Outdoor waterproof joint box
Technical Field
The invention relates to a waterproof cable connecting structure, in particular to an outdoor waterproof connector box.
Background
The optical fiber connector box is one of important equipment formed by an optical fiber network, is a device for providing conditions for optical cable connection and branching and protecting an optical cable connector, and is mainly applied to straight-through and branched connection of aerial, pipeline, direct-buried and other laying modes of optical cables with various structures.
Factors such as waterproof tightness, volume and the like of the optical fiber connector box have direct influence on the performance, wiring protection capability and the like of the optical fiber. The traditional outdoor waterproof connector box generally adopts a form of sealing a line inlet hole gram head or a box (generally square) with a flip cover/opening cover, and the size of the installation interface of the connector box with the two sealing structures is large, and the waterproof performance of the traditional outdoor waterproof connector box is poor.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the outdoor waterproof connector box which has good waterproof performance and small volume and is convenient to install.
The outdoor waterproof connector box comprises a cable waterproof assembly, a fixing piece, a wire inlet base, a wiring base and a shell, wherein the wire inlet base comprises a first end face and a second end face which are opposite, at least one waterproof hole for the cable waterproof assembly to be inserted is formed in the first end face, the wiring base is connected with the second end face, the shell is sleeved outside the wire inlet base and the wiring base and is in sealing connection with the wire inlet base, one end of the cable waterproof assembly is provided with a first waterproof surface, a second waterproof surface matched with the first waterproof surface is arranged in the waterproof hole, the fixing piece is inserted from the side face of the wire inlet base, the cable waterproof assembly is fixed in the corresponding waterproof hole, and the cable waterproof assembly is pushed to move towards the direction close to the second waterproof hole through acting force exerted on the fixing piece until the first waterproof surface of the cable waterproof assembly is attached to the second waterproof surface of the waterproof hole.
Preferably, the cable waterproof assembly comprises two waterproof clamping assemblies which are buckled with each other, each waterproof clamping assembly comprises a cable waterproof clamping piece and an elastic sealing piece, the elastic sealing piece is used for wrapping the inner wall of the cable waterproof clamping piece, one end of the elastic sealing piece extends out of the cable waterproof clamping piece, and the outer surface of the part, extending out of the cable waterproof clamping piece, of the elastic sealing piece forms the first waterproof surface.
Preferably, at least one cable hole through which the cable passes is formed in the cable waterproof assembly, and the diameter of the cable hole gradually decreases in a direction approaching the first waterproof surface.
Preferably, a fixing clamping surface is further arranged on the surface of the cable waterproof assembly, and the fixing piece inserted into the incoming line base is limited on the fixing clamping surface.
Preferably, the second waterproof surface of the waterproof hole is a tapered waterproof surface gradually shrinking from the first end surface to the second end surface.
Preferably, a cable routing area is formed in the wiring base, a cable entering the wiring base is wound in the cable routing area according to the surplus length, and a wire inlet end and a wire outlet end of the cable are butted in the cable routing area.
Preferably, the incoming and outgoing ends of the cable are fused or connected by an adapter.
Preferably, the wire inlet end and the wire outlet end of the cable are input and output from the wire inlet base.
Preferably, two ends of the wiring base are respectively provided with a wire inlet base, the wire inlet end of the cable is input from the wire inlet base at one end, and the output end of the cable is output from the wire inlet base at the other end.
Preferably, a fixing hook for fixing the adapter is provided in the wiring base.
Preferably, a clamping groove matched with the protrusion on the side edge of the adapter is formed on the fixing clamping hook, and the protrusion of the adapter is clamped in the clamping groove.
Preferably, the top end of the wiring base is open.
Preferably, a sealing ring is arranged at the joint of the incoming line base and the shell, and the shell is in sealing connection with the incoming line base through the sealing ring.
Preferably, the shell and the incoming line base are also closed or opened through an unlocking clamping structure.
Preferably, the outdoor waterproof connector box is entirely cylindrical or approximately cylindrical.
The beneficial effects of the invention are as follows:
1. According to the sealing structure combining the waterproof component of the cable inlet and outlet, the wire inlet base and the fixing piece, the cable inlet and outlet sealing operation is rapid, waterproof is reliable, the sealing structure is suitable for outdoor environments, and the waterproof and dustproof grade can reach the IP67 grade.
