CN220526043U - Cable connector - Google Patents

Abstract

The utility model provides a cable connector, which comprises: the first connecting component, the first protective tube, the second connecting component and the second protective tube; one end of the first connecting component is fixedly connected with one end of the second connecting component so as to surround a butt joint chamber, and the butt joint chamber is used for providing space for realizing butt joint of cables; the first protection tube is fixedly connected with the other end of the first connecting component, which is away from the second connecting component, and the second protection tube is fixedly connected with the other end of the second connecting component, which is away from the first connecting component; the inner channel of the first protection tube is communicated with the butt joint chamber through the first connecting component, and the inner channel of the second protection tube is communicated with the butt joint chamber through the second connecting component. The utility model can protect the cable.

Description

Cable connector

Technical Field

The present disclosure relates to the field of connection technologies, and in particular, to a cable connector.

Background

Existing cables are typically connected using an aerial head. Although the aviation head can play a good sealing role, the aviation head is complex in manufacturing process and high in cost, cannot play a role in protecting cables, and is easy to damage the cables due to the fact that the cables are impacted or bent from the outside.

Therefore, how to protect the cable connected with the connector is a difficult problem to be solved.

Disclosure of Invention

In order to solve the problems, the cable connector provided by the utility model has the advantage that the first protection tube and the second protection tube are arranged to protect cables at two sides.

The present utility model provides a cable connector comprising: the first connecting component, the first protective tube, the second connecting component and the second protective tube;

one end of the first connecting component is fixedly connected with one end of the second connecting component so as to surround a butt joint chamber, and the butt joint chamber is used for providing space for realizing butt joint of cables;

the first protection tube is fixedly connected with the other end of the first connecting component, which is away from the second connecting component, and the second protection tube is fixedly connected with the other end of the second connecting component, which is away from the first connecting component;

the inner channel of the first protection tube is communicated with the butt joint chamber through the first connecting component, and the inner channel of the second protection tube is communicated with the butt joint chamber through the second connecting component.

Optionally, the first protective tube and the second protective tube are hoses;

the cable is an optical fiber.

Optionally, the first connection assembly includes: the first butt joint barrel, the first sealing plug and the first tail cover;

the first butt joint barrel is fixedly connected with the second connecting component, a first wire passing hole is formed in the first butt joint barrel, the first butt joint barrel is used for guiding a cable into the butt joint cavity through the first wire passing hole, the first sealing plug is connected with the first butt joint barrel, and the first sealing plug is used for sealing the first wire passing hole;

the first tail cap is located one side that the first sealing plug deviates from second coupling assembling, and first tail cap and a butt joint section of thick bamboo fixed connection, the one end and the first tail cap fixed connection of first protective tube.

Optionally, a first partition plate is fixedly arranged in the first butt joint barrel;

the first partition plate is used for partitioning the cavity in the first butt joint barrel into a first mounting cavity and a first butt joint cavity, and the first butt joint cavity is used for forming a butt joint cavity;

the first via hole is positioned on the first partition plate, the first via hole is communicated with the first mounting cavity and the first butt joint cavity, and the first sealing plug is positioned in the first mounting cavity;

the first sealing plug is provided with a first through hole, and the first through hole is used for providing space for a cable to pass through the first sealing plug.

Optionally, a first slot is formed in the side face of the first sealing plug;

the first slot communicates with the first through hole, and the first slot is used for providing a channel for the cable to move into the first through hole from the side surface of the first sealing plug.

Optionally, a first claw holding structure is formed on the circumferential side of one end, facing the first tail cover, of the first butt joint barrel, and the first sealing plug is connected with the first claw holding structure;

the inner wall of the first tail cover towards one end of the first butt joint barrel is provided with a first guide inclined plane, and the first tail cover is used for extruding the first holding claw structure through the first guide inclined plane so that the first holding claw structure extrudes the first sealing plug towards the first through hole.

Optionally, a first pipe connecting opening is formed in the first tail cover, one end of the first protection pipe is fixedly connected with the first tail cover through the first pipe connecting opening, a first extension boss is formed at one end, deviating from the first butt joint barrel, of the first tail cover, and the first pipe connecting opening penetrates through the first extension boss.

Optionally, the first tail cap includes: a first main cover and a first fixing member;

one end of the first main cover is fixedly connected with the first butt joint barrel, the first main cover is detachably connected with the first fixing piece, and the first fixing piece is used for fixing the first protection tube on the first main cover.

Optionally, the first main cover and the first fixing piece enclose a first connecting pipe orifice, and one end of the first protection pipe is fixedly connected with the first tail cover through the first connecting pipe orifice.

Optionally, a first hanging ring is fixedly arranged on the side wall of the first tail cover.

Optionally, the second connection assembly includes: the second butt joint barrel, the second sealing plug and the second tail cover;

the second butt joint barrel is fixedly connected with the first connecting component, a second wire passing hole is formed in the second butt joint barrel, the second butt joint barrel is used for guiding a cable into the butt joint cavity through the second wire passing hole, the second sealing plug is connected with the second butt joint barrel, and the second sealing plug is used for sealing the second wire passing hole;

the second tail cover is located one side of the second sealing plug, which is away from the first connecting component, and is fixedly connected with the second butt joint barrel, and one end of the second protection tube is fixedly connected with the second tail cover.

Optionally, the cable connector further includes: a seal ring;

the sealing ring is extruded between first coupling assembling and second coupling assembling, and the sealing ring is used for sealing the gap of the hookup location department of first coupling assembling and second coupling assembling.

According to the cable connector provided by the embodiment of the utility model, the first protection tube and the second protection tube are arranged to protect cables at two sides, so that the damage of the cables caused by bending or impact is avoided.

Drawings

In order to more clearly illustrate the technical solutions of embodiments or conventional techniques of the present application, the drawings required for the descriptions of the embodiments or conventional techniques will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic block diagram of a fiber optic docking device according to one embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a fiber optic docking device according to an embodiment of the present application;

FIG. 3 is a schematic block diagram of a first docking pod according to an embodiment of the present application;

fig. 4 is a schematic structural view of a first sealing plug according to an embodiment of the present application;

FIG. 5 is a schematic exploded view of a first connection assembly according to one embodiment of the present application;

fig. 6 is a schematic exploded view of a first tail cap of an embodiment of the present application.

Reference numerals:

1. a first connection assembly; 11. a first docking barrel; 111. a first partition plate; 112. a second clamping portion; 113. a first via hole; 114. a first mounting cavity; 115. a first docking chamber; 116. a first annular projection; 117. a first holding claw structure; 12. a first sealing plug; 121. a first through hole; 122. a first slot; 13. a first tail cap; 131. a first main cover; 1311. a first intermediate hole; 132. a first fixing member; 133. a first epitaxial mesa; 134. a first nozzle; 135. a bar-shaped protrusion; 136. positioning the bulge; 137. positioning holes; 138. a first hanger; 139. a first clamping portion; 1310. a first reinforcing rib; 2. a first protection tube; 3. a second connection assembly; 31. a second docking cylinder; 311. a second partition plate; 312. a fourth clamping portion; 313. a second via hole; 314. a second mounting cavity; 315. a second docking chamber; 316. a second annular projection; 317. a second holding claw structure; 32. a second sealing plug; 321. a second through hole; 322. a second slot; 33. a second tail cap; 331. a second main cover; 3311. a second intermediate hole; 332. a second fixing member; 333. a second epitaxial land; 334. a second nozzle; 335. a second hanger; 336. a third clamping portion; 337. a second reinforcing rib; 4. a second protection tube; 51. a docking chamber; 52. a jumper interface; 6. and (3) sealing rings.

Detailed Description

In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Examples of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Spatially relative terms, such as "under", "below", "beneath", "under", "above", "over" and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "below" and "under" may include both an upper and a lower orientation. Furthermore, the device may also include an additional orientation (e.g., rotated 90 degrees or other orientations) and the spatial descriptors used herein interpreted accordingly.

It will be understood that when an element is referred to as being "fixedly connected" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.

An embodiment of the present utility model provides a cable connector, referring to fig. 1 and 2, including: a first connection assembly 1, a first protection tube 2, a second connection assembly 3 and a second protection tube 4.

One end of the first connecting component 1 is fixedly connected with one end of the second connecting component 3 so as to surround the butt joint cavity 51, and the butt joint cavity 51 is used for providing space for realizing butt joint of cables. The first protective tube 2 is fixedly connected with the other end of the first connecting component 1, which is away from the second connecting component 3. The second protection tube 4 is fixedly connected with the other end of the second connecting component 3, which is away from the first connecting component 1. The internal passage of the first protection tube 2 communicates with the docking chamber 51 through the first connection assembly 1. The internal passage of the second protection tube 4 communicates with the docking chamber 51 through the second connection assembly 3.

It should be noted that, the first connection component 1 and the second connection component 3 may be fixedly connected by means of screws, threads or an adhesive, and the first protection tube 2 and the second protection tube 4 may also be fixedly connected with the corresponding first connection component 1 or the second connection component 3 by means of threads or an adhesive, for example, a waterproof adhesive is used to achieve the waterproof effect while the protection tube is connected with the connection component.

The first protection tube 2 and the second protection tube 4 may be non-flexible straight tubes, or flexible tubes, such as plastic tubes, rubber tubes or corrugated tubes; the first connecting component 1 and the second connecting component 3 can be respectively in a single cylindrical structure, taking the first connecting component 1 as an example of a single cylindrical structure, one end of the first connecting component 1 is detachably connected with the second connecting component 3, and the other end of the first connecting component 1, which is away from the second connecting component 3, is fixedly connected with the corrugated pipe; the first connection unit 1 and the second connection unit 3 may be assembled by a plurality of devices.

In this embodiment, the cable connector is also called an optical fiber docking device, and is used to connect two optical fibers through the jumper interface 52; the first protective tube 2 and the second protective tube 4 are corrugated tubes, and the bending radius of the corrugated tubes is not less than 10mm, but not limited to; the optical fiber is in a loose state in the corrugated pipe, namely the total length of the optical fiber in the corrugated pipe is not smaller than the length of the corrugated pipe, so that the corrugated pipe can not directly act on the optical fiber when receiving tension, and the possibility that the optical fiber is broken by pulling is effectively avoided.

Wherein the jumper interfaces 52 include, but are not limited to, ferrule-type fiber optic connectors (FC), fang Xingka splice-type fiber optic connectors (LC, SC), and round-type snap-in fiber optic connectors (ST); the material of the corrugated pipe is metal or plastic, etc.

Further, the first connection assembly 1 includes: a first docking barrel 11, a first sealing plug 12 and a first tail cap 13.

One end of the first butt joint barrel 11 is fixedly connected with one end of the second connecting component 3. The cavity in the first docking cylinder 11 surrounds the docking chamber 51 with the cavity in the second connection assembly 3 opening towards the first docking cylinder 11.

Referring to fig. 3, a first wire passing hole 113 is formed in the first docking cylinder 11. The first docking barrel 11 is used to guide the optical fiber into the docking chamber 51 along the length direction of the first docking barrel 11 through the first via hole 113. The first sealing plug 12 is connected to the first docking cylinder 11. The first sealing plug 12 is used for sealing the first via hole 113, so that after the optical fiber docking device is installed, the docking chamber 51 is prevented from being communicated with the outside through the first via hole 113, and the waterproof performance of the optical fiber docking device at the jumper interface 52 is improved.

The first tail cover 13 is located one side of the first sealing plug 12, which faces away from the second connecting component 3, the first tail cover 13 is fixedly connected with the first butt joint barrel 11, and one end of the first protection tube 2 is fixedly connected with the first tail cover 13. It should be noted that, the first protection tube 2 may be fixedly connected to one end of the first tail cap 13 facing away from the first docking barrel 11, or may be fixedly connected to other positions of the first tail cap 13 when the bending requirement of the optical fiber is satisfied.

Wherein, the inner wall of the first tail cover 13 is provided with a first reinforcing rib 1310; the first butt joint barrel 11 and the first tail cover 13 are of cylindrical structures, and the openings of the first butt joint barrel 11, the first tail cover 13, the first wire through hole 113 and one end of the first protection tube 2 connected with the first tail cover 13 are coaxial; the first tail cover 13 and the first butt joint barrel 11 can be fixedly connected through screws, threads or adhesives, and the first sealing plug 12 and the first butt joint barrel 11 can be connected through interference fit or adhesives; the first tail cap 13 and the first protective tube 2 can be fixedly connected by means of screws, threads or adhesives.

In the embodiment, one end of the first protection tube 2 is fixedly connected with one end of the first tail cover 13, which is away from the first butt joint barrel 11; the first tail cap 13 is screwed with the first docking cylinder 11. Specifically, the first tail cover 13 is provided with an internal thread at one end connected with the first butt joint barrel 11, the first butt joint barrel 11 is provided with an external thread matched with the internal thread, and the first tail cover 13 is detachably connected with the first butt joint barrel 11 through the internal thread.

A first partition plate 111 is fixedly provided in the first docking cylinder 11. The first partition plate 111 serves to partition the cavity inside the first docking cylinder 11 into a first installation chamber 114 and a first docking chamber 115. The first docking chamber 115 is used to form the docking chamber 51.

The first via hole 113 is located on the first partition plate 111. The first via 113 communicates with the first mounting cavity 114 and the first docking cavity 115. The first sealing plug 12 is located within the first mounting cavity 114. The first sealing plug 12 is provided with a first through hole 121, the first through hole 121 being adapted to provide space for an optical fiber to pass through the first sealing plug 12.

In this embodiment, the partition plate is integrally formed with the first butt-joint barrel 11, that is, the partition plate is a part of the first butt-joint barrel 11, and the first through hole 121 is concentric with the first wire passing hole 113. By providing the first partition plate 111, not only the first sealing plug 12 can be restrained, but also the structural strength of the first butt joint barrel 11 can be enhanced. By providing the first through hole 121, the sealing property of the first sealing plug 12 to the optical fiber at the first via hole 113 can be ensured.

Wherein, in an alternative embodiment, in combination with fig. 4, a first slot 122 is provided in a side of the first sealing plug 12. The first slot 122 communicates with the first through hole 121, the first slot 122 being adapted to provide a passage for the optical fiber to move from the side of the first sealing plug 12 into the first through hole 121. Specifically, the first slot 122 is formed on a side surface of the first sealing plug 12 and is communicated with the first through hole 121, and the first slot 122 completely penetrates through two end surfaces of the first sealing plug 12. The dimensions of the first slot 122 are not particularly limited in this alternative embodiment. By providing the first slot 122, the optical fiber can be moved into the first via hole 113 conveniently, and the complexity of installing the optical fiber docking device is reduced.

Referring to fig. 3, a first holding claw structure 117 is formed on the circumferential side of the end of the first docking cylinder 11 facing the first tail cap 13. The first sealing plug 12 is connected to a first holding jaw arrangement 117. Meanwhile, the inner wall of the first tail cap 13 facing one end of the first docking cylinder 11 is provided with a first guide slope. The first tail cap 13 is used for pressing the first holding claw structure 117 through the first guiding inclined plane so that the first holding claw structure 117 presses the first sealing plug 12 towards the first through hole 121.

In this embodiment, the first holding claw structure 117 is further formed by a plurality of strip-shaped elastic pieces disposed on the end surface of the first docking cylinder 11, which is not limited in this embodiment.

During the process of screwing the first tail cap 13 to the first docking cylinder 11, the first holding claw structure 117 compresses the first sealing plug 12 inwards under the guidance of the first guiding inclined plane, so that the first sealing plug 12 is elastically deformed along the radial direction, and the sealing of the first wire passing hole 113 is enhanced.

Referring to fig. 5 and 6, the first tail cap 13 is provided with a first nozzle 134. One end of the first protection tube 2 is fixedly connected with the first tail cover 13 through a first connecting tube port 134. A first extension boss 133 is formed at one end of the first tail cap 13 facing away from the first docking cylinder 11, and a first nozzle 134 penetrates the first extension boss 133. The contact area between the first protection tube 2 and the first tail cap 13 can be increased by providing the first extension boss 133, thereby further enhancing the stability of the connection of the first protection tube 2 and the first tail cap 13.

Wherein, first tail cap 13 has seted up the internal thread on the inner wall of first mouth of pipe 134, and this internal thread is with the screw thread adaptation on the bellows surface, and the bellows passes through the internal thread on first tail cap 13 and first tail cap 13 threaded connection.

The first tail cap 13 may have a single cylindrical structure or a structure formed by assembling a plurality of devices. In the present embodiment, the first tail cap 13 includes: a first main cover 131 and a first fixing member 132.

One end of the first main cover 131 is fixedly connected with the first docking cylinder 11, and the first main cover 131 is detachably connected with the first fixing piece 132 through a screw. The first main cover 131 is fitted with a first fixing member 132, and the first main cover 131 and the first fixing member 132 are used to jointly cover the optical fiber between the first protection tube 2 and the first docking cylinder 11.

It should be noted that, the first fixing member 132 may be a screw, a buckle, or a cover structure adapted to the first main cover 131.

In this embodiment, the first main cover 131 is a main body part of a cylindrical structure, and the side wall thereof is provided with an opening. The first fixing member 132 is a cover plate structure adapted to the opening. One end of the first main cover 131 facing away from the first docking cylinder 11 and one end of the first fixing member 132 facing away from the first docking cylinder 11 enclose a first nozzle 134. One end of the first protection tube 2 is fixedly connected with the first tail cover 13 through a first connecting tube port 134. The first main cap 131 is provided with a first middle hole 1311 at one end connected to the first docking cylinder 11. The first intermediate hole 1311 is used to communicate the cavity surrounded by the first main cover 131 and the first fixing member 132 with the first via hole 113, so that the optical fiber passes through the first main cover 131 and is accessed into the first docking cavity 115.

Further, the first main cover 131 and the first fixing member 132 are provided with first positioning structures matched with each other. The first positioning structure is used for limiting the relative positions of the first main cover 131 and the first fixing piece 132.

In this embodiment, the left end of the first main cover 131 is screwed with the first docking cylinder 11, and the first fixing member 132 is located above the first main cover 131. Two opposite upper surfaces of the first main cover 131 contacting the first fixing member 132 are fixedly provided with one bar-shaped protrusion 135, respectively. The left end of the first fixing member 132 is fixedly provided with a positioning protrusion 136, and the left end of the first main cover 131 is provided with a positioning hole 137 adapted to the positioning protrusion 136 toward the side of the first fixing member 132. The positioning hole 137 communicates with the first intermediate hole 1311.

When the first fixing member 132 is fixed to the first main cover 131, the positioning protrusions 136 are inserted into the positioning holes 137, and the two bar-shaped protrusions 135 are engaged with the inner side of the first fixing member 132. After the above-mentioned installation is completed, the first fixing member 132 may be fixed to the first main cover 131 by a screw. The installation of the first protection pipe 2 can be facilitated by providing the first tail cap 13 in a structure composed of the first main cap 131 and the first fixing piece 132.

Further, a first hanging tab 138 is fixedly arranged on the side wall of the first tail cover 13. The first tail cap 13 is fixedly provided with a first clamp 139 toward the peripheral side of one end of the first docking cylinder 11. The first docking cylinder 11 is fixedly provided with a second clamping portion 112 toward the peripheral side of one end of the second connection assembly 3.

The first hanging lugs 138 may be disposed on the first main cover 131 or the first fixing member 132. In the present embodiment, the first hanging lugs 138 are located on the first main cover 131, and two opposite sides of the first main cover 131 are respectively provided with one first hanging lug 138. The first clamping portion 139 and the second clamping portion 112 are both regular hexahedral structures, that is, the cross sections of the surfaces of the first clamping portion 139 and the second clamping portion 112 are both regular hexagons.

The optical fiber butt-joint device can be conveniently hung in the mid-air through the first hanging lugs 138, for example, the optical fiber butt-joint device is hung up through a binding belt, so that the optical fiber can be prevented from being bent due to the gravity of the optical fiber butt-joint device in a connected state, and damage is caused. The first connector assembly 1 can be easily attached and detached by providing the first and second clamping portions 139 and 112.

The second connection assembly 3 may be identical to the first connection assembly 1 or may be different from the first connection assembly 1 with respect to the first connection assembly 1.

For example, when the first and second connection assemblies 1 and 3 are fixedly coupled by screws, or the first and second connection assemblies 1 and 3 are screw-coupled by an intermediate member, the structure of the second connection assembly 3 may be the same as that of the first connection assembly 1. If the first connecting component 1 is screwed with one end of the middle sleeve, and the second connecting component 3 is screwed with the other end of the middle sleeve, the structure of the second connecting component 3 can be the same as that of the first connecting component 1.

Of course, in the above case, the structure of the second connecting assembly 3 may be different from that of the first connecting assembly 1. For example, the second connecting component 3 is only a single cylindrical structure.

In the present embodiment, the second connection assembly 3 includes: a second docking barrel 31, a second sealing plug 32 and a second tail cap 33.

The second butt joint barrel 31 is fixedly connected with the first connecting component 1, and a cavity in the second butt joint barrel 31 and a cavity in the first connecting component 1 encircle a butt joint cavity 51; the second butt-joint barrel 31 is provided with a second wire through hole 313, the second butt-joint barrel 31 is used for guiding the optical fiber into the butt-joint chamber 51 along the length direction of the second butt-joint barrel 31 through the second wire through hole 313, the second sealing plug 32 is connected with the second butt-joint barrel 31, and the second sealing plug 32 is used for sealing the second wire through hole 313.

The second reinforcing rib 337 is provided on the inner wall of the second tail cover 33. The second tail cap 33 is located the second sealing plug 32 and deviates from one side of first coupling assembling 1, and second tail cap 33 and second butt joint section of thick bamboo 31 fixed connection, the one end of second protection tube 4 and the one end fixed connection of second tail cap 33 deviating from second butt joint section of thick bamboo 31.

Specifically, an external thread is provided at an end of the first docking cylinder 11 facing the second docking cylinder 31, and an internal thread is provided at an end of the second docking cylinder 31 facing the first docking cylinder 11. The second docking cylinder 31 is screwed with the first docking cylinder 11 by the internal screw thread.

The second butt-joint barrel 31 and the second tail cover 33 are both in cylindrical structures, and openings of the second butt-joint barrel 31, the second tail cover 33, the second wire through hole 313 and one end, connected with the second tail cover 33, of the second protection tube 4 are coaxial; the second tail cap 33 is screwed with the second docking cylinder 31.

The second butt-joint barrel 31 is fixedly provided with a second partition plate 311. The second partition 311 serves to partition the cavity in the second docking cylinder 31 into a second mounting cavity 314 and a second docking cavity 315. The second docking chamber 315 is used to form the docking chamber 51. The second via 313 is located on the second partition 311. The second via 313 communicates with the second mounting cavity 314 and the second docking cavity 315. The second sealing plug 32 is located within the second mounting cavity 314. The second sealing plug 32 is provided with a second through hole 321, and the second through hole 321 is used for providing space for an optical fiber to pass through the second sealing plug 32. A second slot 322 is provided in the side of the second sealing plug 32. The second slot 322 communicates with the second through hole 321, and the second slot 322 is used to provide a passage for the optical fiber to move into the second through hole 321 from the side of the second sealing plug 32.

The second butt-joint barrel 31 is provided with a second holding claw structure 317 on the peripheral side facing one end of the second tail cap 33. The second sealing plug 32 is connected to the second holding jaw structure 317. Meanwhile, an inner wall of the second tail cap 33 facing one end of the second docking cylinder 31 is provided with a second guide slope. The second tail cap 33 is used for pressing the second holding claw structure 317 through the second guiding inclined surface so that the second holding claw structure 317 presses the second sealing plug 32 toward the second through hole 321.

In addition, a second extension boss 333 is formed at an end of the second tail cap 33 facing away from the second docking cylinder 31, and a second nozzle 334 penetrates the second extension boss 333. The contact area of the second protection pipe 4 and the second tail cap 33 can be increased by providing the second epitaxial boss 333, thereby further enhancing the stability of the connection of the second protection pipe 4 and the second tail cap 33.

Wherein, the second tail cap 33 is provided with an internal thread on the inner wall of the second pipe connecting opening 334, the internal thread is matched with the thread on the surface of the corrugated pipe, and the corrugated pipe is in threaded connection with the second tail cap 33 through the internal thread on the second tail cap 33.

The second tail cap 33 includes: a second main cover 331 and a second fixing member 332.

One end of the second main cover 331 is fixedly connected with the second docking cylinder 31, and the second main cover 331 is detachably connected with the second fixing member 332 through a screw. The second main cover 331 is adapted to the second fixing member 332, and the second main cover 331 and the second fixing member 332 are used to jointly cover the optical fiber between the second protection tube 4 and the second docking cylinder 31.

The end of the second main cover 331 facing away from the second docking cylinder 31 and the end of the second fixing member 332 facing away from the second docking cylinder 31 enclose a second docking nozzle 334. One end of the second protection pipe 4 is fixedly connected with the second tail cap 33 through a second pipe connecting port 334. The second middle hole 3311 is provided at the end of the second main cap 331 connected to the second docking cylinder 31. The second middle hole 3311 is used to communicate the cavity surrounded by the second main cover 331 and the second fixing member 332 with the second via hole 313, so that the optical fiber passes through the second main cover 331 and is accessed into the second docking cavity 315.

A second hanging lug 335 is fixedly arranged on the side wall of the second tail cover 33. A third clamp portion 336 is fixedly provided on the peripheral side of the first tail cap 13 facing one end of the first docking cylinder 11. The first docking cylinder 11 is fixedly provided with a fourth clamp portion 312 toward the peripheral side of one end of the second connection assembly 3.

In the present embodiment, the second connecting assembly 3 is substantially identical in structure to the first connecting assembly 1, and the first sealing plug 12 and the second sealing plug 32 are both harness sealing plugs. The difference is that the first docking cylinder 11 and the second docking cylinder 31 are provided with different threads at the joint location and the corresponding openings at the joint location are different in size.

Further, the optical fiber docking device further includes: and a sealing ring 6. The sealing ring 6 is pressed between the first connection assembly 1 and the second connection assembly 3. The sealing ring 6 is used for sealing a gap at the connection position of the first connection assembly 1 and the second connection assembly 3.

Specifically, the first docking cylinder 11 is fixedly provided with a first annular projection 116 toward the outer peripheral side of one end of the second docking cylinder 31, and the second docking cylinder 31 is fixedly provided with a second annular projection 316 toward the outer peripheral side of one end of the first docking cylinder 11. The sealing ring 6 is sleeved between the first annular protrusion 116 and the second annular protrusion 316, and the sealing ring 6 seals a gap at the connection position of the first docking cylinder 11 and the second docking cylinder 31 under the extrusion of the first annular protrusion 116 and the second annular protrusion 316.

