CN214041809U

CN214041809U - LC preassembled connector

Info

Publication number: CN214041809U
Application number: CN202023305550.4U
Authority: CN
Inventors: 李尧乐
Original assignee: Huizhou Feibokang Industrial Co ltd
Current assignee: Huizhou Feibokang Industrial Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-08-24
Anticipated expiration: 2030-12-31

Abstract

The utility model provides a LC pre-assembling connector, includes lock pin subassembly and tail cover, lock pin subassembly and tail cover department of meeting has cup jointed the inner frame cover, the side of inner frame cover left end is equipped with the shell fragment, the inner frame cover right-hand member is equipped with the stopper of U-shaped groove and U-shaped groove side, the inner frame cover is equipped with the joint plane with the face that the shell fragment was dorsad, the inner frame sheathes in, below all is equipped with the bar mouth near the right-hand member portion, and preceding, the hou middle part of this inner frame cover all is equipped with the bar hole, the outer frame cover has been cup jointed to the right-hand member of inner frame cover, the side of outer frame cover is equipped with splint, both ends are equipped with U-shaped snap ring and mated trip respectively about the outer frame cover is inboard, the utility model discloses faster when the equipment, more stable, the operating efficiency is higher, also more convenient for the installation of optic fibre is more high-efficient swift.

Description

LC preassembled connector

Technical Field

The utility model relates to a communication equipment technical field, concretely relates to LC pre-assembly connector.

Background

The optical communication technology is that light is used as a medium, optical fibers are used as a medium, a communication mode that light waves transmit information in the optical fibers is utilized, the light used as signal transmission has short wavelength, the optical fibers need to be precisely butted when being connected through a relay of an optical fiber connector, the requirement loss after butt joint is small, the optical path is smooth, and the light energy is coupled into the optical fibers to the maximum extent, so that the precision of the corresponding connecting part is high, an LC optical fiber connector can meet the requirement, the LC optical fiber connector is a connector which can be inserted in a fixed direction and automatically prevented from falling off, is used for network communication, and two optical fibers are connected through physical connection, so that the optical signals can be smoothly connected.

However, after the internal components such as the spring, the ferrule, etc. are assembled, the LC type optical fiber connector needs to be assembled, and there is no good solution for how to assemble the components faster and more stably, so that an LC pre-assembly connector which can be assembled faster and more stably with high operation efficiency is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

To the technical defect who exists among the background art, the utility model provides a LC preassembled connector has solved above-mentioned technical problem and has satisfied actual demand, and concrete technical scheme is as follows:

the utility model provides a LC pre-assembling connector, includes lock pin subassembly and tail cover, lock pin subassembly and tail cover department of meeting has cup jointed the inner frame cover, the side of inner frame cover left end is equipped with the shell fragment, the inner frame cover right-hand member is equipped with the stopper of U-shaped groove and U-shaped groove side, the inner frame cover is equipped with the joint plane with the face that the shell fragment was dorsad, the inner frame sheathes in, below all is equipped with the bar mouth near the right-hand member portion, and preceding, the hou middle part of this inner frame cover all is equipped with the bar hole, the right-hand member of inner frame cover has cup jointed the outline cover, the side of outline cover is equipped with splint, both ends are equipped with U-shaped snap ring and mated trip respectively about the outline cover is inboard.

As a further technical scheme of the utility model, the U-shaped snap ring with the trip difference joint is on U-shaped groove and joint plane, shell fragment and splint are placed relatively and shell fragment one end is located splint one end under, the outline of lock pin subassembly and tail cover all cooperatees with the inner chamber profile of inside casing cover.

As a further technical scheme of the utility model, the joint plane with be equipped with the recess between the U-shaped groove, inside casing cover inside wall be equipped with a pair of locating piece of locating hole assorted.

As a further technical scheme of the utility model, the lock pin subassembly includes lock pin, white inner core, position sleeve, check ring and four and is linear connection, the lock pin overcoat has cup jointed the spring, the left end of lock pin is inserted to the one end of white inner core, position sleeve and check ring all cup joint on the lock pin.

As a further technical scheme of the utility model, the lock pin has cup jointed the spring outward, white inner core has cup jointed dustproof cap outward, the tip of position sleeve has cup jointed the optical cable mutually, lock pin and white inner core all are equipped with the optical fiber hole that optic fibre passed, are equipped with the spacing ring that is used for injecing the spring position on the lock pin.

As a further technical scheme of the utility model, the locating hole that the position sleeve side was equipped with, locating hole on the position sleeve with the bar hole that the inner casing sheathes is located same one side.

As a further technical scheme of the utility model, cap head one side of dustproof cap is equipped with the cambered surface that is the hyperbola indent, the opposite side of dustproof cap is equipped with cascaded dustproof hole.

The utility model has the advantages of that: when specifically using, parts such as lock pin subassembly, tail pipe, spring are constituteed into a whole back, at first cup joint the inner frame cover on above-mentioned assembly, then make U-shaped snap ring and trip joint on the outer frame cover on U-shaped groove and the joint plane on the inner frame cover to this realizes spare part such as inner frame cover fixed assembly lock pin subassembly, still can press the shell fragment that the inner frame sheathes, makes inner frame cover and outer frame cover separation, reaches the function of simple dismantlement, the utility model discloses when the equipment, faster, more stable, operating efficiency is higher, and is also more convenient for the installation of optic fibre is more high-efficient swift.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a cross-sectional view of the present invention.

Fig. 4 is a schematic structural view of the inner frame case 11.

Fig. 5 is a schematic structural view of the inner frame case 11.

Fig. 6 is a sectional view of the middle of the inner frame cover 11.

Fig. 7 is a schematic structural view of the outer frame case 10.

Wherein: the optical fiber connector comprises a ferrule assembly 1, a ferrule 101, a white inner core 102, a positioning sleeve 103, a stop ring 104, a tail sleeve 2, a spring 3, an elastic sheet 4, a U-shaped groove 5, a clamping plane 6, a limiting block 7, a strip-shaped opening 8, a strip-shaped hole 9, an outer frame sleeve 10, an inner frame sleeve 11, a clamping plate 12, a U-shaped clamping ring 13, a clamping hook 14, a dust cap 15, an optical cable 16, a groove 17, an optical fiber hole 18, a limiting ring 19, a positioning hole 20, a positioning block 21, an arc surface 22 and a dust hole 23.

Detailed Description

Embodiments of the present invention will be described with reference to the accompanying drawings and related embodiments, wherein the following embodiments are only preferred embodiments for better illustrating the present invention, and the embodiments of the present invention are not limited to the following embodiments, and the related essential components of the present invention related to the technical field should be considered as known in the art and can be known and mastered by those skilled in the technical field.

In the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," and the like are used in the orientation or positional relationship indicated in the drawings, merely for the purpose of describing the invention and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

The utility model provides a LC pre-assembling connector, includes lock pin subassembly 1 and tail cover 2, inner frame cover 11 has been cup jointed on lock pin subassembly 1 and the tail cover 2, the side of the 11 left ends of inner frame cover is equipped with shell fragment 4, the 11 right-hand members of inner frame cover are equipped with U-shaped groove 5, inner frame cover 11 is equipped with joint plane 6 and stopper 7 that meets with joint plane 6 with shell fragment 4 face to the back, be close to the right-hand member all and be equipped with bar mouth 8 above and below inner frame cover 11, and preceding, the hou mian middle part of this inner frame cover 11 all is equipped with bar hole 9, outer frame cover 10 has been cup jointed to the right-hand member of inner frame cover 11, the side of outer frame cover 10 is equipped with splint 12, both ends are equipped with U-shaped snap ring 13 and mated trip 14 respectively about outer frame cover 10 inboard.

Referring to fig. 1 to 7, when the present invention is used, the spring 3 is sleeved on the ferrule 101, one end of the spring 3 contacts with the limiting ring 19, the other end contacts with the positioning sleeve 103, so as to limit the position of the spring 3, one end of the ferrule assembly 1 is connected with the white inner core 102, the other end is connected with the tail sleeve 2, then the optical cable 16 is inserted into the tail sleeve 2, the optical fiber is inserted into the optical fiber holes 18 on the white inner core 102 and the ferrule 101, the inner frame 11 is sleeved on the above components, so that the above component components are integrated into a whole, the U-shaped snap ring 13 and the snap hook 14 on the outer frame 10 are respectively clamped on the U-shaped groove 5 on the inner frame 11 and the clamping plane 6 at the side of the limiting block 7, because the side of the inner frame 11 is further provided with the strip-shaped hole 9, so that the inner frame 11 is more stable to fix the ferrule assembly 1, the internal structure is firmer and more compact, the limiting block 7 and the U-shaped groove 5 limit the position of the outer frame 11, the assembling of the LC pre-assembled connector is simply and quickly completed, when the LC pre-assembled connector needs to be disassembled, the inner frame sleeve 11 can be separated from the outer frame sleeve 10 only by pressing the elastic sheet 4 on the inner frame sleeve 11, so that the disassembling purpose is achieved, and the assembling is very convenient.

