CN1578606A

CN1578606A - Hood mounting structure for electronic equipment

Info

Publication number: CN1578606A
Application number: CN 200410062169
Authority: CN
Inventors: 三野芳裕; 原田博
Original assignee: Alps Electric Co Ltd
Current assignee: Alps Alpine Co Ltd
Priority date: 2003-07-07
Filing date: 2004-07-06
Publication date: 2005-02-09
Anticipated expiration: 2024-07-06
Also published as: JP2005032747A; CN1323571C

Abstract

Provided is a cover attaching structure for electronic equipment in which a cover can be attached surely to the electronic equipment and which can be miniaturized suitably. A cover (7) has a plate-shaped section (7a) covering an opened section (1a), mounting legs (7c) bent from the plate-shaped section (7a), and locking sections (7d) provided at ends of the mounting legs (7c) and locked to locking holes (3a). Since the mounting legs (7c) are formed to gradually become broader in width as going to the plate-shaped section (7a) from the locking sections (7d), the legs (7a) are returned to their original states from outwardly opened states until the locking sections (7d) are fitted in the locking holes (3a) so that the locking sections (7d) are fitted in the holes (3a). Therefore, the legs (7c) are surely returned to the original states before being opened without causing plastic deformation in the opened states, and the locking sections (7d) can be locked surely to the locking holes (3a). Consequently, the cover (7) can be attached surely to the electronic equipment.

Description

The case mounting structure of electronic equipment

Technical field

The present invention relates to a kind of case mounting structure that is applicable to the electronic equipment in TV tuner (テレ PVC チユ one Na) etc.

Background technology

Accompanying drawing to the case mounting structure of in the past electronic equipment describes, and Fig. 9 is the exploded perspective view of the case mounting structure of electronic equipment in the past, and Figure 10 is the cutaway view of major part of the case mounting structure of electronic equipment in the past.

Below, according to Fig. 9, Figure 10 the structure of the case mounting structure of in the past electronic equipment is described, the framework 51 that the metallic plate bending is formed for mouth word shape has: the opening portion 51a, the 51b that are set at both sides, be set at the hole 51c of the コ word shape of four limits on each of mouthful word shape, be positioned at the hole 51c of コ word shape, be connected and be formed the tongue piece 51d of cantilever beam shape with framework 51, near outstanding downwards a plurality of installation leg 51e at 4 angles.

The barricade 52 that is made of metallic plate has outstanding tab 52a downwards, this barricade 52 is set in the framework 51, be divided into a plurality of compartments in the framework 51, and in barricade 52 is set at framework 51 time, tab 52a becomes the state that is positioned at tongue piece 51d place.

The circuit board 53 that is made of insulated substrate has a plurality of notch part 53a on outer peripheral edges, simultaneously, be provided with the conductive pattern (not shown) that distribution is used from the teeth outwards, on this circuit board 53, is mounted with various electronic units 54, thereby forms circuitry needed.

This circuit board 53 is incorporated in framework 51 with the state that the tab 52a of barricade 52 is positioned at notch part 53a, by scolding tin 55 with tongue piece 51d and tab 52a and be arranged at earthy figure (not shown) on the circuit board 53 be connected, fixing.

At this moment, this tongue piece 51d is grounded on framework 51 with the earthy figure of circuit board 53, reduces scattering and disappearing of heat simultaneously when applying scolding tin 55, and is useful to applying scolding tin 55.

The 1st cover body (upper outlet body) 56 and the 2nd cover body (lower cover) 57 that are made of metallic plate have the tetragonal smooth 56a of tabular portion, 57a respectively, from 4 limits of the 56a of this tabular portion, 57a respectively by side plate 56b, the 57b of rectangular-shaped bending, a plurality of installation leg 56c, the 57c of, root outstanding and leading section formation same widths from this

side plate

56b, 57b.

The 1st cover body 56 with structure like this under the state of the opening portion 51a that covers framework 51 by the 56a of tabular portion, with install the leading section of leg 56c and framework 51 the tabular surface Elastic Contact be installed on the framework 51.

