CN215911234U

CN215911234U - High-temperature-resistant cable structure

Info

Publication number: CN215911234U
Application number: CN202121973549.0U
Authority: CN
Inventors: 黄天辉
Original assignee: Dongguan Wenchang Electronic Products Co ltd
Current assignee: Dongguan Wenchang Electronic Products Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-25
Anticipated expiration: 2031-08-23

Abstract

The utility model relates to the field of cable production and discloses a high-temperature-resistant cable structure. The cable comprises a cable body, wherein a flame-retardant outer shell is sleeved outside the cable body, the flame-retardant outer shell is a halogen-free flame-retardant asbestos shell, a fixed insert block is fixedly arranged on the outer surface of the tail end of one side of the flame-retardant outer shell, an insertion groove is formed in the fixed insert block, the outside of the fixed insert block is connected with a fixed screw through a threaded hole, a connecting insertion hole is formed in the edge of one end of the flame-retardant outer shell, and an installation side block is bonded on the outer surface of the tail end of the flame-retardant outer shell, which is far away from the fixed insert block; the cable body's outside is provided with a plurality of fire-retardant shell bodies, and spontaneous combustion can not take place for the outside that fire-retardant shell body can protect the cable body effectively, has improved the security in the cable body use, and the use of cooperation insulating barrier layer for the cable body can not receive the interference in the use, thereby has improved the security in the use.

Description

High-temperature-resistant cable structure

Technical Field

The utility model belongs to the technical field of cable production, and particularly relates to a high-temperature-resistant cable structure.

Background

The wire and cable is used for transmitting electric energy, information and wire products for realizing electromagnetic energy conversion. A wire cable in a broad sense, also referred to as a cable for short, refers to an insulated cable, which 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.

However, when a common cable is used in a hot environment, the high temperature resistance of the cable is poor, so that spontaneous combustion is easily generated inside the cable, and safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problem that the cable provided by the utility model is poor in high-temperature resistance and spontaneous combustion is easy to occur in the cable, a high-temperature-resistant cable structure is provided.

The technical scheme adopted by the utility model is as follows: a high-temperature-resistant cable structure comprises a cable body, wherein a flame-retardant outer shell is sleeved outside the cable body, the flame-retardant outer shell is a halogen-free flame-retardant asbestos shell, a fixed inserting block is fixedly installed on the outer surface of the tail end of one side of the flame-retardant outer shell, an inserting groove is formed in the fixed inserting block, the outside of the fixed inserting block is connected with a fixed screw through a threaded hole, a connecting inserting hole is formed in the edge of one end of the flame-retardant outer shell, and an installation side block is bonded on the outer surface of the tail end, away from the fixed inserting block, of the flame-retardant outer shell;

the cable body with a side that the fire-retardant shell body contacted is provided with thermal-insulated top layer, the inside surface on thermal-insulated top layer is provided with the jam-proof layer, the jam-proof layer is kept away from a side on thermal-insulated top layer is provided with the insulation shielding layer, the inside of insulation shielding layer is provided with the cable core.

In a preferred embodiment, an adhesive sheet is adhered to one side surface of the mounting side block, which is in contact with the flame-retardant outer shell, and an insertion sheet is fixedly connected to the tail end of the mounting side block.

In a preferred embodiment, a fixing threaded hole is formed in the surface of the insertion piece, and the size of the fixing threaded hole is matched with the bolt end of the fixing screw rod.

In a preferred embodiment, the fixed insert is made of a magnetic material, and a magnetic head is fixedly connected to the end of the insert, and the magnetic head is attracted to the fixed insert.

In a preferred embodiment, an edge of one end of the flame-retardant outer shell, which is far away from the connection jack, is provided with a skid-proof protrusion, and the size of the skid-proof protrusion is matched with that of the connection jack.

In a preferred embodiment, the thickness on thermal-insulated top layer is 0.13mm, thermal-insulated top layer is the polytetrafluoroethylene material layer, the jam-proof layer is copper silver seal wire longitude and latitude weaving layer, the insulating shielding layer is ceramic insulating shielding fibre layer.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, the plurality of flame-retardant outer shells are arranged outside the cable body, the flame-retardant outer shells can effectively protect the outside of the cable body from spontaneous combustion, the safety of the cable body in the using process is improved, and the cable body is not interfered in the using process by matching with the insulating shielding layer, so that the safety of the cable body in the using process is improved.

