CN108847635A - A kind of communications cable terminal box - Google Patents
A kind of communications cable terminal box Download PDFInfo
- Publication number
- CN108847635A CN108847635A CN201810712818.4A CN201810712818A CN108847635A CN 108847635 A CN108847635 A CN 108847635A CN 201810712818 A CN201810712818 A CN 201810712818A CN 108847635 A CN108847635 A CN 108847635A
- Authority
- CN
- China
- Prior art keywords
- terminal box
- cable
- hole
- insulating
- circular hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
-
- 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
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/081—Bases, casings or covers
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cable Accessories (AREA)
Abstract
The invention discloses a kind of communications cable terminal boxes, including the upper casing and lower casing connected by connector, opposite at least one upper half circular hole and at least one lower half circular hole are respectively equipped on the longitudinal side wall of the upper casing and lower casing, the upper half circular hole and lower half circular hole form round cable and connect hole；At least one cable transition joint is provided in the terminal box, the transition joint both ends are respectively engaged with the cable and connect in hole；The transition joint includes the connecting pin that both threads cable combines, copper litz wire set is enclosed with outside the connecting pin, the copper litz wire set is external to be enclosed with insulating sleeve, metal net cover is enclosed with outside the insulating sleeve, the insulating sleeve both ends are successively connected with spirality metal reed and rubber ring, and the outside of the metal net cover, the spirality metal reed and the rubber ring is socketed with insulating gum cover.The signal stabilization of wire or cable terminal box center tap part of the invention can avoid the interference between signal.
Description
Technical field
The present invention relates to fields of communication technology, and in particular to a kind of communications cable terminal box.
Background technique
Wire or cable terminal box is the most common and widely used attachment device in building, the communications field, can play guarantor
Protect the effect of joint component.In existing finished product terminal box other than general functional requirement, inhomogeneity is also gradually had developed
The Novel cable terminal box of type, for example, having waterproof splashproof terminal box, thermocouple terminal box, anti-explosion terminal box, solar junction box
Etc. a variety of patterns wire or cable terminal box, meet the demand under different working conditions to different function terminal box.However, general
Cable sleeve use common connection type, therefore, signal shielding is ineffective, influences normal communication.
Therefore, it is necessary to improve to wire or cable terminal box in the prior art, enhance its signal shielding performance, simultaneously also
It can guarantee the satisfactory electrical conductivity and stability of joint.
Summary of the invention
The present invention in view of the deficiencies in the prior art, proposes a kind of novel cable with signal shielding function
Terminal box uses copper litz wire set and metal net cover cooperation in transition joint, ensure that wire or cable terminal box center tap part
Good contact and signal shielding, avoid the interference between signal.
In order to solve defect existing in the prior art, the technical scheme adopted by the invention is that：A kind of communications cable connects
Wire box is respectively equipped with opposite including the upper casing and lower casing connected by connector on the longitudinal side wall of the upper casing and lower casing
At least one upper half circular hole and at least one lower half circular hole, the upper half circular hole and lower half circular hole form round cable and connect hole；Institute
It states and is provided at least one cable transition joint in terminal box, the transition joint both ends are respectively engaged with the cable and connect hole
It is interior；The transition joint includes the connecting pin that both threads cable combines, and is enclosed with copper litz wire set, the copper outside the connecting pin
Litzendraht wire set is external to be enclosed with insulating sleeve, is enclosed with metal net cover outside the insulating sleeve, the insulating sleeve both ends according to
It is secondary to be connected with spirality metal reed and rubber ring, the metal net cover, the spirality metal reed and the rubber ring
Outside is socketed with insulating gum cover.The spirality metal reed is for fixed intermediate more soft copper litz wire set and insulation sleeve
The components such as pipe, and the rubber ring is for preventing sliding of the spirality metal reed on cable direction.The metal net cover can
To be selected from copper mesh set.
In a preferred embodiment, the insulating gum cover is thermal shrinkage type insulating gum cover.The thermal shrinkage type insulating cement
It covers and provides insulation protection for internal connector, have many advantages, such as that high-temperature shrinkage, softness are fire-retardant, metal can also be further prevented
Net cover is oxidized in air.
In a preferred embodiment, the outer layer of the copper litz wire set is coated with insulating coating.
In a preferred embodiment, the outside at the insulating gum cover both ends is additionally provided with for being clamped to the line
Cable connects the rubber ring in hole.The rubber ring is located at the insulating gum cover both ends, and effect is mainly used for for transition joint being engaged to institute
The round cable for stating terminal box connects in hole, is further ensured that the stability of transition joint.
In a preferred embodiment, connected between the upper casing and the lower casing using fastening, riveting or bolt
It connects.
