CN107294046A - A kind of terminal box - Google Patents
A kind of terminal box Download PDFInfo
- Publication number
- CN107294046A CN107294046A CN201710711559.9A CN201710711559A CN107294046A CN 107294046 A CN107294046 A CN 107294046A CN 201710711559 A CN201710711559 A CN 201710711559A CN 107294046 A CN107294046 A CN 107294046A
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- CN
- China
- Prior art keywords
- box
- seal
- terminal box
- preformed hole
- plugging
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cable Accessories (AREA)
Abstract
Include upper box and lower box the invention discloses a kind of terminal box；The bottom of upper box, which offers to be equipped with multiple through holes including at least one preformed hole, preformed hole, can seal the seal of the preformed hole；The upper surface of seal is higher than the upper surface of the first plugging structure；And/or the lower surface of seal is less than the lower surface of the second plugging structure；First plugging structure, is the structure of the plugging material formation of the bottom interior surface for the upper box that is laid in after wearing cable in the through hole in addition to preformed hole；Second plugging structure, is the structure of the plugging material formation of the bottom outer surface for the upper box that is laid in after wearing cable in the through hole in addition to preformed hole；The bottom of lower box is connected with cable duct, and the top side wall of lower box is provided with mouth of pipe ventilation shaft directed downwardly.The terminal box, when can prevent the follow-up progress transformation increase cable to terminal box, the waste of the plugging material caused.
Description
Technical field
The present invention relates to technical field of electric equipment, more particularly to a kind of terminal box.
Background technology
Terminal box bottom half generally offers multiple through holes that current supply cable passes through, and which part through hole is preformed hole, is supplied
Increased cable passes through when transforming in the future.Because terminal box bottom half is contacted with moist cable duct throughout the year, this causes cable
The moisture of ditch enters terminal box easily by the gap between cable and through hole or by preformed hole, makes production inside terminal box
The insulating properties of electrical equipment and life-span in raw condensation, reduction terminal box.
In the prior art, in order to prevent the moisture of cable duct by the gap between cable and through hole or by reserved
Hole enters terminal box, plugging material can be laid in the whole bottom of terminal box, with as far as possible closely between cable and through hole
Gap and preformed hole are blocked.
However, after closure, plugging material can form a firm entirety, also, plugging material in terminal case body bottom
It is disposable, knocks out rear non-reusable.And when transformation increase cable is carried out to terminal box, in order to dredge preformed hole, and not
Obtain entirety and knock out plugging material, the waste for causing plugging material is doubted without this.
The content of the invention
The embodiment of the present invention provides a kind of terminal box, to solve to carry out terminal box during transformation increase cable, it is necessary to overall
Plugging material is knocked out, the problem of plugging material is wasted is caused.
The embodiment of the present invention uses following technical proposals：
A kind of terminal box, including：Upper box and lower box；
The bottom of the upper box offers multiple through holes, wherein, the multiple through hole includes at least one preformed hole,
The seal of the preformed hole can be sealed by being equipped with the preformed hole；
The upper surface of the seal is higher than the upper surface of the first plugging structure；And/or, the lower surface of the seal is low
In the lower surface of the second plugging structure；Wherein, first plugging structure, is worn in the through hole in addition to the preformed hole
After cable, the structure of the plugging material formation of the bottom interior surface for the upper box that is laid in；Second plugging structure, be
Worn in through hole in addition to the preformed hole after cable, the plugging material of the bottom outer surface for the upper box that is laid in is formed
Structure；
The bottom of the lower box is connected with cable duct, and the top side wall of the lower box is provided with ventilation shaft；It is described
The mouth of pipe of ventilation shaft is down.
Alternatively, the seal is the sealed pipe fittings of at least one port closed.
Alternatively, the upper port closing of the sealed pipe fittings, and fire prevention calking is filled with the sealed pipe fittings.
Alternatively, the seal is made up of flame-proof polyvinyl chloride PVC.
Alternatively, when the preformed hole is circular port, the bottom of the seal and the upper box is connected by screw thread
Connect.