The two opposite side surfaces of the inner frame sleeve 11 are respectively provided with a strip-shaped opening 8, when the ferrule assembly 1 is inserted into the inner frame sleeve 11, the inner frame sleeve 11 leaves a proper space for the ferrule assembly 1, so that the ferrule assembly 1 can be conveniently inserted into the inner frame sleeve 11; when the outer frame sleeve 10 is sleeved on the inner frame sleeve 11, the strip-shaped opening 8 on the inner frame sleeve 11 is reduced, so that the end part of the inner frame sleeve 11 is narrowed, and the outer frame sleeve 10 is sleeved on the inner frame sleeve 11 conveniently.

Refer to fig. 2 to 7 and show, as the utility model discloses a further technical scheme, U-shaped snap ring 13 with trip 14 joint respectively is on U-shaped groove 5 and joint plane 6, and U-shaped snap ring 13 joint has restricted the position that outer frame cover 10 removed in U-shaped groove 5, and stopper 7 also plays the effect of supplementary limit outer frame cover 10 position, shell fragment 4 with splint 12 places relatively and shell fragment 4 one end is located splint 12 one end under, avoids the error to press shell fragment 4 and makes its inner frame cover 11 break away from with outer frame cover 10 for shell fragment 4 is pressed down from one side of splint 12 more easily, the outline of lock pin subassembly 1 and tail cover 2 all cooperatees with the inner chamber profile of inner frame cover 11 for inner frame cover 11 is more stable with lock pin subassembly 1 joint, and the fixed effect of equipment is better.

Referring to fig. 2, as a further technical solution of the present invention, the ferrule assembly 1 includes a ferrule 101, a white inner core 102, a positioning sleeve 103, and a stop ring 104, the four are linearly connected, a spring 3 is sleeved outside the ferrule 101, one end of the white inner core 102 is inserted into the left end of the ferrule 101, the positioning sleeve 103 and the stop ring 104 are both sleeved on the ferrule 101, a dust cap 15 is sleeved outside the white inner core 102, an optical cable 16 is connected to the end of the positioning sleeve 103, the ferrule 101 and the white inner core 102 are both provided with an optical fiber hole 18 through which an optical fiber passes, a stop ring 19 for limiting the position of the spring 3 is provided on the ferrule 101, the white inner core 102 is inserted into the ferrule 101, the axis of the white inner core 102 and the axis of the ferrule 101 are ensured to be on the same straight line, so as to facilitate the subsequent insertion of the optical fiber, the positioning sleeve 103 and the stop ring 104 are sleeved on the ferrule 101 for limiting the position of the spring 3, to facilitate subsequent adjustment, the dust cap 15 is used to protect the optical fiber inside the white core 102, and the position limiting ring 19 is used to limit the position of the spring 3.

Referring to fig. 2 and 5, as a further technical solution of the present invention, the positioning hole 20 is disposed at the side of the positioning sleeve 103, the positioning hole 20 on the positioning sleeve 103 and the bar-shaped hole 9 on the inner frame 11 are located at the same side, and the positioning hole 20 is used in cooperation with the rear positioning block 21 to fix the positioning sleeve 103.

Refer to fig. 2, fig. 5, fig. 6 and show, as the utility model discloses further technical scheme, joint plane 6 with be equipped with recess 17 between the U-shaped

groove

5, 11 inside walls of inner frame cover are equipped with a pair of locating piece 21 of joining in marriage with locating hole 20, and recess 17's effect is convenient in the separation inner frame cover 11 and outer frame cover 10, makes things convenient for the finger to press and places, dismantles the separation more easily, and locating piece 21 joint is in locating hole 20 for inject inner frame cover 11 and locating sleeve 103's effect, thereby better assembly.

