CN209708675U - A kind of i.e. disconnected type cable of safety - Google Patents
A kind of i.e. disconnected type cable of safety Download PDFInfo
- Publication number
- CN209708675U CN209708675U CN201920389992.XU CN201920389992U CN209708675U CN 209708675 U CN209708675 U CN 209708675U CN 201920389992 U CN201920389992 U CN 201920389992U CN 209708675 U CN209708675 U CN 209708675U
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- Prior art keywords
- retaining ring
- filler
- type cable
- cable
- annulus retaining
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- 239000000945 filler Substances 0.000 claims abstract description 27
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052802 copper Inorganic materials 0.000 claims abstract description 17
- 239000010949 copper Substances 0.000 claims abstract description 17
- 239000010410 layer Substances 0.000 claims description 37
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000012790 adhesive layer Substances 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical group [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 206010037660 Pyrexia Diseases 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model patent belongs to the technical field of power cable; specifically disclose a kind of i.e. disconnected type cable of safety; including wire stylet, insulating layer, protection jacket layer and emergency set; the emergency set is fixed on the joint between wire stylet; the emergency set includes a pair of annulus retaining ring and adjustable spring being sleeved on protection jacket layer; the pair of annulus retaining ring is located at the two sides of connector, and the both ends of the adjustable spring are contradicted with annulus retaining ring respectively, and institute's adjustable spring is in compressive state；The connector includes copper sheathing and wire stylet is respectively interposed in copper sheathing both ends, and the filler that resistance is small, electric conductivity is strong is provided in the copper sheathing, and the fusing point of the filler is slightly less than or equal to the insulating layer or the burning point of protection jacket layer.The utility model is utilized when joint catches fire, and the filler can also melt, and the wire stylet of junction avoids the generation of fire due to losing the bonding strength of filler and the power of pullling of insulating layer and protection jacket layer, the circuit of realization cutting cable.
Description
Technical field
The utility model patent is related to the technical field of power cable, the i.e. disconnected type cable of especially a kind of safety.
Background technique
With China's expanding economy, various architectural engineerings are developed with unprecedented scale and speed, to electrical equipment
Requirement it is also higher and higher.In recent years, since fire caused by electrical gradually increases, and wherein drawn due to wire and cable
The fire of hair occupies sizable ratio.
In construction projects, be mostly cable exposure is aerial, the reason of causing ignition of cable have it is very much, such as
Line short and circuit overload etc. are also all that electric current in cable is caused to increase, short time inside conductor core can all be caused largely to generate heat
Reach cable insulation and protect the burning point of jacket layer, to cause ignition of cable, and near also being ignited by ignition of cable
Combustible object causes fire；In addition, because the price of cable be it is very high, when whole cable be burned out will also result in it is a large amount of
Economic loss.
Based on this, how to avoid ignition of cable initiation fire and whole cable from being burned out is that those skilled in the art need at present
Technical problems to be solved.
Utility model content
For the problems of the prior art, the purpose of this utility model is to provide for a kind of i.e. disconnected type cable of safety.
In order to achieve the above object, the technical solution of the present invention is:
A kind of i.e. disconnected type cable of safety, including wire stylet, insulating layer and protection jacket layer, further include emergency set, described to answer
Anxious device is fixed on the joint between wire stylet, and the emergency set includes a pair of annulus retaining ring being sleeved on protection jacket layer
And adjustable spring, the pair of annulus retaining ring are located at the two sides of connector, the both ends of the adjustable spring are supported with annulus retaining ring respectively
Touching, and institute's adjustable spring is in compressive state；
The connector includes copper sheathing and wire stylet is respectively interposed in copper sheathing both ends, and it is small, conductive that resistance is provided in the copper sheathing
Property strong filler, the fusing point of the filler is slightly less than or equal to the insulating layer or protects the burning point of jacket layer.
Further, the filler is tin.
Further, the annulus retaining ring is the non-closed circular ring structure for being provided with opening.
Further, the annulus retaining ring is provided with the regulating mechanism for adjusting openings of sizes.
Further, regulating mechanism includes the attachment strap and bolt at a pair of both ends for being separately positioned on opening annulus retaining ring, and
The through-hole interted for bolt is provided on the attachment strap.
Further, the annulus retaining ring includes the first snap ring and the second snap ring, and one end of first snap ring is blocked with second
One end of ring is hinged.
Further, adhesive-layer is provided between the annulus retaining ring and protection jacket layer.
Further, the surface of the adjustable spring is provided with zinc coat.
Compared with prior art, a kind of i.e. disconnected type construction of cable of safety provided by the utility model is unusual, operation side
Just, it and has the advantages that
1), the connector of wire stylet in cable is set as connecting wire stylet by copper pipe, and is provided with resistance by interior
Filler small, electric conductivity is strong, by the bonding strength between filler secure wires core, and because of the electricity of wire stylet joint
Resistance is greater than the resistance of wire stylet, so typically joint fever is most fast when electric current increases suddenly in circuit, catches fire at first
Be joint, joint catch fire when because the fusing point of the filler be slightly less than or be equal to the insulating layer or protective case
The burning point of layer, the filler also can first melt, and the bonding strength between the wire stylet substantially reduces, the wire stylet of junction
Since the bonding strength and insulating layer and protection jacket layer that lose filler pull power, thus can be in the recovery deformation of adjustable spring
Elastic force effect under separate wire stylet, realize cutting cable circuit, avoid the generation of fire；
2) it, is broken under the action of the emergency set by cable, avoids the generation of fire, to also avoid electricity
Cable is burnt, subsequent to solve the problems, such as after causing cable, it is only necessary to pick up to make again by blow two economize on electricity cables again
With reducing urgent loss.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Attached drawing 1 is the structural schematic diagram that a kind of safety is disconnected type cable.
Attached drawing 2 is the structural schematic diagram that a kind of safety of embodiment 1 is annulus retaining ring in disconnected type cable.
Attached drawing 3 is the structural schematic diagram that a kind of safety of embodiment 2 is annulus retaining ring in disconnected type cable.
In figure: 1. wire stylets, 2. insulating layers, 3. protection jacket layers, 4. annulus retaining rings, 5. adjustable springs, 6. copper sheathings, 7. fillings
Object, 8. first snap rings, 9. attachment straps, 10. second snap rings.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, the i.e. disconnected type cable of a kind of safety as one preferred embodiment of the utility model, including from inside to outside
It is followed successively by wire stylet 1, insulating layer 2 and protection jacket layer 3, further includes emergency set, the emergency set is fixed between wire stylet 1
Joint, the connector is the tie point of wire stylet 1, i.e., the end junction of two wire stylets 1, the long cable of general length
Wire stylet 1 be mostly with connection, the emergency set includes a pair of annulus retaining ring 4 being sleeved on protection jacket layer 3 and flexible
Spring 5, the pair of annulus retaining ring 4 are located at the two sides of connector, and are to be fastenedly connected with outermost protection jacket layer 3, described to stretch
The both ends of contracting spring 5 are contradicted with annulus retaining ring 4 respectively, and the distance between the pair of annulus retaining ring 4 is less than adjustable spring 5
Original length, i.e. institute's adjustable spring 5 are in compressive state；
The connector includes copper sheathing 6 and wire stylet 1 is respectively interposed in 6 both ends of copper sheathing, and the wire stylet 1 is connected by steel bushing,
It is provided with the filler 7 that resistance is small, electric conductivity is strong in the copper sheathing 6 simultaneously, connecting wire core 1 after being solidified by filler 7, with
Increase the bonding strength of 6 inside conductor core 1 of copper sheathing, the fusing point of the filler 7 is slightly less than or is equal to the insulating layer 2 or protective case
The burning point of layer 3；
Because the resistance of 1 joint of wire stylet is greater than the resistance of wire stylet 1, when electric current increases suddenly in circuit,
Typically joint fever is most fast, and what is caught fire at first is joint, when joint catches fire, because the filler 7 is molten
Point is slightly less than or also can first melt equal to the insulating layer 2 or the burning point of protection jacket layer 3, the filler 7, the wire stylet 1
Between bonding strength substantially reduce, the wire stylet 1 of junction is due to losing the bonding strength of filler 7 and insulating layer 2 and protecting
Restrictive coating 3 pulls power, to wire stylet 1 can be made to separate under the effect of the elastic force of the recovery deformation of adjustable spring 5, realizes cutting
The circuit of cable avoids the generation of fire.
In the present embodiment, the filler 7 is tin, and tin generally does fuse use, and fusing point is low, at low cost, plays safety
The effect of protection, and tin is melted convenient for that in addition can also be melted by tin and blow protection jacket layer 3 in advance, more in injection copper sheathing 6
Add insurance.
Such as Fig. 2, in embodiment 1, the annulus retaining ring 4 is the non-closed circular ring structure for being provided with opening, the cable
It is interspersed in the inner hole of annulus retaining ring 4, the elasticity of annulus retaining ring 4 and cable is adjusted by setting opening, in addition may be used
In order to the mounting circular ring retaining ring 4 on cable, it is not necessary to penetrate annulus retaining ring 4 from one end of cable, it is only necessary to move opening, make electricity
Cable enters from opening, more convenient.
The annulus retaining ring 4 is provided with the regulating mechanism for adjusting openings of sizes, and it is big to adjust opening by the regulating mechanism
The small inner hole size to adjust annulus retaining ring 4 is realized that adjusting annulus retaining ring 4 and the connection of cable protection jacket layer 3 are elastic, is reached
The mesh being fastenedly connected.
In above-described embodiment, regulating mechanism includes 9 He of attachment strap at a pair of both ends for being separately positioned on opening annulus retaining ring 4
Bolt, and the through-hole interted for bolt is provided on the attachment strap 9, the through-hole on two attachment straps 9 is interted by one end of bolt,
And the end is combined with nut, and the size for adjusting opening is realized by position of the adjusting nut on bolt, to adjust annulus gear
Circle 4 is elastic with the connection of cable protective sleeve, and structure is simple.
Such as Fig. 3, in example 2, the annulus retaining ring 4 includes the first snap ring 8 and the second snap ring 10, first snap ring
8 one end and one end of the second snap ring 10 are hinged, by making the first snap ring 8 and the second snap ring 10 that can hingedly be directly installed on electricity
On the protection jacket layer 3 of cable, without firmly breaking opening or firmly plug cable, more convenient, first snap ring 8 and the second snap ring into two with one's hands
10 other end is equally connected by regulating mechanism, by regulating mechanism adjust the first snap ring 8 and 10 other end of the second snap ring it
Between distance, i.e., annulus retaining ring 4 be open size.
In the above-described embodiments, the annulus retaining ring 4 and protection jacket layer 3 between be provided with adhesive-layer, by adhesive-layer into
One step reinforces between annulus retaining ring 4 and protection jacket layer 3 and is fastenedly connected intensity, avoids the annulus retaining ring 4 from sliding on cable, makes
It fails at emergency set.
Preferably, the surface of the adjustable spring 5 is provided with zinc coat, avoids in routine use, the adjustable spring 5
It is corroded, influences the service life of adjustable spring 5.
Using the above scheme, a kind of i.e. disconnected type cable of safety provided by the utility model is when in use, more convenient,
The connector of wire stylet 1 in cable is set as connecting wire stylet 1 by copper pipe, and is provided with that resistance is small, electric conductivity by interior
Strong filler 7, by the bonding strength between 7 secure wires core 1 of filler, and because the resistance of 1 joint of wire stylet is big
In the resistance of wire stylet 1, so typically joint fever is most fast when electric current increases suddenly in circuit, catch fire at first
It is joint, when joint catches fire, because the fusing point of the filler 7 is slightly less than or is equal to the insulating layer 2 or protective case
The burning point of layer 3, the filler 7 also can first melt, and the bonding strength between the wire stylet 1 substantially reduces, and junction is led
Core 1 is since the bonding strength and insulating layer 2 and protection jacket layer 3 that lose filler 7 pull power, thus can be in adjustable spring 5
Recovery deformation elastic force effect under make wire stylet 1 separate, realize cutting cable circuit, avoid the generation of fire；In addition,
It is broken under the action of the emergency set by cable, avoids the generation of fire, so that burning for cable is also avoided, after
It is continuous to solve the problems, such as after causing cable, it is only necessary to pick up to reuse by blow two economize on electricity cables again, reduce tight
Anxious loss.
The foregoing description of the disclosed embodiments makes those skilled in the art can be realized or use the utility model.
Various modifications to these embodiments will be apparent for a person skilled in the art, general original as defined herein
Reason can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, this is practical new
Type is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase
Consistent widest scope.
Claims (8)
1. a kind of i.e. disconnected type cable of safety, including wire stylet (1), insulating layer (2) and protection jacket layer (3), which is characterized in that also wrap
Emergency set is included, the emergency set is fixed on the joint between wire stylet (1), and the emergency set is sleeved on including a pair
The annulus retaining ring (4) and adjustable spring (5) on jacket layer (3) are protected, the pair of annulus retaining ring (4) is located at the two sides of connector, institute
The both ends for stating adjustable spring (5) are contradicted with annulus retaining ring (4) respectively, and the adjustable spring (5) is in compressive state；
The connector includes copper sheathing (6), and copper sheathing (6) both ends are respectively interposed wire stylet (1), is provided with electricity in the copper sheathing (6)
Filler (7) small, that electric conductivity is strong is hindered, the fusing point of the filler (7) is slightly less than or is equal to the insulating layer (2) or protective case
The burning point of layer (3).
2. the i.e. disconnected type cable of safety according to claim 1, which is characterized in that the filler (7) is tin.
3. the i.e. disconnected type cable of safety according to claim 1, which is characterized in that the annulus retaining ring (4) is to be provided with out
The non-closed circular ring structure of mouth.
4. the i.e. disconnected type cable of safety according to claim 3, which is characterized in that the annulus retaining ring (4) is provided with adjusting
The regulating mechanism of openings of sizes.
5. the i.e. disconnected type cable of safety according to claim 4, which is characterized in that regulating mechanism is separately positioned on including a pair
The attachment strap (9) and bolt at the both ends of opening annulus retaining ring (4), and the through-hole interted for bolt is provided on the attachment strap (9).
6. the i.e. disconnected type cable of safety according to claim 3, which is characterized in that the annulus retaining ring (4) includes the first card
Ring (8) and the second snap ring (10), one end of first snap ring (8) and one end of the second snap ring (10) are hinged.
7. the i.e. disconnected type cable of safety according to claim 1 or 3, which is characterized in that the annulus retaining ring (4) and protective case
Adhesive-layer is provided between layer (3).
8. the i.e. disconnected type cable of safety according to claim 1, which is characterized in that the surface of the adjustable spring (5) is arranged
There is zinc coat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920389992.XU CN209708675U (en) | 2019-03-26 | 2019-03-26 | A kind of i.e. disconnected type cable of safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920389992.XU CN209708675U (en) | 2019-03-26 | 2019-03-26 | A kind of i.e. disconnected type cable of safety |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209708675U true CN209708675U (en) | 2019-11-29 |
Family
ID=68645526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920389992.XU Active CN209708675U (en) | 2019-03-26 | 2019-03-26 | A kind of i.e. disconnected type cable of safety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209708675U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920596A (en) * | 2019-03-26 | 2019-06-21 | 河南虹峰电缆股份有限公司 | A kind of i.e. disconnected type cable of safety |
| CN111228679A (en) * | 2020-01-14 | 2020-06-05 | 李兆纯 | Automatic isolating device of dark line fire prevention |
-
2019
- 2019-03-26 CN CN201920389992.XU patent/CN209708675U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920596A (en) * | 2019-03-26 | 2019-06-21 | 河南虹峰电缆股份有限公司 | A kind of i.e. disconnected type cable of safety |
| CN111228679A (en) * | 2020-01-14 | 2020-06-05 | 李兆纯 | Automatic isolating device of dark line fire prevention |
| CN111228679B (en) * | 2020-01-14 | 2021-12-07 | 福建鑫汉唐照明科技有限公司宁化分公司 | Automatic isolating device of dark line fire prevention |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 462600, Linying industrial agglomeration area, Luohe County, Henan Province, No. five, No. 1 Patentee after: HENAN HONGFENG CABLE CO.,LTD. Address before: 462600 industrial cluster area of Linying County, Luohe, Henan Province, No. 1, No. five road. Patentee before: HENAN HONGFENG CABLE CO.,LTD. |
|
| CP02 | Change in the address of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.1 Jingwu Road, Linying County, Luohe City, Henan Province Patentee after: Hongfeng Cable Co.,Ltd. Address before: No.1 Jingwu Road, Linying County, Luohe City, Henan Province Patentee before: HENAN HONGFENG CABLE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.1 Jingwu Road, Linying County, Luohe City, Henan Province Patentee after: Hongfeng Cable Co.,Ltd. Address before: No.1 Jingwu Road, Linying County, Luohe City, Henan Province Patentee before: Hongfeng Cable Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |