CN102752997A

CN102752997A - Isolation box

Info

Publication number: CN102752997A
Application number: CN2011101049651A
Authority: CN
Inventors: 陈建荣; 谢青峰
Original assignee: Askey Computer Corp
Current assignee: Askey Computer Corp
Priority date: 2011-04-22
Filing date: 2011-04-26
Publication date: 2012-10-24
Also published as: US20120267363A1; TW201244597A

Abstract

An insulated cabinet comprising: the door plate is composed of an inner plate and an outer plate which are overlapped, and because a spring is arranged between the inner plate and the outer plate to provide the inner plate with buffering and pressing functions, when the door plate covers the opening to carry out signal test, the position of the inner plate can be properly adjusted to enable the inner plate to seal the opening, so that the door plate effectively seals the isolation box to avoid signal leakage.

Description

Shielded box

Technical field

The present invention relates to a kind of Signal Isolation Technology, refer in particular to and relate to a kind of shielded box that is used for isolation signals.

Background technology

Flourish along with electronic industry, it is compact that electronic product is tending towards on kenel, on function, then marches toward the R&D direction of high-performance, high function, high-speedization gradually.General electronic products all need be carried out specification and detected, and electromagnetic interference test for example is so that electronic product meets relevant regulations.When testing, can earlier electronic product be positioned in the isolation environment, detect again, and this isolation environment for example is isolation ward (shielding room) or shielded box (shielding box).

See also Fig. 1, be to detect in the prior art shielded box 1 of usefulness, it comprise casing 12 with opening 120, this opening 120 of folding door-plate 13, be located at division board 14 on this door-plate 13, connect the bolt 15 and the hinge 16 of this door-plate 13 and casing 12.Have the isolation material on the internal face of this casing 12, and this door-plate 13 has raised line 130, and this casing 12 has the groove 121 of this raised line 130 of engaging.These division board 14 loose fits are on the internal face around this opening 120 again, and this bolt 15 is the manual type bolt, and its material selection steel.

But; When opening this door-plate 13, need to open this bolt 15 with manual mode, make this door-plate 13 after repeatedly folding is used; This bolt 15 becomes flexible because of wearing and tearing easily; So that the raised line 130 of this door-plate 13 can't be kept driving fit with the groove 121 of this casing 12, cause this shielded box 1 airtight bad, cause signal to leak with around this bolt 15 from this opening 120 easily.

Moreover shielded box 1 employed hinge 16 of the prior art for asymmetric two steel discs 160 side by side are individually fixed on this casing 12 and this door-plate 13, drives these door-plate 13 foldings by rotating shaft 161 again.Because of this two steel disc 160 is side by side asymmetric; Make this door-plate 13 after folding is repeatedly used, two steel discs, 160 easy deformation and become flexible are so that this door-plate 13 and this casing 12 can't be kept driving fit; Cause this shielded box 1 airtight bad, cause signal around this opening 120, to leak easily.

Therefore, how to avoid the door-plate of shielded box in the above-mentioned prior art and the problem that casing can't be kept driving fit, real is current target to be solved.

Summary of the invention

For overcoming prior art problems, the present invention provides a kind of shielded box, mainly door-plate is improved, no matter the state of bolt or hinge, all can avoid this shielded box that airtight bad and problem that signal is leaked takes place why.

In one aspect of the invention, a kind of shielded box is provided, has it is characterized in that, having comprised: casing has accommodation space and is communicated with extraneous opening; And door-plate, can be articulated in this casing one side for this opening of sealing closedly, and this door-plate has outside plate in the outside, at the inner panel of inboard and be located between this outside plate and the inner panel to keep the spring of this inner panel elasticity beat nargin.

Door-plate of the present invention can be articulated in this casing one side for this opening of sealing closedly, and this door-plate has outside plate in the outside, at the inner panel of inboard and be located between this outside plate and the inner panel to keep the spring of this inner panel elasticity beat nargin.

Shielded box of the present invention is by the door-plate of double-deck plate body (inner panel and outside plate), to have the isolating function that two-layer prevention leaks.

Moreover; Supply this inner panel to make the elasticity beat by spring, make to have between this outside plate and the inner panel and cushion and urgent function, after covering this opening when this door-plate; Can suitably adjust the position of this inner panel; Make this opening of this inner panel sealing, make the door-plate of double-deck plate body (inner panel and outside plate) effectively seal this shielded box, thereby avoid taking place between this inner panel and the outside plate airtight bad and problem that signal is leaked.

Description of drawings

Fig. 1 is the schematic perspective view for shielded box in the prior art.

Fig. 2 A is a shielded box opening schematic perspective view of the present invention.

Fig. 2 B is the door-plate three-dimensional exploded view of shielded box of the present invention.

Fig. 2 C is the door-plate partial cutaway schematic of shielded box of the present invention.

Fig. 3 A is that shielded box of the present invention covers the state schematic perspective view.

Fig. 3 B is the bolt sectional perspective enlarged drawing of shielded box of the present invention.

Fig. 3 C is the hinge schematic perspective view of shielded box of the present invention.

The main element symbol description

1 shielded box

12,2 casings

120,20 openings

121,23 grooves

13,3 door-plates

130,310 raised lines

14,4 division boards

15,5 bolts

16,6 hinges

160,60 steel discs

161,61 rotating shafts

21 base plates

22 side plates

The 22a inner surface

24 second rank portions

30 connectors

300 cylinders

300a cap body

301 stators

302 screws

31 outside plates

311 first grooves

312 second grooves

313 the 3rd grooves

32 inner panels

320 first rank portions

321 perforation

33 springs

50 trips

51 button holes

7 tracheaes

The S accommodation space

The P direction

The D spacing

The L direction of displacement

The d degree of depth

The h height.

Embodiment

Below by particular specific embodiment execution mode of the present invention is described, those skilled in the art can understand other advantages of the present invention and effect easily by the content that this specification disclosed.

Notice; The appended graphic structure that illustrates of this specification, ratio, size etc.;,, be not all in order to limit the enforceable qualifications of the present invention for those skilled in the art's understanding and reading only in order to cooperate the content that specification disclosed; So technical essential meaning of tool not; The adjustment of the modification of any structure, the change of proportionate relationship or size is not influencing under effect that the present invention can produce and the purpose that can reach, all should still drop in the scope that disclosed technology contents can contain.Simultaneously; That is quoted in this specification reaches the term of " " etc. like " interior ", " outward ", " side ", " end ", " four "; Also be merely to be convenient to narrate and understand, but not in order to limit the enforceable scope of the present invention, the change of its relativeness or adjustment; Under no essence change technology contents, also ought be regarded as the enforceable category of the present invention.

See also Fig. 2 A to Fig. 2 C, be shielded box of the present invention, it provides an isolation environment, with the test value of accurate detection object; In the present embodiment, in order to isolation signals, with the detected electrons element.Shown in Fig. 2 A, described shielded box comprises a casing 2 with an opening 20, in order to a door-plate 3 of this opening 20 of capping and be located at the division board 4 of this door-plate 3 towards these opening 20 sides.

Said casing 2 is made up of a

rectangular base plate

21 and 22 of four rectangular side panels vertically being located on this base plate 21, and forming an accommodation space S, and this opening 20 is communicated with this accommodation space S with extraneous, has the isolation material on the inner surface 22a of this side plate 22 again.

Said door-plate 3 can be articulated in these casing 2 one sides for this opening 20 of sealing closedly; And shown in Fig. 2 B and Fig. 2 C, have a rectangle outside plate 31, be stacked in a rectangle inner panel 32 on this outside plate 31, connect this outside plate 31 and inner panel 32 four corners four groups of connectors 30 and be located at four springs 33 between this outside plate 31 and the inner panel 32; This spring 33 is divided into four corners of this door-plate 3, makes between this outside plate 31 and the inner panel 32 having average space D.This shielded box makes this door-plate 3 have the isolating function that two-layer prevention leaks by the design of inner panel 32 with outside plate 31.

The area of this outside plate 31 is greater than the area of this opening 20, and the area of this outside plate 31 is also greater than the area of this inner panel 32, and the area of this inner panel 32 is greater than the area of this opening 20 again, but to make this outside plate 31 and inner panel 32 equal this accommodation space of capping S.