At this moment, leg 56c is installed because root and leading section are same width, the elastic force pressure of leading section a little less than, in addition, installation leg 56c becomes the state with framework 51 Elastic Contact under the state of opening to foreign side, but because root and the leading section of leg 56c are installed is same widths, thus the reaction force of root a little less than, under the state of opening, produce plastic deformation.

In addition, the 2nd cover body 57 makes the leading section of installation leg 57c and the tabular surface Elastic Contact of framework 51 under the state of the opening portion 51b that is covered framework 51 by the 57a of tabular portion, be installed on the framework 51.

At this moment, leg 57c is installed because root and leading section are same widths, the elastic force pressure of leading section a little less than, in addition, installation leg 57c becomes the state with framework 51 Elastic Contact under the state of opening to foreign side, but because root and the leading section of leg 57c are installed is same widths, thus the reaction force of root a little less than, under the state of opening, produce plastic deformation.

In addition, when the 1st, the

2nd cover body

56,57 was mounted, installing between leg 56c, the 57c practises physiognomy with the state of devices spaced apart on above-below direction was provided with over the ground, and therefore, framework 51 becomes on above-below direction greatly, causes volume excessive (for example with reference to patent documentation 1).

Patent documentation 1: the Japan Patent spy opens the 2002-9469 communique

In the case mounting structure of in the past electronic equipment because the root of installation leg 56c, the 57c of the 1st, the

2nd cover body

56,57 is identical with the leading section width, thereby the elastic force pressure of leading section a little less than, the unstable problem of installation is arranged.

In addition, leg 56c is installed, 57c becomes under the state of opening to foreign side and the state of framework 51 Elastic Contact, but because root and the leading section of

leg

56c, 57c are installed is same widths, thereby the reaction force of root a little less than, meeting plastic deformation under the state of opening is existing problem in long-term the use.

Summary of the invention

At this, the installation that the purpose of this invention is to provide a kind of cover body is reliable, is suitable for the case mounting structure of the electronic equipment of miniaturization simultaneously.

As being configured to of the 1st solution that is used to solve the problems of the technologies described above, have: the box-shaped framework that possesses the hook hole, be installed in the circuit board in this framework, under the state of the opening portion that is covered with described framework by hook on described framework and the cover body that is mounted; Described cover body has the tabular portion that is covered with described opening portion, from the installation leg that this tabular portion is bent, be set at this installation leg the end, be fastened on the buckling parts in the described hook hole; Described installation leg along with from described buckling parts to described tabular portion near and be formed with broadening gradually.

In addition, as being configured to of the 2nd solution, described installation leg is widened gradually at dual-side, is formed Eight characters shape.

As being configured to of the 3rd solution, described cover body has the side plate from tabular portion bending, and described cover body has the side plate that is bent from described tabular portion, and the root of described installation leg is connected with described side plate and forms.

As being configured to of the 4th solution, on of described side plate, be set side by side with the described installation leg more than 2 at least.

As being configured to of the 5th solution, described framework becomes the square shape that both sides have described opening portion, and, described cover body has the 1st, the 2nd cover body, be covered with the described opening portion of a side by described the 1st cover body, and be covered with the described opening portion of opposite side by described the 2nd cover body, the ground configuration of the mutual difference of the described installation leg of described the 1st, the 2nd cover body.

Description of drawings

Fig. 1 is the vertical view of the case mounting structure of electronic equipment of the present invention.

Fig. 2 is the vertical view with cover body part otch state of the case mounting structure of electronic equipment of the present invention.

Fig. 3 is the front view of the case mounting structure of electronic equipment of the present invention.

Fig. 4 is the front view of the state that cover body is removed of the case mounting structure of electronic equipment of the present invention.

Fig. 5 is the end view of the case mounting structure of electronic equipment of the present invention.

Fig. 6 is the end view of the state that cover body is removed of the case mounting structure of electronic equipment of the present invention.

Fig. 7 is the cutaway view of the 7-7 line of Fig. 3.

Fig. 8 is the cutaway view of the 8-8 line of Fig. 3.

Fig. 9 is the exploded perspective view of the case mounting structure of electronic equipment in the past.

Figure 10 is the cutaway view of major part of the case mounting structure of electronic equipment in the past.

