CN205101553U - Plastic inserts seal structure and cell -phone loudspeaker casing - Google Patents

Abstract

The application discloses plastic inserts seal structure, including the inserts with mould plastics wrap up in the plastic at a plurality of outsides of inserts edge, still including set up in the inserts fail by the plastic mould plastics the parcel outside edge on the double faced adhesive tape, the two sides of double faced adhesive tape is used for respectively pasting the inserts with the plastic. Plastic inserts seal structure in this application is owing to all marginal sealing of plastic inserts can after the completion of moulding plastics, can be accomplished direct the subsides at the corresponding edge of inserts before of moulding plastics to the double faced adhesive tape. With current plastic inserts after the completion is moulded plastics again the inserts fail is moulded plastics the marginal rubber coating of parcel by the plastic and paste and compare, sealed easy operation has improved the leakage efficiency. Solved simultaneously because of the not good and not pleasing to the eye problem of outward appearance of the inhomogeneous leakproofness that causes of glue coating, improved the work piece yield. This application still discloses a cell -phone loudspeaker casing that uses this plastic inserts seal structure.

Description

A kind of plastic cement inserts sealing configuration and Mobile phone horn housing

Technical field

The utility model relates to electronic product injection molding technology field, particularly a kind of plastic cement inserts sealing configuration.Also relate to a kind of Mobile phone horn housing using this plastic cement inserts sealing configuration.

Background technique

In the moulding of electronic product, in plastic cement, injection moulding inserts has become common design, namely wraps up inserts in plastic cement, and the material of usual inserts is metal, as steel disc etc.Because the inserts of injection moulding can the thickness size of selection of small, can save a large amount of spaces compared to pure moulding, therefore in moulding, injection moulding inserts is widely used.

At present, for the plastic cement insert structure of some industrial design mandatory requirement, moulding all can not carry out injection moulding parcel to the edge of inserts, can only injection moulding parcel two limits of inserts or three limits.And in order to ensure the sealing of this plastic cement inserts, existing way is after injection moulding completes, gluing on the limit that inserts can not be wrapped up by plastic cement, thus inserts and moulding are sealed.But, the mode done so not only inefficiency, and can loss yield.

In sum, how to solve in plastic cement inserts the low problem of the leakage efficiency of the insert edges of being wrapped up by plastic cement of failing, become those skilled in the art's problem demanding prompt solution.

Model utility content

In view of this, the purpose of this utility model is to provide a kind of plastic cement inserts sealing configuration, to improve the leakage efficiency to the insert edges of failing to be wrapped up by plastic cement in plastic cement inserts.

Another object of the present utility model is to provide a kind of Mobile phone horn housing using this plastic cement inserts sealing configuration, to improve work efficiency.

For achieving the above object, the utility model provides following technological scheme:

A kind of plastic cement inserts sealing configuration, comprise the plastic cement that inserts and injection moulding are wrapped in some outer ledges of described inserts, also comprise the two sided plaster be arranged on the outer ledge of failing to be wrapped up by described plastic-injection of described inserts, the two sides of described two sided plaster is respectively used to bond described inserts and described plastic cement.

Preferably, in above-mentioned plastic cement inserts sealing configuration, described two sided plaster is the two sided plaster of high temperature resistant material.

Preferably, in above-mentioned plastic cement inserts sealing configuration, described inserts is metal insert.

Preferably, in above-mentioned plastic cement inserts sealing configuration, the thickness of described metal insert is 0.18mm ~ 0.22mm.

Preferably, in above-mentioned plastic cement inserts sealing configuration, also comprise conductor, described two sided plaster is arranged between described conductor and described inserts.

The utility model embodiment still provides a kind of Mobile phone horn housing, comprises plastic cement inserts, and described plastic cement inserts adopts the plastic cement inserts sealing configuration described in above any one.

Compared with prior art, the beneficial effects of the utility model are:

In the plastic cement inserts sealing configuration that the utility model provides, plastic-injection is wrapped in some outer ledges of inserts, and fail the inserts wrapped up by plastic-injection outer ledge on be provided with two sided plaster, by two sided plaster the outer ledge of failing to be wrapped up by plastic-injection of inserts and plastic cement sealed and combine.Because two sided plaster directly can be attached to the respective edges of inserts before injection moulding, after injection moulding completes, the marginate sealing of plastic cement inserts can be completed.With existing plastic cement inserts after completing injection moulding again inserts fail be coated with compared with glue by the edge that plastic-injection wraps up, seal operation is simple, improves leakage efficiency.Solve the problem because of the uneven poor sealing caused of glue coating simultaneously, improve workpiece yield.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.

