CN219245805U - Optical fiber quick connector - Google Patents

Abstract

The utility model relates to an optical fiber quick connector, which comprises a shell and a core body, wherein a core body accommodating cavity for accommodating an opening of the core body is arranged in the middle of the upper surface of the shell, the core body is embedded and fixed in the core body accommodating cavity, and a first dismounting window is formed in one side of the shell perpendicular to the installation direction of the core body; the core extend in the direction of the first disassembly window and have core disassembly and assembly parts, the core is covered with a pressing plate, the pressing plate is embedded and fixed in the core accommodating cavity, and the pressing plate extends in the direction of the first disassembly window and has pressing plate disassembly and assembly parts. The shell is provided with a first dismounting window on the side surface so as to be convenient for accommodating each dismounting part, the structure in the core accommodating cavity is more compact due to the design of the pressing plate, and the pressing plate can play a role in certain leveling, so that the pressing plate is stable when contacting with the inner top surface of the cover body; the core body dismounting part and the pressing plate dismounting part are convenient to dismount and mount, and when the core body is dismounted and mounted, the core body is propped against the gap at the lower end of the core body dismounting part by using the tool, and then the core body is pried out of the core body accommodating cavity by using the tool upwards.

Description

Optical fiber quick connector

Technical Field

The utility model relates to the field of optical fibers, in particular to an optical fiber quick connector.

Background

Fiber optic connectors are an indispensable component in fiber optic communication systems. Because the local communication network is gradually optical fiber, especially for adapting to the demands of optical fiber access networks and optical fibers to families, the demands of optical fiber connectors are continuously rising, the demand of the optical fiber connectors cannot be met by the assembly and grinding production of factories alone, and the cost is high, so that the assembly of the connectors is going from factories to the installation engineering sites, and the demands of rapid and simple field assembly type optical fiber connectors are also increasing.

Connectors suitable for field installation require time, effort, ease of operation, and require only a few minutes to assemble a reliable fiber optic connector. The existing optical fiber connector generally embeds the core in the optical fiber connector directly into the accommodating cavity, however, the embedded structure makes it difficult to take out the core from the accommodating cavity when the core is to be disassembled, and the bottom plate or the cover plate in the core is also difficult to take out from the accommodating cavity of the bottom plate or the cover plate on the core, so that it is necessary to design an optical fiber quick connector capable of realizing quick disassembly.

Disclosure of Invention

In order to solve the problems, the utility model provides an optical fiber quick connector which is convenient to assemble and disassemble and has a stable structure.

In order to achieve the above purpose, the optical fiber quick connector comprises a shell and a core body, wherein a core body accommodating cavity for accommodating an opening of the core body is arranged in the middle of the upper surface of the shell, the core body is embedded and fixed in the core body accommodating cavity, and a first dismounting window is formed in one side of the shell perpendicular to the installation direction of the core body; the core extend in the direction of the first disassembly window and have core disassembly and assembly parts, the core is covered with a pressing plate, the pressing plate is embedded and fixed in the core accommodating cavity, and the pressing plate extends in the direction of the first disassembly window and has pressing plate disassembly and assembly parts. The shell is provided with a first dismounting window on the side surface so as to be convenient for accommodating each dismounting part, the structure in the core accommodating cavity is more compact due to the design of the pressing plate, and the pressing plate can play a role of certain leveling due to the complex shape of the upper part of the core, so that the pressing plate is stable when contacting with the inner top surface of the cover body; the core body dismounting part and the pressing plate dismounting part are convenient to dismount, when the core body is dismounted, fingernails or tools are used for resisting gaps at the lower end of the dismounting part of the core body, then the core body is pried out of the core body accommodating cavity by force upwards, and the dismounting of the pressing plate dismounting part is the same.

The core is characterized in that a bottom plate accommodating cavity for accommodating an opening of the bottom plate is arranged in the middle of the upper surface of the core, the bottom plate is embedded and fixed in the bottom plate accommodating cavity, a cover plate which is also embedded and fixed in the bottom plate accommodating cavity is covered on the bottom plate, the cover plate is flush with the upper surface of the core, a cover plate dismounting part extends towards the direction of the first dismounting window, and a second dismounting window avoiding the cover plate dismounting part is arranged on the side surface of the core, which is close to the first dismounting window; the lower surface of the pressing plate is provided with fixing protrusions protruding towards two sides of the core body in the installation direction. The cover plate dismounting part has the function of dismounting the cover plate, the dismounting method is the same as the dismounting method of the pressing plate dismounting part and the core dismounting part, and the fixing protrusion has the function of enabling the pressing plate and the core to be transversely and stably fixed, so that shaking is not easy to occur between the pressing plate and the core.

In a further scheme, an installation gap is reserved between the core disassembly and assembly part and the side wall of the first disassembly and assembly window; the pressing plate is tightly attached to the side wall of the first dismounting window; and an installation gap is reserved between the cover plate and the side wall of the second dismounting window. The mounting gap between the core dismounting part and the first dismounting window and the gap between the cover plate and the second dismounting window are used for enabling the dismounting part and the dismounting window to be dismounted more easily, and tools or nails are not arranged in a clinging manner so as to extend into the gap more easily, so that the dismounting part is buckled more easily; the pressing plate is tightly attached to the first dismounting window because the upper end of the pressing plate is provided with an opening, so that the pressing plate is easy to shake, and the pressing plate can be more stable due to the tightly attached arrangement.

The upper surface of the shell is provided with fiber penetrating grooves which penetrate through two sides of the shell and are used for the optical fibers to penetrate through, the direction of the fiber penetrating grooves is consistent with the installation direction of the core, meanwhile, the fiber penetrating grooves penetrate through the core and the bottom plate accommodating cavity inside the core and pass through the upper surface of the bottom plate, and the bottom plate is provided with cutting grooves at two end parts of the fiber penetrating grooves; the side wall of the bottom of the core accommodating cavity is provided with fixing ribs at the periphery, the fixing ribs are matched with the shape of the core, and the height of the fixing ribs is lower than the upper surface of the core. The arrangement of the cutting groove is that the bottom plate and the core accommodating cavity are not necessarily connected smoothly on the fiber penetrating groove, so that the misplacement possibly occurs to cause the optical fiber to be blocked to prop against the end part of the optical fiber when penetrating through the fiber penetrating groove, thereby blocking the connection of the optical fiber, and the cutting groove can guide the optical fiber to the fiber penetrating groove of the bottom plate, thereby effectively avoiding the problem; the fixing ribs are arranged to facilitate the installation of the core body, so that the core body cannot be completely embedded in the core body accommodating cavity and cannot be taken out.

Still further, the material of the bottom plate is ceramic. The ceramic material has excellent physical properties, is stable in material, high in hardness, resistant to high-temperature impact and deformation and small in coefficient of thermal expansion and cold contraction, so that the base plate environment adaptation performance of the ceramic material is strong; the anti-aging capability is strong, so that the service life of the bottom plate can be more than 30 years.

Still further, the apron on be equipped with first groove of dodging, the core is equipped with the second on dodging the side that the groove corresponds with first groove, the core centre gripping is fixed with C shape fixation clamp on the position of perpendicular wire through groove, C shape fixation clamp centre gripping is dodged on groove and second dodge the groove first, its opening orientation first dismouting window. The effect of C shape fixation clamp is the bottom plate and the apron of clamping installation in the core for wear fine groove steady operation, be unlikely to produce and rock and hinder the fiber connection, the effect in groove is dodged to first dodge groove and second is held C shape fixation clamp, makes the upper surface of apron keep level, thereby makes the cooperation between apron and the clamp plate stable.

