CN209446838U - A kind of connector plug fiber alignment component - Google Patents

Abstract

The utility model relates to field of connectors, a kind of connector plug fiber alignment component, wherein fiber optic is tubulose, tailgate is mounted on fiber optic tail end, the leading portion of fiber optic inner wall is equipped with annular convex platform, porcelain bushing is attached to fiber optic annular boss towards the inner wall of inserting paragraph side, fiber stub is mounted in fiber optic, and the outside of fiber stub is coated with columned limit section, the limit paragraph header end is connected to the side wall of annular convex platform, spring one end is connected on tailgate, the other end is connected on the tail end face of limit section, make fiber stub can in fiber optic axial float, spring plays the role of the docking of pressed fiber lock pin, so that optical fiber does not connect uncertain and has certain antihunt action, optical fiber component is while guaranteeing product hermeticity, reduce the spacing of optical fiber contact body, reduce the shape of product Volume and quality increase the installation space of product.

Description

A kind of connector plug fiber alignment component

Technical field

The utility model relates to field of connectors, the photoelectricity wire and cable connector that is especially laid under water.

Background technique

Wire and cable connector is primarily adapted for use in all kinds of digital SPC exchanges of transmission device office, the inside connection of photoelectricity transmission equipment Signal transmission between distributing frame, traditional underwater opto-electric connector do not have individual fiber optic and sealing structure, body Product is big and sealing position is few, applies in the photoelectricity transmission of ship signal system, not convenient enough, reliable.

People are highly desirable to obtain a kind of small in size, structure novel, and the excellent underwater Optoelectric hybrid of sealing effect connects Connect device.

Utility model content

To solve the above problems, the utility model provides a kind of connector plug fiber alignment component, can reduce The spacing of optical fiber contact body effectively reduces the overall volume and quality of product.

In order to achieve the above purposes, the technical solution adopted by the utility model is:

A kind of connector plug fiber alignment component, including porcelain bushing, fiber stub, optical fiber component sealing ring, optical fiber Shell, spring and tailgate, wherein fiber optic is tubulose, and tailgate is mounted on fiber optic tail end, the leading portion of fiber optic inner wall Equipped with annular convex platform, porcelain bushing is attached to fiber optic annular boss towards the inner wall of inserting paragraph side, fiber stub peace In fiber optic, and the outside of fiber stub is coated with columned limit section, which is connected to convex annular The side wall of platform, spring one end are connected on tailgate, and the other end is connected on the tail end face of limit section, make fiber stub can be in light Axial float in fine shell.

Preferably, to be provided with optical fiber component close for the limit section outer ring surface and the opposite position of fiber optic internal ring wall Seal.

Preferably, optical fiber component sealing ring has two groups.

Preferably, limit section outer ring surface has groove, the insertion of optical fiber component sealing ring is mounted in groove.

Preferably, having several positioning annular protrusions, the positioning annular protrusion on the fiber optic outer ring surface For axially position fiber optic.

Preferably, the tail end face of limit section has columnar suit section, the suit section and limit section are concentric, set It fills section and diameter is less than limit section diameter, spring pocket is in suit section.

Using the beneficial effects of the utility model are:

In the case where fiber alignment, spring play the role of pressed fiber lock pin docking so that optical fiber do not connect it is uncertain and With certain antihunt action.The spacing of optical fiber contact body is greatly reduced while guaranteeing product hermeticity in optical fiber component, The overall volume and quality of product are effectively reduced, the installation space of product is increased.

Detailed description of the invention

Fig. 1 is connector general structure schematic diagram.

Fig. 2 is that the utility model connector plug fiber alignment component applies the structural schematic diagram in plug.

Fig. 3 is that the utility model connector plug fiber alignment component applies the structural schematic diagram in socket.

Fig. 4 is the structural schematic diagram of the utility model connector plug fiber alignment component.

Fig. 5 is contact sealed structural schematic diagram in the utility model connector plug fiber alignment component.

