CN2809942Y

CN2809942Y - Spring fixing structure for electric apparatus

Info

Publication number: CN2809942Y
Application number: CN 200520011301
Authority: CN
Inventors: 蔡明宪
Original assignee: CHANG GU CHUAN TECHNOLOGY Inc
Current assignee: CHANG GU CHUAN TECHNOLOGY Inc
Priority date: 2005-04-01
Filing date: 2005-04-01
Publication date: 2006-08-23
Anticipated expiration: 2015-04-01

Abstract

The utility model provides a spring sheet fixing structure for an electric apparatus, which relates to the structure improvement of a spring sheet used for connecting a machine casing with an electric circuit in the electric apparatus. In the spring sheet of the utility model, the connecting position of a welding part and an extending part is bent to form a concave part. A board body of a circuit board can extend into the concave part to form the joint action which enables the extending part of and the welding part of the spring sheet to be respectively pressed on the upper board surface and the lower board surface of the circuit board. The circuit board is provided with a through hole used for pouring filler metal at a joint position corresponding to the welding part of the spring sheet. When the spring sheet is combined with the circuit board, the concave part and the board body of the circuit board are connected to form a mechanical buckling function, and the spring sheet and the circuit board are glued together by the filler metal. Therefore, the fixed structure which can effectively avoid the displacement and the falling of the spring sheet is formed.

Description

The shell fragment fixture construction of electric device

Technical field

The utility model relates in the electric device to improve with the elastic piece structure that electric circuit connects mutually in order to constitute casing, aims to provide the shell fragment fixture construction that can obtain preferable strength of connection with electric circuit.

Background technology

As shown in Figure 1, be in the electric devices such as notebook computer, the elastic piece structure schematic diagram that connects mutually in order to the casing that constitutes related electric equipment (as connector etc.) and electric circuit, wherein, shell fragment 10 is to be bent to form respectively and casing (figure slightly) and circuit board 20 contacted contact site 11 and weld parts 12 by metal sheet (copper sheet) one, other has an extension 13 to be connected between contact site 11 and weld part 12, make whole shell fragment 10 become the structure kenel that contact site 11 is provided in top, weld part 12 zone, and make contact site 11 have normality maintenance elastic reaction up.

Whole shell fragment 10 is the bottom surface and circuit board 20 applyings that utilizes weld part 12 when assembling, utilizes in addition solid welding of scolder 30 again.To constitute being connected of shell fragment 10 and circuit board 20; Again; shell fragment in use; it is the pressing position that on average is laid in casing; to guarantee the stressed unanimity in each position of casing; each the relative shell fragment and the binding of electric circuit must be quite firm, close effect, can cause the phenomenon of short circuit because of the shell fragment that comes off even with the tunnel of avoiding influencing because of improper coming off casing.

Yet, the fixed effect of the shell fragment that present industry is commonly used.Many only constituted, though it can insert the purpose that zone between shell fragment and the circuit board reach the reinforcement fixed effect via increasing scolder, under the limited space of electric circuit by the cohesive action of scolder.Be not to have enough plate space of planes to use to use, therefore reduce the practicality and the applicability of similar shell fragment on the contrary for doing welding.

The utility model content

In view of this, the purpose of this utility model provides a kind of shell fragment fixture construction that can obtain preferable strength of connection with electric circuit.

The shell fragment fixture construction of the utility model electric device, promptly be bent to form a recess at the weld part of shell fragment and the joining place of extension, but this recess is the plate body of power circuit board to be stretched into, and formation makes the conjugation of the extension and the upper and lower plate face that weld part is compressed on circuit board respectively of shell fragment, its circuit board then be provided with at least at the weld part applying position that corresponds to shell fragment in order to pour into the through hole of scolder.

According to this, when shell fragment combines with circuit board, can constitute mechanical clasps with engaging of circuit board plate body by recess and hold effect, and constitute sticking together of shell fragment and circuit board, and then obtain the fixture construction of effectively avoiding the shell fragment displacement, coming off by scolder.

Moreover its circuit board is that further the periphery at weld part applying position is provided with at least one and runs through groove, but to run through poor be that the recess of ammunition feed sheet wherein passes at the position of an end for this.Allow shell fragment be configured in both allocations of circuit board inside.

Adopt said structure, can obtain a kind of shell fragment fixture construction that can obtain preferable strength of connection with electric circuit, can effectively avoid the shell fragment displacement, come off.

Description of drawings

Fig. 1 is an appearance assumption diagram of commonly using shell fragment;

Fig. 2 is shell fragment stereoscopic figure of the present utility model;

Fig. 3 is the user mode schematic diagram of shell fragment in the utility model;

Fig. 4 is the structure cutaway view of shell fragment and circuit board in the utility model;

Fig. 5 is the assembling mode schematic diagram of shell fragment and circuit board in the utility model.

[figure number explanation]

10 shell fragments

11 contact sites

12 weld parts

13 extensions

14 recesses

15 protuberances

16 first invayinations

17 second invayinations

20 circuit boards

21 through holes

22 run through groove

30 scolders

40 casings

Embodiment

For the clear structure of the present utility model of your auditor is formed, and the overall operation mode, cooperate graphic being described as follows now:

The shell fragment fixture construction of the utility model electric device, the basic structure of its whole shell fragment is formed as shown in Figures 2 and 3, be to be bent to form respectively and casing (figure slightly) contact site 11 that contacts and the weld part 12 that combines with circuit board 20 equally by metal sheet (copper sheet) one, other has an extension 13 to be linked between contact site 11 and the weld part 12, make whole shell fragment 10 become the structure kenel that contact site 11 is provided in top, weld part 12 zone, and make contact site 11 have normality maintenance elastic reaction up.

