CN203502633U - Straight-through inlet cable sealing device of optical cable - Google Patents
Straight-through inlet cable sealing device of optical cable Download PDFInfo
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- CN203502633U CN203502633U CN201320571337.9U CN201320571337U CN203502633U CN 203502633 U CN203502633 U CN 203502633U CN 201320571337 U CN201320571337 U CN 201320571337U CN 203502633 U CN203502633 U CN 203502633U
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- optical cable
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- pipe
- packoff
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Abstract
The utility model relates to a straight-through inlet cable sealing device of an optical cable. The straight-through inlet cable sealing device includes a shell, wherein at least a cable through pipe for allowing the optical cable to go in or go out is disposed on the shell; an elastic sealing element, and nut assemblies, wherein each cable through pipe corresponds to two nut assemblies, the two nut assemblies are sleeved on the optical cable and connected on a pipe body of the cable through pipe, and used for seal the optical cable with the cable through pipe through cooperating with the elastic sealing element. The straight-through inlet cable sealing device is good in sealing performance, with which straight-through sealing (without cutting off) of the optical cable is achieved.
Description
Technical field
The utility model relates to a kind of optical cable hermetically-sealed construction, relates in particular to a kind of optical cable and leads directly to into cable packoff.
Background technology
To lead directly to into the sealing of cable be substantially all to adopt unvulcanised self-adhering rubber part as filling material to optical cable traditionally, in mechanical presses mode, realizes sealing; Or adopt heat-shrinkable T bush pyrocondensation to seal.Tradition sealing mode, very inconvenient when follow-up dilatation is safeguarded, need to change unvulcanised self-adhering rubber or heat-shrinkable T bush, the complicated trouble of construction, when taking housing apart or changing heat-shrinkable T bush fragile housing or optical cable, cause and safeguard or dilatation failure.
In the straight-through optical cable sealing of not breaking apart by chopping optical cable, existing employing seal and spinning nut are realized the sealing between optical cable and housing, wherein, seal is soft, be located on optical cable and be expressed in the optical cable mouth on housing, then by spinning nut, be located on optical cable and be coupled on optical cable mouth, will between optical cable and optical cable mouth, seal.Yet, existing this kind of sealing means, two sections of not breaking apart by chopping optical cable are that a circular optical cable mouth from housing passes, optical cable mouth needs enough for the two ends of optical cable, to pass through greatly, make like this optical cable mouth quantity on housing reduce, or housing needs correspondence to do greatly; And if optical cable mouth is done little, when straight-through optical cable penetrates logical cable pipe, easily cause optical fiber overbend and fracture.
Utility model content
The technical problems to be solved in the utility model is, a kind of good airproof performance is provided, and can realize the straight-through optical cable of optical cable and lead directly to into cable packoff.
The utility model solves the technical scheme that its technical matters adopts: provide a kind of optical cable to lead directly to into cable packoff, comprising:
Housing, which is provided with at least one logical cable pipe for optical cable turnover, and described logical cable pipe is communicated with and is formed by two adjacent bodys in interval;
Elastic sealing element, comprises elastic body; Described elastic body fits snugly in described logical cable pipe, and on this elastic body, corresponding two described bodys are provided with two the first through holes that pass for described optical cable; And
Nut assembly;
Described in each, logical cable pipe is to there being two described nut assemblies, and two described nut assemblies are set on described optical cable and are connected on the described body of described logical cable pipe, and described elastic sealing element will seal between described optical cable and described logical cable pipe.
Preferably, described in each, nut assembly includes tool slotted hollow nut cylinder and nut cushion block; Described fluting is along described Nut column axon to offering, and described nut cylinder is set on described optical cable by described fluting; Described nut cushion block is fastened in described fluting, and forms described nut assembly with described Nut column body.
Preferably, described nut assembly is provided with external thread towards one end of described logical cable pipe, described in each of described logical cable pipe, body is provided with internal thread away from one end correspondence of described housing, and described nut assembly is connected on described body by described external thread and described screw-internal thread fit; Or,
Described nut assembly is provided with internal thread towards one end of described logical cable pipe, described in each of described logical cable pipe, body is provided with external thread away from one end correspondence of described housing, and described nut assembly is connected on described body by described internal thread and described external thread.
Preferably, described in each, the inwall of the first through hole is provided with and cracks to described elastomeric outside surface, and described elastic body is set on described optical cable by described cracking.
Preferably, described elastic body comprises two elastic cylinders that corresponding two described bodys arrange and the connector that connects two described elastic cylinders, and two described the first through holes are being axially opened on two described elastic cylinders along two described elastic cylinders respectively;
One end inner peripheral surface that described body closes on described housing is that described elastic cylinder closely cooperates with its outer surface and described inclined-plane to the centroclinal inclined-plane of described body, and described connector fits snugly between two described bodys.
Preferably, described elastic sealing element also comprises and is arranged on the described elastic body sealing matrix in a side of described logical cable pipe dorsad, described sealing matrix be provided with two respectively with the third through-hole of the corresponding perforation of two described the first through holes, and described in each, the inwall of third through-hole is provided with the second breach to the outside surface of described sealing matrix.
Preferably, this optical cable leads directly to into cable packoff and also comprises Anchor plate kit, and described Anchor plate kit is engaged in described logical cable pipe and between described elastic sealing element and nut assembly; And, on described Anchor plate kit, be formed with two respectively with two the second through holes that described the first through hole is corresponding.
Preferably, described Anchor plate kit comprises pressing plate and the pressing plate fixture block arranging in week in corresponding described logical cable pipe; On described pressing plate, along described pressing plate peripheral shape, offer through hole and form gasket ring, described pressing plate fixture block detachable card is located at described through hole centre position, and described through hole is divided into two described the second through holes.
Preferably, central axial direction along described through hole on the centre position of described pressing plate is extended with projection, the end of described projection is formed with snap fit, and described projection stretches out described logical cable pipe between two described bodys, and is engaged on described logical cable pipe by described snap fit.
Preferably, this optical cable leads directly to into cable packoff and also comprises throw-out collar; Described in each, body is to there being at least one throw-out collar, and described throw-out collar is set on described optical cable, and is engaged in described logical cable pipe and nut assembly above being arranged in described elastic sealing element; And the outer surface of described throw-out collar is provided with projection, the described throw-out collar that is arranged in two described bodys is relative with described projection.
Preferably, described in each, throw-out collar includes the throw-out collar fixture block that has the circular cylinder of short slot and be fastened on described short slot place; Described short slot is along the axial setting of described circular cylinder, and described throw-out collar is set on described optical cable by described short slot; Described projection is arranged on described circular cylinder or throw-out collar fixture block.
Preferably, in described logical cable pipe, in the side axial of two described bodys, all have the first breach that is through to described housing, two described bodys are relatively also communicated with described the first breach, on the described housing between two described the first breach, stretch out and are provided with side plate; Described side plate is connected to the relative both sides between the first breach of two described bodys, jointly surrounds described logical cable pipe with two described bodys.
Enforcement the utlity model has following beneficial effect: optical cable of the present utility model leads directly to into cable packoff, by coordinating of elastic sealing element and nut assembly and optical cable, will between the logical cable pipe on optical cable and housing, seal good airproof performance.Logical cable pipe is communicated with and is formed by two bodys, can realize and not break apart by chopping being tightly connected of optical cable and housing, each body be used for optical cable not a section of strip off external coating pass through, do not break apart by chopping optical cable and stretch out two sections of housing and can lay respectively in two bodys; For the optical cable of same size, logical cable pipe of the present utility model area occupied on housing can be less than existing middle circle and go out cable mouth (optical cable two sections all go out cable mouth from this circle stretch out), simultaneously, interval between two sections of optical cables in logical cable pipe can, compared with large in the interval going out in cable mouth in existing circle, be difficult for fractureing because of optical fiber overbend.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is that the optical cable of the utility model the first embodiment leads directly to the decomposition texture schematic diagram into cable packoff;
Fig. 2 is that optical cable shown in Fig. 1 leads directly to the unitized construction schematic diagram into cable packoff;
Fig. 3 is that optical cable shown in Fig. 2 leads directly to the cut-open view into cable packoff along A-A line;
Fig. 4 is the structural representation of Fig. 1 Elastic seal;
Fig. 5 a is the structural representation of Fig. 1 center platen assembly;
Fig. 5 b is the decomposition texture schematic diagram of Anchor plate kit shown in Fig. 5 a;
Fig. 6 a is the structural representation of nut assembly in Fig. 1;
Fig. 6 b is the decomposition texture schematic diagram of nut assembly shown in Fig. 6 a;
Fig. 7 is that the optical cable of the utility model the second embodiment leads directly to the decomposition texture schematic diagram into cable packoff;
Fig. 8 is that optical cable shown in Fig. 7 leads directly to the unitized construction schematic diagram into cable packoff;
Fig. 9 is that the optical cable of the utility model the 3rd embodiment leads directly to the decomposition texture schematic diagram into cable packoff;
Figure 10 is that optical cable shown in Fig. 9 leads directly to the unitized construction schematic diagram into cable packoff;
Figure 11 is that optical cable shown in Figure 10 leads directly to the cut-open view into cable packoff along B-B line;
Figure 12 a is the structural representation of Fig. 9 center platen assembly;
Figure 12 b is the decomposition texture schematic diagram of Anchor plate kit shown in Figure 12 a;
Figure 13 a is the structural representation of nut assembly in Fig. 9;
Figure 13 b is the decomposition texture schematic diagram of nut assembly shown in Figure 13 a;
Figure 14 a is the structural representation of throw-out collar in Fig. 9;
Figure 14 b is the decomposition texture schematic diagram of throw-out collar shown in Figure 14 a.