2. According to the utility model, the adjacent flame-retardant outer shells are fixed through the fixing insertion block and the mounting side block, so that when the flame-retardant outer shells have problems, the flame-retardant outer shells can be independently replaced, and the convenience of the flame-retardant outer shells is improved.

Drawings

FIG. 1 is a schematic side view structure of the present invention;

FIG. 2 is a schematic view of another side view structure of the present invention;

FIG. 3 is a schematic view of a fixing insert according to the present invention;

FIG. 4 is a schematic view of the internal layered structure of the flame retardant outer shell of the present invention.

The labels in the figure are: the cable comprises a cable body 1, a flame-retardant outer shell 2, a connecting jack 3, a splicing groove 4, a fixed splicing block 5, a fixed screw rod 6, a splicing sheet 7, an anti-skid bulge 8, an adhesive sheet 9, a magnetic head 10, a fixed threaded hole 11, a heat insulation surface layer 12, an anti-interference layer 13, an insulation shielding layer 14, a cable core 15 and an installation side block 16.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

referring to fig. 1, a high temperature resistant cable structure, including cable body 1, fire-retardant shell body 2 has been cup jointed to cable body 1's outside, fire-retardant shell body 2 is the fire-retardant asbestos casing of halogen-free, the terminal surface fixed mounting in one side of fire-retardant shell body 2 has fixed inserted block 5, inserting groove 4 has been seted up to fixed inserted block 5's inside, after inserting insertion piece 7 in inserting groove 4's inside, can realize the fixed between a plurality of fire-retardant shell bodies 2, thereby stability and the fastness between the fire-retardant shell body 2 have been improved.

Referring to fig. 1 and 2, the outside of fixed inserted block 5 is connected with clamping screw 6 through the screw hole of seting up, connecting hole 3 has been seted up to the one end edge of fire-retardant shell body 2, fire-retardant shell body 2 is kept away from the terminal surface bonding of fixed inserted block 5 and has installation side piece 16, one side surface bonding that installation side piece 16 and fire-retardant shell body 2 contacted has bonding sheet 9, the terminal fixedly connected with inserted sheet 7 of installation side piece 16, the size of inserted sheet 7 and the size looks adaptation of inserting groove 4, insert inserted sheet 7 behind the inside of inserting groove 4, twist clamping screw 6 into the inside of fixed screw hole 11 again, fix between clamping screw 6 and inserted sheet 7, just, fixed between a plurality of fire-retardant shell bodies 2 has been formed, the stability of fire-retardant shell body 2 has been increased.

Referring to fig. 1 and 3, a fixing threaded hole 11 is formed in the surface of the plug-in tab 7, the size of the fixing threaded hole 11 is matched with the bolt end of the fixing screw 6, and the fixing between the flame-retardant outer shell 2 is formed after the fixing screw 6 is fixed with the fixing threaded hole 11.

Referring to fig. 1 and 3, the fixed insert 5 is made of a magnetic material, the end of the insert 7 is fixedly connected with a magnetic head 10, the magnetic head 10 attracts the fixed insert 5, and the magnetic material attracts the fixed insert 5, so that the magnetic head can be more easily inserted into the insert groove 4 when the adjacent flame-retardant outer shells 2 are connected.

Referring to fig. 1 and 2, the edge of one end of the flame-retardant outer shell 2, which is far away from the connecting jack 3, is provided with the anti-slip protrusions 8, the size of the anti-slip protrusions 8 is matched with the connecting jack 3, and after the anti-slip protrusions 8 are inserted into the connecting jack 3, the flame-retardant outer shell 2 can be prevented from falling off, so that the subsequent fixation between the insertion sheet 7 and the insertion groove 4 is firmer.

Referring to fig. 1 and 4, a heat insulation surface layer 12 is disposed on one side surface of the cable body 1 contacting the flame retardant outer shell 2, an anti-interference layer 13 is disposed on an inner surface of the heat insulation surface layer 12, an insulation shielding layer 14 is disposed on one side surface of the anti-interference layer 13 away from the heat insulation surface layer 12, and a cable core 15 is disposed inside the insulation shielding layer 14.

