CN218956853U

CN218956853U - Pluggable optical cable structure of active optical cable capable of preventing misplug

Info

Publication number: CN218956853U
Application number: CN202223319094.8U
Authority: CN
Inventors: 杜晓鹏; 杜程
Original assignee: Wuxi Pengtong Technology Co ltd
Current assignee: Wuxi Pengtong Technology Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-05-02
Anticipated expiration: 2032-12-08

Abstract

The utility model relates to a pluggable optical cable structure of an active optical cable capable of preventing misplug. The utility model comprises an upper cover, wherein the outer surface of the upper cover is provided with a notch, an elastic unlocking pressing handle is connected in the notch, the elastic unlocking pressing handle comprises an elastic pressing plate, and the elastic pressing plate is provided with a pressing part and a clamping point; the lower cover is connected with the upper cover; a cable connected between the upper cover and the lower cover; when the pluggable optical cable structure is spliced with the photoelectric module shell, the clamping point is matched and locked with the photoelectric module shell, and the upper end of the pressing part is sunk in the notch. The utility model has the characteristics of good tensile and torsion resistance and high consistency of repeated plugging power of the cable, and meanwhile, the structure can effectively avoid the influence of misoperation of constructors on the connection reliability of the cable and the photoelectric module during site construction by arranging the elastic unlocking pressing handle for unlocking, and the structure maintains the pluggable characteristic of the optical cable during equipment maintenance.

Description

Pluggable optical cable structure of active optical cable capable of preventing misplug

Technical Field

The utility model relates to the technical field of optical cables, in particular to a pluggable optical cable structure of an active optical cable capable of preventing misplug.

Background

As digital information technology is developed, there is an increasing demand for digital information, and thus, there is an increasing demand for data transmission speed. AOCs (active optical cables) are widely used in data centers as the primary connection means for high-speed data transmission.

In the prior art, the connection between an AOC optical cable and a module is generally divided into two connection modes: the structure leads to inflexible AOC production, different transmission distance requirements require different cables to be customized, and different customers with different lengths of the optical cables have different requirements, so that the production and the stock are very difficult; another is that the cable and the module adopt the connector of specific design, and cable and module assembly back cable can not plug, when needs change module or optical cable, must disassemble the module and just accomplish this operation, and after the optical cable wiring was accomplished, once the maintenance was very inconvenient.

As COB technology matures, active optical cables have basically employed COB technology. The technology makes the plug connection of the optical cable and the photoelectric module a feasible scheme. When the cable is twisted, the existing pluggable optical cable structure is easy to cause the problem that the optical cable adapter drops; meanwhile, the unlocking structure is exposed, and in site construction, operators can operate the unlocking structure by mistake easily, so that the risk of disengaging the cable from the module is caused.

Disclosure of Invention

Therefore, the pluggable optical cable structure of the active optical cable capable of preventing the misplug is provided by the utility model, has the characteristics of good tensile property and torsion resistance and high consistency of repeated plugging power of the cable, and meanwhile, the unlocking mechanism of the structure can effectively avoid the influence of misoperation of constructors on the connection reliability of the cable and the photoelectric module during on-site construction, and the pluggable characteristics of the optical cable during equipment maintenance are reserved.

In order to solve the above technical problems, the present utility model provides a pluggable optical cable structure of an active optical cable capable of preventing erroneous plugging, which is used for being plugged in cooperation with a housing of an optoelectronic module, the pluggable optical cable structure includes:

the upper cover is provided with a notch on the outer surface, an elastic unlocking pressing handle is connected in the notch, the elastic unlocking pressing handle comprises an elastic pressing plate, the elastic pressing plate is provided with a pressing part and a clamping point, the pressing part is arranged on one side of the clamping point, and a transitional arc surface is formed between the pressing part and the outer surface of the elastic pressing plate;

the lower cover is connected with the upper cover;

a cable connected between the upper cover and the lower cover;

when the pluggable optical cable structure is spliced with the photoelectric module shell, the clamping point is matched and locked with the photoelectric module shell, the upper end of the pressing part is sunk in the notch, and a gap is reserved between the upper cover and the photoelectric module shell on one side of the elastic pressing plate.

In one embodiment of the present utility model, the outer surface of the elastic pressing plate is located on the same plane as the outer surface of the notch.

In one embodiment of the present utility model, the clip point is in a triangular bump structure, which extends outwards along the outer surface of the elastic pressing plate, and the height from one end of the triangle to one end of the triangle edge of the triangular bump structure on the outer surface of the elastic pressing plate increases gradually, and forms a triangular sliding surface, wherein one end of the triangle edge is close to the pressing part.

In one embodiment of the present utility model, the elastic pressing plate has a rectangular structure, one end of the elastic pressing plate is connected to the inner wall of the slot, and the outer surface of the other end of the elastic pressing plate is located below the outer surface of the slot and forms the pressing portion.

In one embodiment of the utility model, the upper cover and the lower cover are both symmetrical structures, the inner side surface of the lower cover is extended to form a mounting boss, two first mounting grooves are symmetrically arranged on the mounting boss along the symmetrical cross section of the lower cover, a third mounting groove is arranged on the inner side surface of the lower cover at one side of the mounting boss, and the upper cover is respectively provided with a second mounting groove matched with the first mounting groove and a fourth mounting groove matched with the third mounting groove.

In one embodiment of the utility model, both the transverse ends and the longitudinal ends of the upper cover are provided with buckles, and the outer side end of the lower cover is provided with a clamping groove matched with the buckles.

In one embodiment of the present utility model, two second mounting grooves are symmetrically arranged along the symmetrical cross section of the upper cover, and the elastic unlocking pressing handle is arranged between the two second mounting grooves.

In one embodiment of the utility model, the surface of the mounting boss is extended with a positioning column, and the upper cover is provided with a positioning hole matched with the positioning column.

In one embodiment of the utility model, an anti-bending protective sleeve is sleeved outside the cable, one end of the cable is provided with a tensile positioning metal sleeve, the tensile positioning metal sleeve is connected between a third mounting groove and a fourth mounting groove, two tight sleeve optical fibers extend out of the tensile positioning metal sleeve, one end of each tight sleeve optical fiber is connected with a ceramic ferrule positioning piece, the ceramic ferrule positioning piece is connected with a ceramic ferrule, a spring is sleeved on the ceramic ferrule positioning piece, the ceramic ferrule positioning piece is connected between the first mounting groove and the second mounting groove through the spring, and the ceramic ferrule extends out of the side end face of the upper cover after being matched with the lower cover.

In one embodiment of the present utility model, the third mounting groove has an arc structure, an arc clamping groove is arranged at the bottom of the third mounting groove, and the first mounting groove is provided with two arc bracket plates.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

the pluggable optical cable structure of the active optical cable capable of preventing the false plugging has the characteristics of good tensile property and torsion resistance and high consistency of repeated plugging power of the cable, meanwhile, the structure can effectively avoid the influence of the false operation of constructors on the connection reliability of the cable and the photoelectric module during on-site construction by arranging the elastic unlocking pressing handle for unlocking, and the pluggable characteristic of the optical cable during equipment maintenance is reserved.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.

Fig. 1 is a schematic diagram of a single-ended structure of a pluggable optical cable according to the present utility model.

Fig. 2 is a schematic diagram of the structure of the two ends of the pluggable optical cable according to the present utility model.

Fig. 3 is a schematic view of the outer end of the upper cover of the present utility model.

Fig. 4 is a schematic view of the inner end of the upper cover of the present utility model.

Fig. 5 is a schematic view of the outer end of the lower cover of the present utility model.

Fig. 6 is a schematic view of the inner end of the lower cover of the present utility model.

Fig. 7 is a schematic view of the housing structure of the photovoltaic module of this utility model.

Fig. 8 is a schematic diagram of the pluggable optical cable structure of the present utility model after being mated with the optoelectronic module housing.

Fig. 9 is a cross-sectional view A-A of fig. 8.

Fig. 10 is a schematic diagram of the mating structure of the housing of the optoelectronic module and the light engine assembly of the present utility model.

Fig. 11 is a B-B cross-sectional view of fig. 10.

Fig. 12 is a schematic view of the light engine assembly structure of the present utility model.

Fig. 13 is a schematic view of the cable structure of the present utility model.

Fig. 14 is a schematic view of the cable of the present utility model mated with the lower cover.

Description of the specification reference numerals: 100. a photovoltaic module housing; 110. a locking groove; 200. a light engine assembly; 1. an upper cover; 11. a notch; 111. a slot; 12. an elastic unlocking pressing handle; 121. an elastic pressing plate; 122. a pressing part; 123. a stuck point; 13. a second mounting groove; 14. a fourth mounting groove; 15. a buckle; 16. positioning holes; 2. a lower cover; 21. a mounting boss; 211. positioning columns; 22. a first mounting groove; 23. a third mounting groove; 24. a clamping groove; 25. a protruding strip; 3. a cable; 31. bending-proof protective sleeve; 32. a tensile positioning metal sleeve; 33. tightly sleeving an optical fiber; 34. a ceramic ferrule positioning member; 35. a ceramic ferrule; 36. and (3) a spring.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.

Referring to fig. 1 to 14, the pluggable optical cable structure of the active optical cable capable of preventing the erroneous plugging of the present utility model is used for being plugged in cooperation with the photoelectric module housing 100, and the characteristics of two ends of the cable of the present utility model are consistent, so that the present utility model is only described as the single-ended pluggable optical cable structure characteristics; the pluggable optical cable structure comprises:

the upper cover 1, the surface of the upper cover 1 is provided with a notch 11, an elastic unlocking pressing handle 12 is connected in the notch 11, the elastic unlocking pressing handle 12 comprises an elastic pressing plate 121, the elastic pressing plate 121 is provided with a pressing part 122 and a clamping point 123, the pressing part 122 is arranged on one side of the clamping point 123, and a transitional arc surface is formed between the pressing part 122 and the outer surface of the elastic pressing plate 121;

a lower cover 2, wherein the lower cover 2 is connected with the upper cover 1;

a cable 3, wherein the cable 3 is connected between the upper cover 1 and the lower cover 2;

when the pluggable optical cable structure is plugged into the optoelectronic module housing 100, the clamping point 123 is locked with the optoelectronic module housing 100, and the upper end of the pressing portion 122 is sunk into the notch 11.

Through the arrangement, after the pluggable optical cable structure is spliced with the photoelectric module shell 100, the upper end of the pressing part 122 is sunk in the notch 11, the pressing part 122 cannot be touched without tools, and the optical cable structure cannot be separated from the photoelectric module shell 100, so that the problems that an optical cable and a photoelectric module are separated or the optical cable and the photoelectric module are in poor contact due to misoperation in the construction process are avoided.

When the pluggable optical cable structure is plugged into the optoelectronic module housing 100, a gap is reserved between the upper cover 1 and the optoelectronic module housing 100 at one side of the elastic pressing plate 121, when the system needs maintenance, an external tool (such as tweezers, screwdrivers, etc.) stretches into the reserved gap and contacts and presses down the pressing part 122, and the pressing part 122 elastically sinks along with the elastic pressing plate 121 so as to realize separation of the cable 3 structure from the optoelectronic module, thus realizing pluggable property of the optical cable and the optoelectronic module; when the external force is removed, the pressing portion 122 returns to the normal position by the elastic resilience of the elastic pressing plate 121.

Specifically, as shown in fig. 3 to 6, the outer surface of the elastic pressing plate 121 and the outer surface of the notch 11 are located on the same plane, and the elastic pressing plate 121 may be integrally formed with the outer surface of the upper cover 1.

Specifically, the snap points 123 have a triangular bump structure, which extends outward along the outer surface of the elastic pressing plate 121. In this embodiment, as shown in fig. 9, the inner wall of the housing 100 of the optoelectronic module has a locking slot 110 that cooperates with a locking point 123, and when the pluggable optical cable structure is inserted into the housing 100 of the optoelectronic module, the locking point 123 enters the locking slot 110 and can be locked by cooperation with the locking slot 110 by pressing down the elastic pressing plate 121. In this embodiment, the height from the triangular end of the triangular bump structure to the triangular edge end of the triangular bump structure is gradually increased on the outer surface of the elastic pressing plate 121, and forms a triangular sliding surface, wherein the triangular edge end is close to the pressing portion 122, so as to facilitate the sliding with the end of the locking slot 110.

Specifically, as shown in fig. 3, the elastic pressing plate 121 may have a rectangular structure, one end of the elastic pressing plate 121 is connected to the inner wall of the slot 11, and the outer surface of the other end of the elastic pressing plate 121 is positioned below the outer surface of the slot 11 and forms the pressing portion 122.

Specifically, as shown in fig. 3, a slit 111 is left between the elastic pressing plate 121 and the outer circumference of the notch 11, thereby facilitating the pressing down of the elastic pressing plate 121 and ensuring the elastic action of the elastic pressing plate 121.

Specifically, as shown in fig. 3-6, the upper cover 1 and the lower cover 2 are both symmetrical structures, the inner side surface of the lower cover 2 extends to form a mounting boss 21, two first mounting grooves 22 are symmetrically formed on the mounting boss 21 along the symmetrical cross section of the lower cover 2, a third mounting groove 23 is formed on the inner side surface of the lower cover 2 at one side of the mounting boss 21, and the upper cover 1 is respectively provided with a second mounting groove 13 matched with the first mounting groove 22 and a fourth mounting groove 14 matched with the third mounting groove 23.

Specifically, as shown in fig. 3-6, both the transverse ends and the longitudinal ends of the upper cover 1 are provided with buckles 15, and the outer side end of the lower cover 2 is provided with a clamping groove 24 matched with the buckles 15. Through the arrangement, the tensile and torsional performances of the connector after the cable is assembled are improved.

Specifically, as shown in fig. 5, the outer surface of the lower cover 2 is provided with a protruding strip 25 for guiding and preventing foolproof, so that the pluggable optical cable structure and the photoelectric module housing 100 are ensured to be plugged and unplugged accurately, and the stability of the connection performance is ensured.

Specifically, as shown in fig. 4, two second mounting grooves 13 are symmetrically arranged along the symmetrical cross section of the upper cover 1, and the elastic unlocking pressing handle 12 is arranged between the two second mounting grooves 13.

Specifically, as shown in fig. 3-6, the surface of the mounting boss 21 extends to form a positioning column 211, and the upper cover 1 is provided with a positioning hole 16 matched with the positioning column 211, so as to facilitate positioning when the upper cover 1 is clamped with the lower cover 2.

In this embodiment, as shown in fig. 13-14, the cable 3 is sleeved with a bending-preventing protective sleeve 31, one end of the cable 3 is provided with a tensile positioning metal sleeve 32, the tensile positioning metal sleeve 32 is connected between the third mounting groove 23 and the fourth mounting groove 14, two tight-sleeved optical fibers 33 extend out of the tensile positioning metal sleeve 32, one end of each tight-sleeved optical fiber 33 is connected with a ceramic ferrule positioning member 34, the ceramic ferrule positioning member 34 is connected with a ceramic ferrule 35, a spring 36 is sleeved on the ceramic ferrule positioning member 34, the ceramic ferrule positioning member 34 is connected between the first mounting groove 22 and the second mounting groove 13 through the spring 36, and the ceramic ferrule 35 extends out of a wire outlet hole of the side end face of the upper cover 1 and the lower cover 2 after being matched.

In this embodiment, the third mounting groove 23 is of an arc structure, the bottom of the third mounting groove is provided with an arc clamping groove, the third mounting groove is conveniently matched with the tensile positioning metal sleeve 32 in a clamping way, the first mounting groove 22 is provided with two arc bracket plates, the cable is conveniently mounted, and the two ends of the spring 36 are limited and mounted through the arc bracket plates.

When the cable 3 is used, the cable 3 is inserted into the photoelectric module shell 100 and is matched with the optical engine assembly 200 in the photoelectric module shell 100 in a mounting way, so that the end face of the ceramic ferrule 35 of the cable 3 is matched and pressed with the optical engine assembly 200, the working state requirement of an active cable can be met, when the photoelectric module needs to be maintained, the pressing part 122 is pressed down through a gap between the reserved photoelectric module and the elastic pressing plate 121 by means of forceps, a screwdriver and other tools, and the pressing part 122 is made to sink along with the elastic pressing plate 121 in an elastic way, so that the cable 3 is separated from the photoelectric module, and the pluggable property of the optical cable and the photoelectric module is realized; when the external force is removed, the pressing portion 122 returns to the normal position by the elastic resilience of the elastic pressing plate 121. The elastic unlocking pressing handle 12 for unlocking can effectively avoid the influence on the connection reliability of the cable and the photoelectric module due to misoperation of constructors during site construction, and the structure reserves the pluggable characteristic of the optical cable during equipment maintenance.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model, and all such modifications and equivalents are intended to be encompassed in the scope of the claims of the present utility model.

Claims

1. A pluggable optical cable structure of an active optical cable capable of preventing erroneous plugging, for being plugged in cooperation with an optoelectronic module housing (100), the pluggable optical cable structure comprising:

the upper cover (1), the surface of upper cover (1) is equipped with notch (11), be connected with elasticity unblock in notch (11) and press handle (12), elasticity unblock presses handle (12) to include elasticity press plate (121), elasticity press plate (121) are equipped with pressing part (122) and clamping point (123), pressing part (122) are located one side of clamping point (123), pressing part (122) with form the arc surface of transition between the surface of elasticity press plate (121);

the lower cover (2) is connected with the upper cover (1);

a cable (3), the cable (3) being connected between the upper cover (1) and the lower cover (2);

when the pluggable optical cable structure is spliced with the photoelectric module shell (100), the clamping point (123) is matched and locked with the photoelectric module shell (100), the upper end of the pressing part (122) is sunk in the notch (11), and a gap is reserved between the upper cover (1) and the photoelectric module shell (100) at one side of the elastic pressing plate (121).

2. The pluggable optical cable structure of an active optical cable capable of preventing erroneous plugging according to claim 1, wherein the outer surface of the elastic pressing plate (121) is located on the same plane as the outer surface of the notch (11).

3. The pluggable optical cable structure of an active optical cable capable of preventing erroneous plugging according to claim 1, wherein the snap-in point (123) is a triangular bump structure extending outwardly along the outer surface of the elastic pressing plate (121), and a triangular end to a triangular side end of the triangular bump structure gradually increases in height at the outer surface of the elastic pressing plate (121) and forms a triangular sliding surface, wherein the triangular side end is close to the pressing portion (122).

4. The pluggable optical cable structure of an active optical cable capable of preventing erroneous plugging according to claim 1, wherein the elastic pressing plate (121) has a rectangular structure, one end of the elastic pressing plate (121) is connected to the inner wall of the notch (11), and the outer surface of the other end of the elastic pressing plate (121) is located below the outer surface of the notch (11) and forms the pressing portion (122).

5. The pluggable optical cable structure of an active optical cable capable of preventing false plugging according to claim 1, wherein the upper cover (1) and the lower cover (2) are symmetrical structures, the inner side surface of the lower cover (2) extends to form a mounting boss (21), two first mounting grooves (22) are symmetrically arranged on the mounting boss (21) along the symmetrical cross section of the lower cover (2), a third mounting groove (23) is arranged on the inner side surface of the lower cover (2) on one side of the mounting boss (21), and the upper cover (1) is respectively provided with a second mounting groove (13) matched with the first mounting groove (22) and a fourth mounting groove (14) matched with the third mounting groove (23).

6. The pluggable optical cable structure of an active optical cable capable of preventing false plugging according to claim 5, wherein both the transverse ends and the longitudinal ends of the upper cover (1) are provided with buckles (15), and the outer side end of the lower cover (2) is provided with a clamping groove (24) matched with the buckles (15).

7. The pluggable optical cable structure of an active optical cable capable of preventing false plugging according to claim 6, wherein two second installation grooves (13) are symmetrically arranged along the symmetrical cross section of the upper cover (1), and the elastic unlocking pressing handle (12) is arranged between the two second installation grooves (13).

8. The pluggable optical cable structure of the active optical cable capable of preventing the false plugging according to the claim 5, wherein the surface of the installation boss (21) is extended with a positioning column (211), and the upper cover (1) is provided with a positioning hole (16) matched with the positioning column (211).

9. The pluggable optical cable structure of an active optical cable capable of preventing false plugging according to claim 5, wherein an anti-bending protective sleeve (31) is sleeved outside the cable (3), one end of the cable (3) is provided with a tensile positioning metal sleeve (32), the tensile positioning metal sleeve (32) is connected between the third mounting groove (23) and the fourth mounting groove (14), two tight sleeve optical fibers (33) extend out of the tensile positioning metal sleeve (32), one end of each tight sleeve optical fiber (33) is connected with a ceramic ferrule positioning piece (34), the ceramic ferrule positioning piece (34) is connected with a ceramic ferrule (35), a spring (36) is sleeved on the ceramic ferrule positioning piece (34), the ceramic ferrule positioning piece (34) is connected between the first mounting groove (22) and the second mounting groove (13) through the spring (36), and the ceramic ferrule (35) extends out of the side end face of the upper cover (1) after being matched with the lower cover (2).

10. The pluggable optical cable structure of an active optical cable capable of preventing false plugging according to claim 5, wherein the third installation groove (23) is an arc structure, an arc clamping groove is arranged at the bottom of the third installation groove, and the first installation groove (22) is provided with two arc bracket plates.