Embodiment
For technical characterictic of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As shown in Figure 1, 2, for the optical cable of the utility model the first embodiment leads directly to into cable packoff, comprise housing 1, elastic sealing element and nut assembly 5, housing 1 is provided with at least one logical cable pipe 2 for optical cable 100 turnover, elastic sealing element and nut assembly 5 are all for being set in optical cable 100, and wherein, elastic sealing element fits snugly in logical cable pipe 2, nut assembly 5 is connected on logical cable pipe 2, thereby will between optical cable 100 and logical cable pipe 2, seal by elastic sealing element and nut assembly 5.
In logical cable pipe 2, in the side axial of two bodys 21, have the first breach that is through to housing 1, two bodys 21 are relatively also communicated with the first breach, and stretch out and be provided with side plate 22 on the housing 1 between two the first breach, side plate 22 is connected to the relative both sides between the first breach of two bodys 21, jointly surrounds logical cable pipe 2 with two bodys 21.Each body 21 all can be preferably cylindrical tube, when optical cable 100 passes through, the periphery of each section 102 in its two section 102 of paralleling and the interval between body 21 can be an annular ring, and the space that is connected to side plate 22 formation of the first breach both sides becomes the interval between this two section 102.
As shown in Figure 1,3, elastic sealing element is for being specially optical cable 100(parallel two section 102 of optical cable 100) seal between periphery and logical cable pipe 2 internal perisporiums, so this elastic sealing element peripheral shape is corresponding leads to the interior all shape settings of cable pipe 2.This elastic sealing element comprises elastic body 3, and on this elastic body 3, corresponding two bodys 21 are provided with two the first through holes 30 and pass for optical cables 100.The diameter of the aperture of the first through hole 30 and optical cable 100 is suitable, and while making optical cable 100 through the first through hole 30, the interior week of this first through hole 30 and optical cable 100 peripheries fit tightly.And the inwall of each the first through hole 30 is provided with and cracks 33 to the outside surface of elastic body 3, elastic body 3 33 is set on optical cable 100 by cracking, and makes like this elastic body 3 can be thereon sheathed, easy to assembly from optical cable 100 center sections.Crack and 33 can set in advance on elastic body 3; Or arrange again when elastic body 3 assembling, as adopted blade along axially the offering on elastic body 3 of elastic body 3, and connect to the first through hole 30.
As shown in Figure 4, elastic body 3 can comprise two elastic cylinders 31 that corresponding two bodys 21 arrange and the connector 32 that connects two elastic cylinders 31; Two the first through holes 30 are axially opened on these two elastic cylinders 31 along two elastic cylinders 31 respectively.When elastic body 3 is contained in logical cable pipe 2, two elastic cylinders 31 fit snugly in respectively in two bodys 21, and connector 32 fits snugly in the part being communicated with between two bodys 21.As shown in Figure 3, be to guarantee the tightness between elastic body 3 and logical cable pipe 2, one end inner peripheral surface that body 21 closes on housing 1 is for to the centroclinal inclined-plane 210 of body 21, makes so the interior all diameters of this end of body 21 be less than the outer circumference diameter of elastic cylinder 31.Elastic cylinder 31 is to hold to body 21 by extrusion, and elastic cylinder 31 closely cooperates with its outer surface and inclined- plane 210, and 32 of connectors fit snugly between two bodys 21.This elastic body 3 is the elastic component that rubber or other resilient materials are made.
As shown in Fig. 1,3,5a, 5b, the optical cable of this embodiment leads directly to into cable packoff and also comprises Anchor plate kit 6, for being set in optical cable 100.Anchor plate kit 6 is engaged in logical cable pipe 2 and between elastic sealing element and nut assembly 5, nut assembly 5 closely compresses elastic sealing element by this Anchor plate kit 6.On this Anchor plate kit 6, be formed with two respectively with two the second through holes 60 that the first through hole 30 is corresponding, for optical cable 100(, be specially parallel two section 102 of optical cable 100) pass through.This Anchor plate kit 6 can comprise pressing plate 61 and the pressing plate fixture block 62 that corresponding interior week of logical cable pipe 2 arranges, on pressing plate 61, along pressing plate 61 peripheral shape, offer through hole and form gasket ring, pressing plate fixture block 62 detachable cards are located at through hole centre position, and through hole is divided into two the second through holes 60.Anchor plate kit 6 is during with optical cable 100 assembling, by optical cable 100 with the U-shaped section 101 of its strip off external coating through the through hole in pressing plate 61, and then pressing plate fixture block 62 cards are set in the middle of through hole.
