CN2492044Y

CN2492044Y - Electronic card shell of preventing electromagnetic wave interference

Info

Publication number: CN2492044Y
Application number: CN 01222346
Authority: CN
Inventors: 童明辉; 王华利
Original assignee: Molex LLC
Current assignee: Molex LLC
Priority date: 2001-04-28
Filing date: 2001-04-28
Publication date: 2002-05-15
Anticipated expiration: 2011-04-28

Abstract

The utility model provides an electronic card shell of preventing electromagnetic wave interference, which comprises an upper casing body, a lower casing body and a conductivity cloth, wherein a first extending section and a second extending section are respectively extended from two side edges of the upper casing body; a first folding section and a second folding section corresponding to the first extending section and the second extending section of the upper casing body are respectively arranged at the side edges of the lower casing body. The first folding section can be butted by the first extending section, and the second folding section can be butted by the second extending section. The conductivity cloth is arranged between the contact surface of the second extending section and the second folding section so that the first extending section is mutually fixed and electrically connected with the second folding section. Thus, the upper casing and the lower casing form a good magnetic conduction shell having the characteristic of preventing electromagnetic wave interference.

Description

Electronic cards housing with the Electromagnetic Interference of preventing

The utility model relates to a kind of electronic cards housing with the Electromagnetic Interference of preventing, be meant especially a kind of be convenient to assemble and have good electrically connection performance with the electronic cards housing of eliminating Electromagnetic Interference,

As shown in Figures 1 and 2, be that the applicant applies for a kind of electronic cards structure of notebook computer or other electronic installations etc. and outward appearance after the combination thereof of can be applicable to formerly.This electronic cards includes an electronic cards circuit module 2, one electric connector 3 and a housing 1. are wherein, electronic cards circuit module 2 is generally a circuit board that is provided with required integrated circuit (IC) wafer of function and circuit path, the one end electrically connects this electric connector 3, and electric connector 3 has a connector socket 31, and be provided with a plurality of terminal channels 311 in connector body 31 1 sides, in the terminal channel 311 respectively correspondence be plugged with the plural conductive terminal, make can power subcard circuit module 2 and corresponding electronic installation (figure does not show) of conducting terminal make the usefulness of electric connection, again, housing 1 includes a upper cover body 11 and a lower cover 12, being all the metal lamellar body that is stamped to form forms, and the two side ends of upper cover body 11 has first extension 111 and second extension 112 that downward bending side frame is arranged that is provided with a plurality of trips 1111 respectively, relatively be provided with one first bending segment 121 and one second bending segment 122 in 12 of lower covers in addition, make first bending segment 121 inwardly form flanging in, interior flanging is provided with the breach 1211 of corresponding trip 1111 positions, and second bending segment 122 also inwardly forms the interior flanging of a cooperation second extension 112 side frame shapes, make on first extension 111 of upper cover body 11 trip 1111 earlier with the breach 1211 involutory clampings of first bending segment 121 of lower cover 12 after, again as shown in Figure 3, the side frame of second extension 112 of upper cover body 11 is engaged in the interior flanging of second bending segment 122 of lower cover 12, inside forms an accommodation space and electronic cards circuit module 2 and electric connector 3 can be placed in it to make upper cover body 11 combine afterwards with lower cover 12, and outside the terminal channel with conducting terminal 311 that makes electric connector 3 is revealed in, at last, in second bending segment, 122 outsides of lower cover 12 with the mode (arrow direction as shown in Figure 3) of spot welding and second extension, 112 fixed engagement of upper cover body 11.

And be to reach the purpose that prevents Electromagnetic Interference, except that upper cover body 11 and lower cover 12 are metal material makes, after being bonded to each other, upper cover body 11 and lower cover 12 form a complete conductor, eliminate in order to guiding ground connection behind the induced electricity magnetic wave, therefore, first extension 111 of upper cover body 11 and second extension 112 and first bending segment 121 of relative lower cover 12 and the joint of second bending segment 122, not only need possess outside the function of assembling, it electrically connects the very corrupt of characteristic, the ability that housing 1 prevents Electromagnetic Interference will directly or indirectly be influenced, with above-mentioned structure, it is breach 1211 clampings by the trip 1111 of first extension 111 and first bending segment 121, and engage with 112 tightenings of second extension in the mode of spot welding in second bending segment, 122 outsides and reach upper cover body 11 and the lower cover 12 electrical purposes that engage, yet, in the middle of the actual fabrication process, the program that imposes spot welding in second bending segment, 122 outsides needs expensive spot-welding equipment and facility, not only cause cost of manufacture to increase, and the some postwelding only forms at the solder joint place and electrically connects, therefore the effect that electrically connects is desirable not to the utmost, relatively also can influence the characteristic that housing 1 disturbs for anti electromagnetic wave, so under the consideration with regard to anti electromagnetic wave interference and cost of manufacture, the juncture of housing 1 is still had the space of improvement.

Therefore, main purpose of the present utility model is to have assembling easily and electrically connect the characteristic good electron body that gets stuck providing a kind of.

So the electronic cards housing with the Electromagnetic Interference of preventing of the present utility model is to comprise a upper cover body, a lower cover and a conduction patch.This upper cover body both side edges is extended one first extension and one second extension respectively.This lower cover both side edges is then extended with respect to first of this upper cover body respectively and second extension is provided with one first bending segment and one second bending segment, make this first bending segment engage for this first extension interlocking, second bending segment then can supply this second extension clamping, in order to do this upper cover body is combined with this lower cover.And this conduction patch is located between the contact-making surface of this second extension and this second bending segment, make this first extension and this second bending segment affixed and electrical joint mutually, and then make this upper cover body and lower cover form good magnetic conduction casing and have the characteristic of the Electromagnetic Interference of preventing.

Other features of the present utility model and advantage in the following detailed description that cooperates with reference to graphic preferred embodiment, can clearly be understood, in graphic:

Fig. 1 is a kind of schematic appearance of electronic cards.

Fig. 2 is the electronic cards structure decomposing schematic representation of Fig. 1.

Fig. 3 is the joint part cross-sectional schematic of Fig. 1 electronic cards housing, in order to engaging of second bending segment of second extension and the lower cover of explanation upper cover body.

Fig. 4 is a preferred embodiment casing structure decomposing schematic representation of the present utility model.

Fig. 5 is this embodiment shell combination rear section cross-sectional schematic, in order to engaging of second bending segment of second extension and the lower cover of explanation upper cover body.

See also Fig. 4 and shown in Figure 5, the preferred embodiment with electronic cards housing 4 of the Electromagnetic Interference of preventing of the present utility model is to include a upper cover body 41, a lower cover 42 and a conduction patch 43.And it is identical with the effect of general electronic cards housing, upper cover body 41 with can form an accommodation space after lower cover 42 combines, make it can hold the electric connector that an electronic cards circuit module and is electrically connected at electronic cards circuit module one end, and the electronic cards circuit module is identical with aforementioned known techniques with electric connector, and be not emphasis of the present utility model, so repeat no more in this.Wherein:

This upper cover body 41, its both side edges is extended one first extension 411 and one second extension 412 respectively, and first extension 411 is provided with two trips 4111 that outwards protrude, 412 formation one in second extension are the side frame of downward bending, and the terminal edge of side frame further is formed with an intilted guiding face 4121.

This lower cover 42, its both side edges is provided with one first bending segment 421 and one second bending segment 422 with respect to first extension 411 and second extension 412 of this upper cover body 41 respectively, the terminal edge of first bending segment 421 is provided with flanging in, and interior flanging is provided with the breach 4211 of two corresponding upper cover body 41 trips 4111, make that breach 4211 just can be chimeric mutually with trip 4111, and second bending segment 422 forms the interior flanging of a corresponding side frame shape, can keep supplying second extension, 412 clampings of lid 41.

This conducts electricity patch 43, it is the patch that the two sides has viscosity and conductive characteristic, its length can cooperate second extension 412 and the length that second bending segment 422 contacts, and is located between the interior flanging medial surface of the side frame lateral surface of second extension 412 and second bending segment 422.