In a preferred embodiment, be respectively set on the upper casing and the joint surface of the lower casing it is fluted,
Sealing ring is respectively arranged in the groove.
In a preferred embodiment, be respectively set on the upper casing and the joint surface of the lower casing it is fluted,
Sealing ring is respectively arranged in the groove, the cable, which connects, is provided with rubber spacer in hole.The above rubber components connects to whole
Head and the firm of terminal box play certain effect.
The beneficial effects of the invention are as follows：
1, communications cable terminal box of the invention uses copper litz wire flexible set butt joint part and is wrapped up, copper litz wire
Set has good conductive effect, and at the same time, the metal net cover being arranged outside it has the function of good signal shielding,
Ensure that wire or cable terminal box center tap part on the basis of contact is good, ensure that the stabilization of signal, avoid signal it
Between interference.
2, communications cable terminal box many places of the invention use the fastening means reinforced, and ensure that the stabilization of transition joint
Property, avoid connector from generating the phenomenon that loosening.
3, communications cable junction box structure of the invention is simple, and manufacturing cost is low, is suitble to industrialized production and answers on a large scale
With.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of transition joint in the preferred embodiment of the present invention；
Fig. 2 is the surface structure schematic diagram of the preferred embodiment of the present invention；
Fig. 3 is the structural schematic diagram inside the preferred embodiment of the present invention；
Wherein, 1- communications cable terminal box, 11- upper casing, 12- lower casing, 13- cable connect hole, 16- sealing ring, 2- cable, among 3-
Connector, 31- copper litz wire set, 311- rubber ring, 312- spirality metal reed, 32- insulating sleeve, 33- insulating gum cover, 34-
Metal net cover.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
It as shown in Figure 1-Figure 3, is a preferred embodiment of the present invention, a kind of communications cable terminal box 1, including pass through company
Opposite upper half circular hole is respectively equipped on the longitudinal side wall of the upper casing 11 and lower casing 12 of fitting connection, upper casing 11 and lower casing 12 under
The round cable that semicircle orifice, upper half circular hole and lower half circular hole are formed connects hole 13, is provided among at least one cable in terminal box 1
Connector 3,3 both ends of transition joint are respectively engaged with the cable and connect in hole 13, and the transition joint 3 includes both threads cable knot
Close the connecting pin formed（It is not shown）, copper litz wire set 31 is enclosed with outside the connecting pin；Outside the copper litz wire set 31
It is enclosed with insulating sleeve 32, metal net cover 34 is enclosed with outside the insulating sleeve 32,32 both ends of insulating sleeve are successively blocked
It is connected to spirality metal reed 312 and rubber ring 311, the metal net cover 34, spirality metal reed 312 and rubber ring 311
Outside be socketed with insulating gum cover 33.
Further, insulating gum cover 33 is thermal shrinkage type insulating gum cover.
Further, the outer layer of copper litz wire set 31 is coated with insulating coating, forms double insulation with insulating sleeve 32 and makees
With.
Further, the outside at 33 both ends of insulating gum cover is additionally provided with for being clamped to the cable rubber for connecing hole 13
Cushion rubber.The rubber ring is located at the both ends of insulating gum cover 33, but is located in the terminal box 1, and snap into the cable and connect hole 13
It is interior, it is further ensured that the stability of transition joint 3.
Further, it is connected by the way of fastening between the upper casing 11 and the lower casing 12.Also, the upper casing 11
It is fluted with being respectively set on the joint surface of the lower casing 12, sealing ring 16 is respectively arranged in the groove.The cable
It connects in hole 13 and is provided with rubber spacer.
As shown in figure 3, be the structural schematic diagram of transition joint 3 in the preferred embodiment of the present invention, specially insulating gum cover 33
Structural schematic diagram before not heating.
Wire or cable terminal box of the invention has preferable signal shielding effect after fixed, ensure that wire or cable terminal box
The signal stabilization of center tap part avoids the interference between signal, and joint stable connection, signal are good, it is not easy to become
Shape causes joint to loosen；Structure is simple, industrially applicable and vast market prospect.
Above embodiments are only the one such embodiment of the present invention, and the description thereof is more specific and detailed, but can not
Therefore limitations on the scope of the patent of the present invention are interpreted as.It should be pointed out that for those of ordinary skill in the art,
Without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (7)
1. a kind of communications cable terminal box, it is characterised in that：Including the upper casing and lower casing connected by connector, the upper casing and
Opposite at least one upper half circular hole and at least one lower half circular hole, the upper half circular hole are respectively equipped on the longitudinal side wall of lower casing
Round cable, which is formed, with lower half circular hole connects hole；Be provided at least one cable transition joint in the terminal box, it is described in indirectly
Head both ends are respectively engaged with the cable and connect in hole；The transition joint includes the connecting pin that both threads cable combines, the connection
End is external to be enclosed with copper litz wire set, and the copper litz wire set is external to be enclosed with insulating sleeve, package outside the insulating sleeve
There is a metal net cover, the insulating sleeve both ends are successively connected with spirality metal reed and rubber ring, the metal net cover, described
The outside of spirality metal reed and the rubber ring is socketed with insulating gum cover.
2. communications cable terminal box according to claim 1, it is characterised in that：The insulating gum cover is thermal shrinkage type insulating cement
Set.
3. communications cable terminal box according to claim 1, it is characterised in that：The outer layer of the copper litz wire set is coated with
Insulating coating.
4. communications cable terminal box according to claim 1, it is characterised in that：The outside at the insulating gum cover both ends is also set
It is equipped with for being clamped to the cable rubber ring for connecing hole.
5. communications cable terminal box according to claim 1, it is characterised in that：It is used between the upper casing and the lower casing
It fastens, rivet or is bolted.
6. communications cable terminal box according to claim 1, it is characterised in that：The joint surface of the upper casing and the lower casing
On be respectively set fluted, be respectively arranged with sealing ring in the groove.
7. communications cable terminal box according to claim 1, it is characterised in that：The cable, which connects, is provided with rubber pad in hole
Layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810712818.4A CN108847635A (en) | 2018-06-29 | 2018-06-29 | A kind of communications cable terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810712818.4A CN108847635A (en) | 2018-06-29 | 2018-06-29 | A kind of communications cable terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108847635A true CN108847635A (en) | 2018-11-20 |
Family
ID=64200208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810712818.4A Pending CN108847635A (en) | 2018-06-29 | 2018-06-29 | A kind of communications cable terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108847635A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201061117Y (en) * | 2007-06-21 | 2008-05-14 | 武汉华瑞电力科技股份有限公司 | 110kV-220kV crosslinked cable middle joint |
| CN102074284A (en) * | 2010-12-29 | 2011-05-25 | 金坛市金鹿电缆材料有限公司 | Dual-shielding flame-retardant nuclear power data cable |
| CN204578022U (en) * | 2015-04-15 | 2015-08-19 | 浙江铂瑞能源环境工程有限公司 | Thermocouple compensates terminal connections case |
| US20170064850A1 (en) * | 2015-08-31 | 2017-03-02 | Deako, Inc. | Modular Device Control Unit |
| CN206364208U (en) * | 2016-10-28 | 2017-07-28 | 湘潭电机股份有限公司 | A kind of submerged cable joint |
| CN206422500U (en) * | 2016-12-01 | 2017-08-18 | 沈阳国联电缆附件制造有限公司 | A kind of 35kV high currents inner-cone pluggable cable terminal |
| CN206697905U (en) * | 2017-04-20 | 2017-12-01 | 大唐长春第三热电厂 | A kind of adjustable high-tension bus-bar terminal box |
| CN207368584U (en) * | 2017-08-24 | 2018-05-15 | 长园电力技术有限公司 | Crosslinking polyethylene-insulated cable insulation shields isolating joint |
-
2018
- 2018-06-29 CN CN201810712818.4A patent/CN108847635A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201061117Y (en) * | 2007-06-21 | 2008-05-14 | 武汉华瑞电力科技股份有限公司 | 110kV-220kV crosslinked cable middle joint |
| CN102074284A (en) * | 2010-12-29 | 2011-05-25 | 金坛市金鹿电缆材料有限公司 | Dual-shielding flame-retardant nuclear power data cable |
| CN204578022U (en) * | 2015-04-15 | 2015-08-19 | 浙江铂瑞能源环境工程有限公司 | Thermocouple compensates terminal connections case |
| US20170064850A1 (en) * | 2015-08-31 | 2017-03-02 | Deako, Inc. | Modular Device Control Unit |
| CN206364208U (en) * | 2016-10-28 | 2017-07-28 | 湘潭电机股份有限公司 | A kind of submerged cable joint |
| CN206422500U (en) * | 2016-12-01 | 2017-08-18 | 沈阳国联电缆附件制造有限公司 | A kind of 35kV high currents inner-cone pluggable cable terminal |
| CN206697905U (en) * | 2017-04-20 | 2017-12-01 | 大唐长春第三热电厂 | A kind of adjustable high-tension bus-bar terminal box |
| CN207368584U (en) * | 2017-08-24 | 2018-05-15 | 长园电力技术有限公司 | Crosslinking polyethylene-insulated cable insulation shields isolating joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181120 |