Alternatively, the ventilation shaft includes：Vent body and the termination for offering ventilation mesh；
One end of the vent body is installed in the top side wall of the lower box, and is connected with the lower box；Institute
Stating the other end of vent body, to extend to the nowel external；
The termination and the other end of the vent body are detachably connected.
Alternatively, the termination and the other end of the vent body are connected through a screw thread.
Alternatively, the vent body and the termination are made by PVC.
Alternatively, the top side wall of the lower box is provided with ventilation shaft described in even number, the even number ventilation altogether
Pipeline is divided equally, the top just to being arranged on two relative side walls on the lower box.
Alternatively, the terminal box also includes ceiling, and the ceiling is arranged on the surface of the upper box；
The height of the ceiling is gradually reduced from centre to edge, and the area coverage of the ceiling is more than upper box
The area at top.
A kind of terminal box that the present invention is provided, on the one hand, because the seal by individually wearing blocks preformed hole, and
The upper surface of seal after wearing is higher than the upper surface of the first plugging structure, and/or, the lower surface of the seal after wearing is low
In the lower surface of the second plugging structure, when this causes the follow-up progress transformation increase cable to terminal box, it need to only remove in preformed hole
Seal, without knocking out the first plugging structure and/or the second plugging structure, therefore, it is to avoid the waste of plugging material.Separately
On the one hand, due to being additionally arranged the lower box connected with cable duct, and the side wall top of lower box between cable duct and upper box
Portion is provided with the ventilation shaft connected with lower box, and this enables the moisture in cable duct to take the lead in by being arranged on nowel side
Ventilation shaft at the top of wall is excluded, without entering upper box, so as to prevent from producing condensation in upper box well.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the present invention, this hair
Bright schematic description and description is used to explain the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
A kind of structural representation of the embodiment for the terminal box that Fig. 1 provides for the embodiment of the present application；
A kind of structural representation of the embodiment for the ventilation shaft that Fig. 2A provides for the embodiment of the present application；
The structural representation of another embodiment of the ventilation shaft that Fig. 2 B provide for the embodiment of the present application；
A kind of structural representation of embodiment of the termination for the ventilation shaft that Fig. 3 provides for the embodiment of the present application；
The structural representation of another embodiment of the terminal box that Fig. 4 provides for the embodiment of the present application；
The structural representation of another embodiment of the terminal box that Fig. 5 provides for the embodiment of the present application；
The structural representation of another embodiment of the terminal box that Fig. 6 provides for the embodiment of the present application.
Fig. 1 into Fig. 6 all parts title and respective drawings mark between corresponding relation be：
101 upper boxes；The bottom of 101-1 upper boxes；101-2 through holes；101-3 preformed holes；
102 lower boxes；
103 ceilings；
104 seals；
105 ventilation shafts；105-1 vent bodies；105-2 terminations；105-3 ventilation mesh；
106 ground；
107 first plugging structures；
108 cables；
109 second plugging structures.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described corresponding accompanying drawing.Obviously, described embodiment is only the present invention one
Section Example, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, belong to the scope of protection of the invention.
In order to solve in the prior art, when transformation increase cable is carried out to terminal box, it is necessary to overall to knock out plugging material, to make
The problem of being wasted into plugging material, the embodiment of the present invention proposes a kind of terminal box.
Firstly, it is necessary to explanation, in embodiments of the present invention, the inner surface of the bottom for the casing addressed and outer surface,
It is that for whole casing, in the bottom of casing, the one side in casing can be referred to as inner surface, accordingly,
One side outside casing can be referred to as outer surface.
A kind of terminal box provided in an embodiment of the present invention, including：Upper box and lower box.
Wherein, the bottom of upper box offers multiple through holes, and this multiple through hole includes at least one preformed hole, each pre-
The seal of the preformed hole can be sealed by being equipped with boxing out.
In actual applications, cable termination is arranged in upper box.
The upper surface of upper box seal is higher than the upper surface of the first plugging structure；And/or, the lower surface of the seal
Less than the lower surface of the second plugging structure；Wherein, first plugging structure, is worn in the through hole in addition to the preformed hole
If after cable, the structure of the plugging material formation of the bottom interior surface for the upper box that is laid in；Second plugging structure, be
After cable being worn in the through hole in addition to the preformed hole, the plugging material shape of the bottom outer surface for the upper box that is laid in
Into structure.
Specifically, after cable is worn in the through hole in addition to preformed hole, only in the bottom of the upper box
Plugging material is laid on surface, namely when only setting above-mentioned first plugging structure, the upper surface of above-mentioned seal is higher than the first closure
The upper surface of structure.After cable is worn in the through hole in addition to preformed hole, the only outer surface in the bottom of the upper box
Plugging material is laid, namely when only setting above-mentioned second plugging structure, the lower surface of above-mentioned seal is less than the second plugging structure
Lower surface.After cable is worn in the through hole in addition to preformed hole, in order to lift the sealing property of terminal box, while in institute
The inner surface and outer surface for stating upper box bottom lay plugging material, namely set the first plugging structure and second to block knot simultaneously
During structure, not only the upper surface of above-mentioned seal is higher than the upper surface of the first plugging structure, and the lower surface of above-mentioned seal is low
In the lower surface of the second plugging structure.
Wherein, the bottom of lower box is connected with cable duct, and the top side wall of the lower box is provided with ventilation shaft；And
The mouth of pipe of the ventilation shaft is down.
It is not difficult to find out, on the one hand, due to blocking preformed hole by the seal that individually wears, and the seal after wearing
Upper surface be higher than the upper surface of the first plugging structure, and/or, the lower surface of the seal after wearing is less than the second plugging structure
Lower surface, this cause it is follow-up only need to remove the seal in preformed hole when transformation increase cable is carried out to terminal box, without
The first plugging structure and/or the second plugging structure are knocked out, therefore, it is to avoid the waste of plugging material.
On the other hand, due to being additionally arranged the lower box connected with cable duct, and nowel between cable duct and upper box
The top side wall of body is provided with the ventilation shaft connected with lower box, and this enables the moisture in cable duct to take the lead in by setting
Excluded in the ventilation shaft of lower box top side wall, without entering upper box, so as to prevent from producing in upper box well
Raw condensation.
Further, since ventilation shaft is arranged on the top of nowel body sidewall, and the mouth of pipe is down, and hence it is also possible to prevent
Rainwater and excess surface water enter cable duct via ventilation shaft, it is to avoid secondary moist situation occurs in cable duct.
Under normal circumstances, distance of the mouth of pipe of ventilation shaft 105 away from ground 106 can be arranged between 10~30cm,
To prevent the ponding on ground from pouring into cable duct via ventilation shaft, it is to avoid secondary moist situation occurs in cable duct.
Below in conjunction with accompanying drawing, the technical scheme that various embodiments of the present invention are provided is described in detail.
Referring to Fig. 1, a kind of structural representation of the embodiment for the terminal box that Fig. 1 provides for the embodiment of the present application
Figure.
As shown in figure 1, a kind of terminal box, including：Upper box 101 and lower box 102.
In Fig. 1, the bottom 101-1 of upper box 101 offers multiple through hole 101-2, and this multiple through hole 101-2 includes
The seal 104 of the preformed hole can be sealed by being equipped with least one preformed hole 101-3, each preformed hole 101-3.
It should be noted that in Fig. 1, merely exemplary depicts two through hole 101-2, and one of them is preformed hole
101-3.However, it will be understood by those skilled in the art that in actual applications, through hole 101-2 quantity and preformed hole 101-3 number
Amount can flexibly be set.
Inner surface of the upper surface of seal 104 higher than the bottom 101-2 of upper box 101, the lower surface of seal 104 is low
In the bottom 101-2 of upper box 101 outer surface.
Specifically, above-mentioned seal 104 can be the sealed pipe fittings of at least one port closed, to mitigate seal
104 weight.
When on this basis, in order to prevent that cable duct from catching fire, the intensity of a fire, which takes the lead in burning out sealed pipe fittings, to be spread in terminal box, close
The upper port closing of tube sealing part, and fire prevention calking is filled with the sealed pipe fittings.Wherein, fire prevention calking can be conventional
Fire prevention calking.
Above-mentioned seal 104 can be made up of metal material, can also be made up of other materials.Due to polyvinyl chloride
(Polyvinyl chloride, PVC) has good intensity and machinability compared to metal material, lighter weight
Can, it is preferred, therefore, that above-mentioned seal 104 is made up of flame-proof PVC.
When further, in order to prevent that cable duct from catching fire, the intensity of a fire, which takes the lead in burning out seal 104, to be spread in upper box 101,
Above-mentioned seal 104 can be made up of flame-proof PVC material, to increase the fire resistance of above-mentioned seal 104.
Under normal circumstances, preformed hole 101-3 is circular port, and therefore, above-mentioned seal 104 can pass through screw thread and upper box
101 bottom 101-1 connections, specifically can in preformed hole 101-3 machining internal thread, the threading on seal 104,
So that seal 104 is connected by screw thread with the bottom 101-1 of upper box 101.This connected mode not only convenient disassembly, makes pre-
The 101-3 dredging work of boxing out becomes simple and easy to apply, and good airproof performance, and can play prevents the moisture in cable duct from passing through pre-
The effect that the 101-3 that boxes out enters in upper box 101.
It is, of course, also possible to be by other means attached the bottom 101-1 of above-mentioned seal 104 and upper box 101,
And realize sealing preformed hole 101-3 purpose.
For example, in the embodiment shown in fig. 1, when seal 104 is as the bottom 101-1 of upper box 101, by gold
Category material is when being made, and can be attached the bottom 101-1 of seal 104 and upper box 101 by way of welding, weld seam
The bottom 101-1 of upper box 101 outer surface (not laying plugging material) can be located at.Subsequently terminal box is being transformed
When increasing cable, seal 104 can be separated with the bottom 101-1 of upper box 101 by cutting weld seam.Afterwards, fit
Locality is tapped to seal 104 up or down, you can to reach the mesh for removing seal 104, dredging preformed hole 101-3
's.
For another example, in the embodiment shown in fig. 1, when seal 104 is made up of PVC, it can be incited somebody to action by gluing mode
The bottom 101-1 of seal 104 and upper box 101 is attached., can be with when subsequently carrying out transformation increase cable to terminal box
The glue of the bottom 101-1 for adhesive seals 104 Yu upper box 101 is dissolved using glue, seal 104 and top box is removed
Adhesion between the bottom 101-1 of body.Afterwards, suitably tapped up or down to seal 104, you can to reach
Remove seal 104, dredging preformed hole 101-3 purpose.
It can be appreciated that due to individually having worn seal 104 in preformed hole 101-3, this subsequently to enter terminal box
During row transformation increase cable, the seal 104 in preformed hole 101-3 only need to be removed, without knocking out the upper box 101 that is laid in
Bottom 101-1 upper surface and/or the plugging material of lower surface, therefore, it is to avoid the waste of plugging material.The tool of plugging material
Body laying structure will be described below.
In addition, in Fig. 1, the bottom of lower box 102 is connected with cable duct, the top side wall of lower box 102 is provided with logical
Wind pipeline 105, and ventilation shaft 105 the mouth of pipe down.
106 ground is represented in Fig. 1, cable duct is located at the lower section on ground 106.
On the basis of Fig. 1, please continue to refer to Fig. 2A and Fig. 2 B, the ventilation shaft that Fig. 2A provides for the embodiment of the present application
A kind of structural representation of embodiment, another specific implementation for the ventilation shaft that Fig. 2 B provide for the embodiment of the present application
The structural representation of mode.
As shown in Figure 2 A and 2 B, ventilation shaft 105 includes：Vent body 105-1 and the end for offering ventilation mesh
Head 105-2.
Understand that vent body 105-1 one end is installed in the top side wall of lower box 102, and and nowel in conjunction with Fig. 1
Body 102 is connected；The vent body 105-1 other end is extended to outside lower box 102, with atmosphere.Termination 105-2 and ventilation
On tube body 105-1, one end for extending to outside lower box 102 be detachably connected, it is namely described another with vent body 105-1
One end is detachably connected.
Specifically, termination 105-2 and vent body the 105-1 other end are connected through a screw thread.
Specifically, in the embodiment shown in Fig. 2A, vent body 105-1 and termination 105-2 axis are equal
Obliquely, so that the mouth of pipe of ventilation shaft 105 is oblique down.In the embodiment shown in Fig. 2 B, prolong in vent body 105-1
One end in air and termination 105-2 axis vertical is extended downwards, so that the mouth of pipe of ventilation shaft 105 is fully towards under.
Again as shown in figure 3, offering ventilation mesh 105-3 on the 105-2 of termination.
In actual applications, vent body 105-1 and termination 105-2 can be made up of metal material, can also be by resistance to
The preferable PVC material of corrosive nature is made.
It is understood that due to being additionally arranged the lower box connected with cable duct between cable duct and upper box 101
102, and the top side wall of lower box 102 is provided with the ventilation shaft 105 connected with lower box 102, and this causes in cable duct
Moisture can take the lead in draining into air by being arranged on the ventilation shaft 105 of the top side wall of lower box 102, without enter it is upper
In casing 101, so as to prevent from producing condensation in upper box 101 well.
Further, since ventilation shaft 105 is arranged on the top of the side wall of lower box 102, and the mouth of pipe is down, therefore, may be used also
To prevent rainwater and excess surface water from entering cable duct via ventilation shaft 105, it is to avoid secondary moist situation occurs in cable duct.
Further, because termination 105-2 and vent body the 105-1 other end are detachably connected, this causes ventilation shaft
105 maintainable enhancing.Because, during the use of ventilation shaft 105, growth over time, on the 105-2 of termination
Ventilation mesh 105-3 can be blocked by things such as dust, such as changed or cleared up not in time, can influence ventilation effect.And as termination 105-2
When being detachably connected with vent body 105-1, terminal box operation maintenance personnel can easily, periodically or non-periodically by termination
105-2 is disassembled, and tamper is cleared up, or changes ventilation effect preferably new termination, it is ensured that ventilation shaft 105
Ventilation effect.
Also, termination 105-2 is detachably connected mode with this of vent body 105-1, can also transport terminal box
Dimension personnel are according to the difference of territorial environment, by flexibly selecting different size of ventilation mesh 105-3 termination 105-2, without
It is by changing or redesigning terminal box, realize the ventilation effect being adapted with external environment, reduce production, safeguard into
This.
For example, in larger, the dry northern area of dust storm, can select to install the less terminations of ventilation mesh 105-3
105-2, on the one hand to prevent larger-size foreign matter from entering cable duct, on the other hand to ensure good ventilation effect；And
Dust storm is smaller, moistening southern area, can be from termination 105-2 larger ventilation mesh 105-3, to strengthen ventilation effect.
Just at last in areal, different size of ventilation mesh can also be changed in time according to the change of external environment
105-3 termination 105-2, the moment ensures the ventilation effect being adapted with external environment.
Further, the top side wall of lower box 102 can set even number ventilation shaft 105, and this even number is logical
Wind pipeline 105 is divided equally, just to the top for being arranged on two relative side walls on lower box 102, to strengthen the convection current of air, so that
Strengthen the ventilation drying effect of lower box 102 so that the moisture in cable duct can be excluded to greatest extent.
Specifically, in the embodiment shown in fig. 1, can divide equally at the top of left and right two side walls of lower box 102,
Ventilation shaft 105 just to setting respective numbers.Can also divide equally at the top of former and later two side walls of lower box 102, it is just right
The ventilation shaft 105 of respective numbers is set.It is, of course, also possible to simultaneously equal at the top of left and right two side walls of lower box 102
Point, just to set respective numbers ventilation shaft 105, and the top of former and later two side walls in lower box 102 divide equally, it is just right
The ventilation shaft 105 of respective numbers is set.This is all reasonable.
Further, above-mentioned ventilation shaft 105 is divided equally to set and nor is it necessary that, in actual applications, can inequality set up separately
Put, such as 2 ventilation shafts 105 are set at the top of the left side wall of lower box 102, and set at the top of the right side wall of lower box 102
3 ventilation shafts 105 are put, as long as the convection current of air can be strengthened.
Referring to Fig. 4, the structural representation of another embodiment of the terminal box that Fig. 4 provides for the embodiment of the present application
Figure.
As shown in figure 4, a kind of terminal box, including：Upper box 101 and lower box 102.
