CN116148988A

CN116148988A - Optical communication module and optical communication connector

Info

Publication number: CN116148988A
Application number: CN202211538102.XA
Authority: CN
Inventors: 余铮; 徐杰; 詹鹏; 赵婷; 曾铮; 隋璐捷; 汪龙志; 周智睿; 李熙; 赵锦辉; 焦尧毅
Original assignee: Hubei Siji Technology Co ltd; Information and Telecommunication Branch of State Grid Hubei Electric Power Co Ltd
Current assignee: Hubei Siji Technology Co ltd; Information and Telecommunication Branch of State Grid Hubei Electric Power Co Ltd
Priority date: 2022-12-02
Filing date: 2022-12-02
Publication date: 2023-05-23

Abstract

The application relates to an optical communication module and an optical communication connector. The optical communication module and the optical communication connector comprise a lower shell and an upper shell, wherein the lower shell and the upper shell are mutually hinged, the inner wall of the lower shell is connected with a bearing block, the inner wall of the upper shell is connected with a limiting block, a limiting hole is formed in the contact position of the lower shell and the upper shell, the limiting hole is symmetrically arranged relative to the lower shell and the upper shell, a limiting mechanism is arranged on one side, close to the limiting hole, of the limiting block, and when the upper shell is in a closed state, the limiting mechanism extrudes a transmission line to the bearing block; this optical communication module and optical communication connector through rotating last casing and lower casing and being connected for the connector can be in the open state when carrying out the line connection, is convenient for arrange the circuit on the carrier block, has avoided when pegging graft the circuit in to the connector, causes transmission line end head to buckle, influences the signal transmission effect after the transmission line connection.

Description

Optical communication module and optical communication connector

Technical Field

The application belongs to the technical field of connectors, and particularly relates to an optical communication module and an optical communication connector.

Background

The transmission line communication connector is a movable joint which connects two transmission lines or optical cables to form an optical path and can be repeatedly assembled and disassembled, and is commonly used for connecting a light source with the transmission line, the transmission line with the transmission line and the transmission line with a detector; the optical communication module is an accessory for photoelectric conversion, is one of core devices in the field of optical communication transmission, and is commonly used in transmission line communication systems, optical information processing systems and optical instruments and meters in practical application processes, and a transmission line movable connector is commonly used for connecting transmission lines.

Chinese patent publication No. CN113009639B discloses an optical communication connector, in which, by placing a transmission line in the first branching hole in the first branching plate and the second branching hole in the second branching plate, the second branching plate is pressed down by a toggle plate, when the toggle plate rotates through a connecting shaft, the first extrusion rod is driven to move down, the second branching plate at the bottom of the first extrusion rod is located in the inner cavity, so that the first extrusion rod does not move and compresses the second compression spring through the second fixing column, and moves on the second fixing column, so that the first branching plate coincides with the second branching plate, and thus the transmission line located in the first branching hole and the second branching hole will not have a dispersion effect;

in the actual operation process, the end part of the transmission line is inconvenient to limit by adopting the mode, and when the transmission line is directly spliced into the connector, the end part of the transmission line is easy to bend due to stress, so that the connection effect of the line is affected.

Disclosure of Invention

An object of the embodiment of the application is to provide an optical communication module and an optical communication connector, which have simple structure and reasonable design.

In order to achieve the above purpose, the present application provides the following technical solutions:

the embodiment of the application provides an optical communication connector, including lower casing and last casing, lower casing and last casing are articulated each other, the inner wall of lower casing is connected with the carrier block, the inner wall of going up the casing is connected with the stopper, the spacing hole has been seted up with last casing contact position to lower casing, spacing hole sets up with last casing symmetry about lower casing, one side that the stopper is close to spacing hole all is provided with stop gear, when last casing is in closed condition, stop gear extrudees the transmission line towards the carrier block, the intermediate position of the side of articulated position is kept away from to lower casing and last casing is provided with the retaining member, the retaining member is used for locking last casing on lower casing.

As a further optimization scheme of the invention, the limiting mechanism comprises a pressing block, the pressing block is parallel to the joint end surface of the limiting block and the bearing block, the limiting block is symmetrically provided with a cavity for accommodating the limiting mechanism, the limiting block is also provided with a second cavity, the pressing block is symmetrically connected with a pin shaft, the end part of the pin shaft penetrates through the limiting block and extends into the second cavity, and limiting springs are sleeved outside the pin shaft.

As a further optimization scheme of the invention, the positions of the bearing blocks and the limiting block contact blocks corresponding to the pressing blocks are provided with the arrangement grooves and the through grooves, and the through grooves are mutually communicated with the arrangement grooves.

As a further optimization scheme of the invention, the pressing block is arranged at a position, close to the limiting hole, on the limiting block, and the outer wall of the transmission line is extruded by the pressing block to be close to the peeling position, a plurality of adjusting mechanisms are symmetrically arranged at the middle part of the limiting block, a setting cavity for setting the adjusting mechanisms is arranged at the middle part of the limiting block, when the outer wall of the transmission line is extruded by the pressing block, a gap is reserved between the outer wall of the peeling position of the transmission line and the limiting block, and the adjusting mechanisms adjust the position of the end part of the transmission line and limit the position.

As a further optimization scheme of the invention, the adjusting mechanism comprises a first rod and a second rod which are perpendicular to the contact surface of the bearing block and the limiting block, the first rod and the second rod are movably arranged on the bearing block, limiting pieces for limiting the moving directions of the first rod and the second rod are arranged in the bearing block, limiting parts are arranged on the limiting blocks at positions corresponding to the adjusting mechanism, the adjusting mechanism is matched with the limiting parts, and when the upper shell rotates until the limiting blocks are in contact with the bearing block, the limiting parts drive the first rod and the second rod to move to the minimum distance.

As a further optimization scheme of the invention, the limiting piece comprises a limiting column arranged on the inner side of the bearing block, a first cavity for accommodating the limiting column is formed in the bearing block, connecting blocks are fixed at the lower ends of the first rod and the second rod, the connecting blocks are sleeved on the limiting column, and a cylindrical stop block is arranged in the middle of the limiting column.

As a further optimization scheme of the invention, an elastic piece for driving the first rod and the second rod to reset is further arranged in the first cavity, and when the upper shell is opened to drive the limiting block to be separated from the bearing block, the elastic piece drives the first rod and the second rod to reset.

As a further optimization scheme of the invention, the elastic piece is a return spring, one end of the return spring is connected with the inner wall of the bearing block, and the other end of the return spring is connected with the first rod and the second rod.

As a further optimization scheme of the invention, the limiting part is a trapezoid groove arranged on the limiting block, the long side of the trapezoid groove is arranged close to the contact surface of the limiting block and the bearing block, and the length of the short side of the trapezoid groove is larger than or equal to the length of the stop block.

An optical communication module includes the optical communication connector, two sets of transmission lines connected to the optical communication connector, an optical receiver connected to an end of one set of transmission lines, and an optical transmitter connected to an end of the other set of transmission lines, for receiving and transmitting an optical signal.

Compared with the prior art, the beneficial effects of this application are: the upper shell and the lower shell are rotationally connected, so that the connector can be in an open state when the connector is connected with the circuit, the circuit is conveniently arranged on the bearing block, and the phenomenon that the end part of the transmission circuit is bent to influence the signal transmission effect after the connection of the transmission circuit when the circuit is spliced into the connector is avoided; through setting up stop gear in the stopper on be close to the position of last casing and lower casing to intermediate position department at the carrier block sets up adjustment mechanism, limits the position of transmission line not skinning when closing the last casing, prevents great pressure and the skew damage to the sinle silk of briquetting when the stopper upset, and the adjustment mechanism of setting up simultaneously can finely tune the end department of sinle silk, keeps two sets of sinle silk ends department just and be in contact state, makes the transmission line connect steadily.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the present invention in a circuit connection state;

FIG. 2 is a cross-sectional view of a carrier block and stopper of the present invention;

FIG. 3 is a schematic view of the upper housing of FIG. 2 in an open state in accordance with the present invention;

FIG. 4 is a schematic view showing the connection of the first and second rods to the spacing element of FIG. 2 according to the present invention;

fig. 5 is an enlarged view of fig. 2 a in accordance with the present invention.

In the figure: 1. a lower housing; 11. a locking member; 2. an upper housing; 3. a bearing block; 31. a placement groove; 32. a through groove; 33. a first cavity; 4. a limiting block; 401. a cavity; 41. briquetting; 42. a pin shaft; 43. a limit spring; 44. a second cavity; 45. a trapezoid groove; 46. a placement cavity; 5. an adjusting mechanism; 51. a first lever; 52. a second lever; 53. a connecting block; 54. a limiting piece; 541. a limit column; 542. a stop block; 55. an elastic member.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Example 1

As shown in fig. 1 to 3, an optical communication connector comprises a lower housing 1 and an upper housing 2, wherein the lower housing 1 and the upper housing 2 are hinged to each other, a bearing block 3 is connected to the inner wall of the lower housing 1, a limiting block 4 is connected to the inner wall of the upper housing 2, a limiting hole is formed in the contact position between the lower housing 1 and the upper housing 2, the limiting hole is symmetrically arranged with respect to the lower housing 1 and the upper housing 2, a limiting mechanism is arranged on one side of the limiting block 4 close to the limiting hole, when the upper housing 2 is in a closed state, the limiting mechanism extrudes a transmission line towards the bearing block 3, a locking member 11 is arranged in the middle position of the side of the lower housing 1 and the upper housing 2 away from the hinged position, and the locking member 11 is used for locking the upper housing 2 on the lower housing 1.

When the transmission line is connected, the existing connector needs to be penetrated into a connecting position from the outside of the shell, when the peeled line is penetrated into the connector, the line is easy to bend due to stress, the contact at the end of the line is unstable or can not be fully contacted, the signal transmission effect is affected, and in order to fully contact the line during connection, the signal transmission effect of the connection line is improved;

the locking piece 11 is used for connecting the upper shell 2 with the lower shell 1, so that the upper shell 2 and the lower shell 1 are prevented from being separated in the using process of the connector, and locking modes such as a buckle type mode, a bolt type mode and the like can be adopted in the specific implementation process.

Specifically, stop gear includes briquetting 41, and briquetting 41 is on a parallel with stopper 4 and carrier block 3 laminating terminal surface setting, and the cavity 401 of settling stop gear has been seted up to the symmetry on the stopper 4, and has still seted up second cavity 44 on the stopper 4, and the symmetry is connected with round pin axle 42 on the briquetting 41, and the tip of round pin axle 42 runs through stopper 4 and extends to in the second cavity 44, and the outside cover of round pin axle 42 is equipped with spacing spring 43.

It should be noted that, when the upper housing 2 is in an open state, the elastic force of the limiting spring 43 acts on the pressing block 41, so that the pressing block 41 protrudes from the contact surface of the limiting block 4 and the bearing block 3, after the arrangement of the circuit is completed, the upper housing 2 is turned over again to be closed, so that the pressing block 41 protrudes from the contact surface of the limiting block 4 and the bearing block 3, the pressing block 41 preferentially contacts with the circuit and limits the circuit, in a specific implementation process, after the circuit is arranged, an adhesive tape can be used for preliminarily fixing the circuit, and in the rotation process of the upper housing 2, the end part of the circuit is ensured not to deviate.

Specifically, the contact surface of the bearing block 3 and the limiting block 4 is provided with a positioning groove 31 and a through groove 32 at the position corresponding to the pressing block 41, and the through groove 32 is communicated with the positioning groove 31.

It should be noted that, the arrangement of the placement groove 31 can limit the peeling-free position at the line joint, the arrangement of the through groove 32 can limit the peeling-free (core) position at the line joint, and in the process of turning the upper shell 2, the line is preliminarily fixed without using an adhesive tape, so that the connection of the line is facilitated.

Example 2

In the above embodiment 1, although the arrangement of the circuit is facilitated, the bending of the circuit is prevented in the process of connecting the circuit and the stress at the end is too high, which affects the signal transmission effect after the circuit is connected, but in the process of fixing the circuit by turning the upper housing 2, the pressing block 41 is fixed on the limiting block 4, and the limiting block 4 is turned over together with the upper housing 2, the pressing block 41 is driven to generate a certain offset (the actual offset angle is proportional to the rotation angle of the limiting block 4) in the turning process, at this time, the pressing block 41 can generate a tiny offset when limiting the circuit, and further the offset at the end of the circuit is generated, so that the optimization is performed on the basis of the above embodiment, and the following is specifically:

as shown in fig. 1 to 5, the pressing block 41 is disposed at a position on the limiting block 4 near the limiting hole, the pressing block 41 extrudes the outer wall of the transmission line near the peeling position, a plurality of adjusting mechanisms 5 are symmetrically disposed at the middle of the limiting block 4, a placement cavity 46 for placing the adjusting mechanisms 5 is disposed at the middle of the limiting block 4, when the pressing block 41 extrudes the outer wall of the transmission line, a gap is reserved between the outer wall of the peeling position of the transmission line and the limiting block 4, and the adjusting mechanisms 5 adjust the position of the end part of the transmission line and limit the transmission line.

When the upper shell 2 is turned over to limit the end of the transmission line, the pressing block 41 is preferentially contacted with the part of the line, which is close to the end and is not peeled, and the line is extruded on the bearing block 3, so that the line peeling part is prevented from being excessively extruded, and the line peeling part is prevented from being rubbed and damaged when the bearing block 3 is deviated; and an adjusting mechanism 5 is arranged at the end of the transmission line, so that the end of the line is finely adjusted, the end of the line is kept right opposite, the end of the line is in stable contact, and the signal transmission effect after the connection of the transmission line is ensured.

Specifically, adjustment mechanism 5 includes perpendicular to carrier block 3 and stopper 4 contact surface setting's first pole 51 and second pole 52, and first pole 51 and second pole 52 are movable to be set up on carrier block 3, and the inside of carrier block 3 is provided with the locating part 54 that restricts first pole 51 and second pole 52 direction of movement, and the position department that corresponds adjustment mechanism 5 on the stopper 4 all is provided with spacing portion, and adjustment mechanism 5 and spacing portion mutually support, and when upper housing 2 rotated stopper 4 and carrier block 3 contact, spacing portion drive first pole 51 and second pole 52 moved to minimum distance.

Specifically, the limiting member 54 includes a limiting column 541 disposed on an inner side of the bearing block 3, the bearing block 3 is provided with a first cavity 33 for accommodating the limiting column 541, the lower ends of the first rod 51 and the second rod 52 are both fixed with a connecting block 53, the connecting block 53 is sleeved on the limiting column 541, and a cylindrical stop block 542 is disposed in the middle of the limiting column 541.

It should be noted that, the diameter of the transmission line after peeling at the position where the through groove 32 is close to the end of the transmission line is equal, the diameter of the other positions of the through groove 32 corresponding to the wire core is larger than the diameter of the wire core, so that the wire core can be supported by the bearing block 3 when being arranged, but not extruded by the limiting block 4, when being implemented, the limiting block 4 and the position where the bearing block 3 is close to the end of the wire core can limit the end of the transmission line in the upper and lower directions, when the transmission line is connected, the limiting block 4 is driven to overturn along with the upper shell 2, meanwhile, the limiting part arranged on the limiting block 4 is close to the first rod 51 and the second rod 52, when the pressing block 41 limits the part of the transmission line which is close to the connecting end and is not peeled, the limiting part drives the first rod 51 and the second rod 52 to be close to each other, and the first rod 51 and the second rod 52 are matched with the surface of the bearing block 3 and the limiting block 4 to limit the end of the transmission line, so as to prevent the peeling part of the transmission line from being damaged due to rubbing;

in a specific implementation process, the length of the stop 542 can be set to be the diameter of the wire core, so that the first rod 51 and the second rod 52 can be limited to move to the minimum distance, and the height of the trapezoid groove 45 is set according to the length of the first rod 51 and the second rod 52, so that when the limiting block 4 contacts with the bearing block 3, the trapezoid groove 45 can push the first rod 51 and the second rod 52 to move towards each other to the minimum distance.

Specifically, an elastic member 55 for driving the first rod 51 and the second rod 52 to reset is further disposed in the first cavity 33, and when the upper housing 2 is opened to drive the limiting block 4 to separate from the bearing block 3, the elastic member 55 drives the first rod 51 and the second rod 52 to reset.

