power supply mainboard and connection terminal, this power shell adopts above-mentioned power shell structure, and this power supply mainboard card is put in the card groove in power shell, the end cap of this power shell has been offered position, hole and has worn for this connection terminal.

In the middle of one or more embodiment of the present utility model, the position of this card groove, higher than the inside bottom surface of this lower housing, makes and there is space between this power supply mainboard and inside bottom surface of this lower housing.

The utility model is compared with prior art, its advantageous exists: provide that structure is simple, production and assembly housing structure easily, innovatively adopts position, flower-shape hole, lobe leaf is designed to elongate, this lobe leaf can follow generation deformation when screw screws in, thus by tight for screw card; And the leaf of debating of elongate has the compatible space of bigger deformation, it is possible to realize coordinating to the screw within the scope of certain diameter, significantly reduce the chance occurring not mating situation; Meanwhile, lobe leaf can be shaping in the lump with housing, it is not necessary to carries out drilling operating more individually, decreases trouble, can not increase production cost and improve the efficiency of production. Such as above-mentioned advantage, the utility model, no matter in technical, practicality or economy, is all the product possessing excellent performance, is applicable to promoting the use of.

Accompanying drawing explanation

Fig. 1 is the explosive view of power shell structure of the present utility model.

Fig. 2 is the A portion enlarged view of Fig. 1.

Fig. 3 is the transverse sectional view of power shell structure of the present utility model.

Fig. 4 is the B portion enlarged view of Fig. 3.

Fig. 5 is the transverse sectional view of charging power supply of the present utility model.

Embodiment

As follows by reference to the accompanying drawings, the application's scheme is further described:

FIGS 1 to accompanying drawing 4, a kind of power shell structure, comprise the main body 1 of metal section bar, this main body 1 both ends open is also connected with end cap 2, this main body 1 comprises the upper housing 11 and lower housing 12 that cooperatively interact, and the inner zygomorphy of this lower housing 12 is arranged with power supply source mainboard 3 in parallel and blocks the card groove 121 put, and the end face that this main body 1 is relative with end cap 2 is provided with position, flower-shape hole 10, this position, flower-shape hole 10 has some lobe leaves 101 with the distribution of center, hole divergent shape, and the cross section of this lobe leaf 101 is in elongate shape.

This lobe leaf 101 can follow generation deformation when screw screws in, thus by tight for screw card; And the leaf 101 of debating of elongate has the compatible space of bigger deformation, it is possible to realize coordinating to the screw within the scope of certain diameter, significantly reduce the chance occurring not mating situation; Meanwhile, lobe leaf 101 can be shaping in the lump with housing, it is not necessary to carries out drilling operating more individually, decreases trouble, can not increase production cost and improve the efficiency of production.

The bottom extension of this upper housing 11 is provided with the first card along 111, the upper opening place of this lower housing 12 be provided with coordinate this first card along 111 the 2nd card along 122, and take, for the bottom margin 112 of this upper housing 11, convex edge the 123, two card put, along 122, there is bending 122a down.

The bottom surface of this upper housing 11 is blocked formation between 111 and is engaged groove 11a with first, from the end face of lower housing 12 push away into, the 2nd card of this lower housing 12 is coordinated to realize fixing along 122 and convex edge 123, utilize bending 122a structure to realize spacing more closely simultaneously, avoid the cooperation between upper and lower casing loose.

The table side of this main body 1 is provided with some radiating fins or heat radiation fin 13, forms radiating groove 131 between two between radiating fin or heat radiation fin 13, and whole main body 1 is exactly a scatterer, meets the radiating requirements of power supply mainboard 3.

The face that this end cap 2 is relative with main body 1 is provided with cannelure 21, is provided with sealed strip or sealing-ring 4 in this cannelure 21, and this end cap 2 is plastic end cover; Traditional irony end is more turned into plastic end cover, and not only injection moulding is convenient, and is connected cooperation between plastic end cover with main body and also can accomplish more tight, and the sealed strip simultaneously arranged or sealing-ring 4, be conducive to IP(foreign body intrusion to protect) lifting of grade.

FIGS 5, a kind of charging power supply, comprise power shell, power supply mainboard 3 and connection terminal 5, this power shell adopts the power shell structure in above-described embodiment, this power supply mainboard 3 card is put in the card groove 121 in power shell, the end cap 2 of this power shell has been offered position, hole and has worn for this connection terminal 5.

The position of this card groove 121, higher than the inside bottom surface of this lower housing 12, makes and there is space 120 between this power supply mainboard 3 and inside bottom surface of this lower housing 12, the size in this space 120 according to this charging power supply EMC EMI require and design.

Above-mentioned preferred implementation should be considered as the illustration of the application's scheme implementation mode, all identical with the application's scheme, approximate or make based on this technology deduction, replacement, improvement etc., the protection domain of this patent all should be considered as.

Claims

1. a power shell structure, comprise the main body of metal section bar, this main body both ends open is also connected with end cap, it is characterized in that: this main body comprises the upper housing and lower housing that cooperatively interact, the inner zygomorphy of this lower housing is arranged with the card groove that power supply source mainboard card is put in parallel, being provided with position, flower-shape hole on the end face that this main body is relative with end cap, this position, flower-shape hole has some lobe leaves with the distribution of center, hole divergent shape, and the cross section of this lobe leaf is in elongate shape.

2. power shell structure according to claim 1, it is characterized in that: the bottom extension of this upper housing is provided with the first card edge, the upper opening place of this lower housing is provided with the 2nd card edge coordinating this first card edge, and the bottom margin for this upper housing takes the convex edge put.

3. power shell structure according to claim 2, it is characterised in that: the 2nd card is along having bending down.

4. power shell structure according to claim 1, it is characterised in that: the table side of this main body is provided with some radiating fins or heat radiation fin.

5. power shell structure according to claim 1, it is characterised in that: the face that this end cap is relative with main body is provided with cannelure, is provided with sealed strip or sealing-ring in this cannelure.

6. power shell structure according to claim 1 to 5 any one, it is characterised in that: this end cap is plastic end cover.

7. a charging power supply, it is characterized in that: comprise power shell, power supply mainboard and connection terminal, this power shell adopts the power shell structure as described in claim 1 to 6 any one, this power supply mainboard card is put in the card groove in power shell, the end cap of this power shell has been offered position, hole and has worn for this connection terminal.

8. charging power supply according to claim 7, it is characterised in that: the position of this card groove, higher than the inside bottom surface of this lower housing, makes and there is space between this power supply mainboard and inside bottom surface of this lower housing.