CN208609335U - Shielding box - Google Patents
Shielding box Download PDFInfo
- Publication number
- CN208609335U CN208609335U CN201821286818.4U CN201821286818U CN208609335U CN 208609335 U CN208609335 U CN 208609335U CN 201821286818 U CN201821286818 U CN 201821286818U CN 208609335 U CN208609335 U CN 208609335U
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- CN
- China
- Prior art keywords
- shield bracket
- notch
- shielding
- side walls
- screening cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to technical field of communication equipment, a kind of shielding box is provided, it include: that screening cover includes shielding lid top wall and multiple screening cover side walls, multiple screening cover side walls are extended by the side of shielding lid top wall, shielding lid top wall has the first turning for being recessed inwardly, and forms the first notch between two screening cover side walls connecting on two sides at the first turning；Shield bracket includes shield bracket roof and multiple shield bracket side walls, multiple shield bracket side walls are extended by the side of shield bracket roof, shield bracket roof has the second turning for being recessed inwardly, and forms the second notch between two shield bracket side walls connecting on two sides at the second turning；First notch and the overlapping of the second barbed portion.By the above-mentioned means, may make the opening width of shielding box smaller, to make the shielding box that there is good shield effectiveness, to meet the requirement to the shield effectiveness of mobile phone radio-frequency screening box.
Description
[technical field]
The utility model relates to technical field of communication equipment more particularly to a kind of shielding boxs.
[background technique]
Electro Magnetic Compatibility refers to that electronic component, electronic equipment or system can well be run in locating electromagnetic environment,
And the ability for the electromagnetic interference for being difficult to bear is not generated to environment where it.To reach this effect it is necessary to corresponding electronics
Component or circuit take corresponding shielding measure.
With the development of modern electronic technology, especially various extensive and very large scale integration technology development,
More and more integrated circuits and VLSI chip are manufactured.Due to these chips power consumption increasingly
Greatly, and there is certain electromagnetic radiation, in order to work normally it and other circuits not interfered to work, screen must just be passed through
It covers box and provides electromagnetic shielding for circuit chip.
Mobile phone radio frequency shielding box is to utilize shield of various shapes made of conductive material.As preventing electromagnetic interference
Electromagnetic field can be limited within the scope of certain space by conventional device, shielding box, realize the shielding to radiator and Sensitive Apparatus
Protection.
Mobile phone radio frequency shielding box is constructed according to structure, common two types.One is single type, advantage is whole height
Low, shield effectiveness is preferable, and shortcoming is maintenance not easy to disassemble.Another is two-piece type, and advantage is repaired for convenience, the disadvantage is that
Assembly is complicated.
In the process of implementing the utility model, the inventor finds that the existing technology has at least the following problems: with the 5th
The application of third-generation mobile communication technology, mobile phone radio frequency frequency are continuously improved, the requirement to the shield effectiveness of mobile phone radio-frequency screening box
It is higher and higher；In the prior art, lack a kind of good shielding box of shield effectiveness.
[utility model content]
In order to solve the above-mentioned technical problem, the utility model embodiment provides a kind of good shielding box of shield effectiveness.
In order to solve the above technical problems, the utility model embodiment the following technical schemes are provided:
A kind of shielding box, comprising:
Screening cover includes shielding lid top wall and multiple screening cover side walls, and multiple screening cover side walls are by the shielding caping
The side of wall extends, and the shielding lid top wall has the first turning being recessed inwardly, two sides with first turning
The first notch is formed between two connected on side the screening cover side wall；
Shield bracket includes shield bracket roof and multiple shield bracket side walls, and multiple shield bracket side walls are by described
The side of shield bracket roof extends, and the shield bracket roof has the second turning being recessed inwardly, with described second
The second notch is formed between the two shield bracket side walls connected on two sides at turning；
The inner surface of the shielding lid top wall is abutted with the outer surface of the shield bracket roof, multiple screening cover sides
The inner surface of wall is abutted with the outer surface of multiple shield bracket side walls respectively；
First notch and second barbed portion overlapping.
In some embodiments, the inner surface of the screening cover side wall is provided with multiple lug bosses, the shield bracket side
Wall is provided with multiple accepting holes corresponding with the lug boss, and the lug boss is embedded in the accepting hole.
In some embodiments, the lug boss is cylindrical or semicircle is spherical.
In some embodiments, the inner surface of the screening cover side wall is provided with multiple lug bosses, the shield bracket side
Wall is provided with multiple containers corresponding with the lug boss, and the lug boss is embedded in the container.
In some embodiments, the shield bracket roof is provided with multiple hollowed out areas.
In some embodiments, the width of first notch is equal to or more than the height of the screening cover side wall；It is described
The width of second notch is equal to or more than the height of the shield bracket side wall.
In some embodiments, first notch and the second notch lap, which are formed, is open, the opening
Width is less than the width of first notch, and the width of the opening is less than the width of second notch.
In some embodiments, the width of the opening is 0.035mm.
In some embodiments, the inner surface of the shielding lid top wall is additionally provided with clamping portion, the shield bracket
Roof is provided with blocked hole, and the clamping portion is snapped connection with the blocked hole.
In some embodiments, the clamping portion is cylindrical, one end of the clamping portion and the shielding lid top wall
Inner surface is fixedly connected, and axial direction of the other end along the clamping portion offers multiple gaps, so that the clamping portion is another
One end is separated into multiple arcs block by multiple gaps, and the other end of the clamping portion is provided with stopper, and the stopper is in circle
Arcuation, the outer diameter of the stopper are greater than the outer diameter of the clamping portion；The blocked hole runs through the shield bracket roof, described
Clamping portion passes through the blocked hole, and the stopper supports the blocked hole, for preventing the clamping portion from the card
It connects in hole and is detached from.
Compared with prior art, the shielding box in the utility model embodiment includes screening cover and shield bracket, shielding
Lid is provided with the first notch, and shield bracket is provided with the second notch, and first notch and the second notch lap form screen
The opening of box, first notch and the overlapping of the second barbed portion are covered, so that the opening width of shielding box is smaller.By upper
Mode is stated, may make the shielding box that there is good shield effectiveness, the shield effectiveness of mobile phone radio-frequency screening box is wanted with meeting
It asks.
[Detailed description of the invention]
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is a kind of structural representation perspective view of shielding box provided by the embodiment of the utility model；
Fig. 2 is the structural representation perspective view of screening cover in shielding box shown in FIG. 1；
Fig. 3 is the structural representation perspective view of bracket in shielding box shown in FIG. 1；
Fig. 4 is the structural representation top view of shielding box shown in FIG. 1；
Fig. 5 is the structural representation exploded view of shielding box shown in FIG. 1.
[specific embodiment]
For the ease of understanding the utility model, with reference to the accompanying drawings and detailed description, the utility model is carried out more
Detailed description.It should be noted that it can be directly in another element when element is expressed " being fixed on " another element
Upper or placed in the middle there may be one or more therebetween elements.When an element is expressed " connection " another element, it can
To be directly to another element or elements placed in the middle there may be one or more therebetween.This specification is used
Term " on ", "lower", "inner", "outside", the instructions such as " bottom " orientation or positional relationship be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " " third " etc. are used for description purposes only, it is not understood to indicate or imply relatively important
Property.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of the technical staff in art field is identical.Art used in the description of the utility model in this specification
Language is only for the purpose of describing specific embodiments, and is not intended to limitation the utility model.Art used in this specification
Language "and/or" includes any and all combinations of one or more related listed items.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Referring to Fig. 1, the utility model embodiment provides a kind of shielding box 100, including screening cover 10 and shield bracket 20.
The screening cover 10 is installed on the shield bracket 20.
In the present embodiment, as shown in Fig. 2, the screening cover 10 includes shielding lid top wall 11 and multiple screening cover side walls
12, the shielding lid top wall 11 is plate, is shaped like in L shape.The screening cover side wall 12 is by the shielding lid top wall 11
Side along perpendicular to it is described shielding lid top wall 11 direction extend.The screening cover 10 is sheet metal component, the screening cover
10 reset condition is one piece of metal plate, first passes through and cuts, and forms preset shape, then bends the peripheral portion of the metal plate
90 degree form screening cover side wall 12, and the rest part of the metal plate forms shielding lid top wall 11.Due to the shielding lid top wall
11 have the first turning being recessed inwardly, and first turning is right angle.With connect on two sides at first turning
Two screening cover side walls 12 necessarily form the first notch 13 after bending between two screening cover side walls 12, described first lacks
The width of mouth 13 is equal to or more than the height of the screening cover side wall 12.
The inner surface of the screening cover side wall 12 is provided with multiple lug bosses 121, in the present embodiment, the lug boss
121 is cylindrical or semicircle is spherical.
As shown in figure 3, the shield bracket 20 includes shield bracket roof 21 and multiple shield bracket side walls 22, the screen
Covering bracket roof 21 is plate, and shape is identical as the shielding lid top wall 11, and is slightly less than the shielding lid top wall 11.Institute
State shield bracket side wall 22 by shield bracket roof 21 side along perpendicular to the shield bracket roof 21 direction extend and
At.The shield bracket roof 21 is provided with multiple hollowed out areas according to the demand of actual design.It uses above-mentioned multiple hollowed out areas
In the electronic component of accommodating interior of mobile phone.The shield bracket 20 is sheet metal component, the reset condition of the shield bracket 20
It for one piece of metal plate, first passes through and cuts, form preset shape, the peripheral portion of the metal plate is then bent 90 degree and forms institute
Shield bracket side wall 22 is stated, the rest part of the metal plate forms shield bracket roof 21.Since shield bracket side wall 22 has
The second turning being recessed inwardly, and second turning is right angle.The position of the position at above-mentioned second turning and first turning
It sets corresponding.With two shield bracket side walls 22 being connected on two sides at second turning after bending, this two shieldings
The second notch 23 is necessarily formed between rack side wall 22, the width of second notch 23 is equal to or more than the shield bracket side
The height of wall 22.
As shown in figure 4, first notch 13 and the second notch 23 partly overlap, it is somebody's turn to do so that shielding box 100 is located at
At position formed opening 101, it is described opening 101 width less than the first notch 13 width.The width of the opening 101 is less than
The width of second notch 23.In some preferred embodiments, the width of the opening 101 is 0.035mm.
The shield bracket side wall 22 is provided with multiple accepting holes 221, the quantity of the accepting hole 221 and the lug boss
121 quantity is equal, and the position of multiple accepting holes 221 and the position of multiple lug bosses 121 correspond.The screening cover
10 when being installed on the shield bracket 20, and each lug boss 121 is embedded in an accepting hole 221.
It is understood that the accepting hole 221 is used to accommodate lug boss 121, so that the shielding of the screening cover 10
Lid side wall 12 and the completion of shield bracket side wall 22 of the shield bracket snap connection.In some other embodiment, the receipts
Hold hole 221 and be also designed to container, which is groove, for accommodating lug boss 121.
As shown in Figure 4 and Figure 5, the global shape of the screening cover 10 is opposite with the global shape of the shield bracket 20
It answers.The screening cover 10 covers at the shield bracket 20, the inner surface of the shielding lid top wall 11 and the shield bracket top
21 appearance face contact of wall, the appearance face contact of the inner surface of the screening cover side wall 12 and the shield bracket side wall 22.
Referring to Fig. 2, the inner surface of the shielding lid top wall 11 is additionally provided with clamping portion 111, the clamping portion 111
Cylindrical, one end is fixedly connected with the inner surface of the shielding lid top wall 11, axial direction of the other end along the clamping portion 111
Multiple gaps are offered, so that the other end of the clamping portion 111 is separated into multiple arcs block by multiple gaps.The card
The other end of socket part 111 is provided with stopper, and the stopper is in arc-shaped, and the outer diameter of the stopper is greater than the clamping portion
111 outer diameter.
Referring to Fig. 3, the shield bracket roof 21 is provided with blocked hole 211, and the blocked hole 211 is through described
Shield bracket roof 21.The clamping portion 111 passes through the blocked hole 211, and the stopper supports the blocked hole
221, for preventing the clamping portion 111 from being detached from out of described blocked hole 211.The diameter of the blocked hole 211 is equal to the card
The outer diameter of socket part 111.When the screening cover 10 is installed on the shield bracket 20, each lug boss 121 is embedded in described in one
In accepting hole 221.The screening cover side wall 12 of the screening cover 10 and the shield bracket side wall 22 of the shield bracket are completed to buckle
Connection.At this point, being easy between shielding lid top wall 11 and shield bracket roof 21 there are gap, so that 100 thickness of shielding box
Become larger, volume becomes larger, the space occupied also accordingly becomes larger.The blocked hole 211 is passed through by clamping portion 111, may make institute
It states shielding lid top wall 11 to snap connection with shield bracket roof 21, further such that the screening cover 10 and the shield bracket 20
It connects stronger.
The utility model embodiment provides a kind of shielding box, comprising: screening cover includes shielding lid top wall and multiple screening covers
Side wall, multiple screening cover side walls are extended by the side of the shielding lid top wall, and the shielding lid top wall has inside
First turning of recess, and forms first between two screening cover side walls connecting on two sides at first turning
Notch；Shield bracket includes shield bracket roof and multiple shield bracket side walls, and multiple shield bracket side walls are by the screen
The side for covering bracket roof extends, and the shield bracket roof has the second turning being recessed inwardly, and turns with described second
The second notch is formed between the two shield bracket side walls connected on two sides at angle；The interior table of the shielding lid top wall
Face is abutted with the outer surface of the shield bracket roof, the inner surface of multiple screening cover side walls respectively with multiple shieldings
The outer surface of rack side wall abuts；First notch and second barbed portion overlapping.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Under the thinking of the utility model, it can also be combined between the technical characteristic in above embodiments or different embodiments,
Step can be realized with random order, and there are many other variations of the different aspect of the utility model as described above, be
Simplicity, they do not provide in details；Although the utility model is described in detail with reference to the foregoing embodiments, this
The those of ordinary skill in field it is understood that it is still possible to modify the technical solutions described in the foregoing embodiments,
Or equivalent replacement of some of the technical features；And these are modified or replaceed, and do not make the sheet of corresponding technical solution
Matter departs from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. a kind of shielding box characterized by comprising
Screening cover includes shielding lid top wall and multiple screening cover side walls, and multiple screening cover side walls are by the shielding lid top wall
Side extends, and the shielding lid top wall has the first turning being recessed inwardly, on two sides at first turning
The first notch is formed between two screening cover side walls of connection；
Shield bracket includes shield bracket roof and multiple shield bracket side walls, and multiple shield bracket side walls are by the shielding
The side of bracket roof extends, and the shield bracket roof has the second turning being recessed inwardly, with second turning
Two sides on form the second notch between two shield bracket side walls connecting；
The inner surface of the shielding lid top wall is abutted with the outer surface of the shield bracket roof, multiple screening cover side walls
Inner surface is abutted with the outer surface of multiple shield bracket side walls respectively；
First notch and second barbed portion overlapping.
2. shielding box according to claim 1, which is characterized in that the inner surface of the screening cover side wall is provided with multiple convex
The portion of rising, the shield bracket side wall are provided with multiple accepting holes corresponding with the lug boss, described in the lug boss is embedded in
In accepting hole.
3. shielding box according to claim 2, which is characterized in that the lug boss is cylindrical or semicircle is spherical.
4. shielding box according to claim 1, which is characterized in that the inner surface of the screening cover side wall is provided with multiple convex
The portion of rising, the shield bracket side wall are provided with multiple containers corresponding with the lug boss, described in the lug boss is embedded in
In container.
5. shielding box according to claim 1, which is characterized in that the shield bracket roof is provided with multiple vacancy sections
Domain.
6. shielding box according to claim 1, which is characterized in that
The width of first notch is equal to or more than the height of the screening cover side wall；
The width of second notch is equal to or more than the height of the shield bracket side wall.
7. shielding box according to claim 6, which is characterized in that first notch and the second notch lap
Opening is formed, the width of the opening is less than the width of first notch, and the width of the opening is less than described second
The width of notch.
8. shielding box according to claim 7, which is characterized in that the width of the opening is 0.035mm.
9. shielding box according to claim 8, which is characterized in that the inner surface of the shielding lid top wall is additionally provided with clamping
Portion, the shield bracket roof are provided with blocked hole, and the clamping portion is snapped connection with the blocked hole.
10. shielding box according to claim 9, which is characterized in that
The clamping portion is cylindrical, and one end of the clamping portion is fixedly connected with the inner surface of the shielding lid top wall, another
The axial direction along the clamping portion is held to offer multiple gaps, so that the other end of the clamping portion is separated by multiple gaps
Multiple arcs block, the other end of the clamping portion are provided with stopper, and the stopper is in arc-shaped, the outer diameter of the stopper
Greater than the outer diameter of the clamping portion；
The blocked hole runs through the shield bracket roof, and the clamping portion passes through the blocked hole, and the stopper supports
The blocked hole is held, for preventing the clamping portion from being detached from out of described blocked hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821286818.4U CN208609335U (en) | 2018-08-09 | 2018-08-09 | Shielding box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821286818.4U CN208609335U (en) | 2018-08-09 | 2018-08-09 | Shielding box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208609335U true CN208609335U (en) | 2019-03-15 |
Family
ID=65679188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821286818.4U Active CN208609335U (en) | 2018-08-09 | 2018-08-09 | Shielding box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208609335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114025601A (en) * | 2021-11-15 | 2022-02-08 | 珠海格力电器股份有限公司 | Shielding device and electric appliance |
-
2018
- 2018-08-09 CN CN201821286818.4U patent/CN208609335U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114025601A (en) * | 2021-11-15 | 2022-02-08 | 珠海格力电器股份有限公司 | Shielding device and electric appliance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210716 Address after: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Patentee after: CLOUDMINDS (SHENZHEN) HOLDINGS Co.,Ltd. Address before: 610094 West Section of Fucheng Avenue, Chengdu High-tech District, Sichuan Province Patentee before: CLOUDMINDS (CHENGDU) TECHNOLOGIES Co.,Ltd. |