2. Compared with the existing square connector box design, the square connector box has the advantages that the whole shape is cylindrical, the size is smaller, the product is light, the field adaptability is good, the square connector box can be easily installed at a high place, hung on a rod, buried in the ground, hidden in the rod or lapped on other equipment, the high installation cost of the square connector box is avoided, and in addition, the large-capacity cable connection can be realized under the condition of small size.
3. The wiring mode of the internal connecting cables of the product can accommodate more cable surplus length in a small space, can perform flexible maintenance operation, and provides a waterproof wiring scheme with low cost and high efficiency for the micro base station wiring of the 5G network.
Drawings
FIG. 1 is a schematic perspective view of the assembled invention;
FIG. 2 is a schematic diagram of an exploded construction of the present invention;
fig. 3 is a schematic perspective view of the cable waterproof assembly of the present invention;
FIG. 4 is a schematic view of the cable flashing assembly mounting clip of the present invention;
fig. 5 is a schematic perspective view of the invention except for the housing.
Reference numerals:
100. the cable-in base, 101, the first end face, 102, the second end face, 103, the waterproof hole, 104, the second waterproof surface, 105, the jack, 106, the fixing piece positioning groove, 107, the sealing ring, 108, the shell fixing hook, 200, the cable waterproof component, 201, the cable waterproof clamping piece, 202, the elastic sealing piece, 203, the sealing part, 204, the compression part, 205, the first waterproof surface, 206, the cable hole, 207, the cable half hole, 208, the fixing clamping surface, 300, the fixing piece, 301, the fixing arm, 400, the wiring base, 401, the cable wiring area, 402, the fixing hook, 403, the clamping groove, 500, the shell, 501, the clamping opening, 600, the cable, 601, the cable end, 602, the wire outlet end, 700, the adapter, 701 and the bulge.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
Referring to fig. 1, 2,4 and 5, the outdoor waterproof connector box disclosed in the present invention includes a wire inlet base 100, a cable waterproof assembly 200, a fixing member 300, a wiring base 400 and a housing 500, wherein the wire inlet base 100 is used for inputting and/or outputting a cable 600, the wire inlet base includes a first end face 101 and a second end face 102 which are opposite, at least one waterproof hole 103 through which the cable waterproof assembly 200 is inserted is provided on the first end face 101 and penetrates through the second end face 102, and when a plurality of waterproof holes 103 are provided, each waterproof hole 103 is correspondingly inserted into one cable waterproof assembly 200. As shown in fig. 4, in the present embodiment, 5 waterproof holes 103 are provided on the first end face 101, and each waterproof hole 103 has a rectangular circular cross section.
Further, as shown in fig. 4, a second waterproof surface 104 is formed in each waterproof hole 103 to seal and waterproof in cooperation with the cable waterproof assembly 200, and preferably, the second waterproof surface 104 is a tapered waterproof surface gradually shrinking from the first end surface 101 toward the second end surface 102.
The cable waterproof assembly 200 is used for passing the cable 600 therethrough and is matched with the incoming wire base 100 to waterproof seal the incoming wire and/or the occurrence of the cable 600. In this embodiment, as shown in fig. 3, the cable waterproof assembly 200 includes two waterproof clamping assemblies that are buckled, and the cable 600 is clamped by the two waterproof clamping assemblies. Each waterproof clamping assembly comprises a cable waterproof clamping piece 201 and an elastic sealing piece 202, wherein the cable waterproof clamping piece 201 serves as an outer shell of the cable waterproof assembly 200, the elastic sealing piece 202 specifically comprises an integrated sealing portion 203 and a compression portion 204, the sealing portion 203 wraps the inner wall of the cable waterproof clamping piece 201, one end of the compression portion 204, which is formed by extending outwards (in the direction approaching to the second end face 102 in the embodiment), of the sealing portion 203, and the outer surface of the compression portion 204 forms a first waterproof surface 205. In this embodiment, the elastic seal 202 is a waterproof rubber member.
