CN201974546U - Adapter assembly - Google Patents
Adapter assembly Download PDFInfo
- Publication number
- CN201974546U CN201974546U CN2010206974758U CN201020697475U CN201974546U CN 201974546 U CN201974546 U CN 201974546U CN 2010206974758 U CN2010206974758 U CN 2010206974758U CN 201020697475 U CN201020697475 U CN 201020697475U CN 201974546 U CN201974546 U CN 201974546U
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- Prior art keywords
- adapter assembly
- radome
- clamping device
- sfp
- box body
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Abstract
The utility model discloses an adapter assembly, which is used for mounting a screening can to a box body, wherein the box body comprises a mounting surface for mounting the adapter assembly. The adapter assembly comprises an adapter and is detachably fixed to the mounting surface of the box body. Moreover, the adapter assembly also comprises a clamping device, and the structure of the clamping device is suitable for being located between the adapter and the mounting surface of the box body; the clamping device is provided with an opening which is suitable for the screening can to be mounted to be inserted into and pass through and a plurality of elastic moment arms used for clamping the screening can, and thereby, the distance that the elastic moment arms coming into contact with the screening can is increased along the axial direction of the screening can, and the increased distance that the screening can moves along the axial direction is allowed so as to reduce the possibility that the screening can is easy to separate from the box body because of external forces, environmental factors and the like is reduced, and thereby, the stable optical fiber communication signal transmission is realized.
Description
Technical field
The utility model relates to optical-fibre communications field.Particularly, the utility model relates to a kind of adapter assembly, it is used for (the Fiber To The Antenna at FTTA, optical fiber is to cat head) in broadband user's access way, connect RRU (Radio Remote Unit, Remote Radio Unit) and SFP (SmallForm-Factor Pluggable, miniature pluggable module) transceiver or optical module.
Background technology
Along with the continuous development of optical fiber communication technology, FTTA broadband user's access way is popularized gradually.
In optical fiber communication technology, the connection between the optical-fibre communications equipment is vital to ensuring signal quality.In the FTTA access way, the RRU box is arranged on the communication base station, and the SFP transceiver or the optical module that are connected to the user are installed on the RRU box by adapter (adapter).Usually, in order to reduce the electromagnetic interference (EMI) radiation, the SFP transceiver is contained in the SFP radome (SFP cage).
Figure 1A illustrates the assembling synoptic diagram of existing SFP radome and RRU box, and Figure 1B illustrates and is used for the SFP radome is installed to adapter on the RRU box, and Fig. 1 C shows the SFP radome.Shown in Figure 1A, in use, adapter 1 removably is fixed on the RRU box 2, is formed with a slot 4 in adapter 1, and the SFP radome 3 that wherein is provided with the SFP transceiver is installed on the RRU box 2 by the slot on the adapter 14.Wherein, the outer wall that SFP radome 3 contacts with slot 4 is provided with a plurality of juts 301, and it has certain elasticity, and the inwall that is suitable for strengthening with slot 4 contacts.
But, in above-mentioned assembling mode, owing to form the restriction of the Sheet Metal Forming Technology of jut, it can not have too big tolerance, this has limited the radially installation site of SFP radome on the RRU box, it has also limited simultaneously the applicability of adapter, because can only be installed in the SFP radome that has with the size of the consistent size of its slot on the RRU box.And, because the thickness of adapter is limited, cause the displacement of SFP radome in the length direction hole too short, define the axial installation site of SFP radome.Further, this jut is unsettled with contacting of slot, and when being subjected to external force or environmental impact, the SFP radome comes off from the RRU box easily.
The utility model content
Consider and existing the SFP radome is installed to the above-mentioned defective that the mode on the RRU box exists, this enforcement is novel to have proposed a kind of EMI reed that is used in the FTTA adapter assembly that is used for connecting RRU box and SFP radome, it can improve the location of SFP radome on the RRU box, makes the SFP transceiver have the EMI shield effectiveness simultaneously.
According to a kind of embodiment of the present utility model a kind of adapter assembly is proposed, be used for radome is mounted to box body, this box body comprises the installed surface that is used to install this adapter assembly, this adapter assembly comprises an adapter, be used to be removably fixed to the described installed surface of described box body, wherein, this adapter assembly also comprises a clamping device, it is configured to be fit to be positioned between the described installed surface of adapter and box body, and this clamping device is provided with a plurality of elasticity arm of forces that the radome that is fit to install therefrom inserts a perforate of passing and is used for the described radome of clamping.
In above-mentioned adapter assembly, each elasticity arm of force can have and is used to contact and a surface of contact of the described radome of clamping.
In above-mentioned adapter assembly, described clamping device comprises a tabular or disc-shaped main body, and described main body has an inwall that forms described perforate, and described a plurality of elasticity arm of forces are arranged on the described inwall.
In above-mentioned adapter assembly, described a plurality of elasticity arm of forces can form axially extending integratedly from described inwall along the described radome that will install.
In above-mentioned adapter assembly, described a plurality of elasticity arm of forces can be arranged on the described inwall symmetrically.
In above-mentioned adapter assembly, described perforate can have rectangular shape, and the quantity of described a plurality of elasticity arm of forces can be four.
In above-mentioned adapter assembly, described a plurality of elasticity arm of forces can be made by aldary or stainless steel.
In above-mentioned adapter assembly, described clamping device can be the stamping parts that forms by Sheet Metal Forming Technology.
In above-mentioned adapter assembly, described clamping device can be provided with a plurality of keys that are fit to navigate on the described installed surface.
In above-mentioned adapter assembly, described radome can be a miniature pluggable module (SFP) radome, and described box body can be a Remote Radio Unit (RRU) box body.
Adapter assembly according to an embodiment of the present utility model, because the elasticity arm of force has increased and SFP radome contact distance along the axial direction of SFP radome, allow the SFP radome to move the distance that increases vertically thus, the possibility that the SFP radome that reduction is caused by external force, environmental factor etc. breaks away from from the RRU box easily realizes stable optical-fibre communications signal transmission.
After consulting following detailed embodiment and diagram of being correlated with and claim, the person of readding can understand other purpose of the present utility model, feature and advantage better.
Description of drawings
Consult follow-up diagram and can understand principle of the present utility model better with description.Not detailed row and non-restrictive example then please refer to the description of this subsequent figures in the literary composition.Element in the diagram might not meet ratio, and is to depict principle of the present utility model in the mode of emphasizing.In diagram, components identical lies in the part that marks identical correspondence in the different diagrams.
Figure 1A is installed to the perspective diagram of an embodiment on the RRU box by existing adapters for diagram SFP radome;
Figure 1B is used for the SFP radome is installed to the synoptic diagram of an embodiment of the adapter on the RRU box for diagram;
Fig. 1 C is the synoptic diagram of an embodiment of diagram SFP radome;
Fig. 2 A is installed to perspective diagram on the RRU box for diagram SFP radome by the adapter assembly according to a kind of embodiment of the utility model;
Fig. 2 B is the decomposition diagram of Fig. 2 A;
Fig. 3 A is the front elevation of diagram according to the clamping device in the adapter assembly of a kind of embodiment of the present utility model; And
Fig. 3 B is the rear view of the clamping device shown in Fig. 3 A.
Embodiment
Below in conjunction with the drawings and the specific embodiments the utility model is described further.
Fig. 2 A is for illustrating the SFP radome by be installed to the perspective diagram of the state on the RRU box according to adapter assembly of the present utility model.Fig. 2 B is the decomposition diagram of Fig. 2 A.Shown in Fig. 2 A and 2B, in use, the adapter 1 of the SFP radome 3 that is used to transfer can removably be fixed on RRU box 2.According to an exemplary embodiment of the present utility model, on adapter 1 and RRU box 2, be respectively arranged with corresponding a plurality of screws, by screw is screwed in the screw, adapter 1 removably can be fixed on the RRU box 2.
According to embodiment of the present utility model, between adapter 1 and RRU box 2, be provided with a clamping device 6, be used for locating rightly and connect SFP radome 3 and RRU box 2.According to an exemplary embodiment of the present utility model, clamping device 6 is provided with a perforate 601 and a plurality of elasticity arm of force 602, in installation process, the SFP radome 3 that wherein is equipped with SFP transceiver or optical module (not shown) passes perforate 601, and the elasticity arm of force 602 contact and clamping SFP radomes 3, thereby locate SFP radome 3 rightly with respect to RRU box 2.According to an exemplary embodiment of the present utility model, the elasticity arm of force 602 is integrally formed with the inwall of perforate 601, and along axial direction (be X-direction in Fig. 2 A) extension of SFP radome 3, inserts from perforate 601 and passes to be suitable for SFP radome 3.
According to an exemplary embodiment of the present utility model, 602 one-tenth foliated lamellar of the elasticity arm of force, it has the surface of contact that contacts with the SFP radome that will install.Shown in Fig. 2 A, described surface of contact has along the length of the axial direction of SFP radome (X-direction) with along the width of the direction of direction perpendicular to axial direction (Y direction) substantially.According to the utility model, because the elasticity arm of force 602 has elasticity, so can have bigger surface in contact in the YZ direction, the SFP radome that can connect multiple size, and increased and SFP radome 3 contact distance (shown in " L " among Fig. 2 A) along the axial direction of SFP radome 3, what allow SFP radome 3 thus is moving axially the distance of increase, the possibility that the SFP radome 3 that reduction is caused by external force, environmental factor etc. breaks away from from RRU box 2 easily realizes stable optical-fibre communications signal transmission.
Fig. 3 A and 3B show the synoptic diagram according to the clamping device in the adapter assembly of the present utility model 6 respectively.According to an exemplary embodiment of the present utility model, as shown in the figure, the main body of clamping device 6 is roughly tabular or plate-like, wherein for example form the perforate 601 that the SFP radome 3 that is fit to install therefrom passes, be used in use contacting and a plurality of elasticity arm of forces 602 of clamping SFP radome 3 extend integratedly laterally from the inwall of perforate 601 by punching press.According to an exemplary embodiment of the present utility model, the elasticity arm of force 602 is a blade shape, and the installed surface that will navigate on the RRU box 2 that is approximately perpendicular to this clamping device 6 extends.But in other embodiments, the elasticity arm of force 602 there is no need to extend perpendicular to the installed surface of this clamping device, for example, it can extend obliquely laterally integratedly or extend towards the center line perpendicular to the installed surface of this clamping device 6 from the inwall of perforate 601, be converged state, and be fit to the SFP radome 3 that contact and resilient clamp will be passed from perforate 601.
According to an exemplary embodiment of the present utility model, described a plurality of elasticity arm of forces 602 are arranged on the inwall of perforate 601 symmetrically, with the balance and the correct location of keeping SFP radome 3.In illustrated embodiment, clamping device 6 is provided with four elasticity arm of forces 602, but in other embodiments, the quantity of the elasticity arm of force 602 can be three or more, and can be provided with rightly as required.In illustrated embodiment, perforate 601 is substantially rectangle, and with consistent with the profile of the SFP radome that will install, but the shape of perforate 601 can be configured to the shape that other any suitable SFP radome therefrom passes, as circle.
According to an exemplary embodiment of the present utility model, clamping device 6 can also be provided with the structure on the installed surface that is configured to be positioned at RRU box 2, a plurality of keys 603 shown in Fig. 3 A and 3B, in installation process, described key 603 can be positioned in the corresponding keyway 203 (referring to Fig. 2 B) on the installed surface of RRU box 2, thereby guiding location and the aligning of clamping device 6 on RRU box 2, and avoid clamping device 6 with respect to the motion of RRU box or come off.
According to the utility model, clamping device 6 can be the stamping parts that forms by Sheet Metal Forming Technology, the single piece that is stamped to form by aldary or stainless steel materials for example, and the punching hole that forms at the middle part of clamping device 6 is used as perforate 601, the elasticity arm of force 602 extends from the inwall one of perforate 601 along the axial direction (X-direction) of SFP radome, and wherein the size and dimension of the elasticity arm of force 602, perforate 602 etc. can be by concrete needs and Sheet Metal Forming Technology decision.But in other embodiments, the elasticity arm of force 602 can pass through alternate manner, as welding, forms or is combined on the inwall of perforate 602.
Referring again to Fig. 2 A and 2B, also be formed with the perforate 101 that suitable SFP radome 3 therefrom passes on the adapter 1.In the process that SFP radome 3 is installed on the RRU box 2, at first, clamping device 6 is positioned on the RRU box 2, the key 603 of clamping device 6 is engaged with keyway 203 on the RRU box 2; Subsequently, adapter 1 is fixed on the installed surface of RRU box 2,, thus clamping device 6 is pressed on the installed surface of RRU box 2, make clamping device 6 closely contact with RRU box 2 as screw 7 being screwed in the screw on adapter 1 and the RRU box 2.At last, SFP radome 3 inserts in the perforation 601 in the clamping devices 6, and by a plurality of elasticity arm of force 602 clampings of clamping device 6, thereby SFP radome 3 is installed to RRU box 2 securely, and can keep big adjustment leeway.
According to the utility model, because the RRU box itself has shield effectiveness, when after clamping device being navigated on the RRU box and by adapter, locking, clamping device and RRU box connect as one, hashs such as electromagnetic interference (EMI) can be delivered to the RRU box by clamping device by the SFP radome, thereby make SFP transceiver or optical module in the SFP radome realize shield effectiveness.In other words, according to the utility model, clamping device can also be used as the EMI reed, makes the SFP transceiver of its switching or optical module have better EMI shield effectiveness.According to an exemplary embodiment of the present utility model, as previously mentioned, clamping device 6 can be made by aldary or stainless steel, but in other embodiments, clamping device 6 can be fit to the EMI signal is conducted to from the SFP radome any material structure of RRU box by other.
The above embodiments and accompanying drawing only have recapitulative understanding for those skilled in the art for variant embodiment of the present utility model.Those diagrams and explanation are not to want description that the device that utilizes structure described herein or method and all elements in the system and feature are made integrality.By reading instructions of the present utility model, those skilled in the art will more can understand many other embodiment of the present utility model, will be derived from the content of disclosure of the present utility model.Under the situation departing from the utility model protection domain not, the utility model can carry out the displacement and the change of structure and logic.In addition, accompanying drawing of the present utility model only is used for diagram but not draws in proportion.Some part in the accompanying drawing may be exaggerated emphasizing, and other parts may be by simple.Therefore, instructions of the present utility model and accompanying drawing should be considered as describing and non-limiting matter, and will be limited by the protection domain of hereinafter claim.It should be noted that word " comprises " does not get rid of other element or step, and word " " or " one " do not get rid of a plurality of.In addition, any element numbers of claim should not be construed as and limits the scope of the invention.
Claims (10)
1. adapter assembly, be used for a radome is mounted to a box body, described box body comprises an installed surface that is used to install this adapter assembly, and described adapter assembly comprises an adapter, be used to be removably fixed to the described installed surface of described box body
It is characterized in that described adapter assembly also comprises:
A clamping device is constructed to be positioned between the described installed surface of described adapter and box body, and described clamping device is provided with the perforate that the described radome that is fit to install therefrom passes and a plurality of elasticity arm of forces that are used for the described radome of clamping.
2. adapter assembly according to claim 1 is characterized in that,
Each described elasticity arm of force all has and is used to contact and a surface of contact of the described radome of clamping.
3. adapter assembly according to claim 2 is characterized in that,
Described clamping device comprises a tabular or disc-shaped main body, and described main body has an inwall that forms described perforate, and described a plurality of elasticity arm of forces are arranged on the described inwall.
4. adapter assembly according to claim 3 is characterized in that,
Described a plurality of elasticity arm of force forms axially extending integratedly from described inwall along the described radome that will install.
5. adapter assembly according to claim 3 is characterized in that,
Described a plurality of elasticity arm of force is arranged on the described inwall symmetrically.
6. adapter assembly according to claim 5 is characterized in that,
Described perforate has rectangular shape, and the quantity of described a plurality of elasticity arm of forces is four.
7. according to each described adapter assembly among the claim 1-6, it is characterized in that,
Described a plurality of elasticity arm of force is made by aldary or stainless steel.
8. adapter assembly according to claim 7 is characterized in that,
Described clamping device is the stamping parts that forms by Sheet Metal Forming Technology.
9. adapter assembly according to claim 7 is characterized in that,
Described clamping device is provided with a plurality of keys that are fit to navigate on the described installed surface.
10. according to each described adapter assembly among claim 1-6 and the 8-9, it is characterized in that,
Described radome is a miniature pluggable module (SFP) radome, and described box body is a Remote Radio Unit (RRU) box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206974758U CN201974546U (en) | 2010-12-30 | 2010-12-30 | Adapter assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206974758U CN201974546U (en) | 2010-12-30 | 2010-12-30 | Adapter assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201974546U true CN201974546U (en) | 2011-09-14 |
Family
ID=44579646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206974758U Expired - Fee Related CN201974546U (en) | 2010-12-30 | 2010-12-30 | Adapter assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201974546U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10018793B2 (en) | 2016-12-06 | 2018-07-10 | Japan Aviation Electronics Industry, Limited | Connector |
| CN109719647A (en) * | 2019-01-24 | 2019-05-07 | 深圳市维度科技有限公司 | A kind of optical fiber connector lock pin clamping device |
-
2010
- 2010-12-30 CN CN2010206974758U patent/CN201974546U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10018793B2 (en) | 2016-12-06 | 2018-07-10 | Japan Aviation Electronics Industry, Limited | Connector |
| CN109719647A (en) * | 2019-01-24 | 2019-05-07 | 深圳市维度科技有限公司 | A kind of optical fiber connector lock pin clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110914 Termination date: 20181230 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |