CN101465181B - Protective sleeve - Google Patents
Protective sleeve Download PDFInfo
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- CN101465181B CN101465181B CN2009100039424A CN200910003942A CN101465181B CN 101465181 B CN101465181 B CN 101465181B CN 2009100039424 A CN2009100039424 A CN 2009100039424A CN 200910003942 A CN200910003942 A CN 200910003942A CN 101465181 B CN101465181 B CN 101465181B
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- China
- Prior art keywords
- protective casing
- protected location
- wire rod
- casing according
- projection
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- 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 present invention discloses a protective casing, which is suitable for protecting wires and comprises a plurality of protective units; the casing body is provided with a first end, a second end and a through hole which is extended from the first end to the second end; the wires are threaded through the through hole, and part wires are located inside the through hole; the protective units are protruded outward on the external surface of the casing body; each protective unit is extended along a predetermined direction, and the protective units are alternately arranged on the external surface of the casing body; the predetermined direction points to the second end from the first end; moreover, the casing body and the protective units are made of insulating materials. The protective units are used for keeping a suitable distance between the wires and irons in the casing body so as to avoid arcphenomenon, wherein each protective unit has a top surface which is far away from the external surface, and the top surface is a flat surface.
Description
Technical field
The present invention relates to a kind of protective casing, particularly relate to a kind of protective casing of wire rod.
Background technology
In electronic product, the wire rod that is used for the transferring high voltage electricity is coated with a protective casing, in case the principal vertical line material contacts with other ironwares in the electronic product.Yet, if the distance between protective casing and the ironware is too near, arc phenomenon takes place easily, particularly in the wire rod bending place.The generation of arc phenomenon causes protective casing and wire rod burned black easily, thereby influences the fail safe and the reliability of electronic product.Therefore, be necessary this arc phenomenon is done effective strick precaution.
Fig. 1 is the schematic perspective view of known a kind of protective casing.Please earlier with reference to Fig. 1, known protective casing 100 comprises body 110 and from outer surface 112 outward extending a plurality of bearer bars 120 of body 110.Each bearer bar 120 is around body 110, and these bearer bars 120 are the bearing of trend D1 arrangements along body 110.Bearer bar 120 can prevent that the wire rod and the distance between the ironware that are sheathed in the body 110 are too short, to avoid taking place arc phenomenon.
Fig. 2 is the schematic diagram of the body of the ironware protective casing that touches Fig. 1.Please refer to Fig. 1 and Fig. 2, the bearer bar 120 of known protective casing 100 is that design is used for preventing arc phenomenon.In actual applications, ironware 50 tends to wire rod staggered.But arrange because the bearer bar 120 of protective casing 100 is bearing of trend D1 along body 110, so and the staggered ironware 50 of protective casing 100 stretch into clearance G between adjacent two bearer bars 120 easily, even touch body 110.So, will cause wire rod and the distance between the ironware 50 in body 110 too short, thereby arc phenomenon will take place.
Summary of the invention
The object of the present invention is to provide a kind of protective casing, to prevent arc phenomenon.
To achieve these goals, the invention provides a kind of protective casing, it is suitable for protecting wire rod.This protective casing comprises body and a plurality of protected location.The through hole that body has first end, second end and extends to second end from first end.Wire rod passes through hole, and the part wire rod is to be positioned at through hole.The protected location evagination is in the outer surface of body, and each protected location is to extend along predetermined direction, and protected location is the outer surface that is arranged at intervals at body.Above-mentioned predetermined direction is to point to second end from first end.In addition, the material of body and protected location is the insulation material.Described protected location prevents that with so that keep suitable distance between wire rod in the described body and the ironware arc phenomenon from taking place; Wherein, each protected location has the end face away from this outer surface, and this end face is the plane.
In one embodiment of this invention, each above-mentioned protected location comprises strip projected parts.
In one embodiment of this invention, each above-mentioned protected location comprises first projection, second projection and strip projected parts.Contiguous first end of first projection, contiguous second end of second projection, and strip projected parts is disposed between first projection and second projection, and protruding and second projection distance of being separated by with first respectively.
In one embodiment of this invention, each above-mentioned protected location comprises along the spaced a plurality of projectioies of predetermined direction.
In one embodiment of this invention, above-mentioned body and protected location are one-body molded.
In one embodiment of this invention; the above-mentioned body and the material of protected location comprise rubber, polyamide (polyamide; PA), PETG (poly ethylene terephthalare; PET), polyacetal resin (polyoxymethylene; POM), polyphenylene sulfide (polyphenylenesulfide; PPS) or polysulfones (polysulfone, PSF).
In one embodiment of this invention, each above-mentioned protected location has the end face away from the outer surface of body, and the distance between the outer surface of the end face of protected location and body is between 0.6 millimeter to 2 millimeters.
In one embodiment of this invention, above-mentioned body comprises a plurality of arc bodies, and these arc bodies connect into body.
In one embodiment of this invention, each above-mentioned arc body has two joint faces, and each joint face is provided with at least one fixed part, connects into body and the arc body is combination by fixed part.
In one embodiment of this invention, above-mentioned two fixed parts that combine are a recess and a protuberance that fastens.
In sum, protective casing of the present invention has following advantage at least:
1. because protective casing of the present invention has protected location, so it is too short and arc phenomenon takes place to avoid being used for the wire rod of transferring high voltage electricity and the distance between the ironware.Therefore, protective casing of the present invention can prevent that wire rod is impaired because of arc phenomenon.
2. because the bearing of trend of protected location is identical with the bearing of trend of body, so can prevent and ironware that protective casing interlocks stretches into the gap between adjacent two protected locations even touches body.Therefore, protective casing of the present invention can further reduce the probability that arc phenomenon takes place between wire rod and the ironware, in case the principal vertical line material is impaired because of arc phenomenon.
3. the material of body and protected location can be selected elastic material for use, can allow protective casing bent but still the angle of bend of restriction body so can prevent the wire rod overbending, and then the probability of arc phenomenon reduce to take place.
Description of drawings
Fig. 1 is the schematic perspective view of known a kind of protective casing;
Fig. 2 is the schematic diagram of the body of the ironware protective casing that touches Fig. 1;
Fig. 3 is the schematic perspective view of a kind of protective casing of one embodiment of the invention;
Fig. 4 is the schematic diagram that ironware touches the protective casing of Fig. 3;
Fig. 5 is the schematic perspective view of a kind of protective casing of another embodiment of the present invention;
Fig. 6 is the schematic perspective view of a kind of protective casing of another embodiment of the present invention;
Fig. 7 is the schematic perspective view of a kind of protective casing of another embodiment of the present invention.
The main element label declaration:
50: ironware
60: wire rod
100,200,200a, 200b, 200c: protective casing
110,210: body
112,218: outer surface
120: bearer bar
211,213: the arc body
212: the first ends
214: the second ends
215,217: joint face
215a, 217a: fixed part
216: through hole
220,220a: protected location
222: end face
224: the first projectioies
226: the second projectioies
228: strip projected parts
229: projection
D1: bearing of trend
D2: predetermined direction
G: gap
Embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast description of drawings the specific embodiment of the present invention.
Fig. 3 is the schematic perspective view of a kind of protective casing of one embodiment of the invention, touches the schematic diagram of the protective casing of Fig. 3 and Fig. 4 is an ironware.Please refer to Fig. 3 and Fig. 4, the protective casing 200 of present embodiment is suitable for protecting wire rod 60.This protective casing 200 comprises body 210 and a plurality of protected location 220.The through hole 216 that body 210 has first end 212, second end 214 and extends to second end 214 from first end 212.Wire rod 60 passes through hole 216, and part wire rod 60 is to be positioned at through hole 216.Protected location 220 evaginations are in the outer surface 218 of body 210, and each protected location 220 is to extend along predetermined direction D2, and protected location 220 is arranged at intervals at the outer surface 218 of body 210.Above-mentioned predetermined direction D2 points to second end 214 from first end 212.In addition, body 210 is the insulation material with the material of protected location 220.In addition, each protected location 220 for example is a strip projected parts.Body 210 for example is one-body molded with protected location 220.
Above-mentioned protected location 220 is a usefulness so that can keep suitable distance between wire rod 60 in the body 210 and the ironware 70, to prevent the generation of arc phenomenon.So, can prevent that wire rod 60 and body 210 are because of arc phenomenon is burned black, so can promote the fail safe and the reliability of electronic product.In addition, because protected location 220 is to extend along predetermined direction D2, thus can touch protected location 220 with staggered 70 of the ironwares of protective casing 200, and can not stretch into the gap between adjacent two protected locations 220 or touch body 210.So, can prevent the hypotelorism between ironware 70 and the wire rod 60 and arc phenomenon takes place.
In the present embodiment, each protected location 220 has the end face 222 away from the outer surface 218 of body 210, and the distance between the outer surface 218 of the end face 222 of protected location 220 and body 210 for example is between 0.6 millimeter to 2 millimeters.That is the thickness of protected location 220 for example is between 0.6 millimeter to 2 millimeters, so can make between wire rod 60 and the ironware 70 and keep suitable distance, to prevent arc phenomenon.In addition, the end face 222 of protected location 220 for example is the plane, so can make electric charge be scattered in end face 222, avoids because of the electric charge concentrations arc phenomenon taking place.
In addition, body 210 can be selected high temperature resistant, anti-combustion and rubber-like material for use with protected location 220, as rubber, polyamide, PETG, polyacetal resin, polyphenylene sulfide or polysulfones etc.Owing in the knee of wire rod 60 arc phenomenon takes place more easily; and select for use the rubber-like material can allow the bent but still angle of bend of limiting protecting sleeve pipe 200 of protective casing 200; excessive with the angle of bend that prevents protective casing 200, so can further reduce the probability that arc phenomenon takes place.
Fig. 5 is the schematic perspective view of a kind of protective casing of another embodiment of the present invention.Please refer to Fig. 5, the protective casing 200a of present embodiment is similar to the protective casing 200 of Fig. 3, and difference is in protected location 220a.In more detail, each protected location 220a of protective casing 200a comprises first projection 224, second projection 226 and the strip projected parts 228.Second end 214 of first end, 212, the second projectioies, the 226 contiguous bodys 210 of first projection, 224 contiguous bodys 210.Strip projected parts 228 is disposed between first projection, 224 and second projection 226, and respectively with first protruding 224 and second projection 226 distance of being separated by.
Generally speaking, the two ends of wire rod are fixed in link needs bending than wide-angle often.In the present embodiment and since the strip projected parts 228 of each protected location 220a respectively with first projection, 224 and second projection 226 distance of being separated by, so can allow the two ends of protective casing 200a be easier to bending, and the elastic restoring force of protective casing 200a is less.Therefore, the elastic restoring force of the required opposing of wire rod that is fixed in link is less, can firmly be fixed in link so can guarantee wire rod.
Be noted that in another embodiment of the present invention (protective casing 200b as shown in Figure 6), each protected location 220b also can be by constituting along spaced a plurality of protruding 229 of predetermined direction D2.
Fig. 7 is the schematic perspective view of a kind of protective casing of another embodiment of the present invention.Please refer to Fig. 7, the protective casing 200c of present embodiment is similar to protective casing 200a shown in Figure 5, and difference is in the body 210 of the protective casing 200c of present embodiment and comprises two arc bodies 211,213, and these arc bodies 211,213 connect into body 210.Particularly, arc body 211 has two joint faces 215, and arc body 213 has two joint faces 217.Each joint face 215 is provided with at least one fixed part 215a, and each joint face 217 is provided with at least one fixed part 217a of corresponding fixed part 215a.The shape of fixed part 215a is to match with the shape of fixed part 217a, so that arc body 211 can connect into body 210 with combining of fixed part 217a by fixed part 215a with arc body 213.Above-mentioned fixed part 215a and fixed part 217a can be recess or protuberance, and the two fixed part 215a, the 217a that combine be respectively recess and the protuberance that fastens, or the two fixed part 215a, the 217a that combine are respectively protuberance and the recess that fastens.
The protective casing 200c of present embodiment is that combination by two arc bodies 211,213 is to be coated on wire rod between this two arcs body 211,213 when cladding wires.Be noted that though the combination of disclosed fixed part 215a of present embodiment and fixed part 217a is recess and the protuberance that fastens, the present invention does not limit the combination between corresponding two fixed parts.In addition, in other embodiments, body also can comprise the arc body more than two.
In sum, because protective casing of the present invention has protected location, keep suitable distance so be used between the wire rod of transferring high voltage electricity and the ironware, and then avoid taking place arc phenomenon.In addition, because the bearing of trend of protected location is identical with the bearing of trend of body, thus can prevent and ironware that protective casing interlocks stretches into the gap between adjacent two protected locations even touches body, to guarantee to keep suitable distance between ironware and wire rod.Therefore, protective casing of the present invention can effectively be avoided between wire rod and the ironware arc phenomenon taking place, and then prevents that wire rod is impaired because of arc phenomenon.
The above only is the schematic embodiment of the present invention, is not in order to limit scope of the present invention.Any those skilled in the art, equivalent variations of having done under the prerequisite that does not break away from design of the present invention and principle and modification all should belong to the scope of protection of the invention.
Claims (10)
1. a protective casing is suitable for protecting a wire rod, it is characterized in that, this protective casing comprises:
One body has one first end, one second end and extends to a through hole of this second end from this first end, and this wire rod passes this through hole, and this wire rod of part is to be positioned at this through hole; And
A plurality of protected locations, evagination is in an outer surface of this body, each protected location is to extend along a predetermined direction, and described protected location is to be arranged at intervals at this outer surface, wherein this predetermined direction is to point to this second end from this first end, and the material of this body and described protected location is the insulation material, and described protected location prevents that with so that keep suitable distance between wire rod in the described body and the ironware arc phenomenon from taking place;
Wherein, each protected location has the end face away from this outer surface, and this end face is the plane.
2. protective casing according to claim 1 is characterized in that each protected location comprises a strip projected parts.
3. protective casing according to claim 1 is characterized in that, each protected location comprises:
One first projection, contiguous this first end;
One second projection, contiguous this second end; And
One strip projected parts is disposed between this first projection and this second projection, and respectively with this first protruding and this second projection distance of being separated by.
4. protective casing according to claim 1 is characterized in that, each protected location comprises along the spaced a plurality of projectioies of this predetermined direction.
5. protective casing according to claim 1 is characterized in that, this body and described protected location are one-body molded.
6. protective casing according to claim 5 is characterized in that the material of this body and described protected location comprises rubber, polyamide, PETG, polyacetal resin, polyphenylene sulfide or polysulfones.
7. protective casing according to claim 1 is characterized in that, each protected location has the end face away from this outer surface, and the distance between this end face and this outer surface is between 0.6 millimeter to 2 millimeters.
8. protective casing according to claim 1 is characterized in that, this body comprises a plurality of arc bodies, and described arc body connects into this body.
9. protective casing according to claim 8 is characterized in that, each arc body has two joint faces, and each joint face is provided with at least one fixed part, connects into this body and described arc body is combination by described fixed part.
10. protective casing according to claim 9 is characterized in that, two these fixed parts that combine are a recess and a protuberance that fastens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100039424A CN101465181B (en) | 2009-01-23 | 2009-01-23 | Protective sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100039424A CN101465181B (en) | 2009-01-23 | 2009-01-23 | Protective sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101465181A CN101465181A (en) | 2009-06-24 |
| CN101465181B true CN101465181B (en) | 2011-12-14 |
Family
ID=40805705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100039424A Expired - Fee Related CN101465181B (en) | 2009-01-23 | 2009-01-23 | Protective sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101465181B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012124090A (en) | 2010-12-10 | 2012-06-28 | Yazaki Corp | Wire harness manufacturing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3770876A (en) * | 1972-05-08 | 1973-11-06 | Goodyear Tire & Rubber | Elastic cover and method of applying said cover |
| US4192352A (en) * | 1974-08-09 | 1980-03-11 | Hitachi, Ltd. | Insulator for covering electric conductors |
| CN2212249Y (en) * | 1994-07-05 | 1995-11-08 | 王治民 | High voltage chamber through-wall sleeve for substation |
| CN2603489Y (en) * | 2003-02-28 | 2004-02-11 | 姜华瑞 | Insulation protective sleeve for uncovered connector of electric applinace |
| JP2004194391A (en) * | 2002-12-09 | 2004-07-08 | Yazaki Corp | Grommet and water-stopping structure of wire harness |
| US20080017401A1 (en) * | 2006-07-20 | 2008-01-24 | Sumitomo Wiring Systems, Ltd | Grommet and forming method for the grommet |
-
2009
- 2009-01-23 CN CN2009100039424A patent/CN101465181B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3770876A (en) * | 1972-05-08 | 1973-11-06 | Goodyear Tire & Rubber | Elastic cover and method of applying said cover |
| US4192352A (en) * | 1974-08-09 | 1980-03-11 | Hitachi, Ltd. | Insulator for covering electric conductors |
| CN2212249Y (en) * | 1994-07-05 | 1995-11-08 | 王治民 | High voltage chamber through-wall sleeve for substation |
| JP2004194391A (en) * | 2002-12-09 | 2004-07-08 | Yazaki Corp | Grommet and water-stopping structure of wire harness |
| CN2603489Y (en) * | 2003-02-28 | 2004-02-11 | 姜华瑞 | Insulation protective sleeve for uncovered connector of electric applinace |
| US20080017401A1 (en) * | 2006-07-20 | 2008-01-24 | Sumitomo Wiring Systems, Ltd | Grommet and forming method for the grommet |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101465181A (en) | 2009-06-24 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20210123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |