CN210052547U - High flame-retardant insulated wire and cable - Google Patents
High flame-retardant insulated wire and cable Download PDFInfo
- Publication number
- CN210052547U CN210052547U CN201921338457.8U CN201921338457U CN210052547U CN 210052547 U CN210052547 U CN 210052547U CN 201921338457 U CN201921338457 U CN 201921338457U CN 210052547 U CN210052547 U CN 210052547U
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- cable
- layer
- insulating layer
- insulated wire
- outer protection
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Abstract
The utility model discloses a high flame retardant insulated wire and cable relates to cable technical field, aims at solving because present cable resistance to compression effect is relatively poor, takes place the problem of damage easily, and its technical scheme main points are: including outer insulating layer and a plurality of electric wire, it is a plurality of the electric wire is established in the outer insulating layer, the outside of outer insulating layer is equipped with the inner sheath layer, a plurality of spouts have been seted up along its length direction on the periphery wall on inner sheath layer, the outside on inner sheath layer is connected with a plurality of curved outer protection strips, and is a plurality of an annular is constituteed to the outer protection strip, and is adjacent outer protection strip perisporium contacts each other, small circle cambered surface one side integrated into one piece of outer protection strip has the embedding portion that is used for embedding in the spout. The utility model discloses a high flame retardant insulated wire and cable prevents fires and resistance to compression protection through outer protection strip to the cable.
Description
Technical Field
The utility model relates to the technical field of cables, more specifically say, it relates to a high fire-retardant insulated wire and cable.
Background
The wire and cable is used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion, the wire and cable in a broad sense is also called as cable for short, the cable in a narrow sense is insulated cable, and it can be defined as: an aggregate consisting of; one or more insulated wire cores, and their respective possible coatings, total protective layers and outer jackets, the cable may also have additional conductors without insulation. The fireproof performance of the cable products in the current market needs to be improved.
In order to solve the problems, the cable disclosed in the chinese patent publication No. CN208873525U has the following technical essential points: the low-temperature-resistant low-smoke halogen-free insulating layer comprises a low-smoke halogen-free low-temperature-resistant layer, an isolating frame with a cross-shaped cross section is arranged in the low-smoke halogen-free low-temperature-resistant layer, the isolating frame divides the interior of the low-smoke halogen-free low-temperature-resistant layer into four regions, a battery cell is arranged in each region, a high-temperature-resistant coating is arranged on the outer side of the battery cell, a double-sided synthetic mica layer is arranged on the outer side of the high-temperature-resistant coating, an extruded ethylene propylene rubber insulating layer is arranged on the outer side of the double-sided synthetic mica layer, an extruded semi-; the low smoke and zero halogen low temperature resistant layer inboard clearance sticiss to be filled with magnesium hydrate powder, and the low smoke and zero halogen low temperature resistant layer outside is equipped with low smoke and zero halogen high fire-retardant around the band, and low smoke and zero halogen high fire-retardant is equipped with the copper strips around the band outside and winds the package shielding layer, and the copper strips is equipped with the fibre weaving layer around the package shielding layer outside, and the fibre weaving layer outside is equipped with the flame retardant coating, and the flame retardant coating outside is equipped with the chain armor in individual layer aluminum alloy area, and the chain armor.
The problem that the fire behavior of cable product still remains to be improved has been solved to this scheme, but because present cable resistance to compression effect is relatively poor, takes place to damage easily.
Therefore, the utility model provides a new technical scheme solves above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a high fire-retardant insulated wire and cable who prevents fires and resistance to compression protection is carried out to the cable through outer protection strip.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a high fire-retardant insulated wire and cable, includes outer insulation layer and a plurality of electric wire, and is a plurality of the electric wire is established in the outer insulation layer, the outside of outer insulation layer is equipped with inner sheath layer, a plurality of spouts have been seted up along its length direction on the periphery wall on inner sheath layer, the outside on inner sheath layer is connected with a plurality of curved outer protection strips that are, and is a plurality of an annular is constituteed to the outer protection strip, and is adjacent outer protection strip perisporium contacts each other, little circular arc face one side integrated into one piece of outer protection strip has the embedding portion that is used for in the embedding spout.
By adopting the technical scheme, the outer insulating layer is arranged, a better preliminary protection effect can be achieved on a plurality of electric wires, a certain bunching effect can be achieved on the electric wires, the inner sheath layer can protect the electric wires and the outer insulating layer on the outer side of the outer insulating layer, when foreign objects try to damage the cable, the inner sheath layer can achieve the effect of separation, the inner outer insulating layer and the electric wires are prevented from being damaged, and the outer protective strips, the embedding parts and the sliding grooves are arranged, so that when people need to install the outer protective strips on the outer side of the inner sheath layer, the embedding parts on one side of the small circular arc surfaces of the outer protective strips can be aligned to the openings at the two ends of the sliding grooves on the inner sheath layer, then the embedding parts are embedded into the sliding grooves, and the embedding parts slide to enable the embedding parts to drive the outer protective strips to move, thereby make outer protection strip can cover in the outside of sheath layer, people can be embedded into the spout with a plurality of embedding portions after that, thereby make a plurality of outer protection strips constitute an annular, thereby play better guard action to the inner sheath layer, thereby when making there is the foreign object to try to destroy the cable, outer protection strip can play the isolated effect of better protection, and when the cable meets the conflagration condition, outer protection strip can be isolated flame, avoid flame to burn out the inside electric wire of cable.
The utility model discloses further set up to: a plurality of the chutes are distributed in an annular array mode on the outer peripheral wall of the inner sheath layer by taking the inner sheath layer as a circle center.
Through adopting above-mentioned technical scheme, because the spout is annular array distribution on the inner sheath layer periphery wall as the centre of a circle to make the distribution of spout even, people can make the protection strip carry out comparatively comprehensive protection to the periphery of inner sheath layer when installing outer protection strip, make a plurality of outer protection strips simultaneously, the specification of embedding portion is the same, after arbitrary one has the outer protection strip damage of embedding portion, people can both change it, need not to carry out special accessory, thereby people's work efficiency has been improved.
The utility model discloses further set up to: and a plurality of clamping structures distributed in an array manner along the length direction of the outer protection strips are arranged on the outer sides of the outer protection strips.
Through adopting above-mentioned technical scheme, through setting up clamping structure to make clamping structure play better clamping effect to a plurality of outer protection strip in a section distance, make and possess better connection effect between a plurality of outer protection strips and the inner sheath layer.
The utility model discloses further set up to: the clamping structure comprises a first arc connecting ring and a second arc connecting ring which are hinged to each other, one end, away from the hinged position, of the first arc connecting ring and the second arc connecting ring is provided with a first connecting portion and a second connecting portion respectively, the second connecting portion is provided with a through groove which penetrates through the second connecting portion, and the first connecting portion is connected with a clamping hook which can penetrate through the through groove and is clamped with the second connecting portion.
By adopting the technical scheme, when people need to use the clamping structure for clamping, people can firstly unfold the first arc connecting ring and the second arc connecting ring which are hinged with each other, then people put the inner sheath layer connected with the plurality of outer protection strips between the first arc connecting ring and the second arc connecting ring, then people manually close the first arc connecting ring and the second arc connecting ring, the first arc connecting ring and the second arc connecting ring respectively drive the first connecting part and the second connecting part to deflect relatively, so that the clamping hook on the first connecting part can enter the through groove of the second connecting part and generate proper elastic deformation, after the clamping hook passes through the through groove, the clamping hook releases elastic potential energy and restores the original state, the clamping hook is hooked at the opening of the through groove, so that the first connecting part and the second connecting part can be connected through the clamping hook, and the first arc connecting ring and the second arc connecting ring can play a good clamping effect on the plurality of outer protection strips, a certain clamping force is generated.
The utility model discloses further set up to: the sliding groove is a dovetail groove.
Through adopting above-mentioned technical scheme, because the spout is the dovetail to after making in the spout with outer protection strip integrated into one piece's embedding portion, the embedding portion is difficult for breaking away from in the spout.
The utility model discloses further set up to: be equipped with in the outer insulating layer and be criss-cross isolation frame, form four intervals between isolation frame and the outer insulating layer, it is a plurality of the electric wire is located different intervals respectively.
Through adopting above-mentioned technical scheme, be criss-cross isolation frame through the setting to make and form four intervals between isolation frame and the outer insulating layer, thereby when making when the electric wire in one of them interval takes place the damage problem, the electric wire in other intervals can not receive the influence, can normally carry out work.
The utility model discloses further set up to: the electric wire comprises an electric core, an inner insulating layer arranged on the outer side of the electric core and a shielding layer arranged on the outer side of the inner insulating layer.
Through adopting above-mentioned technical scheme, through setting up the internal insulation layer to make it can play better insulating effect to electric core, and through setting up the shielding layer, thereby make it can reduce the influence that external electromagnetic field leads to electric core during operation.
The utility model discloses further set up to: and a fireproof coating is coated on the peripheral wall of the outer protection strip.
Through adopting above-mentioned technical scheme, through setting up fire protection coating to make it can make this cable possess better fire prevention effect, can effectively block flame, avoid the cable to be blown by flame.
To sum up, the utility model discloses following beneficial effect has:
1. the outer insulating layer is arranged, so that the outer insulating layer can achieve a good wire bunching effect on a plurality of wires, has a good insulating effect, and can achieve a good blocking effect on the wires when the wires leak electricity;
2. by arranging the inner sheath layer, the inner sheath layer can have a good protection effect on the outer insulating layer of the cable, and the outer insulating layer and a plurality of wires inside the cable are prevented from being damaged when a foreign object tries to damage the cable;
3. through setting up a plurality of outer protection strips to make a plurality of protection strips can further play better protection effect to this cable, when the damaged condition takes place for an arbitrary outer protection strip, people can change outer protection strip, improve people's work efficiency, cost of maintenance when also reducing the cable damaged condition.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
fig. 2 is a first schematic structural diagram of the present invention;
FIG. 3 is an enlarged view of FIG. 2 at A;
fig. 4 is an enlarged view of fig. 2 at B.
In the figure: 1. an isolation frame; 2. an outer insulating layer; 3. an electric core; 4. an inner insulating layer; 5. a shielding layer; 6. an inner jacket layer; 7. a chute; 8. an outer protective strip; 9. an insertion section; 10. a first arc connecting ring; 11. a circular arc connecting ring II; 12. a first connecting part; 13. a second connecting part; 14. a hook is clamped; 15. a through groove.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Example (b): a high flame retardant insulated wire cable is shown in figures 1 to 4,
firstly, people take an electric core 3, then people glue the outer side of the electric core 3 through an extruder, so that an inner insulating layer 4 made of rubber is formed on the outer side of the electric core 3, then people bond a shielding layer 5 made of aluminum foil on the outer peripheral wall of the inner insulating layer 4 through adhesive, so that people can obtain electric wires, then people take an isolation frame 1 with the same length as the electric wires, the isolation frame 1 is in a cross shape and made of rubber, the molten rubber can be prepared through an extruder, then people place a plurality of electric wires in four intervals in the circumferential direction of the isolation frame 1 respectively, then people take a heat shrinkable tube as an outer insulating layer 2, the heat shrinkable tube is heated and then firmly wraps the electric wires and the isolation frame 1, then people prepare a heat shrinkable tube with a plurality of chutes 7 arranged along the length direction in an annular array mode on the outer peripheral wall through the extruder as an inner jacket layer 6, the sliding groove 7 is a dovetail groove, then the inner protective sleeve layer 6 is sleeved on the outer side of the outer insulating layer 2 by people, after heating, the inner protective sleeve layer 6 is firmly coated on the outer side of the outer insulating layer 2, then the outer protective strip 8 with the arc-shaped cross section is taken by people, a plurality of outer protective strips 8 can form a circular ring, the circular arc radius of the small circular arc surface of each outer protective strip 8 is equal to the outer radius of the inner protective sleeve layer 6, an embedding part 9 arranged along the length direction of the small circular arc surface of each outer protective strip 8 is integrally formed in the middle of the small circular arc surface of each outer protective strip 8, then the embedding part 9 is embedded into the sliding groove 7 by people, as the sliding groove 7 is a dovetail groove, the embedding part 9 is not easy to break away after sliding into the sliding groove 7, the installation of the outer protective strips 8 is realized, after the installation of the plurality of the outer protective strips 8 is completed, the side walls of the adjacent outer protective strips 8 are contacted, finally, people take an arc connecting ring I10 and an arc connecting ring II 11, one end of the arc connecting ring I10 is hinged with one end of the arc connecting ring II 11 through a hinge, the other end of the arc connecting ring I10 is integrally formed with a connecting part I12 and a connecting part II 13, a clamping hook 14 arranged towards the direction of the connecting part II 13 is integrally formed on the connecting part I12, a through groove 15 used for accommodating the clamping hook 14 to pass is processed on the connecting part II 13 through punching, then when people need to use a clamping structure for clamping, people can firstly make the arc connecting ring I10 and the arc connecting ring II 11 which are mutually hinged open, then people put an inner sheath layer 6 connected with a plurality of outer protection strips 8 between the arc connecting ring I10 and the arc connecting ring II 11, then people make the arc connecting ring I10 and the arc connecting ring II 11 closed through a manual mode, the first circular arc connecting ring 10 and the second circular arc connecting ring 11 respectively drive the first connecting part 12 and the second connecting part 13 to deflect relatively, so that the hook 14 on the first connecting part 12 can enter the through groove 15 of the second connecting part 13, and appropriate elastic deformation occurs, and after the through groove 15 is passed, the hook 14 releases elastic potential energy and recovers to the original state, the hook 14 is hooked at the opening of the through groove 15, so that the first connecting part 12 and the second connecting part 13 can be connected through the hook 14, and the first circular arc connecting ring 10 and the second circular arc connecting ring 11 can play a good clamping effect on the plurality of outer protection strips 8, and certain clamping acting force is generated.
The inner insulating layer 4 is arranged, so that the inner insulating layer 4 can play a certain protection effect on the electric core 3, and can effectively prevent current leakage when the electric core 3 works, and the electric wire leakage condition is prevented, the shielding layer 5 is arranged, so that the shielding layer 5 can reduce the influence of an external electromagnetic field when the electric core 3 works, the cross-shaped isolation frame 1 is arranged, so that four intervals are formed between the isolation frame 1 and the outer insulating layer 2, so that when the electric wire in one interval is damaged, the electric wires in other intervals cannot be influenced and can normally work, the outer insulating layer 2 is arranged, so that the outer insulating layer 2 can play a good bunching effect on a plurality of electric wires, the outer insulating layer 2 has a good insulating effect, and can play a good blocking effect on the electric wires when the electric wires leak electricity, through setting up inner sheath layer 6, thereby make inner sheath layer 6 can play better protection effect to the outer insulating layer 2 of this cable, outer insulating layer 2 and a plurality of electric wires of inside are impaired when avoiding the external existence foreign object to try to destroy this cable, and because the spout 7 that a plurality of annular array distribute has been seted up on the periphery wall of inner sheath layer 6, thereby make it make things convenient for a plurality of protection strips to set up in its outside, through setting up outer protection strip 8, thereby make a plurality of protection strips can further play better protection effect to this cable, when arbitrary outer protection strip 8 takes place the damaged condition, people can change outer protection strip 8, improve people's work efficiency, cost of maintenance when also reducing the cable damaged condition.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a high fire-retardant insulated wire and cable, includes outer insulating layer (2) and a plurality of electric wire, its characterized in that: a plurality of the electric wire is established in outer insulating layer (2), the outside of outer insulating layer (2) is equipped with inner sheath layer (6), a plurality of spouts (7) have been seted up along its length direction on the periphery wall of inner sheath layer (6), the outside of inner sheath layer (6) is connected with a plurality of curved outer protection strip (8), and is a plurality of outer protection strip (8) are constituteed an annular, and are adjacent outer protection strip (8) perisporium contacts each other, small circle cambered surface one side integrated into one piece of outer protection strip (8) has embedding portion (9) that are used for in embedding spout (7).
2. A high flame retardant insulated wire and cable according to claim 1, wherein: a plurality of spout (7) are the annular array and distribute on inner sheath layer (6) periphery wall with inner sheath layer (6) as the centre of a circle.
3. A high flame retardant insulated wire and cable according to claim 2, wherein: and a plurality of clamping structures distributed in an array manner along the length direction of the outer protection strips (8) are arranged on the outer sides of the outer protection strips.
4. A high flame retardant insulated wire and cable according to claim 3, wherein: the clamping structure comprises a first arc connecting ring (10) and a second arc connecting ring (11) which are hinged to each other, one end, away from the hinged position, of each of the first arc connecting ring (10) and the second arc connecting ring (11) is provided with a first connecting part (12) and a second connecting part (13), the second connecting part (13) is provided with a through groove (15) which runs through the second connecting part, and the first connecting part (12) is connected with a clamping hook (14) which can run through the through groove (15) and is clamped with the second connecting part (13).
5. A high flame retardant insulated wire and cable according to claim 4, characterized in that: the sliding groove (7) is a dovetail groove.
6. A high flame retardant insulated wire and cable according to claim 5, characterized in that: be equipped with in external insulation layer (2) and be criss-cross isolation frame (1), form four intervals between isolation frame (1) and external insulation layer (2), it is a plurality of the electric wire is located different intervals respectively.
7. The high flame retardant insulated wire and cable according to claim 6, wherein: the electric wire comprises a battery cell (3), an inner insulating layer (4) arranged on the outer side of the battery cell (3) and a shielding layer (5) arranged on the outer side of the inner insulating layer (4).
8. A high flame retardant insulated wire and cable according to claim 7, wherein: and a fireproof coating is coated on the peripheral wall of the outer protection strip (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921338457.8U CN210052547U (en) | 2019-08-19 | 2019-08-19 | High flame-retardant insulated wire and cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921338457.8U CN210052547U (en) | 2019-08-19 | 2019-08-19 | High flame-retardant insulated wire and cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210052547U true CN210052547U (en) | 2020-02-11 |
Family
ID=69398984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921338457.8U Expired - Fee Related CN210052547U (en) | 2019-08-19 | 2019-08-19 | High flame-retardant insulated wire and cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210052547U (en) |
-
2019
- 2019-08-19 CN CN201921338457.8U patent/CN210052547U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200211 Termination date: 20210819 |