CN201323145Y

CN201323145Y - Switch gear

Info

Publication number: CN201323145Y
Application number: CNU2008203032945U
Authority: CN
Inventors: 孙亮; 齐义国
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2008-12-10
Filing date: 2008-12-10
Publication date: 2009-10-07
Anticipated expiration: 2018-12-10

Abstract

The utility model relates to a switch gear, which comprises an insulating body and a static terminal unit. The insulating body and the static terminal unit are fabricated by integrative injection molding. The static terminal unit is covered by the insulating body. The thickness of the insulating body below the static terminal unit is smaller than that of the static terminal unit. The static terminal unit forms an arc-shaped depression downwards. Therefore, the fluidity of the plastic can be improved by the shape of the static terminal unit when the static terminal unit is molded in a whole, thereby reducing the incomplete mold during the injection molding of the insulating body.

Description

Switching device

[technical field]

The utility model relates to a kind of switching device, refers in particular to a kind of thin switch, and it includes insulating body and static terminal group, and insulating body and the manufacturing of static terminal group integrated injection molding.

[background technology]

Along with the trend of miniaturization of electronic products, the size of the electronic component in the electronic product also diminishes thereupon, attenuation.

The improvement project that the utility model system proposes at the Miniature switchgear device that uses in a kind of electronic product.This kind Miniature switchgear device thickness is very little, includes insulating body and static terminal group, and static terminal group and insulating body form by integrated injection molding.When this Miniature switchgear device was produced, the defective of insulating body insatiable hunger mould once appearred.The defective of this insatiable hunger mould can make the static terminal group fixing in the switching device insecure, influences the long-term use of switching device.

In view of above disappearance, a kind of switching device of ad hoc meter, this kind switching device in process of production, the defective of insatiable hunger mould is effectively overcome.

[utility model content]

The utility model provides technical problem to be solved to provide the switching device that a kind of insatiable hunger mould defective is effectively overcome.

The utility model discloses a kind of switching device, comprise insulating body and static terminal group, insulating body and static terminal group integrated injection molding are made, and the static terminal group is insulated body and coats, the insulating body thickness of static terminal group below is less than static terminal group thickness, and the static terminal group forms arc-shaped recess downwards.

Compared to prior art, this arc connects defective, and the flowability of plastic cement when having improved injection mo(u)lding insatiable hunger mould phenomenon occurs and reduces when making the plastic cement condensation, improved the quality of switching device.

[description of drawings]

Fig. 1 is the stereogram of the utility model switching device;

Fig. 2 is the exploded view of Fig. 1;

Fig. 3 is the exploded view after the static terminal group is installed among Fig. 2;

Fig. 4 is the cutaway view along A-A line among Fig. 1.

[embodiment]

For more clearly understanding the utility model, below the invention is specified, Fig. 4 is the cutaway view of the utility model switching device 100, and Fig. 1 is the stereogram of switching device 100, and Fig. 2 and Fig. 3 are exploded view, have disclosed installation process of the present utility model.

The utility model switching device 100 comprises insulating body 1, static terminal group 2, moved end 3, dielectric film 4.

Insulating body 1 is a flat cell body, comprises the hole portion 11 and the wall portion 12 all around of hole portion 11 that are positioned at the centre position.Be illustrated in figure 2 as the telescoping part of peeling off the insulating body 1 after the static terminal group 2.

Static terminal group 2 is divided into male end static terminal 21 and female end static terminal 22.Male end static terminal 21 is T-shaped substantially, comprises a male end holding parts 211 and the contact site 212 from the extended circle in male end holding parts 211 middle parts.To upper process, two ends are the shoulder shape in the middle of this male end holding parts 211, and male end holding parts 211 outsides form button portion 213.The part that male end holding parts 211 is connected with contact site 212 is formed with through hole 214, form arc-shaped recess 215 around this through hole 214 downwards, this arc-shaped recess 215 can be improved plastic cement when assembling with insulating body 1 integrated injection molding flowability produces insatiable hunger mould defective to reduce.Female end static terminal 22 be formed with one with the close female end holding parts 221 of above-mentioned male end holding parts 211 structures, to upper process, two ends are the shoulder shape in the middle of this female end holding parts 221.These female end holding parts 221 1 sides are formed with two alar parts 222, in these two alar parts 222 are surrounded on the contact site 212 of male end static terminal.

Moved end 3 is a vaulted sheet metal, and to upper process, can be pressed is connected with the contact site 212 of male end static terminal 21 downwards in the middle of this moved end 3, and the edge contacts with alar part 222, after pressing force discharges, and the original state that moved end 3 recovers to upper process.

Dielectric film 4 is that a slim film body is isolated from the outside moved end 3, and push action applies deformation force by this dielectric film 4 to moved end 3.

Introduce the assembling of the utility model switching device 100 below.

Static terminal group 2 is placed in appropriate location in the shaping jig, and in practice, this shaping jig often is a mould.When injection mo(u)lding, the male end holding parts 211 of male end static terminal 21 and female end static terminal 22 and female end holding parts 221 are coated by plastic cement, at this moment, the thickness of male end static terminal 21 is 0.06 millimeter, and the thickness of the insulating body 1 that male end static terminal 21 belows coat only is 0.05 millimeter, on business hold static terminal 21 belows to be provided with arc-shaped recess, in injection moulding process, the plastic cement of molten state and arc-shaped recess 215 rub, flowing velocity reduces, and the plastic cement flowing velocity of male end static terminal below reduces gradually along with the influence that the increase with the arc-shaped recess distance is subjected to, the arc-shaped recess 215 that do not coexist because of the plastic cement flowing velocity deviates from the end generation eddy current that injects plastic cement like this, make plastic cement deflection male end static terminal 21 tops flow, solved the deficiency of top plastic cement capacity, overcome the defective of insatiable hunger mould.The insulating body 1 after the moulding and the state of static terminal group 2 are as shown in Figure 3, with moved end 3 load hole portions 11, these moved end son 3 one ends contact with female end static terminal 22, contact with male end static terminal 21 when moved end 3 is pressed distortion, and static terminal group 2 is realized conducting, at this moment, male end static terminal 21 is switched on the circuit that female end static terminal 22 is connected separately, and after pressing force was eliminated, moved end 3 was because of the elastic return original state, static terminal group 2 is disconnected once more, realizes the circuitry cuts function.At last, dielectric film 4 is encapsulated in insulating body 1 surface, prevents that foreign matter from entering switching device inside.So far, 100 assemblings of the utility model switching device finish.

In the utility model switching device, the arc-shaped recess that male end static terminal 21 belows are provided with can be improved the mobile performance of plastic cement in the injection moulding process, thereby has solved the insatiable hunger mould defective of switching device 100.

The execution mode that the above only provides for the utility model, it or not whole or unique execution mode, the variation of any equivalence that those of ordinary skills take technical solutions of the utility model by reading the utility model specification is claim of the present utility model and contains.

Claims

1. switching device, comprise insulating body and static terminal group, insulating body and static terminal group integrated injection molding are made, and it is characterized in that: the static terminal group is insulated body and coats, the insulating body thickness of static terminal group below is less than static terminal group thickness, and the static terminal group forms arc-shaped recess downwards.

2. switching device as claimed in claim 1 is characterized in that: described static terminal component is male end static terminal and female end static terminal, and arc-shaped recess system is arranged at male end static terminal centre position, and this centre position is provided with through hole.

3. switching device as claimed in claim 2 is characterized in that: described switching device comprises moved end, moved end and female end static terminal overlap joint, moved end and male end static terminal selective exposure conducting.

4. switching device as claimed in claim 3 is characterized in that: described male end static terminal is provided with contact site, and the female end static terminal is provided with alar part, and contact site is surrounded by alar part.

5. switching device as claimed in claim 4 is characterized in that: described moved end is the vaulted sheet metal to upper process, the corresponding contact site of moved end subcenter, and the edge contacts with alar part.

6. switching device as claimed in claim 5 is characterized in that: but the contact site conducting of described moved end son compressive deformation and male end static terminal, and pressure discharges the back and is connected with the contact site disconnection.

7. switching device as claimed in claim 6 is characterized in that: described contact site is rounded corresponding with the moved end subcenter.

8. switching device as claimed in claim 7, it is characterized in that: described male end static terminal also comprises a male end holding parts, this male end holding parts is middle to upper process, two ends are the shoulder shape, the male end holding parts outside forms button portion, the female end static terminal comprises a female end holding parts, and this female end holding parts structure is identical substantially with male end holding parts structure.