The exploded perspective view of a kind of plastic cement inserts that Fig. 1 provides for the utility model embodiment;

Structural representation after the plastic rubber shaping of a kind of plastic cement inserts that Fig. 2 provides for the utility model embodiment.

In fig. 1 and 2,1 be plastic cement, 2 be two sided plaster, 3 for inserts.

Embodiment

Core of the present utility model there is provided a kind of plastic cement inserts sealing configuration, can improve the leakage efficiency at the edge of failing to be wrapped up by plastic-injection of inserts.

The utility model additionally provides a kind of Mobile phone horn housing using this plastic cement inserts sealing configuration, improves the work efficiency of Mobile phone horn housing.

Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.

Please refer to Fig. 1 and Fig. 2, the utility model embodiment provides a kind of plastic cement inserts sealing configuration, comprises inserts 3, plastic cement 1 and two sided plaster 2; Wherein, plastic cement 1 injection moulding is wrapped in some outer ledges of inserts 3, is not wrapped in whole outer ledges of inserts 3, two limits of general parcel inserts 3 or three limits; Two sided plaster 2 is arranged at failing by the outer ledge of plastic cement 1 injection moulding parcel of inserts 3, and the two sides of two sided plaster 2 is respectively used to insert part stuck 3 and plastic cement 1, in the present embodiment, and the adhesion area being two sided plaster 2 of H signal.

Above-mentioned plastic cement inserts sealing configuration is adding man-hour, first two sided plaster 2 is attached on inserts 3 edge that can not be wrapped up by plastic cement 1, afterwards with inserts 3 injection moulding, plastic cement 1 injection moulding is wrapped in and can be injection molding on inserts 3 edge of parcel, and inserts 3 edge being pasted with two sided plaster 2 when injection moulding by the active bond of self of two sided plaster 2 between inserts 3 and plastic cement 1, play partially sealed effect.Do not wrapping up compared with the insert edges of plastic cement carries out sealing with glue coated between plastic cement with existing plastic cement inserts again after injection moulding completes, seal operation is simple, improve leakage efficiency, and compared with two sided plaster 2 seals and to seal with glue coated, there will not be the problem because of the uneven sealing difference caused of glue coating, improve the rate of good product of workpiece.

In the present embodiment, two sided plaster 2 is preferably the two sided plaster of high temperature resistant material, the two sided plaster of high temperature resistant material is commercially on sale, can be directly used in the plastic cement inserts sealing configuration in the utility model, can guarantee better two sided plaster 2 when injection moulding and follow-up work time airtight quality.

In the present embodiment, inserts 3 is preferably metal insert, and as steel disc etc., metal insert 3 can reach less thickness.Certainly, inserts 3 can also be hard material, as long as can be combined with plastic cement 1 and can save space.

In the present embodiment, when inserts 3 is metal insert, the thickness of metal insert is preferably 0.18mm ~ 0.22mm, the integral thickness of usual plastic cement inserts is about 0.5mm, therefore, can save the space of about 0.3mm, the electronic product less for space is significant.

In the present embodiment, for the parts of some simultaneously injection moulding metal insert and conductor, between metal insert and conductor, arrange two sided plaster 2, two sided plaster 2 utilizes the insulating property (properties) of self can also play the effect of insulating between conductor and metal insert.

The utility model embodiment still provides a kind of Mobile phone horn housing, comprises plastic cement inserts, and plastic cement inserts adopts above plastic cement inserts sealing configuration all described by embodiment.Therefore, the work efficiency of Mobile phone horn housing is improved, and improves the sealability of Mobile phone horn housing simultaneously.

In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.

To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (6)

1. a plastic cement inserts sealing configuration, comprise the plastic cement (1) that inserts (3) and injection moulding are wrapped in some outer ledges of described inserts (3), it is characterized in that, also comprise be arranged at described inserts (3) fail by described plastic cement (1) injection moulding parcel outer ledge on two sided plaster (2), the two sides of described two sided plaster (2) is respectively used to bond described inserts (3) and described plastic cement (1).

2. plastic cement inserts sealing configuration according to claim 1, is characterized in that, the two sided plaster that described two sided plaster (2) is high temperature resistant material.

3. plastic cement inserts sealing configuration according to claim 1, is characterized in that, described inserts (3) is metal insert.

4. plastic cement inserts sealing configuration according to claim 3, is characterized in that, the thickness of described metal insert is 0.18mm ~ 0.22mm.

5. plastic cement inserts sealing configuration according to claim 3, is characterized in that, also comprise conductor, and described two sided plaster (2) is arranged between described conductor and described inserts (3).

6. a Mobile phone horn housing, comprises plastic cement inserts, it is characterized in that, described plastic cement inserts adopts the plastic cement inserts sealing configuration as described in any one of claim 1-5.