TWM568385U - Optical fiber connector - Google Patents

Abstract

A fiber optic connector includes a first connecting unit and a second connecting unit. The first connecting unit comprises a housing, a socket inserted and fixed in the housing, a core tube inserted on the socket, and a set on the core tube and located in the core tube And a spring between the stems. The second connecting unit includes a sleeve detachably sleeved on the housing of the first connecting unit and covering the core tube, a base fixed in the housing, and a plug-in A cannula on the pedestal that is in contact with the core tube. The spring causes the core tube to be pushed toward the cannula. Since there is only one-way thrust, the contained fibers do not push each other toward each other, but one of the fibers is unidirectionally pushed against the other fiber, thereby avoiding the fiber. Concave folds and injuries.

Description

The optical fiber connector

The present invention relates to a connector, in particular to an optical fiber connector that connects optical fibers to each other.

Referring to FIG. 1, it is a waterproof optical fiber connector 1 whose main function is to connect an optical fiber connector 2. The optical fiber connector 1 includes an optical fiber adapter 11 and an optical fiber plug 12 detachably snapped on one end of the optical fiber adapter 11. The other end of the optical fiber adapter 11 without the optical fiber plug 12 is for inserting the optical fiber connector 2, so that the optical fiber connector 2 and the core tubes 21 and 121 of the optical fiber plug 12 are in contact with each other in the optical fiber adapter 11. In order to ensure that the optical fiber connector 2 and the core tubes 21 and 121 of the optical fiber plug 12 can abut each other, a spring (not shown) is generally provided in the optical fiber connector 2 to push the optical fiber connector 2 toward the optical fiber Plug 12. At the same time, the optical fiber plug 12 is also provided with a spring (not shown), so that the core tube 121 of the optical fiber plug 12 is ejected toward the optical fiber connector 2. The core tube 21 of the optical fiber connector 2 and the core tube 121 of the optical fiber plug 12 each contain optical fibers (not shown), but due to the elastic force generated by the two springs toward each other, it is easy to make the optical fibers in the two core tubes 21, 121 Pushing each other against each other, causing creases or injuries.

Therefore, the purpose of the present invention is to provide an optical fiber connector that can avoid the concave folding of the optical fiber.

Therefore, the novel optical fiber connector includes a first connection unit and a second connection unit detachably coupled to the first connection unit. The first connection unit includes a shell base, a tube base inserted and fixed in the shell base, a core tube inserted on the tube base, and a set of the core tube on the core tube And the spring between the tube seats. The second connection unit includes a shell sleeve detachably sleeved on the shell seat of the first connection unit and covering the core tube, a base fixed in the shell sleeve, and a plug-in A cannula on the base and in contact with the core tube.

Another object of the present invention is to provide another optical fiber connector that can prevent the optical fiber from buckling.

Therefore, the novel optical fiber connector includes a first connection unit and a second connection unit detachably coupled to the first connection unit. The first connection unit includes a shell seat, a tube seat inserted and fixed in the shell seat, and a core tube inserted on the tube seat. The second connection unit includes a shell sleeve detachably sleeved on the shell seat of the first connection unit and covering the core tube, a base fixed in the shell sleeve, and a socket inserted in the base A cannula on the seat and in contact with the core tube, and a set of elastic members disposed on the cannula and located between the cannula and the base.

The effect of the present invention is that the present invention only provides the spring on the first connection unit, or the elastic member only on the second connection unit, the former causes the core tube of the first connection unit to be pushed towards the The cannula of the second connection unit, the latter causes the cannula of the second connection unit to be pushed toward the core tube of the first connection unit, since there is only one-way thrust, the contained optical fibers will not push against each other, Instead, one of the optical fibers pushes against the other optical fiber in one direction, so the optical fiber can be prevented from being folded and damaged.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same number.

2 and 3, a first embodiment of the novel optical fiber connector 3 includes a first connection unit 4 and a second connection unit 5 for detachably inserting the first connection unit 4. The first connection unit 4 includes a housing 41, a tube base 42 inserted and fixed in the housing 41, a core tube 43 inserted on the tube base 42, and a set of the core tube 43 A spring 44 located between the core tube 43 and the base 42 and an insertion seat 45 covering the core tube 43 and sleeved on the base 42. An optical fiber transmission line 6 is connected to the rear end of the housing 41. The optical fiber 61 in the optical fiber transmission line 6 passes through the tube base 42 and the core tube 43 forward. The shell base 41 has a seat body portion 411 with a plurality of retaining rings 41 on the outer surface, and a positioning portion 413 connected to the seat body portion 411. The positioning part 413 is used for positioning the insertion base 45 and providing it for installation. The spring 44 is covered by the base 42 and both ends abut the base 42 and the core tube 43 respectively.

The second connection unit 5 includes a shell 51, a base 52 fixedly disposed in the shell 51, and a cannula 53 inserted on the base 52. The rear end of the casing 51 is connected to another optical fiber transmission line 6. The optical fiber 61 in the optical fiber transmission line 6 passes through the base 52 and the insertion tube 53 forward. The casing 51 has a casing portion 511, a sleeve portion 513 disposed at the end of the casing portion 511 and having a tubular shape and an internal thread 512 formed on the inner surface, and a sleeve portion 513 fixedly disposed in the sleeve portion 513 and having one end A coupling portion 514 that is detachably connected to the positioning portion 413 of the first connection unit 4 and a limiting portion 515 that is fixed in the housing portion 511 and is detachably connected to the other end of the coupling portion 514. When the buckle 412 for the shaft is not fastened, it can slide along the axial direction of the seat body portion 411, and when fastened, it is fixed on the seat body portion 411, and the sleeve portion 513 passes through the internal thread 512 and the seat The shafts of the body 411 are screwed to each other with the retaining ring 412; it should be noted that, in addition to being combined through the retaining ring 412 with the shafts, a corresponding internal thread may be formed on the outer surface of the seat body 411 The external thread of 512 is not limited to the aforementioned combination method. The limiting portion 515 is provided for the base 52 and the cannula 53.

In the first embodiment, the core tube 43 is pushed forward by the spring 44 to keep the core tube 43 and the cannula 53 in contact. The optical fibers 61 contained in the two can surely touch, and because it is the core tube 43 pushes unilaterally against the cannula 53, so it will not cause the optical fibers 61 to buckle or be damaged due to pushing against each other.

Referring to FIGS. 4 and 5, this is a second embodiment of the new optical fiber connector 3. This second embodiment is roughly the same as the first embodiment, except that the first connection unit 4 is not provided There is the spring 44 (see FIG. 2 ), and the second connection unit 5 further includes a set of elastic members 54 disposed on the cannula 53 and located between the cannula 53 and the base 52. In this second embodiment, the elastic member 54 is used to push the cannula 53 unidirectionally against the core tube 43, and the optical fibers 61 contained therein can also be kept in contact with each other, but the optical fibers 61 can not be concavely folded by being pushed against each other. And damage.

In summary, the two implementations of the present invention can prevent the core tube 43 and the cannula 53 from being simultaneously stressed against each other, thereby causing the optical fiber 61 to buckle or wear, so it can indeed be achieved The purpose of this new model.

However, the above are only examples of the new model. When the scope of the new model cannot be limited by this, any simple equivalent changes and modifications made according to the patent application scope and patent specification content of the new model are still regarded as Within the scope of this new patent.

3‧‧‧ fiber optic connector
4‧‧‧First connection unit
41‧‧‧Shell
411‧‧‧Body
412‧‧‧Shaft ring
413‧‧‧Positioning Department
42‧‧‧Tube
43‧‧‧Core tube
44‧‧‧Spring
45‧‧‧Socket
5‧‧‧Second connection unit
51‧‧‧Shell
511‧‧‧Housing
512‧‧‧ female thread
513‧‧‧Socket Department
514‧‧‧Joint
515‧‧‧Limiting Department
52‧‧‧Dock
53‧‧‧Intubation
54‧‧‧Elastic parts
6‧‧‧Optical fiber transmission line
61‧‧‧ Fiber

Other features and functions of the present invention will be clearly presented in the embodiment with reference to the drawings, in which: FIG. 1 is a perspective exploded view illustrating a conventional optical fiber connector; FIG. 2 is a perspective exploded view illustrating One of the first embodiments of the novel optical fiber connector; FIG. 3 is a top cross-sectional view illustrating the combined state of the first embodiment; FIG. 4 is an exploded perspective view illustrating the second of the novel optical fiber connector Embodiment; and FIG. 5 is a top cross-sectional view illustrating the combined state of the second embodiment.

Claims (6)

An optical fiber connector includes: a first connection unit, including a shell seat, a tube seat inserted and fixed in the shell seat, a core tube inserted in the tube seat, and a set of A spring on the core tube and located between the core tube and the base; and a second connection unit detachably coupled to the first connection unit, including a detachably sleeved on the first connection unit A shell sleeve covering the core tube on the shell seat, a base fixed in the shell sleeve, and a cannula inserted on the base and in contact with the core tube. The optical fiber connector according to claim 1, wherein the shell of the first connection unit has a body and a positioning part connected to the body, and the first connection unit further includes a mounting on the positioning The socket for the tube base and the core tube is provided in the inner part, the shell of the second connection unit has a shell part, a tubular socket part provided at the end of the shell part, and a fixed set A joint part in the socket part and one end detachably connected to the positioning part of the first connection unit, and a limiting part fixed in the housing part and detachably connected to the other end of the joint part and provided for the base . The optical fiber connector according to claim 2, wherein the outer surface of the base of the first connection unit is provided with a plurality of retaining rings for shafts, and the sleeve is formed on the inner surface to be screwable with the retaining rings for the shafts Internal thread. An optical fiber connector, comprising: a first connection unit, including a shell seat, a tube seat inserted and fixed in the shell seat, and a core tube inserted on the tube seat; and a second connection The unit is detachably coupled to the first connection unit, and includes a shell sleeve detachably sleeved on the shell seat of the first connection unit and covering the core tube, and a shell fixed in the shell sleeve A base, a cannula inserted on the base and in contact with the core tube, and a set of elastic members disposed on the cannula and located between the cannula and the base. The optical fiber connector according to claim 4, wherein the shell of the first connection unit has a body and a positioning part connected to the body, and the first connection unit further includes a mounting on the positioning The socket for the tube base and the core tube is provided in the inner part, the shell of the second connection unit has a shell part, a tubular socket part provided at the end of the shell part, and a fixed set A joint part in the socket part and one end detachably connected to the positioning part of the first connection unit, and a fixing part fixed in the housing part and detachably connected to the other end of the joint part and provided for the base and the cannula Of the limit. The optical fiber connector according to claim 5, wherein the outer surface of the base of the first connection unit is provided with a plurality of retaining rings for shafts, and the sleeve is formed on the inner surface to be screwable with the retaining rings for the shafts Internal thread.