CN213365098U

CN213365098U - Low-loss optical fiber connector

Info

Publication number: CN213365098U
Application number: CN202022313373.8U
Authority: CN
Inventors: 苏锦
Original assignee: Shaanxi Huada Electronic Engineering Co ltd
Current assignee: Shaanxi Huada Electronic Engineering Co ltd
Priority date: 2020-10-17
Filing date: 2020-10-17
Publication date: 2021-06-04
Anticipated expiration: 2030-10-17

Abstract

The utility model discloses a low-loss optical fiber connector, female plug main part including public plug main part and public plug main part looks adaptation, public plug main part is close to the fixed contact pin that is provided with of one end of female plug main part, is equipped with the slot in the female plug main part, and the contact pin is pegged graft in the slot, and public plug main part is close to the one end of female plug main part and still fixes and be provided with two locating levers, and two locating levers set up based on the contact pin symmetry. This low-loss fiber connector through the location fit of fixture block and draw-in groove, can be so that the junction stable in structure of this connector is firm, solved in the prior art because of drawing to drag and take off the location ball to the spring compression pine and come out, receive easy contact failure behind the interference such as outside touching when leading to carrying out line connection near plug and jack, connect insecure problem, avoid the cable because of dragging the phenomenon that leads to the joint to become flexible and take place, the stability of connection is better.

Description

Low-loss optical fiber connector

Technical Field

The utility model relates to a connector technical field especially relates to a low-loss fiber connector.

Background

The optical fiber connector is a device for making detachable (movable) connection between optical fibers, and precisely butt-joints two end faces of the optical fibers so as to maximally couple the light energy output by the transmitting optical fiber into the receiving optical fiber and minimize the influence on the system caused by the optical fiber connector intervening in the optical link, which is the basic requirement of the optical fiber connector. To some extent, fiber optic connectors affect the reliability and performance of optical transmission systems.

The existing optical fiber connectors are various in types and different in structure. However, the basic structure of the optical fiber connectors of various types is consistent, that is, most of the optical fiber connectors generally adopt high-precision components (composed of three parts, namely two pins and a coupling tube) to realize the alignment connection of optical fibers.

Prior art patent CN211505966U discloses a novel low-loss cylindrical optical fiber connector, which comprises a male plug main body, a sliding plate and a female plug main body. However, the conventional optical fiber connector is not fixed firmly, and is easily loosened by compressing the positioning ball to the spring by pulling, so that the conventional optical fiber connector is easily in poor contact even after being subjected to external interference such as touching when the conventional optical fiber connector is connected with a circuit by abutting against the plug and the jack, and is greatly influenced by external environment, and the structure of the joint of the connector is not stable enough and is not firmly connected. Accordingly, one skilled in the art provides a low loss fiber optic connector to address the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a shortcoming in order to solve exist among the prior art, and a low-loss fiber connector that proposes.

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

a low-loss optical fiber connector comprises a male plug main body and a female plug main body matched with the male plug main body, wherein one end of the male plug main body, which is close to the female plug main body, is fixedly provided with a contact pin, the female plug main body is provided with a slot, the contact pin is inserted in the slot, one end of the male plug main body, which is close to the female plug main body, is also fixedly provided with two positioning rods, the two positioning rods are symmetrically arranged based on the contact pin, the end part of the female plug main body is provided with a socket and a positioning groove positioned at the right side of the socket, the positioning rods are inserted and positioned in the positioning grooves through the socket, one sides, which are far away from each other, of the two positioning grooves are respectively provided with a sliding cavity, the right side of the sliding cavity is provided with a squeezing cavity, a pressing block is slidably arranged on the inner wall at the right side of the, the inner wall of the top of the sliding cavity is provided with a groove, the groove is internally provided with a first pulley, the inner rotation of the extrusion cavity is provided with a second pulley, the sliding cavity is internally provided with a movable block in a sliding mode, the top of the movable block is fixedly connected with a pull rope, the other end of the pull rope sequentially passes through the first pulley, the second pulley and the pulley for transmission and is fixed to the top of a pressing block, a second spring is fixedly connected between the movable block and the inner wall of the top of the sliding cavity, a clamping block is fixedly arranged at the bottom of the movable block.

Preferably, the locating lever that is located the constant head tank contacts with the inner wall of constant head tank.

Preferably, the male plug main body and the female plug main body are in close contact with each other at one end close to each other.

Preferably, a transmission channel is arranged between the groove and the extrusion cavity, and the pull rope movably penetrates through the transmission channel.

Preferably, the right side of the pressing block is provided with a first sliding block, the inner wall of the right side of the extrusion cavity is provided with a first sliding groove, and the first sliding block is slidably mounted in the first sliding groove.

Preferably, the two sides of the movable block are provided with a second sliding block, the inner walls of the two sides of the sliding cavity are provided with a second sliding groove, and the second sliding block is slidably mounted in the second sliding groove.

Compared with the prior art, the beneficial effects of the utility model are that:

in the utility model, two press buttons are extruded simultaneously, so that the press rod drives the press block to move downwards and extrude the first spring, when the press block moves downwards, the movable block and the fixture block are pulled upwards through the pull rope and are extruded to the second spring, at the moment, the fixture block is not in the positioning groove, then the contact pin and the positioning rod of the end part of the male plug main body are respectively inserted into the slot and the positioning groove corresponding to the end part of the female plug main body, then the press buttons are loosened, the first spring and the second spring are reset, under the action of elastic force recovery, the movable block and the fixture block are pushed downwards in reverse, and therefore the fixture block is pushed downwards into the clamping groove on the positioning rod to be positioned;

to sum up, this low loss fiber connector through the location fit of fixture block and draw-in groove, can be so that the junction stable in structure of this connector is firm, has solved in the prior art and has dragged and take off the location ball to the spring compression pine and come out because of dragging, receives easy contact failure after the interference such as outside touching when leading to carrying out line connection near plug and jack, connects insecure problem, avoids the cable to take place because of dragging the phenomenon that leads to the joint not hard up, and the stability of connecting is better.

Drawings

Fig. 1 is a schematic structural diagram of a low-loss optical fiber connector according to the present invention;

FIG. 2 is an enlarged schematic view of part A of FIG. 1;

fig. 3 is a schematic structural view of the male plug body of the present invention.

In the figure:

1 male plug main body, 101 pins, 102 positioning rods and 103 clamping grooves;

2 female plug main body, 201 slot, 202 jack, 203 locating slot, 204 fixture block, 205 movable block, 206 pull rope, 207 pulley I, 208 pulley II, 209 pressure block, 210 spring I, 211 extrusion cavity, 212 sliding cavity, 213 slider I, 214 press button, 215 press rod, 216 groove and 217 spring II.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a low-loss optical fiber connector comprises a male plug main body 1 and a female plug main body 2 matched with the male plug main body 1, wherein a pin 101 is fixedly arranged at one end of the male plug main body 1 close to the female plug main body 2, a slot 201 is arranged on the female plug main body 2, the pin 101 is inserted into the slot 201, two positioning rods 102 are fixedly arranged at one end of the male plug main body 1 close to the female plug main body 2, the two positioning rods 102 are symmetrically arranged based on the pin 101, a socket 202 and a positioning groove 203 positioned at the right side of the socket 202 are arranged at the end part of the female plug main body 2, the positioning rods 102 are inserted and positioned in the positioning grooves 203 through the socket 202, a sliding cavity 212 is arranged at one side of the two positioning grooves 203 far away from each other, a squeezing cavity 211 is arranged at the right side of the sliding cavity 212, a pressing block 209 is slidably arranged on the inner wall at, the top fixedly connected with depression bar 215 of briquetting 209, the top of depression bar 215 runs through to the outside of female plug main part 2 and fixedly is provided with press button 214, be equipped with recess 216 on the top inner wall of slip chamber 212, the recess 216 internal rotation is provided with pulley 207, the internal rotation of extrusion chamber 211 is provided with pulley two 208, it is equipped with movable block 205 to slide in the chamber 212, the top fixedly connected with stay cord 206 of movable block 205, the other end of stay cord 206 loops through pulley one 207, pulley two 208 transmission is fixed at the top of briquetting 209, fixedly connected with spring two 217 between the top inner wall of movable block 205 and slip chamber 212, the fixed fixture block 204 that is provided with in bottom of movable block 205, be equipped with draw-in groove 103 on the locating lever 102, and the bottom of fixture block 204. This low-loss fiber connector, through the location fit of fixture block 204 and draw-in groove 103, can be so that the junction stable in structure of this connector is firm, solved in the prior art because of drawing to drag and take off the location ball to the spring compression pine and come out, receive easy contact failure behind the interference such as outside touching when leading to carrying out line connection near plug and jack, connect insecure problem, avoid the cable because of dragging the phenomenon that leads to the joint to become flexible and take place, the stability of connection is better.

Specifically, the positioning rod 102 located in the positioning groove 203 is in contact with the inner wall of the positioning groove 203.

Specifically, the end of the male plug body 1 close to the end of the female plug body 2 is in contact with each other.

Specifically, a transmission channel is arranged between the groove 216 and the extrusion cavity 211, and the pull rope 206 movably penetrates through the transmission channel.