Moreover, when this door-plate 3 by 2 one side cover following times of this casing, this outside plate 31 is sticked on this casing 2 to cover this opening 20 with inner panel 32.Shown in Fig. 2 A, this outside plate 31 have around raised line 310, and this casing 2 has the groove 23 of this raised line 310 of engaging around this opening 20; Again this inner panel 32 have around the first rank portion 320, and this casing 2 has the second rank portion 24 of this first rank portion 320 of engaging around this opening 20.

Again, this connector 30 is a T type element, and promptly horizontal stripe portion is fixed on this outside plate 31, and vertical bar portion is fixed on this inner panel 32.In the present embodiment; This connector 30 has stator 301 and is located in the cylinder 300 on this stator 301; This stator 301 is fixed on this outside plate 31 by screw 302, and an end of this cylinder 300 be cap body 300a to be embedded in this outside plate 31, the other end of this cylinder 300 then is riveted in the perforation 321 of this inner panel 32; Make this cylinder 300 expose between this inner panel 32 and the outside plate 31, make this inner panel 32 and outside plate 31 keep preset distance (promptly between the two apart from D).Shown in Fig. 2 B and Fig. 2 C; Second groove 312 that this outside plate 31 has first groove 311 of placing this stator 301 and is located at these first groove, 311 bottom surfaces (does not run through this outside plate 31; Shown in Fig. 2 C); Make this second groove 312 place this cap body 300a, and this stator 301 covers this second groove 312, be embedded in this outside plate 31 to make this cap body 300a.

In addition; This spring 33 is in order to keep this inner panel 32 elasticity beat nargin; When this spring 33 of assembling, earlier this spring 33 is accommodated in the 3rd groove 313 of this outside plate 31, when this connector 30 connects this outside plate 31 with inner panel 32; This inner panel 32 will be depressed this spring 33, and this spring 33 is located between this outside plate 31 and the inner panel 32.Shown in Fig. 2 A, when this door-plate 3 is in open state, can the direction P of this inner panel 32 towards this outside plate 31 be depressed, and this inner panel 32 will be rebounded by this spring 33.

Said division board 4 is located on this inner panel 32, make this inner panel 32 between this division board 4 and outside plate 31, and the area of this inner panel 32 is greater than the area of this division board 4, shown in Fig. 2 A.In the present embodiment, these division board 4 loose fits are on the side plate 22 inner surface 22a around this opening 20.

Shielded box of the present invention supplies this inner panel 32 to make the elasticity beat by this spring 33; Make buffering and urgent usefulness between this outside plate 31 and the inner panel 32; After covering this opening 20 when this door-plate 3, the groove 23 around this opening 20 of the raised line of this outside plate 31 310 engagings, and this spring 33 position that can suitably adjust this inner panel 32 (is moved by the direction of this outside plate 31 towards this opening 20 simultaneously; From top to bottom promptly); So that the second rank portion 24 of the first rank portion 320 these casings 2 of engaging of this inner panel 32 makes this inner panel 32 these openings 20 of sealing, avoids airtight bad and the problem that signal is leaked of generation between this outside plate 31 and the inner panel 32.

If the second rank portion 24 of the first rank portion 320 of this inner panel 32 and this casing 2 is because of wearing and tearing or other factors can't effectively engage the time; Reserve because of the length of this cylinder 300 and to make this inner panel 32 and outside plate 31 keep preset distances; Be moved to the appropriate location so can drive this inner panel 32, to seal this opening 20 by this spring 33.

Moreover this second groove 312 does not run through this outside plate 31, thereby signal leaks from this second groove 312 when avoiding detecting.

Again, the space D between this outside plate 31 and the inner panel 32 can provide this inner panel 32 relative these outside plate 31 displacements (the direction of displacement L shown in Fig. 3 C), so the depth d of this second groove 312 is greater than the height h of this cap body 300a, to reserve the space of displacement.

In addition, this cylinder 300 also can be telescopic, makes the degree of depth of this second groove equal the height of this cap body, and need not to reserve the space of displacement.

