CN204241524U - A kind of laborsaving fastening shielded box - Google Patents
A kind of laborsaving fastening shielded box Download PDFInfo
- Publication number
- CN204241524U CN204241524U CN201420765981.4U CN201420765981U CN204241524U CN 204241524 U CN204241524 U CN 204241524U CN 201420765981 U CN201420765981 U CN 201420765981U CN 204241524 U CN204241524 U CN 204241524U
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- China
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- upper cover
- shielded box
- fastening
- casing
- laborsaving
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Abstract
The utility model discloses a kind of laborsaving fastening shielded box, the engaging support mechanism comprising casing, upper cover and be arranged between described casing and upper cover; Described casing and upper cover are rotatably linked together by hinge, upper cover can be rotated around casing and realize opening or closing of shielded box; Described engaging support mechanism comprises the holder be fixedly installed on described casing and the buckling base being connected to described upper cover and described holder opposite position, described holder is horizontally arranged with fastening rod, described buckling base comprises the latch hook of rotatable setting, described latch hook end opens has the opening that can hook tight described fastening rod, the described latch hook other end is provided with wind spring, make described latch hook have the trend of rotation, ensure that described shielded box fastens firm; The utility model realizes the laborsaving fastening of shielded box by the engaging support mechanism arranging simple and ingenious structure, needs only to need to promote hand lever when opening or fasten shielded box and can open or buckle engaging support mechanism, simple to operate laborsaving.
Description
Technical field
The utility model relate to a kind of manually easily fasten can provide the shielded box of shielding environment for the test of wireless electronic product.
Background technology
Electromagnetic interference (EMI) (EMI) develops with electronics, electrical technology and occur, every electronics, technical field of electricity all can have electromagnetic interference (EMI).The electromagnetic interference (EMI) that electronics in a large amount of use, electrical system or equipment etc. produce can affect health, also can have an impact to the safety and reliability etc. that electronics, electrical system or equipment are mutual and endanger simultaneously.Severe electromagnetic environment often makes electronics, electrical system or equipment cisco unity malfunction, even causes fault and accident, or affects data when electronic product is tested.
But along with wireless communications products is for the raising of the accuracy requirement of Signal transmissions, electromagnetism interference performance requirement for product is more and more higher, current mobile phone, PDA and associated host circuit board complete the stage in exploitation, all need the test carrying out relevant electromagnetic property, and there is extremely complicated and serious electromagnetic interference (EMI) in general open environment, the degree of accuracy of easily impact test.Therefore, above-mentioned most test all must implement test, to reaching preferably testing precision in the environment of low EMI (or even without Electromagnetic Interference).
The common device of low EMI (without electromagnetic interference (EMI)) test environment that provides is the shielded box of a tool signal shielding function, at present conventional manual type shielding case is in order to ensure mouth between upper and lower casing and closely, general fastening power is larger, manual fastening is also needed after being compressed by buckling surface, operate and all compare effort, cause the labour intensity of operating personnel comparatively large, easily tired, and then have influence on the efficiency of whole shielding test.
Utility model content
It is simple that the purpose of this utility model is to propose a kind of structure for above-mentioned technical matters, rapid operation, can after casing pressing the shielded box of automatic buckling.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of laborsaving fastening shielded box, the engaging support mechanism comprising casing, upper cover and be arranged between described casing and upper cover;
Described casing and upper cover are rotatably linked together by hinge, upper cover can be rotated around of a casing side and realize opening or closing of shielded box;
Described engaging support mechanism comprises the holder be fixedly installed on described casing and the buckling base be connected on described upper cover and described holder opposite position, described holder is horizontally arranged with fastening rod, described buckling base comprises the latch hook of rotatable setting, described latch hook offers the opening that can hook tight described fastening rod matched with described fastening rod near one end of described holder, the described latch hook other end is provided with wind spring, make described latch hook have the trend of rotation, ensure that described shielded box fastens firm.
In the utility model, described holder also comprises and is arranged on described fastening rod two ends and the fixed block be fixedly connected on described casing, and described fastening rod two ends extend respectively protrudes described fixed block.
In the utility model, described buckling base also comprise connecting link and be separately positioned on the binding block at described connecting link two ends and described binding block be fixed on described on cover, described latch hook is movably connected in the outside of described binding block respectively and is connected with the hand lever making described latch hook synchronous rotary between described latch hook, can operate described engaging support mechanism easily by hand lever.
In the utility model, between described casing and upper cover, be provided with Z-type step stitching surface, described Z-type step stitching surface comprise the Z-type concave station that arranges on described casing and be arranged on described on the Z-type boss matched with described Z-type concave station that covers.
In the utility model, described Z-type concave station and Z-type boss post one deck flexible conducting material layer respectively, compress described flexible conducting material layer by described Z-type concave station and Z-type boss and ensure that covering between face between described casing and upper cover fits tightly, effectively improve the conduction adaptation between described casing and upper cover.
In the utility model, the internal face of described casing and upper cover is equipped with the absorbing material layer for strengthening shield effectiveness.
In the utility model, described casing both sides are respectively arranged with handle, facilitate mobile shielded box.
In the utility model, described casing is provided with the data communication interface for connecting outer testing system, this data communication interface comprises for shielding the wave filter and the radio frequency interface for being connected radiofrequency signal that test is powered and data are transmitted.
In the utility model, support bar is provided with between described casing and upper cover, the two ends of described support bar are connected to the inner side of described casing and upper cover, after making shielded box realize unclamping engaging support mechanism, can unpack by appliance for releasing single, ensure that described upper cover is that 70 degree of angles are opened, the operation for shielded box is reserved enough spaces and is provided good sight angle for observing shielded box inner case.
The utility model realizes the laborsaving fastening of shielded box by the engaging support mechanism arranging simple and ingenious structure, needs only to need to promote hand lever when opening or fasten shielded box and can open or buckle engaging support mechanism, simple to operate laborsaving; And ensure the fastening compactedness of shielded box when buckling state by arranging Z-type step stitching surface between casing and upper cover, and then ensure that shielded box has good shielding character.
Accompanying drawing explanation
Fig. 1 is the structural representation one of the shielded box closure state in the utility model one embodiment;
Fig. 2 is the structural representation two of the shielded box closure state in the utility model one embodiment;
Fig. 3 is the structural representation of the shielded box open mode in the utility model one embodiment;
Fig. 4 is the structural representation of the buckling base in the utility model one embodiment;
Fig. 5 is the structural representation of the holder in the utility model one embodiment;
Fig. 6 is the side-looking structural representation of the shielded box closure state in the utility model one embodiment;
Fig. 7 is the A-A sectional structure schematic diagram of Fig. 6;
Fig. 8 is the structure for amplifying schematic diagram at B place in Fig. 7.
Embodiment
In order to be illustrated more clearly in the technical solution of the utility model, below in conjunction with drawings and Examples, the technical solution of the utility model is further elaborated, apparently, the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other embodiment can also be obtained according to these embodiments.
Referring to figs. 1 through Fig. 3, a kind of laborsaving fastening shielded box, comprising the casing 1 for forming shielding test environment and upper cover 2, being provided with the engaging support mechanism 3 that can realize the laborsaving fastening of shielded box between casing 1 and upper cover 2.
With reference to Fig. 3, casing 1 and upper cover 2 are rotatably linked together by hinge 6, upper cover 2 can be rotated around of casing 1 side and realize opening or closing of shielded box.
Engaging support mechanism 3 comprises the holder 31 be fixedly installed on casing 1 and the buckling base 32 being connected to upper cover 2 and holder 31 opposite position.
With reference to Fig. 5, holder 31 is horizontally arranged with fastening rod 311, is arranged on fastening rod 311 two ends and is fixedly connected on the fixed block 312 on casing 1, and fastening rod 311 two ends extend respectively protrudes fixed block 312.
With reference to Fig. 4, buckling base 32 comprises latch hook 321, the connecting link 323 of rotatable setting and is separately positioned on the binding block 322 at connecting link 323 two ends and binding block 322 is fixed on upper cover 2, binding block 322 and connecting link 323 form the stationary body of buckling base 32, latch hook 321 is movably connected in the outside of binding block 322 respectively by rotating shaft 324 and is connected with the hand lever 323 making latch hook 321 synchronous rotary between latch hook 321, can operate engaging support mechanism 3 easily by hand lever 323.
Latch hook 321 offers the opening 321a matched with fastening rod 311 near one end of holder 31, latch hook 321 hooks tight fastening rod 311 by this opening 321a, realizes being locked of engaging support mechanism 3.Preferably, latch hook 321 is provided with wind spring (not shown) at rotating shaft 324 place, makes latch hook 321 have the trend of rotation, can hook tight fastening rod 311, shielded box is fastened firm.
When needing to fasten locking shielded box, latch hook 321 is pulled open by hand lever 323, hand lever 323 is unclamped by after casing 1 and upper cover 2 pressing, latch hook 321 hooks tight fastening rod 311 by the opening 321a supporting with fastening rod 311 and can not unclamp voluntarily without External Force Acting under the effect of wind spring, realizes the reliable locking pressing of shielded box.
If desired open shielded box, pull open latch hook 321 by hand lever 323, fast simple to operation.
With reference to Fig. 6 and Fig. 7, for ensureing the closely sealed row of conduction between shielded box casing 1 and upper cover 2, Z-type step stitching surface 4 is provided with between casing 1 and upper cover 2, with reference to Fig. 8, Z-type step stitching surface 4 comprises the Z-type concave station 41 arranged on casing 1 and the Z-type boss 42 matched with Z-type concave station 41 be arranged on upper cover 2.
Preferably, Z-type concave station 41 and Z-type boss 42 post one deck flexible conducting material layer (not shown) respectively, compress flexible conducting material layer by Z-type concave station 41 and Z-type boss 42 and ensure that covering between face between casing 1 and upper cover 2 fits tightly, conduction adaptation between effective raising casing 1 and upper cover 2, ensures that shielded box has good shielding character.Preferably, this flexible conducting material adopts soft conductive sponge.
Because shielded box is just for the test carried out in shielded box provides an electromagnetic screen environment, therefore need when test carry out powering from outer bound pair shielded box and carry out data transmission with test macro.For this reason, with reference to Fig. 2, casing 1 is provided with the data communication interface 7 for connecting outer testing system, this data communication interface 7 comprises for the wave filter that shielding test is powered and data are transmitted, for connecting radio frequency interface and USB interface and the DB25 interface etc. of radiofrequency signal, the kind of data communication interface 7 and quantity can adjust according to concrete test event, do not enumerate here or limit.
In one embodiment, with reference to Fig. 6, the main body due to shielded box generally adopts metal material to make, and weight is comparatively large, for convenience of shielded box carrying and unpack to change and safeguard, be respectively equipped with handle 5 in casing 1 both sides, convenient mobile or open shielded box.
Preferably, with reference to Fig. 7 and Fig. 8, the internal face of casing 1 and upper cover 2 is equipped with the absorbing material layer 9 for strengthening shield effectiveness, makes shielded box obtain better shielding character.
In one embodiment, with reference to Fig. 3 and Fig. 7, support bar 8 is provided with between casing 1 and upper cover 2, the two ends of support bar 8 are connected to the inner side of casing 1 and upper cover 2, after making shielded box realize unclamping engaging support mechanism 3, can prop up upper cover 2, ensure that upper cover 2 is opened in 70 degree of angles, the operation for shielded box is reserved enough spaces and is provided good sight angle for observing shielded box inner case.
Preferably, this support bar 8 adopts air spring, and upper cover 2 after opening engaging support mechanism 3 can be automatically springed open, and convenient carrying out in shielded box tests relevant operation to shielding.
The utility model realizes the laborsaving fastening of shielded box by the engaging support mechanism arranging simple and ingenious structure, needs only to need to promote hand lever when opening or fasten shielded box and can open or buckle engaging support mechanism, simple to operate laborsaving; And ensure the fastening compactedness of shielded box when buckling state by arranging Z-type step stitching surface between casing and upper cover, and then ensure that shielded box has good shielding character.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. a laborsaving fastening shielded box, is characterized in that: the engaging support mechanism (3) comprising casing (1), upper cover (2) and be arranged between described casing (1) and upper cover (2);
Described casing (1) and upper cover (2) are rotatably linked together by hinge (6);
Described engaging support mechanism (3) comprises the holder (31) be fixedly installed on described casing (1) and the buckling base (32) be connected on described upper cover (2) and described holder (31) opposite position, described holder (31) is provided with fastening rod (311), described buckling base (32) comprises the latch hook (321) of rotatable setting, described latch hook (321) offers near one end of described holder (31) the opening (321a) matched with described fastening rod (311), described latch hook (321) other end is provided with wind spring.
2. a kind of laborsaving fastening shielded box as claimed in claim 1, it is characterized in that: described holder (31) also comprises and is arranged on described fastening rod (311) two ends and the fixed block (312) be fixedly connected on described casing (1), described fastening rod (311) two ends extend respectively protrudes described fixed block (312).
3. a kind of laborsaving fastening shielded box as claimed in claim 1, it is characterized in that: described buckling base (32) also comprises connecting link (323) and is separately positioned on the binding block (322) at described connecting link (323) two ends and described binding block (322) is fixed on described upper cover (2), and described latch hook (321) is movably connected in the outside of described binding block (322) respectively and is connected with the hand lever (323) making described latch hook (321) synchronous rotary between described latch hook (321).
4. a kind of laborsaving fastening shielded box as claimed in claim 1, it is characterized in that: be provided with Z-type step stitching surface (4) between described casing (1) and upper cover (2), described Z-type step stitching surface (4) comprises the Z-type concave station (41) arranged on described casing (1) and the Z-type boss (42) matched with described Z-type concave station (41) be arranged on described upper cover (2).
5. a kind of laborsaving fastening shielded box as claimed in claim 4, is characterized in that: described Z-type concave station (41) and Z-type boss (42) post one deck flexible conducting material layer respectively.
6. a kind of laborsaving fastening shielded box as claimed in claim 1, is characterized in that: the internal face of described casing (1) and upper cover (2) is equipped with the absorbing material layer (9) for strengthening shield effectiveness.
7. a kind of laborsaving fastening shielded box as claimed in claim 1, is characterized in that: described casing (1) both sides are respectively arranged with handle (5).
8. a kind of laborsaving fastening shielded box as claimed in claim 1, it is characterized in that: described casing (1) is provided with the data communication interface (7) for connecting outer testing system, this data communication interface (7) comprises for shielding the wave filter and the radio frequency interface for being connected radiofrequency signal that test is powered and data are transmitted.
9. a kind of laborsaving fastening shielded box as claimed in claim 1, it is characterized in that: be provided with support bar (8) between described casing (1) and upper cover (2), the two ends of described support bar (8) are connected to the inner side of described casing (1) and upper cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420765981.4U CN204241524U (en) | 2014-12-08 | 2014-12-08 | A kind of laborsaving fastening shielded box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420765981.4U CN204241524U (en) | 2014-12-08 | 2014-12-08 | A kind of laborsaving fastening shielded box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204241524U true CN204241524U (en) | 2015-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420765981.4U Active CN204241524U (en) | 2014-12-08 | 2014-12-08 | A kind of laborsaving fastening shielded box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204241524U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738664A (en) * | 2016-01-29 | 2016-07-06 | 宇龙计算机通信科技(深圳)有限公司 | Radio frequency test shielding box |
| CN105899060A (en) * | 2016-06-30 | 2016-08-24 | 张春生 | Shielding box for intelligent remote controller |
| CN109725181A (en) * | 2019-01-25 | 2019-05-07 | 嘉兴佳利电子有限公司 | A kind of one with shield effectiveness drags multimode radio frequency testing jig |
-
2014
- 2014-12-08 CN CN201420765981.4U patent/CN204241524U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738664A (en) * | 2016-01-29 | 2016-07-06 | 宇龙计算机通信科技(深圳)有限公司 | Radio frequency test shielding box |
| CN105738664B (en) * | 2016-01-29 | 2018-12-25 | 宇龙计算机通信科技(深圳)有限公司 | Radio frequency testing shielding box |
| CN105899060A (en) * | 2016-06-30 | 2016-08-24 | 张春生 | Shielding box for intelligent remote controller |
| CN109725181A (en) * | 2019-01-25 | 2019-05-07 | 嘉兴佳利电子有限公司 | A kind of one with shield effectiveness drags multimode radio frequency testing jig |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |