CN201063631Y - Housing of optical network unit - Google Patents
Housing of optical network unit Download PDFInfo
- Publication number
- CN201063631Y CN201063631Y CNU2007200508809U CN200720050880U CN201063631Y CN 201063631 Y CN201063631 Y CN 201063631Y CN U2007200508809 U CNU2007200508809 U CN U2007200508809U CN 200720050880 U CN200720050880 U CN 200720050880U CN 201063631 Y CN201063631 Y CN 201063631Y
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- CN
- China
- Prior art keywords
- lower half
- housing
- shell
- optical network
- network unit
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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.)
- Expired - Lifetime
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Abstract
The utility model relates to a shell for an optical network unit, comprising an upper half shell, a lower half shell and a fastener, wherein, both the upper half shell and the lower half shell are provided with annular frames, and the annular frame of the upper half shell and the annular frame of the lower half shell are fastened and then connected with each other through the fastener. The utility model is characterized in that: an annular groove is arranged on a fastened connecting surface of the annular frame of the lower half shell; a sealing ring is arranged inside the annular groove; the shape of the seal ring fits closely with that of the annular groove. Because the sealing ring and the annular frame of the upper half shell, and the sealing ring and the annular frame of the lower half shell are contacted with each other closely when the upper half shell and the lower half shell are fastened, and a waterproof dustproof structure is formed, thereby the utility model has the advantages of good waterproof and dustproof functions, capability of effectively preventing water, dusts and so on from entering into the optical network unit, capability of making the optical network unit be adaptive to outdoor environment, capability of being used normally under the condition of severe weather, and accordance with the use environment requirement from optical fibre to storied buildings (FTTB).
Description
Technical field
The utility model relates to the optical network unit in the EPON (EPON) based on Ethernet, specifically, relates to the housing of this optical network unit.
Background technology
Optical network unit in the existing EPON based on Ethernet (EPON) is general only by office work environmental requirement design, do not have waterproof and dust reduction capability, usually need be seated in environmental aspect local (as in the office, in the family) use preferably, when practical application, there is certain limitation, be difficult to adapt to outdoor environment, particularly can not comparatively use under the atrocious weather, not meet the environment for use requirement of Fiber-To-The-Building (FTTB).
Summary of the invention
Technical problem to be solved in the utility model provides a kind of housing with optical network unit of waterproof and dust reduction capability, makes optical network unit can adapt to outdoor environment.The technical scheme that adopts is as follows:
A kind of housing of optical network unit, comprise upper half-shell, housing lower half and securing member, upper half-shell and housing lower half all have the ring-type frame, the ring-type frame of upper half-shell and the ring-type frame of housing lower half fasten the back and link together by securing member, it is characterized in that: the face of being fastened and connected of the ring-type frame of described housing lower half is provided with annular recess, be provided with sealing ring in the annular recess, sealing ring and annular recess shape match.
Usually, the upper surface of sealing ring is higher than the face that is fastened and connected of the ring-type frame of housing lower half, in the time of can guaranteeing upper half-shell and housing lower half to be linked together with securing member, the ring-type frame of upper half-shell is pressed in sealing ring in the annular recess tightly, all closely contact between the ring-type frame of sealing ring and upper half-shell and between the ring-type frame of sealing ring and housing lower half, constitute the waterproof and dustproof structure one.
In preferred scheme, the face of being fastened and connected of the ring-type frame of upper half-shell is provided with collar flange, and collar flange is corresponding with annular recess.When upper half-shell and housing lower half being linked together with securing member, collar flange is pressed on the sealing ring tightly, and be pressed in sealing ring in the annular recess tightly, thereby make between the ring-type frame of sealing ring and upper half-shell and the ring-type frame of sealing ring and housing lower half between all closely contact, constitute the waterproof and dustproof structure one.Because when collar flange was pressed on the sealing ring, sealing ring produced elastic deformation, form the annular recess that matches with collar flange in the upper surface of sealing ring, thereby sealing effectiveness is better.
The upper surface of preferred sealing ring is provided with second annular recess, and second annular recess and collar flange match, and the degree of depth of second annular recess is less than the height of collar flange.Like this, when with securing member upper half-shell and housing lower half being linked together, collar flange is embedded in second annular recess and is pressed in tightly on the sealing ring, more helps strengthening collar flange and contacts with the tight of sealing ring.
