CN1110988C - Electronic device - Google Patents
Electronic device Download PDFInfo
- Publication number
- CN1110988C CN1110988C CN 98102873 CN98102873A CN1110988C CN 1110988 C CN1110988 C CN 1110988C CN 98102873 CN98102873 CN 98102873 CN 98102873 A CN98102873 A CN 98102873A CN 1110988 C CN1110988 C CN 1110988C
- Authority
- CN
- China
- Prior art keywords
- protuberance
- framework
- jut
- peristome
- barricade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
An electronic device is provided with an aperture part on the upward side and lower side, a frame on the side wall, a shielding plate equipped with protruding parts 1h and 1i which protrude upward and downward, a print circuit substrate equipped with grounding IC and connected with the protruding part on the shielding plate, an upper cover of the projecting part for the aperture part on the upper side of the block frame contacted with the protruding part and a lower cover of the projecting part for the aperture part on the lower side of the block frame contacted with the protruding part, and the protruding part protrudes on the upper and lower part of the shielding plate installed on the same line parallel to the side wall of a frame.
Description
Technical field
The present invention relates to electronic installation, particularly be used for the electronic installation of radio circuit etc. such as television receiver and video tape recorder.
Background technology
Below by Fig. 2, Fig. 3 existing electronic installation B is described.
As shown in Figure 2, the rectangle framework 11 that is made of metal material has four sidewall 11c and is positioned at the peristome 11a of top, is positioned at the peristome 11b of below, and also dispose the barricade 11e that constitutes by framework 11 and other parts in the inside of aforementioned framework 11, the linearly upper end 11f of barricade 11e extends to the peristome 11a place of the top that is positioned at framework 11 always, and lower end 11g is positioned at the cardinal principle central portion place of aforementioned lateral wall 11c.Be provided with the protuberance 11i of projection downwards at 11g place, the lower end of barricade 11e.And two ends of barricade 11e are connected by weld part (not shown) etc. at framework 11 places.
Aforesaid printed wiring board 12 is made of a flat insulating material, and not shown electronic unit etc. is installed in the above, not shown contact link etc. is installed in its lower section, to form ground connection integrated circuit 12a.Aforesaid printed wiring board 12 places also be provided with run through be set in place in aforesaid barricade 11e on the hole 12b of protuberance 11i opposite position of lower end 11g, around the 12b of hole, also be provided with ground connection integrated circuit 12a.
And printed wiring board 12 runs through in company with protuberance 11i and is inserted among the aforementioned apertures 12b and so that the contacted mode of lower end 11g of the top and barricade 11e of printed wiring board 12, receives to be contained in the aforesaid framework 11.Ground connection integrated circuit 12a is connected by weld part 15 with aforementioned protuberance 11i.
Above-mentioned upside covering part 13 has rectangular flat upper wall 13a, locates warpage downwards extends, several installation portions of rubber-like 13b by four ends of this upper wall 13a.
And this upside covering part 13 covers the peristome 11a of the upper face side of framework 11 by upper wall 13a, and installation portion 13b is in the state that clamping is installed in the sidewall 11c place of framework 11.
Above-mentioned downside covering part 14 has rectangular lower wall 14a, locates warpage upward extends, several installation portions of rubber-like 14b by four ends of this lower wall 14a, and by the pre-position of the lower wall 14a jut 14c of projection upward.Its lower wall of downside covering part 14 usefulness 14a is covered with the whole peristome 11b of the following side that is positioned at framework 11, and installation portion 14b is in the state that clamping is installed in the sidewall 11c place of framework 11.When being in this state, the jut 14c at the lower wall 14a place of downside covering part 14 will contact with the end of protuberance 11i on the barricade 11e.
This structure becomes with jut 14c flexibly pushes the form of the composition of living usually upward with barricade 11e.
Existing electronic installation B utilizes ground connection of implementing framework 11 and upside, the downside covering part 13,14 that shields usefulness to block.At this moment in order to guarantee the stable of framework 11 ground connection and shielding, barricade 11e is contacted with downside covering part 14, and this contact is to realize with the contacting of jut 14c on the downside covering part 14 by the protuberance 11i on the barricade 11e.And downside covering part 14 clampings used at the peristome 11b that will block framework 11 of this contact are when being installed in framework 11 places, downside covering part 14 should be pushed upward, so that the jut 14c on the downside covering part 14 contacts with protuberance 11i, thereby guarantee the stability of ground connection.
Yet the jut 14c of this electronic installation B lives in protuberance 11i's to top (direction as shown by arrow D) extruding as shown in Figure 3 usually; so can be applied with extruding force usually to connecting the weld part 15 that protuberance 11i and ground connection integrated circuit 12a use; so have as time goes by; barricade 11e will be pressed towards the top, thereby produce the problem make weld part 15 can generate stripping portion 15a etc. under this extruding force effect.
And this electronic installation B will apply great extruding force to upside, downside covering part 13,14 on being assembled to motherboard such as television receiver etc. the time.At this moment, jut 14c will contact with protuberance 11i under this forceful action.This extruding force will make framework 11 and push upward and move as the barricade 11e of separate part, so when pushing barricade 11e upward in such a way, this extruding force will act on the ground connection integrated circuit 12a place on the printed wiring board 12 that is welded to connect with protuberance 11i.
Therefore, produce under the effect of the extruding force that the weld part 15 that is connected with ground connection integrated circuit 12a on the printed wiring board 12 will act on upward at the jut 14c of downside covering part 14 and peel off, thereby can produce problems such as ground connection and shielding instability.
Summary of the invention
Purpose of the present invention will solve the above problems exactly, provides a kind of and can keep the electronic installation of ground connection and shielding well.
Electronic installation of the present invention has side and following side in the above and is formed with peristome, framework with sidewall, be arranged in this framework, has the barricade that also always extends to a pair of protuberance of above-mentioned peristome side upward with the below projection, receipts are contained in this framework, at least be welded to connect with described protuberance, printed wiring board with ground connection integrated circuit, upside covering part with jut, this jut is used to block the peristome of the upper face side on the described framework, and contact with described outstanding upward protuberance, and downside covering part with jut, this jut is used to block the peristome of the following side on the described framework, and contact with described outstanding downwards protuberance, and the center line of described a pair of protuberance is arranged on the same line.
And electronic installation of the present invention can also have some to extending to the described protuberance of described peristome side.
Description of drawings
The present invention is described in detail below in conjunction with accompanying drawing.
Fig. 1 is the cutaway view of expression use for electronic equipment of the present invention.
Fig. 2 is the cutaway view of the existing use for electronic equipment of expression.
Fig. 3 is the cutaway view in the existing electronic installation of expression.
Embodiment
As shown in Figure 1, electronic installation A is made of the tabular metal material, and has the rectangle framework 1 that side and following side in the above are formed with peristome 1a, 1b, carry to receive the electronic unit 2a printed wiring board 2 that use, that be formed with predetermined integrated circuit loop (not shown) that is contained in this framework 1 inner place, and cover upside covering part 3 and downside covering part 4 that peristome 1a, 1b use, that constitute by the tabular metal material respectively.
Aforementioned framework 1 has four sidewall 1c, and also dispose in the inside of framework 1 with sidewall 1c and be the whole barricade 1e that constitutes, this barricade 1e is made of the tabular metal material identical with this framework 1, and is to form by the part of this framework 1 is implemented warpage.The upper end 1f of this barricade 1e extends near the peristome 1a that is positioned at framework 1 top always, and its lower end 1g is positioned at the cardinal principle central portion place of sidewall 1c.Also be formed with the protuberance 1h of projection upward at 1f place, the upper end of barricade 1e, be provided with the protuberance 1i of projection downwards at lower end 1g place.And protuberance 1h and protuberance 1i parallel with sidewall 1c, and be provided with in the mode relative up and down with respect to the same line C.
Printed wiring board 2 is made of a flat insulating material, and the electronic unit 2a such as coil and integrated circuit etc. is installed in the above, the contact link 2b such as resistance and electric capacity etc. is installed in its lower section, to form ground connection integrated circuit 2c.Also be provided with the hole 2d that runs through the protuberance 1i place that is set in place on aforementioned barricade 1e at aforementioned printed wiring board 2 places, aforesaid ground connection integrated circuit 2c is being set around the 2d of this hole.
And printed wiring board 2 is so that protuberance 1i runs through the contacted mode of lower end 1g that is inserted among the aforementioned apertures 2d and makes the top of printed wiring board 2 and barricade 1e, receives to be contained in the aforementioned framework 1.Ground connection integrated circuit 2c is connected by weld part 5 with protuberance 1i.
Aforesaid upside covering part 3 has by tabular metal material upper wall 3a that constitute, rectangular, locate warpage downwards extends, a plurality of installation portion 3b of rubber-like by four ends of this upper wall 3a, and by the pre-position of this upper wall 3a jut 3c of projection downwards.
And this upside covering part 3 usefulness upper wall 3a are covered with the peristome 1a of framework 1 upper face side, and installation portion 3b is the state that clamping is installed in the sidewall 1c place of framework 1.When being in this state, the end of the protuberance 1h on the jut 3c of upside covering part 3 and the barricade 1e contacts.
Downside covering part 4 has by tabular metal material lower wall 4a that constitute, rectangular, locate warpage upward extends, a plurality of installation portion 4b of rubber-like by four ends of this lower wall 4a, and by the pre-position of this lower wall 4a jut 4c of projection upward.This its lower wall of downside covering part 4 usefulness 4a is covered with the whole peristome 1b of framework 1 following side, and installation portion 4b is the state that clamping is installed in the sidewall 1c place of framework 1.When being in this state, the jut 4c of downside covering part 4 will contact with the end of protuberance 1i on the barricade 1e.
This structure becomes with jut 3c and the common elasticity press nip of the jut 4c on the downside covering part 4 on the upside covering part 3 the protuberance 1h on the barricade 1e, the form of the composition of 1i.
And in the above-described embodiment, be to be that example describes with a pair of protuberance 1h, the 1i that are configured in the barricade 1e in the framework 1 and are arranged on this barricade 1e place, but the present invention is not limited to this, also can in framework 1, dispose several barricades 1e, can also be provided with many by a barricade 1e protuberance 1h, 1i with protuberance 1h, 1i.
As mentioned above, the center line of giving prominence to the protuberance 1h, the 1i that locate in the above and below of barricade 1e is arranged on the same line C, so after blocking to live in peristome 1a, the 1b of framework 1 with upside, downside covering part 3,4, by with relative direction crush lobes 1h, the 1i of jut 3c, 4c, this extruding force is cancelled out each other in barricade 1e.By this extruding force is cancelled out each other, weld part 5 places that this extruding force is not acted on connect ground connection integrated circuit 2c and protuberance 1i to use, thus have the effect that weld part 5 is stripped from.
And protuberance 1h, 1i on the barricade 1e are outstanding with the below upward, and contact with jut 3c, 4c on upside, the downside covering part 3,4 respectively, so contact position between barricade 1e and upside, the downside covering part 3,4, the number of only locating to be provided with protuberance 11i below barricade 11e is compared the increase with at double, thereby has ground connection and the more stable effect of shielding that makes electronic installation.
Claims (2)
1. electronic installation, it is characterized in that being included in upper face side and following side and be formed with peristome, framework with sidewall, be arranged in this framework, has the barricade that also always extends to a pair of protuberance of above-mentioned peristome side upward with the below projection, receipts are contained in this framework, at least be welded to connect with described protuberance, printed wiring board with ground connection integrated circuit, upside covering part with jut, this jut is used to block the peristome of the upper face side on the described framework, and contact with described outstanding upward protuberance, and downside covering part with jut, this jut is used to block the peristome of the following side on the described framework, and contact with described outstanding downwards protuberance, and each center line of described a pair of protuberance is arranged on the same line.
2. electronic installation as claimed in claim 1, it is some right that the described protuberance that it is characterized in that extending to described peristome side has.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP192858/97 | 1997-07-17 | ||
| JP19285897A JPH1140977A (en) | 1997-07-17 | 1997-07-17 | Electronic apparatus |
| JP192858/1997 | 1997-07-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1212602A CN1212602A (en) | 1999-03-31 |
| CN1110988C true CN1110988C (en) | 2003-06-04 |
Family
ID=16298150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98102873 Expired - Fee Related CN1110988C (en) | 1997-07-17 | 1998-07-16 | Electronic device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH1140977A (en) |
| CN (1) | CN1110988C (en) |
| TW (1) | TW367153U (en) |
-
1997
- 1997-07-17 JP JP19285897A patent/JPH1140977A/en not_active Withdrawn
-
1998
- 1998-06-05 TW TW087208924U patent/TW367153U/en unknown
- 1998-07-16 CN CN 98102873 patent/CN1110988C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1140977A (en) | 1999-02-12 |
| TW367153U (en) | 1999-08-11 |
| CN1212602A (en) | 1999-03-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030604 |