CN212515165U - Optical cable joint box - Google Patents

Abstract

The application is an optical cable joint box, its box bottom (2) that include lid (1) and be connected with lid (1), it includes: lid (1) and box bottom (2) adopt the integrated into one piece of moulding plastics, mould plastics between the two and have connect limit (21), connect limit (21) whole to be the bar, constitute by the flaky stationary blade of polylith in the bar structure, the stationary blade is including being bar staggered arrangement's first stationary blade (21a) and second stationary blade (21b), utilizes the mode of moulding plastics, and integrated into one piece lid (1) and box bottom (2), mould plastics out simultaneously between the two and connect limit (21) and realize the monolithic connection, not only saves the technology step, and the sealing connection's that combines between the two grade is higher, and adopts the crisscross stationary blade of bar to form and connect limit (21), crisscross structure has crisscross location and the extruded effect of buffering when buckling.

Description

Optical cable joint box

Technical Field

The application relates to the field of connection of optical cables, in particular to an optical cable joint box.

Background

The optical cable joint box is a popular optical cable connecting box, and is also called an optical cable connecting bag, an optical cable joint bag and a gun barrel. The optical cable joint box is mainly used at the position of direct connection and branch connection of laying modes such as overhead, pipelines, direct burial and the like of optical cables with various structures, and has higher requirement on the sealing grade.

How to ensure that a box cover and a box bottom in an optical cable joint box are connected and simultaneously realize higher sealing combination grade between the box cover and the box bottom.

Disclosure of Invention

The purpose of the application is: the box cover and the box bottom of the optical cable joint box are connected into a whole, so that the connection is ensured, and the sealing combination grade between the box cover and the box bottom is higher.

The utility model provides an optical cable joint box, it includes lid and the box bottom of being connected with the lid, and it includes that this application's purpose is accomplished through following technical scheme: the box cover and the box bottom are integrally formed by injection molding, a connecting edge is injected between the box cover and the box bottom, the connecting edge is integrally strip-shaped, a strip-shaped structure is internally composed of a plurality of sheet-shaped fixing pieces,

the fixing pieces comprise a first fixing piece and a second fixing piece which are arranged in a strip-shaped staggered manner,

the second fixing piece is accommodated between the two adjacent first fixing pieces, a concave staggered opening is formed in the side edge, close to the box bottom, of the second fixing piece, and a convex extrusion strip is formed in the side edge, close to the box cover, of the second fixing piece.

Preferably, a convex strip protrudes from the box cover at a position close to the connecting edge, and the convex strip is parallel to the arrangement direction of the connecting edge.

Preferably, the protruding strip is provided with one strip, and the protruding strip is annularly arranged along the opening on the side edge of the box cover.

Preferably, the position of the box bottom close to the connecting edge is recessed with at least two grooves, and the arrangement directions of the grooves and the connecting edge are parallel.

Preferably, a rubber-insulated wire sealing block and an optical cable sealing block are embedded in the side wall of the box bottom;

and an optical cable pressing block is fixed outside the side wall of the box bottom close to the optical cable sealing block.

Preferably, a cable fixing piece is fixed in the box bottom close to the cable sealing block.

Preferably, a fiber melting disc is fixed in the middle of the inner part of the box bottom, and a reinforcing core pressing block is fixed in the box bottom along the outer side of the fiber melting disc.

Preferably, a turning plate is fixed on the side wall of the box bottom close to the outer side of the fiber melting plate, a support is fixed between the side wall of the box bottom and the turning plate, and the turning plate is further provided with a sheet flange plate.

Preferably, the outer side wall of the box bottom is also fixed with a lock catch, and the box cover is provided with a bulge which is correspondingly buckled with the lock catch.

Preferably, a box body sealing strip is annularly arranged on an opening with an open box bottom, and a self-supporting rubber-covered wire and an optical cable are spliced on the side wall along the box bottom.

Compared with the prior art, the application has the following obvious advantages and effects:

1. utilize the mode of moulding plastics, integrated into one piece lid and box bottom mould plastics simultaneously between the two and connect the limit and realize the monolithic phase connection, not only save the technology step, and the sealing connection's that combines between the two grade is higher, and adopts the crisscross stationary blade of bar to constitute and connect the limit, crisscross structure has crisscross location and buffering extruded effect when buckling.

Drawings

Fig. 1 is a diagram of the overall structural arrangement of the present application.

Fig. 2 is an enlarged view of the structure of the portion a in fig. 1 of the present application.

Fig. 3 is a perspective view of a rubber-insulated wire sealing block according to the present application.

Fig. 4 is a perspective view of another rubber-insulated wire sealing block of the present application.

Fig. 5 is a perspective view of a cable compact according to the present application.

Fig. 6 is a perspective view of the cable sealing block according to the present application.

Fig. 7 is a perspective view of a cable fixing block according to the present application.

Fig. 8 is a perspective view of the lock of the present application.

Fig. 9 is a perspective view of a fiber-melting plate according to the present application.

Fig. 10 is a perspective view of the flap in the present application.

Fig. 11 is a perspective view of a first side stand according to the present application.

Fig. 12 is a perspective view of a second side stand according to the present application.

Fig. 13 is a perspective view of a reinforcing core compact according to the present application.

Fig. 14 is a perspective view of the box body weather strip in the present application.

Fig. 15 is a perspective view of the flange plate according to the present application.

Fig. 16 is an exploded perspective view of the rubber-insulated wire sealing block of fig. 4 of the present application.

Fig. 17 is a perspective view of a cable seal according to the present application.

Fig. 18 is a cross-sectional view taken along the line a-a in fig. 17 of the present application.

Fig. 19 is a right side view of the cable seal of fig. 17 of the present application.

Parts list

Detailed Description

Specific embodiments thereof are described below in conjunction with the following description and the accompanying drawings to teach those skilled in the art how to make and use the best mode of the present application. For the purpose of teaching application principles, the following conventional aspects have been simplified or omitted. Those skilled in the art will appreciate variations from these embodiments that fall within the scope of the application. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the present application. In the present application, the terms "upper", "lower", "left", "right", "middle" and "one" are used for clarity of description, and are not used to limit the scope of the invention, and the relative relationship between the terms and the corresponding terms may be changed or adjusted without substantial technical change. Thus, the present application is not limited to the specific embodiments described below, but only by the claims and their equivalents.

Fig. 1-15 illustrate one particular embodiment of a cable closure of the present application.

It should be noted that, in the prior art, many of the connections between the box cover 1 and the box bottom 2 of the optical cable splice box are separated, because a step-by-step manufacturing method is adopted, the box cover 1 and the box bottom 2 can be manufactured by one-step molding through opening the mold on the same template, but after the two are demolded, waste materials between the two are generated and need to be removed. Lid 1 in this application adopts the integrated into one piece that moulds plastics with box bottom 2, and among the synchronous prior art, the part of waste material, the design is the connection limit 21 of moulding plastics between lid 1 and box bottom 2, has not only avoided the technology that the waste material was clear away, and sets up to the structure of this connection limit 21, and it sets up to crisscross sheet structure, and the damaged fracture that single sheet structure of avoiding that can be very big leads to just has the rebound effect, and is practical more convenient.

Specifically, in the design, the box cover 1, the box bottom 2 and the connecting edge 21 in the optical cable joint box are integrally formed by injection molding, and a sheet-shaped groove is arranged in a mold between the box cover and the box bottom for injection molding, wherein the connecting edge 21 formed by injection molding of the sheet-shaped groove is integrally strip-shaped. In order to overcome the problems caused by damage, rebound and extrusion of the injection molding material, the strip-shaped structure of the connecting edge 21 is composed of a plurality of sheet-shaped fixing pieces, and the structure of the sheet is utilized to resist damage and tearing, buffer rebound and absorb extrusion amount. In which regular arc-shaped pieces are used, as shown in fig. 1 and 2 in particular, the enlarged fixing piece includes a first fixing piece 21a and a second fixing piece 21b which are arranged in a staggered strip shape, wherein the fixing pieces may also be designed as rectangular pieces.

