CN212905584U

CN212905584U - SFP optical module structure

Info

Publication number: CN212905584U
Application number: CN202021379232.XU
Authority: CN
Inventors: 李海; 杨永军; 莫凡; 刘辉; 吴英武
Original assignee: Dongguan Yizhao Electronic Co ltd
Current assignee: Dongguan Yizhao Electronic Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-04-06
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a SFP optical module structure, the on-line screen storage device comprises a base, a spring, a rotating shaft, pull ring and deblocking device, the base up end sets up special-shaped groove, special-shaped inslot still is provided with U-shaped groove and spring groove, the deblocking device lower extreme is provided with the spring hold-down portion, pull ring activity joint is in the U-shaped inslot, the spring sets up in the spring inslot, all set up the through-hole on base and the deblocking device, the pivot sets up riveting unable adjustment base and deblocking device in the through-hole, the mouth style of calligraphy metal pull ring of pull ring formula die-casting as an organic whole, including last pull rod, lower pull rod and set up in the dust guard of left and right sides terminal surface, the center department of going up. The utility model adopts the zinc alloy pull ring shaped like the Chinese character 'kou' which is integrally die-cast, reduces the technical problems in the production process and the use process caused by adopting plastic materials, and can ensure the dimensional stability of the pull ring; be provided with dustproof baffle on the pull ring, can strengthen the sealing performance of structure.

Description

SFP optical module structure

Technical Field

The utility model relates to an optical module makes technical field, concretely relates to SFP optical module structure.

Background

As a core device of an optical fiber access network, hot-plug optical modules such as an SFP optical module and an XFP optical module can be connected or disconnected with equipment under the condition of not cutting off a power supply, and network management personnel can upgrade and expand the system without closing the network, so that no influence is caused on online users; meanwhile, due to the hot-plug property of the optical modules, network management personnel can plan the receiving and sending cost, the link distance and all network topological structures in general according to the network upgrading requirement without replacing all system boards. In order to better exert the effect of the hot plug performance of the optical module, the unlocking structure for realizing the hot plug of the optical module needs to be continuously improved and optimized.

In the original unlocking structure of the SFP optical module, a semi-closed steel wire ring and a plastic sleeve form a pull ring to start an unlocking process, so that the obvious defect of unsmooth unlocking exists, and the problem of difficult resetting exists because the pull ring needs to be reset by using an elastic sheet of a sheet metal outer cover as resilience force; in addition, the steel wire ring and the plastic sleeve which form the pull ring in the structure are easy to damage after being repeatedly used, so that unlocking can be influenced.

To above-mentioned problem, my department has applied for chinese utility model patent with patent number 201921934571.7, foretell patent discloses an SFP optical module structure, the on-line screen storage device comprises a base, a spring, a rotating shaft, pull ring and unlocker, the rear end of base up end is provided with heterotypic draw-in groove, still be provided with U-shaped groove and spring groove in the heterotypic draw-in groove, the unlocker lower extreme be provided with spring assorted spring hold-down portion, pull ring activity joint in the U-shaped inslot, the spring sets up in the spring groove, the unlocker is impressed in the heterotypic draw-in groove and fixed with the base joint, its lower terminal surface is contradicted on the up end of pull ring, all be provided with first through-hole on base and the unlocker, the pivot sets up riveting.

The SFP optical module structural member can movably unlock the unlocking device through the pull ring compression spring, has the characteristics of high compatibility and few accessories, but still has certain defects, the pull hook in the SFP optical module structural member and the rubber coating part in the pull ring are made of plastic, the plastic part has more bad defects in the production process and the use process, and in addition, a gap exists between the pull ring and the base of the SFP optical module structural member to influence the sealing performance of a product.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an SFP optical module structure, which adopts an integral die-cast square zinc alloy pull ring, reduces the problems of easy film sticking, glue overflow and the like in the production process and the technical problem of easy aging in the use process caused by adopting plastic materials, and can ensure the dimensional stability of the pull ring; the both sides of pull ring are provided with the dustproof baffle who matches with the base size for the pull ring can cover the clearance that exists between main part and the pull ring, thereby strengthens the sealing performance of structure.

