CN211206893U - Optical fiber splice closure - Google Patents

Abstract

The utility model relates to an optical fiber splice closure: including the box body that has the inner chamber, the box body is formed by preceding box body and back box body amalgamation, and preceding box body divide into the inner chamber with the back box body before, back two parts, be equipped with on the preceding terminal surface of back box body with back box body integrated into one piece and seal annular sealed sand grip, the inner chamber that is located on the back box body is located the inboard of sealed sand grip, be equipped with on the rear end face of preceding box body with sealed sand grip matched with and be sealed annular sealed recess, the inner chamber that is located on the preceding box body is located the inboard of sealed recess, sealed sand grip inserts in sealed recess, and seal firmly to form between the recess. The utility model has the advantages that: the sealing structure is simple, the sealing performance is stable, and the dustproof and waterproof effects are good.

Description

Optical fiber splice closure

Technical Field

The utility model relates to a connecting piece of light guide specifically is an optical fiber splice closure.

Background

Fiber optic closures are used for protective connectivity between two or more optical fibers, fiber distribution, and are one of the most common devices used in subscriber access points. The existing optical fiber splice closure is generally formed by splicing a front box body and a rear box body, and in order to avoid dust, rainwater and the like from entering an inner cavity of the optical fiber splice closure, a sealing structure is usually arranged at the splicing part of the front box body and the rear box body. Although the sealing structure is simple in structure, the sealing structure has the following defects: rubber seal easily ages promptly to after the long-term use of optic fibre splice box, can make before the box body and the deterioration of the dustproof of back box body, waterproof effect or even inefficacy.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a seal structure is simple, and sealing performance is stable, dustproof, the good optic fibre splice closure of water-proof effects.

In order to solve the technical problem, the utility model provides an optical fiber splice closure of following structure: including the box body that has the inner chamber, the box body is formed by preceding box body and back box body amalgamation, and preceding box body divide into the inner chamber with the back box body before, back two parts, wherein, be equipped with on the preceding terminal surface of back box body with back box body integrated into one piece and seal annular sealed sand grip, the inner chamber that is located on the back box body is located the inboard of sealed sand grip, be equipped with on the rear end face of preceding box body with sealed sand grip matched with and be sealed annular sealed recess, the inner chamber that is located on the preceding box body is located the inboard of sealed recess, sealed sand grip inserts in sealed recess, and seal firmly sealedly with forming between the recess.

After adopting above-mentioned structure, compare with prior art, the utility model has the advantages of it is following: the utility model discloses sealed effect between box body and the back box body before the optical fiber splice box reaches through sealed sand grip and the hard seal between the sealed recess, and sealed sand grip and back box body integrated into one piece, sealed recess and preceding box body integrated into one piece, consequently make and need not additionally set up rubber seal between preceding box body and the back box body, thereby not only make the utility model discloses the seal structure of optical fiber splice box becomes more simple, has avoided moreover leading to the dustproof between preceding box body and the back box body because of rubber seal is ageing, the circumstances that water-proof effects worsens takes place, has guaranteed the sealing stability between preceding box body and the back box body, makes the utility model discloses optical fiber splice box can keep better dustproof, water-proof effects for a long time.

Optical fiber splice closure, wherein, sealed sand grip's internal perisporium and periphery wall are inclined plane, the internal peripheral edge and the periphery edge of sealed groove notch compress tightly respectively on sealed sand grip's internal perisporium and periphery wall.

Above-mentioned structure not only can be convenient for sealed sand grip insert sealed recess in to the box body is more inseparable with back box body complex before the assembly of box body and back box body before being convenient for, thereby sealing performance between sand grip and the sealed recess is better, and then can promote the utility model discloses dustproof, the water-proof effects of optic fibre splice box.

Optical fiber splice box, wherein, the internal week side and the periphery side of sealed groove opening part compress tightly respectively in the internal perisporium bottom and the periphery wall bottom of sealed sand grip, the rear end face of preceding box body laminates each other with the preceding terminal surface of back box body.

Above-mentioned structure can make preceding box body more inseparable with back box body complex to make the sealing performance between sealed sand grip and the sealed recess better, and then can promote the utility model discloses dustproof, the water-proof effects of optic fibre splice box.

Optical fiber splice box, wherein, be equipped with two at least logical line holes on the box body, every leads to the line hole and all runs through sealed sand grip and sealed recess to communicate with each other with the inner chamber, lead to the downthehole sealed gum cover that is equipped with of line, the periphery wall and the whole internal perisporium tight fit that leads to the line hole of sealed gum cover.

Above-mentioned structure makes the seal structure that comprises sealed sand grip and sealed recess effectively combine with the seal structure of through-wire hole department to guaranteeing the utility model discloses when the optic fibre splice closure is dustproof, water-proof effects, can also make the utility model discloses the overall structure of optic fibre splice closure is more compact, thereby is favorable to the utility model discloses the miniaturized development of optic fibre splice closure.

Optical fiber splice closure, wherein, preceding box body and back box body divide into preceding, back two with logical line hole axial, all be equipped with a sealed protruding muscle before being located the back box body of every logical radial both sides in line hole on the box body of back, sealed protruding muscle length direction sets up along the corresponding axis direction that leads to the line hole, all be equipped with one and sealed protruding muscle matched with sealed muscle groove on the preceding box body rear end face of every logical radial both sides in line hole on the box body before being located, sealed protruding muscle inserts at sealed muscle inslot to and sealed muscle groove between form hard seal.

The two-half structure of the through wire hole can facilitate the installation and fixation of the sealing rubber sleeve, and the sealing matching structure between the sealing convex rib and the sealing rib groove can greatly improve the dustproof and waterproof effects of the through wire hole.

Optical fiber splice closure, wherein, the circumference lateral wall of sealed protruding muscle is the inclined plane that inclines, the circumference border of sealed muscle groove notch compresses tightly the bottom at the circumference lateral wall of sealed protruding muscle.

Above-mentioned structure can make preceding box body more inseparable with back box body complex to make the sealing performance between sealed protruding muscle and the sealed muscle groove better, and then can promote the utility model discloses dustproof, the water-proof effects of optic fibre splice box.

Optical fiber splice closure, wherein, on the one end of sealed protruding muscle extended to the periphery wall of sealed sand grip always, make sealed protruding muscle be connected as a whole with sealed sand grip, the one end in sealed muscle groove communicates with each other with sealed recess, makes sealed muscle groove and sealed recess intercommunication be a whole.

Above-mentioned structure makes the seal structure that comprises sealed protruding muscle and sealed muscle groove, the seal structure that comprises sealed sand grip and sealed recess and the seal structure three of through-wire hole department effectively combine to guaranteeing the utility model discloses the optic fibre splice closure is dustproof, when water-proof effects, can also make the utility model discloses the overall structure of optic fibre splice closure is more compact, thereby is favorable to the utility model discloses the miniaturized development of optic fibre splice closure.

Optical fiber splice closure, wherein, every sealed protruding muscle is equipped with a plurality of sealed lugs towards all being equipped with at intervals on the lateral wall in logical line hole, sealed lug free end extends to in the corresponding logical line hole, and make the terminal surface of sealed lug free end constitute the partly of corresponding logical line hole internal perisporium, all be equipped with a plurality of and sealed lug matched with sealed slot on the lateral wall of every sealed recess, sealed slot one end communicates with each other with corresponding logical line hole, sealed lug is inserted in the sealed slot that corresponds, and two lateral walls of sealed lug are hugged closely with two lateral walls that correspond sealed slot respectively.