Wherein, shell fragment 10 is that the joining place at weld part 12 and extension 13 is bent to form a recess 14, this recess 14 is both to have take the altitude so that the plate body of power circuit board 20 stretches into, and constitutes the conjugation that the extension 13 that makes shell fragment 10 and weld part 12 are compressed on the upper and lower plate face of circuit board 20 respectively; Please cooperate three simultaneously according to Fig. 3 and shown in Figure 4, basically its circuit board 20 only need be provided with a through hole 21 in order to perfusion scolder 30 at least at the weld part 12 applying positions that correspond to shell fragment 10, when shell fragment 10 combines with circuit board 20, constitute mechanical clasps by recess with engaging of circuit board plate body and hold effect, and the scolder 30 that pours into tin cream and so at through hole 21 places of circuit board 20, constitute sticking together of shell fragment and circuit board by scolder, can constitute and effectively avoid shell fragment 10 displacements, the fixture construction that comes off, allow shell fragment 10 produce under the situation of distortion bearing casing 40 compressings, still firm is connected together with circuit board 20, and is unlikely perk or gets loose, drop.

In the present embodiment, circuit board 20 is further to be provided with at least one at its corresponding position periphery of fitting with shell fragment 10 weld parts 12 to run through groove 22, please cooperate three simultaneously according to shown in Figure 5, but this runs through recess 14 (weld part 12 positions of recess 14 lower ends as shown in the figure, the position of an end wherein that groove 22 is ammunition feed sheets 10, or the extension of recess upper end and the position of contact site) pass, allow shell fragment 10 be configured in both allocations of circuit board 20 inside, and shell fragment 10 is provided with the protuberance 15 that can correspondingly buckle into through hole 21 at the set/vertically-arranged of its weld part 10, when the plate body of circuit board 20 stretches into shell fragment 10 recesses 14, can produce the effect of shell fragment 10 with circuit board 20 location.

Moreover, shell fragment 10 in the utility model is that the tail end at its contact site 11 is bent into first invayination 16 that slightly is upturned, as shown in Figure 4, at casing 40 during towards shell fragment 10 compressing, can produce the supplemental support effect by invayination 16, and disperse shell fragment 10 diastrophic stresses, to increase the reliability of shell fragment 10; Certainly, shell fragment 10 also can be bent into second invayination 17 of a perk slightly downwards at the tail end of its weld part 12, second invayination 17 produces the lead angle effect thus, and aforesaid protuberance 15 is designed to the configuration of tiltedly stretching towards inside by recess 14 openings, so that the plate body of circuit board 20 stretches into recess 14, and when protuberance 15 enters through hole 21.Under the elastic reaction of shell fragment 10, can produce clear and definite buckle sense of touch sound even, allow assembler know that shell fragment 10 combines with circuit board 20 really.

As mentioned above, the utility model provides electric device a kind of preferable feasible shell fragment fixture construction, so offer the application of novel patent in accordance with the law; Yet, above implementation and graphic shown in, be this creation preferred embodiment, be not to limit to this creation with this, be with, with approximate, identical person such as the structure of this creation, device, feature, all should belong to founding within purpose and the claim of this creation such as.

Claims

1, a kind of shell fragment fixture construction of electric device, its shell fragment is to be bent to form a contact site, a weld part and an extension that is connected between contact site and weld part by the metal sheet one, become by weld part and circuit board and link, be provided in the configuration of top, weld part zone by contact site, and make contact site have normality maintenance elastic reaction up; It is characterized in that:

This shell fragment is bent to form the recess that the plate machine of a power circuit board stretches at the joining place of its weld part and extension, constitute the conjugation that makes extension and weld part be compressed on the upper and lower plate face of this circuit board respectively, this circuit board is provided with the through hole in order to the perfusion scolder at the weld part applying position that corresponds to shell fragment.

2, the shell fragment fixture construction of electric device as claimed in claim 1 is characterized in that: position periphery that this circuit board is fitted at its corresponding and shell fragment weld part is provided with the groove that runs through that the weld part of at least one ammunition feed sheet recess lower end passes through.

3, the shell fragment fixture construction of electric device as claimed in claim 1 is characterized in that: position periphery that this circuit board is fitted at its corresponding and shell fragment weld part is provided with the groove that runs through that the contact site of at least one ammunition feed sheet recess upper end and extension pass through.

4, the shell fragment fixture construction of electric device as claimed in claim 1 is characterized in that: this shell fragment is provided with the corresponding protuberance that buckles into through hole at its weld part.

5, the shell fragment fixture construction of electric device as claimed in claim 4 is characterized in that: this protuberance is tiltedly to be stretched towards inside by the recess opening.

6, the shell fragment fixture construction of electric device as claimed in claim 1 is characterized in that: this shell fragment is bent into first invayination that slightly is upturned at the tail end of its contact site.

7, the shell fragment fixture construction of electric device as claimed in claim 1 is characterized in that: this shell fragment is bent into second invayination of a perk slightly downwards at the tail end of its weld part.

8, a kind of shell fragment fixture construction of electric device is to be bent to form a contact site, a weld part and an extension that is connected between contact site and weld part by the metal sheet one, it is characterized in that:

The joining place of this weld part and extension is to be bent to form a recess.

9, the shell fragment fixture construction of electric device as claimed in claim 8 is characterized in that: this weld part is provided with a protuberance at least.

10, the shell fragment fixture construction of electric device as claimed in claim 9 is characterized in that: this protuberance is the structure that the recess opening is tiltedly stretched towards inside.

11, the shell fragment fixture construction of electric device as claimed in claim 8 is characterized in that: the tail end of this contact site is to be bent into first invayination that slightly is upturned.

12, the shell fragment fixture construction of electric device as claimed in claim 8 is characterized in that: the tail end of this weld part is second invayination that is bent into a perk slightly downwards.