Still further, the apron be equipped with the observation hole on the both ends of fiber trough direction, the observation hole sets up directly over fiber trough. When the optical fibers are connected, the optical fibers penetrate into the fiber penetrating grooves from two ends respectively, when the optical fibers pass through the connection part of the bottom plate and the core body, the optical fibers possibly resist on the cutting grooves, so that the connection is blocked, and the observation holes are formed in the cover plate, so that the optical fibers can be conveniently observed to be successfully penetrated into the fiber penetrating grooves of the bottom plate when being connected.

The optical fiber fixing position is arranged at the position, close to the end face, of the shell in the fiber penetrating groove direction, the inserting position is arranged on the optical fiber fixing position, the inserting buckle is inserted on the inserting position, the optical fiber clamping position which is the same as the optical fiber in diameter is reserved on the middle channel of the optical fiber fixing position, the fixing buckles are arranged on the two end faces of the shell in the fiber penetrating groove direction, the periphery of the upper surface of the cavity is provided with the positioning bulge on the shell, the shell is buckled with the cover body, the cover body is provided with the corresponding end face clamping position at the position matched with the fixing buckles, the cover body is provided with the corresponding positioning concave at the position matched with the positioning bulge, the buckles clamped at the bottom of the shell are arranged at the edges of the two sides of the cover body, and the outer C-shaped clamps are clamped outside the cover body and the shell. The plug-in position is used for fixing the optical fiber with the insulating outer ring, the optical fiber is clamped on the optical fiber clamping position at the moment, and the plug-in buckle is inserted on the plug-in position to fix the optical fiber; the position is protruding and the concave cooperation of location is carried out to casing and lid between, and fixed buckle card has restricted the relative slip between casing and the lid on the section screens, and the buckle card of lid bottom is in the bottom surface of casing, has restricted the relative motion about between casing and the lid, and outer C shape clamp has carried out stable centre gripping in the outside of lid and casing to the up-and-down motion between casing and the lid.

The middle connecting surface of the outer C-shaped clamp is arranged at one side of the first dismounting window, a pad tongue is protruded from the inner side of the middle connecting surface of the outer C-shaped clamp to the first dismounting window, passes through the cover body and the first dismounting window and is padded between the cover plate dismounting part and the core body dismounting part; the cover body is provided with a through groove for the pad tongue to pass through at the pad tongue position. The pad tongue pad is between the cover plate dismounting part and the core dismounting part, so that the whole structure inside the connector is more compact, the cover plate or the core body is not displaced due to violent shaking or collision, and the relative movement between the cover body and the shell is limited by the pad tongue structure, so that the connection is more stable.

In a further scheme, a blind groove structure for avoiding overlarge wall thickness difference at a certain part is arranged on the shell and the cover body. The integral structure of the shell and the cover body is optimized, which is favorable for the molding of products.

The optical fiber quick connector designed by the utility model is designed to realize quick disassembly and assembly, a first window is arranged on the shell of the optical fiber device, a second window is arranged on the core body for accommodating the disassembly and assembly part of the core body and the disassembly and assembly part of the pressing plate, so as to accommodate the disassembly and assembly part of the cover plate, when the optical fiber quick connector is disassembled and assembled, a gap at the lower end of the disassembly and assembly part is resisted by a fingernail or a tool, and then the optical fiber quick connector is pried out of the accommodating cavity by force upwards, meanwhile, a fixing rib is arranged in the accommodating cavity so as to prevent the core body from being embedded in the accommodating cavity after being put into the accommodating cavity, in addition, a pad tongue is arranged on an outer C-shaped fixing clamp clamped outside the shell and the cover body, the structure can limit relative movement between the shell and the cover body, and the pad tongue pad enables the structure to be more compact and more stable between the disassembly and assembly parts.

Drawings

FIG. 1 is an exploded view of example 1;

FIG. 2 is a schematic view showing the installation of the core and the platen in example 1;

FIG. 3 is a schematic cross-sectional view of example 1;

FIG. 4 is a schematic structural view of the core in example 1;

FIG. 5 is a schematic view showing the structure of the base plate in embodiment 1;

fig. 6 is a schematic structural view of the cover plate in embodiment 1;

fig. 7 is a schematic structural view of the case in embodiment 1;

fig. 8 is a schematic view of the structure of the cover in embodiment 1;

fig. 9 is a schematic structural view of the outer C-clip in embodiment 1.

1-shell, 11-core body accommodating cavity, 12-first dismounting window, 13-fiber penetrating groove, 14-fixing rib, 15-fiber fixing position, 16-inserting position, 17-fixing buckle, 18-fiber clamping position and 19-

Positioning convex, 2-outer C-shaped clamp, 21-pad tongue, 3-core, 31-core dismounting part, 32-bottom plate accommodating cavity, 33-second dismounting window, 34-second avoiding groove, 4-bottom plate, 41-cutting groove and 5-

Cover plate, 51-cover plate dismounting part, 52-first avoiding groove, 53-observation hole, 6-C-shaped fixing clamp,

7-pressing plate, 71-pressing plate dismounting part, 72-fixing convex part, 8-cover body, 81-end face clamping position, 82-positioning concave part, 83-blind groove structure, 84-through groove, 85-buckle and 9-eye-splice

Detailed Description

In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.

Example 1.

As shown in fig. 1-4, the optical fiber quick connector described in this embodiment includes a housing 1 and a core 3, wherein a core accommodating cavity 11 for accommodating an opening of the core 3 is provided in the middle of the upper surface of the housing 1, the core 3 is fixedly embedded in the core accommodating cavity 11, and a first dismounting window 12 is provided on one side of the housing 1 perpendicular to the installation direction of the core 3; the core 3 extends in the direction of the first dismounting window 12 to form a core dismounting portion 31, the core 3 is covered with a pressing plate 7, the pressing plate 7 is embedded and fixed in the core accommodating cavity 11, and the pressing plate 7 extends in the direction of the first dismounting window 12 to form a pressing plate dismounting portion 71. An installation gap is reserved between the core disassembly and assembly part 31 and the side wall of the first disassembly and assembly window 12; the pressing plate 7 is tightly attached to the side wall of the first dismounting window 12; and an installation gap is reserved between the cover plate 5 and the side wall of the second dismounting window 33.

As shown in fig. 1, 2 and 4, a bottom plate accommodating cavity 32 for accommodating an opening of the bottom plate 4 is arranged in the middle of the upper surface of the core 3, the bottom plate 4 is embedded and fixed in the bottom plate accommodating cavity 32, a cover plate 5 which is also embedded and fixed in the bottom plate accommodating cavity 32 is covered on the bottom plate 4, the cover plate 5 is flush with the upper surface of the core 3, a cover plate dismounting part 51 extends towards the direction of the first dismounting window 12 from the cover plate 5, and a second dismounting window 33 avoiding the cover plate dismounting part 51 is arranged on the side surface of the core 3 close to the first dismounting window 12; the lower surface of the pressing plate 7 is provided with fixing protrusions 72 protruding towards two sides of the core body 3 in the installation direction; the material of the bottom plate 4 is ceramic.

As shown in fig. 2-6, the upper surface of the housing 1 is provided with fiber penetrating grooves 13 penetrating through two sides of the housing and used for allowing optical fibers to pass through, the direction of the fiber penetrating grooves 13 is consistent with the installation direction of the core 3, meanwhile, the fiber penetrating grooves 13 penetrate through the core 3 and the bottom plate accommodating cavity 32 inside the core and pass through the upper surface of the bottom plate 4, and the bottom plate 4 is provided with cutting grooves 41 at two end parts of the fiber penetrating grooves 13; the side wall of the bottom of the core accommodating cavity 11 is provided with fixing ribs 14 all around, the fixing ribs 14 are matched with the shape of the core 3, and the height of the fixing ribs 14 is lower than the upper surface of the core 3. The cover plate 5 is provided with observation holes 53 at two ends of the fiber penetrating groove 13 in the direction, and the observation holes 53 are arranged right above the fiber penetrating groove 13.