The bottom 101-1 of casing 101 offers multiple through hole 101-2 in fig. 4, the upper, and this multiple through hole 101-2 includes
The seal 104 of the preformed hole can be sealed by being equipped with least one preformed hole 101-3, each preformed hole 101-3.
The upper surface of above-mentioned seal 104 is higher than the upper surface of the first plugging structure 107.Wherein, the first plugging structure
107, it is the bottom 101- for the upper box 101 that is laid in after wearing cable 108 in the through hole 101-2 in addition to preformed hole 101-3
The structure of the plugging material formation of 1 inner surface.
A kind of terminal box shown in Fig. 4, due to individually having worn seal 104 in preformed hole 101-3, this causes subsequently
When transformation increase cable is carried out to terminal box, the seal 104 in preformed hole 101-3 only need to be removed, is laid in without knocking out
First plugging structure 107 of the bottom 101-1 inner surfaces of upper box 101, therefore, it is to avoid the waste of plugging material.
In Fig. 4, the bottom of lower box 102 is connected with cable duct, and the top side wall of lower box 102 is provided with ventilation shaft
105, and ventilation shaft 105 the mouth of pipe down.
Wherein, ventilation shaft 105 can specifically include：Vent body 105-1 and the termination for offering ventilation mesh
105-2。
Also, vent body 105-1 one end is installed in the top side wall of lower box 102, and connects with lower box 102
It is logical；The vent body 105-1 other end is extended to outside lower box 102, with atmosphere.Termination 105-2 and vent body
One end that 105-1 is upper, extend to outside lower box 102 is detachably connected, namely is detachably connected with the other end.
A kind of terminal box shown in Fig. 4, due to being additionally arranged and connected with cable duct between cable duct and upper box 101 under
Casing 102, and the top side wall of lower box 102 is provided with the ventilation shaft 105 connected with lower box 102, and this causes cable
Moisture in ditch can take the lead in draining into air by being arranged on the ventilation shaft 105 of the top side wall of lower box 102, without entering
Enter in upper box 101, so as to prevent from producing condensation in upper box 101 well.
Referring to Fig. 5, the structural representation of another embodiment of the terminal box that Fig. 5 provides for the embodiment of the present application
Figure.
As shown in figure 5, a kind of terminal box, including：Upper box 101 and lower box 102.
In Figure 5, the bottom 101-1 of upper box 101 offers multiple through hole 101-2, and this multiple through hole 101-2 includes
The seal 104 of the preformed hole can be sealed by being equipped with least one preformed hole 101-3, each preformed hole 101-3.
The lower surface of above-mentioned seal 104 is less than the lower surface of the second plugging structure 109.Wherein, the second plugging structure
109, it is the bottom 101- for the upper box 101 that is laid in after wearing cable 108 in the through hole 101-2 in addition to preformed hole 101-3
The structure of the plugging material formation of 1 outer surface.
Terminal box shown in Fig. 5, due to individually having worn seal 104 in preformed hole 101-3, this causes follow-up opposite end
When sub- case carries out transformation increase cable, the seal 104 in preformed hole 101-3 only need to be removed, without knocking out the top box that is laid in
Second plugging structure 109 of the bottom 101-1 outer surfaces of body 101, therefore, it is to avoid the waste of plugging material.
In Figure 5, the bottom of lower box 102 is connected with cable duct, and the top side wall of lower box 102 is provided with ventilation shaft
105, and ventilation shaft 105 the mouth of pipe down.
Wherein, ventilation shaft 105 can specifically include：Vent body 105-1 and the termination for offering ventilation mesh
105-2。
Also, vent body 105-1 one end is installed in the top side wall of lower box 102, and connects with lower box 102
It is logical；The vent body 105-1 other end is extended to outside lower box 102, with atmosphere.Termination 105-2 and vent body
One end that 105-1 is upper, extend to outside lower box 102 is detachably connected, namely is detachably connected with the other end.
A kind of terminal box shown in Fig. 5, due to being additionally arranged and connected with cable duct between cable duct and upper box 101 under
Casing 102, and the top side wall of lower box 102 is provided with the ventilation shaft 105 connected with lower box 102, and this causes cable
Moisture in ditch can take the lead in draining into air by being arranged on the ventilation shaft 105 of the top side wall of lower box 102, without entering
Enter in upper box 101, so as to prevent from producing condensation in upper box 101 well.
Referring to Fig. 6, the structural representation of another embodiment of the terminal box that Fig. 6 provides for the embodiment of the present application
Figure.
As shown in fig. 6, a kind of terminal box, including：Upper box 101 and lower box 102.
In figure 6, the bottom 101-1 of upper box 101 offers multiple through hole 101-2, and this multiple through hole 101-2 includes
The seal 104 of the preformed hole can be sealed by being equipped with least one preformed hole 101-3, each preformed hole 101-3.
The upper surface of above-mentioned seal 104 is higher than the upper surface of first plugging structure 107, and above-mentioned seal 104
Lower surface is less than the lower surface of the second plugging structure 109.Wherein, the first plugging structure 107, is in addition to preformed hole 101-3
Through hole 101-2 in wear after cable 108, the knot of the plugging materials of the bottom 101-1 inner surfaces for the upper box 101 that is laid in formation
Structure；Second plugging structure 109, is that be laid in top box after wearing cable 108 in the through hole 101-2 in addition to preformed hole 101-3
The structure of the plugging material formation of the bottom 101-1 outer surfaces of body 101.
Terminal box shown in Fig. 6, due to individually having worn seal 104 in preformed hole 101-3, this causes follow-up opposite end
When sub- case carries out transformation increase cable, the seal 104 in preformed hole 101-3 only need to be removed, without knocking out the top box that is laid in
First plugging structure 107 of the bottom 101-1 inner surfaces of body 101, it is not required that knock out the bottom 101- for the upper box 101 that is laid in
Second plugging structure 109 of 1 outer surface, therefore, it is to avoid the waste of plugging material.
In figure 6, the bottom of lower box 102 is connected with cable duct, and the top side wall of lower box 102 is provided with ventilation shaft
105, and ventilation shaft 105 the mouth of pipe down.
Wherein, ventilation shaft 105 can specifically include：Vent body 105-1 and the termination for offering ventilation mesh
105-2。
Also, vent body 105-1 one end is installed in the top side wall of lower box 102, and connects with lower box 102
It is logical；The vent body 105-1 other end is extended to outside lower box 102, with atmosphere.Termination 105-2 and vent body
One end that 105-1 is upper, extend to outside lower box 102 is detachably connected, namely is detachably connected with the other end.
A kind of terminal box shown in Fig. 6, due to being additionally arranged and connected with cable duct between cable duct and upper box 101 under
Casing 102, and the top side wall of lower box 102 is provided with the ventilation shaft 105 connected with lower box 102, and this causes cable
Moisture in ditch can take the lead in draining into air by being arranged on the ventilation shaft 105 of the top side wall of lower box 102, without entering
Enter in upper box 101, so as to prevent from producing condensation in upper box 101 well.
In addition, a kind of terminal box provided in embodiment shown in Fig. 1, Fig. 4, Fig. 5 and Fig. 6, can also include：Ceiling
103。
Above-mentioned ceiling 103 is arranged on the surface of upper box 101, the height of above-mentioned ceiling 103 from centre to edge gradually
Reduction, to prevent rainwater from accumulating.
Also, the area coverage of above-mentioned ceiling 103 is more than the area at the top of upper box 101, plays as the He of upper box 101
The effect of the rain cover of lower box 102, to prevent the corrosion because of the immersion of rainwater of upper box 101 and lower box 102.
Specifically as shown in Fig. 1, Fig. 4, Fig. 5 and Fig. 6, above-mentioned ceiling 103 it is domed.
It should be noted that in Fig. 1, Fig. 4, Fig. 5 and Fig. 6, reference 106 represents ground, underground can be
Cable duct.
It should also be noted that, the emphasis of each above-mentioned embodiment is illustrating respective difference, related part can be with
Cross-reference.
Embodiments of the invention are the foregoing is only, are not intended to limit the invention.For those skilled in the art
For, the present invention can have various modifications and variations.It is all any modifications made within spirit and principles of the present invention, equivalent
Replace, improve etc., it should be included within scope of the presently claimed invention.
It should be noted that unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to this hair
The implication that bright those skilled in the art are generally understood that is identical.Term used in the description of the invention herein
It is intended merely to describe the purpose of specific embodiment, it is not intended that in the limitation present invention.Term as used herein "and/or" bag
Include the arbitrary and all combination of one or more related Listed Items.Term as used herein " vertically ", " level
", " first ", " second " and similar statement for illustrative purposes only, it is unique embodiment to be not offered as.
Claims (10)
1. a kind of terminal box, it is characterised in that including：Upper box and lower box；
The bottom of the upper box offers multiple through holes, wherein, the multiple through hole includes at least one preformed hole, described
The seal of the preformed hole can be sealed by being equipped with preformed hole；
The upper surface of the seal is higher than the upper surface of the first plugging structure；And/or, the lower surface of the seal is less than the
The lower surface of two plugging structures；Wherein, first plugging structure, is to wear cable in the through hole in addition to the preformed hole
Afterwards, be laid in the upper box bottom interior surface plugging material formation structure；Second plugging structure, is except institute
State and worn in the through hole outside preformed hole after cable, the knot of the plugging material formation of the bottom outer surface for the upper box that is laid in
Structure；
The bottom of the lower box is connected with cable duct, and the top side wall of the lower box is provided with ventilation shaft；The ventilation
The mouth of pipe of pipeline is down.
2. terminal box according to claim 1, it is characterised in that the seal is the sealing of at least one port closed
Pipe fitting.
3. terminal box according to claim 2, it is characterised in that the upper port closing of the sealed pipe fittings, and it is described
Fire prevention calking is filled with sealed pipe fittings.
4. terminal box according to claim 1, it is characterised in that the seal is made up of flame-proof polyvinyl chloride PVC.
5. terminal box according to claim 1, it is characterised in that when the preformed hole is circular port, the seal
It is connected through a screw thread with the bottom of the upper box.
6. terminal box according to claim 1, it is characterised in that the ventilation shaft includes：Vent body and open up
There is the termination of ventilation mesh；
One end of the vent body is installed in the top side wall of the lower box, and is connected with the lower box；It is described logical
It is external that the other end of airduct body extends to the nowel；
The termination and the other end of the vent body are detachably connected.
7. terminal box according to claim 6, it is characterised in that the termination is described another with the vent body
End is connected through a screw thread.
8. terminal box according to claim 6, it is characterised in that the vent body and the termination are by PVC systems
Into.
9. terminal box according to claim 1, it is characterised in that the top side wall of the lower box is provided with even number altogether
The ventilation shaft, the even number ventilation shaft is divided equally, the top just to being arranged on two relative side walls on the lower box
Portion.
10. terminal box according to claim 1, it is characterised in that the terminal box also includes ceiling, the ceiling is set
In the surface of the upper box；
The height of the ceiling is gradually reduced from centre to edge, and top of the area coverage more than upper box of the ceiling
Area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710711559.9A CN107294046A (en) | 2017-08-18 | 2017-08-18 | A kind of terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710711559.9A CN107294046A (en) | 2017-08-18 | 2017-08-18 | A kind of terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107294046A true CN107294046A (en) | 2017-10-24 |
Family
ID=60106308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710711559.9A Pending CN107294046A (en) | 2017-08-18 | 2017-08-18 | A kind of terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107294046A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108306232A (en) * | 2017-12-20 | 2018-07-20 | 国网山东省电力公司聊城供电公司 | A kind of mechanical fasteners formula cable waterproof clutch and its application method |
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| CN205863663U (en) * | 2016-07-21 | 2017-01-04 | 山东富沃德电力设备有限公司 | A kind of plugging plate anti-condensation for cable fire-proof |
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| CN201038680Y (en) * | 2007-01-29 | 2008-03-19 | 江苏东洲通信设备有限公司 | Cable sealing window for wall penetrating |
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| CN108306232A (en) * | 2017-12-20 | 2018-07-20 | 国网山东省电力公司聊城供电公司 | A kind of mechanical fasteners formula cable waterproof clutch and its application method |
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Application publication date: 20171024 |