CN211320435U - Weather-proof and interference-proof power line - Google Patents

Abstract

The utility model relates to a weather-proof and interference-proof power line, which comprises a power line, a plug connected with the power line and a sheath arranged at the connecting part of the power line and the plug, the power line comprises three electric cores, three inner sheaths respectively coated on the three electric cores and an outer sheath coated on the three inner sheaths, the plug comprises a shell and three pins arranged on the side part of the shell, the three pins are respectively connected with three electric cores, the sheath comprises two protective shells, a cavity is formed on one opposite side of the two protective shells, the three battery cores and the three inner sheaths penetrate through the cavity, the position that electric core and inner sheath are located the die cavity is the spiral setting, the one end card of sheath is located the shell and its card is located the cross-section at the position of shell and is the ellipse circular structure, the one end card of oversheath is located the one end that the plug was kept away from to two protecting shells. The utility model discloses the effect of antitorque commentaries on classics ability relatively preferred has.

Description

Weather-proof and interference-proof power line

Technical Field

The utility model belongs to the technical field of the technique of power cord and specifically relates to a resistant jam-proof power cord of waiting is related to.

Background

The power cord is widely used, and is spread throughout substantially every corner of our lives. In order to prevent the power cord from being burnt due to overheating caused by short circuit or overload of the power cord, a temperature controller is arranged in part of the power cord plug at present, when the temperature of the power cord plug is overhigh, the temperature controller cuts off the power on of the power cord, and the power cord is prevented from being burnt and causing fire due to continuous temperature rise of the power cord. The power cord of current area temperature controller does not set up prompt facility when high temperature breaks off, and the user fails in time to discover the consumer and the power failure of power cord, and the user fails in time to investigate the power consumption problem, has influenced the normal use of consumer.

In order to solve the above technical problems, in the prior art, chinese patent with publication number CN109004476A discloses a temperature control power line, a power line with power-off indication, a power line and a load power supply, and the technical essential points are as follows: the temperature control switch comprises a shell and a power output line, wherein a zero wire pin, a live wire pin and a ground wire pin which are electrically connected with the power output line are arranged on one side of the shell, and a temperature control switch is connected on the live wire pin in series.

The above prior art solutions have the following drawbacks: according to the technical scheme, the specification and the attached drawings can be used for obtaining that in the remembering scheme, a power line is directly connected with a zero wire pin, a live wire pin and a ground wire pin, the power line directly penetrates into a shell, and meanwhile, in the actual use process, the power line is often twisted, bent and rolled by external force.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, one of the purposes of the utility model is to provide a resistant jam-proof power cord of waiting, the relative preferred of its antitorque commentaries on classics ability can effectual reduction twist reverse the interference to its circular telegram performance.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a resistant jam-proof power cord, includes the power cord, connects in the plug of power cord and sets up in the sheath of power cord and plug connecting portion, the power cord includes three electric core, three cladding respectively in the inner sheath of three electric core and the oversheath of cladding in three inner sheath, the plug includes the shell and sets up in the three of shell lateral part and participates in respectively in three electric core, the sheath includes two protective cases, two the protective case is formed with the die cavity in one side in opposite directions, it is three electric core and three inner sheath pass from the die cavity, the position that electric core and inner sheath are located the die cavity is the spiral setting, the cross-section at the position that shell and its card were located the shell is oval column structure to the one end card of sheath is located the one end that the plug was kept away from to two protective cases.

By adopting the technical scheme, when the socket is used, the three pins are inserted into the jacks of the socket, the shell is used for insulation, the two protective shells are of an opposite opening structure, so that a cavity is formed inside one opposite side of the two protective shells, and the anti-torsion performance of the two protective shells can be effectively improved; simultaneously electric core and inner sheath are located the position of die cavity and are the spiral setting, and when twisting reverse, electric core and inner sheath can have more tensile volume relatively to be used for doing the buffering to twisting reverse, reduce to twist reverse the damage to electric core itself and inner sheath.

The present invention may be further configured in a preferred embodiment as: the cavity wall of die cavity is provided with a plurality of ka tai, and a plurality of ka tai divide into multiunit and multiunit card platform along power cord length direction distribution, and is in the same group the card platform includes that two are seted up three open-ended card platform in opposite directions, two in the same group card platform fixed connection respectively in two protective housing, and is three the inner sheath passes in the opening of two card platforms of the same group respectively.

