CN1187104A - Electronic device - Google Patents

Abstract

The invention provides an electronic device, which is provided with a metal frame with an open part and a cover with clamp sheets around; any party of the frame and the cover is provided with a heave, and the other party is provided with a notch; the cover covers at least one part of the open part of the frame and is covered on the frame; a tab is pressed and connected with the frame and elastically connected with the side surface of the heave and the notch; the tab moves towards the lateral side without the tab to more firmly contact the tab with the frame, which can restrict the torsion of the cover; with the invention, no noise produce in case of vibration, which can improve the value of the product.

Description

Electronic installation

The present invention relates to the electronic installation of a kind of television tuner, modulator (amplitude modulator) etc., particularly relate to the electronic installation (be e-machine or instrument, below all abbreviate electronic installation as) of the mounting structure of a kind of framework and lid.

At first see also Fig. 7, shown in Figure 8, existing electronic installation has the metal framework 20 of box-shaped, this framework 20 is provided with mutual opposing sideplates 21,22 and mutual opposing sideplates 23,24, this side plate 23,24 is provided with notch 23a, 24a to the position of oblique side-lower, and another is distolateral to be opening portion 20a.

In framework 20, accommodate and be equiped with the electronic circuit component (not shown), simultaneously, be provided with the terminal board (not shown) of deriving electronic circuit to the outside at above-mentioned notch 23a, 24a.

This framework 20 is provided with the metal lid 25 of rectangular shape, this lid 25 its mutual opposed side edges 25a, 25b relatively are provided with crimping tab 26,27 downwards, in addition, its another mutual opposed side edges 25c, 25d are provided with crimping with tab 28,29 at oblique side-lower.

Above-mentioned crimping in tiltedly side-lower setting does not match the position that formation is staggered with tab 28,29 and above-mentioned notch 23a, 24a.

This lid 25 covers like that with the opening portion 20a that covers framework 20 and is located on the framework 20, the crimping of lid 25 with tab 26,27,28,29 respectively elasticity be connected on the side plate 21,22,23,24 of framework 20.

As shown in Figure 8, lid 25 is installed on the framework 20, at lid 25 mutual opposed side edges 25c, 25d, is respectively equipped with the crimping tab 28,29 to oblique side-lower.Crimping is not provided with crimping tab with tab 29 in its opposed side edges 25c side in its opposed side edges 25d side and crimping with tab 28.

Join to the elasticity of side plate 23 with tab 28 by crimping, make opposed side edges 25d along the arrow directions X to side 25c side shifting, again, join to the elasticity of side plate 24 with tab 29 by crimping, make opposed side edges 25c along arrow Y direction to side 25d side shifting, like this, then make 25 states that are distortion that cover.

Because existing electronic installation moves to opposed side edges 25c, 25d by cover 25 crimping with tab 28,29, make crimping with tab 28,29 and side plate 23,24 contact a little less than, have the phenomenon that produces noise owing to vibrating.

Because lid 25 produces distortion, so the outward appearance of product is plain, makes the value of product to reduce.

As known from the above, existing electronic installation, the crimping of lid is not moved to the side of crimping with tab is set with tab, so with a little less than crimping contacts with the side plate of tab, when situation such as vibration takes place, be easy to generate noise.

Because the drawback that above-mentioned existing electronic installation exists, the inventor is based on rich practice experience and professional knowledge, through constantly studying, design, and after studying sample repeatedly and improving, creates the present invention finally.

Main purpose of the present invention is, overcome the defective that existing electronic installation exists, and provide a kind of electronic installation of new structure, make its crimping more firm with contacting of framework with tab, can limit reversing of lid, make when situations such as vibration take place, can not produce noise, and can improve the value of commodity.

The objective of the invention is to realize by following technical scheme.The electronic installation that proposes according to the present invention be by the metal framework, the periphery that are provided with the opening portion be provided with crimping with either party of lid, framework and the lid of tab be provided with protuberance, the opposing party is provided with recess, resemble and cover on the framework at least a portion of the opening portion that covers framework, crimping is crimped on the framework with tab, simultaneously the side elastic of itself and protuberance and recess join constitute.

