CN116643359B - An optical fiber docking device including an optical fiber adapter and an optical fiber connector - Google Patents

Abstract

The present application relates to the field of communication technology, and in particular to an optical fiber docking device including an optical fiber adapter and an optical fiber connector. The fiber optic adapter is used for docking with the fiber optic connector. The fiber optic adapter includes an adapter body, a spring component, a slider component, a steel ball, a connector and a stopper. The spring component includes a first spring and a second spring, and the first spring is disposed on On the outside of the adapter body, a second spring is disposed in a sliding groove of the adapter body; the slider assembly includes a first slider and a second slider, wherein the first slider is disposed away from the first spring away from the adapter body. At one end of the top end, the second slide block is arranged below the second spring in the sliding groove. The invention improves the locking force of the optical fiber adapter and the optical fiber connector when they are in a locked state.

Description

An optical fiber docking device including an optical fiber adapter and an optical fiber connector

Technical field

The present invention relates to the field of communication technology, and in particular to an optical fiber docking device including an optical fiber adapter and an optical fiber connector.

Background technique

In the existing technology, most fiber optic adapters and fiber optic connectors use a screw-type locking method. This locking method requires an operating space to be reserved around the fiber optic adapter and fiber optic connector. However, in some installation scenarios The smaller space makes operation more difficult. In order to solve the difficult operation problem caused by the screw-type locking method, the Chinese patent application with publication number CN114518623A discloses an optical fiber adapter and optical fiber connector assembly, which does not require screwing the optical fiber adapter or optical fiber connector. Locking can be achieved by directly inserting the optical fiber connector in the insertion direction; however, it only relies on one elastic member to achieve locking, and the locking force is relatively small, which can easily lead to accidental removal.

Contents of the invention

The object of the present invention is to provide an optical fiber docking device including an optical fiber adapter and an optical fiber connector, so as to improve the locking force of the optical fiber adapter and the optical fiber connector when they are in a locked state and reduce the occurrence of mis-pull-out.

According to the present invention, an optical fiber docking device including an optical fiber adapter and an optical fiber connector is provided. The optical fiber adapter is used for docking with the optical fiber connector. The optical fiber adapter includes an adapter body (1) and a spring assembly (4). , slider assembly (5), steel ball (6), connecting piece (7) and stopper (2).

The spring assembly (4) includes a first spring (41) and a second spring (42), wherein the first spring (41) is provided on the outside of the adapter body (1), and the second spring (42) (42) is provided in the sliding groove of the adapter body (1).

The slider assembly (5) includes a first slider (51) and a second slider (52), wherein the first slider (51) is disposed away from the first spring (41). At one end of the top of the adapter body (1), the second slider (52) is disposed below the second spring (42) in the sliding groove.

The connecting piece (7) is provided on the adapter body (1).

The stopper (2) is arranged on a thread at an end of the adapter body (1) away from the top end of the adapter body (1).

The optical fiber connector includes an unlocking piece (3) and a dust-proof assembly (8). The dust-proof assembly (8) includes a dust-proof cap (81) and a dust-proof cap sealing ring (82). The dust-proof cap sealing ring (82) 82) is arranged in the sealing groove of the dust cap (81), the unlocking piece (3) is sleeved on the outside of the dust cap (81) and can slide relative to the dust cap (81), and the unlocking piece (3) 3) The end away from the adapter body (1) is a curved surface.

The adapter body (1) has a cavity for receiving the optical fiber connector. When the optical fiber connector is inserted into the optical fiber adapter, the plug of the dust cap (81) pushes the second slider (52) moves in the insertion direction, the second spring (42) is compressed, and at the same time, the first spring (41) pushes the first slider (51), and the first slider (51) pushes the Steel balls (6) until the steel balls (6) are stuck in the annular groove provided on the dust cap (81), the optical fiber adapter and the optical fiber connector are in a locked state.

The present invention has at least the following beneficial effects:

The optical fiber adapter of the present invention includes a spring assembly. The spring assembly includes a first spring and a second spring. When the optical fiber connector is inserted into the optical fiber adapter, the plug of the dust cap pushes the second slider to move in the insertion direction, and the second spring is compressed. At the same time, the first spring pushes the first slider, and the first slider pushes the steel ball inward until the steel ball is stuck in the annular groove provided on the dust cap, and the optical fiber adapter and the optical fiber connector are in a locked state; in the present invention, the optical fiber adapter When the fiber optic connector is in a locked state, both the first spring and the second spring exert a clamping force on the steel ball, making it difficult for the fiber optic connector to be directly pulled out by external force, thereby reducing the occurrence of accidental pulling.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without exerting creative efforts.

Figure 1 is an exploded schematic diagram of an optical fiber adapter and an optical fiber connector provided by an embodiment of the present invention;

Figure 2 is a cross-sectional view of an optical fiber adapter and an optical fiber connector in a locked state according to an embodiment of the present invention;

Figure 3 is a cross-sectional view of the optical fiber adapter in a locked state provided by an embodiment of the present invention;

Figure 4 is a flow chart of a method for obtaining θ provided by an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of protection of the present invention.

According to the present invention, an optical fiber docking device including an optical fiber adapter and an optical fiber connector is provided. The optical fiber adapter is used for docking with the optical fiber connector. As shown in Figure 1, the optical fiber adapter includes an adapter body 1, a spring assembly 4, a sliding Block component 5, steel ball 6, connecting piece 7 and stop piece 2.

Optionally, the number of steel balls 6 is four, which are located at four directions of the circumference where the steel balls 6 are located.

The spring assembly 4 includes a first spring 41 and a second spring 42, wherein the first spring 41 is provided on the outside of the adapter body 1, and the second spring 42 is provided on the sliding side of the adapter body 1. in the groove.

The slider assembly 5 includes a first slider 51 and a second slider 52 , wherein the first slider 51 is provided at an end of the first spring 41 away from the top of the adapter body 1 , and the second slider 52 is disposed at an end of the first spring 41 away from the top of the adapter body 1 . A block 52 is arranged below the second spring 42 in the sliding groove.

The connecting piece 7 is provided on the adapter body 1 .

The stopper 2 is provided at the thread at an end of the adapter body 1 away from the top of the adapter body 1 .

According to the present invention, an optical fiber connector is used for docking with an optical fiber adapter. The optical fiber connector includes an unlocking member 3 and a dust-proof assembly 81. The dust-proof assembly 8 includes a dust-proof cap 81 and a dust-proof cap sealing ring 82. The dust-proof cap The sealing ring 82 is disposed in the sealing groove of the dust cap 81 . The unlocking piece 3 is sleeved on the outside of the dust cap 81 and can slide relative to the dust cap 81 . The unlocking piece 3 is away from the adapter body 1 One end is curved.

As shown in Figure 2, the adapter body 1 has a cavity for receiving the optical fiber connector. When the optical fiber connector is inserted into the optical fiber adapter, the plug of the dust cap 81 pushes the second The slider 52 moves in the insertion direction, and the second spring 42 is compressed. At the same time, the first spring 41 pushes the first slider 51 , and the first slider 51 pushes the steel ball 6 inward until the steel ball 6 It is stuck into the annular groove provided on the dust cap 81, and the optical fiber adapter and the optical fiber connector are in a locked state.

According to the present invention, one optical fiber head is arranged in the optical fiber adapter body 1 and the other is arranged in the dust cap 81. When the optical fiber connector is inserted into the optical fiber adapter, the two optical fiber heads come into contact to achieve communication.

As shown in Figure 3, when the optical fiber connector leaves the optical fiber adapter, the unlocking member 3 is pushed along the insertion direction, the first spring 41 is compressed, the steel ball 6 moves outward, and the The second spring 42 is released, and the second spring 42 pushes the second slider 52 so that the plug of the dust cap 81 pops out, and the optical fiber adapter and the optical fiber connector are in an unlocked state.

The optical fiber adapter of the present invention includes a spring assembly. The spring assembly includes a first spring 41 and a second spring 42. When the optical fiber connector is inserted into the optical fiber adapter, the plug of the dust cap 81 pushes the second slider 52 to move along the insertion direction. The spring 42 is compressed, and at the same time, the first spring 41 pushes the first slider 51, and the first slider 51 pushes the steel ball 6 inward until the steel ball 6 is stuck in the annular groove provided on the dust cap 81, and the optical fiber adapter and the optical fiber are connected. The device is in a locked state; in the present invention, when the optical fiber adapter and the optical fiber connector are in a locked state, both the first spring 41 and the second spring 42 exert a clamping force on the steel balls, so that the optical fiber connector is not easily pulled out directly by external force, reducing the The occurrence of misplugging.

The angle between the curved surface of the unlocking piece 3 and the central axis of the unlocking piece 3 is θ. As shown in Figure 2, the central axis is in the vertical direction. Optionally, θ is set according to the empirical value; preferably, considering the proposed optical fiber adaptation The size of the fiber optic adapter panel and the number of fiber optic adapters that need to be set on the fiber optic adapter panel to avoid the problem of being unable to set a specific number of fiber optic adapters on the fiber optic adapter panel due to the inappropriate size of the unlocking piece 3 in the fiber optic connector, during production Before installing fiber optic adapters and fiber optic connectors, first determine θ through simulation, as shown in Figure 4. The methods for obtaining θ include:

S100, obtain the length H and width L of the fiber optic adapter panel.

According to the present invention, in actual application scenarios, multiple fiber optic adapters need to be arranged on one fiber optic adapter panel, and the size of the fiber optic connector needs to match the size of the fiber optic adapter panel to avoid the failure of the fiber optic adapter due to the excessive size of the fiber optic connector. Some fiber optic adapters on the panel cannot connect to fiber optic connectors.

S200, obtain the row number A of the optical fiber adapter panel and set the optical fiber adapter, A = floor (L/W ₀ ), floor () is rounded down, and W ₀ is the initial size of the optical fiber connector.

Optional, W ₀ is the experience value.

S300: Obtain the column number B of the optical fiber adapter panel and set the optical fiber adapter, B=floor(H/W ₀ ).

S400, if A×B-n<0, enter S500; n is the number of optical fiber adapters to be arranged on the optical fiber adapter panel.

According to the present invention, if A×Bn≥0, it means that using W ₀ as the size of the optical fiber connector can meet the requirement that when n optical fiber adapters are arranged on the optical fiber adapter panel, all the optical fiber adapters can be inserted into the optical fiber connector. Here, In this case, W ₀ can be used as the size of the optical fiber connector (that is, the maximum width of the optical fiber connector) for production.

S500: Obtain the number of optical fiber adapters to be added in each row n ₀ =ceil((nA×B)/A)); ceil() is rounded up.

S600: Obtain the target size W ₁ of the optical fiber connector, W ₁ =H/(n ₀ +B).

S700, obtain θ = arctan ((W ₁ -X ₁ -2×X ₂ )/X ₀ ), X ₁ is the maximum radius of the dust cap, X ₂ is the material thickness of the unlocking piece, and X ₀ is The length of the connecting line between the two endpoints on the inside of the curved surface of the unlocking piece projected onto the central axis of the unlocking piece 3 .

As shown in Figure 2, the two endpoints on the inside of the curved surface of the unlocking piece are P1 and P2 respectively.

The production of fiber optic connectors based on the θ obtained from S100-S700 can avoid the situation where some fiber optic connectors cannot be inserted due to space constraints when n fiber optic adapters are set up on the fiber optic adapter panel.

Preferably, S600 and S700 also include:

S610, determine whether W ₁ satisfies W ₂ ≤ _{W 1} ≤ W ₃ , W ₂ < W ₃ ; W ₂ is the first preset size of the optical fiber connector, and W ₃ is the second preset size of the optical fiber connector. _{Assume the size ; W 2 = X 1 +2 ×} The minimum value of the angle with the central axis of the unlocking piece 3, θ ₂ is the preset maximum value of the angle between the curved surface of the unlocking piece and the central axis of the unlocking piece 3.

Optional, θ ₁ and θ ₂ are empirical values.

S620, if yes, execute S700.

S610 and S620 of the present invention also consider whether the optical fiber adapter panel matches n. Only when the optical fiber adapter panel matches n, the θ that can meet the requirement of setting n optical fiber adapters on the optical fiber adapter panel is obtained through S700.

Preferably, S620 also includes: if not, outputting preset information indicating that the fiber optic adapter panel does not match n and outputting information including the recommended fiber optic adapter panel size and/or the recommended number of fiber optic adapters.

Optional, the recommended fiber optic adapter panel dimensions include length W ₀ × (n ₀ +B) and width L, and the recommended number of fiber optic adapters is A × B.

S620 of the present invention also considers the situation where the optical fiber adapter panel does not match n, that is, no matter how θ is optimized, it cannot avoid the situation that when n optical fiber adapters are set on the optical fiber adapter panel, some optical fiber connectors cannot be inserted; in the optical fiber adapter panel When it does not match n, the present invention outputs preset information indicating that the fiber optic adapter panel does not match n, so that the user can learn the information that the fiber optic adapter panel does not match n. Moreover, the present invention also outputs the recommended Adapter panel size and/or recommended fiber optic adapter quantity information allows users to quickly obtain how to adjust the adapter panel size without changing the number of fiber optic adapters and/or how to adjust the fiber optic adapter without changing the fiber optic adapter panel size. quantity, improving user satisfaction.

Although some specific embodiments of the invention have been described in detail by way of examples, those skilled in the art will understand that the above examples are for illustration only and are not intended to limit the scope of the invention. It will also be understood by those skilled in the art that various modifications may be made to the embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (7)

1. An optical fiber docking device including an optical fiber adapter and an optical fiber connector, characterized in that the optical fiber adapter is used for docking with the optical fiber connector, and the optical fiber adapter includes an adapter body (1) and a spring assembly (4) , slider assembly (5), steel ball (6), connecting piece (7) and stopper (2); The spring assembly (4) includes a first spring (41) and a second spring (42), wherein the first spring (41) is provided on the outside of the adapter body (1), and the second spring (42) (42) is provided in the sliding groove of the adapter body (1); The slider assembly (5) includes a first slider (51) and a second slider (52), wherein the first slider (51) is disposed away from the first spring (41). At one end of the top of the adapter body (1), the second slider (52) is disposed below the second spring (42) in the sliding groove; The connecting piece (7) is provided on the adapter body (1); The stopper (2) is provided at the thread at one end of the adapter body (1) away from the top of the adapter body (1); The optical fiber connector includes an unlocking piece (3) and a dust-proof assembly (8). The dust-proof assembly (8) includes a dust-proof cap (81) and a dust-proof cap sealing ring (82). The dust-proof cap sealing ring (82) 82) is arranged in the sealing groove of the dust cap (81), the unlocking piece (3) is sleeved on the outside of the dust cap (81) and can slide relative to the dust cap (81), and the unlocking piece (3) 3) The end away from the adapter body (1) is a curved surface; The adapter body (1) has a cavity for receiving the optical fiber connector. When the optical fiber connector is inserted into the optical fiber adapter, the plug of the dust cap (81) pushes the second slider (52) moves in the insertion direction, the second spring (42) is compressed, and at the same time, the first spring (41) pushes the first slider (51), and the first slider (51) pushes the Steel balls (6) until the steel balls (6) are stuck in the annular groove provided on the dust cap (81), the optical fiber adapter and the optical fiber connector are in a locked state. 2. The optical fiber docking device including an optical fiber adapter and an optical fiber connector according to claim 1, characterized in that the angle between the curved surface of the unlocking member (3) and the central axis of the unlocking member (3) is θ, θ Obtaining methods include: S100, obtain the length H and width L of the fiber optic adapter panel; S200, obtain the row number A of the optical fiber adapter panel and set the optical fiber adapter, A=floor(L/W ₀ ), floor() is rounded down, and W ₀ is the initial size of the optical fiber connector; S300, obtain the column number B of the optical fiber adapter panel and set the optical fiber adapter, B=floor(H/W ₀ ); S400, if A×Bn<0, enter S500; n is the number of optical fiber adapters to be arranged on the optical fiber adapter panel; if A×Bn≥0, obtain θ=arctan((W ₀ -X ₁ -2×X ₂ )/X ₀ ); S500, obtain the number of optical fiber adapters to be added in each row n ₀ =ceil((nA×B)/A)); ceil() is rounded up; S600, obtain the target size W ₁ of the optical fiber connector, W ₁ =H/(n ₀ +B); S700, obtain θ = arctan ((W ₁ -X ₁ -2×X ₂ )/X ₀ ), X ₁ is the maximum radius of the dust cap (81), and X ₂ is the diameter of the unlocking piece (3) The material _thickness , 3. The optical fiber docking device comprising an optical fiber adapter and an optical fiber connector according to claim 1, characterized in that when the optical fiber connector leaves the optical fiber adapter, the unlocking member (3) is pushed along the insertion direction. ), the first spring (41) is compressed, the steel ball (6) moves outward, the second spring (42) is released, and the second spring (42) pushes the second slider ( 52), pop up the plug of the dust cap (81), and the optical fiber adapter and the optical fiber connector are in an unlocked state. 4. The optical fiber docking device including an optical fiber adapter and an optical fiber connector according to claim 2, characterized in that, between S600 and S700, it also includes: S610, determine whether W ₁ satisfies W ₂ ≤ _{W 1} ≤ W ₃ , W ₂ < W ₃ ; W ₂ is the first preset size of the optical fiber connector, and W ₃ is the second preset size of the optical fiber connector. _{Assume the size ; W 2 = X 1 +2 ×} The minimum value of the angle with the central axis of the unlocking piece (3), θ ₂ is the preset maximum value of the angle between the curved surface of the unlocking piece and the central axis of the unlocking piece (3); S620, if yes, execute S700. 5. The optical fiber docking device comprising an optical fiber adapter and an optical fiber connector according to claim 4, wherein S620 further includes: if not, outputting preset information and output indicating that the optical fiber adapter panel does not match n. Includes information on recommended fiber optic adapter panel sizes and/or recommended number of fiber optic adapters. 6. The optical fiber docking device comprising an optical fiber adapter and an optical fiber connector according to claim 5, characterized in that the recommended optical fiber adapter panel dimensions include a length of W ₀ × (n ₀ +B) and a width of L, and the recommended optical fiber adapter panel dimensions include The quantity is A×B. 7. The optical fiber docking device comprising an optical fiber adapter and an optical fiber connector according to claim 1, characterized in that the connecting member (7) is a connecting rope.