Through adopting above-mentioned technical scheme, can do the restriction to electric core and inner sheath through the ka tai, when increasing the torsion power cord, electric core and inner sheath are by tensile hindrance to increase to torsional resistance, and can twist reverse the position of comparatively even transmission to electric core and inner sheath in the die cavity of the moment of torsion that produces through the multiunit ka tai, in order to further increase the power cord to torsional resistance.

The present invention may be further configured in a preferred embodiment as: the oversheath has seted up the annular towards the one end of shell, the bayonet socket has been seted up respectively at the both ends that electric core runs through the direction along the protective case, the cell wall card of annular is located between two bayonets of two protective cases with the one end, the cell wall fixedly connected with of annular is pipy adapter sleeve, the other end fixed connection of adapter sleeve is in two protective cases, the power cord is passed from the adapter sleeve.

Through adopting above-mentioned technical scheme, the cell wall of annular can be restricted to the oversheath, when reducing to twist reverse, the oversheath is pulled out and is leaded to its probability that relative protective housing breaks away from, optimizes the result of use, and the adapter sleeve can further be restricted between power cord and the sheath simultaneously, when reducing the use, the probability that the relative sheath of power cord breaks away from, further optimizes and resists torsional performance

The present invention may be further configured in a preferred embodiment as: the outer wall card of protective case is equipped with a plurality of beaded finish grooves, the beaded finish groove encircles the outer wall setting of protective case, the extending direction of beaded finish groove is spiral setting, the cross-section of beaded finish groove is isosceles trapezoid shape structure and its minor face is located its long limit towards central one side of protective case.

Through adopting above-mentioned technical scheme, when using, strengthen the annular and can further increase the holistic intensity of protective housing, reduce and twist reverse the damage to it, the extending direction who strengthens the annular simultaneously is the spiral setting, can make the moment that will twist reverse the production that can be better relatively when twisting, and strengthen the annular and be isosceles trapezoid shape structure along its extending direction's of perpendicular to cross-section, strengthen the annular and be the main aspects opening, can make and form the loop platform that the cross-section is isosceles trapezoid shape structure between the adjacent enhancement annular, can further increase the intensity of the loop platform that forms between the adjacent enhancement annular, increase and resist torsional performance.

The present invention may be further configured in a preferred embodiment as: the battery core is a multi-core stranded wire.

Through adopting above-mentioned technical scheme, compare in single core electricity core, the multicore stranded conductor possesses better torsional properties, can be effectual when resisting to twist reverse, reduces the damage that the electricity core suffered.

The present invention may be further configured in a preferred embodiment as: the inner sheath comprises an insulating layer made of insulating materials and a reinforcing layer coated on the outer wall of the insulating layer.

Through adopting above-mentioned technical scheme, when using, when the insulating layer can avoid using, produce between the three electric core and disturb and lead to the short circuit, the enhancement layer can be protected the insulating layer simultaneously to increase the insulating layer and resist torsional ability, reduce the probability that the insulating layer is damaged when twisting.

The present invention may be further configured in a preferred embodiment as: the enhancement layer is elasticity nylon screen cloth, the insulating layer is located to enhancement layer part inlays.

Through adopting above-mentioned technical scheme, the enhancement layer is elasticity nylon cloth, has certain fire behaviour and intensity, and when can effectual increase long-time use leads to electric core temperature to rise, the intensity of insulating layer itself to increase the insulating layer and resist torsional performance when the temperature is higher relatively.

The present invention may be further configured in a preferred embodiment as: the outer sheath comprises a weather-resistant layer made of silicon rubber and a protective layer embedded in the weather-resistant layer, and the protective layer is an elastic nylon net.

Through adopting above-mentioned technical scheme, when using, because the resistant layer of waiting is made for adopting the silicon rubber, its elasticity that possesses high temperature resistant, resistant time and the preferred of relative preferred, can make when using, resistant layer of waiting can possess better weatherability when resisting the torsional capability better, because the intensity of silicon rubber itself is not good relatively, inlays through the protective layer and locates in the resistant layer of waiting, can effectually increase the holistic intensity of resistant layer, reduces the probability that external force caused the damage to resistant layer of waiting.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the socket is used, the three pins are inserted into the jacks of the socket, the shell is used for insulation, the two protective shells are of an opposite opening structure, so that a cavity is formed inside one opposite side of the two protective shells, and the anti-torsion performance of the two protective shells can be effectively improved; meanwhile, the parts of the electric core and the inner sheath, which are positioned in the cavity, are spirally arranged, and when the electric core and the inner sheath are twisted, the electric core and the inner sheath can have relatively more stretching amount so as to buffer the twisting and reduce the damage of the twisting to the electric core and the inner sheath;

2. when using, strengthen the annular and can further increase the holistic intensity of protective housing, reduce and twist reverse the damage to it, the extending direction who strengthens the annular simultaneously is spiral setting, can make can be better relatively when twisting and will twist reverse the moment that produces and disperse, and strengthen the annular and be isosceles trapezoid shape structure along its extending direction's of perpendicular to cross-section, strengthen the annular and be the main aspects opening, can make and form the loop platform that the cross-section is isosceles trapezoid shape structure between the adjacent strengthening the annular, can further increase the intensity of the loop platform that forms between the adjacent strengthening the annular, increase and resist torsional performance.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic diagram of the explosion structure of the present embodiment, which is mainly used for showing the internal structure of the sheath.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2, which is mainly used for showing the structure of the inner sheath.

In the figure, 1, power supply line; 11. an electric core; 12. an inner sheath; 121. an insulating layer; 122. a reinforcing layer; 13. an outer sheath; 131. a ring groove; 132. connecting sleeves; 133. a weatherable layer; 134. a protective layer; 2. a plug; 21. a housing; 22. a pin; 3. a sheath; 31. protecting the shell; 311. a bayonet; 312. a reinforcement ring groove; 32. a cavity; 321. and (7) clamping the table.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses a weather-proof and interference-proof power cord, including power cord 1, connect in plug 2 of power cord 1 and set up in the sheath 3 of power cord 1 and plug 2 connecting portion.

The power line 1 comprises three electric cores 11 used for conducting electricity, three inner sheaths 12 and outer sheaths 13 coated on the three inner sheaths 12, and the three inner sheaths 12 are respectively coated on the three electric cores 11. The plug 2 comprises a shell 21 and three pins 22 arranged on the side part of the shell 21, wherein the ends of the three pins 22 in the shell 21 are fixedly connected to the three battery cells 11 through bolts respectively. The three pins 22 are parallel to each other and distributed in a triangular shape for being inserted into the insertion holes of the socket, wherein the battery cell 11 is a multi-core stranded wire with better torsion resistance.

Referring to fig. 2 and 3, the sheath 3 includes two protection shells 31, and the two protection shells 31 are in an opening structure facing each other such that a cavity 32 is formed inside facing sides of the two protection shells 31. The power cord 1 passes through a cavity 32 between two protective shells 31, and the two protective shells 31 are bonded by melting.

Electric core 11 and inner sheath 12 penetrate to shell 21 after passing from die cavity 32 in, the position that electric core 11 and inner sheath 12 are located die cavity 32 is the spiral setting, and the one end card of sheath 3 is located shell 21 and its card and is located the position of shell 21 and be oval column structure, and a tip card of oversheath 13 is located two protective cases 31 and is kept away from the one end of plug 2.

When the socket is used, the three pins 22 are inserted into the jacks of the socket, the shell is used for insulation, the two protective shells 31 are of an opposite opening structure, so that a cavity 32 is formed inside one opposite side of the two protective shells 31, and the anti-torsion performance of the two protective shells 31 can be effectively improved; simultaneously electric core 11 and inner sheath 12 are located the position of die cavity 32 and are the spiral setting, and when twisting round, electric core 11 and inner sheath 12 can have more tensile volume relatively to be used for doing the buffering to twisting round, reduce to twist round the damage to electric core 11 itself and inner sheath 12.

Referring to fig. 2 and 3, a plurality of clamping platforms 321 are arranged in the cavity 32, the plurality of clamping platforms 321 are divided into a plurality of groups, and the plurality of groups of clamping platforms 321 are distributed along the length direction of the battery cell 11; the same set of clamping platforms 321 includes two clamping platforms 321 which are oppositely provided with three bayonets, the same set of two clamping platforms 321 are located on the same radial plane of the battery cell 11, and the three battery cells 11 and the three inner sheaths 12 respectively penetrate through three openings of the same set of two clamping platforms 321. In order to do the restriction to electric core 11 and inner sheath 12 through ka tai 321, when increasing and twist reverse power cord 1, electric core 11 and inner sheath 12 are by tensile hindrance to increase the resistance to torsion, and can twist the position of comparatively more even transmission to electric core 11 and inner sheath 12 in die cavity 32 of the moment of torsion that produces through multiunit ka tai 321, in order to further increase power cord 1 to torsional resistance.

An annular groove 131 is formed in one end, facing the shell 21, of the outer sheath 13, bayonets 311 are respectively formed in two ends of the protective shell 31 in the penetrating direction of the battery cell 11, and the bayonets 311 are adapted to the outer wall of the outer sheath 13; the bayonets 311 at the same end of the two protection shells 31 are opened in opposite directions, and the groove wall of the ring groove 131 is clamped between the two bayonets 311 at the same end of the two protection shells 31. The outer sheath 13 is limited by the ring groove 131, so that the probability that the outer sheath 13 is pulled out to be separated from the protective shell 31 during twisting is reduced, and the using effect is optimized.

Referring to fig. 2 and 3, a connecting sleeve 132 in a tubular shape is fixedly connected to a wall of the annular groove 131, one end of the connecting sleeve 132 is fixedly connected to the annular groove 131, the other end of the connecting sleeve 132 is fixedly connected to outer walls of the two protective cases 31, and the power line 1-shaped connecting sleeve 132 penetrates through the connecting sleeve 132. The connecting sleeve 132 can further limit the distance between the power line 1 and the sheath 3, so that the probability of the power line 1 separating from the sheath 3 in use is reduced, and the performance of resisting torsion is optimized.

A plurality of reinforcing ring grooves 312 are formed in the outer wall of the protective shell 31, and the plurality of reinforcing ring grooves 312 on the same protective shell 31 are distributed along the length direction of the battery cell 11; the reinforcement ring groove 312 on two protecting shells 31 extends along the outer wall of two protecting shells 31 back to one side, and the extending direction of reinforcement ring groove 312 is spiral setting to reinforcement ring groove 312 is isosceles trapezoid shape structure along its extending direction's of perpendicular to cross-section, and reinforcement ring groove 312 is the main aspects opening. That is, the cross section of the reinforcement ring groove 312 has an isosceles trapezoid-shaped structure and the short side thereof is located on the side of the long side thereof facing the center of the armor 31.

When using, strengthening ring groove 312 can further increase the holistic intensity of protective housing 31, reduce and twist reverse the damage to it, strengthening ring groove 312's extending direction is spiral setting simultaneously, can make can be better relatively when twisting and will twist reverse the moment that produces and disperse, and strengthening ring groove 312 is isosceles trapezoid shape structure along the cross-section of its extending direction of perpendicular to, strengthening ring groove 312 is the main aspects opening, can make and form the ring platform that the cross-section is isosceles trapezoid shape structure between the adjacent strengthening ring groove 312, can further increase the intensity of the ring platform that forms between the adjacent strengthening ring groove 312, increase and resist torsional performance.

Referring to fig. 2 and 3, the inner sheath 12 includes an insulating layer 121 made of an insulating material and a reinforcing layer 122 covering an outer wall of the insulating layer 121. The reinforcing layer 122 is made of elastic nylon cloth, the reinforcing layer 122 is partially embedded in the insulating layer 121, and the insulating layer 121 may be a rubber layer or a PVC pipe.

When using, when insulating layer 121 can avoid using, produce the interference between three electric core 11 and lead to the short circuit, enhancement layer 122 can do the protection to insulating layer 121 simultaneously, in order to increase insulating layer 121 and resist torsional ability, reduce the probability that insulating layer 121 is damaged when twisting, simultaneously, enhancement layer 122 is elasticity nylon cloth, has certain fire behaviour and intensity, can effectual increase use for a long time when leading to electric core 11 temperature rise, the intensity of insulating layer 121 itself, in order to increase insulating layer 121 when the temperature is higher relatively, resist torsional performance.

Referring to fig. 2 and 3, the outer sheath 13 includes a weather-resistant layer 133 made of silicon rubber and a protective layer 134 embedded in the weather-resistant layer 133, and the protective layer 134 is an elastic nylon mesh. When the weather-resistant layer 133 is made of silicon rubber, the weather-resistant layer 133 has relatively good high temperature resistance, weather resistance and elasticity, so that when the weather-resistant layer 133 is used, the weather-resistant layer 133 has better weather resistance while having better torsion resistance, and the strength of the silicon rubber is relatively poor, so that the whole strength of the weather-resistant layer 133 can be effectively increased and the probability of damage to the weather-resistant layer 133 caused by external force is reduced by embedding the protective layer 134 in the weather-resistant layer 133.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a resistant interference power cord of waiting, includes power cord (1), connects in plug (2) of power cord (1) and sets up in sheath (3) of power cord (1) and plug (2) connecting portion, its characterized in that: the power line (1) comprises three electric cores (11), three inner sheaths (12) respectively coated on the three electric cores (11) and outer sheaths (13) coated on the three inner sheaths (12), the plug (2) comprises a shell (21) and three pins (22) arranged at the side part of the shell (21), the three pins (22) are respectively connected with the three battery cores (11), the sheath (3) comprises two protective shells (31), a cavity (32) is formed on one opposite side of the two protective shells (31), the three battery cores (11) and the three inner sheaths (12) penetrate through the cavity (32), the electric core (11) and the inner sheath (12) are spirally arranged at the position of the cavity (32), one end of the sheath (3) is clamped on the shell (21) and the section of the sheath clamped on the shell (21) is in an elliptic structure, one end part of the outer sheath (13) is clamped at one end of the two protective shells (31) far away from the plug (2).

2. The weather-resistant and tamper-proof power cord as claimed in claim 1, wherein: the cavity wall of die cavity (32) is provided with a plurality of ka tai (321), and a plurality of ka tai (321) divide into multiunit and multiunit card platform (321) and distribute along power cord (1) length direction, and is in the same group card platform (321) include two card platforms (321) of seting up three open-ended in opposite directions, and are in the same group two card platform (321) fixed connection respectively in two protecting shells (31), it is three inner sheath (12) pass in the opening of two card platforms (321) of the same group respectively.

3. The weather-resistant and tamper-proof power cord as claimed in claim 2, wherein: annular groove (131) have been seted up towards the one end of shell (21) in oversheath (13), bayonet socket (311) have been seted up respectively at both ends that electric core (11) run through the direction in protective case (31), the cell wall card of annular groove (131) is located between two bayonet sockets (311) of two protective cases (31) same end, the cell wall fixedly connected with of annular groove (131) is pipy adapter sleeve (132), the other end fixed connection in two protective cases (31) of adapter sleeve (132), power cord (1) passes from adapter sleeve (132).

4. The weather-resistant and tamper-proof power cord as claimed in claim 3, wherein: the outer wall card of protective case (31) is equipped with a plurality of strengthening ring grooves (312), strengthen the outer wall setting that ring groove (312) encircle protective case (31), the extending direction of strengthening ring groove (312) is spiral setting, the cross-section of strengthening ring groove (312) is isosceles trapezoid shape structure and its minor face is located the center one side of its long limit orientation protective case (31).

5. The weather-resistant and tamper-proof power cord as claimed in claim 4, wherein: the battery core (11) is a multi-core stranded wire.

6. The weather-resistant and tamper-proof power cord as claimed in claim 5, wherein: the inner sheath (12) comprises an insulating layer (121) made of insulating materials and a reinforcing layer (122) coated on the outer wall of the insulating layer (121).

7. The weather-resistant and tamper-proof power cord as claimed in claim 6, wherein: the reinforcing layer (122) is elastic nylon mesh cloth, and the reinforcing layer (122) is partially embedded in the insulating layer (121).

8. The weather-resistant and tamper-proof power cord as claimed in claim 7, wherein: the outer sheath (13) comprises a weather-resistant layer (133) made of silicon rubber and a protective layer (134) embedded in the weather-resistant layer (133), and the protective layer (134) is an elastic nylon net.

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