Specifically, the elastic member 55 is a return spring, one end of which is connected to the inner wall of the carrier block 3, and the other end of which is connected to the first lever 51 and the second lever 52.

In order to further improve the convenience of the connector, an elastic member 55 is arranged in the bearing block 3 and used for resetting the first rod 51 and the second rod 52, so that the first rod 51 and the second rod 52 can be automatically reset when the upper shell 2 is opened, and the first rod 51 and the second rod 52 do not need to be separated and then are arranged in a circuit when the device is used, so that the operation is convenient.

Specifically, the limiting part is a trapezoid groove 45 arranged on the limiting block 4, the long side of the trapezoid groove 45 is close to the contact surface of the limiting block 4 and the bearing block 3, and the length of the short side of the trapezoid groove 45 is greater than or equal to the length of the stop block 542.

The trapezoid groove 45 is used to limit the first rod 51 and the second rod 52, so that the structure is simple, and the connector is convenient to manufacture.

An optical communication module, an optical communication connector, two sets of transmission lines connected to the optical communication connector, an optical receiver connected to an end of one set of transmission lines, and an optical transmitter connected to an end of the other set of transmission lines, is used for receiving and transmitting optical signals.

The optical communication connector, when in use: firstly, the restriction of the locking piece 11 on the upper shell 2 is canceled, and the upper shell 2 is turned over to be in an open state;

after the upper shell 2 is opened, the peeled transmission line is placed on the bearing block 3, the part of the transmission line, which is close to the end, and is not peeled is placed in the placement groove 31, the wire cores are placed in the through groove 32, and the end heads of the two groups of wire cores are opposite to and contacted with each other;

the transmission line is clamped to the position of the limiting hole at the lower shell 1, the upper shell 2 is turned over again, and in the process of turning over the upper shell 2, the pressing block 41 approaches to the part of the transmission line at the placement groove 31 and extrudes the transmission line on the bearing block 3;

while the stopper 4 is turned over along with the upper case 2, the trapezoidal groove 45 provided on the stopper 4 approaches the upper ends of the first and

second levers

51 and 52 until contacting the upper ends of the first and

second levers

51 and 52 and pushing the first and

second levers

51 and 52 to approach each other;

in the process, the first rod 51 and the second rod 52 are matched with the limiting block 4 and the part of the bearing block 3 close to the wire core end to limit the wire core end, so that the ends of the two groups of wire cores are always opposite and are in contact with each other;

finally, the upper housing 2 is locked to the lower housing 1 by the locking member 11.

When the connection of two groups of transmission lines is required to be disconnected: firstly, the locking of the locking piece 11 on the upper shell 2 is canceled, then the upper shell 2 is overturned, and the limiting block 4 is driven to overturned and the limiting block 4 is far away from the bearing block 3 when the upper shell 2 is overturned;

as the limiting block 4 is separated from the bearing block 3 and the distance gradually increases, the pressing block 41 drives the pin shaft 42 to slide on the limiting block 4 to an initial state (the length of the pin shaft 42 in the placement groove 31 is the largest in the initial state) under the pushing of the limiting spring 43 until the pressing block 41 is completely separated from the transmission line;

in this process, as the stopper 4 is far away from the carrier block 3, the first rod 51 and the second rod 52 slide along the sides of the trapezoid groove 45 under the pulling of the elastic member 55, and simultaneously drive the connection block 53 to slide on the stopper column 541 toward a position far away from the stopper 542 until the first rod 51 and the second rod 52 are restored to the original positions.

Finally, the transmission line is pulled out from the connector.

The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.

Claims

1. The utility model provides an optical communication connector, its characterized in that, including inferior valve body (1) and last casing (2), inferior valve body (1) and last casing (2) are articulated each other, the inner wall of inferior valve body (1) is connected with carrier block (3), the inner wall of going up casing (2) is connected with stopper (4), spacing hole has been seted up with last casing (2) contact position to inferior valve body (1), spacing hole sets up with last casing (2) symmetry about inferior valve body (1), stopper (4) all are provided with stop gear near one side of spacing hole, when last casing (2) are in the closed state, stop gear extrudees transmission line to carrier block (3), the intermediate position of the side of articulated position is kept away from to inferior valve body (1) and last casing (2) is provided with retaining member (11), retaining member (11) are used for locking last casing (2) on inferior valve body (1).

2. The optical communication connector according to claim 1, wherein the limiting mechanism comprises a pressing block (41), the pressing block (41) is parallel to the joint end face of the limiting block (4) and the bearing block (3), a cavity (401) for accommodating the limiting mechanism is symmetrically formed in the limiting block (4), a second cavity (44) is further formed in the limiting block (4), pin shafts (42) are symmetrically connected to the pressing block (41), the end portions of the pin shafts (42) penetrate through the limiting block (4) and extend into the second cavity (44), and limiting springs (43) are sleeved outside the pin shafts (42).

3. An optical communication connector as claimed in claim 2, wherein: the bearing block (3) and the limiting block (4) are provided with a mounting groove (31) and a through groove (32) at the positions corresponding to the pressing blocks (41), and the through groove (32) is communicated with the mounting groove (31).

4. An optical communication connector according to claim 3, wherein: the utility model discloses a transmission line, including transmission line, briquetting (41), adjustment mechanism (5), adjustment mechanism (4) and briquetting (41), briquetting (41) set up the position that is close to the spacing hole on stopper (4), and briquetting (41) extrusion transmission line outer wall is close to the position of skinning, the middle part symmetry of stopper (4) is provided with a plurality of adjustment mechanism (5), and the middle part of stopper (4) is equipped with settles chamber (46) of settling adjustment mechanism (5), when briquetting (41) extrusion transmission line outer wall, leave the clearance between outer wall and stopper (4) of the department of skinning of transmission line, adjustment mechanism (5) adjust the position of transmission line tip and restrict.

5. An optical communication connector as defined in claim 4, wherein: the adjusting mechanism (5) comprises a first rod (51) and a second rod (52) which are perpendicular to the contact surface of the bearing block (3) and the limiting block (4), the first rod (51) and the second rod (52) are movably arranged on the bearing block (3), a limiting piece (54) for limiting the moving direction of the first rod (51) and the second rod (52) is arranged in the bearing block (3), limiting parts are arranged on the limiting block (4) corresponding to the position of the adjusting mechanism (5), the adjusting mechanism (5) and the limiting parts are mutually matched, and when the upper shell (2) rotates to the contact of the limiting block (4) and the bearing block (3), the limiting parts drive the first rod (51) and the second rod (52) to move to the minimum distance.

6. An optical communication connector as defined in claim 5, wherein: the limiting piece (54) comprises a limiting column (541) arranged on the inner side of the bearing block (3), a first cavity (33) for accommodating the limiting column (541) is formed in the bearing block (3), connecting blocks (53) are fixed at the lower ends of the first rod (51) and the second rod (52), the connecting blocks (53) are sleeved on the limiting column (541), and a cylindrical stop block (542) is arranged in the middle of the limiting column (541).

7. An optical communication connector as defined in claim 6, wherein: an elastic piece (55) for driving the first rod (51) and the second rod (52) to reset is further arranged in the first cavity (33), and when the upper shell (2) is opened to drive the limiting block (4) to be separated from the bearing block (3), the elastic piece (55) drives the first rod (51) and the second rod (52) to reset.

8. An optical communication connector according to any one of claims 7, wherein: the elastic piece (55) is a return spring, one end of the return spring is connected with the inner wall of the bearing block (3), and the other end of the return spring is connected with the first rod (51) and the second rod (52).

9. An optical communication connector as defined in claim 8, wherein: the limiting part is a trapezoid groove (45) arranged on the limiting block (4), the long side of the trapezoid groove (45) is close to the contact surface of the limiting block (4) and the bearing block (3), and the length of the short side of the trapezoid groove (45) is greater than or equal to that of the stop block (542).

10. An optical communication module, characterized in that: an optical communication connector as claimed in any one of claims 1 to 9, two sets of transmission lines connected to the optical communication connector, an optical receiver connected to an end of one set of transmission lines, and an optical transmitter connected to an end of the other set of transmission lines for receiving and transmitting optical signals.