Refer to fig. 1 and fig. 3 for a further technical scheme of the utility model, cap head one side of dustproof cap 15 is equipped with the cambered surface 22 that is the hyperbola indent, does benefit to and extracts dustproof cap 15 when using, the opposite side of dustproof cap 15 is equipped with cascaded dustproof hole 23, inserts optic fibre in the dustproof hole 23, and optic fibre is placed in dustproof hole 23, has prevented that the dust from adsorbing on optic fibre, influences the use of optic fibre.

The utility model has the advantages of that: when specifically using, parts such as lock pin subassembly 1, tail pipe, spring 3 make up into a whole back, at first cup joint interior frame cover 11 on above-mentioned assembly, then make U-shaped snap ring 13 and trip 14 joint on the frame cover 10 on the U-shaped groove 5 and the joint plane 6 on the frame cover 11, realize spare parts such as interior frame cover 11 fixed assembly lock pin subassembly 1 with this, still can press shell fragment 4 on the interior frame cover 11, make interior frame cover 11 and frame cover 10 separation, reach the function of simple dismantlement, the utility model discloses when the equipment, faster, more stable, operating efficiency is higher, and is also more convenient for the installation of optic fibre is more high-efficient swift.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An LC pre-assembled connector comprises a ferrule assembly (1) and a tail sleeve (2), it is characterized in that an inner frame sleeve (11) is sleeved at the joint of the ferrule assembly (1) and the tail sleeve (2), the side surface of the left end of the inner frame sleeve (11) is provided with an elastic sheet (4), the right end of the inner frame sleeve (11) is provided with a U-shaped groove (5) and a limiting block (7) at the side edge of the U-shaped groove (5), the back surfaces of the inner frame sleeve (11) and the elastic sheet (4) are provided with clamping planes (6), the upper and lower surfaces of the inner frame sleeve (11) are provided with strip-shaped openings (8) near the right end part, the middle parts of the front and the back of the inner frame sleeve (11) are respectively provided with a strip-shaped hole (9), the right end of the inner frame sleeve (11) is sleeved with an outer frame sleeve (10), the side of the outer frame sleeve (10) is provided with a clamping plate (12), and the left end and the right end of the inner side of the outer frame sleeve (10) are respectively provided with a U-shaped clamping ring (13) and a paired clamping hook (14).

2. The LC preassembled connector of claim 1, wherein the U-shaped snap ring (13) and the hook (14) are respectively clamped on the U-shaped groove (5) and the clamping plane (6), the spring plate (4) and the clamping plate (12) are oppositely arranged, one end of the spring plate (4) is positioned right below one end of the clamping plate (12), and the outer contours of the ferrule assembly (1) and the tail sleeve (2) are matched with the inner cavity contour of the inner frame sleeve (11).

3. The LC preassembled connector of claim 1, wherein a groove (17) is provided between the clamping plane (6) and the U-shaped groove (5), and a pair of positioning blocks (21) matched with the positioning holes (20) are provided on the inner side wall of the inner frame sleeve (11).

4. The LC preassembled connector of claim 1, wherein the ferrule assembly (1) includes a ferrule (101), a white inner core (102), a positioning sleeve (103) and a snap ring (104), the four are linearly connected, the ferrule (101) is sleeved with a spring (3), one end of the white inner core (102) is inserted into the left end of the ferrule (101), and the positioning sleeve (103) and the snap ring (104) are sleeved on the ferrule (101).

5. The LC pre-assembled connector according to claim 4, wherein a dust cap (15) is sleeved outside the white inner core (102), an optical cable (16) is connected to the end of the positioning sleeve (103), the ferrule (101) and the white inner core (102) are both provided with optical fiber holes (18) through which optical fibers pass, and the ferrule (101) is provided with a limiting ring (19) for limiting the position of the spring (3).

6. The LC preassembled connector of claim 4, wherein the positioning hole (20) is formed in the side of the positioning sleeve (103), and the positioning hole (20) on the positioning sleeve (103) is located on the same side as the strip-shaped hole (9) on the inner frame sleeve (11).

7. The LC preassembled connector of claim 5, wherein one side of the head of the dust cap (15) is provided with a hyperbolic concave cambered surface (22), and the other side of the dust cap (15) is provided with a stepped dust-proof hole (23).