The present invention is provided with protuberance by giving prominence to foreign side in framework, and above-mentioned covering is provided with recess and constitutes between crimping is with tab.

The present invention is provided with recess by the patent part side in framework, covers crimping and is provided with protuberance with tab and constitutes.

Have, the present invention is that the leading section at recess is provided with rake and constitutes again.

Also have, the present invention is by having rectangular-shaped lid, on the position on relative two limits of this lid, only be formed with the crimping tab in a side position, when raised part and above-mentioned recess elasticity are joined, constituting with the framework crimping of tab is more firm with crimping.

The present invention compared with prior art has tangible advantage and good effect.By above technical scheme as can be known, electronic installation of the present invention is provided with the metal framework of opening portion, be provided with the lid of crimping at periphery with tab, either party of framework and lid is provided with protuberance, the opposing party is provided with recess, resemble and cover on the framework at least a portion opening portion that covers framework, crimping is crimped on the framework with tab, simultaneously the side elastic of itself and protuberance and recess joins, so crimping with tab to there not being crimping tab side shifting, make crimping firm with the contact of the framework of tab, when situations such as vibration take place, can not produce noise, can limit reversing of lid, can improve the value of product.

Because framework is provided with protuberance to foreign side is outstanding, cover crimping and constitute with being provided with recess between tab, again owing to be provided with recess, cover crimping and be provided with protuberance with tab and constitute, so can limit the position of covering by simply constructing at the patent part side of framework.

Have, the leading section of recess is provided with rake again, and protuberance inserts to recess easily, has improved transaction capabilities.

Also have, has rectangular-shaped lid, the mutual alignment on relative two limits of this lid, only be formed with the crimping tab, when protuberance and recess elasticity are joined, make crimping more firm with tab and framework crimping in a side position, crimping is with a tab side or when asymmetricly existing only on the relative position on particularly relative two limits, can limit the position of lid, crimping is more firm with contacting of framework with tab, and noiseless electronic installation can be provided.

Concrete structure of the present invention is provided in detail by following examples and accompanying drawing thereof.

Fig. 1 is the exploded perspective view of electronic installation one embodiment critical piece of the present invention.

Fig. 2 is the vertical view of electronic installation one embodiment of the present invention.

Fig. 3 is the end view of electronic installation one embodiment of the present invention.

Fig. 4 is the installation diagram of electronic installation one embodiment of the present invention.

Fig. 5 is the vertical view of another embodiment of electronic installation of the present invention.

Fig. 6 is the exploded perspective view of another embodiment critical piece of electronic installation of the present invention.

Fig. 7 is the exploded perspective view of existing electronic installation critical piece.

Fig. 8 is the vertical view of existing electronic installation.

Below in conjunction with accompanying drawing and preferred embodiment, its concrete structure of electronic installation, feature and the effect thereof of the new structure that foundation the present invention is proposed, describe in detail as after.

See also Fig. 1 to shown in Figure 4, embodiment for electronic installation of the present invention, the framework 1 of television tuner, modulator electronic installations such as (amplitude modulators) is to use metal box-like body, this framework 1 is provided with and is mutual opposing sideplates 2,3, and the mutual opposing sideplates 4,5 that is provided with notch 4a, 5a in oblique lower side position, and at one end side is provided with opening portion 6, is provided with the protuberance 7,8 that outward direction cuts in the opening portion of above-mentioned side plate 2,36 sides.

This framework 1 of bottom shown in the present embodiment also can be designed as two ends and is by the framework 1 of open shape.

Put the electronic circuit component (not shown) in the installing of framework 1 content, simultaneously, be provided with in order to derive the terminal board (not shown) of electronic circuit to the outside at above-mentioned notch 4a, 5a.

The metal lid 9 of rectangular shape is provided with mutual opposed side edges 9a, 9b, it is relatively to having a plurality of crimping tab 10,11, between this crimping respectively is with tab 10,11, be respectively equipped with recess 12,13, crimping therein is provided with rake 14 with the front end of tab 10,11, is respectively equipped with to the crimping of oblique side-lower with tab 15,16 at another mutual opposed side edges 9c, 9d.