Referring to fig. 1 and 4, the thickness of thermal-insulated top layer 12 is 0.13mm, thermal-insulated top layer 12 is the polytetrafluoroethylene material layer, thermal-insulated top layer 12 has improved the fire-retardant ability of cable body 1, interference-proof layer 13 is copper silver seal wire longitude and latitude weaving layer, insulating barrier layer 14 is ceramic insulation shielding fibrous layer, interference-proof layer 13 cooperates insulating barrier layer 14's use for cable body 1 can not receive the interference in the use, thereby the security in the use has been improved.

The implementation principle of this application high temperature resistant cable structure embodiment does: after inserting piece 7 into the inside of inserting groove 4, twist fixing screw 6 into the inside of fixed screw hole 11 again, fix between fixing screw 6 and inserting piece 7, just formed between a plurality of fire-retardant shells 2 fixed, increased fire-retardant shell body 2's stability. After inserting the inserted sheet 7 in the inside of inserting groove 4, can realize the fixed between a plurality of fire-retardant shell bodies 2, when single fire-retardant shell body 2 takes place to damage, also can change fire-retardant shell body 2 through this type of method to practice thrift and change cost of maintenance, and it is comparatively simple and convenient to operate, interference-proof layer 13 cooperates the use of insulating barrier layer 14, make cable body 1 in the use, can not receive the interference, thereby the security in the use has been improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A high temperature resistant cable structure, includes cable body (1), its characterized in that: the cable comprises a cable body (1), and is characterized in that a flame-retardant outer shell (2) is sleeved outside the cable body (1), the flame-retardant outer shell (2) is a halogen-free flame-retardant asbestos shell, a fixed insert (5) is fixedly arranged on the outer surface of the tail end of one side of the flame-retardant outer shell (2), an insertion groove (4) is formed in the fixed insert (5), the outside of the fixed insert (5) is connected with a fixed screw (6) through a formed threaded hole, a connecting insertion hole (3) is formed in the edge of one end of the flame-retardant outer shell (2), and an installation side block (16) is bonded on the outer surface of the tail end of the flame-retardant outer shell (2) far away from the fixed insert (5);

the cable comprises a cable body (1) and is characterized in that a heat insulation surface layer (12) is arranged on one side face, contacted with a flame-retardant outer shell (2), of the cable body, an anti-interference layer (13) is arranged on the inner surface of the heat insulation surface layer (12), the anti-interference layer (13) is far away from one side face of the heat insulation surface layer (12) is provided with an insulation shielding layer (14), and a cable core body (15) is arranged inside the insulation shielding layer (14).

2. A high temperature resistant cable construction as claimed in claim 1, wherein: an adhesive sheet (9) is adhered to the surface of one side, which is in contact with the flame-retardant outer shell (2), of the mounting side block (16), and the tail end of the mounting side block (16) is fixedly connected with an inserting sheet (7).

3. A high temperature resistant cable construction as claimed in claim 2, wherein: the surface of the insertion sheet (7) is provided with a fixing threaded hole (11), and the size of the fixing threaded hole (11) is matched with the bolt end of the fixing screw rod (6).

4. A high temperature resistant cable construction as claimed in claim 2, wherein: the fixed insertion block (5) is made of magnetic materials, the tail end of the insertion sheet (7) is fixedly connected with a magnetic head (10), and the magnetic head (10) is attracted with the fixed insertion block (5).

5. A high temperature resistant cable construction as claimed in claim 1, wherein: the flame-retardant shell body (2) is far away from one end edge of the connecting jack (3) is provided with an antiskid lug (8), and the size of the antiskid lug (8) is matched with that of the connecting jack (3).

6. A high temperature resistant cable construction as claimed in claim 1, wherein: the thickness on thermal-insulated top layer (12) is 0.13mm, thermal-insulated top layer (12) are the polytetrafluoroethylene material layer, jam-proof layer (13) are copper silver seal wire longitude and latitude weaving layer, insulating shield layer (14) are ceramic insulation shielding fibrous layer.