By means of injection molding, the integrally molded box cover 1 and the box bottom 2 are integrally connected by simultaneously injecting the connecting edge 21 between the box cover and the box bottom, so that the process steps are saved, the grade of sealing connection between the box cover and the box bottom is higher, the connecting edge 21 is formed by the strip-shaped staggered fixing pieces, and the staggered structure has the effects of staggered positioning and buffering extrusion during bending.

As shown in fig. 1, in the embodiment of the present application, the connecting side 21 in the optical cable joint box is integrally strip-shaped, the strip-shaped structure is composed of a plurality of fixing pieces in sheet shape, the plurality of fixing pieces are combined to form the connecting side 21, the fixing pieces on the connecting side 21 are integrally arranged in strip shape, the specific internal structures are staggered, the staggered arrangement between the structures is specifically a row of a first fixing piece 21a and a second fixing piece 21b in sequence, wherein the fixing pieces are rectangular structures, the second fixing piece 21b is accommodated between two adjacent first fixing pieces 21a, and the sequentially arranged fixing pieces form an integrally continuous structure.

In the staggered position, the side edge of the second fixing piece 21b close to the box bottom 2 is provided with a concave staggered opening 21c, the side edge of the second fixing piece 21b close to the box cover 1 is provided with a convex extrusion strip 21d, when the box cover 1 and the box bottom 2 are bent and clamped, the staggered opening 21c accommodates the convex parts at the two side edge positions, so that a filling effect is formed, and the phenomenon that the structure is broken due to bending can be avoided, so that an accommodating space is provided. Wherein, a convex pressing strip 21d is provided on the upper side of the concave opening, i.e. a concave structure is formed between the two pressing strips 21d along the upper side.

It should be further described that, a protruding strip 1a protrudes from a position of the box cover 1 close to the connecting edge 21, the protruding strip 1a is parallel to the arrangement direction of the connecting edge 21, it is ensured that the extruded position of the protruding strip 1a is accommodated along the side position, and the protruding strip 1a and the groove 2a are combined to form a butt-joint sealing structure, so that the sealing effect of the side edge can be further improved.

Wherein, sand grip 1a is equipped with one, and this sand grip 1a encircles along the mouth of lid 1 side and establishes, and specific this annular sets up according to the open state of box bottom 2 and sets for, for example: in fig. 1, the box bottom 2 is rectangular and is open, so that the protruding strips 1a are annularly arranged along the rectangular side wall of the box cover 1 to further form the abutting protruding strips 1a at the positions of the grooves 2 a.

It should be noted that the position of the box bottom 2 near the connecting edge 21 is recessed with a groove 2a, and in order to improve the sealing grade, a plurality of grooves 2a and a plurality of annular ribs 1a can be provided for abutting joint in the process of annularly arranging the ribs 1 a.

Specifically, the grooves 2a are also annularly arranged and can be arranged into two grooves, the single side edges of the grooves 2a are arranged in the arrangement direction of the connecting edges 21 and are similarly parallel, specifically, the grooves 2a are annularly butted with the annular raised lines 1a, and a raised line and a concave line are arranged between the two annularly butted structures.

In the present application, with reference to fig. 1, the rubber-insulated-wire sealing block 3 is disposed at a position on a side wall of the box bottom 2, two structures of the rubber-insulated-wire sealing block 3 are disclosed in fig. 3 and 4, wherein the self-supporting rubber-insulated wire 13 in fig. 1 is sealed between the two rubber-insulated-wire sealing blocks 3, and is sealed at the position of the outgoing line, so as to ensure that the sealing structure is relatively stable and has a high grade.