In order to achieve the above object, the utility model adopts the following technical scheme:

an SFP optical module structure member comprises a base, a spring, a rotating shaft, a pull ring and an unlocking device, wherein the rear end of the upper end surface of the base is provided with a special-shaped groove matched with the unlocking device, a U-shaped groove matched with the pull ring and a spring groove used for placing the spring are also arranged in the special-shaped groove, the lower end of the unlocking device is provided with a spring pressing part matched with the spring, the pull ring is movably clamped in the U-shaped groove, the spring is arranged in the spring groove, the unlocking device is pressed into the special-shaped groove and is clamped and fixed with the base, the lower end surface of the unlocking device is abutted against the upper end surface of the pull ring, through holes with the same size are arranged on the base and the unlocking device, the rotating shaft is arranged in the through holes and is riveted and fixed with the base and the unlocking device, the pull ring is an integrated die-cast metal pull ring in a square shape and comprises an upper pull rod, and a clamping groove matched with the draw hook is arranged in the U-shaped groove. The dustproof baffle covers the outer sides of the base and the pull ring, so that the sealing performance of the structural part is enhanced.

As a further improvement, the utility model also comprises a dustproof plug, the front end of the base is provided with the light opening that is used for the dustproof plug of holding, and the base is fixed with the mutual joint of dustproof plug.

As a further improvement, the dust plug is an integrated into one piece structure, and it is including setting up in the base of its rear end and setting up the bellying in base portion, and the front end of bellying all is provided with the recessed trench of its inside direction earlier on.

As a further improvement, the upper side end face of the lower pull rod is provided with a light opening clamping groove which is symmetrical in two sides, and the light opening clamping groove is matched with the dustproof plug base. The connection stability between the dustproof plug and the base is improved through the arranged light port clamping groove.

As a further improvement, the lower side end face of the lower pull rod is provided with symmetrical pull grooves, and the outer end face of the dustproof baffle is also provided with pull grooves easy to stir.

As a further improvement of the utility model, the unlocking device is the profile shapes, and it includes the preceding tip of integrated into one piece structure, set up in the well tip that preceding tip rear end upwards extended and set up the back tip that the tip rear end extends to both sides, and the front end of preceding tip is provided with a bellying, is convex transition between preceding tip and the well tip, and the lower terminal surface of back tip is provided with an inside first recess, the up end phase-match of first recess and last pull rod.

As a further improvement, the through-hole is arranged at the middle end part of the unlocking device, the rotating shaft passes through the through-hole on the base and the unlocking device, and the base and the unlocking device are fixed through the rotating shaft riveting.

As a further improvement, the utility model also comprises an upper cover, be provided with the cavity of holding PCB board and built-in optical device in the base, the upper cover set up in the outside of cavity.

As a further improvement, the corresponding positions of the base and the upper cover are provided with screw holes, and the upper cover and the base are mutually fixed through screws.

The utility model discloses the equipment order of SFP optical module structure does: the pull ring is arranged in a U-shaped groove of the base, the spring is arranged in a spring groove, the unlocking device is pressed in a special-shaped groove of the base, and the rotating shaft is inserted to rivet and fix the base and the unlocking device; a PCB and a built-in optical device are arranged in the base, the upper cover is closed and screws are locked, and finally the dustproof plug is inserted into the optical port to prevent the optical port from being polluted and damaged to cause the optical link to be blocked; when the structural part needs to be unlocked, the pull ring is pulled to abut against the lever at 75 degrees and compress the spring downwards, and the unlocking device rotates, so that the optical module structural part is movably unlocked.

The utility model has the advantages that:

1. the utility model provides an SFP optical module structure, which adopts an integral die-cast square zinc alloy pull ring, when the pull ring conflict lever is stirred at a certain angle to compress the spring downwards, the unlocking device can be unlocked movably; the metal pull ring through the integral type replaces present former powder metallurgy and plastic material, reduces because of adopting the easy mucosa of plastic material result in the production process, the easy ageing technical problem in gluing scheduling problem and the use, can guarantee the dimensional stability of pull ring, and the integral type die casting simple process, with lower costs and can guarantee after electroplating that the color and luster keeps unified with other parts simultaneously.

2. The utility model provides a SFP optical module structure, owing to adopted the zinc alloy pull ring of integral type die-casting, the pull ring can distinguish the product through panchromatic or half colour of difference, can reduce half colour classification to avoid being difficult for distinguishing and the management and control because of the too many products that lead to of colour that use.

3. The utility model provides a SFP optical module structure, the both sides of pull ring are provided with the dustproof baffle who matches with the base size for the pull ring can cover the clearance that exists between main part and the pull ring, thereby strengthens the sealing performance of structure.

To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall appearance structure of the SFP optical module structure of the present invention;

FIG. 2 is a schematic view of a connection structure of the pull ring and the base in FIG. 1;

fig. 3 is an exploded view of the SFP optical module structure of the present invention;

fig. 4 is a schematic structural diagram of an unlocking device in the SFP optical module structural member of the present invention;

in the drawings: 1. a base; 11. a light port; 2. a spring; 3. a pull ring; 31. an upper pull rod; 311. pulling a hook; 32. a lower pull rod; 321. a light port card slot; 33. a dust-proof baffle plate; 4. an unlocking device; 41. a front end portion; 411. a protrusion portion; 42. a middle end portion; 43. a rear end portion; 5. a special-shaped groove; 6. a through hole; 7. groove drawing; 8. an upper cover; 9. a screw hole; 10. a rotating shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to the drawings, the SFP optical module structural member provided by this embodiment includes a base 1, a spring 2, a rotating shaft 10, a pull ring 3 and an unlocking device 4, a special-shaped groove 5 matched with the unlocking device 4 is provided at the rear end of the upper end surface of the base 1, a U-shaped groove matched with the pull ring 3 and a spring groove for placing the spring 2 are further provided in the special-shaped groove 5, a spring pressing portion matched with the spring 2 is provided at the lower end of the unlocking device 4, the pull ring 3 is movably clamped in the U-shaped groove, the spring 2 is disposed in the spring groove, the unlocking device 4 is pressed into the special-shaped groove 5 and clamped and fixed with the base 1, the lower end surface of the unlocking device is abutted against the upper end surface of the pull ring 3, through holes 6 with the same size are provided on the base 1 and the unlocking device 4, the rotating shaft 10 is disposed in the through holes 6 to fix the base 1 and the unlocking device 4, and the pull ring, Lower link 32 and set up in the dust guard 33 of left and right sides terminal surface, the center department of going up link 31 is provided with the drag hook 311 of backward extension, the U-shaped inslot be provided with drag hook 311 assorted joint groove. The dustproof baffle 33 covers the outer sides of the base and the pull ring, so that the sealing performance of the structural part is enhanced.

The SFP optical module structural member in this embodiment further includes a dust plug, the front end of the base 1 is provided with an optical port 11 for accommodating the dust plug, and the base 1 and the dust plug are clamped and fixed to each other.

In the SFP optical module structural member in this embodiment, the dust plug is an integrally formed structure, and includes a base disposed at a rear end thereof and a protruding portion disposed on the base portion, and a slot recessed toward an inner direction thereof is disposed at a front end of each protruding portion.

In the SFP optical module structural member in this embodiment, the upper end surface of the lower pull rod 32 is provided with optical port slots 321 with two symmetrical sides, and the optical port slots 321 are matched with the dust plug base. The connection stability between the dust plug and the base 1 is increased by the arranged light port clamping groove 321.

In the SFP optical module structural member in this embodiment, the lower end surface of the lower pull rod 32 is provided with pull grooves 7 which are symmetrical in both sides, and the outer end surface of the dust-proof baffle 33 is also provided with pull grooves 7 which are easy to shift.

In the SFP optical module structural member in this embodiment, the unlocking device 4 is a special-shaped piece, and includes a front end portion 41, a middle end portion 42 disposed at the rear end of the front end portion 41 and extending upward, and a rear end portion 43 disposed at the rear end of the middle end portion 42 and extending to both sides, where the front end of the front end portion 41 is provided with a protruding portion 411, the front end portion 41 and the middle end portion 42 are in arc transition, the lower end surface of the rear end portion 43 is provided with an inward first groove, and the first groove is matched with the upper end surface of the upper pull rod 31.

In the SFP optical module structural member in this embodiment, the through hole 6 is disposed at the middle end 42 of the unlocking device 4, the rotating shaft 10 penetrates through the through holes 6 on the base 1 and the unlocking device 4, and the base 1 and the unlocking device 4 are riveted and fixed by the rotating shaft 10.

The SFP optical module structure in this embodiment further includes an upper cover 8, a cavity for accommodating the PCB and the built-in optical device is provided in the base 1, and the upper cover 8 is disposed outside the cavity.

In the SFP optical module structural member in this embodiment, screw holes 9 are provided at corresponding positions of the base 1 and the upper cover 8, and the upper cover 8 and the base 1 are fixed to each other by screws 9.

The assembling sequence of the SFP optical module structural member in this embodiment is as follows: the pull ring 3 is arranged in a U-shaped groove of the base 1, the spring 2 is arranged in a spring groove, the unlocking device 4 is pressed in a special-shaped groove 5 of the base 1, and the rotating shaft 10 is inserted to rivet and fix the base 1 and the unlocking device 4; a PCB and a built-in optical device are arranged in the base 1, the upper cover 8 is closed and screws are locked, and finally the dustproof plug is inserted into the optical port 11 to prevent the optical port 11 from being polluted and damaged to cause the optical link to be blocked; when the structural part needs to be unlocked, the pull ring 3 is pulled to abut against the lever at 75 degrees and compress the spring downwards, and the unlocking device 4 rotates, so that the optical module structural part is movably unlocked.

The design key points of the SFP optical module structural member in this embodiment are as follows:

1. in the SFP optical module structural member in this embodiment, an integrally die-cast square zinc alloy pull ring is adopted, and when the pull ring is toggled at a certain angle to abut against a lever to compress a spring downwards, an unlocking device can be movably unlocked; the metal pull ring through the integral type replaces present former powder metallurgy and plastic material, reduces because of adopting the easy ageing technical problem in production process mucosa, many glues scheduling problem and the use that the plastic material leads to, can guarantee the dimensional stability of pull ring, and the integral type die casting simple process, with lower costs and can guarantee after electroplating that the color and luster remains unified with other parts simultaneously.

2. The SFP optical module structure in this embodiment, owing to adopted the zinc alloy pull ring of integral type die-casting, the pull ring can distinguish the product through panchromatic or half-colour of difference, can reduce half colour classification to avoid the product difficult differentiation and the management and control that lead to because of the colour that uses is too many.

3. In the SFP optical module structural member in this embodiment, the dustproof baffles matched with the base in size are disposed on both sides of the pull ring, so that the pull ring can cover a gap existing between the main body and the pull ring, thereby enhancing the sealing performance of the structural member.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The invention is not limited to the embodiments described herein, but is capable of other embodiments with obvious modifications and variations, including those shown in the drawings and described herein. Therefore, the equivalent changes made according to the shape, structure and principle of the present invention should be covered in the protection scope of the present invention.

Claims

1. An SFP optical module structure member comprises a base, a spring, a rotating shaft, a pull ring and an unlocking device, wherein the rear end of the upper end surface of the base is provided with a special-shaped groove matched with the unlocking device, a U-shaped groove matched with the pull ring and a spring groove used for placing the spring are also arranged in the special-shaped groove, the lower end of the unlocking device is provided with a spring pressing part matched with the spring, the pull ring is movably clamped in the U-shaped groove, the spring is arranged in the spring groove, the unlocking device is pressed into the special-shaped groove and is clamped and fixed with the base, the lower end surface of the unlocking device is abutted against the upper end surface of the pull ring, the base and the unlocking device are respectively provided with through holes with the same size, the rotating shaft is arranged in the through holes and is riveted and fixed with the base and the unlocking device, the SFP optical module structure member is characterized in that the pull ring is integrally die-cast, the pull ring comprises an upper, and a clamping groove matched with the draw hook is arranged in the U-shaped groove.

2. The SFP optical module structure as claimed in claim 1, further comprising a dust plug, wherein the front end of the base is provided with an optical port for accommodating the dust plug, and the base and the dust plug are fixed in a mutually clamped manner.

3. The SFP optical module structure as claimed in claim 2, wherein the dust plug is an integrally formed structure, and includes a base disposed at a rear end thereof and a protrusion disposed on the base, and the front end of the protrusion is provided with a slot recessed toward an inner direction thereof.

4. The SFP optical module structure member as claimed in claim 3, wherein the upper end surface of the lower pull rod is provided with two symmetrical optical port slots, and the optical port slots are matched with the dust plug base.

5. The SFP optical module structural member as claimed in claim 1, wherein the lower end surface of the lower tie bar is provided with symmetrical pull grooves, and the outer end surface of the dust-proof baffle is also provided with pull grooves which are easy to be shifted.

6. An SFP optical module structure as claimed in claim 1, wherein the said unlocking device is a profile, which comprises a front end of an integral structure, a middle end disposed at the rear end of the front end and extending upwards, and a rear end disposed at the rear end of the middle end and extending towards both sides, the front end of the front end is provided with a protrusion, the front end and the middle end are in circular arc transition, the lower end face of the rear end is provided with an inward first groove, and the first groove is matched with the upper end face of the upper tie rod.

7. The SFP optical module structure member as claimed in claim 6, wherein the through hole is disposed at the middle end of the unlocking device, the rotating shaft passes through the through holes on the base and the unlocking device, and the base and the unlocking device are fixed by riveting the rotating shaft.

8. The SFP optical module structure as claimed in claim 1, further comprising an upper cover, wherein a cavity for accommodating the PCB and the built-in optical device is disposed in the base, and the upper cover is disposed outside the cavity.

9. The SFP optical module structure as claimed in claim 8, wherein the base and the upper cover are provided with screw holes at corresponding positions, and the upper cover and the base are fixed to each other by screws.