CN213690025U - Anti-seismic coupling device - Google Patents

Anti-seismic coupling device Download PDF

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Publication number
CN213690025U
CN213690025U CN202023349183.8U CN202023349183U CN213690025U CN 213690025 U CN213690025 U CN 213690025U CN 202023349183 U CN202023349183 U CN 202023349183U CN 213690025 U CN213690025 U CN 213690025U
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China
Prior art keywords
lens barrel
pressing
optical fiber
coupling device
coupling
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CN202023349183.8U
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Chinese (zh)
Inventor
王建刚
杨田
杨威
程英
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Wuhan Huagong Laser Engineering Co Ltd
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Wuhan Huagong Laser Engineering Co Ltd
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Abstract

The application discloses antidetonation coupling device relates to laser coupling technical field. An anti-seismic coupling device comprising: the coupling seat is internally provided with an inner cavity; a lens barrel mounted within the inner cavity; the lens barrel pressing part is provided with a fixing part and a pressing part which are connected, the fixing part is fixedly connected with the coupling seat, and the pressing part penetrates through the cavity wall of the inner cavity to press the lens barrel. The lens barrel is prevented from moving due to the fact that the pressing piece presses the lens barrel, coupling failure is avoided, and then the anti-seismic effect is achieved.

Description

Anti-seismic coupling device
Technical Field
The application relates to the technical field of laser coupling, in particular to an anti-seismic coupling device.
Background
With the rapid development of laser technology, laser processing equipment is widely used in the industrial field. The current laser processing equipment is usually applied to technologies such as high-speed light splitting, energy light splitting, time light splitting and the like, and the application of the technologies is applied to a laser coupling technology. The laser processing equipment is bound to vibrate in the transportation or use environment, and the vibration can cause the loosening of parts of the coupling device, so that the coupling failure of the coupling device is caused, and the laser equipment cannot work normally.
In the existing coupling device, there are two main categories for fixing the lens barrel: firstly, a headless inner hexagon bolt is directly screwed into a threaded hole to fix a lens barrel; and secondly, suspending screws and screwing the screws into the threaded holes to fix the lens barrel. In both modes, under a vibration environment, bolts or screws are easy to loosen, so that coupling failure is caused.
SUMMERY OF THE UTILITY MODEL
The application provides an antidetonation coupling device for solve the problem among the prior art.
In order to solve the above problems, the present application provides:
an anti-seismic coupling device, comprising:
the coupling seat is internally provided with an inner cavity;
a lens barrel mounted within the inner cavity;
the lens barrel pressing part is provided with a fixing part and a pressing part which are connected, the fixing part is fixedly connected with the coupling seat, and the pressing part penetrates through the cavity wall of the inner cavity to press the lens barrel.
As a further alternative of the anti-seismic coupling device, the fixing portion is fixedly connected with the coupling seat through a first fastening piece, and a first anti-loosening piece is arranged between the first fastening piece and the fixing portion.
As a further alternative to the anti-seismic coupling, the number of first fastening members and first anti-loosening elements is at least one each.
As a further alternative of the anti-vibration coupling device, a first groove is formed in one end of the pressing portion, which is used for pressing the lens barrel, so that contact points of the pressing portion and the lens barrel are increased.
As a further alternative of the anti-seismic coupling device, a first through hole is formed in the cavity wall of the inner cavity, the pressing portion penetrates through the first through hole, the fixing portion is a circular plate, and the diameter of the circular plate is larger than the aperture of the first through hole.
As a further alternative of the anti-seismic coupling device, the anti-seismic coupling device further comprises an optical fiber connector, a second groove is further formed in the coupling seat, the second groove is communicated with the inner cavity, and the optical fiber connector is arranged in the second groove;
and an optical fiber joint pressing ring is arranged on one side of the optical fiber joint, the optical fiber joint pressing ring is abutted against the optical fiber joint from the opening side of the second groove, and the optical fiber joint pressing ring is fixedly connected with the coupling seat.
As a further alternative to the anti-seismic coupling arrangement, the inner diameter of the optical fibre splice clamping ring is smaller than the smallest outer diameter of the optical fibre splice, and the outer diameter of the optical fibre splice clamping ring is larger than the largest outer diameter of the optical fibre splice.
As a further alternative of the anti-seismic coupling device, the optical fiber connector pressing ring is fixedly connected with the coupling seat through a second fastening piece, and a second anti-loosening piece is arranged between the second fastening piece and the optical fiber connector pressing ring.