Appended drawing reference includes:

10- plug, 101- tail press from both sides nut, 102- gasket, 103- spigot seal pad, 104- plug casing, 105- plug every Plate, the first nut of 106-, 107- plug insulator component, the equivalent sealing ring of 1071-, the second nut of 108-, the big pressure of 109- plug Tight nut, 110- holding screw, 111- plug fibers component；

20- socket, 201- socket partition, 202- socket optical fiber component, 203- socket insulator component, 2031- waterproof Section, 2032- inserting paragraph, the big clamp nut of 204- socket, 205- socket seal pad, 206- square plate shell；

2021- porcelain bushing, 2022- fiber stub, 2023- optical fiber component sealing ring, 2024- fiber optic, 2025- limit Position section, 2026- spring, 2027- tailgate.

Specific embodiment

The utility model is described in detail below in conjunction with attached drawing.

As Figure 1-Figure 5, a kind of connector plug fiber alignment component is present embodiments provided, is applied small-sized wet It plugs in opto-electric connector, small-sized wet plug opto-electric connector includes that plug 10 and socket 20 dock.

Wherein plug 10 includes that tail presss from both sides nut 101, gasket 102, spigot seal pad 103, plug casing 104, plug partition 105, the first nut 106, plug insulator component 107, equivalent sealing ring 1071, the second nut 108, the big clamp nut of plug 109 and plug fibers component 111, wherein plug casing 104 is tubulose, and the tail end inner wall of plug casing 104 has convex annular It rises, the part internal ring wall between annular protrusion and the endpiece of plug casing 104 is equipped with internal screw thread, and the tail folder nut 101 is Circular tube shaped, and the outer ring surface of tail folder nut 101 has external screw thread, tail presss from both sides the external screw thread of nut 101 and the endpiece of plug casing 104 Screw-internal thread fit installation so that the end face of tail folder nut 101 and annular protrusion side wall cooperation holding shim 102 and spigot seal The leading portion outer wall of pad 103, plug casing 104 is equipped with external screw thread, and the first nut 106 is threaded in the leading portion of plug casing 104 At external screw thread；The big clamp nut 109 of plug partition 105, plug insulator component 107, plug, plug fibers component 111 are installed Inside the head section of plug casing 104, wherein plug insulator component 107 is wrapped in around plug fibers component 111 The head section of insulator and the positioning jack being arranged in inside insulator, positioning jack is equipped with equivalent sealing ring 1071, plug partition 105 are arranged in the tail portion of plug insulator component 107 and plug fibers component 111, and plug partition 105 is for separating plug insulation Body component 107, plug fibers component 111 and rear cable；Insertion chamber is formed between second nut 108 and plug casing 104；

Socket 20 includes socket partition 201, socket optical fiber component 202, socket insulator component 203, the big compression spiral shell of socket Mother 204, socket seal pad 205 and square plate shell 206, wherein 206 main body of square plate shell is tubulose, and external disk shell head end is axial Insertion section is extended to form, the outer ring surface of insertion section forms external screw thread, and socket seal pads the inner wall and square plate shell of 205 insertion sections The angle of 206 head ends；Socket insulator component 203 is inserted into the inside of 206 leading portion of square plate shell, socket insulator component Sealing ring is equipped between 203 and 206 inner wall of square plate shell, socket insulator component 203 includes 20 insertion body of socket and socket 20 Insulator, 20 insulator of socket are wrapped in outside socket optical fiber component 202, and the big clamp nut 204 of socket is connected by external screw thread In the inner wall head section of square plate shell 206, the big clamp nut 204 of socket is used to limit the axial position of socket insulator component 203；

When plug 10 and socket 20 cooperate, plug insulator component 107 and socket insulator component 203 cooperate, plug Optical fiber component 111 and socket optical fiber component 202 dock, and insertion section is inserted into insertion chamber, and it is close that plug casing 104 is connected to socket At packing 205, the internal screw thread of the second nut 108 and the external screw thread cooperation of insertion section, the inner ring surface and plug casing 104 of insertion section Sealing ring is arranged in the surface of cooperation.

Gasket 102 and spigot seal pad 103 have two groups, and two groups of gaskets 102 and the setting of the interval of spigot seal pad 103.Two Group gasket 102 and spigot seal pad 103 reinforce waterproof.

Plug casing 104 is equipped with boss, which is arranged in the tail portion at external screw thread, the first nut 106 and the second nut 108 inner wall tail end is respectively equipped with bulge-structure, and the bulge-structure and boss cooperate, for limiting the first nut 106 and second Nut 108 moves axially position.The structure is simple, and can realize 108 axially position of the first nut 106 and the second nut, avoids First nut 106 and the second nut 108, which are crossed, to be moved.

First nut 106 and the second nut 108 are respectively provided with through 108 annular wall of the first nut 106 and the second nut Screw hole is equipped with holding screw 110 in the screw hole, and the holding screw 110 is for limiting the first nut 106 and the second nut 108 With the relative position of plug casing 104.110 lockable the first nut 106 of holding screw and the second nut 108, avoid the first spiral shell Cap 106 and the second nut 108 loosen.

Socket seal pad 205 is the Gask-O-Seal that cross section is rectangle.

In the present embodiment, after plug 10 and socket 20 dock, square plate shell 206 is inserted into Fig. 2 plug casing 104 and the Between two nuts 108, the second nut 108 is then turned, the second nut 108 and 206 insertion section outer ring surface of square plate shell pass through spiral shell Line cooperation, the head end and socket seal pad 205 of plug casing 104 form sealing, the inner wall and plug casing 104 of insertion section Sealing ring on outer ring surface forms sealing, and plug insulator component 107 and 104 interface of plug casing form sealing, and socket is exhausted Edge body component 203 and 206 inner wall interface of square plate shell form sealing.

So that this plug 10 and 20 structure of socket act the sealing to form multiple labyrinth-like by simply docking, while by inserting The docking of head insulation components 107 and socket insulator component 203, so that 20 insulator of plug insulator component 107 and socket In addition to playing the role of insulator, butt junction location is also acted as, socket optical fiber component 202 and plug fibers component are facilitated 111 connect.

Tail presss from both sides the cooperation that nut 101, gasket 102 and spigot seal pad 103 threes, realizes that 10 tail portion of plug is connected with cable The waterproof sealing of position.Similar, the sealing ring group of 20 tail position of socket is realized and the waterproof sealing of cable connection locations.

The cooperation of fiber optic 2024 and insulator simultaneously mainly using plastic pressure forming technology is inlayed, utilizes high-precision Mold contact is positioned, the fiber optic 2024 and the insulator that specially design are inlayed and are integrally formed, ensure that light The concentricity of fine shell 2024.

As shown in figure 4, socket optical fiber component 202 includes porcelain bushing 2021, fiber stub 2022, light in the present embodiment Fine component sealing ring 2023, fiber optic 2024, spring 2026 and tailgate 2027, wherein fiber optic 2024 is tubulose, tailgate 2027 are mounted on 2024 tail end of fiber optic, and the leading portion of 2024 inner wall of fiber optic is equipped with annular convex platform, and porcelain bushing 2021 pastes It is attached to inner wall of the 2024 annular boss of fiber optic towards 2032 side of inserting paragraph, fiber stub 2022 is mounted on fiber optic In 2024, and the outside of fiber stub 2022 is coated with columned limit section 2025, which is connected to ring The side wall of shape boss, 2026 one end of spring are connected on tailgate 2027, and the other end is connected on the tail end face of limit section 2025, Make fiber stub 2022 can in fiber optic 2024 axial float.

Limit 2025 outer ring surface of section and the opposite position of 2024 internal ring wall of fiber optic are provided with optical fiber component sealing ring 2023.Optical fiber component sealing ring 2023 further functions as the effect of anti-water segregation.

Plug fibers component 111 is similar with 202 structure of socket optical fiber component, repeats no more.

In the present embodiment, optical fiber component sealing ring 2023 has two groups.

Limiting 2025 outer ring surface of section has groove, and what optical fiber component sealing ring 2023 was embedded in is mounted in groove.To limit The position of optical fiber component sealing ring 2023.

There is several positioning annular protrusions, which is used for axially position on 2024 outer ring surface of fiber optic Fiber optic 2024.Positioning annular raised role is to limit the position of fiber optic 2024.

The tail end face for limiting section 2025 has columnar suit section, and the suit section and limit section 2025 are concentric, suit Section and diameter are less than limit 2025 diameter of section, and spring 2026 is sleeved in suit section.So that the volume of this socket optical fiber component 202 It is small and exquisite, functional.

