CN209342993U - Cable splice closure - Google Patents
Cable splice closure Download PDFInfo
- Publication number
- CN209342993U CN209342993U CN201822082518.0U CN201822082518U CN209342993U CN 209342993 U CN209342993 U CN 209342993U CN 201822082518 U CN201822082518 U CN 201822082518U CN 209342993 U CN209342993 U CN 209342993U
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- China
- Prior art keywords
- gas
- optical cable
- ring
- holes
- box body
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Abstract
The utility model discloses a kind of cable splice closures, including lower box body and upper cartridge body, it is tightly connected between the lower box body and upper cartridge body, the lower box body both ends are respectively arranged with optical cable aperture frame, holes for optical cables is provided in each optical cable aperture frame, at least provided with a gas-flow closure ring in each holes for optical cables, cooperate after the gas-flow closure ring inflation with optical cable outer ring surface and the swelling simultaneously of the inner ring surface of holes for optical cables, gas-flow closure ring side is provided with gas tube, and one end of the gas tube is connected with the valve cock being fixed on optical cable aperture frame outer surface.The utility model can effectively improve the sealing effect between optical cable and holes for optical cables, improve the quality of lightguide cable link and the service life of lightguide cable link.
Description
Technical field
The utility model belongs to lightguide cable link technical field, in particular to a kind of cable splice closure.
Background technique
Cable splice closure is the connecting part that two or more optical cables link together, and have guard block, is light
One of must be used in the engineering construction of cable road, and be very important equipment.The leakproofness of cable splice closure can be direct
Influence the quality of lightguide cable link and the service life of lightguide cable link.Optical cable needs the holes for optical cables by being arranged on cable splice closure
Access optical cable connector box, and generally use rubber seal between holes for optical cables and optical cable and be sealed.It is close when by external pressure
Seal is easy to appear lateral deviation and leads to structure shakiness, partially sealed failure, furthermore, when cable splice closure pressure-bearing, heated, sealing
Circle softening and compressive deformation, are easy to happen local spilling, breakage, influence leakproofness.Therefore, this technical side using sealing ring
Case is unable to reach ideal sealing effect.
Such as: 105445880 A of China Patent Publication No. CN, a kind of entitled cable splice closure of innovation and creation, including
By the connected upper cover and lower cover of connector, fibre melting disc is fixed between upper cover and lower cover and is provided with sealing ring, upper cover and lower cover
Side wall on open up opposite upper half circular hole and lower half circular hole respectively, upper half circular hole and lower half circular hole are docked to form optical cable and bury and be connect
Hole, the two sides of sealing ring extend to form fixing seal valve, and fixing seal valve is mounted in lower half circular hole, in upper half circular hole setting with
Radial direction seal ring, optical cable are formed after the movable sealing valve that fixing seal valve matches, fixing seal valve and the docking of movable sealing valve
It buries and connects the hollow embolism of lateral ends connection setting in hole, hollow embolism axial compression radial direction seal ring, hollow embolism is by upper half spiral shell
Bolt and the docking of lower half bolt are constituted.In the invention, optical cable is buried using sealing flap and connects formation sealing between hole and optical cable, sealing
Principle is identical as traditional seal, there is the drawback identical as traditional seal, therefore sealing effect is unsatisfactory.
Summary of the invention
The purpose of this utility model, which is that sealing effect is undesirable between optical cable and holes for optical cables in solution cable splice closure, asks
Topic, provides a kind of cable splice closure, and the sealing ring expanded after inflation is provided between optical cable and holes for optical cables, makes optical cable and optical cable
Effective sealing is formed between hole, solves the problems, such as that sealing effect is undesirable between optical cable and holes for optical cables in cable splice closure.
The purpose of this utility model is achieved by the following technical solution: a kind of cable splice closure, including lower box body and
Upper cartridge body is tightly connected between the lower box body and upper cartridge body, and the lower box body both ends are respectively arranged with optical cable aperture frame, Mei Geguang
Holes for optical cables is provided in cable aperture frame, each holes for optical cables is interior at least provided with a gas-flow closure ring, the gas-flow closure ring inflation
Cooperate afterwards with optical cable outer ring surface and the swelling simultaneously of the inner ring surface of holes for optical cables, gas-flow closure ring side is provided with gas tube, institute
The one end for stating gas tube is connected with the valve cock being fixed on optical cable aperture frame outer surface.
When the utility model is used, optical cable to be first each passed through to the holes for optical cables at lower box body both ends, the optical cable at both ends is connected
It picks up and, charger is connected with valve cock, gas-flow closure ring is inflated, be finally bolted on upper cartridge body
On lower box body.When inflation, compressed gas successively passes through valve cock and gas tube enters in gas-flow closure ring.When need by optical cable from
When being extracted in holes for optical cables, the gas in gas-flow closure ring need to be only discharged by valve cock so that gas-flow closure ring and optical cable it
Between unclamp, convenient for optical cable is extracted.The outer ring surface swelling that the gas-flow closure ring expands after being inflated by the compressed air with optical cable is matched
It closes, has effectively filled up the gap between holes for optical cables and optical cable in this way, played good sealing effect.Improve the matter of lightguide cable link
The service life of amount and lightguide cable link.Since the utility model passes through the sealing between the expansion realization of gas-flow closure ring and optical cable
Connection, in this way, even if still being able to reach good sealing effect there are biggish gap between holes for optical cables between optical cable.
Preferably, the annular groove for being positioned to gas-flow closure ring is provided on institute's holes for optical cables inner ring surface, it is described
Gas-flow closure ring is rabbeted in a ring groove.The effect of the annular groove is to carry out axially position to gas-flow closure ring, prevents from inflating
Sealing ring shifts in optical cable.
It is fixed on lower box body and fixation corresponding with holes for optical cables preferably, being provided on the inside of the optical cable aperture frame
Column, the fixed column upper end are provided with the semicolumn slot to match with optical cable, and the fixed column upper end is connected with positioned at semicolumn
Optical cable fixing sleeve above slot, optical cable fixing sleeve two sides are connected by screw with fixed column.The optical cable fixing sleeve is used for
Optical cable is fixed in fixed column, optical cable axial float is prevented.
Preferably, the two sides of the lower box body are provided with several lower connection boss, the upper cartridge body two sides are provided with
Boss is above connected correspondingly with lower connection boss, passes through spiral shell between the lower connection boss and corresponding upper connection boss
It tethers and connects.
Preferably, the sealing strip of annular is provided on the joint face of the lower box body, on the joint face of the upper cartridge body
It is provided with the seal groove to match with sealing strip, the sealing strip interlocking is in seal groove.By in upper cartridge body and lower box body
Sealing strip and seal groove are set between joint face, so that upper cartridge body and lower box body are in connection, sealing strip, which can be rabbeted, to be sealed
In slot, so that there is good leakproofness between upper cartridge body and lower box body.
Preferably, the gas-flow closure ring is fabricated from a flexible material.When inflation, compressed gas is passed through by gas tube fills
Cavity among airtight seal ring, since gas-flow closure ring is fabricated from a flexible material, so that gas-flow closure ring is being passed through compressed gas
Expansion cooperates with the swelling of optical cable outer ring surface afterwards, realizes sealing effect.
Preferably, the valve cock includes the bottom plate being fixed on optical cable aperture frame outer surface, setting among the bottom plate
There is the air nozzle connector being connected with inflation tube end, is provided with cylinder on the bottom plate, is successively set from the bottom up among the cylinder
It is equipped with bottom plate and upper mounted plate, air holes is provided among the bottom plate, is provided among fixed plate
Stomata, the upper stomata lower section are provided with moveable valve body, spring, the valve are provided between the valve body and bottom plate
Body upper end is provided with the sealing ring with end in contact under upper mounted plate, and the upper stomata is located in the circumference range of sealing ring, described
The compression bar for passing vertically through stomata is provided among valve body upper end.The gas-flow closure ring passes through valve cock and inflation in inflation
Equipment is connected.In inflation, valve body is opened under the action of external compressed air, and compressed air passes sequentially through stomata, lower gas
Hole and air nozzle connector enter gas tube, then enter gas-flow closure ring by gas tube.After the completion of inflation, pressure of the valve body in inner air
Power effect is lower in sealing contact with upper mounted plate, seals stomata, avoids gas leak.When needing to deflate, it need to only be incited somebody to action by moulded rod
Valve body is opened, and the gas inside gas-flow closure ring can be discharged.
