Compression-resistant joint for optical cable

Abstract

The utility model relates to the technical field of optical cable compression-resistant joints, in particular to a compression-resistant joint for an optical cable, which comprises a base, a rotating seat, a locking ring, an optical fiber connecting piece, an upper shell, a fixed seat, a fixed ring and a protective plate. A rotating seat is arranged above one end of the base and rotatably connected with the base, a locking ring is arranged at one end of the rotating seat, an optical fiber connecting piece is arranged on the inner side of the base, an upper shell is arranged above the other end of the base, a fixing seat is arranged on the outer side of the upper shell, a fixing ring is arranged on one side of the fixing seat, and a protection plate is arranged on the outer side of the fixing seat. The protection plate is slidably connected with the fixed seat; according to the utility model, by adding the telescopic protection mechanism, the protection structure can be extended out when the optical cable compression-resistant joint is not connected or not connected, so that the access end of the joint is completely immersed into the protection structure, the access end of the joint is protected, the damage to the access end of the joint is reduced, and the normal use of the joint is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of optical cable compression joint, especially to a compression joint for optical cable. BACKGROUND

[0002] The optical cable compression joint is an important component in the connection of optical cables, which can ensure the stability and integrity of the connection of optical cables under external pressure.

[0003] Most optical cable compression joints have compression resistance to wires, but the insertion end of the joint is often exposed, and the insertion end of the joint may be damaged by collision in the state that the joint is not connected to equipment, thereby affecting the normal use of the joint.

[0004] Therefore, in view of the above problems, a compression joint for optical cable can be designed, which increases a telescopic protection mechanism. When the optical cable compression joint is not connected or not wired, the protection mechanism can be extended to completely immerse the access end of the joint in the protection mechanism, thereby protecting the access end of the joint, reducing damage to the access end of the joint, and ensuring the normal use of the joint SUMMARY

[0005] In order to overcome the problem that most optical cable compression joints have compression resistance to wires, but the insertion end of the joint is often exposed, and the insertion end of the joint may be damaged by collision in the state that the joint is not connected to equipment, thereby affecting the normal use of the joint.

[0006] The technical scheme of the utility model is as follows: a compression joint for optical cable, comprising a base, a rotating seat, a locking ring, an optical fiber connecting piece, an upper shell, a fixing seat, a fixing ring and a protection plate; the rotating seat is arranged above one end of the base and rotationally connected to the base; the locking ring is arranged at one end of the rotating seat; the optical fiber connecting piece is arranged on the inner side of the base; the upper shell is arranged above the other end of the base; the fixing seat is arranged on the outer side of the upper shell; the fixing ring is arranged on one side of the fixing seat; the protection plate is arranged on the outer side of the fixing seat and slidingly connected to the fixing seat.

[0007] Preferably, the base accommodates the optical fiber connecting piece to connect the optical fiber; the rotating seat is rotated to open when connecting the wire, which is convenient for operators to operate; the locking ring is used to fix the base and the rotating seat after connection; the detachable upper shell is used to facilitate the installation or replacement of the optical fiber connecting piece; the fixing seat is used to fix the upper shell and the base; the fixing ring is used to fix the fixing seat and the base; and the movable protection plate is used to extend when the joint is not inserted into the equipment, thereby protecting the insertion end of the joint.

[0008] Preferably, the combined end of the base and the rotating seat is provided with a connecting thread, the other end of the base is also provided with a connecting thread, and the inner side of the base is provided with a plurality of anti-loosening protrusions.

[0009] As preferred, the two sides of the base are provided with rotating rods, one end of the rotating seat is rotationally connected with the rotating rods, and an opening is formed in the upper portion of the rotating seat.

[0010] As preferred, the inner side of the locking ring is provided with a connecting thread, the outer side of the locking ring is provided with an anti-skid thread, and the anti-skid thread surrounds the outer side of the locking ring.

[0011] As preferred, the spliced end of the upper shell and the rotating seat is provided with a connecting thread, the inner side of the fixing ring is provided with a connecting thread, and the outer side of the fixing ring is provided with an anti-skid thread.

[0012] As preferred, the outer side of the fixing seat is provided with four sets of limiting rods, the four sets of limiting rods are located on the four faces of the outer side of the fixing seat, and one side of the fixing seat is provided with a shielding plate.

[0013] As preferred, one side of the protection plate is provided with four sets of sliding plates, the sliding plates are made of polyethylene, one face of the sliding plates is provided with a sliding groove, limiting protrusions are arranged on the inner sides of the two ends of the sliding groove, and one face of the protection plate is provided with a through hole.

[0014] The utility model discloses the beneficial effects of:

[0015] 1, the protection plate and the fixing seat sliding connection, when the optical cable compression joint is not connected into equipment, can slide out the fixed ring and wrap the access end of the optical cable compression joint in, prevent the access end of the optical cable compression joint from the damage of knock, influence the normal use of the optical cable compression joint, when access, still can slide back the fixing seat manually, prevent the access of joint, enhanced the practical value of device. DRAWINGS

[0016] Figure 1 The utility model discloses a kind of stereoscopic structure schematic diagram of anti-pressure joint for optical cable, which is shown in the figure.

[0017] Figure 2 The utility model discloses a kind of stereoscopic structure schematic diagram of base of anti-pressure joint for optical cable, which is shown in the figure.

[0018] Figure 3 The utility model discloses a kind of stereoscopic structure schematic diagram of fixing seat of anti-pressure joint for optical cable, which is shown in the figure.

[0019] Figure 4 The utility model discloses a kind of stereoscopic structure schematic diagram of protection plate of anti-pressure joint for optical cable, which is shown in the figure.

[0020] Explanation of reference signs: 1, base; 101, rotating rod; 102, anti-loosening protrusion; 103, connecting thread; 2, rotating seat; 201, opening; 3, locking ring; 301, anti-skid line; 4, optical fiber connecting piece; 5, upper shell; 6, fixing seat; 601, limiting rod; 602, shielding plate; 7, fixing ring; 8, protection plate; 801, sliding plate; 802, sliding groove; 803, limiting protrusion; 804, through hole. DETAILED DESCRIPTION

[0021] The utility model is further explained below in combination with the drawings and examples.

[0022] Please refer to Figures 1-4 The utility model provides an example: a compression joint for optical cable, including base 1, rotating seat 2, locking ring 3, optical fiber connecting piece 4, upper shell 5, fixing seat 6, fixing ring 7 and protection plate 8, the top of one end of base 1 is provided with rotating seat 2, and rotating seat 2 is connected with base 1 to rotate, and one end of rotating seat 2 is provided with locking ring 3, and the inner side of base 1 is provided with optical fiber connecting piece 4, and the top of the other end of base 1 is provided with upper shell 5, and the outer side of upper shell 5 is provided with fixing seat 6, and one side of fixing seat 6 is provided with fixing ring 7, and the outer side of fixing seat 6 is provided with protection plate 8, and protection plate 8 is connected with fixing seat 6 to slide.

[0023] Please refer to Figure 2 In the embodiment, the spliced one end of base 1 and rotating seat 2 is provided with connecting thread 103, the other end of base 1 is also provided with connecting thread 103, the inner side of base 1 is provided with multiple groups of anti-loosening protrusions 102, the two sides of base 1 are provided with rotating rods 101, one end of rotating seat 2 is connected with rotating rod 101 to rotate, the top of rotating seat 2 is provided with opening 201, the inner side of locking ring 3 is provided with connecting thread 103, the outer side of locking ring 3 is provided with anti-skid line 301, and anti-skid line 301 surrounds the outer side of locking ring 3 once; locking ring 3 can be connected and fixed with base 1 and rotating seat 2 through connecting thread 103, the connection of wire and joint is prevented from loosening by using anti-loosening protrusion 102, one end of rotating seat 2 is connected with rotating rod 101 to rotate by using rotating rod 101, the operator can rotate and open rotating seat 2 to connect wire during installation, anti-skid effect is provided when locking ring 3 and fixing ring 7 are screwed by using anti-skid line 301, opening 201 is used to prevent rotating seat 2 from colliding with base 1, and the rotatable angle of rotating seat 2 is increased.

[0024] Please refer to Figure 4In the embodiment, four sets of limiting rods 601 are arranged on the outer side of the fixing seat 6, the four sets of limiting rods 601 are arranged on four sides of the outer side of the fixing seat 6, the fixing seat 6 is provided with a shielding plate 602 on one side, the protection plate 8 is provided with four sets of sliding plates 801 on one side, the sliding plates 801 are made of polyethylene, a sliding groove 802 is formed on one side of the sliding plate 801, limiting protrusions 803 are arranged on the inner sides of both ends of the sliding groove 802, and a through hole 804 is formed on one side of the protection plate 8; the protection plate 8 can slide to protect the joint by sliding of the limiting rods 601 in the sliding groove 802 of the sliding plate 801, the opening 201 is shielded by the shielding plate 602, the limiting protrusions 803 are used for limiting when the protection plate 8 moves to the limit state, the protection plate 8 is prevented from moving naturally, and the through hole 804 is used for avoiding conflict between the protection plate 8 and the joint access end when the protection plate 8 moves.

[0025] In the wiring process, the sliding plate 801 is lifted to make the sliding groove 802 leave the limiting rod 601, the protection plate 8 is separated from the fixing seat 6, the fixing ring 7 is unscrewed, the upper shell 5 is separated from the base 1, the locking ring 3 is unscrewed, the rotating seat 2 is pulled to make the rotating seat 2 rotate around the rotating rod 101 to open, the optical fiber is connected with the optical fiber connector 4, and all components are installed back to complete the wiring.

[0026] When the joint is not inserted, the protection plate 8 can be pulled outward, the limiting rod 601 slides in the sliding groove 802, the sliding plate 801 moves relative to the fixing seat 6, and the protection plate 8 moves; when the limiting rod 601 moves to the limiting protrusion 803, the pulling force is increased, the limiting rod 601 can press the sliding plate 801, the limiting rod 601 is made of plastic and has a certain deformation capacity, the limiting rod 601 moves to the other side of the limiting protrusion 803, the limiting protrusion 803 can limit the limiting rod 601 at this time, the protection plate 8 is prevented from moving naturally, the optical fiber connector 4 is completely located in the coverage range of the sliding plate 801 at this time, and the sliding plate 801 and the protection plate 8 can protect the extension end of the optical fiber connector 4.

[0027] Through the above steps, the base 1 is arranged to accommodate the optical fiber connector 4 to connect the optical fiber, the rotating seat 2 is used to rotate to open when the wire is connected, the operation of the operator is facilitated, the base 1 and the rotating seat 2 are fixed by the locking ring 3 after the connection is completed, the detachable upper shell 5 is used to facilitate installation or replacement of the optical fiber connector 4, the fixing seat 6 is used to fix the upper shell 5 and the base 1, the fixing ring 7 is used to fix the fixing seat 6 and the base 1, and the protection plate 8 is used to extend when the joint is not inserted into the equipment.

[0028] The embodiment of the utility model is explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiment, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A compression resistant joint for an optical cable comprising a base (1); characterized in that: It also includes rotating seat (2), locking ring (3), optical fiber connecting piece (4), upper shell (5), fixed seat (6), fixed ring (7) and protection plate (8); one end of the base (1) is provided with rotating seat (2), one end of the rotating seat (2) is provided with locking ring (3), the inner side of the base (1) is provided with optical fiber connecting piece (4), the other end of the base (1) is provided with upper shell (5), the outer side of the upper shell (5) is provided with fixed seat (6), one side of the fixed seat (6) is provided with fixed ring (7), the outer side of the fixed seat (6) is provided with protection plate (8).

2. A crush resistant joint for an optical cable according to claim 1, wherein: The spliced end of the base (1) and the rotating seat (2) is provided with a connecting thread (103), the other end of the base (1) is also provided with a connecting thread (103), and the inner side of the base (1) is provided with a plurality of anti-loosening protrusions (102).

3. A crush resistant joint for an optical cable according to claim 1, wherein: Both sides of the base (1) are provided with rotating rods (101), one end of the rotating seat (2) is rotatably connected with the rotating rods (101), and the upper side of the rotating seat (2) is provided with an opening (201).

4. A crush resistant joint for an optical cable according to claim 2, wherein: The inner side of the locking ring (3) is provided with a connecting thread (103), and the outer side of the locking ring (3) is provided with an anti-skid line (301) which surrounds the outer side of the locking ring (3) once.

5. A crush resistant joint for an optical cable according to claim 3, wherein: The spliced end of the upper shell (5) and the rotating seat (2) is provided with a connecting thread (103), the inner side of the fixed ring (7) is provided with a connecting thread (103), and the outer side of the fixed ring (7) is provided with an anti-skid line (301).

6. A crush resistant joint for an optical cable according to claim 1, wherein: The outer side of the fixed seat (6) is provided with four groups of limiting rods (601), and the four groups of limiting rods (601) are located on the four sides of the outer side of the fixed seat (6). One side of the fixed seat (6) is provided with a shielding plate (602).

7. A crush resistant joint for an optical cable according to claim 1, wherein: One side of the protection plate (8) is provided with four groups of sliding plates (801), the sliding plates (801) are made of polyethylene, one side of the sliding plates (801) is provided with a sliding groove (802), the inner sides of both ends of the sliding groove (802) are provided with limiting protrusions (803), and one side of the protection plate (8) is provided with a through hole (804).

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