When using this socket optical fiber component 202, as when fiber stub 2022 is axial to meet obstructions, fiber stub 2022 is driven The limit section 2025 at rear overcomes 2026 resistance of the spring mobile lesser distance of side direction to the right, in the case where fiber alignment, Spring 2026 plays the role of the docking of pressed fiber lock pin 2022, so that optical fiber does not connect uncertain and has certain antihunt action.

While guaranteeing product hermeticity the spacing of optical fiber contact body is greatly reduced, effectively in socket optical fiber component 202 The overall volume and quality for reducing product, increase the installation space of product.

As shown in figure 5, insulator die group includes the socket insulator component 203 and plug that can be mutually butted in the present embodiment Insulation components 107, socket insulator component 203 include inserting paragraph 2032 and waterproof section 2031, and wherein inserting paragraph 2032 is circle Cylindricality, the waterproof section 2031 are truncated cone, and the tail end face and 2031 head end of waterproof section of inserting paragraph 2032 integrally connect It connects and concentric setting, 2031 head end of waterproof section is less than 2031 tail end face of waterproof section；Plug insulator component 107 has Positioning jack, positioning jack main body are made of elastic material, and the head section part wall thickness of positioning jack is greater than positioning jack main wall Thickness simultaneously forms equivalent sealing ring 1071；When socket insulator component 203 and plug insulator component 107 dock, inserting paragraph 2032 It is inserted into positioning jack, the outer ring surface of waterproof section 2031 abuts to form waterproof construction with equivalent 1071 position of sealing ring.

Excessive position between 2032 outer ring surface of head end and inserting paragraph of inserting paragraph 2032 forms rounded corners.Insertion Rounded corners at section 2032 facilitate inserting paragraph 2032 to be inserted into positioning jack.

There are three equivalent sealing rings 1071.

Excessive position between the head end of waterproof section 2031 and the outer ring surface of waterproof section 2031 forms rounded corners.This Rounded corners facilitate the head of waterproof section 2031 to be inserted into equivalent 1071 position of sealing ring, play the role of guiding.

After contact pin insulator and jack insulator plug together, 0 type circle of jack insulator is extruded in the conical surface of contact pin insulator On, it realizes the independent sealing function of each contact, plays the role of electric insulation, it is ensured that every circuit works normally.It bores simultaneously Face is designed so that product discharges inner water droplets in docking, to reduce docking resistance.Connect photoelectricity by principles above Connecing device becomes the underwater connector with wet plug characteristic.

The above content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality It, in specific embodiments and applications can be with many changes may be made, as long as these variations are without departing from this with novel thought The design of utility model, belongs to the protection scope of the utility model.

Claims (6)

1. a kind of connector plug fiber alignment component, it is characterised in that: close including porcelain bushing, fiber stub, optical fiber component Seal, fiber optic, spring and tailgate, wherein fiber optic is tubulose, and tailgate is mounted on fiber optic tail end, in fiber optic The leading portion of wall is equipped with annular convex platform, and porcelain bushing is attached to fiber optic annular boss towards the inner wall of inserting paragraph side, light Fine lock pin is mounted in fiber optic, and the outside of fiber stub is coated with columned limit section, which abuts In the side wall of annular convex platform, spring one end is connected on tailgate, and the other end is connected on the tail end face of limit section, inserts optical fiber Core can in fiber optic axial float.

2. connector plug fiber alignment component according to claim 1, it is characterised in that: the limit section outer ring surface and The opposite position of fiber optic internal ring wall is provided with optical fiber component sealing ring.

3. connector plug fiber alignment component according to claim 2, it is characterised in that: optical fiber component sealing ring has two Group.

4. connector plug fiber alignment component according to claim 2, it is characterised in that: limit section outer ring surface has recessed Slot, the insertion of optical fiber component sealing ring are mounted in groove.

5. connector plug fiber alignment component according to claim 1, it is characterised in that: the fiber optic outer ring surface Upper to have several positioning annular protrusions, which is used for axially position fiber optic.

6. connector plug fiber alignment component according to claim 1, it is characterised in that: limit the aft end mask of section There is columnar suit section, the suit section and limit section are concentric, are set with section and diameter is less than limit section diameter, spring pocket is mounted in set It fills in section.