CN209656939U - A kind of optical fiber contact pins - Google Patents

Abstract

The utility model discloses a kind of optical fiber contact pins, it is characterized in that, including the first tube body, two contact pins, optical cable, multiple sealing rings, the outer wall at the both ends of the first tube body is recessed inwardly to be formed there are two notch, the middle part outer wall of first tube body, which is circumferentially recessed inwardly, is formed with multiple annular grooves, multiple annular grooves are equally spaced along the length direction of the first tube body, first tube body coaxially offers the first intercommunicating pore, two the second intercommunicating pores, first intercommunicating pore is connected with two notches, two the second intercommunicating pores are located at the both ends of the first intercommunicating pore, and second one end of intercommunicating pore be connected with the first intercommunicating pore, the other end is connected with the external world；Two contact pins are inserted in two the second intercommunicating pores respectively；Optical cable is built in the first intercommunicating pore, and the both ends of optical cable respectively penetrate two the second intercommunicating pores and are connected with two contact pins；Sealing ring is coaxial and part is embedded at corresponding annular groove.The utility model only needs a fixation that contact pin optical fiber can be realized in encapsulating.

Description

A kind of optical fiber contact pins

Technical field

The utility model relates to fiber optic connection technology fields, and in particular to a kind of optical fiber contact pins.

Background technique

Chinese Patent Application No. 201210194155.4 discloses a kind of pin component for optical fiber adaptor connector, including light Fine adaptor connector contact pin component is inserted including sheath and the forward flange disk and rear stub that are respectively arranged at sheath front and back ends Needle assemblies further include the forward and backward contact pin being assemblied in forward and backward ring flange respectively and the optical cable for connecting two contact pins, it is characterised in that: The forward and backward contact pin crimps respectively to be fixed in forward and backward ring flange, the rear stub and the sheath split settings, described The optical cable mounting hole being connected with the rear contact pin front end is equipped in rear stub, the rear end of the optical cable is fixedly arranged on optical cable mounting hole In, the optical cable is plugged in the inner hole of the sheath with the rear stub, and the contact pin component further includes in the light Cable is attached fixed fixed company to the rear stub and sheath after being plugged in the inner hole of the sheath with rear stub Binding structure, the forward flange disk are wholely set with the sheath, are equipped with and the preceding contact pin rear end phase in the forward flange disk Optical cable jack even, the front end of the optical cable coincide inserting in the optical cable jack.This optic fibre switching connector, which is used, to be inserted Needle assemblies need first to carry out encapsulating to preceding contact pin that preceding contact pin is fixed in forward flange disk, then to rear when being assembled Contact pin carries out encapsulating and rear contact pin is fixed in rear stub, and optical cable is finally inserted in the interior optical cable mounting hole of rear stub It is interior, encapsulating then is carried out to optical cable, optical cable is fixed in rear stub, front and back has carried out encapsulating three times altogether, before each encapsulating It requires for part to be fixed by fixture, needs to remove part from fixture after the completion of encapsulating, design unreasonable.

Utility model content

The purpose of the utility model is to overcome above-mentioned technical deficiencies, provide a kind of optical fiber contact pins, solve in the prior art Optical fiber contact pins component needs multiple encapsulating to realize the fixed technical problem of lock pin, optical fiber.

To reach above-mentioned technical purpose, the technical solution of the utility model provides a kind of optical fiber contact pins, which is characterized in that packet It includes:

First tube body, the outer wall at the both ends of first tube body are recessed inwardly to be formed there are two notch, first tube body Middle part outer wall be circumferentially recessed inwardly and be formed with multiple annular grooves, multiple annular grooves are along the length side of first tube body To being equally spaced, first tube body coaxially offers the first intercommunicating pore, two the second intercommunicating pores, first intercommunicating pore and two A notch is connected, and two second intercommunicating pores are located at the both ends of first intercommunicating pore, and described second One end of intercommunicating pore is connected with first intercommunicating pore, the other end is connected with the external world；

Two contact pins, two contact pins are inserted in two second intercommunicating pores respectively；

Optical cable, the optical cable is built in first intercommunicating pore, and the both ends of the optical cable respectively penetrate two described Two intercommunicating pores are simultaneously connected with two contact pins；

Multiple sealing rings, the sealing ring are arranged in a one-to-one correspondence with the annular groove, and the sealing ring is coaxial and part is embedding Set on the corresponding annular groove.

Compared with prior art, the beneficial effects of the utility model include: by setting two notches, the first intercommunicating pore, Two the second intercommunicating pores, lock pin are individually fixed in two the second through-holes, and optical cable is built in the first intercommunicating pore, and the both ends of optical cable point Two the second intercommunicating pores are not penetrated and are connected with two contact pins, when carrying out encapsulating, are first consolidated lock pin, optical cable, the first tube body It is fixed, glue then is injected from two indentation, theres simultaneously, an encapsulating realizes the fixation of lock pin, optical cable, the first tube body, without more It is secondary that clamping is carried out to lock pin, optical cable, the first tube body.

Detailed description of the invention

Fig. 1 is the schematic three dimensional views of the utility model；

Fig. 2 is the structural schematic diagram of the utility model；

Fig. 3 is the cross-sectional view of B-B line along Fig. 2；

Fig. 4 is the partial enlargement diagram in Fig. 3 at C；

Fig. 5 is the structural schematic diagram at another visual angle of the utility model；

Fig. 6 is the cross-sectional view of D-D line along Fig. 5；

Fig. 7 is the cross-sectional view of E-E line along Fig. 5；

Fig. 8 is the schematic three dimensional views of the first tube body, contact pin, optical cable and sealing ring in the utility model；

Fig. 9 is the partial enlargement diagram in Fig. 8 at F.

Specific embodiment

In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.

Embodiment one:

The utility model provides a kind of optical fiber contact pins, as shown in Figure 1 to 9, including the first tube body 1, two contact pin 2, light Cable 3, two casings 4, multiple sealing rings 5, the outer wall at the both ends of the first tube body 1 are recessed inwardly to be formed there are two notch 6, described to lack Mouth 6 constantly becomes larger along the direction size of the outer wall close to the first tube body 1, it is preferred that the section of the notch 6 is fan-shaped；First Outer wall at two notches 6 of tube body 1 is provided in the axial direction with external screw thread；The middle part outer wall of first tube body 1 is circumferentially recessed inwardly Multiple annular grooves are formed with, multiple annular grooves are equally spaced along the length direction of the first tube body 1, and the first tube body 1 coaxially offers First intercommunicating pore a1, two the second intercommunicating pore a2, the first intercommunicating pore a1 are connected with two notches 6, two institutes State the both ends that the second intercommunicating pore a2 is located at the first intercommunicating pore a1, and one end of the second intercommunicating pore a2 and described the One intercommunicating pore a1 is connected, the other end is connected with the external world.

Preferably, the diameter of the first intercommunicating pore a1 be less than the second intercommunicating pore a2 diameter, the first tube body 1 it is interior Wall is radially opened up there are two the first guide groove 7, and first guide groove 7 is set with the second intercommunicating pore a2, the one-to-one correspondence of notch 6 It sets, and one end of first guide groove 7 is connected with the notch 6, the other end is connected with the second intercommunicating pore a2.

Two contact pins 2 are inserted in two the second intercommunicating pore a2 respectively, and optical cable 3 is built in the first intercommunicating pore a1, And the both ends of optical cable 3 respectively penetrate two the second intercommunicating pore a2 and are connected with two contact pins 2.

The inner wall of two casings 4 is provided in the axial direction with internal screw thread, and two casings 4 are threadedly connected to the first tube body 1 respectively Both ends.

Sealing ring 5 is arranged in a one-to-one correspondence with the annular groove, and sealing ring 5 is coaxial and part is embedded at the corresponding ring Shape slot；Preferably, the quantity of the annular groove is three, and the quantity of sealing ring 5 is three.

The specific workflow of the utility model: it penetrates, and makes from the second intercommunicating pore a2 to by one end of optical cable 3 The one end for obtaining optical cable 3 is inserted in another second intercommunicating pore a2, and contact pin 2 is then inserted into corresponding second intercommunicating pore respectively A2, and make contact pin 2 corresponding with the both ends of optical cable 3, in this way when assembling optical cable, lock pin, push against lock pin, Bu Huicun Apertured situation occurs between lock pin and optical cable；Then the first tube body 1, contact pin 2, optical fiber are assemblied on fixture together, The first tube body 1, contact pin 2 are fixed by fixture, then pour into fixation into the first tube body 1 simultaneously by two notches 6 Glue, glue enters the first intercommunicating pore a1 from notch 6, and enters the second intercommunicating pore a2 from the first intercommunicating pore a1, passes through Two contact pins 2, optical cable 3 is fixed in glue, after the completion of to be filled, curing process is carried out to glue, then by the first tube body 1, contact pin 2, optical cable 3 are removed from fixture, and expendable is the fixation for completing contact pin 2, optical cable 3；It is led due to being provided with first Slot 7, when glue enter the first intercommunicating pore a1 when, glue the first guide groove 7 guiding role lower edge close to second intercommunicating pore The direction of a2 is mobile, and on the outer wall of optical cable 3, the glue enable facilitates opening stream of glue while mobile from the first guide groove 7 The second intercommunicating pore a2 of entrance prevent glue largely to 3 middle part of optical cable so that the both ends for being coated on optical cable 3 of glue more evenly Flowing；

The both ends that casing 4 is threadedly connected to after first tube body 1, contact pin 2, optical cable 3 first tube body 1 are removed, so that casing 4 Inner wall be completely covered the notch 6, the mode being connected through a screw thread is sealed to realizing at notch 6；Then sealing ring 5 is installed In the corresponding annular groove.

By the fan-shaped notch 6 of setting, enter in the first intercommunicating pore a1 from notch 6 convenient for glue；

Two contact pins 2 are connected by optical cable 3, solve that ceramic contact pin 2 is too long and bring mold manufacturing issue, by close Seal 5 realizes contact pin 2 and the sealing of existing optic fibre switching connector cooperates.

Embodiment two:

As shown in Figure 1 to 9, embodiment two is the same as example 1 place and is not illustrating, embodiment two and embodiment one The difference is that the inner wall of the first tube body 1 is radially opened up there are two the second guide groove 8, second guide groove 8 is located at institute The both ends of the inner wall of the first intercommunicating pore a1 are stated, and second guide groove 8 is arranged in a one-to-one correspondence with first guide groove 7, described Two guide grooves 8 and corresponding first guide groove 7 are distributed along the axisymmetrical of first tube body 1, and second guide groove 8 with The second intercommunicating pore a2 is connected；

Preferably, the height along the second guide groove 8 described in the direction close to the corresponding second intercommunicating pore a2 constantly becomes Greatly.

By the way that two the second guide grooves 8 are arranged, glue enters the first intercommunicating pore a1 and along the outer wall of optical cable 3, the first intercommunicating pore The inner wall of a1 is moved to bottom, and when glue moves at the second guide groove 8, under the guiding role of the second guide groove 8, glue is a large amount of The guiding movement along the second guide groove 8, a small amount of glue is mobile to the middle part of optical cable 3, and glue can be prevented poly- in 3 bottom of optical cable Collection prevents glue from largely pouring into the middle part of optical cable 3 and causes starved at glue waste and contact pin 2.

Specific embodiment of the present utility model described above does not constitute the restriction to scope of protection of the utility model. Any other various changes and modifications that any technical concept according to the present utility model is made should be included in practical In novel scope of protection of the claims.

Claims (5)

1. a kind of optical fiber contact pins characterized by comprising

First tube body, the outer wall at the both ends of first tube body are recessed inwardly to be formed there are two notch, in first tube body Portion's outer wall, which is circumferentially recessed inwardly, is formed with multiple annular grooves, length direction etc. of multiple annular grooves along first tube body Away from distribution, first tube body coaxially offers the first intercommunicating pore, two the second intercommunicating pores, first intercommunicating pore and two institutes It states notch to be connected, two second intercommunicating pores are located at the both ends of first intercommunicating pore, and second connection The one end in hole is connected with first intercommunicating pore, the other end is connected with the external world；

Two contact pins, two contact pins are inserted in two second intercommunicating pores respectively；

Optical cable, the optical cable is built in first intercommunicating pore, and the both ends of the optical cable respectively penetrate two described second and connect Through-hole is simultaneously connected with two contact pins；

Multiple sealing rings, the sealing ring are arranged in a one-to-one correspondence with the annular groove, and the sealing ring is coaxial and part is embedded at The corresponding annular groove.

2. optical fiber contact pins according to claim 1, which is characterized in that the outer wall edge of two indentation, theres of first tube body External screw thread is axially offered, the optical fiber contact pins further include two casings, and the inner wall of two described sleeve pipes is provided in the axial direction with interior Screw thread, two described sleeve pipes are threadedly connected to the both ends of first tube body respectively.

3. optical fiber contact pins according to claim 1, which is characterized in that the notch is along the outer wall close to first tube body Direction size constantly become larger.

4. optical fiber contact pins according to claim 1, which is characterized in that the section of the notch is fan-shaped.

5. optical fiber contact pins according to claim 1, which is characterized in that the diameter of first intercommunicating pore is less than described second The diameter of intercommunicating pore, the inner wall of first tube body are radially opened up there are two the first guide groove, first guide groove and described the Two intercommunicating pores, notch are arranged in a one-to-one correspondence, and one end of first guide groove is connected with the notch, the other end and described the Two intercommunicating pores are connected.