CN101431869B - Casing joint structure of electronic device - Google Patents
Casing joint structure of electronic device Download PDFInfo
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- CN101431869B CN101431869B CN 200710166945 CN200710166945A CN101431869B CN 101431869 B CN101431869 B CN 101431869B CN 200710166945 CN200710166945 CN 200710166945 CN 200710166945 A CN200710166945 A CN 200710166945A CN 101431869 B CN101431869 B CN 101431869B
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Abstract
The present invention discloses a shell combination structure of electronic device, comprising the following components at least: the first shell with copulae provided with the first convex part, the first groove and the second convex part in series from lateral surface to medial surface; and the second shell with copulae provided with the first convex part and the first groove in series from lateral surface to medial surface, wherein, the first groove and the second convex part of copulae of the first shell is corresponded to the first convex part and the first groove of the copulae of the second shell, and medial surface of the first convex part of the first shell copulae is adjacent with lateral surface of the second shell copulae, so that the first shell combines and second shell conjugative to each other. Not only electric creepage distance can be increased and electrical characteristics of electronic device can be added, but also strength of shell combination structure can be strengthened through the design of shell combination structure and combination style in the invention.
Description
Technical field
The present invention relates to the casing joint structure of a kind of casing joint structure, particularly a kind of electronic installation.
Background technology
People often can use electronic installation miscellaneous in daily life, such as power-supply adapter, transformer, power supply unit and power connector etc.Therefore these electronic installations all can utilize housing that these electronic building bricks and circuit are coated owing to the electronic building brick on its internal circuit carrier and circuit need to be done suitable isolation and protection, contact to avoid direct and extraneous.Because casing joint structure design and juncture can have influence on outward appearance, structural strength and the electrical characteristic of electronic installation, the casing joint structure that therefore how to design suitable electronic installation just becomes considerable research and development problem.
See also Fig. 1, it is for showing the casing joint structure schematic diagram of traditional electronic devices.As shown in Figure 1, the casing joint structure of traditional electronic devices mainly comprises upper shell 1 and lower house 2, wherein upper shell 1 is all box body structure with lower house 2, and upper shell 1 has junction surface 11, lower house 2 has corresponding junction surface 21, be bonded with each other by the junction surface 11 of upper shell 1 and the junction surface 21 of lower house 2, can make upper shell 1 and lower house 2 finish combination.
See also Fig. 2, it is the structure enlarged drawing at the junction surface of upper and lower casing in the structure shown in Figure 1.As shown in Figure 2, the junction surface 11 of upper shell 1 sequentially forms the first protuberance 112, the first groove 113 and the second protuberance 114 from its lateral surface 110 to medial surface 111 directions.In addition, the junction surface 21 of lower house 2 sequentially forms the first recess 212, the first protuberance 213 and the second recess 214 from its lateral surface 210 to medial surface 211 directions, and the first protuberance 112, the first groove 113 with junction surface 11 is relative with the second protuberance 114 respectively.In addition, has a fin 215 on first protuberance 213 at junction surface 21, and the width of first protuberance 213 at junction surface 21 is slightly less than the width of first groove 113 at junction surface 11, when upper shell 1 engaged with lower house 2, first protuberance 213 at junction surface 21 just can be placed in first groove 113 at junction surface 11 thus.
See also Fig. 3 (a)～3 (b), it is the schematic diagram of the juncture of demonstration structure shown in Figure 2.Shown in Fig. 3 (a), when wanting to carry out the housing joint, at first with first protuberance 112 at the junction surface 11 of upper shell 1, the first groove 113 and the second protuberance 114 respectively with first recess 212 at the junction surface 21 of lower house 2, the first protuberance 213 is relative with the second recess 214, then utilize the ultrasonic waves fusion techniques, the soldering tip (Horn) that picks by the ultrasonic waves plastic melting directly produces ultra-high frequency on housing sound wave vibrations, make, lower house 1,2 produce each other violent friction after, make fin 215 on first protuberance 213 at junction surface 21 fuse into the inwall of first groove 113 at junction surface 11 in moment, shown in Fig. 3 (b), thus with on reaching, lower house 1,2 purposes that engage.
Yet, in traditional casing joint structure, after upper and lower casing 1,2 engaged, its junction surface 11,21 formed electric creepage distances still fell short of comparatively speaking, therefore may there be the situation of electric electric leakage to produce, affects indirectly the electrical characteristic of electronic installation.In addition, upper shell 1 is not good with the bond strength of lower house 2, it is lower to make electronic installation bear the ability of external force collision, and therefore the junction surface 11 that usually need increase simultaneously upper shell 1 for head it off and the thickness at the junction surface 21 of lower house 2 can increase material cost to for example more than about 3mm.In addition, in traditional casing joint structure in order to increase electric creepage distance, the second protuberance 114 length at the junction surface 11 of upper shell 1 can't reduce, so when external force when clashing into perpendicular to the direction of junction surface 11,21 lateral surfaces, the second protuberance 114 causes upper shell 1 to separate with lower house 2 easily because fragile structure ruptures even destroy casing joint structure.
Therefore, how to avoid the disappearance of above-mentioned known technology, and develop a kind of casing joint structure that can increase the electronic installation of electric creepage distance and reinforcement housing bond strength after shell combination, real is present problem in the urgent need to address.
Summary of the invention
Main purpose of the present invention can increase electric creepage distance and improve the housing bond strength for a kind of casing joint structure of electronic installation is provided after shell combination, thus to increase structural strength and the electrical characteristic of electronic installation.
For reaching above-mentioned purpose, the invention provides a kind of casing joint structure of electronic installation, at least comprise: the first housing, has the junction surface, this junction surface sequentially has the first protuberance, the first groove and the second protuberance from lateral surface to medial surface direction, wherein, has a difference in height between an end of an end of this first protuberance of this first housing and this second protuberance; And second housing, having the junction surface, this junction surface sequentially has the first protuberance and the first groove from lateral surface to interior side direction.Wherein, first groove at the junction surface of the first housing and the second protuberance are with respect to the first protuberance and first groove at the junction surface of the second housing, and the lateral surface adjacency at the medial surface of first protuberance at the junction surface of the first housing and the junction surface of the second housing, and an end of this first protuberance of this first housing and an outer surface of this second housing are positioned in fact on the same level face, and the first housing is engaged each other with the second housing.
For reaching above-mentioned purpose, the present invention provides a kind of casing joint structure of electronic installation in addition, at least comprise: the first housing, has the junction surface, this junction surface sequentially has the first protuberance, the first groove and the second protuberance from lateral surface to medial surface direction, wherein, have a difference in height the first protuberance between an end of an end of this first protuberance of this first housing and this second protuberance and form an opening in the definition of the first housing; And second housing, having the junction surface, this junction surface sequentially has the first protuberance and the first groove from lateral surface to interior side direction.Wherein, first groove at the junction surface of the first housing and the second protuberance are with respect to the first protuberance and first groove at the junction surface of the second housing, and the second housing is embedded at the opening of the first housing, and an end of this first protuberance of this first housing and an outer surface of this second housing are positioned in fact on the same level face, and the first housing is engaged each other with the second housing.
Beneficial effect of the present invention is, not only can increase electric creepage distance and the electrical characteristic that increases electronic installation by casing joint structure design of the present invention and juncture, and can strengthen the intensity of casing joint structure.
Description of drawings
Fig. 1 is the casing joint structure schematic diagram of traditional electronic devices.
Fig. 2 is the structure enlarged drawing at the junction surface of upper and lower casing in the structure shown in Figure 1.
Fig. 3 (a)～3 (b) is for showing the juncture schematic diagram of structure shown in Figure 2.
Fig. 4 is the casing joint structure schematic diagram of the electronic installation of preferred embodiment of the present invention.
Fig. 5 is the shell combination schematic diagram of structure shown in Figure 4.
Fig. 6 is the structure enlarged drawing at the junction surface of the first housing and the second housing in the structure shown in Figure 4.
Fig. 7 is the structure enlarged drawing at the junction surface of the first housing of another preferred embodiment of the present invention and the second housing.
Fig. 8 (a)～8 (b) shows the juncture schematic diagram of structure shown in Figure 6.
Wherein, description of reference numerals is as follows:
1: upper shell 11: junction surface
110: lateral surface 111: medial surface
113: the first grooves of 112: the first protuberances
21: junction surface 210: lateral surface
211: 212: the first recesses of medial surface
214: the second recesses of 213: the first protuberances
215: 3: the first housings of fin
31: junction surface 32: opening
42: outer surface 43: supporting component
310: lateral surface 311: medial surface
313: the first grooves of 312: the first protuberances
316: fin 317: side
312a: end 313a: inwall
314a: end 410: lateral surface
412: the first grooves of 411: the first protuberances
413: platform 414: fin
415: side 412a: inwall
H1, H2, h: height D, d1, d2, d3: width
Embodiment
Some exemplary embodiments that embody feature ﹠ benefits of the present invention will be described in detail in the explanation of back segment.Be understood that the present invention can have various variations different in form, its neither departing from the scope of the present invention, and explanation wherein and be shown in the usefulness that ought explain in essence, but not in order to limit the present invention.
Seeing also Fig. 4 is the casing joint structure schematic diagram of the electronic installation of preferred embodiment of the present invention.As shown in Figure 4, the casing joint structure of electronic installation of the present invention can be applicable to such as but not limited to electronic installations such as power-supply adapter, transformer, power supply unit and power connectors, and the casing joint structure of electronic installation of the present invention mainly by the first housing 3 and the second housing 4 be engaged with each other the institute consist of, wherein the first housing 3 has junction surface 31, and the second housing 4 has junction surface 41, be bonded with each other by the junction surface 31 of the first housing 3 and the junction surface 41 of the second housing 4, can make the first housing 3 and the second housing 4 finish combination.In certain embodiments, the first housing 3 with box body structure for example for better, and the second housing 4 with for example lid or plate body for better, wherein the outside match profiles of the profile of the opening 32 of the first housing 3 and the second housing 4 is closed, and the opening 32 of the first housing 3 can be embedded for the second housing 4, just can finish shell combination thus after the second housing 4 is embedded at the opening 32 of the first housing 3, the structure after its combination as shown in Figure 5.In certain embodiments, the second housing 4 is behind the opening 32 that is embedded at the first housing 3, and the outer surface 42 of the second housing 4 can be substantially flushes with the end at the junction surface 31 of the first housing 3.In further embodiments, on the outer surface 42 of the second housing 4 a plurality of supporting components 43 can be set, described a plurality of supporting components 43 can support this electronic installation when electronic installation is positioned on the plane.
See also Fig. 6, it is the structure enlarged drawing at the junction surface of the first housing and the second housing in the structure shown in Figure 4.As shown in Figure 6, the junction surface 31 of the first housing 3 sequentially comprises the first protuberance 312, the first groove 313 and the second protuberance 314 from its lateral surface 310 to medial surface 311 directions, wherein the first groove 313 is defined by the first protuberance 312 and the second protuberance 314 and is formed, and has a difference in height h between the end 314a of the end 312a of the first protuberance 312 and the second protuberance 314.In addition, the junction surface 41 of the second housing 4 sequentially forms the first protuberance 411, the first groove 412 and platform 413 from its lateral surface 410 to interior side direction, and wherein the first groove 412 is defined with platform 413 by the first protuberance 411 and forms.
In this embodiment, the medial surface 315 of the first protuberance 312 of the first housing 3 is with respect to the lateral surface 410 at the junction surface 41 of the second housing 4, the first groove 313 of the first housing 3 and the second protuberance 314 are respectively with respect to the first protuberance 411 and first groove 412 of the second housing 4, and the side 317 of the second protuberance 314 of the first housing 3 is with respect to the side 415 of platform 413.In addition, the width of the first protuberance 411 of the second housing 4 is slightly less than in fact the width of the first groove 313 of the first housing 3, and the width of the second protuberance 314 of the first housing 3 is slightly less than in fact the width of the first groove 412 of the second housing 4.In addition, the sum total of the width d3 of the width d1 of the first housing 3 first protuberance 312 of 31 in the junction surface, the width d2 of the first groove 313 and the second protuberance 314 equates with the thickness of shell D of the first housing 3 in disengaged zone of this side substantially, and therefore the lateral surface 310 at the junction surface 31 of the first housing 3 flushes for the plane and with disengaged zone of this side of the first housing 3.The first protuberance 312 of the first housing 3 defines on this first housing 3 and forms opening 32, but since the second housing 4 close-fittings be embedded at the opening 32 of the first housing 3, therefore the medial surface 315 of first extension 312 at junction surface 31 can with the lateral surface 410 direct adjacency at the junction surface 41 of the second housing 4, and after the second housing 4 is embedded at the opening 32 of the first housing 3, because the depth H 1 of the medial surface 315 of the first protuberance 312 of the first housing 3 equates in fact that with lateral surface 410 height H 2 at the junction surface 41 of the second housing 4 therefore the end 312a of the first protuberance 312 and the outer surface 42 of the second housing 4 are positioned in fact on the same level face.
In certain embodiments, also has a fin 414 on the first protuberance 411 of the second housing 4, thus when the first housing 3 and the second housing 4 utilize that for example the ultrasonic waves fusion techniques engages, fin 414 on the first protuberance 411 of the second housing 4 just can fuse into or implant the inwall 313a of the first groove 313 of the first housing 3, and the first housing 3 and the second housing 4 are bonded with each other.Certainly, in certain embodiments, as shown in Figure 7, also can form fin 316 on the surface of the second protuberance 314 of the first housing 3, similarly can be when the first housing 3 utilizes the ultrasonic waves fusion techniques to engage with the second housing 4, make fin 316 on the second protuberance 314 of the first housing 3 fuse into or implant the inwall 412a of the first groove 412 of the second housing 4, the first housing 3 and the second housing 4 are bonded with each other.
See also Fig. 8 (a)～8 (b), it shows the juncture schematic diagram of structure shown in Figure 6.Shown in Fig. 8 (a), when wanting to carry out housing and engage, at first the first protuberance 411 and the first groove 412 with the second housing 4 is relative respectively with the first groove 313 of the first housing 3 and the second protuberance 314.Then, the second housing 4 is embedded at the opening 32 of the first housing 3, and the first protuberance 411 that makes the second housing 4 is placed in the first groove 313 of the first housing 3, make the second protuberances 314 of the first housing 3 be placed in the first groove 412 of the second housing 4, make lateral surface 410 adjacency at medial surface 315 and the junction surface 41 of the second housing 4 of the first protuberance 312 of the first housing 3, and makes the side 317 of the second protuberance 314 at junction surface 31 and side 415 adjacency of platform 413.Afterwards, with for example ultrasonic waves fusion techniques, the soldering tip (Horn) that picks by the ultrasonic waves plastic melting directly produces ultra-high frequency on housing sound wave vibrations, after making the first housing 3 and the second housing 4 produce each other violent friction, make fin 414 on the first protuberance 411 of the second housing 4 fuse into or implant the inwall 313a of the first groove 313 of the first housing 3 in moment, shown in Fig. 8 (b), the first housing 3 and the second housing 4 are bonded with each other with junction surface 31 and 41 and reach the purpose of combination.Certainly, juncture of the present invention is not limited to the ultrasonic waves fusion techniques that above-described embodiment is mentioned.For example, when the fin 414 on the first protuberance 411 of the second housing 4 omits, can also the first housing 3 engage with the second housing 4 junction surfaces 31,41 concavo-convex profile close-fitting, or the mode of sticking together with viscose, or with screw with the first housing 3 and the second housing 4 locking modes, or with the formed buckle structure manner of the first housing 3 and the second housing 4 edges, to reach the purpose of combination.
Can be understood by structure shown in Figure 6, since the first housing 3 be formed at after the second housing 4 engages junction surface 31,41 electric creepage distance can utilize junction surface 31 the first protuberance 312 medial surface 315 engage sections 41 lateral surface 410 and utilize the side 415 of platform 413 of side 317 engage sections 41 of second protuberance 314 at junction surface 31 to increase, make insulation distance relatively enough, therefore can increase the electrical insulative property of electronic installation.In addition, first protuberance 312 at the junction surface 31 of the first housing 3 is with lateral surface 410 adjacency at the junction surface 41 of its medial surface 315 and the second housing 4, and the second housing 4 can be embedded at the opening 32 of the first housing 3, therefore when external force when clashing into perpendicular to lateral surface 310 directions at the junction surface 31 of the first housing 3, the second housing 4 can assist first protuberance 312 at the junction surface 31 of the first housing 3 that the strength of supporting is provided, and can increase thus the crashworthiness ability of housing.In addition, the height of second protuberance 314 at junction surface 31 relatively can reduce and can be sandwiched and be placed in the first groove 412 by 413 on the first protuberance 411 of the second housing 4 and platform, therefore the second protuberance 314 of the first housing 3 easy fracture not relatively can further be strengthened the intensity of casing joint structure.
In sum, reach in the specific profile design on composition surface and with the mode that the second housing is embedded at the opening of the first housing at the junction surface of the casing joint structure of electronic installation of the present invention by the first housing and the second housing, not only can increase electric creepage distance and the electrical characteristic that increases electronic installation by casing joint structure design of the present invention and juncture, and can strengthen the intensity of casing joint structure.
The present invention can be made amendment according to above-mentioned design by those skilled in the art, so the protection range of its neither disengaging claims.
Claims (9)
1. the casing joint structure of an electronic installation comprises at least:
One first housing, has a junction surface, this junction surface sequentially has one first protuberance, one first groove and one second protuberance from lateral surface to medial surface direction, wherein, has a difference in height between an end of this first protuberance of this first housing and an end of this second protuberance; And
One second housing has a junction surface, and this junction surface has one first protuberance and one first groove from lateral surface to interior side direction;
Wherein, this first groove at this junction surface of this first housing and this second protuberance are respectively with respect to this first protuberance and this first groove at this junction surface of this second housing, and this lateral surface adjacency at the medial surface of this first protuberance at this junction surface of this first housing and this junction surface of this second housing, and an end of this first protuberance of this first housing and an outer surface of this second housing are positioned in fact on the same level face, and this first housing is engaged each other with this second housing.
2. the casing joint structure of electronic installation as claimed in claim 1, wherein also has a fin on this first protuberance at this junction surface of this second housing, with when this first housing engages with this second housing, make this fin implant the inwall of this first groove of this first housing.
3. the casing joint structure of electronic installation as claimed in claim 1, wherein also has a fin on this second protuberance at this junction surface of this first housing, with when this first housing engages with this second housing, make this fin implant the inwall of this first groove of this second housing.
4. the casing joint structure of electronic installation as claimed in claim 1, wherein the width of this first protuberance of this second housing is in fact less than the width of this first groove of this first housing, and the width of this second protuberance of this first housing is in fact less than the width of this first groove of this second housing.
5. the casing joint structure of electronic installation as claimed in claim 1, wherein this first housing engages by ultrasonic waves welding mode with this second housing.
6. the casing joint structure of electronic installation as claimed in claim 1, wherein this first housing is box body, this second housing be lid and plate body one of them, and this lateral surface at this junction surface of this first housing is essentially the plane.
7. the casing joint structure of electronic installation as claimed in claim 1, wherein this first protuberance of this first housing forms an opening in this first housing definition, and this second housing is embedded at this opening of this first housing, and
This second housing is after being embedded at this opening of this first housing, and the end of this first protuberance of this first housing and an outer surface of this second housing are positioned in fact on the same level face.
8. case of electronic device connected structure as claimed in claim 1, wherein this junction surface of this second housing also comprises a platform, this platform and the definition of this first protuberance form this first groove, and the side adjacency of this second protuberance of the side of this platform of this second housing and this first housing.
9. the casing joint structure of an electronic installation comprises at least:
One first housing, has a junction surface, this junction surface sequentially has one first protuberance, one first groove and one second protuberance from lateral surface to medial surface direction, wherein, have a difference in height between one end of this first protuberance of this first housing and an end of this second protuberance, this first protuberance forms an opening at this first housing; And
One second housing has a junction surface, and this junction surface sequentially has one first protuberance and one first groove from lateral surface to interior side direction;
Wherein, this first groove at this junction surface of this first housing and this second protuberance are with respect to this first protuberance and this first groove at this junction surface of this second housing, and this second housing is embedded at this opening of this first housing, and an end of this first protuberance of this first housing and an outer surface of this second housing are positioned in fact on the same level face, and this first housing is engaged each other with this second housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710166945 CN101431869B (en) | 2007-11-08 | 2007-11-08 | Casing joint structure of electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710166945 CN101431869B (en) | 2007-11-08 | 2007-11-08 | Casing joint structure of electronic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101431869A CN101431869A (en) | 2009-05-13 |
| CN101431869B true CN101431869B (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710166945 Active CN101431869B (en) | 2007-11-08 | 2007-11-08 | Casing joint structure of electronic device |
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| CN (1) | CN101431869B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011001975A1 (en) | 2009-06-29 | 2011-01-06 | 京セラ株式会社 | Terminal box for solar cell modules, and solar cell module using same |
| CN109755794A (en) * | 2017-11-06 | 2019-05-14 | 广东皓英电子科技有限公司 | Pin connector |
| EP3576506A1 (en) * | 2018-05-31 | 2019-12-04 | Apple Inc. | Double shear weld joint for electronic enclosures |
| CN113763999B (en) * | 2021-08-30 | 2023-04-14 | 北京航天飞腾装备技术有限责任公司 | Solid-state storage device for data storage on bomb |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5153380A (en) * | 1991-06-11 | 1992-10-06 | Chang Chia Shine | Wave separator housing structure |
| CN1547427A (en) * | 2003-12-16 | 2004-11-17 | 台达电子工业股份有限公司 | Shell body joint structure and jointing method thereof |
| CN1575115A (en) * | 2003-05-30 | 2005-02-02 | 株式会社京浜 | Circuit board accommodation box |
-
2007
- 2007-11-08 CN CN 200710166945 patent/CN101431869B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5153380A (en) * | 1991-06-11 | 1992-10-06 | Chang Chia Shine | Wave separator housing structure |
| CN1575115A (en) * | 2003-05-30 | 2005-02-02 | 株式会社京浜 | Circuit board accommodation box |
| CN1547427A (en) * | 2003-12-16 | 2004-11-17 | 台达电子工业股份有限公司 | Shell body joint structure and jointing method thereof |
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| CN101431869A (en) | 2009-05-13 |
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