See also Fig. 3 A to Fig. 3 C, said shielded box also comprises bolt 5 and the hinge 6 that connects this door-plate 3 and casing 2.

Shown in Fig. 3 A and Fig. 3 B; Said bolt 5 is the pneumatic type bolt; And the good plastic-steel material of its material selection resistance to wear, and be located on this outside plate 31 and this side plate 22, the trip 50 of cylinders (figure does not show) connected by tracheae 7 to control this bolt 5; Make this trip 50 fasten or separate the button hole 51 on this casing 2, make this door-plate 3 fixing or unclamp on this casing 2.Dotted line shown in Fig. 3 A; This trip 50 is a buckling state, and this door-plate 3 is fixed on this casing 2, and by this trip 50 of pneumatic mode control; Make this door-plate 3 after repeatedly folding is used; This trip 50 is not easy to wear, loosening, thereby this door-plate 3 can keep driving fit with this casing 2, avoids this shielded box airtight bad and cause signal from this opening 20 and the problem that leaks around this bolt 5.

Shown in Fig. 3 A and Fig. 3 C; Said hinge 6 has symmetry two steel discs 60 side by side and the rotating shaft 61 of this two steel disc 60 that is coupling that is individually fixed in this side plate 22 and outside plate 31; This door-plate 3 is articulated on this casing 2 by this hinge 6, and can raise or be covered on this casing 2 to make this door-plate 3, and by these two steel discs, 60 symmetries side by side; Make this door-plate 3 after repeatedly folding is used; Two steel discs 60 can not be out of shape with loosening, so this door-plate 3 can be kept driving fit with this casing 2, to avoid the airtight bad and problem that causes signal to leak around this opening 20 of this shielded box.

In sum; Shielded box of the present invention; Be inside and outside plate double layer design mainly, cooperate spring to supply this inner panel buffering and urgent usefulness again, so use this this shielded box of door-plate sealing by this door-plate; No matter the state of bolt or hinge why, effectively avoid this shielded box that airtight bad and problem that signal is leaked takes place.

Said embodiment is in order to illustrative principle of the present invention and effect thereof, but not is used to limit the present invention.Any those skilled in the art all can make amendment to said embodiment under spirit of the present invention and category.So rights protection scope of the present invention, should be listed like claim of the present invention.

Claims

1. An isolation box, characterized in that, comprising:

The box body has an accommodating space and an opening communicating with the outside world; and

A door panel is closably hinged on one side of the box body for closing the opening, and the door panel has an outer panel located on the outside, an inner panel located on the inner side, and is arranged between the outer panel and the inner panel to hold the inner panel Spring with elastic deflection allowance.

2. The isolation box according to claim 1, characterized in that, there is an isolation material on the inner side wall of the box body.

3. The isolation box according to claim 1, further comprising a connecting piece for connecting the outer panel and the inner panel.

4. The isolation box as claimed in claim 3, wherein the connector has a fixed piece and a cylinder with a shaft arranged on the fixed piece, and the fixed piece is fixed on the outer plate so that one end of the cylinder Embedded in the outer plate, and the other end of the column is connected to the inner plate, so that the column is exposed between the inner plate and the outer plate, so that the inner plate and the outer plate maintain a predetermined distance.

5. The isolation box according to claim 4, wherein the outer plate also has a groove, and one end of the column is accommodated in the groove, and the fixing piece covers the groove, so that the column One end of the body is buried in the outer plate.

6 . The isolation box as claimed in claim 5 , wherein the depth of the groove is greater than the height of the cylinder accommodated in the groove. 7 .

7. The isolation box according to claim 1, further comprising an isolation plate, disposed on the inner plate, so that the inner plate is located between the isolation plate and the outer plate, and the area of the inner plate is greater than the area of the isolation plate .

8 . The isolation box according to claim 1 , further comprising a door bolt and a button hole respectively provided at corresponding positions of the outer panel and the box body, for buckling to fix the closed state of the door panel.

9. The isolation box according to claim 8, wherein the latch is a pneumatic latch.

10. The isolation box according to claim 1, further comprising a hinge connecting the door panel and the box body.