Do not match with tab 15,16 and above-mentioned notch 4a, 5a to the crimping of oblique side-lower setting, the position that formation is staggered is provided with, a crimping adjacent with recess 12,13 is provided with rake 14 with tab 10,11, and this rake 14 forms respectively and is arranged on the position relative with protuberance 7,8.

This lid 9 covers like that with the peristome 6 that covers framework 1 and is located on the framework 1.

At this moment, shown in Fig. 4 (A), above-mentioned crimping is joined with the protuberance 7 that is arranged on the side plate 2 with the rake 14 of tab 10, and perhaps, crimping is joined with the protuberance 8 that is arranged on the side plate 3 with the rake 14 of tab 11.

In this case, mounting cover 9 on framework 1, are pressed on framework 1 earlier and cover 9, and crimping is crimped on respectively on the side plate 2,3,4,5 with tab 10,11,15,16, will cover 9 and continue to move downwards, (consult shown in Fig. 4 (B)) up to the end of running into framework 1.

At this moment, by the rake 14 that is connected with protuberance 7,8, as shown in Figure 2, lid 9 top is along the arrow C direction, or the bottom moves along arrow D direction, is the elasticity state that joins in the side crimping of recess 12,13 with the side of tab 10,11 and protuberance 7,8.

By above-mentioned such structure, lid 9 mutual relative dual side- edge 9c, 9d, it be not provided with the crimping tab with crimping with the side of tab 15,16 relative positions respectively, that is, side 9d its be arranged on the side that side 9c side pressure connects with tab 15 relative positions the crimping tab be not set; Or sound side 9c its connecing with the side on the relative position of tab 16 the crimping tab be not set with being arranged on side 9d side pressure, by protuberance 7,8 when crimping is not set with the direction removable cover 9 of tab, the position that can limit this lid 9.

As shown in Figure 5, be another embodiment of the present invention.For connector (binding post) 17 of deriving the electronic circuit (not shown) to the outside is installed in the framework 1 by ccontaining.Lid 9 is except that side 9c, be provided with crimping with tab 10,11,16 at side 9a, 9b, 9d, except that the top of connector 17, lid 9 lids are located on the opening portion 6 of framework 1, simultaneously, the protuberance 7,8 that is arranged on the framework 1 joins with the side elastic of lid 9 recess 12,13 respectively.

By said structure, crimping with tab 16 to crimping not being set with the side 9c side shifting of tab.

In the present embodiment, with on the tab 10,11, must be provided with rake 14 (not shown in the figures, but as shown in Figure 4) in crimping.

As shown in Figure 6, be another embodiment of the present invention.Be provided with the recess 12,13 with rake 14 on framework 1, be provided with protuberance 7,8 in crimping on tab 10,11 on lid 9, these protuberance 7,8 elasticity are connected on the side of recess 12,13 mutually.

It is also passable with the position (place) beyond the tab that certain raised part 7,8 is arranged on crimping.

Claims (5)

1, a kind of electronic installation is characterized in that:

It is provided with metal framework with opening portion and the metal lid that has holding piece at periphery, this covers with the above-mentioned framework of above-mentioned holding piece clamping, and cover at least a portion opening portion of above-mentioned framework, either party of above-mentioned framework and above-mentioned lid is provided with protuberance, its opposing party then is provided with notch, and raised part combines with above-mentioned notch.

2, electronic installation according to claim 1 is characterized in that described protuberance is located on the framework, and outstanding to foreign side from the end of the desired setting in above-mentioned framework opening portion, and above-mentioned notch is arranged between two holding pieces of above-mentioned lid.

3, electronic installation according to claim 2, it is shaped as rectangle to it is characterized in that described lid, and above-mentioned holding piece only is arranged on three sides, and above-mentioned notch is arranged on the relative dual side-edge in above-mentioned three.

4, electronic installation according to claim 1 is characterized in that described protuberance is arranged on the outstanding above-mentioned holding piece of the interior side of above-mentioned lid; Above-mentioned notch is arranged on the end of the desired setting in opening portion of above-mentioned framework.

5, electronic installation according to claim 4, it is shaped as rectangle to it is characterized in that described lid, and above-mentioned holding piece only is arranged on three sides, and raised part is arranged on the holding piece of relative dual side-edge.

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