In an alternative embodiment, the side of the first annular protrusion 116 facing the second annular protrusion 316 is provided with a first annular groove, or/and the side of the second annular protrusion 316 facing the first annular protrusion 116 is provided with a second annular groove. The sealing ring 6 is embedded into the corresponding annular groove, and after the first butt joint barrel 11 and the second butt joint barrel 31 are installed, the casing extrudes the sealing ring 6 towards the second annular bulge 316 through the first annular bulge 116, so that the gap at the connecting position of the first butt joint barrel 11 and the second butt joint barrel 31 is sealed.

In this embodiment, the second annular protrusion 316 is provided with an annular groove on the side facing the first annular protrusion 116. The sealing ring 6 is embedded in the annular groove.

The optical fiber butt joint device has the following use process:

first, the seal ring 6 is fitted over the annular groove of the second abutting cylinder 31. Then, the jumper wire sleeved on the optical fiber in the first protection tube 2 sequentially passes through the first middle hole 1311 on the first tail cover 13 and the first wire passing hole 113 on the first butt joint barrel 11; likewise, the jumper wire sleeved on the optical fiber in the second protection tube 4 sequentially passes through the second middle hole 3311 on the second tail cap 33 and the second wire passing hole 313 on the second butt-joint barrel 31. And then, the jumper wires on the optical fibers at the two sides are butted through a jumper wire structure. Next, the first docking cylinder 11 and the second docking cylinder 31 are screwed to each other and pressed against the seal ring 6 to achieve sealing. Subsequently, two optical fibers are placed in the first through hole 121 of the first sealing plug 12 and the second through hole 321 of the second sealing plug 32 through the first slot 122 and the second slot 322, respectively. The first sealing plug 12 is then installed into the first mounting cavity 114 and the second sealing plug 32 is installed into the second mounting cavity 314. Then, the first main cover 131 is screwed with the first butt-joint barrel 11, and the second main cover 331 is screwed with the second butt-joint barrel 31, in the process, the first main cover 131 presses the first claw holding structure 117, and the inner diameter of the first claw holding structure 117 is reduced and presses the first sealing plug 12 to seal the optical fiber; similarly, the second main cover 331 presses the second holding claw 317, and the inner side of the second holding claw 317 is reduced in diameter and presses the second sealing plug 32 to seal the optical fiber. Finally, the first protection tube 2 is placed in the first nozzle 134 of the first main cover 131, and the first fixing member 132 is fixed to the first main cover 131 by a screw to fix the first protection tube 2; similarly, the second protection pipe 4 is placed in the second nozzle 334 of the second main cover 331, and the second fixing member 332 is fixed to the second main cover 331 by a screw to fix the second protection pipe 4.

The optical fiber butt joint device is simple in structure and convenient to operate, and the first sealing plug 12, the second sealing plug 32 and the sealing ring 6 are arranged to provide a sealed butt joint cavity 51 for the connection of a jumper wire, so that the waterproof and dustproof functions are realized. Meanwhile, the optical fiber butt joint device can protect the cable optical fibers at two sides by arranging the first protection tube 2 and the second protection tube 4, and effectively avoids damage to the optical fibers caused by bending or stretching or impact. The optical fiber splicing device is particularly suitable for butt joint environments using optical fibers which are not protected by armor, such as tightly packed optical fibers.

In the description of the present specification, reference to the terms "some embodiments," "other embodiments," "ideal embodiments," and the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic descriptions of the above terms do not necessarily refer to the same embodiment or example.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application shall be subject to the appended claims.

Claims (10)

1. A cable connector, comprising: the device comprises a first connecting component (1), a first protective tube (2), a second connecting component (3) and a second protective tube (4);

one end of the first connecting component (1) is fixedly connected with one end of the second connecting component (3) so as to form a butting cavity (51) in a surrounding mode, and the butting cavity (51) is used for providing space for realizing butting of cables;

the first protection tube (2) is fixedly connected with the other end of the first connecting component (1) deviating from the second connecting component (3), and the second protection tube (4) is fixedly connected with the other end of the second connecting component (3) deviating from the first connecting component (1);

the internal channel of the first protection tube (2) is communicated with the butt joint chamber (51) through a first connecting component (1), and the internal channel of the second protection tube (4) is communicated with the butt joint chamber (51) through a second connecting component (3).

2. The cable connector according to claim 1, wherein the first protection tube (2) and the second protection tube (4) are both hoses;

the cable is an optical fiber;

and/or, the cable connector further comprises: a seal ring (6);

the sealing ring (6) is extruded between the first connecting component (1) and the second connecting component (3), and the sealing ring (6) is used for sealing a gap at the connecting position of the first connecting component (1) and the second connecting component (3).

3. The cable connector according to claim 1, wherein the first connection assembly (1) comprises: a first butt joint barrel (11), a first sealing plug (12) and a first tail cover (13);

the first butt joint barrel (11) is fixedly connected with the second connecting assembly (3), and the first butt joint barrel (11) and the second connecting assembly (3) are surrounded to form the butt joint chamber (51);

a first wire passing hole (113) is formed in the first butt joint barrel (11), the first butt joint barrel (11) is used for guiding a cable into the butt joint chamber (51) through the first wire passing hole (113), the first sealing plug (12) is connected with the first butt joint barrel (11), and the first sealing plug (12) is used for sealing the first wire passing hole (113);

the first tail cover (13) is located on one side, deviating from the second connecting assembly (3), of the first sealing plug (12), the first tail cover (13) is fixedly connected with the first butt joint barrel (11), and one end of the first protection tube (2) is fixedly connected with the first tail cover (13).

4. A cable connector according to claim 3, wherein the first mating cylinder (11) is fixedly provided with a first partition plate (111);

the first partition plate (111) is used for partitioning a cavity in the first butt joint barrel (11) into a first mounting cavity (114) and a first butt joint cavity (115), and the first butt joint cavity (115) is used for forming the butt joint cavity (51);

the first wire through hole (113) is located on the first partition plate (111), the first wire through hole (113) is communicated with the first mounting cavity (114) and the first butt joint cavity (115), and the first sealing plug (12) is located in the first mounting cavity (114);

the first sealing plug (12) is provided with a first through hole (121), and the first through hole (121) is used for providing space for a cable to pass through the first sealing plug (12).

5. The cable connector according to claim 4, characterized in that the side of the first sealing plug (12) is provided with a first slot (122);

the first slot (122) is in communication with the first through hole (121), and the first slot (122) is used for providing a channel for a cable to move into the first through hole (121) from the side surface of the first sealing plug (12).

6. The cable connector according to claim 4, wherein a first holding claw structure (117) is provided on a peripheral side of one end of the first butt-joint barrel (11) facing the first tail cap (13), and the first sealing plug (12) is connected with the first holding claw structure (117);

the inner wall of the first tail cover (13) facing one end of the first butt joint barrel (11) is provided with a first guide inclined plane, and the first tail cover (13) is used for extruding the first holding claw structure (117) through the first guide inclined plane so that the first holding claw structure (117) extrudes the first sealing plug (12) facing the first through hole (121).

7. A cable connector according to claim 3, wherein a first pipe connecting opening (134) is formed in the first tail cover (13), one end of the first protection pipe (2) is fixedly connected with the first tail cover (13) through the first pipe connecting opening (134), a first extension boss (133) is formed at one end of the first tail cover (13) facing away from the first abutting cylinder (11), and the first pipe connecting opening (134) penetrates through the first extension boss (133);

and/or the side wall of the first tail cover (13) is fixedly provided with a first hanging lug (138).

8. A cable connector according to claim 3, wherein the first tail cap (13) comprises: a first main cover (131) and a first fixing member (132);

one end of the first main cover (131) is fixedly connected with the first butt joint barrel (11), the first main cover (131) is detachably connected with the first fixing piece (132), and the first fixing piece (132) is used for fixing the first protection tube (2) on the first main cover (131).

9. The cable connector according to claim 8, wherein the first main cover (131) and the first fixing member (132) enclose a first receiving opening (134), and one end of the first protection tube (2) is fixedly connected with the first main cover (131) through the first receiving opening (134).

10. The cable connector according to claim 1, wherein the second connection assembly (3) comprises: a second butt-joint barrel (31), a second sealing plug (32) and a second tail cover (33);

the second butt joint barrel (31) is fixedly connected with the first connecting component (1), and the second butt joint barrel (31) and the first connecting component (1) are encircled to form the butt joint chamber (51);

a second wire passing hole (313) is formed in the second butt joint barrel (31), the second butt joint barrel (31) is used for guiding a cable into the butt joint chamber (51) through the second wire passing hole (313), the second sealing plug (32) is connected with the second butt joint barrel (31), and the second sealing plug (32) is used for sealing the second wire passing hole (313);

the second tail cover (33) is located on one side, deviating from the first connecting assembly (1), of the second sealing plug (32), the second tail cover (33) is fixedly connected with the second butt joint barrel (31), and one end of the second protection tube (4) is fixedly connected with the second tail cover (33).