As a further alternative to the anti-seismic coupling, the number of second fastening members and second anti-loosening elements is at least two each.
As a further alternative of the anti-seismic coupling device, the coupling seat is further provided with at least one third fastening member for pressing against the lens barrel.
The beneficial effect of this application is:
the application provides an antidetonation coupling device is provided with the inner chamber in the coupling seat, fixes on the coupling seat through the fixed part of lens section of thick bamboo casting die, and the section of thick bamboo of lens section of thick bamboo casting die passes the chamber wall of inner chamber and supports the pressure to the lens section of thick bamboo in the coupling seat, makes the lens section of thick bamboo in the coupling seat fix. Because the fixed part of lens barrel casting die is fixed on the coupling seat, and the lens barrel is installed in the coupling seat, when the lens barrel casting die and the lens barrel vibrate, the lens barrel casting die can not move relative to the coupling seat, and the lens barrel can not move relative to the coupling seat, thereby keeping the pressing state of the pressing part of the lens barrel casting die and the pressing state of the lens barrel. Therefore, the anti-seismic coupling device can prevent the lens barrel in the coupling seat from loosening, further cause coupling failure and influence the normal work of the coupling device, meanwhile, the later stage of the coupling device is free from debugging or low-efficiency debugging, and the after-sale and maintenance cost of the device is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 shows a cross-sectional view of the anti-seismic coupling device of the present invention;
FIG. 2 shows an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is a schematic view of the lens barrel pressing member of the anti-seismic coupling device of the present invention;
fig. 4 shows a top view of the anti-seismic coupling device of the present invention;
fig. 5 shows the structure of the anti-seismic coupling device according to the present invention.
Description of the main element symbols:
100-a coupling seat; 110-lumen; 111-a first via; 112-a second via; 120-a second groove; 130-a third fastener;
200-a lens barrel; 210-a lens barrel press; 211-a fixation section; 212-a press part; 213-a first groove; 220-a first fastener; 230-a first anti-loosening element;
300-optical fiber connector; 310-optical fiber joint clamping ring; 320-a second fastener; 330-second anti-loose element.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Example one
Referring to fig. 1, fig. 2 and fig. 5, the present invention provides an anti-seismic coupling device, which includes a coupling base 100, a lens barrel 200 and a lens barrel pressing member 210, wherein an inner cavity 110 is disposed inside the coupling base 100, and the lens barrel 200 is installed in the inner cavity 110; the lens barrel pressing piece 210 is provided with a fixing portion 211 and a pressing portion 212 which are connected, the fixing portion 211 is used for being fixedly connected with the coupling seat 100, the pressing portion 212 penetrates through the cavity wall of the inner cavity 110 to press the lens barrel 200, and then the lens barrel pressing piece 210 fixes the lens barrel 200, so that the lens barrel is not easy to loosen.
In the present embodiment, the lens barrel pressing member 210 is integrally disposed, that is, the fixing portion 211 and the pressing portion 212 are integrally disposed.
In other embodiments, the lens barrel pressing member 210 may be a split type, i.e., the fixing portion 211 and the pressing portion 212 may be connected by welding or the like.
In particular, the lens barrel press 210 may be used in a variety of coupling devices, as well as providing a shock resistant effect to the coupling device.
The utility model provides a pair of antidetonation coupling device, be provided with inner chamber 110 in coupling seat 100, through fixing the fixed part 211 of lens barrel casting die 210 on coupling seat 100, the support portion 212 of lens barrel casting die 210 passes the chamber wall of inner chamber 110 and supports the lens barrel 200 in the inner chamber 110 and presses, and then fixes lens barrel 200; since the fixing portion 211 of the lens barrel pressing member 210 is fixed on the coupling seat 100 and the lens barrel 200 is installed in the coupling 100, when the lens barrel pressing member 210 and the lens barrel 200 vibrate, the lens barrel pressing member 210 does not move relative to the coupling seat 100, and the lens barrel 200 does not move relative to the coupling seat 100, so as to maintain the pressing state between the pressing portion 212 of the lens barrel pressing member 210 and the lens barrel 200. Therefore, relative ratio prior art, the utility model provides an antidetonation coupling device can prevent lens section of thick bamboo 200's removal effectively, plays antidetonation effect, realizes simultaneously that coupling device's later stage need not debugging or low efficiency debugging, has reduced the device after sale and maintenance cost.
Example two
With reference to fig. 2, in the first embodiment, a fixing portion 211 of the lens barrel pressing member 210 is provided with a mounting hole, the lens barrel pressing member 210 is fixedly connected to the coupling seat 100 by passing a first fastening member 220 through the mounting hole and through a corresponding threaded hole on the coupling seat 100, and a first anti-loose member 230 is further disposed between the first fastening member 220 and the fixing portion 211; by adding the first anti-loose member 230 between the first fastening member 220 and the fixing portion 211 of the lens barrel pressing member 210, the friction force between the first fastening member 220 and the lens barrel pressing member 210 is increased, so that the lens barrel pressing member 210 is not easily moved, and the coupling device has high shock resistance.