As shown in fig. 4 and 6, the cover 5 is provided with a first avoidance groove 52, the core 3 is provided with a second avoidance groove 34 on the side corresponding to the first avoidance groove 52, the core 3 is fixedly clamped with a C-shaped fixing clip 6 in the direction perpendicular to the wire through groove 13, the C-shaped fixing clip 6 is clamped on the first avoidance groove 52 and the second avoidance groove 34, and the opening of the C-shaped fixing clip faces the first dismounting window 12.

As shown in fig. 7 and 8, the casing 1 is provided with an optical fiber fixing position 15 at a position close to the end face in the direction of the fiber penetrating groove 13, an inserting position 16 is arranged on the optical fiber fixing position 15, an inserting buckle 9 is inserted on the inserting position 16, optical fiber clamping positions 18 with the same size as the optical fiber diameter are reserved on a middle channel of the optical fiber fixing position 15, fixing buckles 17 are arranged on two end faces in the direction of the fiber penetrating groove 13 on the casing 1, positioning convex 19 are arranged on the periphery of the upper surfaces of the optical fiber fixing position 15 and the core accommodating cavity 11 on the casing 1, a cover body 8 is buckled on the casing 1, a corresponding end face clamping position 81 is arranged at a position matched with the fixing buckles 17 on the cover body 8, a corresponding positioning concave 82 is arranged at a position matched with the positioning convex 19 on the cover body 8, buckles 85 clamped at the bottom of the casing 1 are arranged at the edges of two sides of the cover body 8, and an outer C-shaped clamp 2 is clamped outside the cover body 8 and the casing 1.

As shown in fig. 4, 7, 8 and 9, the middle connecting surface of the outer C-shaped clip 2 is disposed at one side of the first dismounting window 12, a pad tongue 21 protrudes from the inner side of the middle connecting surface of the outer C-shaped clip 2 toward the first dismounting window 12, and the pad tongue 21 passes through the cover 8 and the first dismounting window 12 and is padded between the cover dismounting portion 51 and the core dismounting portion 31; the cover 8 is provided with a through groove 84 for the pad tongue 21 to pass through at the position of the pad tongue 21. The shell 1 and the cover 8 are provided with a blind groove structure 83 for avoiding overlarge wall thickness difference at a certain part.

The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.

Claims (10)

1. The optical fiber quick connector comprises a shell (1) and a core body (3), wherein an open core body accommodating cavity (11) for accommodating the core body (3) is formed in the middle of the upper surface of the shell (1), and the core body (3) is embedded and fixed in the core body accommodating cavity (11), and the optical fiber quick connector is characterized in that a first dismounting window (12) is formed in one side of the shell (1) perpendicular to the installation direction of the core body (3); the core body (3) extends in the direction of the first dismounting window (12) to form a core body dismounting portion (31), the core body (3) is covered with a pressing plate (7), the pressing plate (7) is embedded and fixed in the core body accommodating cavity (11), and the pressing plate (7) extends in the direction of the first dismounting window (12) to form a pressing plate dismounting portion (71).

2. The optical fiber quick connector according to claim 1, wherein a bottom plate accommodating cavity (32) for accommodating an opening of the bottom plate (4) is arranged in the middle of the upper surface of the core body (3), the bottom plate (4) is embedded and fixed in the bottom plate accommodating cavity (32), the bottom plate (4) is covered with a cover plate (5) which is also embedded and fixed in the bottom plate accommodating cavity (32), the cover plate (5) is flush with the upper surface of the core body (3), the cover plate (5) extends towards the direction of the first dismounting window (12) to form a cover plate dismounting part (51), and the side surface of the core body (3) close to the first dismounting window (12) is provided with a second dismounting window (33) for avoiding the cover plate dismounting part (51); the lower surface of the pressing plate (7) is provided with fixing protrusions (72) protruding towards two sides of the core body (3) in the installation direction.