Specifically, the right side of the pressing block 209 is provided with a first sliding block 213, the right inner wall of the extrusion cavity 211 is provided with a first sliding groove, and the first sliding block 213 is slidably mounted in the first sliding groove.

Specifically, the two sides of the movable block 205 are both provided with a second sliding block, the inner walls of the two sides of the sliding cavity 212 are both provided with a second sliding groove, and the second sliding block is slidably mounted in the second sliding groove.

The utility model provides a low-loss optical fiber connector, when male plug main part 1 is connected with female plug main part 2, two pressure buttons 214 on female plug main part 2 are extruded simultaneously, and then make depression bar 215 drive briquetting 209 move down and extrude spring one 210, briquetting 209 still upwards stimulates movable block 205 and fixture block 204 and extrudes spring two 217 through stay cord 206 when moving down, fixture block 204 is not in positioning groove 203 at this moment, then insert contact pin 101 and locating lever 102 of male plug main part 1 tip into slot 201 and positioning groove 203 that female plug main part 2 tip corresponds respectively, subsequently loosen pressure button 214 again, spring one 210 and spring two 217 all reset, under the effect of elasticity recovery, in turn make movable block 205 and fixture block 204 promote downwards again, thereby push fixture block 204 downwards to the positioning groove 103 on locating lever 102 in the location can, through the location cooperation of fixture block 204 and clamping groove 103 like this, can be so that the junction stable in structure of this connector firm, solve in the prior art and loosen the spring compression because of drawing to drag the ball of fixing a position and come out, lead to receiving easy contact failure behind interference such as outside touching when carrying out line connection near plug and jack, connect insecure problem, finally avoided the cable because of dragging the phenomenon that leads to the joint not hard up to take place, the stability of connection is better.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A low-loss optical fiber connector comprises a male plug main body (1) and a female plug main body (2) matched with the male plug main body (1), and is characterized in that one end, close to the female plug main body (2), of the male plug main body (1) is fixedly provided with a contact pin (101), the female plug main body (2) is provided with a slot (201), the contact pin (101) is inserted into the slot (201), one end, close to the female plug main body (2), of the male plug main body (1) is also fixedly provided with two positioning rods (102), the two positioning rods (102) are symmetrically arranged based on the contact pin (101), the end part of the female plug main body (2) is provided with a socket (202) and a positioning groove (203) positioned on the right side of the socket (202), the positioning rods (102) are inserted and positioned in the positioning grooves (203) through the socket (202), one side, far away from each other, of the two positioning, an extrusion cavity (211) is arranged on the right side of the sliding cavity (212), a pressing block (209) is slidably mounted on the inner wall of the right side of the extrusion cavity (211), a first spring (210) is fixedly connected between the pressing block (209) and the inner wall of the bottom of the extrusion cavity (211), a pressing rod (215) is fixedly connected to the top of the pressing block (209), the top end of the pressing rod (215) penetrates through the outer portion of the female plug main body (2) and is fixedly provided with a pressing button (214), a groove (216) is formed in the inner wall of the top of the sliding cavity (212), a first pulley (207) is rotatably arranged in the groove (216), a second pulley (208) is rotatably arranged in the extrusion cavity (211), a movable block (205) is slidably arranged in the sliding cavity (212), a pull rope (206) is fixedly connected to the top of the movable block (205), the other end of the pull rope (206) sequentially, a second spring (217) is fixedly connected between the movable block (205) and the inner wall of the top of the sliding cavity (212), a clamping block (204) is fixedly arranged at the bottom of the movable block (205), a clamping groove (103) is formed in the positioning rod (102), and the bottom of the clamping block (204) is arranged in the clamping groove (103).

2. The low loss fiber optic connector of claim 1, wherein the positioning rod (102) located within the positioning slot (203) contacts an inner wall of the positioning slot (203).

3. The low loss optical fiber connector according to claim 1, wherein the ends of the male plug body (1) and the female plug body (2) adjacent to each other are in abutting contact.

4. The low loss optical fiber connector according to claim 1, wherein a transmission channel is disposed between the recess (216) and the pressing cavity (211), and the pulling rope (206) is movably inserted through the transmission channel.

5. The low-loss optical fiber connector as claimed in claim 1, wherein the right side of the pressing block (209) is provided with a first sliding block (213), the right inner wall of the pressing cavity (211) is provided with a first sliding groove, and the first sliding block (213) is slidably mounted in the first sliding groove.

6. The low-loss optical fiber connector according to claim 1, wherein two sliding blocks (two) are disposed on two sides of the movable block (205), two sliding grooves (two) are disposed on two inner walls of the sliding cavity (212), and the two sliding blocks are slidably mounted in the two sliding grooves.