The matching structure of the sealing lug and the sealing slot not only can play a good positioning role when the front box body and the rear box body are mutually spliced, so that the matching precision of the front box body and the rear box body at the through hole is better, but also the sealing structure easily has a sealing effect, so that the dustproof and waterproof effects at the through hole can be further improved; moreover, above-mentioned structure still makes the seal structure that comprises seal lug and sealed slot, the seal structure that comprises sealed protruding muscle and sealed rib groove, the seal structure that comprises sealed sand grip and sealed recess and the seal structure four of through-wire hole department effectively combine, thereby is guaranteeing the utility model discloses when the optic fibre splice closure is dustproof, water-proof effects, can also make the utility model discloses the overall structure of optic fibre splice closure is more compact, thereby is favorable to the utility model discloses the miniaturized development of optic fibre splice closure.

Optical fiber splice closure, wherein, two lateral walls of sealed lug and two lateral walls of sealed slot are inclined plane.

Above-mentioned structure makes the cooperation structure of sealed lug and sealed slot not only can play better direction and positioning action when box body and back box body amalgamation each other in the front, makes the cooperation precision of the preceding box body of through-wire hole department and back box body better, but also can make itself have better sealed effect to can further high through-wire hole department dustproof, water-proof effects.

Optical fiber splice closure, wherein, sealed sand grip protrusion all forms one of them sealed lug in every sealed protruding muscle towards the part of lead to line hole lateral wall.

Above-mentioned structure can make the utility model discloses optical fiber splice closure's overall structure is more compact, thereby is favorable to the utility model discloses optical fiber splice closure's miniaturized development.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the optical fiber splice closure of the present invention;

fig. 2 is an exploded view of the optical fiber splice closure of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the front cover of the optical fiber splice closure of the present invention;

fig. 4 is a schematic view of the main-view structure of the optical fiber splice closure of the present invention;

FIG. 5 is an enlarged sectional view taken along line A-A of FIG. 4;

fig. 6 is an enlarged sectional view taken along line B-B in fig. 4.

Description of reference numerals: 1. a box body; 2. an inner cavity; 3. a front box body; 4. a rear box body; 5. sealing the convex strips; 6. sealing the groove; 7. a through hole; 8. sealing the rubber sleeve; 9. sealing the convex ribs; 10. sealing the rib groove; 11. sealing the bump; 12. sealing the slot; 13. and (7) fixing holes.

Detailed Description

The following provides a more detailed description of the optical fiber splice closure of the present invention with reference to the accompanying drawings and the detailed description thereof.

In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", and the like indicate orientations or state relationships based on the orientations or state relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the mechanism or member referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 6, the optical fiber splice closure of the present invention comprises a closure body 1 having an inner cavity 2, the closure body is formed by splicing a front closure body 3 and a rear closure body 4, and the front closure body 3 and the rear closure body 4 divide the inner cavity 2 into a front part and a rear part, and the front closure body 3 and the rear closure body 4 are locked and fixed to each other by a plurality of screw fasteners (not shown in the figure) after being spliced; be equipped with on the preceding terminal surface of back box body 4 with 4 integrated into one piece of back box body and seal annular sealed sand grip 5, the inner chamber 2 that is located on the box body 4 of back is located the inboard of sealed sand grip 5, be equipped with on the rear end face of preceding box body 3 with sealed sand grip 5 matched with and be and seal annular sealed recess 6, the inner chamber 2 that is located on the preceding box body 3 is located the inboard of sealed recess 6, sealed sand grip 5 inserts in sealed recess 6 to and sealed recess 6 between form hard seal.

The hard seal between the sealing convex strip 5 and the sealing groove 6 in the embodiment means that the inner peripheral wall and the outer peripheral wall of the sealing convex strip 5 are both inclined planes, and the inner peripheral edge and the outer peripheral edge of the notch of the sealing groove 6 are respectively pressed on the inner peripheral wall and the outer peripheral wall of the sealing convex strip 5; the inner peripheral edge of the notch of the sealing groove 6 refers to an annular boundary part of the inner peripheral wall of the sealing groove 6 and the rear end face of the front box body 3, and the outer peripheral edge of the notch of the sealing groove 6 refers to an annular boundary part of the outer peripheral wall of the sealing groove 6 and the rear end face of the front box body 3.

Preferably, the inner peripheral side and the outer peripheral side of the opening of the sealing groove 6 are respectively pressed at the bottom of the inner peripheral wall and the bottom of the outer peripheral wall of the sealing convex strip 5, and the rear end face of the front box body 3 is attached to the front end face of the rear box body 4.

Preferably, the box body 1 is provided with at least two through hole 7, each through hole 7 penetrates through the sealing convex strip 5 and the sealing groove 6 and is communicated with the inner cavity 2, a sealing rubber sleeve 8 is arranged in each through hole 7, and the outer peripheral wall of each sealing rubber sleeve 8 is tightly matched with the inner peripheral wall of the whole through hole 7; the through hole 7 in this embodiment is four.

Preferably, preceding box body 3 and back box body 4 will lead to line hole 7 and divide into preceding, the back two halves axially, be located and all be equipped with a sealed protruding muscle 9 on the preceding terminal surface of the back box body 4 of every logical line hole 7 radial both sides on the box body 4 back, sealed protruding muscle 9 length direction sets up along the corresponding axis direction that leads to line hole 7, be located all be equipped with one and sealed protruding muscle 9 matched with sealed muscle groove 10 on the preceding box body 3 rear end face of every logical line hole 7 radial both sides on the preceding box body 3, sealed protruding muscle 9 inserts in sealed muscle groove 10 to and sealed muscle groove 10 between form hard seal.

In this embodiment, the hard seal between the sealing rib 9 and the sealing rib groove 10 means that the circumferential side wall of the sealing rib 9 is an inclined slope, and the circumferential edge of the notch of the sealing rib groove 10 is pressed against the bottom of the circumferential side wall of the sealing rib 9.

Preferably, one end of the sealing rib 9 extends to the outer peripheral wall of the sealing convex strip 5, so that the sealing rib 9 and the sealing convex strip 5 are connected into a whole, one end of the sealing rib groove 10 is communicated with the sealing groove 6, and the sealing rib groove 10 is communicated with the sealing groove 6 into a whole.

Preferably, a plurality of sealing convex blocks 11 are arranged on the side wall of each sealing convex rib 9 facing the through hole 7 at intervals, the free ends of the sealing convex blocks 11 extend into the corresponding through hole 7, the end faces of the free ends of the sealing convex blocks 11 form a part of the inner peripheral wall of the corresponding through hole 7, a plurality of sealing slots 12 matched with the sealing convex blocks 11 are arranged on the side wall of each sealing groove 6, one ends of the sealing slots 12 are communicated with the corresponding through hole, the sealing convex blocks 11 are inserted into the corresponding sealing slots 12, and the two side walls of each sealing convex block 11 are respectively clung to the two side walls of the corresponding sealing slot 12.

Preferably, both side walls of the sealing protrusion 11 and both side walls of the sealing insertion groove 12 are inclined.

Preferably, the part of the sealing rib 5 protruding from each sealing rib 9 towards the side wall of the through hole 7 forms one of the sealing protrusions 11.

The upper end of the box body 1 in the embodiment is provided with a fixing hole 13, and a user can conveniently hang the box body 1 on a hook on a wall through the fixing hole 13; in addition, all lead to line hole 7 and all transversely set up, lead to the exit end in line hole 7 promptly and all set up on the left side wall or the right side wall of box body 1, make like this during dust, rainwater etc. more are difficult for entering into inner chamber 2, thereby can make the utility model discloses optic fibre splice box has better dustproof, water-proof effects.

The above embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims (10)

1. The utility model provides an optical fiber splice box, is including box body (1) that has inner chamber (2), the box body is formed by preceding box body (3) and back box body (4) amalgamation, just preceding box body (3) and back box body (4) divide into preceding, back two parts, its characterized in that with inner chamber (2): be equipped with on the preceding terminal surface of back box body (4) with back box body (4) integrated into one piece and seal annular sealed sand grip (5), be located inner chamber (2) on the back box body (4) are located the inboard of sealed sand grip (5), be equipped with on the rear end surface of preceding box body (3) with sealed sand grip (5) matched with and be sealed annular sealed recess (6), be located inner chamber (2) on the preceding box body (3) are located the inboard of sealed recess (6), sealed sand grip (5) insert in sealed recess (6), and with form hard seal between sealed recess (6).

2. The fiber optic closure of claim 1, wherein: the internal perisporium and the periphery wall of sealed sand grip (5) are inclined plane, the internal week edge and the periphery edge of sealed recess (6) notch compress tightly respectively on the internal perisporium and the periphery wall of sealed sand grip (5).

3. The fiber optic closure of claim 2, wherein: the inner peripheral side and the outer peripheral side of the opening of the sealing groove (6) are respectively pressed at the bottom of the inner peripheral wall and the bottom of the outer peripheral wall of the sealing convex strip (5), and the rear end face of the front box body (3) is mutually attached to the front end face of the rear box body (4).

4. An optical fiber splice closure according to claim 1, 2 or 3, wherein: be equipped with two at least logical line holes (7) on box body (1), every lead to line hole (7) and all run through sealed sand grip (5) and sealed recess (6), and with inner chamber (2) communicate with each other, it is equipped with sealed gum cover (8) to lead to in line hole (7), the periphery wall of sealed gum cover (8) and the internal perisporium tight fit of whole logical line hole (7).

5. The fiber optic closure of claim 4, wherein: preceding box body (3) and back box body (4) will lead to line hole (7) and divide into preceding, back two halves axially, are located all be equipped with one sealed protruding muscle (9) on the terminal surface before every back box body (4) that leads to the radial both sides of line hole (7) on the back box body (4), sealed protruding muscle (9) length direction sets up along the axis direction of corresponding line hole (7), is located all be equipped with one on the preceding box body (3) the rear end face of every on the preceding box body (3) that leads to line hole (7) radial both sides and seal rib (9) matched with sealed rib groove (10), sealed protruding rib (9) insert in sealed rib groove (10), and with form hard seal between sealed rib groove (10).

6. The fiber optic closure of claim 5, wherein: the circumferential side wall of the sealing convex rib (9) is an inclined slope, and the circumferential edge of the notch of the sealing rib groove (10) is tightly pressed at the bottom of the circumferential side wall of the sealing convex rib (9).

7. The fiber optic closure of claim 6, wherein: one end of the sealing convex rib (9) extends to the peripheral wall of the sealing convex rib (5) all the time, so that the sealing convex rib (9) is connected with the sealing convex rib (5) into a whole, one end of the sealing rib groove (10) is communicated with the sealing groove (6), and the sealing rib groove (10) is communicated with the sealing groove (6) into a whole.

8. The fiber optic closure of claim 7, wherein: every sealed protruding muscle (9) are equipped with a plurality of sealed lugs (11) towards all being equipped with at intervals on the lateral wall that leads to line hole (7), sealed lug (11) free end extends to in corresponding lead to line hole (7), and makes the terminal surface of sealed lug (11) free end constitutes a part of corresponding lead to line hole (7) internal perisporium, every all be equipped with a plurality of sealed slots (12) with sealed lug (11) matched with on the lateral wall of sealed recess (6), sealed slot (12) one end communicates with each other with corresponding lead to the line hole, sealed lug (11) are inserted in corresponding sealed slot (12), just two lateral walls of sealed lug (11) are hugged closely with two lateral walls that correspond sealed slot (12) respectively.

9. The fiber optic closure of claim 8, wherein: two side walls of the sealing convex block (11) and two side walls of the sealing slot (12) are inclined planes.

10. The fiber optic closure of claim 9, wherein: the part of each sealing convex rib (9) protruding out of the sealing convex rib (5) towards the side wall of the through hole (7) is provided with one sealing convex block (11).

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