In this embodiment, the first fastening member 220 is preferably a screw, and the first anti-loose member 230 is preferably a lock washer. The anti-loose washer is composed of two washers, the outer side of each washer is provided with a radial convex grain surface, the inner side of each washer is provided with an oblique tooth surface, and the dual effects of anti-loose and tightness can be achieved by utilizing the tension between the two washers. Therefore, the anti-vibration effect is achieved by adding the anti-vibration washer, and the coupling device can not cause loosening and displacement of parts due to vibration in the transportation or use process, so that coupling failure is caused, normal work cannot be realized, and the like.
In other embodiments, the first fastening member 220 may be a bolt, and the first anti-loosening element 230 may be at least one nut.
In other embodiments, the first fastening member 220 may be a fastening member such as a pin, and the first anti-release member 230 may be an anti-release member such as a stop washer or a spring washer.
Further, the number of the mounting holes on the fixing portion 211 is at least one, and when there are a plurality of mounting holes, the mounting holes are uniformly distributed on the fixing portion 211, that is, the number of the first fastening members 220 and the first anti-loose members 230 is at least one.
In this embodiment, the number of the mounting holes on the fixing portion 211 is preferably two, and the fixing portion 211 is symmetrically disposed, that is, the number of the first fastening members 220 and the number of the first anti-loosening members 230 are both two, so that the fixing effect can be effectively achieved.
In other embodiments, the number of the mounting holes on the fixing portion 211 may be at least three, and the mounting holes are uniformly distributed on the fixing portion 211, that is, the number of the first fastening members 220 and the first anti-loose members 230 is at least three.
Further, with reference to fig. 2 and fig. 3, a first groove 213 is disposed on an end of the pressing portion 212 for pressing the lens barrel 200 to increase a contact point between the pressing portion 212 and the lens barrel 200; since the end surface of the pressing portion 212 of the lens barrel pressing member 210 is a plane and the surface of the lens barrel 200 is a curved surface, the contact between the lens barrel pressing member 210 and the lens barrel 200 is a plane-to-curved surface contact, and a plane-to-curved surface contact is a line contact, at microscopic and practical angles, the line cannot be completely smooth, actually is an uneven curve, and has a most convex point, so the line contact is actually a point contact. If the first groove 213 is not formed at one end of the pressing part 212 for pressing the lens barrel 200, the lens barrel pressing part 210 and the lens barrel 200 are in line contact with each other through a line, and thus are in contact with each other at one point.
In the embodiment, the pressing portion 212 is provided with a first groove 213, so that the lens barrel pressing member 210 and the lens barrel 200 are in line contact with each other at two points, and the contact between the two points makes the pressing of the lens barrel pressing member 210 on the lens barrel 200 more firm and less prone to shaking.
In still other embodiments, a plurality of first grooves 213 may be provided in the line where the lens barrel press 210 contacts the lens barrel 200.
In the present embodiment, the first groove 213 is conical in shape.
In other embodiments, the shape of the first groove 213 may be any other shape.
Further, with reference to fig. 2 and fig. 3, a first through hole 111 is formed on the cavity wall of the inner cavity 110, the first through hole 111 is a smooth hole, i.e., a non-threaded hole, the pressing portion 212 of the lens barrel pressing member 210 passes through the first through hole 111, the pressing portion 212 of the lens barrel pressing member 210 is also smooth and non-threaded, and meanwhile, the lens barrel pressing member 210 and the coupling seat 100 are in clearance fit. The fixing portion 211 of the lens barrel pressing member 210 is a circular plate, and the outer diameter of the circular plate is larger than the aperture of the first through hole 111, so that a mounting hole is conveniently formed in the fixing portion 211, and the lens barrel pressing member 210 is conveniently fixed on the coupling seat 100 by using the first fastening member 220; meanwhile, a gap exists between the fixing portion 211 and the outer side of the coupling seat 100, which is convenient for fixing lens barrels 200 with different outer diameters.
Further, please continue to refer to fig. 1 and fig. 5, the anti-seismic coupling device of the present invention further includes an optical fiber connector 300, wherein a second groove 120 is further disposed on the coupling seat 100, the second groove 120 is communicated with the inner cavity 110, the optical fiber connector 300 is installed in the second groove 120, and the optical fiber connector 300 is used for the optical fiber to be inserted into the coupling device.
Specifically, the optical fiber connector 300 has a larger outer diameter at an end near the bottom of the second groove 120 and a smaller outer diameter at an end away from the bottom of the second groove 120.
An optical fiber connector pressing ring 310 is disposed on one side of the optical fiber connector 300, the optical fiber connector pressing ring 310 abuts against the optical fiber connector 300 from the opening side of the second groove 120, and the optical fiber connector pressing ring 310 is fixedly connected with the coupling seat 100. That is, the optical fiber connector pressing ring 310 is located outside the optical fiber connector 300, and fixes the optical fiber connector 300 in the second groove 120, so as to prevent the optical fiber connector 300 from loosening, which may cause the optical fiber not to be coupled with the laser, and affect the normal operation of the coupling device.
Further, the inner diameter of the optical fiber connector pressing ring 310 is smaller than the minimum outer diameter of the optical fiber connector 300, and the outer diameter of the optical fiber connector pressing ring 310 is larger than the maximum outer diameter of the optical fiber connector 300, so as to ensure that the smaller end of the optical fiber connector 300 protrudes out of the optical fiber connector pressing ring 310 for installing an optical fiber into the coupling seat 100, and simultaneously fix the optical fiber connector 300 in the second groove 120.
Further, with reference to fig. 4 and fig. 5, a mounting hole is formed in the optical fiber splice pressing ring 310, a second fastening member 320 is disposed to penetrate through the mounting hole, a threaded hole is formed in the coupling seat 100 at a position corresponding to the second fastening member 320, the optical fiber splice pressing ring 310 is fixedly connected to the coupling through the second fastening member 320, and a second anti-loose member 330 is disposed between the second fastening member 320 and the optical fiber splice pressing ring 310; by adding the second anti-loose member 330 between the second fastening member 320 and the optical fiber connector pressing ring 310, the friction force between the second fastening member 320 and the optical fiber connector pressing ring 310 is increased, so that the optical fiber connector 300 is not easy to move, and the coupling device has high shock resistance.
In this embodiment, the second fastening member 320 is preferably a screw, and the second anti-loose member 330 is preferably a lock washer. The anti-loose washer is composed of two washers, the outer side of each washer is provided with a radial convex grain surface, the inner side of each washer is provided with an oblique tooth surface, and the dual effects of anti-loose and tightness can be achieved by utilizing the tension between the two washers. Therefore, the second anti-loose element 330 is added to achieve the anti-shock effect, so that the coupling device will not loose or shift parts due to shock during transportation or use, and further the coupling device will fail to work normally.
In other embodiments, the second fastening member 320 may be a bolt, and the second anti-loosening element 330 may be at least one nut.
In other embodiments, the second fastening member 320 may be a pin or the like, and the second anti-release member 330 may be a stop washer or a spring washer or the like.
Further, the number of the mounting holes on the optical fiber splice pressing ring 310 is at least two, and when there are a plurality of mounting holes, the mounting holes are uniformly distributed on the optical fiber splice pressing ring 310, that is, the number of the second fastening members 320 and the second anti-loosening members 330 is at least two.
In this embodiment, the number of the mounting holes on the optical fiber connector pressing ring 310 is preferably three, and the mounting holes are uniformly distributed on the optical fiber connector pressing ring 310, that is, the number of the second fastening members 320 and the number of the second anti-loose members 330 are three, so that the uniform fixing function can be effectively performed.
In other embodiments, the number of the installation holes on the optical fiber splice pressing ring 310 may be at least four, and the installation holes are uniformly distributed on the optical fiber splice pressing ring 310, that is, the number of the second fastening members 320 and the second anti-loosening members 330 is at least four.
Further, with continuing reference to fig. 4 and 5, at least one second through hole 112 is further disposed on the cavity wall of the inner cavity 110, each through hole is a threaded hole, and at least one third fastening member 130 is disposed in the corresponding at least one second through hole 112, and is engaged with each threaded hole and used for pressing the lens barrel 200. The third fastening member 130 is designed to be redundant, and the lens barrel 200 is pressurized and fixed again, so that the lens barrel 200 is further ensured not to generate relative displacement, and the anti-seismic performance of the coupling device is improved.
The utility model provides an antidetonation coupling device, through increasing lens barrel casting die 210 as the middleware, lens barrel casting die 210's fixed part 211 is fixed on coupling seat 100, lens barrel casting die 210's support splenium 212 supports the pressure to lens barrel 200, make lens barrel 200 difficult not hard up, the third fastener 130 of locking piece and redundant design has been increased simultaneously, multiple shock-resistant effect has been played, coupling device's anti-seismic performance has been improved, the later stage that realizes coupling device need not debugging or low efficiency debugging, the device is sold the back and maintenance cost etc. is reduced.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims (10)

1. An anti-seismic coupling device, comprising:
the coupling seat is internally provided with an inner cavity;
a lens barrel mounted within the inner cavity;
the lens barrel pressing part is provided with a fixing part and a pressing part which are connected, the fixing part is fixedly connected with the coupling seat, and the pressing part penetrates through the cavity wall of the inner cavity to press the lens barrel.
2. An anti-seismic coupling device according to claim 1, wherein the fixing portion is fixedly connected to the coupling seat by a first fastening member, and a first anti-loosening member is provided between the first fastening member and the fixing portion.
3. An anti-seismic coupling device according to claim 2, wherein the number of first fastening members and first anti-release members is at least one each.
4. An earthquake-proof coupling device according to claim 1, wherein a first groove is provided on one end of the pressing portion for pressing the lens barrel to increase a contact point of the pressing portion and the lens barrel.
5. The anti-seismic coupling device according to claim 1, wherein a first through hole is formed in a wall of the inner cavity, the pressing portion penetrates through the first through hole, the fixing portion is a circular plate, and the diameter of the circular plate is larger than the diameter of the first through hole.
6. The anti-seismic coupling device according to claim 1, further comprising an optical fiber connector, wherein a second groove is further formed in the coupling seat, the second groove is communicated with the inner cavity, and the optical fiber connector is arranged in the second groove;
and an optical fiber joint pressing ring is arranged on one side of the optical fiber joint, the optical fiber joint pressing ring is abutted against the optical fiber joint from the opening side of the second groove, and the optical fiber joint pressing ring is fixedly connected with the coupling seat.
7. An anti-seismic coupling device according to claim 6, wherein the inner diameter of the optical fibre splice clamping ring is smaller than the smallest outer diameter of the optical fibre splice, and the outer diameter of the optical fibre splice clamping ring is larger than the largest outer diameter of the optical fibre splice.
8. An anti-seismic coupling device according to claim 7, wherein the optical fiber splice clamping ring is fixedly connected with the coupling seat through a second fastening member, and a second anti-loosening member is arranged between the second fastening member and the optical fiber splice clamping ring.
9. An anti-seismic coupling device according to claim 8, wherein the number of second fastening members and second anti-loosening elements is at least two each.
10. An anti-seismic coupling device according to claim 1, wherein said coupling socket is further provided with at least one third fastening member for pressing against said lens barrel.
CN202023349183.8U 2020-12-31 2020-12-31 Anti-seismic coupling device Active CN213690025U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023349183.8U CN213690025U (en) 2020-12-31 2020-12-31 Anti-seismic coupling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023349183.8U CN213690025U (en) 2020-12-31 2020-12-31 Anti-seismic coupling device

Publications (1)

Publication Number Publication Date
CN213690025U true CN213690025U (en) 2021-07-13

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Application Number Title Priority Date Filing Date
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Country Link
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