In the present embodiment, as shown in Fig. 5 a, 5b, central axial direction along through hole on the centre position of pressing plate 61 is extended with projection 63, the end of projection 63 is formed with snap fit 64, when Anchor plate kit 6 is contained in logical cable pipe 2, projection 63 stretches out logical cable pipe 2 between two bodys 21, and is engaged on logical cable pipe 2 by snap fit 64, therefore on the side plate 22 of logical cable pipe 2, can be provided with draw-in groove 221 for snap fit 64 engagings, as shown in Fig. 1,2.
As shown in Fig. 1-3 and Fig. 6 a, 6b, nut assembly 5 is connected on logical cable pipe 2, and the elastic component of Anchor plate kit 6 and elastic sealing element 3 is enclosed in logical cable pipe 2.Each 2 pairs of logical cable pipe should have two nut assemblies 5, two nut assemblies 5 are set in optical cable 100(and are specially parallel two section 102 of optical cable 100) go up and be connected on two bodys 21 of logical cable pipe 2, and elastic sealing element 3 and Anchor plate kit 6 will seal between optical cable 100 and logical cable pipe 2.Each nut assembly 5 includes hollow nut cylinder 51 and the nut cushion block 52 with fluting 510, fluting 510 is axially offered along nut cylinder 51, this nut cylinder 51 510 is set on optical cable 100 by slotting, make like this nut cylinder 51 can be thereon sheathed, easy to assembly from optical cable 100 center sections.Nut cushion block 52 is fastened in fluting 510, and forms nut assembly 5 with nut cylinder 51.
Being connected preferably between the body 21 of nut assembly 5 and logical cable pipe 2 is threaded, and strengthened like this tightness between nut assembly 5 and logical cable pipe 2.In the present embodiment, nut assembly 5 is provided with external thread 53 towards one end of logical cable pipe 2, and each body 21 of logical cable pipe 2 is provided with internal thread 23 away from one end correspondence of housing 1, and nut assembly 5 is connected on body 21 by external thread 53 and internal thread 23.After nut assembly 5 is connected on body 21, nut assembly 5 is in one end (one end with external thread 53) of body 21 is closely contained in one end that body 21 has internal thread 23, the end face of nut assembly 5 these ends compresses on Anchor plate kit 6, Anchor plate kit 6 and elastic sealing element are pressed in logical cable pipe 2, and seamless between nut assembly 5, Anchor plate kit 6 and elastic sealing element.
With reference to figure 1-3, this optical cable leads directly to while assembling into cable packoff, first optical cable 100 is penetrated to the logical cable pipe 2 on housing 1 with its U-shaped section 101 after the through hole through the pressing plate 61 of Anchor plate kit 6, until two section of 102 two body 21 that pass respectively logical cable pipe 2 that optical cable 100 parallels, pressing plate fixture block 62 cards are set in the through hole of pressing plate 61, on pressing plate 61, forming in 60, two the second through holes 60 of two the second through holes has respectively two section 102 of optical cable 100 to pass through; And then elastic sealing element and two nut assemblies 5 are set to respectively at Anchor plate kit 6 both sides covers on two section 102 of optical cable 100, wherein elastic sealing element is between Anchor plate kit 6 and housing 1; Then again elastic sealing element, Anchor plate kit 6 are pushed into 2 li of logical cable pipes together with optical cable 100, nut assembly 5 drops on the mouth of pipe of logical cable pipe 2, two nut assemblies 5 is threaded connection respectively on the body 21 of cable pipe 2.Wherein, when elastic sealing element cover is set on optical cable 100, breaks into two with one's hands and crack 33 on the elastic body 3 of elastic sealing element, make to form an opening on the first through hole 30, optical cable 100 is pushed in its first through hole 30 by opening again, cancels the power of breaking, opening i.e. closed reply as cracking 33; When nut assembly 5 covers are set on optical cable 100, be that nut cushion block 52 is extracted out on nut cylinder 51, opened the fluting 510 of nut cylinder 51, optical cable 100 510 is shifted onto in nut cylinder 51 by slotting, again nut cushion block 52 cards are got back in fluting 510, fluting 510 is closed.
As Figure 7-8, for the optical cable of the utility model the second embodiment leads directly to into cable packoff, this embodiment and different being of above-mentioned the first embodiment: elastic sealing element also comprises and is arranged on the elastic body 3 sealing matrix 4 in a side of logical cable pipe 2 dorsad; Sealing matrix 4 be provided with two respectively with two the first through hole 30(with reference to shown in figure 4) third through-hole 40 of corresponding perforation, and the inwall of each third through-hole 40 is provided with the second breach 41 to the outside surface of sealing matrix 4, the second breach 41 and the 33 corresponding settings of cracking on elastic body 3, sealing matrix 4 is set on optical cable (be specially optical cable parallel two sections) by the second breach 41.Therefore, the optical cable of this embodiment leads directly to into cable packoff and can not include the Anchor plate kit 6 described in above-mentioned the first embodiment.Nut assembly 5 can closely compress elastic component 3 by sealing matrix 4, and elastic sealing element is fitted snugly in logical cable pipe 2.Certainly, this embodiment also can include the Anchor plate kit 6 described in above-mentioned the first embodiment.The optical cable of the present embodiment leads directly to into other structures of cable packoff and can, with reference to described in above-mentioned the first embodiment 1, not repeat them here.
Wherein, the sealing peripheral shape of matrix 4 and the corresponding setting of peripheral shape of elastic body 3.Sealing matrix 4 can adopt plastic cement or metal material to make, and it can link into an integrated entity with elastic body 3, also can be split.Further, the second breach 41 places of sealing matrix 4 also can be provided with fixture block, can, after sealing matrix 4 covers are set on optical cable, by fixture block, be engaged in the second breach 41 the second breach 41 closures.
The optical cable of this embodiment leads directly to can be with reference to the assembling process of above-mentioned the first embodiment into the assembling of cable packoff, and when wherein elastic sealing element cover is set on optical cable, break into two with one's hands and crack 33 on the elastic body 3 of elastic sealing element, make to form an opening on the first through hole 30, and be communicated with the second breach 41; Optical cable is pushed in the first through hole 30 and third through-hole 40 by opening and the second breach 41 again, cancels the power of breaking, opening i.e. closed reply as cracking 33, thereby optical cable is worn in elastic sealing element.
As shown in Fig. 9-11, for the optical cable of the utility model the 3rd embodiment leads directly to into cable packoff, comprise housing 1 ＇, elastic sealing element and nut assembly 5 ＇, housing 1 ＇ is provided with at least one logical cable pipe 2 ＇ for optical cable 100 turnover, elastic sealing element and nut assembly 5 ＇ are all for being set in optical cable 100, wherein, elastic sealing element fits snugly in logical cable pipe 2 ＇, it is upper that nut assembly 5 ＇ are connected to logical cable pipe 2 ＇, thereby will between optical cable 100 and logical cable pipe 2 ＇, seal by elastic sealing element 3 ＇ and nut assembly 5 ＇.
Wherein, housing 1 ＇ can be but is not limited to connector box, connector box base, outdoor communication equipment shell.Logical cable pipe 2 ＇ are communicated with and are formed by two adjacent body 21 ＇ in interval, and two section 102 that on optical cable 100, parallels is passed through from two body 21 ＇ respectively.In the side axial of two body 21 ＇, have the first breach that is through to housing 1 ＇, two body 21 ＇ are relatively also communicated with the first breach, and stretch out and be provided with side plate 22 ＇ on housing 1 ＇ between two the first breach, side plate 22 ＇ are connected to the relative both sides between the first breach of two body 21 ＇, jointly surround logical cable pipe 2 ＇ with two body 21 ＇.
All shape settings in corresponding logical cable pipe 2 ＇ of elastic sealing element; This elastic sealing element comprises elastic body 3 ＇, and on it, corresponding two body 21 ＇ are provided with two the first through hole 30 ＇ and pass for optical cables 100.This elastic body 3 ＇ comprise two elastic cylinder 31 ＇ that corresponding two bodys, 21 ＇ arrange and connector 32 ＇ that connect two elastic cylinder 31 ＇; When elastic body 3 ＇ are contained in logical cable pipe 2 ＇, two elastic cylinder 31 ＇ fit snugly in respectively in two body 21 ＇, and connector 32 ＇ fit snugly in the part being communicated with between two body 21 ＇.One end inner peripheral surface that body 21 ＇ close on housing 1 ＇ is for to centroclinal inclined-plane 210 ＇ of body 21 ＇, makes so all diameters in this end of body 21 ＇ be less than the outer circumference diameter of elastic cylinder 31 ＇.Elastic cylinder 31 ＇ hold to body 21 ＇ by extrusion, and elastic cylinder 31 closely cooperates with its outer surface and inclined-plane 210 ＇, and connector 32 ＇ fit snugly between two body 21 ＇.The detailed description of these logical cable pipe 2 ＇ and elastic body 3 ＇ can be with reference to described in above-described embodiment.
In addition, the elastic sealing element in this embodiment also can comprise the sealing matrix described in above-mentioned the second embodiment.
As shown in Fig. 9-11,12a, 12b, the optical cable of this embodiment leads directly to into cable packoff and also comprises Anchor plate kit 6 ＇, for being set in optical cable 100.Anchor plate kit 6 ＇ are engaged in logical cable pipe 2 ＇ and between elastic sealing element and nut assembly 5 ＇, nut assembly 5 ＇ closely compress elastic sealing element by this Anchor plate kit 6 ＇.This Anchor plate kit 6 ＇ comprise pressing plate 61 ＇ and pressing plate fixture block 62 ＇ that arrange in week in corresponding logical cable pipe 2 ＇, pressing plate 61 ＇ are upper offers through hole formation gasket ring along pressing plate 61 ＇ peripheral shape, pressing plate fixture block 62 ＇ detachable cards are located at through hole centre position, and through hole is divided into two the second through hole 60 ＇.During 100 assembling of Anchor plate kit 6 ＇ and optical cable, by optical cable 100 with the U-shaped section 101 of its strip off external coating through the through hole in pressing plate 61 ＇, and then pressing plate fixture block 62 ＇ cards are set in the middle of through hole.In the present embodiment, on pressing plate 61 ＇, be not provided with projection, so Anchor plate kit 6 ＇ are generally housed in logical cable pipe 2 ＇.
Each logical cable pipe 2 ＇ is to there being two nut assembly 5 ＇, two nut assembly 5 ＇ are set in optical cable 100(and are specially parallel two section 102 of optical cable 100) two body 21 ＇ going up and be connected to logical cable pipe 2 ＇ are upper, and elastic sealing element and Anchor plate kit 6 ＇ will seal between optical cable 100 and logical cable pipe 2 ＇.As shown in Fig. 9,13a, 13b, each nut assembly 5 ＇ includes hollow nut cylinder 51 ＇ and nut cushion block 52 ＇ with fluting 510 ＇, 510 ＇ that slot axially offer along nut cylinder 51 ＇, and this nut cylinder 51 ＇ are set on optical cable 100 by 510 ＇ that slot.Nut cushion block 52 ＇ are fastened in fluting 510 ＇, and form nut assembly 5 with nut cylinder 51 ＇.
The present embodiment and different being of above-mentioned the first embodiment: as shown in Figure 11,13a, nut assembly 5 ＇ are provided with internal thread 53 ＇ towards one end of logical cable pipe 2 ＇, each body 21 ＇ of logical cable pipe 2 ＇ are provided with external thread 23 ＇ away from one end correspondence of housing 1 ＇, and nut assembly 5 ＇ are connected on body 21 ＇ by internal thread 53 ＇ and external thread 23 ＇.After this nut assembly 5 ＇ are connected on body 21 ＇, nut assembly 5 ＇ fit snugly in towards one end (one end with internal thread 53 ＇) of body 21 ＇ one end periphery that body 21 ＇ have external thread 23 ＇.
And for example, shown in Fig. 9-11, for guaranteeing seamless connection between nut assembly 5 ＇, Anchor plate kit 6 ＇ and elastic sealing element, in the present embodiment, this optical cable leads directly to into cable packoff and also comprises throw-out collar 7 ＇; Each body 21 ＇ is to there being at least one throw-out collar 7 ＇, throw-out collar 7 ＇ are set in optical cable 100(and are specially parallel two section 102 of optical cable 100) on, and be engaged in logical cable pipe 2 ＇ and nut assembly 51 ＇ above being arranged in Anchor plate kit 6 ＇, the opposite end of throw-out collar 7 ＇ is pressed on respectively Anchor plate kit 6 ＇ above and on nut assembly 5 ＇ inner faces, makes between nut assembly 5 ＇, throw-out collar 7 ＇, Anchor plate kit 6 ＇ and elastic sealing element seamless.
As shown in Figure 11,14a, 14b, the outer surface of throw-out collar 7 ＇ is provided with projection 70 ＇, and for being coupled to the first breach of body 21 ＇, throw-out collar 7 ＇ in two body 21 ＇ of logical cable pipe 2 ＇ are relative with projection 70 ＇.Particularly, each throw-out collar 7 ＇ all can comprise throw-out collar fixture block 72 ＇ that have circular cylinder 71 ＇ of short slot 710 ＇ and be fastened on short slot 710 ＇ places, and projection 70 ＇ can be arranged on circular cylinder 71 ＇ or throw-out collar fixture block 72 ＇; Short slot 710 ＇ are along the axial setting of circular cylinder 71 ＇, and throw-out collar 7 ＇ are set on optical cable 100 by short slot 710 ＇.
With reference to figure 9-11, during assembling, first optical cable 100 is penetrated to logical cable pipe 2 ＇ on housing 1 ＇ with its U-shaped section 101 after the through hole through pressing plate 61 ＇ of Anchor plate kit 6 ＇, until two section of 102 two body 21 ＇ that pass respectively logical cable pipe 2 ＇ that optical cable 100 parallels, pressing plate fixture block 62 ＇ cards are set in the through hole of pressing plate 61 ＇, on pressing plate 61 ＇, form two the second through hole 60 ＇, in two the second through hole 60 ＇, have respectively two section 102 of optical cable 100 to pass through; And then elastic sealing element 3 ＇ and two nut assembly 5 ＇ are set to respectively at Anchor plate kit 6 ＇ both sides covers on two section 102 of optical cable 100, wherein elastic sealing element is between Anchor plate kit 6 ＇ and housing 1 ＇; Also two throw-out collar 7 ＇ are overlapped respectively and be set on two section 102 of optical cable 100, throw-out collar 7 ＇ are between Anchor plate kit 6 ＇ and nut assembly 5 ＇; Then again throw-out collar 7 ＇, elastic sealing element and Anchor plate kit 6 ＇ are pushed in logical cable pipe 2 ＇ together with optical cable 100, nut assembly 5 ＇ drop on the mouth of pipe of logical cable pipe 2 ＇, two nut assembly 5 ＇ are threaded connection respectively on body 21 ＇ of cable pipe 2 ＇.
Wherein, when elastic sealing element cover is set on optical cable 100, break 33 ＇ that crack on elastic body 3 ＇ of elastic sealing element into two with one's hands, make the upper opening that forms of the first through hole 30 ＇, optical cable 100 is pushed in its first through hole 30 ＇ by opening again, cancels the power of breaking, opening i.e. closed reply is 33 ＇ that crack.When nut assembly 5 ＇ covers are set on optical cable 100, from the upper extraction of nut cylinder 51 ＇ by nut cushion block 52 ＇, fluting 510 ＇ of nut cylinder 51 ＇ have been opened, optical cable 100 is shifted onto in nut cylinder 51 ＇ by 510 ＇ that slot, again nut cushion block 52 ＇ cards are got back in fluting 510 ＇, fluting 510 ＇ are closed.The sheathed of throw-out collar 7 ＇ can be with reference to nut assembly 5 ＇,, throw-out collar fixture block 72 ＇ are above extracted out from circular cylinder 71 ＇, short slot 710 ＇ of circular cylinder 71 ＇ have been opened, optical cable 100 is shifted onto in circular cylinder 71 ＇ by short slot 710 ＇, again throw-out collar fixture block 72 ＇ cards are got back in short slot 710 ＇, short slot 710 ＇ are closed.
Understandable, above-mentioned each technical characterictic can combination in any be used and unrestricted.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (12)
1. optical cable leads directly to into a cable packoff, it is characterized in that, comprising:
Housing, which is provided with at least one logical cable pipe for optical cable turnover, and described logical cable pipe is communicated with and is formed by two adjacent bodys in interval;
Elastic sealing element, comprises elastic body; Described elastic body fits snugly in described logical cable pipe, and on this elastic body, corresponding two described bodys are provided with two the first through holes that pass for described optical cable; And
Nut assembly;
Described in each, logical cable pipe is to there being two described nut assemblies, and two described nut assemblies are set on described optical cable and are connected on the described body of described logical cable pipe, and described elastic sealing element will seal between described optical cable and described logical cable pipe.
2. optical cable according to claim 1 leads directly to into cable packoff, it is characterized in that, described in each, nut assembly includes tool slotted hollow nut cylinder and nut cushion block; Described fluting is along described Nut column axon to offering, and described nut cylinder is set on described optical cable by described fluting; Described nut cushion block is fastened in described fluting, and forms described nut assembly with described Nut column body.
3. optical cable according to claim 1 leads directly to into cable packoff, it is characterized in that, described nut assembly is provided with external thread towards one end of described logical cable pipe, described in each of described logical cable pipe, body is provided with internal thread away from one end correspondence of described housing, and described nut assembly is connected on described body by described external thread and described screw-internal thread fit; Or,
Described nut assembly is provided with internal thread towards one end of described logical cable pipe, described in each of described logical cable pipe, body is provided with external thread away from one end correspondence of described housing, and described nut assembly is connected on described body by described internal thread and described external thread.
4. optical cable according to claim 1 leads directly to into cable packoff, it is characterized in that, described in each, the inwall of the first through hole is provided with and cracks to described elastomeric outside surface, and described elastic body is set on described optical cable by described cracking.
5. optical cable according to claim 1 leads directly to into cable packoff, it is characterized in that, described elastic body comprises two elastic cylinders that corresponding two described bodys arrange and the connector that connects two described elastic cylinders, and two described the first through holes are being axially opened on two described elastic cylinders along two described elastic cylinders respectively;
One end inner peripheral surface that described body closes on described housing is that described elastic cylinder closely cooperates with its outer surface and described inclined-plane to the centroclinal inclined-plane of described body, and described connector fits snugly between two described bodys.
6. optical cable according to claim 1 leads directly to into cable packoff, it is characterized in that, described elastic sealing element also comprises and is arranged on the described elastic body sealing matrix in a side of described logical cable pipe dorsad, described sealing matrix be provided with two respectively with the third through-hole of the corresponding perforation of two described the first through holes, and described in each, the inwall of third through-hole is provided with the second breach to the outside surface of described sealing matrix.
7. optical cable according to claim 1 leads directly to into cable packoff, it is characterized in that, this optical cable leads directly to into cable packoff and also comprises Anchor plate kit, and described Anchor plate kit is engaged in described logical cable pipe and between described elastic sealing element and nut assembly; And, on described Anchor plate kit, be formed with two respectively with two the second through holes that described the first through hole is corresponding.
8. optical cable according to claim 7 leads directly to into cable packoff, it is characterized in that, described Anchor plate kit comprises pressing plate and the pressing plate fixture block arranging in week in corresponding described logical cable pipe; On described pressing plate, along described pressing plate peripheral shape, offer through hole and form gasket ring, described pressing plate fixture block detachable card is located at described through hole centre position, and described through hole is divided into two described the second through holes.
9. optical cable according to claim 8 leads directly to into cable packoff, it is characterized in that, central axial direction along described through hole on the centre position of described pressing plate is extended with projection, the end of described projection is formed with snap fit, described projection stretches out described logical cable pipe between two described bodys, and is engaged on described logical cable pipe by described snap fit.
10. optical cable according to claim 1 leads directly to into cable packoff, it is characterized in that, this optical cable leads directly to into cable packoff and also comprises throw-out collar; Described in each, body is to there being at least one throw-out collar, and described throw-out collar is set on described optical cable, and is engaged in described logical cable pipe and nut assembly above being arranged in described elastic sealing element; And the outer surface of described throw-out collar is provided with projection, the described throw-out collar that is arranged in two described bodys is relative with described projection.
11. optical cables according to claim 10 lead directly to into cable packoff, it is characterized in that, described in each, throw-out collar includes the throw-out collar fixture block that has the circular cylinder of short slot and be fastened on described short slot place; Described short slot is along the axial setting of described circular cylinder, and described throw-out collar is set on described optical cable by described short slot; Described projection is arranged on described circular cylinder or throw-out collar fixture block.
12. lead directly to into cable packoff according to the optical cable described in claim 1-11 any one, it is characterized in that, in described logical cable pipe, in the side axial of two described bodys, all have the first breach that is through to described housing, two described bodys are relatively also communicated with described the first breach, on the described housing between two described the first breach, stretch out and are provided with side plate; Described side plate is connected to the relative both sides between the first breach of two described bodys, jointly surrounds described logical cable pipe with two described bodys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320571337.9U CN203502633U (en) | 2013-09-13 | 2013-09-13 | Straight-through inlet cable sealing device of optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320571337.9U CN203502633U (en) | 2013-09-13 | 2013-09-13 | Straight-through inlet cable sealing device of optical cable |
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| Publication Number | Publication Date |
|---|---|
| CN203502633U true CN203502633U (en) | 2014-03-26 |
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|---|---|---|---|
| CN201320571337.9U Expired - Lifetime CN203502633U (en) | 2013-09-13 | 2013-09-13 | Straight-through inlet cable sealing device of optical cable |
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| CN (1) | CN203502633U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111278209A (en) * | 2018-12-04 | 2020-06-12 | 南亚科技股份有限公司 | Connecting assembly |
-
2013
- 2013-09-13 CN CN201320571337.9U patent/CN203502633U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111278209A (en) * | 2018-12-04 | 2020-06-12 | 南亚科技股份有限公司 | Connecting assembly |
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