CN207185097U - It is electromagnetically shielded threading transition sleeve - Google Patents
It is electromagnetically shielded threading transition sleeve Download PDFInfo
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- CN207185097U CN207185097U CN201720938447.2U CN201720938447U CN207185097U CN 207185097 U CN207185097 U CN 207185097U CN 201720938447 U CN201720938447 U CN 201720938447U CN 207185097 U CN207185097 U CN 207185097U
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Abstract
It the utility model is related to a kind of electromagnetic shielding threading transition sleeve, it is the hollow tubular structures formed by electromagnetic shielding threading transition sleeve A valves and B valve slitless connections, in the outer surface of the first hollow tubular structures, fine thread is set, it is threadedly coupled with the perforate on regulator cubicle, electromagnetic shielding threading transition sleeve is fixed on regulator cubicle, realizes the 360 ° omni-directional electromagnetic shielding to transmission cable.A valves and B valves are risen the disconnected technique processing being combined using cutting and low temperature, are fastened by two groups of trip bolts, are ensured that electromagnetic shielding threading transition sleeve faying face is seamless, and the maintenance maintenance of very convenient cable；The plane set at second hollow tubular structures circumference, spanner lock ring when convenient electromagnetic shielding threading transition sleeve is connected with regulator cubicle.Electromagnetic shielding threading transition sleeve of the present utility model is simple and practical, efficiently solves Electric Appliance Cabinet cable connection present in existing EMC Design and easily causes electromagnetic exposure, low construction efficiency, and the problem of the maintenance maintenance of inconvenient cable.
Description
Technical field
The utility model belongs to EMC Design technical field, and in particular to one kind electromagnetic shielding threading transition sleeve.
Background technology
Current each class of electronic devices rapid development, increasing electronic equipment is highly integrated, and especially the communications industry is more
It is such.Such as airborne equipment, ship-borne equipment, all kinds of controls and communication equipment in mobile unit are highly integrated, and each electron-like is set
Standby highly dense.Higher EMC Requirements must be proposed to each electronic equipment in this case.Because if it can not reach
To higher EMC Requirements, each class of electronic devices will interact, and ultimately resulting in each equipment can not normal work.
Common electromagnetic interference mode mainly has two kinds of Conduction Interference and radiation interference, therefore electromagnetism in electronic devices structure
The main method of compatible design has shielding, filtering, ground connection etc..Shielding is prevented using shields such as metallic plate, net, lid, cover, boxes
Or reduce electromagnetic energy and propagate a kind of structural measure taken, conventional method has electrostatic screen, magnetic screen and electromagnetic shielding；
Structural Design of Electronic System personnel are when setting about electromagnetic Compatibility Design, it is necessary to which the anti-interference requirement proposed according to product is carried out
Targetedly design of Electromagnetic Shielding.Filtering refers to interference signal in circuit often through power line, signal wire, control line etc.
Interfered into circuit, therefore to utility power line and by the wire of interference environment typically by setting filter circuit to avoid
Electromagnetic interference.In electromagnetic Compatibility Design and the problem of one of crucial importance, correct earthing method can be reduced ground connection
Or interfering with each other between circuit is avoided, complete machine earthing mode is also one of major measure for ensureing EMC.Electronics
The EMC Design of the electromagnetism interference of equipment is usually the combination or shielding and the knot of ground connection for shielding, being grounded and filtering
Close.
In existing EMC Design of Electronic Equipment, for the radiation interference of cable, it is common practice in cable
Outside parcel gauze screen or housing；And for the EMC Design of electrical host, the typically outside in electrical host
A regulator cubicle is covered, the purpose of electrical host electromagnetic shielding is reached by the shielding of Electric Appliance Cabinet.