Embodiment

The description of the drawings of the case mounting structure of electronic equipment of the present invention is, Fig. 1 is the vertical view of the case mounting structure of electronic equipment of the present invention, Fig. 2 is the vertical view with cover body part otch state of the case mounting structure of electronic equipment of the present invention, Fig. 3 is the front view of the case mounting structure of electronic equipment of the present invention, and Fig. 4 is the front view of the state that cover body is removed of the case mounting structure of electronic equipment of the present invention.

In addition, Fig. 5 is the end view of the case mounting structure of electronic equipment of the present invention, and Fig. 6 is the end view of the state that cover body is removed of the case mounting structure of electronic equipment of the present invention, and Fig. 7 is the cutaway view of the 7-7 line of Fig. 3, and Fig. 8 is the cutaway view of the 8-8 line of Fig. 3.

Below, according to Fig. 1～Fig. 8 the structure of the case mounting structure of electronic equipment of the present invention is described, the framework 1 that metallic plate is bent into mouthful word shape and forms has: the opening portion 1a, the 1b that are set at both sides, be set at the コ word shape hole 1c of mouthful word shape four limits on each, be positioned at コ word shape hole 1c, connect framework 1 and be formed the contact chip 2 of cantilever beam shape, the hook hole 1d that is set up in parallel with contact chip and forms is near a plurality of installation leg 1e outstanding downwards 4 angles.

In addition, contact chip 2 is by the connecting portion 2a in a narrow margin that is connected with framework 1, the abutting part 2b bigger than connecting portion 2a with the end that is arranged on this connecting portion 2a, width dimensions constitutes, simultaneously the hole 1c of コ word shape have the avris that is positioned at contact chip 2, the hook hole 3a that forms by the part of hole 1c and another avris that is positioned at contact chip 2, by the hook hole 3b who forms of hole 1c.

And, more being provided with hook hole 1d by framework 1 central portion place than

hook hole

3a, 3b,

hook hole

3a, 3b and hook hole 1d are positioned on the different straight line S1 that are parallel to each other, S2, the S3 as shown in Figure 4, and the state that staggers with the mutual alignment is set up.

In addition, in the above-described embodiments, the situation that 2

hook hole

3a, 3b are set is illustrated, but any one party of

hook hole

3a, 3b also can only be set.

In addition, the situation of contact chip 2 with the cantilever beam shape is illustrated, but also can uses two contact chips that support shapes.

In addition, the situation that framework 1 is provided with opening portion 1a, 1b in both sides is illustrated, but a side opening portion also can only be set.

The circuit board 4 that is made of ceramic substrate etc. has the earthy lateral electrode 6 that is arranged in conductive pattern 5 that the distribution on two-sided or the single face uses and the recess 4b that is arranged on end face 4a, is mounted with various electronic units 7 on this circuit board, forms circuitry needed.

This circuit board 4 is installed in framework 1 with the state that is positioned at framework 1 by suitable means, and when mounting circuit boards 4, the recess 4b that becomes circuit board 4 is mutually opposed with contact chip 2, simultaneously end face 4a and the opposed state of hook hole 1d.

Then, with the interior side pushing of contact chip 2 from the outer direction framework 1 of framework 1, when connecting portion 2a was bent, abutting part 2b became and lateral electrode 6 contacted states, and lateral electrode 6 is grounded on framework 1.

In addition, although not shown at this, abutting part 2b and lateral electrode 6 can be soldered, become both quilts state of conducting reliably.

The 1st cover body (upper outlet body) 7 and the 2nd cover body (lower cover) 8 that are made of metallic plate have the square 7a of tabular portion, 8a respectively, the side plate 7b, the 8b that are bent by the right angle respectively from 4 limits of the 7a of this tabular portion, 8a, root is connected this

side plate

7b, 8b is last and extend a plurality of

installation leg

7c, 8c are arranged on buckling parts 7d, the 8d of く word shape of the end of this

installation leg

7c, 8c.

And, install

leg

7c, 8c with along with from

buckling parts

7d, 8d to

side plate

7b, 8b or the 7a of tabular portion, 8a near and the state widened gradually forms, in this embodiment, widen gradually,

leg

7c, 8c are installed are formed Eight characters shape at the dual-side of

installation foot

7c, 8c.

In addition, in this embodiment, be illustrated, but the side that also can be the folk prescription that leg only is installed widens gradually, in addition, also can be the root that

leg

7c, 8c are installed and directly be connected on the 7a of tabular portion, the 8a the situation that

leg

7c, 8c be formed Eight characters shape is installed.

The 1st cover body 7 with this structure under the 7a of tabular portion covers the state of opening portion 1a of framework 1, buckling parts 7d is fastened among the 3a of hook hole be installed on the framework 1.

At this moment, during till embedding among the hook hole 3a, the state of leg 7c for opening to foreign side is installed to buckling parts 7d, but owing to leg 7c is installed along with broadening gradually away from buckling parts 7d, leg 7c is installed returns (recovery) from the state of opening, buckling parts 7d is embedded in the 3a of hook hole.

That is, leg 7c is installed does not have plastic deformation under open mode, is turned back to the previous status before opening reliably, and buckling parts 7d is fastened among the 3a of hook hole securely simultaneously.

In addition, in the above-described embodiments, illustrated that buckling parts 7d is fastened on the situation among the 3a of hook hole, be fastened among the 3b of hook hole but also can be buckling parts 7d.

In addition, the 2nd cover body 8 under the state of the opening portion 1b that covers framework 1 by the 8a of tabular portion, buckling parts 8d is fastened among the 1d of hook hole be installed on the framework 1.

At this moment, during be embedded among the 1d of hook hole to buckling parts 8d till, the state of leg 8c for opening to foreign side is installed, but owing to leg 8c is installed along with broadening gradually away from buckling parts 8d, leg 8c is installed returns from the state of opening, buckling parts 8d is embedded in the 1d of hook hole.

That is, leg 8c is installed does not have plastic deformation under open mode, is turned back to the previous status before opening reliably, and buckling parts 8d is fastened among the 1d of hook hole securely simultaneously.

In addition, as shown in Figure 3, owing on side plate 7b, the 8b of the 1st, the

2nd cover body

7,8, be set side by side with installation leg 7c, the 8c that 2 above roots broaden, so side plate 7b that adjacent installation leg 7c is mutual or the mutual side plate 8b of installation leg 8c, the installation leg 7c, the 8c that broaden by root become the side plate 7b that exists wide cut on the above-below direction, the state of 8b, can reduce bending (from the come-up of framework 1), can contact well with framework 1.

Moreover, the installation leg 7c, the 8c that broaden by root, become the side plate 7b that exists wide cut on the above-below direction, the state of 8b, can reduce

side plate

7b, 8b width at above-below direction, when can obtaining to be suitable for the structure of small-sized framework 1,1st, installation leg 7c, the 8c of the

2nd cover body

7,8 can make framework 1 reduce volume on above-below direction for by the mutual different states that are provided with (difference).

In addition, in the above-described embodiments, buckling parts 7d to the 1st cover body 7 is fastened among the 3a of hook hole, the situation that the buckling parts 8d of the 2nd cover body 8 is fastened among the 1d of hook hole is illustrated, but also can be when buckling parts 7d is fastened among the 1d of hook hole, buckling parts 8d is fastened among hook hole 3a or the 3b.

In addition, also can not have hook hole 1d, and the buckling parts 7d of the 1st cover body 7 is fastened among the 3a of hook hole, the buckling parts 8d of the 2nd cover body 8 is fastened among the 3b of hook hole.

In addition, have in the framework of opening portion, use a cover body certainly a side.

Electronic equipment with this structure, though not shown at this, under the state that leg 1e break-through motherboard is installed, leg 1e is installed is welded on the motherboard, thereby electronic equipment is installed on the motherboard with horizontal.

In addition, the length direction that electronic equipment also can be framework 1 becomes erectility with respect to motherboard, thereby becomes vertical installment state.

