CN208797947U - A kind of joint structure of optical time domain transmitter host and slave - Google Patents

Abstract

The utility model discloses the joint structures of a kind of optical time domain transmitter host and slave, include optical time domain transmitter host main body connector and splicer, two and half rotary table clamp arm on optical time domain transmitter host main body connector are inserted into the socket slot in splicer, after shell is contacted with the top opening of annular shield cover, roll-shell is threadedly coupled socket slot with two and half rotary table clamp arm, so that two and half rotary table clamp arm have slight contraction, so that the slide bar in Snap device slides into sliding sleeve, spring is compressed, therefore there is interior active force between two and half rotary table clamp arm and shell, to improve the tightness of joint structure；And after shell is closely connect with shield, the lateral wall fixing sleeve of annular shield cover is connected to the chamfering slot that tapered rubber seal is opened up with annular pressure cap and contacts with each other, the leakproofness of annular shield cover and housing interface is improved, and improves the waterproof and dust reduction capability of interface structure.

Description

A kind of joint structure of optical time domain transmitter host and slave

Technical field

The utility model relates to a kind of joint structure, the connector knot of specifically a kind of optical time domain transmitter host and slave Structure.

Background technique

Optical time domain reflectometer is the uniformity that optical fiber is understood by the analysis to experiment curv, defect, fracture, connector coupling The instrument of several performances such as conjunction.It can be used for measuring optical fiber attenuation, splicing loss, fiber failure point location and understands optical fiber edge Loss distribution situation of length etc., be optical cable construction, maintenance and monitoring in essential tool.

And optical time domain transmitter host and slave are poor in joint stability, often because optical time domain transmitter host and from The joint of machine, which occurs to loosen, to cause, and equipment monitoring is ineffective, after a certain time, optical time domain transmitter host connector and Slave is easy to appear the phenomenon that nature loosens in joint, while optical time domain transmitter host and slave are in the leakproofness of joint Difference.

Utility model content

In view of the above shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a kind of not only installation sides Just, the tightness of joint structure is good, joint leakproofness is excellent, and when interface structure has the light of waterproof and dust reduction capability The joint structure of domain transmitter host and slave.

To achieve the above object, the utility model provides the following technical solutions:

A kind of joint structure of optical time domain transmitter host and slave, including optical time domain transmitter host main body connector and Splicer, the optical time domain transmitter host main body connector is by mounting base, link block, half rotary table clamp arm, rubber pad one and ring Shape shield composition, the mounting base are fixedly mounted in the splice cavity that optical time domain transmitter host main body opens up, mounting base It inside opens up fluted, is fixedly mounted that there are two symmetrical and vertically disposed link block, the upper tables of two link blocks in groove Face is fixedly installed with half rotary table clamp arm, and two half rotary table clamp arm are disposed opposite to each other and surface offers screw thread, and two and half The top of rotary table clamp arm is fixedly installed with rubber pad one, sets between two link blocks and flicks dress there are two symmetrical It sets, and two Snap devices are in the edge of two link blocks, the outer surface fixing sleeve of the mounting base is connected to annular shield Cover；The splicer is made of shell, socket slot and rubber pad two, and the bottom wall of the shell offers vertically disposed socket Slot, the inner sidewall of socket slot offers the thread groove to match with half rotary table clamp arm, and the inner roof wall of socket slot is fixedly installed with Rubber pad two.

Further, the Snap device is made of sliding sleeve, slide bar and spring, and one end of the sliding sleeve is fixedly mounted on one The inner sidewall of a link block, is inserted with the slide bar being slidably connected in sliding sleeve, the other end of slide bar extend sliding sleeve and and another The inner sidewall of link block is fixedly connected, and string has a spring on the sliding sleeve and slide bar, the both ends of spring respectively with two link blocks Inner sidewall is fixedly connected.

Further, the lateral wall fixing sleeve of the annular shield cover is connected to tapered rubber seal.

Further, the lateral wall fixing sleeve of the shell is connected to annular pressure cap, and annular pressure cap offers and tapered rubber The chamfering slot that glue sealing ring is mutually matched.

Compared with prior art, the utility model has the beneficial effects that

1, two and half rotary table clamp arm on optical time domain transmitter host main body connector are inserted into connector by the utility model In socket slot in device, after shell is contacted with the top opening of annular shield cover, roll-shell makes socket slot and two Half rotary table clamp arm is threadedly coupled, so that the slide bar in Snap device slides into sliding sleeve, while spring is compressed, therefore two Half rotary table clamp arm has opposite thrust, has interior active force between two and half rotary table clamp arm and shell, to improve joint structure Tightness and stability, while it is convenient to install combination.

2, after shell is closely connect with shield, the lateral wall fixing sleeve of annular shield cover is connected to tapered the utility model The chamfering slot that rubber seal is opened up with annular pressure cap contacts with each other, to improve the close of annular shield cover and housing interface Feng Xing, to improve the waterproof and dust reduction capability of interface structure.

Detailed description of the invention

Fig. 1 is a kind of separate structure schematic diagram of the joint structure of optical time domain transmitter host and slave.

Fig. 2 is that a kind of optical time domain transmitter host is connected with optical time domain transmitter host main body middle in the joint structure of slave The schematic diagram of internal structure of mouth.

Fig. 3 is the structural schematic diagram of Snap device in the joint structure of a kind of optical time domain transmitter host and slave.

Fig. 4 is a kind of schematic diagram of internal structure of the joint structure center tap device of optical time domain transmitter host and slave.

Fig. 5 is a kind of attachment structure schematic diagram of the joint structure of optical time domain transmitter host and slave.

Fig. 6 is optical time domain transmitter host main body connector in the joint structure of a kind of optical time domain transmitter host and slave The schematic cross-sectional view being connect with splicer.

In figure: 1, optical time domain transmitter host main body connector；101, mounting base；102, link block；103, half rotary table presss from both sides Arm；104, rubber pad one；105, annular shield cover；2, splicer；201, shell；202, socket slot；203, rubber pad two；3, bullet Opening apparatus；301, sliding sleeve；302, slide bar；303, spring；4, tapered rubber seal；5, annular pressure cap.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1~6, in the utility model embodiment, a kind of joint structure of optical time domain transmitter host and slave, Including optical time domain transmitter host main body connector 1 and splicer 2, optical time domain transmitter host main body connector 1 is by mounting base 101, link block 102, half rotary table clamp arm 103, rubber pad 1 and annular shield cover 105 form, and mounting base 101 is fixedly mounted It in the splice cavity that optical time domain transmitter host main body opens up, opens up fluted in mounting base 101, is fixedly installed in groove Two symmetrical and vertically disposed link blocks 102, the upper surface of two link blocks 102 are fixedly installed with half rotary table clamp arm 103, two and half rotary table clamp arm 103 are disposed opposite to each other and surface offers screw thread, and the top of two and half rotary table clamp arm 103 is fixed Rubber pad 1 is installed, is set between two link blocks 102 there are two symmetrical Snap device 3, Snap device 3 is by sliding Set 301, slide bar 302 and spring 303 form, and one end of sliding sleeve 301 is fixedly mounted on the inner sidewall of a link block 102, sliding sleeve Be inserted with the slide bar 302 being slidably connected in 301, the other end of slide bar 302 extend sliding sleeve 301 and with another link block 102 Inner sidewall be fixedly connected, string has a spring 303 on sliding sleeve 301 and slide bar 302, the both ends of spring 303 respectively with two link blocks 102 inner sidewall is fixedly connected, and two Snap devices 3 are in the edge of two link blocks 102, the appearance of mounting base 101 Face fixing sleeve is connected to annular shield cover 105, and the lateral wall fixing sleeve of annular shield cover 105 is connected to tapered rubber seal 4.

Splicer 2 is made of shell 201, socket slot 202 and rubber pad 2 203, and the bottom wall of shell 201, which offers, vertically to be set The socket slot 202 set, the inner sidewall of socket slot 202 offer the thread groove to match with half rotary table clamp arm 103, and socket slot 202 inner roof wall is fixedly installed with rubber pad 2 203, and the lateral wall fixing sleeve of shell 201 is connected to annular pressure cap 5, and annular pressure Cap 5 offers the chamfering slot being mutually matched with tapered rubber seal 4.

Diameter of the socket slot 202 close to top is more smaller than the diameter of two and half rotary table clamp arm 103.

When being attached to connector, referring to Fig. 6, by two on optical time domain transmitter host main body connector 1 Half rotary table clamp arm 103 is inserted into the socket slot 202 in splicer 2, until shell 201 and the top of annular shield cover 105 are opened After mouth contact, roll-shell 201 is threadedly coupled socket slot 202 with two and half rotary table clamp arm 103, simultaneously because two semicircles The relationship that platform clamp arm 103 is threadedly coupled with socket slot 202, so that two and half rotary table clamp arm 103 have slight contraction, so that flicking Slide bar 302 in device 3 slides into sliding sleeve 301, while spring 303 is compressed, therefore two and half rotary table clamp arm 103 have phase Anti- thrust has interior active force between two and half rotary table clamp arm 103 and shell 201, to improve the tightness of joint structure (it can reduce optical time domain transmitter host main body connector 1 and the phenomenon that splicer 2 loosens naturally, will not influence optical time domain hair Penetrate separating for instrument host main body connector 1 and splicer 2)；And after shell 201 is closely connect with shield 105, annular shield The lateral wall fixing sleeve of cover 105 is connected to the chamfering slot that tapered rubber seal 4 is opened up with annular pressure cap 5 and contacts with each other, to mention The high leakproofness of annular shield cover 105 and 201 interface of shell, and improve interface structure waterproof and dust-proof function Energy.

When being separated to connector, referring to Fig. 1, roll-shell 201 slides into annular shield cover until shell 201 After 105, shell 201 is extracted outward.

It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (4)

1. a kind of joint structure of optical time domain transmitter host and slave, including optical time domain transmitter host main body connector (1) With splicer (2), which is characterized in that the optical time domain transmitter host main body connector (1) is by mounting base (101), link block (102), half rotary table clamp arm (103), rubber pad one (104) and annular shield cover (105) composition, the mounting base (101) are fixed It is mounted in the splice cavity that optical time domain transmitter host main body opens up, fluted, fixation in groove is opened up in mounting base (101) There are two symmetrical and vertically disposed link block (102), the upper surface of two link blocks (102) is fixedly installed with for installation Half rotary table clamp arm (103), two half rotary table clamp arm (103) are disposed opposite to each other and surface offers screw thread, two and half rotary tables The top of clamp arm (103) is fixedly installed with rubber pad one (104), sets that there are two symmetrical between two link blocks (102) The Snap device (3) of distribution, and two Snap devices (3) are in the edge of two link blocks (102), the mounting base (101) outer surface fixing sleeve is connected to annular shield cover (105)；The splicer (2) by shell (201), socket slot (202) and Rubber pad two (203) composition, the bottom wall of the shell (201) offer vertically disposed socket slot (202), socket slot (202) Inner sidewall offer the thread groove to match with half rotary table clamp arm (103), and the inner roof wall of socket slot (202) is fixedly installed with Rubber pad two (203).

2. the joint structure of a kind of optical time domain transmitter host and slave according to claim 1, which is characterized in that described Snap device (3) is made of sliding sleeve (301), slide bar (302) and spring (303), and one end of the sliding sleeve (301) is fixedly mounted on The inner sidewall of one link block (102), is inserted with the slide bar (302) being slidably connected in sliding sleeve (301), slide bar (302) it is another End is extended sliding sleeve (301) and is fixedly connected with the inner sidewall of another link block (102), the sliding sleeve (301) and slide bar (302) there is spring (303) string on, the both ends of spring (303) are fixedly connected with the inner sidewall of two link blocks (102) respectively.

3. the joint structure of a kind of optical time domain transmitter host and slave according to claim 1, which is characterized in that described The lateral wall fixing sleeve of annular shield cover (105) is connected to tapered rubber seal (4).

4. the joint structure of a kind of optical time domain transmitter host and slave according to claim 1, which is characterized in that described The lateral wall fixing sleeve of shell (201) is connected to annular pressure cap (5), and annular pressure cap (5) offers and tapered rubber seal (4) The chamfering slot being mutually matched.