During combination, conduction patch 43 can simultaneously be pasted on it interior flanging medial surface of second bending segment 422 of lower cover 42 in advance, after in lower cover 42, placing electronic cards circuit module and electric connector (figure does not show), make first extension 411 of upper cover body 41 involutory again in first bending segment 421 of lower cover 42, the trip 4111 of first extension 411 is embedded in the breach 4211 of first bending segment 421 and locating engagement, then, second extension 412 of upper cover body 41 again with second bending segment, 422 pressings of lower cover 42, please be simultaneously with reference to shown in Figure 5, after making the EDGE CONTACT of interior flanging of the guiding face 4121 of the terminal edge of side frame of second extension 412 and second bending segment 422, both all slightly produce strain and make second extension 412 engage the interior flanging inboard that enters second bending segment 422 smoothly, after the interior flanging for the treatment of the side frame of second extension 412 and second bending segment 422 is replied original shape, second extension, 412 side frame lateral surfaces will closely contact with the inner face of the interior flanging of second bending segment 422, and the conduction patch 43 that has fitted on the interior flanging inner face of second bending segment 422 will further be fitted with the side frame lateral surface of second extension 412, by the cementation of conduction patch 43, make second extension 412 of upper cover body 41 and second bending segment 42 of lower cover 42 no longer need the spot welding operation and can finish affixed purpose.

In addition, outside, guiding face 4121 edge in second extension 412 of upper cover body 41 can be provided with a plurality of salient points 4122 along edge distribution, in second extension 412 of upper cover body 41 with after second bending segment 422 of lower cover 42 engages, salient point 4122 also can form with lower cover 42 and contact, and provide more electric connection point, by this, more can further strengthen the electric connection characteristic of upper cover body 41 and lower cover 42, with the effect of guaranteeing that housing 4 anti electromagnetic waves disturb.

In sum, the electronic cards housing with the Electromagnetic Interference of preventing of the present utility model includes a upper cover body, a lower cover and a conduction patch.It is characterized in that: utilize the firm joint device of conduction patch as second bending segment of second extension of upper cover body and lower cover, not only save the spot welding operation, significantly reduce cost of manufacture, has the good binding effect, more possesses the characteristic that electric connection is arranged because of the conduction patch, making upper cover body and lower cover electrically connect characteristic is good far beyond spot welding, and makes whole housing form good conductor to eliminate electromagnetic influence.

The above person of thought, it only is preferred embodiment of the present utility model, mention in wherein illustrating and illustrating that the lock structure between relevant elements is not certain, when not limiting the scope that the utility model is implemented with this, the i.e. equivalence of doing according to the utility model claim and description generally changes and modifies, and all should still belong to the scope that the utility model patent contains.

1 housing, 4 housings

11 upper cover body, 41 upper cover body

411 first extensions, 111 first extensions

1111 snap fits, 4111 snap fits

412 second extensions, 112 second extensions

12 lower covers, 4121 guiding faces

121 first bending segments, 4122 salient points

1211 lack 42 lower covers

122 second bending segments, 421 first bending segments

2 electronic cards circuit module, 4211 breach

3 electric connectors, 422 second bending segments

The 43 conduction patches of 31 connector bodies

311 terminal channels

Claims

1. electronic cards housing that can prevent Electromagnetic Interference electrically connects the electric connector of this electronic cards circuit module in order to a ccontaining electronic cards circuit module and, and this housing comprises:

One upper cover body, its both side edges are extended one first extension and one second extension respectively;

One lower cover, its both side edges is provided with one first bending segment and one second bending segment with respect to first extension and second extension of this upper cover body respectively, make this first bending segment engage for this first extension interlocking, second bending segment then can supply this second extension clamping, and this upper cover body is combined with this lower cover;

One conduction patch, be located between the contact-making surface of this second extension and this second bending segment, make this first extension and this second bending segment affixed and electrical joint mutually, and then make this upper cover body have the characteristic of the Electromagnetic Interference of preventing with lower cover formation favorable conductive.

2. the electronic cards housing that prevents Electromagnetic Interference as claimed in claim 1, wherein, second extension of this upper cover body forms a side frame, the end of this side frame is formed with an intilted guiding face, this second bending segment then forms a pair of interior flanging that should side frame, make this its guide surface of side frame mat and with this in the flanging clamping, this conduction patch then is positioned between this side frame and contact-making surface that should flanging.

3. the electronic cards housing that prevents Electromagnetic Interference as claimed in claim 1, wherein, first extension of this upper cover body is provided with a trip at least, and the terminal edge of first bending segment of this lower cover is provided with flanging in, flanging is provided with the breach of a corresponding Ka Gou at least in being somebody's turn to do, this trip of mat and this breach are rabbeted mutually, make first extension of this upper cover body engage the location with first bending segment of this lower cover.

4. the electronic cards housing that prevents Electromagnetic Interference as claimed in claim 2, wherein, the guiding face edge of second extension of this upper cover body is provided with more than one salient point to contact this lower cover, in order to strengthen the electrical engagement characteristics of this upper cover body and this lower cover.