CN110501793A - The good cable splice closure of sealing effect - Google Patents
The good cable splice closure of sealing effect Download PDFInfo
- Publication number
- CN110501793A CN110501793A CN201910585782.2A CN201910585782A CN110501793A CN 110501793 A CN110501793 A CN 110501793A CN 201910585782 A CN201910585782 A CN 201910585782A CN 110501793 A CN110501793 A CN 110501793A
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- sealing
- cable
- optical cable
- splice closure
- seal
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4441—Boxes
- G02B6/4446—Cable boxes, e.g. splicing boxes with two or more multi fibre cables
- G02B6/44465—Seals
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4441—Boxes
- G02B6/4442—Cap coupling boxes
- G02B6/4444—Seals
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4441—Boxes
- G02B6/4446—Cable boxes, e.g. splicing boxes with two or more multi fibre cables
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention discloses a kind of good cable splice closures of sealing effect, it is desirable to provide a kind of not only sealing effect is good, but also the cable splice closure that the convenient sealing effect of optical cable connection operation is good.It includes lower box body, upper cartridge body, Cable entry and seal assembly, Cable entry is made of the optical cable lower inlet being arranged on the upper surface of lower box body with the optical cable upper inlet on the lower end surface that upper cartridge body is arranged in, the upper surface of lower box body is equipped with lower seal mounting groove, the lower end surface of upper cartridge body is equipped with upper seal mounting groove, seal assembly includes upper seal and lower seal, lower seal includes sealing block and the lower sealing strip being arranged in lower seal mounting groove under the optical cable being arranged in optical cable lower inlet, lower sealing strip is connected as one with sealing block under optical cable, upper seal includes sealing block and the upper sealing strip being arranged in upper seal mounting groove on the optical cable being arranged in optical cable upper inlet, upper sealing strip is connected as one with sealing block on optical cable.
Description
Technical field
The present invention relates to a kind of cable splice closures, and in particular to a kind of cable splice closure that sealing effect is good.
Background technique
Cable splice closure is the connecting part that two or more optical cables link together, and have guard block, from
The influence of external environment keeps reliable and stable operating state, must be used in lightguide cable link engineering construction, and right and wrong
Often important one of equipment, the quality of cable splice closure directly affect the quality of lightguide cable link and the service life of lightguide cable link.
Humidity is environmental physical parameter important in production and living, directly affects the characteristic functions of engineering material and the safety of valuable cargo
It ensures, and the humidity in cable splice closure then directly affects the quality of the lightguide cable link in cable splice closure and making for lightguide cable link
With the service life, thus cable splice closure is more demanding to sealing performance.Current cable splice closure generally includes lower box body, upper cartridge body
And the sealing element between lower box body and upper cartridge body is set, the both ends of cable splice closure are equipped with Cable entry, Cable entry by
The optical cable lower inlet being arranged on the upper surface of lower box body is formed with the optical cable upper inlet being arranged on the lower end surface of upper cartridge body, light
Cable entrance is equipped with the optical cable sealing shroud of sealing optical cable.Due to the setting of Cable entry, sealing strip is separated by optical cable sealing shroud, sealing
Part will be made of (annular sealing strip that sealing strip can not form a head and the tail connection) multistage sealing strip, and assembler is in practical peace
When dress, it is easy to influence the sealing performance between lower box body and upper cartridge body there are gap between sealing strip and optical cable sealing shroud, so that
Extraneous moisture and rainwater are easily accessible cable splice closure, influence the quality of lightguide cable link and the service life of lightguide cable link.
On the other hand, for applying in outdoor cable splice closure, due to the good seal performance of cable splice closure, by round the clock
The influence of the temperature difference, especially summer and winter day and night temperature are big, and the air pressure fluctuation in cable splice closure is big, when daylight temperature is high,
Air pressure in cable splice closure is high (air pressure in cable splice closure is higher than external atmosphere pressure), so can further influence optical cable
The sealing performance of connector box, in some instances it may even be possible to influence the junction structure etc. in cable splice closure.
Summary of the invention
It is good the purpose of the invention is to provide a kind of not only sealing effect, and optical cable connection operation easily seals effect
The good cable splice closure of fruit.
The technical scheme is that
A kind of cable splice closure that sealing effect is good, including lower box body, upper cartridge body, Cable entry and setting are in lower box body and upper box
Seal assembly between body, the Cable entry is by the optical cable lower inlet being arranged on the upper surface of lower box body and setting in upper box
Optical cable upper inlet composition on the lower end surface of body, the upper surface of the lower box body are equipped with lower seal mounting groove, lower seal
The upper surface edge of the lower box body on mounting groove edge extends, and lower seal mounting groove is connected with optical cable lower inlet, it is described on
The lower end surface of box body is equipped with upper seal mounting groove, and the lower end surface edge of the upper cartridge body on upper seal mounting groove edge extends, and
And upper seal mounting groove is connected with optical cable upper inlet, the seal assembly includes upper seal and lower seal, under described
Sealing element includes sealing block and the lower sealing strip being arranged in lower seal mounting groove under the optical cable being arranged in optical cable lower inlet,
Lower sealing strip is connected as one with sealing block under optical cable, and the upper surface of sealing block is equipped with cross section semicircular in shape under the optical cable
Lower sealing through slot；The upper seal include on the optical cable being arranged in optical cable upper inlet sealing block and setting upper seal pacify
Upper sealing strip in tankage, upper sealing strip are connected as one with sealing block on optical cable, and the lower surface of sealing block is set on the optical cable
There is the upper sealing through slot of cross section semicircular in shape；The lower box body is bolted with upper cartridge body, the lower sealing strip with it is upper
Sealing strip fits closely, and sealing block is fitted closely with sealing block on optical cable under cable so that seal assembly be tightly connected lower box body with
Upper cartridge body, the lower sealing through slot and upper sealing through slot shape are jointly at optical cable via hole.
Be easy between the sealing strip and optical cable sealing shroud of cable splice closure in the prior art there are gap, under the influence of box
Sealing performance between body and upper cartridge body influences lightguide cable link so that extraneous moisture and rainwater are easily accessible cable splice closure
Quality is compared with the service life of lightguide cable link, and lower sealing strip is connected as one with sealing block under optical cable in this programme, upper sealing
Item is connected as one with sealing block on optical cable, thus, gap, upper sealing strip is not present under lower sealing strip and optical cable between sealing block
With on optical cable between sealing block also be not present gap, be so bolted in lower box body and upper cartridge body, so that lower sealing strip
It is fitted closely with upper sealing strip, sealing block is fitted closely with sealing block on optical cable under cable, so that seal assembly be made reliably to seal
Lower box body and upper cartridge body are connected, guarantees the sealing performance between lower box body and upper cartridge body, sealing effect is good.On the other hand, due to
Lower sealing through slot and upper sealing through slot shape are jointly at optical cable via hole, in this way, connecting in cable splice closure in two or more optical cables
When being connected together, directly two or more optical cables can be linked together, then, optical cable is placed in corresponding lower sealing through slot
It is interior；Then, upper cartridge body is covered, is placed in optical cable in corresponding upper sealing through slot, then be bolted lower box body with
Upper cartridge body has the characteristics that optical cable connection operation is convenient.
Preferably, the medial surface of lower sealing through slot is equipped with several semicircular lower convex ribs, the lower convex ribs are close under
The length direction of envelope through slot is sequentially distributed.
Preferably, the medial surface of upper sealing through slot is equipped with several semicircular upper ribs, the upper rib is along upper close
The length direction of envelope through slot is sequentially distributed.
Preferably, sealing block is integrally formed under lower sealing strip and optical cable.
Preferably, sealing block is integrally formed on upper sealing strip and optical cable.
Preferably, further include pressure self-adjusting section structure, pressure self-adjusting section structure include be arranged in it is vertical on lower box body
Cylinder body, be arranged in vertical cylinder body medial surface top limited block, be arranged in vertical cylinder body and be located at limited block below branch
Support member and it is slidably arranged in the intracorporal sliding plunger of vertical cylinder, the upper end of the vertical cylinder body is connected with the inner cavity of cable splice closure
Logical, the lower end of vertical cylinder body is connected to the outside of cable splice closure, and the sliding plunger is between limited block and supporting element, institute
It states and is additionally provided with reset spring between sliding plunger and supporting element.In this way, the air pressure in ambient temperature height, in cable splice closure
When increase, the air pressure in cable splice closure will overcome the elastic force of reset spring, and making sliding plunger, vertically cylinder body moves down, and pass through increasing
Volume in big cable splice closure, to reduce the air pressure in cable splice closure；When ambient temperature reduces, in cable splice closure
Air pressure reduce when, sliding plunger moves up under the action of reset spring, so that the air pressure in autobalance cable splice closure, keeps away
The air pressure exempted from cable splice closure is excessive.
Preferably, further including alarm device, slide post is additionally provided in the vertical cylinder body, slide post is located at sliding plunger
Between supporting element, the side on the supporting element towards slide post is equipped with pressure sensor, and the reset spring is located at sliding
Between piston and slide post, so that slide post is pressed on pressure sensor；Within the period of setting, the inspection of pressure sensor
When the fluctuation range of the pressure value measured is less than setting value, then alarm device sounds an alarm.It is influenced by day and night temperature, in optical cable
In the case where the favorable sealing property of connector box, when daylight temperature is high, the air pressure in cable splice closure is high, at this time sliding plunger
Overcoming the elastic force of reset spring, vertically cylinder body moves down, and the air pressure when nocturnal temperature is low in cable splice closure is low, slides at this time
Piston moves up under the action of reset spring, i.e., is influenced by day and night temperature, sliding plunger will vertically cylinder body occur on move down
Dynamic, in this way, the pressure that reset spring is acted on pressure sensor by slide post also changes therewith, sliding plunger is along perpendicular
When moving down to cylinder body, reset spring acts on the pressure on pressure sensor by slide post and increases, sliding plunger vertically cylinder
When body moves up, reset spring acts on the pressure on pressure sensor by slide post and reduces；If cable splice closure makes for a long time
When with occurring poor sealing in the process, then when the air pressure in cable splice closure increases, the gas in cable splice closure will pass through
The position of poor sealing is discharged, and when the air pressure in cable splice closure reduces, extraneous gas will pass through the position of poor sealing
Into in cable splice closure, if thus cable splice closure when occurring poor sealing in the long-term use, sliding plunger will
It will not be moved up and down in vertically cylinder body；Using this feature, this programme is by within the period of setting, if pressure passes
When the fluctuation range for the pressure value of sensor detected is less than setting value, illustrate that cable splice closure occurs in the long-term use
Poor sealing, then alarm device sounds an alarm, and service personnel has been reminded to overhaul.
Preferably, the lower ending opening of vertical cylinder body, the supporting element are arranged in the lower ending opening of vertical cylinder body, support
Part is removably connected as one with vertical cylinder body by screw thread or buckle, and the supporting element, which is equipped with, runs through supporting element upper and lower side
First venthole in face.
Preferably, slide post is equipped with the second venthole through slide post upper and lower end face.
The beneficial effects of the present invention are:
First, not only sealing effect is good, but also optical cable connection operation is convenient.
Second, can air pressure in autobalance cable splice closure, avoid the air pressure in cable splice closure excessive.
Detailed description of the invention
Fig. 1 is a kind of a kind of the schematic diagram of the section structure of the good cable splice closure of sealing effect of the invention.
Fig. 2 is a kind of top view of lower box body of the invention.
Fig. 3 is a kind of top view that lower seal of the invention is installed on lower box body.
Fig. 4 is a kind of partial enlarged view in Fig. 1 at A.
In figure:
Lower box body 1；
Upper cartridge body 2；
Seal assembly 3, upper seal 3.1, sealing block 3.11 on optical cable, upper sealing strip 3.12, lower seal 3.2 are close under optical cable
Seal block 3.21, lower sealing strip 3.22；
Optical cable via hole 4, upper sealing through slot 4.1, lower sealing through slot 4.2, lower convex ribs 4.21；
Lower seal mounting groove 5；
Optical cable lower inlet 6.1；
Pressure self-adjusting section structure 7, vertical cylinder body 7.1, limited block 7.2, supporting element 7.3, sliding plunger 7.4, reset spring 7.5；
Controller 8.0, slide post 8.1, pressure sensor 8.2.
Specific embodiment
To keep technical solution of the present invention embodiment purposes, technical schemes and advantages clearer, with reference to the accompanying drawing to this
The technical solution of inventive embodiments carries out clearly explanation and illustration, but following embodiments are merely a preferred embodiment of the present invention,
Rather than whole embodiments.Based on the implementation example in the implementation mode, those skilled in the art are not making creative work
Under the premise of obtained other embodiments, belong to protection scope of the present invention.
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining this programme, and cannot be construed to the limitation to the present invention program.
Referring to following description and drawings, it will be clear that these and other aspects of the embodiment of the present invention.In these descriptions
In attached drawing, some particular implementations in the embodiment of the present invention are specifically disclosed to indicate to implement the embodiment of the present invention
Principle some modes, but it is to be understood that the scope of embodiments of the invention is not limited.On the contrary, reality of the invention
Applying example includes all changes, modification and the equivalent fallen within the scope of the spirit and intension of attached claims.
In the description of the present invention, it is to be understood that, term " thickness ", "upper", "lower", "horizontal", "top", "bottom",
The orientation or positional relationship of the instructions such as "inner", "outside", " circumferential direction " be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In the description of the present invention, " multiple "
It is meant that at least two, such as two, three etc., unless otherwise specifically defined, " several " are meant that expression one
Or it is multiple.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral: can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Specific embodiment one: as shown in Figure 1, Figure 2, Figure 3 shows, a kind of cable splice closure that sealing effect is good, including lower box body
1, upper cartridge body 2, Cable entry and the seal assembly 3 being arranged between lower box body and upper cartridge body.In the present embodiment, cable splice closure
Both ends be respectively equipped with two Cable entries.Cable entry by the optical cable lower inlet 6.1 that is arranged on the upper surface of lower box body with
Optical cable upper inlet composition on the lower end surface of upper cartridge body is set.The upper surface of lower box body is equipped with lower seal mounting groove 5, under
The upper surface edge of the lower box body on sealing ring mounting groove edge extends, and lower seal mounting groove is connected with optical cable lower inlet.
The lower end surface of upper cartridge body is equipped with upper seal mounting groove, and the lower end surface edge of the upper cartridge body on upper seal mounting groove edge extends,
And upper seal mounting groove is connected with optical cable upper inlet.
Seal assembly 3 includes upper seal 3.1 and lower seal 3.2.Upper seal 3.1 includes being arranged in optical cable upper inlet
Sealing block 3.11 and the upper sealing strip 3.12 being arranged in upper seal mounting groove on interior optical cable, sealing block and optical cable on optical cable
Upper inlet corresponds, and upper sealing strip is connected as one with sealing block on optical cable, and the lower surface of sealing block is equipped with transversal on optical cable
The upper sealing through slot 4.1 of face semicircular in shape.Lower seal 3.2 includes that sealing block 3.21 under the optical cable in optical cable lower inlet is arranged in
And the lower sealing strip 3.22 in lower seal mounting groove is set, sealing block and optical cable lower inlet correspond under optical cable, under it is close
Strip of paper used for sealing is connected as one with sealing block under optical cable, and the lower sealing that the upper surface of sealing block is equipped with cross section semicircular in shape under optical cable is led to
Slot 4.2.Lower box body is bolted with upper cartridge body so that lower sealing strip is fitted closely with upper sealing strip, under cable sealing block with
Sealing block fits closely on optical cable, so that seal assembly be made to be tightly connected lower box body and upper cartridge body.Lower sealing through slot and upper sealing
Through slot corresponds, and lower sealing through slot is with corresponding upper sealing through slot shape jointly at optical cable via hole 4.
