CN210039731U

CN210039731U - High temperature resistant electric wire of anti-pressure

Info

Publication number: CN210039731U
Application number: CN201920780511.8U
Authority: CN
Inventors: 吴领万
Original assignee: Changzhou Haoqiang Cable Co Ltd
Current assignee: Changzhou Haoqiang Cable Co Ltd
Priority date: 2019-05-28
Filing date: 2019-05-28
Publication date: 2020-02-07
Anticipated expiration: 2029-05-28

Abstract

The utility model discloses a prevent high temperature resistant electric wire of pressing belongs to cable conductor technical field, aims at providing a prevent high temperature resistant electric wire of pressing, and its technical scheme main points are: the electric wire body overcoat has a plurality of subassemblies of preventing pressing, receives the place restriction when being extrudeed when the electric wire body, can will prevent pressing the subassembly and remove electric wire body pressurized position, will press the article on the electric wire body and press on preventing pressing the subassembly, reduces the electric wire body and appear crease or damaged phenomenon because of the pressurized. Prevent pressing the subassembly and include the outmost contact layer that receives the pressure layer and inlayer, receive the pressure layer inboard, the contact layer is outer and prevent pressing the sealed both ends of subassembly and form the packing space, are equipped with a plurality of spherical elastomers in the packing space, prevent pressing the subassembly both ends and be equipped with fixed subassembly for prevent pressing the unable free movement of subassembly. The utility model is suitable for an electric wire.

Description

High temperature resistant electric wire of anti-pressure

Technical Field

The utility model relates to a cable conductor technical field, more specifically say, it relates to a high temperature resistant electric wire of preventing pressing.

Background

The electric wire is a conducting wire for transmitting electric energy, and comprises a bare wire and an insulating wire, wherein the bare wire is directly used or wrapped with different functional layers according to the use requirement of the electric wire, and is mainly applied to outdoor overhead or electric appliance line installation connection and other scenes.

The existing electric wire suitable for the installation and connection of electric appliance lines with the alternating current rated voltage of 500V or below generally comprises a multi-twisted or odd tinned copper wire, an insulating layer, a fire-resistant layer, an anticorrosive layer and the like.

The above prior art solutions have the following drawbacks: the electric wire body is used in electrical apparatus circuit erection joint in-process, often receives the extrusion because of the restriction in space, and electric wire body surface forms the crease because of the extrusion to cause the damage of electric wire body, and then influence the electrical apparatus and use.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a prevent high temperature resistant electric wire of pressing, it has the phenomenon that reduces the electric wire body and form the crease because of external force extrusion.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a prevent high temperature resistant electric wire of pressure, includes the electric wire body, this external cover of electric wire has a plurality of pressure components of preventing, prevent pressing the subassembly and include outermost layer of receiving and the inlayer contact layer, receive the layer inboard the contact layer is outer and prevent pressing subassembly both ends formation filling space, prevent pressing the subassembly both ends and be elastic seal structure, be equipped with a plurality of elastomers in the filling space, the contact layer inboard with electric wire body outside butt, the electric wire body is close to prevent pressing the subassembly and be equipped with fixed subassembly.

Through adopting above-mentioned technical scheme, the electric wire body extensively is used for electric heating appliance, baking finish room, lighting apparatus lamp decoration and domestic appliance product, and at electric wire body overcoat pressure subassembly of seting up defences, the electric wire body is in the use, if need buckle or receive other household electrical appliances extrusion time because of the restriction in place, can utilize and receive the external pressure on layer. Prevent pressing the subassembly both ends and be elastic seal structure, prevent pressing the subassembly both ends, press the layer inboard and contact layer ectogenesis packing space, pack the elastomer in packing space, when the layer that receives external pressure, can transmit external pressure to the elastomer on, make the elastomer take place deformation under the exogenic action, the electric wire body is direct after being buckled the extrusion back, the macroscopic crease can appear on general electric wire body surface, crease on the electric wire body is buckled the extrusion once more and is damaged easily, and then influence the use of electrical apparatus. The elastic body disperses partial external force, and the phenomenon of deformation of the wire body can be reduced. The fixed subassembly sets up and can be when the electric wire body uses, will prevent pressing the subassembly to fix on electric wire body suitable position, reduces and prevents pressing the phenomenon that the subassembly constantly removed, reduces and prevents pressing the condition that the subassembly influences operating personnel erection joint.

Furthermore, a plurality of the elastomers are spherical elastomers, the elastomers are abutted against the inner side of the pressure receiving layer, the elastomers are abutted against the outer layer of the contact layer, and meanwhile, the elastomers are abutted against each other.

Through adopting above-mentioned technical scheme, the elastomer is spherical, and spherical elastomer has the characteristics that bearing pressure is big, and any local atress of sphere, power all can be to dispersing uniformly all around, can reduce the power that the electric wire body bore external dynamics.

Further, fixed subassembly establishes including the cover two rubber rings on the electric wire body, the rubber circle with the laminating of electric wire body, two a plurality of rubber strips are connected to the relative border of rubber ring, rubber strip one side with prevent pressing the inboard butt of subassembly, rubber strip opposite side with electric wire body butt.

Through adopting above-mentioned technical scheme, rubber circle and electric wire body surface contact, because of the frictional force on rubber circle and electric wire body surface, the rubber circle is difficult to remove under the influence that does not have external force. Two rubber rings set up at the both ends of preventing pressing the subassembly, can play the fixed effect of preventing pressing the subassembly. The edge passes through the rubber strip and connects in the relative terminal surface of two rubber rings, under the initial condition, the rubber strip with prevent pressing the subassembly internal surface and be the butt, can play the fixed action, when preventing on the electric wire body that the subassembly needs to remove, can be through applying external force to rubber ring surface, to electric wire body length direction elongation rubber strip, after the rubber strip elongates, thickness diminishes, conveniently prevent pressing the subassembly global movement, prevent pressing the subassembly to remove to suitable position after, the rubber strip can reply to the primary state. Generally, because be the rubber material between rubber strip and the electric wire surface, frictional force is great between the two, need manually reset the rubber circle to with prevent pressing the position of subassembly both ends laminating.

Furthermore, the outer side of the rubber ring is provided with a first-stage anti-skid sawtooth; and one end of each rubber ring, which is close to the pressure-proof component, is provided with a secondary antiskid bulge.

By adopting the technical scheme, the operator moves the rubber ring, the first-stage anti-skid sawteeth can increase the friction force between the rubber ring and the hand of the user, and the falling-off condition is reduced, so that the falling-off condition of the rubber ring from the fingers of the operator is reduced; the second-level anti-skid protrusions can reduce the phenomenon that the anti-press assembly rotates in the circumferential direction of the wire body after being fixed.

Further, fixed subassembly is detained including the primary and secondary button that is located the pressure-proof subassembly both ends, the primary and secondary button includes first grade section and second grade section, first grade section inboard with electric wire body butt, first grade section inboard is equipped with the rubber layer, the first grade section length is 1 times to 1.2 times of electric wire body girth, the second grade section inboard sets up to the hair side, first grade section with the second grade section outside sets up to colluding the thorn face.

Through adopting above-mentioned technical scheme, operating personnel need will prevent pressing the subassembly when suitable position, will fix the subassembly winding in the electric wire body outside for the matte surface is hugged closely with colluding the thorn face, thereby will prevent pressing the subassembly to fix in suitable position. The rubber layer is arranged on the inner side of the primary section, so that the friction force between the snap fastener and the surface of the electric wire body can be increased by the rubber layer, and the sliding condition of the snap fastener in the length direction of the electric wire body is reduced.

Furthermore, one end of each of the two first stages, which is far away from the second stage, is fixedly connected with two ends of the pressure-proof assembly, and the length of the snap fastener is 2 times to 3 times of the circumference of the wire body.

Through adopting above-mentioned technical scheme, when the subassembly is prevented in the needs removal, open the primary and secondary knot of winding on the electric wire body, when the one end fixed connection that the primary and secondary was close to the electric wire body prevented pressing the subassembly on, the condition that the primary and secondary knot of opening lost can be reduced. When the primary and secondary knot is too long, it is loaded down with trivial details to twine for a long time to use, when the primary and secondary knot is shorter, the condition of pine scattering appears easily.

Furthermore, the electric wire body comprises a conducting wire consisting of copper wires, an insulating layer, a fireproof layer and an outer protective layer.

Through adopting above-mentioned technical scheme, the electric wire body is used for the place that needs the fire prevention such as electric heating appliances, baking finish room, and the flame retardant coating can reduce the condition that the electric wire body surface damaged because of the high temperature.

Furthermore, the insulating layer is made of silicon rubber materials, and the fireproof layer is made of glass fibers.

Through adopting above-mentioned technical scheme, the silicon rubber material has characteristics such as insulating, high temperature resistant, ageing-resistant, pliability is strong, and glass fiber has advantages such as corrosion-resistant, ageing-resistant, thermal-insulated antistatic, and the insulating layer is made for the silicon rubber material, and the flame retardant coating is made for glass fiber, can play the effect of extension electric wire body's life.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the pressure-proof assembly, the effect of protecting the electric wire body from being extruded can be achieved;

2. the effect of fixing the pressure-proof assembly can be achieved through the arrangement of the fixing assembly;

3. through the setting that the flame retardant coating has glass fiber to make, can play the effect of the life of extension electric wire body.

Drawings

Fig. 1 is a schematic view showing a connection relationship of an electric wire body, a pressure preventing member and a fixing member in embodiment 1;

fig. 2 is a schematic structural view of the electric wire body in embodiment 1;

FIG. 3 is a sectional view showing an internal structure of a pressure preventing member in example 1;

FIG. 4 is a schematic view of a fixing member in embodiment 1;

FIG. 5 is a schematic view of a fixing member in embodiment 2;

fig. 6 is a schematic structural view of a primary stage and a secondary stage of the fixing member in embodiment 2.

In the figure, 1, a wire body; 11. a wire; 12. an insulating layer; 13. a fire barrier layer; 14. an outer protective layer 2, a pressure-proof component; 21. a pressure receiving layer; 22. a contact layer; 23. filling the space; 24. an elastomer; 3. a fixing assembly; 31. a rubber ring; 32. primary anti-slip saw teeth; 33. a secondary anti-skid bump; 34. a rubber strip; 4. a snap fastener; 41. a first stage; 42. a second stage; 43. a rubber layer; 44. rough surface; 45. and (5) making a barbed surface.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: as shown in fig. 2, for the utility model discloses a prevent high temperature resistant electric wire of pressure, the utility model discloses electric wire body 1 is applicable to alternating current rated voltage 500 volts and following electric appliance line erection joint. Wire 11, insulating layer 12, flame retardant coating 13 and the outer protective layer that electric wire body 1 includes the copper wire and constitutes, 14, the utility model discloses the conductor is many glues or singular tinned copper wire, and insulating layer 12 is the silica gel layer for electric wire body 1 has insulating effect, has advantages such as ageing-resistant, waterproof simultaneously, thereby can prolong electric wire body 1's life. On electric wire body 1 was extensively used for electric heating appliance, baking finish room, lighting lamp equipment lamp decoration and domestic appliance product, when electric wire body 1 used in the baking finish room, the temperature in the baking finish room in being suitable for generally can reach 50 degrees to 60 degrees, so electric wire body 1 in the installation baking finish room need have the fire prevention, advantage such as high temperature resistant, the utility model discloses electric wire body 1 is equipped with the flame retardant coating 13 that glass fiber material made outside insulating layer 12, and the glass fiber strip is through the establishment parcel in the insulating layer 12 outside for electric wire body 1 has advantages such as fire prevention high temperature resistant, corrosion-resistant, ageing-resistant.

As shown in fig. 3, the utility model discloses electric wire body 1 is in electrical apparatus circuit installation connection process, because restriction such as installation space, electric wire body 1 probably has many positions that need buckle or extrude, after electric wire body 1 is extruded for a long time, crease can appear in electric wire body 1, leads to electric wire body 1 to have hidden danger in the use next. 1 cover of electric wire body is equipped with a plurality of pressure components 2 of preventing, prevent pressing 2 both ends of components and be elastic seal structure, prevent pressing components 2 and include outer pressure layer 21, inboard contact layer 22 and middle filling space 23, be equipped with a plurality of spherical elastomers 24 in the filling space 23, the sphere has the big advantage of bearing pressure, do not have outside thrust during the pressurized simultaneously, no matter spherical any point atress, all can disperse uniformly all around, make the sphere also difficult damage under the extruded condition, after external force disappears simultaneously, spherical elastomer 24 can kick-back rapidly, make and prevent pressing components 2 can used repeatedly.

As shown in fig. 4, a fixing component 3 (see fig. 1) is provided near the pressure-proof component 2, the fixing component 3 includes two rubber rings 31 and a plurality of rubber strips 34, the rubber strips 34 connect the inner side edges of the two rubber strips 34, the rubber strips 34 are abutted against the outer side of the electric wire body 1, the rubber rings 31 are provided at the two ends of the pressure-proof component 2, the rubber strips 34 are located between the inner side of the contact layer 22 and the outer side of the electric wire body 1, the rubber rings 31 at the two ends of the pressure-proof component 2 fix the pressure-proof component 2 at the fixed position of the electric wire body 1 so that it cannot move along the length direction of the electric wire body 1, when there is no pressure-proof component 2 at the portion of the electric wire body 1 that needs to be extruded, an external force can be applied to the rubber rings 31 to move the rubber rings 31 respectively in the direction away from the pressure-proof component 2, thereby lengthening the length of the rubber strips 34, the, so that the pressure preventing member 2 can be easily moved between the two rubber rings 31, i.e., the pressure preventing member 2 can be moved to a proper position. In order to facilitate the operator to move the rubber ring 31, a first-stage anti-slip gear is arranged on the outer side of the rubber ring 31, so that the rubber ring 31 is prevented from slipping off the fingers of the operator. The rubber ring 31 and the contact surface of the two ends of the pressure-proof component 2 are provided with two-stage anti-skid protrusions 33, and when the pressure-proof component 2 is fixed at a proper position of the electric wire body 1, the phenomenon that the pressure-proof component 2 rotates along the radial direction of the electric wire body 1 is reduced.

The specific implementation process comprises the following steps: the staff is at the installation wire in-process, because the restriction in place, electric wire body 1 can receive the extrusion, the staff exerts pressure to fixed subassembly 3's rubber circle 31, make rubber strip 34 keep away from preventing pressing 2 direction removal of subassembly, rubber strip 34 diminishes because of the width that elongates, prevent pressing 2 can be at the within range removal that elongates, the repeated rubber strip 34 that elongates removes and prevents pressing 2 to suitable position, make electrical apparatus or other article press prevent pressing 2 on, prevent pressing 2 interior elastic component of subassembly and disperse pressure to all around, reduce electric wire body 1 and appear the condition of crease or damage because of the extrusion.

Example 2: as shown in fig. 6, in embodiment 2, the fixing component 3 is configured as a snap fastener 4 fixedly connected to two ends of the pressure-proof component 2, the snap fastener 4 includes a primary section 41 whose inner side is a rubber layer 43 and a secondary section 42 whose inner side is a rough surface 44 (see fig. 5), the rubber layer 43 abuts against the outer surface of the wire body 1, so as to increase the friction between the snap fastener 4 and the wire body 1, and reduce the situation that the snap fastener 4 moves on the wire body 1. The outside of the first stage 41 and the second stage 42 is provided with a barbed surface 45 so that the fixing member 3 is tightly wound on the electric wire body 1. One end of the fixing component 3 close to the wire body 1 is fixedly connected to the pressure-proof component 2, so that the phenomenon that the fixing component 3 in an open state is lost is reduced.

The specific implementation process comprises the following steps: during the process of installing the circuit, when the anti-pressure component 2 needs to be fastened, the worker tightly attaches the rubber layer 43 to the outer surface of the electric wire body 1, and the rough surface 44 of the secondary section 42 is attached to the barbed surface 45, so that the fixing component 3 is fixedly wound on the electric wire body 1. When it is necessary to move the pressure prevention assembly 2, the worker may tear the frosted surface 44 adhered to the barbed surface 45 and then move the pressure prevention assembly 2 to a proper position.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a high temperature resistant electric wire of pressing prevention, includes electric wire body (1), its characterized in that: electric wire body (1) overcoat has a plurality of pressure components (2) of preventing, prevent pressing components (2) including outmost layer (21) and the inlayer contact layer (22) of receiving, receive layer (21) inboard contact layer (22) skin and prevent pressing components (2) both ends and form packing space (23), prevent pressing components (2) both ends and be elastic seal structure, be equipped with a plurality of elastomers (24) in packing space (23), contact layer (22) inboard with electric wire body (1) outside butt, electric wire body (1) is close to prevent pressing components (2) and be equipped with fixed subassembly (3).

2. The pressure-resistant, high-temperature-resistant electrical wire of claim 1, wherein: the elastic bodies (24) are spherical elastic bodies (24), the elastic bodies (24) are abutted against the inner side of the pressure receiving layer (21), the elastic bodies (24) are abutted against the outer layer of the contact layer (22), and the elastic bodies (24) are abutted against each other.

3. The pressure-resistant, high-temperature-resistant electrical wire of claim 1, wherein: fixed subassembly (3) establish including the cover two rubber circle (31) on the electric wire body (1), rubber circle (31) with the laminating of electric wire body (1), two a plurality of rubber strip (34) are connected to the relative border of rubber circle (31), rubber strip (34) one side with prevent pressing the inboard butt of subassembly (2), rubber strip (34) opposite side with electric wire body (1) butt.

4. The pressure-resistant, high-temperature-resistant electrical wire of claim 3, wherein: the outer side of the rubber ring (31) is provided with a primary anti-skid sawtooth (32); one end of each rubber ring (31) close to the pressure-proof component (2) is provided with a secondary antiskid bulge (33).

5. The pressure-resistant, high-temperature-resistant electrical wire of claim 1, wherein: fixed subassembly (3) are including being located snap fastener (4) that prevent pressing subassembly (2) both ends, snap fastener (4) are including first level (41) and second level (42), first level (41) inboard with electric wire body (1) butt, first level (41) inboard is equipped with rubber layer (43), first level (41) length is 1 doubly to 1.2 times of electric wire body (1) girth, second level (42) inboard sets up to matte (44), first level (41) with second level (42) outside sets up to colluding thorn face (45).

6. The pressure-resistant, high-temperature-resistant electrical wire of claim 5, wherein: one end, far away from the secondary section (42), of each of the two primary sections (41) is fixedly connected with two ends of the pressure-proof assembly (2), and the length of the snap fastener (4) is 2 times to 3 times of the perimeter of the wire body (1).

7. The pressure-resistant, high-temperature-resistant electrical wire of claim 1, wherein: the electric wire body (1) comprises a conducting wire (11) consisting of copper wires, an insulating layer (12), a fireproof layer (13) and an outer protective layer (14).

8. The pressure-resistant, high-temperature-resistant electrical wire of claim 7, wherein: the insulating layer (12) is made of silicon rubber materials, and the fireproof layer (13) is made of glass fibers.