At least one cable hole 206 through which the cable 600 passes is axially provided in the cable waterproof assembly 200, and in this embodiment, 3 cable holes 206 are provided in each cable waterproof assembly 200, that is, the present embodiment can provide for input and/or output of 15 cables 600. Each cable hole 206 is formed after being buckled by two waterproof clamping components, and the radial direction of each cable hole 206 is gradually reduced in the direction close to the first waterproof surface 205, so that the cable hole 206 is a conical hole, and the design of the conical hole enables the sealing and laminating effect between the cable 600 and the cable hole 206 to be better, and the waterproof performance is better. Specifically, at least one cable half hole 207 is axially disposed in each cable waterproof clip 201, each cable hole 206 is formed by buckling two cable half holes 207, in this embodiment, the longitudinal section of each cable half hole 207 is circular, so the longitudinal section of each cable half hole 207 is semicircular, and the cable half holes 207 are also tapered holes with angles.
In addition, a fixing clamping surface 208 for fixing the limiting fixing member 300 is further provided on the outer surface of the cable waterproof assembly 200. In this embodiment, the fixing clamping surface 208 is disposed on the outer surface of the cable waterproof clamping piece 201, and is formed by the inner surface of the cable waterproof clamping piece 201 being recessed.
As shown in fig. 4, the fixing member 300 is used to fix the cable waterproofing assembly 200 in the waterproofing hole 103 of the incoming line base 100, and also to realize compression waterproofing of the cable waterproofing assembly 200. In this embodiment, each waterproof hole 103 of the incoming line base 100 corresponds to one fixing piece 300, the fixing piece 300 is a U-shaped fixing piece, and includes two opposite fixing arms 301, the side surface of the incoming line base 100 is provided with an insertion hole 105 into which the fixing arm 301 of the fixing piece 300 is inserted, the two fixing arms 301 of the fixing piece 300 are inserted into the waterproof holes 103 through the corresponding insertion holes 105, and after the fixing arms 301 are inserted, each fixing arm 301 is limited on the fixing clamping surface 208 on the corresponding cable waterproof clamping piece 201, so that the fixing piece 300 clamps the cable waterproof assembly 200 between the two fixing arms 301, and the cable waterproof assembly 200 is limited and fixed in the waterproof hole 103. In addition, a fixing piece positioning groove 106 is provided on the inner wall of each waterproof hole 103 corresponding to the fixing arm 301 of the fixing piece.
In addition, after the fixing member 300 is inserted into the waterproof hole 105 and is limited on the fixing clamping surface 208 on the cable waterproof clamping piece 201, a force is applied to the fixing member 300, so that the fixing member 300 moves along the insertion hole 105, and the cable waterproof assembly 200 is pushed to move in a direction (i.e. forward) close to the second waterproof surface 104 of the waterproof hole 105, so that the first waterproof surface 205 of the elastic sealing member 202 is pushed to be in sealing fit with the second waterproof surface 104 of the waterproof hole 103, and the elastic sealing member 202 is compressed to form a waterproof function. The stator positioning groove 106 provides a reverse supporting force for compressing the elastic sealing member 202 during the compression process of the elastic sealing member 202.
The wiring base 400 is connected to the second end surface 102 of the wire-incoming base 100 for wiring the cable 600. Specifically, as shown in fig. 2, in the present embodiment, a cable routing area 401 is formed in the wiring base 400, and the cable 600 includes a cable inlet end 601 and a cable outlet end 602, wherein after the cable 600 is clamped by the cable waterproof assembly 200, the cable enters the cable routing area 401 of the wiring base 400 through the waterproof hole 103 on the cable inlet base 100, and in the cable routing area 401, the cable inlet end 601 and the cable outlet end 602 are both wound in the cable routing area 401 according to the surplus length, and butt-jointed in the cable routing area 401. In practice, the incoming 601 and outgoing 602 ends of the cable may be fused or may be mated via the adapter 700. In this embodiment, the incoming 601 and outgoing 602 ends of the cable are mated via an adapter 700. Specifically, the wire inlet end 601 of the cable is wound in the cable routing area 401 according to the surplus length and is connected to one end of the adapter 700, and the wire outlet end 602 of the cable is connected to the other end of the adapter 700 and is wound in the cable routing area 401 according to the surplus length. The above-mentioned wiring manner of connecting the cable 600 in the cable routing area 401 can realize that more cable surplus length is accommodated in a small space.