3. The optical fiber quick connector according to claim 2, wherein an installation gap is left between the core dismounting portion (31) and the side wall of the first dismounting window (12); the pressing plate (7) is tightly attached to the side wall of the first dismounting window (12); and an installation gap is reserved between the cover plate (5) and the side wall of the second dismounting window (33).

4. A fiber optic quick connector according to claim 2 or 3, wherein the upper surface of the housing (1) is provided with fiber penetrating grooves (13) penetrating through both sides thereof and used for the fiber to pass through, the direction of the fiber penetrating grooves (13) is consistent with the installation direction of the core (3), meanwhile, the fiber penetrating grooves (13) penetrate through the core (3) and the bottom plate accommodating cavity (32) inside the core and pass through the upper surface of the bottom plate (4), and the bottom plate (4) is provided with cutting grooves (41) at both ends of the fiber penetrating grooves (13); the side wall of the bottom of the core accommodating cavity (11) is provided with fixing ribs (14) all around, the fixing ribs (14) are matched with the shape of the core (3), and the height of the fixing ribs (14) is lower than the upper surface of the core (3).

5. The optical fiber quick connector according to claim 4, wherein the cover plate (5) is provided with a first avoidance groove (52), the core body (3) is provided with a second avoidance groove (34) on the side corresponding to the first avoidance groove (52), the core body (3) is fixedly clamped with a C-shaped fixing clamp (6) in the direction perpendicular to the fiber penetration groove (13), and the C-shaped fixing clamp (6) is clamped on the first avoidance groove (52) and the second avoidance groove (34), and the opening of the C-shaped fixing clamp faces the first dismounting window (12).

6. The optical fiber quick connector according to claim 5, wherein the cover plate (5) is provided with observation holes (53) at both ends in the direction of the fiber penetration groove (13), and the observation holes (53) are arranged right above the fiber penetration groove (13).

7. The optical fiber quick connector according to claim 6, wherein the housing (1) is provided with an optical fiber fixing position (15) at a position close to the end face in the fiber penetrating groove (13) direction, the optical fiber fixing position (15) is provided with an inserting position (16), the inserting position (16) is inserted with an inserting buckle (9), an optical fiber clamping position (18) with the same size as the optical fiber diameter is reserved on a middle channel of the optical fiber fixing position (15), the housing (1) is provided with fixing buckles (17) on two end faces in the fiber penetrating groove (13) direction, the housing (1) is provided with positioning protrusions (19) on the periphery of the upper surfaces of the optical fiber fixing position (15) and the core accommodating cavity (11), the housing (1) is provided with a cover body (8), the cover body (8) is provided with corresponding end face clamping positions (81) at positions matched with the fixing buckles (17), two side bottom edges of the cover body (8) are provided with clamping buckles (85) clamped at the bottom of the housing (1), and the outer part (2) of the housing (1) is clamped.

8. The optical fiber quick connector according to claim 7, wherein the middle connecting surface of the outer C-shaped clamp (2) is arranged at one side of the first dismounting window (12), a pad tongue (21) protrudes from the inner side of the middle connecting surface of the outer C-shaped clamp (2) to the first dismounting window (12), and the pad tongue (21) passes through the cover body (8) and the first dismounting window (12) and is padded between the cover plate dismounting part (51) and the core body dismounting part (31); the cover body (8) is provided with a through groove (84) for allowing the pad tongue (21) to pass through at the position of the pad tongue (21).

9. The fiber optic quick connector of claim 8, wherein the housing (1) and the cover (8) are provided with blind groove structures (83) for avoiding excessive wall thickness differences at certain locations.

10. The fiber optic quick connector of claim 9, wherein the material of the base plate (4) is ceramic.

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