Be easy between the sealing strip and optical cable sealing shroud of cable splice closure in the prior art there are gap, under the influence of box
Sealing performance between body and upper cartridge body influences lightguide cable link so that extraneous moisture and rainwater are easily accessible cable splice closure
Quality is compared with the service life of lightguide cable link, and lower sealing strip is connected as one with sealing block under optical cable in this programme, upper sealing
Item is connected as one with sealing block on optical cable, thus, gap, upper sealing strip is not present under lower sealing strip and optical cable between sealing block
With on optical cable between sealing block also be not present gap, be so bolted in lower box body and upper cartridge body, so that lower sealing strip
It is fitted closely with upper sealing strip, sealing block is fitted closely with sealing block on optical cable under cable, so that seal assembly be made reliably to seal
Lower box body and upper cartridge body are connected, guarantees the sealing performance between lower box body and upper cartridge body, sealing effect is good.
On the other hand, since lower sealing through slot and upper sealing through slot shape are jointly at optical cable via hole, in this way, at two or more
When optical cable links together in cable splice closure, directly two or more optical cables can be linked together, then, by optical cable
It is placed in corresponding lower sealing through slot；Then, upper cartridge body is covered, is placed in optical cable in corresponding upper sealing through slot, then exists
Lower box body and upper cartridge body is bolted, has the characteristics that optical cable connection operation is convenient.
Further, the medial surface of lower sealing through slot 4.2 is equipped with several semicircular lower convex ribs 4.21, and lower convex ribs are under
The length direction of sealing through slot is sequentially distributed.It is upper sealing through slot medial surface be equipped with several semicircular upper ribs, it is described on
Convex ribs are sequentially distributed along the length direction of upper sealing through slot.Lower convex ribs and upper rib correspond.
Further, lower sealing strip is integrally formed with sealing block under optical cable.On upper sealing strip and optical cable sealing block one at
Type.
Specific embodiment two: remaining structure reference specific embodiment one of the present embodiment, the difference is that:
As Figure 1 and Figure 4, the good cable splice closure of a kind of sealing effect further includes pressure self-adjusting section structure 7.Pressure self-adjusting section
Structure includes the vertical cylinder body 7.1 being arranged on lower box body 1, the limited block 7.2 on the medial surface top that vertical cylinder body is arranged in, sets
It sets the supporting element 7.3 in vertical cylinder body and being located at below limited block and is slidably arranged in the intracorporal sliding plunger 7.4 of vertical cylinder.
The vertical upper end of cylinder body is connected with the inner cavity of cable splice closure, and the lower end of vertical cylinder body is connected to the outside of cable splice closure,
Specifically, the upper end opening of vertical cylinder body, and the vertical upper end opening of cylinder body is connected with the inner cavity of cable splice closure, erects
To the lower ending opening of cylinder body, and the vertical lower ending opening of cylinder body is connected to the outside of cable splice closure.Sliding plunger is located at limit
Between block and supporting element.Reset spring 7.5 is additionally provided between sliding plunger and supporting element.Effect of the sliding plunger in reset spring
Under be against on limited block.
In this way, the air pressure general gram in ambient temperature height, when the air pressure in cable splice closure increases, in cable splice closure
The elastic force for taking reset spring, making sliding plunger, vertically cylinder body moves down, by increasing the volume in cable splice closure, to reduce light
Air pressure in cable connector box；When ambient temperature reduces, and the air pressure in cable splice closure reduces, sliding plunger is resetting bullet
It is moved up under the action of spring, so that the air pressure in autobalance cable splice closure, avoids the air pressure in cable splice closure excessive.
Further, supporting element 7.3 is arranged in the lower ending opening of vertical cylinder body, and supporting element and vertical cylinder body pass through screw thread
Or buckle is removably connected as one, supporting element is equipped with the first venthole through supporting element upper and lower end face.
Specific embodiment three: remaining structure reference specific embodiment two of the present embodiment, the difference is that:
As shown in figure 4, the cable splice closure that a kind of sealing effect is good, further includes controller 8.0 and alarm device.Alarm device is
Alarm device.The outside of cable splice closure is arranged in controller, and controller is externally provided with rain cover.Alarm device is arranged in cable splice closure
Outside or be arranged in control room, alarm device is electrically connected with the controller respectively.It is additionally provided with slide post 8.1 in vertical cylinder body,
For slide post between sliding plunger and supporting element, the side on supporting element towards slide post is equipped with pressure sensor 8.2, resets
Spring 7.5 is between sliding plunger and slide post, so that slide post is pressed on pressure sensor；
Within the period of setting, for example, in 24 hours or 36 hours or 48 hours, the pressure of pressure sensor detected
When the fluctuation range of value is less than setting value, for example, the fluctuation range for the pressure value of pressure sensor detected is less than 0.5 N
Or less than 1 N or less than 2 Ns, then alarm device sounds an alarm；Specifically, continuous 24 hours or 36 hours any
Or in 48 hours, the fluctuation range for the pressure value of pressure sensor detected less than 0.5 N or less than 1 N or less than 2 Ns,
Then controller control alarm device sounds an alarm, and service personnel is reminded to overhaul.
It is influenced by day and night temperature, in the case where the favorable sealing property of cable splice closure, when daylight temperature is high, light
Air pressure in cable connector box is high, and sliding plunger overcomes the elastic force of reset spring vertically cylinder body moves down at this time, low in nocturnal temperature
When cable splice closure in air pressure it is low, sliding plunger moves up under the action of reset spring at this time, i.e., influenced by day and night temperature,
Sliding plunger will vertically cylinder body move up and down, in this way, reset spring is acted on pressure sensor by slide post
Pressure also changes therewith, and for sliding plunger when vertically cylinder body moves down, reset spring acts on pressure sensing by slide post
Pressure on device increases, and when vertically cylinder body moves up, reset spring is acted on pressure sensor sliding plunger by slide post
Pressure reduce；Air pressure if poor sealing occurs in the long-term use in cable splice closure, in cable splice closure
When raising, the gas in cable splice closure will be discharged by the position of poor sealing, when the air pressure in cable splice closure reduces,
Extraneous gas will be entered in cable splice closure by the position of poor sealing, if thus cable splice closure in long-term use process
In when there is poor sealing, then sliding plunger will not be in vertically cylinder body and move up and down；Utilize this feature, this programme
By within the period of setting, if the fluctuation range for the pressure value of pressure sensor detected is less than setting value, explanation
There is poor sealing in the long-term use in cable splice closure, then alarm device sounds an alarm, and service personnel has been reminded to overhaul.
Further, slide post is equipped with the second venthole through slide post upper and lower end face.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention
Technical spirit any simple modification, change and equivalent transformation to the above embodiments, still fall within the technology of the present invention side
The protection scope of case.
Claims (9)
1. a kind of good cable splice closure of sealing effect, including lower box body, upper cartridge body, Cable entry and setting lower box body with it is upper
Seal assembly between box body, characterized in that the Cable entry is by the optical cable lower inlet that is arranged on the upper surface of lower box body
It is formed with the optical cable upper inlet on the lower end surface that upper cartridge body is arranged in, the upper surface of the lower box body is installed equipped with lower seal
The upper surface edge of slot, the lower box body on lower seal mounting groove edge extends, and lower seal mounting groove and optical cable lower inlet phase
The lower end surface of connection, the upper cartridge body is equipped with upper seal mounting groove, the lower end surface of the upper cartridge body on upper seal mounting groove edge
Edge extends, and upper seal mounting groove is connected with optical cable upper inlet,
The seal assembly includes upper seal and lower seal, and the lower seal includes the light being arranged in optical cable lower inlet
Sealing block is connected as one under sealing block and the lower sealing strip being arranged in lower seal mounting groove under cable, lower sealing strip and optical cable
Body, the upper surface of sealing block is equipped with the lower sealing through slot of cross section semicircular in shape under the optical cable；The upper seal includes setting
Set sealing block and the upper sealing strip being arranged in upper seal mounting groove, upper sealing strip and light on the optical cable in optical cable upper inlet
Sealing block is connected as one on cable, and the lower surface of sealing block is equipped with the upper sealing through slot of cross section semicircular in shape on the optical cable；
The lower box body is bolted with upper cartridge body, and the lower sealing strip is fitted closely with upper sealing strip, sealing block under cable
Fitted closely with sealing block on optical cable so that seal assembly is tightly connected lower box body and upper cartridge body, the lower sealing through slot with it is upper
Through slot shape is sealed jointly at optical cable via hole.
2. the good cable splice closure of sealing effect according to claim 1, characterized in that the inside of the lower sealing through slot
Face is equipped with several semicircular lower convex ribs, and the lower convex ribs are sequentially distributed along the length direction of lower sealing through slot.
3. the good cable splice closure of sealing effect according to claim 2, characterized in that the inside of the upper sealing through slot
Face is equipped with several semicircular upper ribs, and the upper rib is sequentially distributed along the length direction of upper sealing through slot.
4. the good cable splice closure of sealing effect according to claim 1 or 2 or 3, characterized in that the lower sealing strip with
Sealing block is integrally formed under optical cable.
5. the good cable splice closure of sealing effect according to claim 1 or 2 or 3, characterized in that the upper sealing strip with
Sealing block is integrally formed on optical cable.
6. the good cable splice closure of sealing effect according to claim 1 or 2 or 3, characterized in that further include pressure self-adjusting
Section structure, pressure self-adjusting section structure include the vertical cylinder body being arranged on lower box body, the medial surface top that vertical cylinder body is arranged in
Limited block, be arranged in vertical cylinder body and be located at limited block below supporting element and be slidably arranged in the intracorporal sliding of vertical cylinder
The upper end of piston, the vertical cylinder body is connected with the inner cavity of cable splice closure, the lower end of vertical cylinder body and cable splice closure
Outside connection, the sliding plunger are additionally provided with multiple between limited block and supporting element between the sliding plunger and supporting element
Position spring.
7. the good cable splice closure of sealing effect according to claim 6, characterized in that it further include alarm device, it is described
It is additionally provided with slide post in vertical cylinder body, slide post is between sliding plunger and supporting element, towards slide post on the supporting element
Side be equipped with pressure sensor, the reset spring is between sliding plunger and slide post, so that slide post is pressed on pressure
On force snesor；
Within the period of setting, when the fluctuation range for the pressure value of pressure sensor detected is less than setting value, then alarm
Device sounds an alarm.
8. the good cable splice closure of sealing effect according to claim 6, characterized in that open the lower end of the vertical cylinder body
Mouthful, the supporting element is arranged in the lower ending opening of vertical cylinder body, and supporting element and vertical cylinder body are detachable by screw thread or buckle
Be connected as one, the supporting element be equipped with through supporting element upper and lower end face the first venthole.
9. the good cable splice closure of sealing effect according to claim 7, characterized in that the slide post, which is equipped with, to be run through
Second venthole of slide post upper and lower end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910585782.2A CN110501793B (en) | 2019-07-01 | 2019-07-01 | Optical cable joint box with good sealing effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910585782.2A CN110501793B (en) | 2019-07-01 | 2019-07-01 | Optical cable joint box with good sealing effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110501793A true CN110501793A (en) | 2019-11-26 |
| CN110501793B CN110501793B (en) | 2020-07-17 |
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ID=68585979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910585782.2A Active CN110501793B (en) | 2019-07-01 | 2019-07-01 | Optical cable joint box with good sealing effect |
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| Country | Link |
|---|---|
| CN (1) | CN110501793B (en) |
Citations (13)
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| CN110501793B (en) | 2020-07-17 |
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