In this embodiment, a plurality of fixing hooks 402 for fixing the adapter 700 are disposed in the wiring base 400, at least one adapter 700 is fixed between every two fixing hooks 401, and each fixing hook 401 is provided with a slot 403 matching with a protrusion 701 on a side of the adapter 700, so that the protrusions 701 on two sides of the adapter 700 are respectively clamped in the slots 403 of the two fixing hooks 402, and in implementation, a plurality of adapters 700 can be stacked and fixed between every two fixing hooks 402. In this embodiment, four fixing hooks 402 are disposed in the wiring base 400 side by side, a plurality of adapters 700 are stacked and fixed in each two fixing hooks 402, when the adapter 700 is detached, each row of stacked adapters 700 is detached from top to bottom in sequence, and each adapter 700 is detached from the clamping grooves 403 of the two fixing hooks 402 from bottom to top, so that the detachment can be realized, and the detachment is more convenient.
In addition, the incoming line and outgoing line of the cable 600 can be input and output from the same incoming line base 100, respectively, in this embodiment, the incoming line and outgoing line of the cable 600 are input and output from the same incoming line base 100, i.e. output from the same end. Alternatively, the incoming line and outgoing line of the cable 600 may be input and output from opposite ends, for example, an incoming line base 100 is provided at each of the two ends of the wiring base 400, and the cable 600 is input from the incoming line base 100 at one end and then output from the incoming line base 100 at the other end.
In addition, the upper end of the wiring base 400 is preferably opened, and the opening-shaped design can facilitate the adaptor to be taken out from the wiring base 400, so that the plugging operation of the cable inlet end 601 and the cable outlet end 602 can be more conveniently performed. In this embodiment, the end (i.e. the tail) of the wiring base 400 away from the second end surface 102 of the wire inlet base 100 is also opened, which is more convenient for plugging and unplugging the cable 600, disassembling and maintaining the adapter 700, etc.
As shown in fig. 1 and fig. 2, the casing 500 is sleeved outside the wire inlet base 100 and the wire inlet base 400, specifically, from the tail of the wire inlet base 400 to the direction close to the first end surface 102 of the wire inlet base 100, and the casing 500 is connected with the wire inlet base 100 in a sealing manner. Specifically, in this embodiment, a sealing ring 107 is circumferentially disposed on the outer surface of the incoming wire base 100, and the sealing ring 107 is located between the housing 500 and the incoming wire base 100, so that a closed waterproof space is formed in the housing 500, and the wiring base 400, the adapter 700 in the wiring base 400, the abutted cable 600, and the like are accommodated in the waterproof space, thereby realizing sealing and waterproofing.
In addition, as shown in fig. 1 and 2, the housing 500 and the incoming line base 100 are further connected by an releasable fastening structure, so as to facilitate the closing or opening operation of the housing 500. Specifically, in this embodiment, the clamping structure includes a housing fixing hook 108 disposed on the wire inlet base 100 and a clamping port 501 disposed on the housing 500, when the wire inlet base 100 is closed, the housing fixing hook on the wire inlet base 100 is embedded into the clamping port of the housing and limited by the clamping port, and when the wire inlet base 100 is opened, the housing fixing hook 108 on the wire inlet base 100 is separated from the clamping port 501 of the housing.
In addition, in the present embodiment, the entire incoming wire base 100 is approximately cylindrical, so that the entire junction box is approximately cylindrical in shape. Compared with the existing square box wiring box structure, the square box wiring box structure has the advantages of small volume, light weight and good field adaptability, can be easily installed at high places, hung on rods, buried in the ground, hidden in the rods or lapped on other equipment, avoids the high installation cost of the square box product, and can realize high-capacity cable connection under the condition of small volume.
In addition, in the implementation, the type of the adapter 700 can be changed to adapt to various optical fiber connectors, the adapter 700 can also be changed into a power connection terminal to adapt to the connection requirement of a power cable, part of the cable can be used as an optical/copper signal connection, part of the cable can be used as a power cable, the waterproof connection function can be realized, and the connection mode of an optical-electrical hybrid cable can be adopted, so that the signal connection and the power connection can be realized.
In addition, the product of the invention can be applied to 5G wiring, can be widely applied to other outdoor connection and wiring node schemes, and can be used for waterproof connection of cables and can be internally provided with other devices so as to adapt to various applications.
While the foregoing has been disclosed in the specification and drawings, it will be apparent to those skilled in the art that various substitutions and modifications may be made without departing from the spirit of the invention, and it is intended that the scope of the invention be limited not by the specific embodiments disclosed, but by the appended claims.