CN214225502U

CN214225502U - SC type optical fiber fixing front sleeve

Info

Publication number: CN214225502U
Application number: CN202120453774.5U
Authority: CN
Inventors: 周万波; 王跃华; 李冀闽
Original assignee: Zhejiang Shunlian Communication Technology Co ltd
Current assignee: Zhejiang Shunlian Communication Technology Co ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-09-17
Anticipated expiration: 2031-03-02

Abstract

The utility model discloses a fixed front cover of SC type optic fibre, its technical scheme main points are: including the cover body, cover body one side is provided with the plug, and the inside slot of having seted up of plug has seted up a plurality of caulking grooves on the internal perisporium of slot, is provided with the arch on the outer wall of plug both sides, sets up the deformation chamber that is linked together with the slot on the outer wall of plug both sides in addition. The utility model discloses an useful: because cover body one side is provided with the plug, and has seted up a plurality of caulking grooves on the slot internal perisporium of plug, when the installation spring holder, go into the intubate card on the spring holder in the slot to make the strengthening rib card on the intubate periphery wall go into the caulking groove thereupon, spacing through the caulking groove to the strengthening rib, make the spring holder difficult emergence after being connected with fixed protecgulum rotate, thereby be convenient for protruding and bayonet socket alignment, and then the spring holder installation of being convenient for.

Description

SC type optical fiber fixing front sleeve

Technical Field

The utility model relates to an optical fiber communication technical field, more specifically say, it relates to a fixed front cover of SC type optic fibre.

Background

The optical fiber connector is a device for detachable (movable) connection between optical fibers, and precisely butt-joints two end faces of the optical fibers so that light energy output by a transmitting optical fiber can be coupled into a receiving optical fiber to the maximum extent and the influence on a system caused by the optical fiber intervening in an optical link is minimized; according to the connector structural style can be divided into: FC. SC, ST, LC, D4, DIN, MU, MT and the like.

The SC type optical fiber connector in the prior art generally comprises an outer frame, a fixed front sleeve, a spring seat, a tail sleeve and a tail handle, wherein the fixed front sleeve is clamped inside the outer frame, bayonets are arranged on two sides of the spring seat, and protrusions for clamping the bayonets are arranged on two sides of the fixed front sleeve, wherein one end of the spring seat facing the fixed front sleeve is also provided with an insertion tube for inserting into the fixed front sleeve, a clamping groove for clamping one end of the fixed front sleeve is formed between the insertion tube and the spring seat, a plurality of reinforcing ribs protruding out of the outer wall of the insertion tube are further arranged on the outer peripheral wall of the insertion tube, a space for accommodating a spring is formed between the plurality of reinforcing ribs, the spring seat is clamped with the fixed front sleeve by clamping the bayonets, the tail sleeve is in threaded connection with the spring seat through a threaded structure inside one end close to the spring seat, and the tail handle is clamped on one end of the tail sleeve, because fixed front shroud and spring holder are simple joint, after the joint was accomplished, the spring holder took place rotatoryly in fixed front shroud easily to lead to protruding difficult and bayonet socket to aim at, increase the installation degree of difficulty of spring holder, waste time and energy.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a fixed front cover of SC type optic fibre that the difficult emergence of spring holder is rotatory.

The above technical purpose of the present invention can be achieved by the following technical solutions: the SC type optical fiber fixing front sleeve comprises a sleeve body, wherein a plug is arranged on one side of the sleeve body, a slot is formed in the plug, a plurality of caulking grooves are formed in the inner peripheral wall of the slot, protrusions are arranged on the outer walls of two sides of the plug, and a deformation cavity communicated with the slot is formed in the outer walls of the other two sides of the plug.

Through adopting the above technical scheme, because cover body one side is provided with the plug, and seted up a plurality of caulking grooves on the slot internal perisporium of plug, when the installation spring holder, go into the slot with the intubate card on the spring holder, thereby make the strengthening rib card on the intubate periphery wall go into in the caulking groove thereupon, spacing through the caulking groove to the strengthening rib, make the spring holder difficult emergence after being connected with fixed antetheca rotate, thereby be convenient for arch and bayonet socket are aimed at, and then the spring holder installation of being convenient for, because set up tangible variable chamber on the outer wall of plug both sides, make the in-process of bayonet socket is gone into to protruding card, the arch can be earlier with the inner wall contact of intubate, the offering in shape variable chamber makes the plug easily take place the deformation in deformation chamber department, thereby make the plug receive the extrusion deformation, and then make inside protruding card that can be smooth go into the bayonet socket, the installation of the spring holder of further being convenient for.

The utility model discloses further set up to: the one end that the cover body was kept away from to the arch is seted up the direction inclined plane.

Through adopting above-mentioned technical scheme, because protruding one end has seted up the direction inclined plane for when the protruding intubate lateral wall of contradicting, the protruding can be light inside the intubate through direction inclined plane card income, it is more convenient to install.

The utility model discloses further set up to: fillets are arranged on the inner walls of the two sides of the caulking groove in an inverted mode.

Through adopting above-mentioned technical scheme, because the fillet is equipped with on the inner wall of caulking groove both sides to the strengthening rib can be through the more light card income caulking groove of fillet on the caulking groove inner wall.

The utility model discloses further set up to: one end of the protrusion, which is far away from the guide inclined plane, is provided with a pressing surface, and the pressing surface is perpendicular to the surface of the plug.

By adopting the technical scheme, because the protruding other end is provided with the pressing surface perpendicular to the surface of the plug, after the protruding card is clamped into the bayonet, the pressing surface can be superposed with the inner side wall of the bayonet, the contact area between the protruding card and the inner wall of the bayonet is increased, and the connection stability of the spring seat and the fixed front sleeve is greatly improved.

The utility model discloses further set up to: the outer walls of the two sides of the sleeve body are provided with convex edges.

Through adopting above-mentioned technical scheme, because be provided with the bead on the external wall of cover body both sides, the setting up of bead makes when the frame is gone into to the cover body card, only need set up on the frame inside wall with bead assorted draw-in groove for the bead can go into in the draw-in groove, spacing through the draw-in groove to the bead, difficult emergence when making fixed front cover be connected with the frame is rotated, has further improved the connection stability of fixed front cover.

The utility model discloses further set up to: the sleeve body and the plug are both made of PBT materials.

By adopting the technical scheme, the plug and the sleeve body are both made of PBT materials, and the PBT has the characteristics of high strength, good toughness, stable size and the like, so that the plug and the sleeve body have good overall strength and toughness, are not easy to damage and fracture, and greatly prolong the service life of the plug and the sleeve body.

To sum up, the utility model discloses following beneficial effect has: because cover body one side is provided with the plug, and has seted up a plurality of caulking grooves on the slot internal perisporium of plug, when the installation spring holder, go into the intubate card on the spring holder in the slot to make the strengthening rib card on the intubate periphery wall go into the caulking groove thereupon, spacing through the caulking groove to the strengthening rib, make the spring holder difficult emergence after being connected with fixed protecgulum rotate, thereby be convenient for protruding and bayonet socket alignment, and then the spring holder installation of being convenient for.

Drawings

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

Reference numerals: 1. a sleeve body; 2. a plug; 3. a slot; 4. caulking grooves; 5. a protrusion; 6. a deformation chamber; 7. a guide slope; 8. round corners; 9. pressing the surface; 10. and (7) a rib.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1, an SC-type optical fiber fixing front sleeve includes a sleeve body 1, ribs 10 are disposed on outer walls of two sides of the sleeve body 1, a plug 2 is disposed on one side of the sleeve body 1, the sleeve body 1 and the plug 2 are made of PBT material, a slot 3 is disposed inside the plug 2, a plurality of caulking grooves 4 are disposed on inner peripheral walls of the slot 3, round corners 8 are disposed on inner walls of two sides of the caulking grooves 4, protrusions 5 are disposed on outer walls of two sides of the plug 2, a guiding inclined plane 7 is disposed at one end of each protrusion 5 away from the sleeve body 1, a pressing surface 9 perpendicular to the surface of the plug 2 is disposed at one end of each protrusion 5 away from the guiding inclined plane 7, and a deformation cavity 6 communicated with the slot 3 is disposed on outer walls of two other sides of the plug 2.

Because one side of the sleeve body 1 is provided with the plug 2, and the inner peripheral wall of the slot 3 of the plug 2 is provided with a plurality of caulking grooves 4, when the spring seat is installed, the inserting tube on the spring seat is clamped into the inserting groove 3, so that the reinforcing ribs on the outer peripheral wall of the inserting tube are clamped into the embedding grooves 4, the reinforcing ribs are limited by the caulking grooves 4, so that the spring seat is not easy to rotate after being connected with the fixed front sleeve, the protrusions 5 are convenient to align with the bayonets, the spring seat is convenient to mount, because the outer walls of the two sides of the plug 2 are provided with the variable cavities 6, in the process that the bulges 5 are clamped into the bayonets, the bulge 5 is firstly contacted with the inner wall of the intubation tube, the deformation cavity 6 is arranged to ensure that the plug 2 is easy to deform at the deformation cavity 6, thereby leading the plug 2 to be extruded and deformed, and then make protruding 5 can be smooth the card go into the bayonet socket inside, the installation of the further spring holder of being convenient for.

Because protruding 5 one end has been seted up direction inclined plane 7 for when protruding 5 contradicts the intubate lateral wall, protruding 5 can be light go into the intubate inside through direction inclined plane 7 card, it is more convenient to install.

Because the fillets 8 are arranged on the inner walls of the two sides of the caulking groove 4 in an inverted mode, the reinforcing ribs can be clamped into the caulking groove 4 more easily through the fillets 8 on the inner wall of the caulking groove 4.

Because the other end of the bulge 5 is provided with the pressing surface 9 perpendicular to the surface of the plug 2, after the bulge 5 is clamped into the bayonet, the pressing surface 9 can be superposed with the inner side wall of the bayonet, the contact area between the bulge 5 and the inner wall of the bayonet is increased, and the connection stability of the spring seat and the fixed front sleeve is greatly improved.

Because be provided with bead 10 on the outer wall of the 1 both sides of cover body, setting up of bead 10 makes when the frame is gone into to the 1 card of cover body, only need set up on the frame inside wall with bead 10 assorted draw-in groove for bead 10 can go into in the draw-in groove, spacing to bead 10 through the draw-in groove, difficult emergence when making fixed front cover be connected with the frame is rotated, has further improved the connection stability of fixed front cover.

Because the plug 2 and the sleeve body 1 are both made of PBT materials, the PBT has the characteristics of high strength, good toughness, stable size and the like, so that the plug 2 and the sleeve body 1 have good overall strength and toughness and are not easy to break and fracture, and the service life of the plug 2 and the sleeve body 1 is greatly prolonged.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An SC type optical fiber fixing front sleeve is characterized in that: including the cover body (1), cover body (1) one side is provided with plug (2), inside slot (3) of having seted up of plug (2), a plurality of caulking grooves (4) have been seted up on slot (3) internal perisporium, be provided with arch (5) on the outer wall of plug (2) both sides, set up on the outer wall of plug (2) both sides in addition and become chamber (6) that are linked together with slot (3).

2. An SC-type optical fiber fixing front cover according to claim 1, wherein: one end of the bulge (5) far away from the sleeve body (1) is provided with a guide inclined plane (7).

3. An SC-type optical fiber fixing front cover according to claim 1, wherein: fillets (8) are respectively arranged on the inner walls of the two sides of the caulking groove (4).

4. An SC-type optical fiber fixing front cover according to claim 2, wherein: one end of the protrusion (5) far away from the guide inclined plane (7) is provided with a pressing surface (9), and the pressing surface (9) is perpendicular to the surface of the plug (2).

5. An SC-type optical fiber fixing front cover according to claim 1, wherein: the outer walls of the two sides of the sleeve body (1) are respectively provided with a convex edge (10).

6. An SC-type optical fiber fixing front cover according to claim 1, wherein: the sleeve body (1) and the plug (2) are both made of PBT materials.