Optical network unit need be connected with miscellaneous equipment by inlet wire and/or outlet, thereby is provided with opening on upper half-shell and/or housing lower half, and the line mouth was installed on the opening, crosses the line mouth and also should adopt the waterproof and dustproof structure.Be a kind of preferred line mouth structure of crossing below: cross the line mouth and comprise tubular holder, resilient plug and swivel nut; Tubular holder is installed on the outside of opening, and its inside is provided with through hole, and its bottom is tightly connected with the edge of opening, and its stage casing is provided with external screw thread, and its top is provided with a plurality of flexure strips around its through hole, and flexure strip surrounds a space; Resilient plug is in the space that flexure strip surrounds, and fits in the inboard in the inboard of its lateral surface and flexure strip and tubular holder stage casing, and resilient plug had line three-way hole; Swivel nut in a tubular form, its Lower Half has the internal thread that the external screw thread with the tubular holder stage casing is complementary, the rounded and internal diameter of the cross section inner edge of its first half reduces from bottom to top gradually, swivel nut and tubular holder are by being threaded.The preferred elastomeric sheet evenly distributes around the tubular holder through hole.Cross the quantity of line three-way hole on the resilient plug and determine according to actual needs, can be for one or more.During installation, line passes from the through hole of crossing line three-way hole (internal diameter of crossing line three-way hole is complementary with the external diameter of line) and swivel nut, adjust the position of line after, rotate swivel nut, swivel nut is connected on the tubular holder; The inwall of the swivel nut first half is with after flexure strip contacts, along with the swivel nut rotation, the inwall compressing flexure strip of the swivel nut first half, flexure strip curves inwardly gradually and oppresses resilient plug, resilient plug generation elastic deformation is crossed line three-way hole and is dwindled gradually, and the line three-way hole inwall was contacted with the intimate of line, the lateral surface of resilient plug is closely contacted with the inwall in flexure strip and tubular holder stage casing, constitute the waterproof and dustproof structure.
In preferred scheme, upper half-shell and housing lower half are hinged.Upper half-shell and housing lower half also can be separable two parts.
Above-mentioned securing member can be with screw or bolt.
Above-mentioned sealing ring and resilient plug can adopt rubber (being preferably silicon rubber) to make.Sealing ring and resilient plug are difficult for aging, and be not fragile under the situation of repeated removal, so the waterproof and dustproof performance of housing is unaffected.
Upper half-shell and housing lower half can adopt aluminium alloy compression casting, and handle through surface passivation, make housing that good shock resistance characteristic and corrosion resistance be arranged.
The utility model is owing to be equipped with the waterproof and dustproof structure at the fastening place and the mistake line mouth place of upper half-shell and housing lower half, therefore have excellent waterproof and dust reduction capability, can effectively stop water and dust etc. to enter optical network unit inside, make optical network unit can adapt to outdoor environment, even comparatively also can normally use under the atrocious weather, meet the environment for use requirement of Fiber-To-The-Building (FTTB).
Description of drawings
Fig. 1 is the structural representation (open mode) of the utility model one preferred embodiment;
Fig. 2 is the partial sectional view of buckling state;
Fig. 3 is an exploded view (half section) of crossing the line mouth among Fig. 1.
Embodiment
As depicted in figs. 1 and 2, the housing of this optical network unit comprises upper half-shell 1, housing lower half 2 and securing member, upper half-shell 1 has ring-type frame 3, housing lower half 2 has ring-type frame 4, and the ring-type frame 3 of upper half-shell 1 fastens the back with the ring-type frame of housing lower half 24 and links together by securing member; The face of being fastened and connected of the ring-type frame 4 of housing lower half 2 is provided with annular recess 5, is provided with sealing ring 6 in the annular recess 5, and sealing ring 6 matches with annular recess 5 shapes; The face of being fastened and connected of the ring-type frame 3 of upper half-shell 1 is provided with collar flange 7, and collar flange 7 is corresponding with annular recess 5; The upper surface of sealing ring 6 is provided with second annular recess, 8, the second annular recess 8 and matches with collar flange 7, and the degree of depth of second annular recess 8 is less than the height of collar flange 7.
When upper half-shell 1 and housing lower half 2 being linked together with securing member, collar flange 7 is embedded in second annular recess 8, be pressed in tightly on the sealing ring 6, and sealing ring 6 is pressed in the annular recess 5 tightly, sealing ring 6 produces elastic deformation, thereby make between the ring-type frame 3 of sealing ring 6 and upper half-shell 1 and the ring-type frame 4 of sealing ring 6 and housing lower half 2 between all closely contact, constitute the waterproof and dustproof structure one.
Upper half-shell 1 is hinged by hinge 9 and housing lower half 2.Upper half-shell 1 and housing lower half 2 adopt aluminium alloy compression casting, and handle through surface passivation, make housing that good shock resistance characteristic and corrosion resistance be arranged.
Securing member adopts screw 10 (having 4).Upper half-shell 1 and housing lower half 2 are provided with corresponding screw 11.
Optical network unit need be connected with miscellaneous equipment by inlet wire and/or outlet, thereby is provided with opening on upper half-shell 1 and/or housing lower half 2, and the line mouth was installed on the opening, crosses the line mouth and also should adopt the waterproof and dustproof structure.As shown in Figure 3, cross the line mouth and comprise tubular holder 12, resilient plug 13 and swivel nut 14; (bolt arrangement is made of bulge loop 18, external thread section 20 and nut 19 tubular holder 12 by bolt arrangement, bulge loop 18 and tubular holder 12 and external thread section 20 one, bulge loop 18 is between tubular holder 12 and the external thread section 20) be installed on the outside of opening, its inside is provided with through hole 15, its bottom is tightly connected with the edge of opening, its stage casing is provided with external screw thread, and its top is provided with a plurality of flexure strips 16 around its through hole, and flexure strip 16 surrounds a space; Resilient plug 13 is in the space that flexure strip 16 surrounds, and fits in the inboard in the inboard of its lateral surface and flexure strip 16 and tubular holder 12 stage casings, and resilient plug 13 had line three-way hole 17; Swivel nut 14 in a tubular form, its Lower Half has the internal thread that the external screw thread with tubular holder 12 stage casings is complementary, the rounded and internal diameter of the cross section inner edge of its first half reduces from bottom to top gradually, swivel nut 12 and tubular holder 12 are by being threaded.Flexure strip 16 evenly distributes around the through hole 15 of tubular holder 12.Cross the quantity of line three-way hole 17 on the resilient plug 13 and determine according to actual needs, can be for one or more, resilient plug 1 is provided with two and crosses line three-way hole 17 in the present embodiment.During installation, line passes from the through hole of crossing line three-way hole 17 (internal diameter of crossing line three-way hole 17 is complementary with the external diameter of line) and swivel nut 14, adjust the position of line after, rotate swivel nut 14, swivel nut 14 is connected on the tubular holder 12; The inwall of swivel nut 14 first halves is with after flexure strip 16 contacts, along with swivel nut 14 rotations, the inwall compressing flexure strip 16 of swivel nut 14 first halves, flexure strip 16 curves inwardly gradually and oppresses resilient plug 13, elastic deformation takes place in resilient plug 13, crosses line three-way hole 17 and dwindles gradually, and line three-way hole 17 inwalls were contacted with the intimate of line, the lateral surface of resilient plug 13 is closely contacted with the inwall in flexure strip 16 and tubular holder 12 stage casings, constitute the waterproof and dustproof structure.
Claims (6)
1. the housing of an optical network unit, comprise upper half-shell, housing lower half and securing member, upper half-shell and housing lower half all have the ring-type frame, the ring-type frame of upper half-shell and the ring-type frame of housing lower half fasten the back and link together by securing member, it is characterized in that: the face of being fastened and connected of the ring-type frame of described housing lower half is provided with annular recess, be provided with sealing ring in the annular recess, sealing ring and annular recess shape match.
2. the housing of optical network unit according to claim 1, it is characterized in that: the face of being fastened and connected of the ring-type frame of described upper half-shell is provided with collar flange, and collar flange is corresponding with annular recess.
3. the housing of optical network unit according to claim 2, it is characterized in that: the upper surface of described sealing ring is provided with second annular recess, and second annular recess and collar flange match, and the degree of depth of second annular recess is less than the height of collar flange.
4. according to the housing of each described optical network unit of claim 1～3, it is characterized in that: described upper half-shell and housing lower half are hinged.
5. according to the housing of each described optical network unit of claim 1～3, it is characterized in that: described upper half-shell and/or housing lower half are provided with opening, and the line mouth was installed on the opening, cross the line mouth and comprise tubular holder, resilient plug and swivel nut; Tubular holder is installed on the outside of opening, and its inside is provided with through hole, and its bottom is tightly connected with the edge of opening, and its stage casing is provided with external screw thread, and its top is provided with a plurality of flexure strips around its through hole, and flexure strip surrounds a space; Resilient plug is in the space that flexure strip surrounds, and fits in the inboard in the inboard of its lateral surface and flexure strip and tubular holder stage casing, and resilient plug had line three-way hole; Swivel nut in a tubular form, its Lower Half has the internal thread that the external screw thread with the tubular holder stage casing is complementary, the rounded and internal diameter of the cross section inner edge of its first half reduces from bottom to top gradually, swivel nut and tubular holder are by being threaded.
6. the housing of optical network unit according to claim 5, it is characterized in that: described flexure strip evenly distributes around the tubulose block hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200508809U CN201063631Y (en) | 2007-04-28 | 2007-04-28 | Housing of optical network unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200508809U CN201063631Y (en) | 2007-04-28 | 2007-04-28 | Housing of optical network unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201063631Y true CN201063631Y (en) | 2008-05-21 |
Family
ID=39452018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200508809U Expired - Lifetime CN201063631Y (en) | 2007-04-28 | 2007-04-28 | Housing of optical network unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201063631Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326593A (en) * | 2012-03-19 | 2013-09-25 | Ls产电株式会社 | Solar power inverter with sealing means |
| CN107114869A (en) * | 2017-07-05 | 2017-09-01 | 龙再风 | Suture is without viscose glue footwear and its manufacture craft in a kind of sole and upper |
| CN109548340A (en) * | 2018-12-19 | 2019-03-29 | 上海创功通讯技术有限公司 | A kind of fixed device of side switch |
-
2007
- 2007-04-28 CN CNU2007200508809U patent/CN201063631Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326593A (en) * | 2012-03-19 | 2013-09-25 | Ls产电株式会社 | Solar power inverter with sealing means |
| CN103326593B (en) * | 2012-03-19 | 2016-01-20 | Ls产电株式会社 | There is the solar inverter of sealing device |
| CN107114869A (en) * | 2017-07-05 | 2017-09-01 | 龙再风 | Suture is without viscose glue footwear and its manufacture craft in a kind of sole and upper |
| CN107114869B (en) * | 2017-07-05 | 2022-12-27 | 龙再风 | Non-adhesive rubber shoes with inner seams of soles and uppers and manufacturing process thereof |
| CN109548340A (en) * | 2018-12-19 | 2019-03-29 | 上海创功通讯技术有限公司 | A kind of fixed device of side switch |
| CN109548340B (en) * | 2018-12-19 | 2024-06-11 | 上海创功通讯技术有限公司 | Side key fixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG DONYAN NETWORK TECHNOLOGIES CO., LTD. Free format text: FORMER NAME: SHANTOU HI-TECH ZONE ULTRA-VISTA TECHNOLOGIES INC. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Shantou high tech Zone Technology South Street Longhu District 515000 in Guangdong Province, Shantou City No. 6 Building 5 floor hengze Patentee after: GUANGDONG DONGYAN NETWORK TECHNOLOGIES Co.,Ltd. Address before: Shantou high tech Zone Technology South Street Longhu District 515000 in Guangdong Province, Shantou City No. 6 Building 5 floor hengze Patentee before: Shantou Hi-tech Zone Ultra-vista Technologies Inc. |
|
| CP03 | Change of name, title or address |
Address after: 515000, Shantou hi tech Zone, Guangdong Province Road 6 (venture building) third, eleventh, twelfth layers Patentee after: GUANGDONG DONYAN NETWORK TECHNOLOGIES Co.,Ltd. Address before: Shantou high tech Zone Technology South Street Longhu District 515000 in Guangdong Province, Shantou City No. 6 Building 5 floor hengze Patentee before: GUANGDONG DONGYAN NETWORK TECHNOLOGIES Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080521 |