But due to electrical host（Electronic equipment）, the cable that is connected with electrical host, and cable plug connector often
Just assemble and be integrated when dispatching from the factory, when designing regulator cubicle, in order that the plug connector for the cable being connected with electrical host is from electricity
Device cabinet is connected and used, it is necessary to open up a circular hole on regulator cubicle, and the diameter of hole is greater than grafting outside after passing
The diameter of part circumference maximum, so that plug connector can be passed smoothly；Because the diameter of cable is more much smaller than plug connector, plug connector is worn
It certainly will have larger space between the hole gone out on rear cable and regulator cubicle, and the screen outside the requirement cable of EMC Design
Net or housing is covered to be connected for 360 ° with regulator cubicle, it is impossible to gap be present, in case the electromagnetism of electrical host is influenceed by gap leakage
Outside other electronic equipments.
For this problem, existing way is that the cable surface at the circular hole of regulator cubicle is wrapped with multilayer conductive adhesive tape by line
On the gap sealing of cable and circular hole, but this way is very unreliable, the later stage using when be easy to failure and cause electromagnetic exposure,
Low construction efficiency.In addition, maintenance maintenance is not easy to, it is necessary to cut plug connector in the maintenance maintenance of cable.
Utility model content
It is big in order to solve Electric Appliance Cabinet cable connection hole present in existing electrical host EMC Design, at hole
Cable surface twine conductive tape easily break down cause the maintenance of electromagnetic exposure, low construction efficiency, and inconvenient cable to tie up
The problem of shield, the utility model provide a kind of electromagnetic shielding threading transition sleeve.The technical problems to be solved in the utility model is led to
Cross following technical scheme realization：
Threading transition sleeve, including electromagnetic shielding threading transition sleeve A valves and electromagnetic shielding threading transition sleeve B valves are electromagnetically shielded,
The electromagnetic shielding threading transition sleeve A valves are identical with the structure for being electromagnetically shielded threading transition sleeve B valves, the electromagnetic shielding threading mistake
Cross set A valves and electromagnetic shielding threading transition sleeve B valves slitless connection composition hollow tubular structures；
The hollow tubular structures are by the first hollow tubular structures, the second hollow tubular structures and the 3rd hollow tubular knot
The integrative-structure of structure composition, and the second hollow tubular structures are located in the first hollow tubular structures and the 3rd hollow tubular structures
Between；
The external diameter of first hollow tubular structures is equal with the aperture of the perforate on regulator cubicle, and is more than plug connector circumference
The diameter of maximum；The outer surface of first hollow tubular structures is provided with fine thread, by with the perforate screw thread on regulator cubicle
Connection, electromagnetic shielding threading transition sleeve is fixed on regulator cubicle；
Second hollow tubular structures are a spacing preiection, and its external diameter is more than the external diameter of the first hollow tubular structures, uses
It is spacing when the first hollow tubular structures are threadedly coupled with the perforate on regulator cubicle；
The external diameter of 3rd hollow tubular structures is less than the external diameter of the first hollow tubular structures, and internal diameter is equal to parcel cable
Housing external diameter, for cable pass through and fastening.
Further, the electromagnetic shielding threading transition sleeve B valves of the 3rd hollow tubular structures is symmetrical on tube wall up and down
A through hole is offered, is closed with the corresponding threaded holes opened up up and down in tube wall of electromagnetic shielding threading transition sleeve A valves, by fastening spiral shell
Nail is through through hole and screwed hole, by electromagnetic shielding threading transition sleeve A valves and electromagnetic shielding threading transition sleeve B valve fastenings.
Further, the electromagnetic shielding threading transition sleeve is added using laser grooving and the low temperature disconnected technique being combined that rises
Work, with trip bolt by after magnetic screen threading transition sleeve A valves and electromagnetic shielding threading transition sleeve B valve fastenings, faying face is seamless.
Further, second hollow tubular structures are respectively positioned at electromagnetic shielding threading transition sleeve A valves and electromagnetic shielding
There is a plane at the circumference of the symmetrical position of threading transition sleeve B valves, twisted for fine thread and the perforate screw thread on regulator cubicle
The clip of spanner when tight.
Further, the material of the electromagnetic shielding threading transition sleeve is metal, including carbon steel, stainless steel, alloy.
Relative to prior art, the beneficial effects of the utility model are：
1. electromagnetic shielding threading transition sleeve of the present utility model is thin by being set in the outer surface of the first hollow tubular structures
Pitch thread, it is threadedly coupled with the perforate on regulator cubicle, electromagnetic shielding threading transition sleeve is fixed on regulator cubicle, realized to transmission
The 360 ° omni-directional electromagnetic shielding of cable.
2. by the way that electromagnetic shielding threading transition sleeve is designed as into the A valves and B valves of slitless connection, and pass through between A valves and B valves
Two groups of trip bolt fastenings, it can ensure that being electromagnetically shielded threading transition sleeve is fastened as a whole, electromagnetism will not leak, and very convenient
The maintenance maintenance of cable.
3. the internal diameter of the 3rd hollow tubular structures is equal to the external diameter of the housing of parcel cable, wrapped just when cable passes through
Include outside the housing of cable, can ensure the electromagnetism of electrical host will not leak.
The technique processing broken and be combined 4. electromagnetic shielding threading transition sleeve is risen using laser grooving and low temperature, uses trip bolt
After magnetic screen threading transition sleeve A valves and electromagnetic shielding threading transition sleeve B valve fastenings, faying face is seamless.
5. by positioned at electromagnetic shielding threading transition sleeve A valves and being electromagnetically shielded threading mistake respectively in the second hollow tubular structures
Cross at the circumference of the symmetrical position of set B valves and a plane is set, when the perforate screw thread on fine thread and regulator cubicle is tightened
The clip of spanner, electromagnetic shielding threading transition sleeve of the present utility model can be more solidly fixed on regulator cubicle.
The utility model is described in further details below with reference to drawings and Examples.
Brief description of the drawings
Fig. 1 is the structural representation of application mode one of the electromagnetic shielding threading transition sleeve of embodiment 1.
Fig. 2 is the structural representation of application mode two of the electromagnetic shielding threading transition sleeve of embodiment 2.
Fig. 3 is the B valve structure schematic diagrames for being electromagnetically shielded threading transition sleeve.
Fig. 4 is the sectional view for being electromagnetically shielded threading transition sleeve.
Fig. 5 is the front view for being electromagnetically shielded threading transition sleeve.
Fig. 6 is the left view for being electromagnetically shielded threading transition sleeve.
Fig. 7 is the A-A schematic diagrames for being electromagnetically shielded threading transition sleeve.
Fig. 8 is the top view for being electromagnetically shielded threading transition sleeve.
In figure：1st, regulator cubicle；2nd, electrical host；3rd, host side cable connector；4th, cable；5th, it is electromagnetically shielded threading transition
Set；6th, the first heat-shrink tube；7th, metallic shield net；8th, the second heat-shrink tube；9th, plug connector；51st, the first hollow tubular structures；52nd,
Two hollow tubular structures；53rd, the 3rd hollow tubular structures；54th, screw thread；55th, screwed hole；56th, plane；57th, trip bolt.
Embodiment
Hole is big on Electric Appliance Cabinet present in existing electrical host EMC Design in order to solve, in the circular hole of regulator cubicle
The cable surface at place twines conductive tape, and easily failure causes electromagnetic exposure, low construction efficiency, and the maintenance of inconvenient cable
The problem of safeguarding, the utility model provide a kind of electromagnetic shielding threading transition sleeve.
For the technological means and effect that the utility model is reached predetermined purpose and taken is expanded on further, below in conjunction with accompanying drawing
And embodiment describes in detail as follows to specific embodiment of the present utility model, architectural feature and its effect.