Preferably, the valve cock outer cover is connected to detachable protective cap.The protective cap plays guarantor to valve cock
Shield effect, extends the service life of valve cock.
The beneficial effects of the utility model are: the utility model can effectively improve the effect of the sealing between optical cable and holes for optical cables
Fruit improves the quality of lightguide cable link and the service life of lightguide cable link.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of lower box body.
Fig. 3 is the top view of lower box body.
Fig. 4 is the structural schematic diagram of upper cartridge body.
Fig. 5 is the cross-sectional view in the direction A-A in Fig. 3.
Fig. 6 is the portion B enlarged drawing in Fig. 5.
Fig. 7 is the portion C enlarged drawing in Fig. 5.
In figure: 1, lower box body, 2, upper cartridge body, 3, optical cable aperture frame, 4, holes for optical cables, 5, lower connection boss, 6, fixed column, 7, light
Cable fixing sleeve, 8, sealing strip, 9, upper connection boss, 10, seal groove, 11, gas-flow closure ring, 12, protective cap, 13, gas tube,
14, bottom plate, 15, cylinder, 16, bottom plate, 17, spring, 18, valve body, 19, sealing ring, 20, upper mounted plate, 21, compression bar.
Specific embodiment
The utility model is further described below by specific embodiment and in conjunction with attached drawing.
Embodiment: as shown in Figures 1 to 7, cable splice closure, including lower box body 1 and upper cartridge body 2.The lower box body 1 with it is upper
It is bolted to form a complete box body between box body 2.It is tightly connected between the lower box body 1 and upper cartridge body 2.It is described
The two sides of lower box body 1 are provided with several lower connection boss 5.The two sides of the upper cartridge body 2 are provided with connection boss on several
9.The upper connection boss 9 is identical as lower connection 5 quantity of boss and corresponds.The upper connection boss 9 and lower connection boss 5
On be provided with bolt hole.It is bolted between the lower connection boss 5 and corresponding upper connection boss 9.Under described
The both ends of box body 1 are respectively arranged with optical cable aperture frame 3.Annular is provided on the joint face being connected on the lower box body 1 with upper cartridge body 2
Sealing strip 8.It is correspondingly arranged on the joint face being connected on the upper cartridge body 2 with lower box body 1 and matches with the sealing strip 8
Seal groove 10.The upper cartridge body 2 with when lower box body 1 is connected, rabbet in seal groove 10 by sealing strip 8.
At least provided with two holes for optical cables 4 in each optical cable aperture frame 3.In the present embodiment, it is respectively provided in each optical cable aperture frame 3
There are two holes for optical cables 4.The diameter of the holes for optical cables 4 is greater than the diameter of optical cable.There are two rings for setting on each 4 inner ring surface of holes for optical cables
Shape slot.The annular groove is set gradually along the axial direction of holes for optical cables.The cross section of the annular groove is semicircle.Each annular groove
Inside it is provided with gas-flow closure ring 11.The gas-flow closure ring 11 is fabricated from a flexible material.The gas-flow closure ring 11 is hollow
Circular ring structure.The cavity of the annular for being passed through compressed air is provided among the gas-flow closure ring 11.The gas-flow closure
11 part interlocking of ring is in a ring groove.11 side of gas-flow closure ring is provided with gas tube 13.The top of each annular groove is equal
It is provided with through slot.The inner surface of through slot one end perforation annular groove, the other end penetrate through the outer surface of optical cable aperture frame 3.It is described to fill
13 one end of tracheae is connected to the side of gas-flow closure ring 11 and is connected to the cavity inside gas-flow closure ring 11.The gas tube 13
The other end along through slot extend to optical cable aperture frame 3 outer surface and with the valve cock phase that is fixed on 3 outer surface of optical cable aperture frame
Even.The valve cock connects charger, and the compressed air is filled with gas-flow closure ring 11 by gas tube 13.The inflation is close
Seal ring 11 expands after being inflated by the compressed air to be cooperated with the outer ring surface swelling of optical cable.
The valve cock includes the bottom plate 14 being fixed on 3 outer surface of optical cable aperture frame.The bottom plate 14 is circular plate knot
Structure.Air nozzle connector is provided among the bottom plate 14.The air nozzle connector is connected with the end of gas tube 13.On the bottom plate 14
It is provided with cylinder 15.The cylinder 15 is cylindrical structure.The centre of the cylinder 15 is disposed with bottom plate from the bottom up
16 and upper mounted plate 20.The bottom plate 16 and upper mounted plate 20 are parallel to each other.It is provided with down among the bottom plate 16
Stomata.Stomata is provided among fixed plate 20.Being provided with below the upper stomata opposite with upper mounted plate 20 can move
Dynamic valve body 18.The valve body 18 is cylindrical body.The diameter of the valve body 18 is greater than the diameter of upper stomata.18 lower end of valve body
Spring 17 is provided between bottom plate 16.18 upper surface of valve body is provided in sealing contact with upper mounted plate lower end surface
Sealing ring 19.The upper stomata is located in the circumference range of sealing ring 19.Compression bar 21 is provided among 18 upper surface of valve body.
The compression bar 21 is circular rod-shaped configuration.The compression bar 21 passes through upper stomata straight up.The gas-flow closure ring 11 is being inflated
When be connected with charger by valve cock.In inflation, valve body 18 is opened under the action of external compressed air, compressed air
It passes sequentially through stomata, air holes and air nozzle connector and enters gas tube 13, then gas-flow closure ring 11 is entered by gas tube 13.Inflation
After the completion, valve body 18 is in sealing contact with upper mounted plate under the pressure effect of inner air, seals stomata, avoids outside gas
It lets out.When needing to deflate, valve body 18 need to only be opened by moulded rod 21, the gas inside gas-flow closure ring 11 can be discharged.
The side of the bottom plate 14 is provided with external screw thread.The valve cock outer cover is connected to detachable protective cap 12.It is described
Protective cap 12 is for protecting valve cock.The protective cap 12 is the closed cylinder-like structure of the other end open at one end.The protection
The internal screw thread that the external screw thread of 14 side of bottom plate matches is provided with and is arranged on the inside of 12 open end of cap.On the protective cap 12
Internal screw thread engaged with the external screw thread of 14 side of bottom plate.
The inside of the optical cable aperture frame 3, which is provided with, to be fixed on lower box body 1 and fixed column 6 corresponding with holes for optical cables 4.Institute
It states 6 upper end of fixed column and is provided with the semicolumn slot to match with optical cable.6 upper end of fixed column is connected on semicolumn slot
The optical cable fixing sleeve 7 of side.7 two sides of optical cable fixing sleeve are connected by screw with fixed column 6.The optical cable fixing sleeve 7 is used for
Fixed optical cable, prevents optical cable axial float.
When the utility model is used, optical cable to be first each passed through to the holes for optical cables at lower box body both ends, the optical cable at both ends is connected
It picks up and, optical cable is fixed in fixed column by optical cable fixing sleeve, then gas-flow closure ring is inflated using valve cock,
Finally upper cartridge body is bolted on lower box body.The gas-flow closure ring expands and optical cable after being inflated by the compressed air
Outer ring surface swelling cooperation, has effectively filled up the gap between holes for optical cables and optical cable in this way, has played good sealing effect.When need
When optical cable is extracted from holes for optical cables, the gas in gas-flow closure ring need to be only discharged by valve cock, so that gas-flow closure
It is unclamped between ring and optical cable, convenient for extracting optical cable.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of cable splice closure, it is characterised in that: including lower box body (1) and upper cartridge body (2), the lower box body (1) and upper box
Body is tightly connected between (2), and lower box body (1) both ends are respectively arranged with optical cable aperture frame (3), is set on each optical cable aperture frame (3)
It is equipped with holes for optical cables (4), at least provided with a gas-flow closure ring (11), the gas-flow closure ring (11) in each holes for optical cables (4)
Cooperate after inflation with optical cable outer ring surface and the swelling simultaneously of the inner ring surface of holes for optical cables (4), gas-flow closure ring (11) the side setting
Have gas tube (13), one end of the gas tube (13) is connected with the valve cock being fixed on optical cable aperture frame (3) outer surface.
2. a kind of cable splice closure according to claim 1, which is characterized in that be provided on institute holes for optical cables (4) inner ring surface
Annular groove for being positioned to gas-flow closure ring (11), gas-flow closure ring (11) interlocking is in a ring groove.
3. cable splice closure according to claim 1, which is characterized in that be provided on the inside of the optical cable aperture frame (3) solid
It is scheduled on lower box body (1) and fixed column corresponding with holes for optical cables (4) (6), fixed column (6) upper end is provided with and optical cable phase
The top of matched semicolumn slot, the semicolumn slot is equipped with optical cable fixing sleeve (7), and optical cable fixing sleeve (7) two sides pass through
Screw is connected with fixed column (6).
4. cable splice closure according to claim 1, which is characterized in that the two sides of the lower box body (1) are provided with several
A lower connection boss (5), upper cartridge body (2) two sides are provided with above connects boss with lower connection boss (5) correspondingly
(9), it is bolted between the lower connection boss (5) and corresponding upper connection boss (9).
5. cable splice closure according to claim 1, which is characterized in that be provided on the joint face of the lower box body (1)
The sealing strip (8) of annular is provided with the seal groove (10) to match with sealing strip (8) on the joint face of the upper cartridge body, described
Sealing strip (8) interlocking is in seal groove (10).
6. cable splice closure described according to claim 1 or 2 or 3 or 4 or 5, which is characterized in that the gas-flow closure ring
(11) it is fabricated from a flexible material.
7. cable splice closure according to claim 6, which is characterized in that the valve cock includes being fixed on optical cable aperture frame
(3) bottom plate on outer surface (14), the bottom plate (14) is intermediate to be provided with the air nozzle connector being connected with gas tube (13) end, institute
It states and is provided on bottom plate (14) cylinder (15), be disposed with bottom plate (16) and upper among the cylinder (15) from the bottom up
Fixed plate (20), the bottom plate (16) is intermediate to be provided with air holes, is provided with stomata among fixed plate (20),
It is provided with moveable valve body (18) below the upper stomata, is provided with spring between the valve body (18) and bottom plate (16)
(17), valve body (18) upper end is provided with the sealing ring (19) with end in contact under upper mounted plate (20), and the upper stomata is located at
In the circumference range of sealing ring (19), the compression bar (21) for passing vertically through stomata is provided among valve body (18) upper end.
8. cable splice closure according to claim 7, which is characterized in that the valve cock outer cover is connected to detachable protective
Cap (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822082518.0U CN209342993U (en) | 2018-12-12 | 2018-12-12 | Cable splice closure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822082518.0U CN209342993U (en) | 2018-12-12 | 2018-12-12 | Cable splice closure |
Publications (1)
Publication Number | Publication Date |
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CN209342993U true CN209342993U (en) | 2019-09-03 |
Family
ID=67756736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201822082518.0U Expired - Fee Related CN209342993U (en) | 2018-12-12 | 2018-12-12 | Cable splice closure |
Country Status (1)
Country | Link |
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CN (1) | CN209342993U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109884756A (en) * | 2018-12-12 | 2019-06-14 | 金华八达集团有限公司科技信息分公司 | A kind of cable splice closure |
CN111778601A (en) * | 2020-06-29 | 2020-10-16 | 苏州优百纺织有限公司 | Automatic wire connector for broken wire |
-
2018
- 2018-12-12 CN CN201822082518.0U patent/CN209342993U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109884756A (en) * | 2018-12-12 | 2019-06-14 | 金华八达集团有限公司科技信息分公司 | A kind of cable splice closure |
CN109884756B (en) * | 2018-12-12 | 2023-12-01 | 金华八达集团有限公司科技信息分公司 | Optical cable joint box |
CN111778601A (en) * | 2020-06-29 | 2020-10-16 | 苏州优百纺织有限公司 | Automatic wire connector for broken wire |
CN111778601B (en) * | 2020-06-29 | 2021-06-15 | 苏州优百纺织有限公司 | Automatic wire connector for broken wire |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190903 Termination date: 20201212 |
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CF01 | Termination of patent right due to non-payment of annual fee |