In this application, combine to establish in fig. 1 at the sealed piece 5 of optical cable of 2 lateral wall positions of box bottom, the optical cable is pegged graft on the sealed piece 5 of optical cable, realizes the sealed of inlet wire, and wherein, fig. 6 discloses the structure of the sealed piece 5 of optical cable, and the taper structure of its intermediate position is used for grafting the optical cable, can realize the self sealss along the taper hole to the optical cable, and sealed along the packing in the taper hole, the realization is sealed.

Specifically, a rubber-insulated wire sealing block 3 and an optical cable sealing block 5 are embedded in the side wall of the box bottom 2; the flat wire of the wire entering and exiting the box bottom 2 is pressed and sealed by a rubber-insulated wire sealing block 3, and the round wire of the optical cable sealing block 5 is filled and sealed in a conical shape.

Further for supplementary fixed, avoid the circuit to remove the sealed influence that leads to, consequently, at the fixed optical cable briquetting 4 of the position that is close to optical cable seal block 5, fix the optical cable circuit through optical cable briquetting 4, avoid sealed position to receive the influence, optical cable briquetting 4 is fixed the circuit, and the fixed more firm between circuit, optical cable briquetting 4 and box bottom 2 lateral walls, as shown in fig. 5 its fixed setting of optical cable briquetting 4 on the lateral wall of box bottom 2.

It should be noted that, in the embodiment of the present application, as shown in fig. 1 and 7, the optical cable fixing piece 6 is integrally a sheet-shaped structure, the optical cable fixing piece 6 is fixed in the box bottom 2, and the optical cable fixing piece 6 is close to the box bottom 2 of the optical cable sealing block 5, the optical cable fixing piece 6 is used to fix the line entering the box body, the optical cable pressing block 4 and the optical cable fixing piece 6 are fixed along both the line inlet position and the line outlet position, so that a stable structure is maintained between the line and the box body, and a sealant or a glass cement is coated at the position of the stabilized line inlet and outlet, which has extremely strong and stable sealing performance.

In the embodiment of the present application, as shown in fig. 1 and 9, the fused fiber plate 8 is fixed at the middle position inside the box bottom 2, as shown in fig. 9, the three-dimensional structure of the fused fiber plate 8 is seen, the middle position of the fused fiber plate 8 is vacant, and the upper side and the lower side lay the circuit, thereby forming a stable supporting and routing structure.

Further, as shown in fig. 1 and fig. 13, in a specific structure, a core reinforcement pressing block 10 is fixed in the box bottom 2 along the outer side of the fiber melting disc 8, a screw hole is formed in the middle of the three-dimensional structure of the core reinforcement pressing block 10, the core reinforcement pressing block 10 is fixed through the screw hole, and the optical cable is combined with the structure inside the box bottom 2 through the fixing structure, so that the stable effect of installing and positioning the line or the accessory structure is improved.

In the embodiment of the present application, as shown in fig. 1 and 10, a turning plate 9 is fixed on the side wall of the box bottom 2 near the outer side of the fiber melting plate 8, the turning plate 9 is a smooth plane plate, and the line is pressed through the plate body, wherein, brackets are arranged on both sides of the turning plate 9, and the structure of the brackets on the left and right sides in fig. 11 and 12 is illustrated in a three-dimensional manner through the brackets 91 and 92, namely, the first side bracket 91 and the second side bracket 92, wherein the brackets are fixed on the side wall of the box bottom 2.

In order to further assist the fixing of the optical cable lines inside the box body, a flange plate 12 marked in fig. 15 is provided, and the flange plate 12 is in a sheet structure, for example, the flange plate 12 is in a rectangular plate structure, wherein the structure has a plurality of holes, and a single line can be arranged through the holes, so that the fixing is not only neat but also convenient.

In the embodiment of the present application, as shown in fig. 1 and 8, a lock catch 7 is further fixed on the outer side wall of the box bottom 2, and a protrusion corresponding to the lock catch 7 is provided on the box cover 1. With the structure of fig. 1, the lock catch 7 is in a bent angle shape, and has a plurality of clamping strips and clamping points inside, and the clamping strips or the clamping points are clamped with the protruding position at the top of the box cover 1, and the lock catch 7 is butted with a steel ring on the positioning structure of the lock catch 7, so that the steel ring can realize the buffering effect of the fixing structure.

In the embodiment of the present application, as shown in fig. 1 and 11, the opening of the box bottom 2 is annularly provided with a box body sealing strip 11, the box body sealing strip 11 can be positioned in the groove 2a, and the auxiliary groove 2a is sealed with the convex strip 1 a.

It should be noted that, referring to fig. 1, a self-supporting rubber-covered wire 13 and an optical cable 14 are inserted along a sidewall of the box bottom 2, wherein the self-supporting rubber-covered wire 13 is a flat structure, the optical cable 14 is a cylindrical structure, and the two lines are separated inside the box body to achieve welding or butt joint.

Specifically, as shown in fig. 4 and 16, the rubber-insulated wire sealing block 3 is provided with a plurality of groove structures. The structure of a plurality of grooves is butted with the flat structure of the self-supporting leather-covered wire 13 in fig. 1, so that stable sealing is realized, the self-supporting leather-covered wire 13 is flat by a plurality of branch wires, and one branch wire is butted by one groove. Therefore, a plurality of strip-shaped grooves are hollowed on the upper surface of the rubber-insulated wire sealing block 3; the bottom surface of one branch line is arc-shaped, so that the cross sections of the grooves are in U-shaped structures, the bottoms of the grooves are provided with the caulking groove bodies 36 of a cuboid structure, and the whole body is embedded into the side wall of the box bottom 2 through the caulking groove bodies 36 to be sealed and fixed.

The rubber-insulated-wire sealing block 3 is provided with a plurality of grooves, one of the grooves is provided with an access groove 31 at the side edge position of the groove, a sealing groove 32 at the middle position of the groove and a sending groove 33 at the other side edge position of the groove, the access groove 31, the sealing groove 32 and the sending groove 33 are arranged in a straight shape to form a butt-joint sealing groove of a branch line, and a multi-stage sealing structure from inside to outside is formed, the sealing performance is strong, multi-stage sealing is carried out for assistance, the sealing structure is separated to form multi-stage sealing, specifically, two sealing walls are arranged, and a first block-shaped sealing wall 34 is protruded between the access groove 31 and the sealing groove 32. A block-shaped second seal wall 35 projects between the seal groove 32 and the feed-out groove 323.

In order to facilitate the manufacture of the auxiliary box bottom 2, the auxiliary rubber-insulated-wire sealing block 3 is embedded into the side wall of the box bottom 2, and it is convenient to coat glue during the embedding, so that the bottom ends of both sides of the caulking groove body 36 are respectively provided with a guide angle 361 with a circular arc-shaped section, the guide angles 361 are used for assisting the positioning, and the guide angles 361 are used for filling the sealant to flow towards the ground of the caulking groove body 36.

As shown in fig. 6, 17, 18 and 19, in the cable sealing block 5, in a further modification of the cable sealing block 5,

the cable sealing block 5 is provided with a truncated cone-shaped taper sleeve 53, and the taper sleeve 53 is used for self-adaptive sealing of the optical cable L. In order to assist in fixing, the taper sleeve 53 can be further sealed by filling sealant after being fixed, so that a hollow truncated cone-shaped adapting groove 55 is formed in the taper sleeve 53, the sealant is filled along the adapting groove 55, and in order to ensure that the optical cable L can be installed in a truncated cone of the adapting groove 55, the truncated cone has an outer diameter a and an inner diameter b; the diameter c value of the optical cable is smaller than the outer diameter a value of the circular truncated cone and larger than the inner diameter b value of the circular truncated cone.

The cable sealing block 5 also has a cable port 34 that interfaces with the accommodating groove 55, the cable port 34 being larger than the diameter of the cable for positioning the cable while filling the location with glue for sealing to assist in enhancing the sealing rating.

Wherein, the outer side of the optical cable port 54 is provided with an annular sealing ring 52, the sealing ring 52 extends outwards to form a cuboid sealing block 51, an embedding structure of the box bottom 2 is formed by the sealing ring 52 and the sealing block 51, the structure is embedded into the side wall to form the side wall of the box bottom 2, and glue is coated for sealing and fixing during embedding.

The sealing block 51 is a cuboid solid structure, a strip-shaped box cover groove 511 penetrates through the top of the sealing block, and the box cover groove 511 is mainly used for installing the box body sealing strip 11 so as to assist the box body sealing strip 11 to perform positioning sealing with the side edge of the box cover 1.

Since any modifications, equivalents, improvements, etc. made within the spirit and principles of the application may readily occur to those skilled in the art, it is intended to be included within the scope of the claims of this application.

Claims (10)

1. The utility model provides an optical cable joint box, its includes lid (1) and box bottom (2) be connected with lid (1), its characterized in that includes: the box cover (1) and the box bottom (2) are integrally formed by injection molding, a connecting edge (21) is injected between the two, the connecting edge (21) is integrally strip-shaped, a strip-shaped structure is internally provided with a plurality of sheet-shaped fixing pieces,

the fixing pieces comprise a first fixing piece (21a) and a second fixing piece (21b) which are arranged in a strip-shaped staggered manner,

a second fixing piece (21b) is accommodated between two adjacent first fixing pieces (21a), a concave staggered opening (21c) is formed on the side edge of the second fixing piece (21b) close to the box bottom (2), and a convex extrusion strip (21d) is formed along the side edge of the second fixing piece (21b) close to the box cover (1).

2. A cable closure according to claim 1, wherein: protruding strips (1a) protrude from the position, close to the connecting edge (21), of the box cover (1), and the protruding strips (1a) are parallel to the arrangement direction of the connecting edge (21).

3. A cable closure according to claim 2, wherein: the convex strip (1a) is provided with one convex strip, and the convex strip (1a) is annularly arranged along the opening of the side edge of the box cover (1).

4. A cable closure according to claim 1, wherein: the above-mentioned

The position of box bottom (2) near connecting limit (21) is sunken fluted (2a), recess (2a) are equipped with two at least, recess (2a) are parallel with connecting limit (21) array direction.

5. A cable closure according to claim 1, wherein: the above-mentioned

A rubber-insulated wire sealing block (3) and an optical cable sealing block (5) are embedded in the side wall of the box bottom (2);

an optical cable pressing block (4) is fixed outside the side wall of the box bottom (2) close to the optical cable sealing block (5).

6. A cable closure according to claim 2, wherein: the above-mentioned

An optical cable fixing piece (6) is fixed in the box bottom (2) close to the optical cable sealing block (5).

7. A cable closure according to claim 1, wherein: the above-mentioned

A fiber melting disc (8) is fixed in the middle of the inside of the box bottom (2), and a reinforcing core pressing block (10) is fixed in the box bottom (2) along the outer side of the fiber melting disc (8).

8. A cable closure according to claim 7, wherein: the above-mentioned

A turning plate (9) is fixed on the side wall of the box bottom (2) close to the outer side of the fiber melting plate (8), supports (91 and 92) are fixed between the side wall of the box bottom (2) and the turning plate (9), and the turning plate (9) is further provided with a sheet-shaped flange plate (12).

9. A cable closure according to claim 1, wherein: the above-mentioned

The outer side wall of the box bottom (2) is also fixed with a lock catch (7), and the box cover (1) is provided with a bulge which is correspondingly buckled with the lock catch (7).

10. A cable closure according to claim 1, wherein: the above-mentioned

The opening of the box bottom (2) is annularly provided with a box body sealing strip (11), and a self-supporting rubber-covered wire (13) and an optical cable (14) are inserted and connected on the side wall of the box bottom (2).

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