The effect of invention

The case mounting structure of electronic equipment of the present invention has: the box-shaped frame that possesses the hook hole Body is installed in the circuit board in this framework, quilt under the state of the opening portion that is covered with framework Hook is on framework and the cover body that is mounted; Cover body has the tabular section that is covered with the opening portion, From the installation leg that this tabular section is bent, be arranged on this installation leg the end, be fastened on hook Take the buckling parts in the hole; Leg is installed is broadened ground gradually along with approaching from buckling parts to tabular section Be formed.

According to this configuration, be embedded in the hook hole to buckling parts till during the installation leg, from The state of opening to foreign side, along with from buckling parts away from and the installation leg widened gradually be returned, So that buckling parts is embedded in the hook hole, thereby leg is installed does not have plasticity under the state of opening Distortion can be got back to the previous status before opening reliably, and buckling parts can to the fastening in hook hole simultaneously By and firmly, the installation that can access cover body is constructed reliably.

In addition, widen gradually at dual-side because leg is installed, be formed Eight characters shape, thereby to The plastic deformation of the installation leg when the hook hole fastens further reduces, and buckling parts is to the button in hook hole Close more reliable and firmly, can access the more reliable structure of installation of cover body.

In addition because cover body has the side plate that is bent from tabular section, the root that leg is installed with Side plate connects and forms, and has reduced because the peace that the installation of cover body, the repeatedly operation of taking off cause The fatigue of dress leg is gone through for a long time, and buckling parts is reliable and firm to the fastening in hook hole, can Obtain the reliable structure of the installation of cover body.

In addition, owing to the installation leg that on of side plate, is set side by side with at least more than 2, So becoming, the installation leg that the side plate between the adjacent installation leg is widened by root exists The state of wide side plate, thus can reduce bending (from the come-up of framework), can with framework Well contact.

In addition, side plate becomes the shape that exists wider side plate by the installation leg that root broadens Attitude can reduce the width of side plate, thereby can obtain being applicable to the favourable structure of small-sized framework.

In addition, because framework becomes the square shape that both sides have the opening portion, and, cover body has the 1st, the 2nd cover body, be covered with the opening portion of a side by the 1st cover body, and be covered with the opening portion of opposite side, the ground configuration of the mutual difference of the installation leg of the 1st, the 2nd cover body by the 2nd cover body, thereby the duty (スペ one ス Off ア Network ) that leg is installed is good, can reduce the framework volume.

Claims

1, a kind of case mounting structure of electronic equipment is characterized by, and has: possess the box-shaped framework in hook hole, be installed in the circuit board in this framework, under the state of the opening portion that is covered with described framework by hook on described framework and the cover body that is mounted; Described cover body has the tabular portion that is covered with described opening portion, from the installation leg that this tabular portion is bent, be set at this installation leg the end, be fastened on the buckling parts in the described hook hole; Described installation leg along with from described buckling parts to described tabular portion near and be formed with broadening gradually.

2, according to the case mounting structure of the described electronic equipment of claim 1, it is characterized by, described installation leg is widened gradually at dual-side, is formed Eight characters shape.

3, according to the case mounting structure of claim 1 or 2 described electronic equipments, it is characterized by, described cover body has the side plate that is bent from described tabular portion, and the root of described installation leg is connected with described side plate and forms.

4, according to the case mounting structure of the described electronic equipment of claim 3, it is characterized by, on of described side plate, be set side by side with the described installation leg more than 2 at least.

5, according to the case mounting structure of each described electronic equipment in the claim 1,2 or 4, it is characterized by, described framework becomes the square shape that both sides have described opening portion, and, described cover body has the 1st, the 2nd cover body, be covered with the described opening portion of a side by described the 1st cover body, and be covered with the described opening portion of opposite side, the ground configuration of the mutual difference of the described installation leg of described the 1st, the 2nd cover body by described the 2nd cover body.

6, according to the case mounting structure of the described electronic equipment of claim 3, it is characterized by, described framework becomes the square shape that both sides have described opening portion, and, described cover body has the 1st, the 2nd cover body, be covered with the described opening portion of a side by described the 1st cover body, and be covered with the described opening portion of opposite side, the ground configuration of the mutual difference of the described installation leg of described the 1st, the 2nd cover body by described the 2nd cover body.