Embodiment 1：
Electromagnetic shielding threading transition sleeve as shown in Figure 4, including electromagnetic shielding threading transition sleeve A valves and electromagnetic shielding threading
Transition sleeve B valves, electromagnetic shielding threading transition sleeve A valves are identical with the structure for being electromagnetically shielded threading transition sleeve B valves, are electromagnetically shielded threading
Transition sleeve A valves and electromagnetic shielding threading transition sleeve B valves slitless connection composition hollow tubular structures；Specifically, it is as shown in figure 3, empty
Tubular structures are made up of the first hollow tubular structures 51, the second hollow tubular structures 52 and the 3rd hollow tubular structures 53
Integrative-structure, and the second hollow tubular structures 52 are located in the first hollow tubular structures 51 and the 3rd hollow tubular structures 53
Between.
As shown in figure 1, the external diameter of the first hollow tubular structures 51 is equal with the aperture of the perforate on regulator cubicle, and more than slotting
The diameter of the circumference maximum of fitting 9；The outer surface of first hollow tubular structures 51 is provided with fine thread 54, by with regulator cubicle
Perforate threaded connection on 1, electromagnetic shielding threading transition sleeve 5 is fixed on regulator cubicle 1；By in the first hollow tubular structures
Outer surface set fine thread, be threadedly coupled with the perforate on regulator cubicle, will be electromagnetically shielded threading transition sleeve be fixed on electrically
On cabinet, the 360 ° omni-directional electromagnetic shielding to cable is realized.
Second hollow tubular structures 52 are a spacing preiection, and its external diameter is more than the external diameter of the shape structure of the first hollow pipe 51, uses
It is spacing when the first hollow tubular structures 51 are threadedly coupled with the perforate on regulator cubicle 1.
The external diameter of 3rd hollow tubular structures 53 is less than the external diameter of the first hollow tubular structures 51, and internal diameter is equal to parcel cable
Housing external diameter, for cable pass through and fastening.The internal diameter of 3rd hollow tubular structures is equal to the shielding of parcel cable
The external diameter of set, it is included in just outside the housing of cable when cable passes through, can ensure the electromagnetism of transmission cable will not leak.
As shown in Figure 5, Figure 8, the electromagnetic shielding threading transition sleeve B valves of the 3rd hollow tubular structures 53 is right on tube wall up and down
Title offers a through hole 55, is closed with the corresponding threaded holes opened up up and down in tube wall of electromagnetic shielding threading transition sleeve A valves, by tight
Gu screw 57 passes through through hole and screwed hole, by electromagnetic shielding threading transition sleeve A valves and electromagnetic shielding threading transition sleeve B valve fastenings.
As shown in Figure 7.By the way that electromagnetic shielding threading transition sleeve is designed as into the A valves and B valves of slitless connection, and pass through between A valves and B valves
Two groups of trip bolt fastenings, it can ensure that being electromagnetically shielded threading transition sleeve is fastened as a whole, electromagnetism will not leak, and very convenient
The maintenance maintenance of cable.
Electromagnetic shielding threading transition sleeve is risen the disconnected technique processing being combined using laser grooving and low temperature, with trip bolt 57
After magnetic screen threading transition sleeve A valves and electromagnetic shielding threading transition sleeve B valve fastenings, faying face is seamless.
The benefit of breaking process of rising mainly has：First, positioning precision height, it can be seen that the electromagnetic shielding that normal combination is got up is worn
It is no any gap between plate transition sleeve A valves and electromagnetic shielding threading transition sleeve B valves, is like one complete overall；
It is tight due to coordinating between coarse section second, anti-lateral shear ability is strong, as long as bolt does not loosen, in theory for electromagnetism
Shielding threading transition sleeve A valves and electromagnetic shielding threading transition sleeve B valves can not produce transverse shifting, so can bear than general
The stronger load of logical bolt connection.
As shown in Fig. 3, Fig. 6, the second hollow tubular structures 52 are respectively positioned at electromagnetic shielding threading transition sleeve A valves and electromagnetic screen
Covering at the circumference of the symmetrical position of threading transition sleeve B valves has a plane 56, for the perforate on fine thread 54 and regulator cubicle 1
The clip of spanner when screw thread is tightened, electromagnetic shielding threading transition sleeve of the present utility model can be more solidly fixed to regulator cubicle
On.The material of the electromagnetic shielding threading transition sleeve 5 of the present embodiment can be stainless steel, but can also be carbon steel, alloy etc. other
Metal material.
When in use, electrical host 2 is fixed in regulator cubicle 1 the electromagnetic shielding threading transition sleeve of embodiment 1, is connected with slotting
The cable 4 of fitting 9 is fixed on electrical host 2 by host side cable connector 3.Will electromagnetic shielding threading transition sleeve A valves and electricity
Magnetic screen threading transition sleeve B valves are directly wrapped in outside the metallic shield net 7 of cable 4, are exactly electromagnetic shielding threading transition
The inner surface of the 3rd hollow tubular structures 53 of set 5 contacts with the outer surface of one end of metallic shield net 7, between it is seamless；The
In perforate on one hollow tubular structures 51 insertion regulator cubicle 1, by the fine thread in the first hollow tubular structures 51 with opening
Hole is threadedly coupled；Then will electromagnetic shielding threading transition sleeve A valves and electromagnetic shielding threading transition sleeve B valves trip bolt 57
Fastening；Cable 4 is fastened for 8 sets with the junction of plug connector 9 with the second heat-shrink tube.
Embodiment 2：
The electromagnetic shielding threading transition sleeve of the present embodiment is identical with the structure of embodiment 1, and difference part is itself and cable
Fixed form.
As shown in Fig. 2 the electromagnetic shielding threading transition sleeve of the present embodiment is when in use, electrical host 2 is fixed on regulator cubicle 1
Interior, the cable 4 for being connected with plug connector 9 is fixed on electrical host 2 by host side cable connector 3.Threading mistake will be electromagnetically shielded
Cross set A valves and electromagnetic shielding threading transition sleeve B valves are wrapped in outside cable 4, on the first hollow tubular structures 51 insertion regulator cubicle 1
In perforate, it is threadedly coupled by the fine thread in the first hollow tubular structures 51 with perforate；Then electromagnetic shielding is worn
Plate transition sleeve A valves and electromagnetic shielding threading transition sleeve B valves trip bolt 57 fasten；3rd hollow tubular structures 5 are not direct
It is included in outside metallic shield net 7, but metallic shield net 7 of the cable 4 close to the one end of regulator cubicle 1 is wrapped in the 3rd hollow tubular knot
The outer surface of structure 53, wrap up outer surface 6 sets of fastenings of the second heat-shrink tube of the metallic shield net 7 of the 3rd hollow tubular structures 53
It is fixed；Cable 4 is locked 8 fixations with the junction of plug connector 9 with the second heat-shrink tube.
Electromagnetic shielding threading transition sleeve of the present utility model is simple in construction, very useful, efficiently solves existing electric
Electric Appliance Cabinet cable connection hole present in main frame EMC Design is big, and it is easy that the cable surface at hole twines conductive tape
Failure causes electromagnetic exposure, low construction efficiency, and the problem of the maintenance maintenance of inconvenient cable.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (5)
1. it is electromagnetically shielded threading transition sleeve, it is characterised in that：Including electromagnetic shielding threading transition sleeve A valves and electromagnetic shielding threading mistake
Set B valves are crossed, the electromagnetic shielding threading transition sleeve A valves are identical with the structure for being electromagnetically shielded threading transition sleeve B valves, the electromagnetic screen
Cover threading transition sleeve A valves and electromagnetic shielding threading transition sleeve B valves slitless connection composition hollow tubular structures；
The hollow tubular structures are by the first hollow tubular structures（51）, the second hollow tubular structures（52）With the 3rd hollow pipe
Shape structure（53）The integrative-structure of composition, and the second hollow tubular structures（52）Positioned at the first hollow tubular structures（51）With the 3rd
Hollow tubular structures（53）Centre；
First hollow tubular structures（51）External diameter it is equal with the aperture of the perforate on regulator cubicle, and be more than plug connector（9）
The diameter of circumference maximum；First hollow tubular structures（51）Outer surface be provided with fine thread（54）, by with regulator cubicle
（1）On perforate threaded connection, will be electromagnetically shielded threading transition sleeve（5）It is fixed on regulator cubicle（1）On；
Second hollow tubular structures（52）For a spacing preiection, its external diameter is more than the first hollow tubular structures（51）It is outer
Footpath, for the first hollow tubular structures（51）With regulator cubicle（1）On perforate threaded connection when it is spacing；
3rd hollow tubular structures（53）External diameter be less than the first hollow tubular structures（51）External diameter, internal diameter be equal to parcel
The external diameter of the housing of cable, for passing through and fastening for cable.
2. electromagnetic shielding threading transition sleeve according to claim 1, it is characterised in that：3rd hollow tubular structures
（53）Electromagnetic shielding threading transition sleeve B valves a through hole is symmetrically offered on tube wall up and down（55）, with being electromagnetically shielded threading mistake
The corresponding threaded holes opened up up and down in tube wall for crossing set A valves close, and pass through trip bolt（57）Through through hole and screwed hole, by electromagnetism
Shield threading transition sleeve A valves and electromagnetic shielding threading transition sleeve B valve fastenings.
3. electromagnetic shielding threading transition sleeve according to claim 2, it is characterised in that：The electromagnetic shielding threading transition sleeve
Processed using laser grooving and the low temperature disconnected technique being combined that rises, use trip bolt（57）By magnetic screen threading transition sleeve A valves and
After being electromagnetically shielded the fastening of threading transition sleeve B valves, faying face is seamless.
4. electromagnetic shielding threading transition sleeve according to claim 1, it is characterised in that：Second hollow tubular structures
（52）Respectively at the circumference of electromagnetic shielding threading transition sleeve A valves and the symmetrical position for being electromagnetically shielded threading transition sleeve B valves
There is a plane（56）, for fine thread（54）With regulator cubicle（1）On perforate screw thread spanner when tightening clip.
5. the electromagnetic shielding threading transition sleeve according to any one of claim 1 ~ 4, it is characterised in that：The electromagnetic shielding is worn
Plate transition sleeve（5）Material be metal, including carbon steel, stainless steel, alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720938447.2U CN207185097U (en) | 2017-07-31 | 2017-07-31 | It is electromagnetically shielded threading transition sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720938447.2U CN207185097U (en) | 2017-07-31 | 2017-07-31 | It is electromagnetically shielded threading transition sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207185097U true CN207185097U (en) | 2018-04-03 |
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ID=61743918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720938447.2U Active CN207185097U (en) | 2017-07-31 | 2017-07-31 | It is electromagnetically shielded threading transition sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207185097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107396623A (en) * | 2017-07-31 | 2017-11-24 | 星展测控科技股份有限公司 | It is electromagnetically shielded threading transition sleeve |
-
2017
- 2017-07-31 CN CN201720938447.2U patent/CN207185097U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107396623A (en) * | 2017-07-31 | 2017-11-24 | 星展测控科技股份有限公司 | It is electromagnetically shielded threading transition sleeve |
| CN107396623B (en) * | 2017-07-31 | 2023-07-28 | 星展测控科技股份有限公司 | Electromagnetic shielding threading transition sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: Room 601, building 5, China Electronics Xi'an Industrial Park, 1288 caotan 10th Road, Xi'an Economic and Technological Development Zone, 710000, Shaanxi Province Patentee after: SATPRO M&C TECH Co.,Ltd. Address before: No. 101, Building D2, Huanpu Science and Technology Industrial Park, No. 211, Tiangu Eighth Road, High-tech Zone, Xi'an City, Shaanxi Province 710000 Patentee before: SATPRO M&C TECH Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |