CN210535911U - High-voltage connecting wire for high-voltage box end of electric automobile - Google Patents

Abstract

The utility model discloses a high-voltage connection line for electric automobile high pressure box end, concretely relates to electric automobile connecting line field, including connecting wire, connecting wire's two lateral walls evenly are provided with spacing draw-in groove, connecting wire's outside has cup jointed first rubber sleeve near one side of high-pressure box connection port, the outside of first rubber sleeve is provided with the rubber guard ring, rubber guard ring and first rubber sleeve fixed connection, the outside position department that the inner wall of first rubber sleeve corresponds spacing draw-in groove is provided with spacing calorie of strip, connecting wire comprises insulating sleeve, corrosion-resistant layer, shielding layer, the fire-retardant layer of PVC and sinle silk, the insulating sleeve sets up outmost at connecting wire. The utility model discloses effectual dustproof and protection processing of connecting port department in the use, avoid the junction to take place to roll over the phenomenon that decreases and other positions are impaired to cause the electric leakage, improved the security performance.

Description

High-voltage connecting wire for high-voltage box end of electric automobile

Technical Field

The utility model relates to an electric automobile connecting wire field, more specifically say, the utility model relates to a high-voltage connecting wire for electric automobile high-pressure box end.

Background

With the progress of science and technology, the automobile manufacturing industry is along with the trend of technical innovation once and again, the new electric energy automobile appears in the field of view of the masses, the electric automobile is based on the design principle of low energy consumption, low emission and low pollution, the electric automobile is loved by consumers once appearing, the high-voltage distribution box of the electric automobile is one of important components in the electric automobile, the performance characteristics of the industrial high-voltage distribution box are used, the safety and reliability of the internal electrification of the electric automobile are ensured, and the high-voltage connecting wire used for connecting the high-voltage distribution box and each component of the electric automobile is also particularly important.

Through retrieval, Chinese utility model patent with publication number CN 208622455U discloses a high-voltage connecting wire for high-voltage box ends of electric vehicles, which comprises two anode cables and cathode cables with equal length, both ends of the anode cables and the cathode cables are provided with wiring connecting terminals, the anode cables and the cathode cables have the same internal structure and comprise wires, the outer parts of the wires are wrapped with insulating layers, the outer parts of the insulating layers are wrapped with signal shielding layers, the outer parts of the signal shielding layers are wrapped with protective layers, the outer parts of the anode cables and the cathode cables are both sleeved with corrugated pipes, the connecting terminals at both ends of the anode cables and the cathode cables are both provided with anode jacks and cathode jacks, the anode jacks are communicated with the anode cables and the cathode jacks are communicated with the cathode cables, the connecting wire for high-voltage box ends of electric vehicles of the design separately arranges the cables at the positive level and the negative level, once one of the anode cables or, whole high-voltage connecting wire no longer switches on, prevents to take place the electric leakage after damaging the connecting wire because of high-voltage current and etc. cause the incident, whole pencil structure safe and reliable.

However, when the connecting wire of the patent is actually used, the connecting wire at the joint of the connecting port of the high-voltage distribution box cannot be effectively subjected to dustproof and protective treatment, and the phenomenon of electric leakage caused by breakage is very easy to occur.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a high-voltage connection line for electric automobile high-pressure box end, effectually prevent dust and protect the processing to connection port department in the use, avoids the junction to easily take place the breakage and causes electric leakage phenomenon, has improved the security performance to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-voltage connecting wire for a high-voltage box end of an electric automobile comprises a connecting wire, wherein two outer side walls of the connecting wire are uniformly provided with limiting clamping grooves, a first rubber sleeve is sleeved on one side, close to a connecting port of the high-voltage box, of the outer portion of the connecting wire, a rubber protecting ring is arranged on the outer portion of the first rubber sleeve and fixedly connected with the first rubber sleeve, a limiting clamping strip is arranged on the position, corresponding to the outer portion of the limiting clamping groove, of the inner wall of the first rubber sleeve, a connecting wire is composed of an insulating sleeve, an anti-corrosion layer, a shielding layer, a PVC flame-retardant layer and a wire core, the insulating sleeve is arranged on the outermost layer of the connecting wire, the anti-corrosion layer is arranged on the inner side of the insulating sleeve, the shielding layer is arranged on the inner side of the anti-corrosion layer, the PVC flame-retardant layer is arranged;

the outside of connecting wire is located one side of rubber guard ring and has cup jointed two second rubber sleeves at least, every the top of second rubber sleeve all is connected with the plastics screw.

In a preferred embodiment, the limiting clamping strip and the limiting clamping groove are both arc-shaped structures, and the depth of the limiting clamping groove is greater than the width of the limiting clamping strip.

In a preferred embodiment, the first rubber sleeve has a vertical section inner diameter larger than a vertical section outer diameter of the connecting lead.

In a preferred embodiment, the rubber protective ring is adhesively connected to the first rubber sleeve by means of a hot melt adhesive.

In a preferred embodiment, the corrosion-resistant layer is a member of polytetrafluoroethylene.

In a preferred embodiment, the second rubber sleeve has a vertical section inner diameter larger than a vertical section outer diameter of the connecting lead.

In a preferred embodiment, a position limiting ring is arranged at the top of the second rubber sleeve corresponding to the outer position of the screw rod of the plastic screw, and an internal thread is arranged on the inner wall of the position limiting ring.

In a preferred embodiment, a through hole is formed at the top of the second rubber sleeve at a position corresponding to the inner side of the limiting ring.

The utility model discloses a technological effect and advantage:

1. the limiting clamping grooves are uniformly formed in the two outer side walls of the insulating sleeve on the outermost layer of the connecting wire, the first rubber sleeve is sleeved on one side, close to the connecting port of the high-voltage box, of the outer portion of the connecting wire, the rubber protecting ring is arranged on the outer portion of the first rubber sleeve, and the limiting clamping strip made of rubber is arranged on the position, corresponding to the outer portion of the limiting clamping groove, of the inner wall of the first rubber sleeve. The phenomenon of electric leakage caused by easy breakage at the joint is avoided, and the safety performance is improved;

2. one side that lies in the rubber guard ring through the outside at connecting wire has cup jointed two second rubber sleeves at least, the top of every second rubber sleeve all is connected with the plastics screw, because the wire can be bent at certain position unavoidably in the use, the phenomenon that the sinle silk exposes and leads to the electric leakage all easily appears after bending is serious sometimes or certain part is impaired, through not hard up the plastics screw that is close to the impaired department of connecting wire, and drag the second rubber sleeve to the outside back of impaired department, screw up the plastics screw, improve the compactness between second rubber sleeve and the connecting wire, compare with prior art, effectual sinle silk to impaired department protects in the use, further improvement the security performance when using.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the connection structure between the middle connection wire and the external high-voltage box of the present invention.

Fig. 3 is a schematic view of the connection structure of the middle rubber protection ring and the first rubber sleeve of the present invention.

Fig. 4 is a front view of the middle rubber protection ring of the present invention after being connected with the first rubber sleeve.

Fig. 5 is a schematic view of the internal structure of the connecting wire of the present invention.

The reference signs are: 1 connecting wire, 2 spacing draw-in grooves, 3 first rubber sleeves, 4 rubber guard rings, 5 second rubber sleeves, 6 plastic screws, 7 spacing calorie of strips, 8 insulating bushes, 9 corrosion-resistant layers, 10 shielding layers, 11 fire-retardant layers of PVC, 12 sinle silks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, the utility model provides a high-voltage connection line for high-voltage box end of electric vehicle, which comprises a connection lead 1, wherein two outer side walls of the connection lead 1 are uniformly provided with limiting clamping grooves 2, one side of the outside of the connection lead 1, which is close to the connection port of the high-voltage box, is sleeved with a first rubber sleeve 3, the outside of the first rubber sleeve 3 is provided with a rubber protection ring 4, the rubber protection ring 4 is fixedly connected with the first rubber sleeve 3, a limiting clamping strip 7 is arranged on the inner wall of the first rubber sleeve 3, which corresponds to the external position of the limiting clamping groove 2, the connection lead 1 is composed of an insulation sleeve 8, an anti-corrosion layer 9, a shielding layer 10, a PVC flame-retardant layer 11 and a wire core 12, the insulation sleeve 8 is arranged on the outermost layer of the connection lead 1, the inner side of the insulation sleeve 8 is provided with the anti-corrosion layer 9, the inner side of, the inner side of the shielding layer 10 is provided with a PVC flame-retardant layer 11, the inner side of the PVC flame-retardant layer 11 is provided with a wire core 12, the limiting clamping strip 7 and the limiting clamping groove 2 are both arc-shaped structures, the depth of the limiting clamping groove 2 is greater than the width of the limiting clamping strip 7, the inner diameter of the vertical section of the first rubber sleeve 3 is greater than the outer diameter of the vertical section of the connecting wire 1, the rubber protective ring 4 and the first rubber sleeve 3 are connected through hot melt adhesive bonding, and the corrosion-resistant layer 9 is a component made of polytetrafluoroethylene;

the implementation mode is specifically as follows: the connecting lead 1 consists of an insulating sleeve 8, an anti-corrosion layer 9, a shielding layer 10, a PVC flame-retardant layer 11 and a wire core 12, the insulating sleeve 8 is arranged on the outermost layer of the connecting lead 1, the anti-corrosion layer 9 is arranged on the inner side of the insulating sleeve 8, the anti-corrosion layer 9 is a component made of polytetrafluoroethylene, the shielding layer 10 is arranged on the inner side of the anti-corrosion layer 9, the PVC flame-retardant layer 11 is arranged on the inner side of the shielding layer 10, the wire core 12 is arranged on the inner side of the PVC flame-retardant layer 11, limiting clamping grooves 2 are uniformly arranged on two outer side walls of the insulating sleeve 8 on the outermost layer of the connecting lead 1, a first rubber sleeve 3 is sleeved on one side, close to a high-voltage box connecting port, of the outside of the connecting lead 1, a rubber protective ring 4 is arranged on the outside of the first rubber sleeve 3, the rubber protective ring 4 is connected with the first rubber sleeve 3 through hot melt adhesive, and a limiting clamping strip 7 made of rubber, spacing card strip 7 and spacing draw-in groove 2 all are the arc structure, the degree of depth of spacing draw-in groove 2 is greater than the width of spacing card strip 7, in the use, connect the electrical terminal access outside high-pressure box back with connecting wire 1, because spacing card strip 7 is the rubber material, the operator can pull out spacing card strip 7 from spacing draw-in groove 2's inside through stirring the position of first rubber sleeve 3, and then the inside length that conveniently stretches into the high-pressure box according to connecting wire 1 actual need is adjusted the position of first rubber sleeve 3 and rubber guard ring 4, and then effectual dustproof and protection processing is carried out to connecting port department in the use, avoid the junction easily to take place to roll over and lose and cause electric leakage phenomenon, the security performance is improved, the dustproof effect of connecting port department that exists among the prior art is not good specifically solved to this embodiment, and easily take place to roll over the problem that the loss caused the electric leakage.

As shown in fig. 1-2, at least two second rubber sleeves 5 are sleeved on one side of a rubber guard ring 4 outside the connecting wire 1, a plastic screw 6 is connected to the top of each second rubber sleeve 5, the inner diameter of the vertical section of each second rubber sleeve 5 is larger than the outer diameter of the vertical section of the connecting wire 1, a limiting ring is arranged at the position of the top of each second rubber sleeve 5 corresponding to the outer position of a screw of the plastic screw 6, an internal thread is arranged on the inner wall of the limiting ring, and a through hole is arranged at the position of the top of each second rubber sleeve 5 corresponding to the inner side of the limiting ring;

the implementation mode is specifically as follows: at least two second rubber sleeves 5 are sleeved on one side of a rubber protective ring 4 outside a connecting lead 1, a plastic screw 6 is connected to the top of each second rubber sleeve 5, the inner diameter of the vertical section of each second rubber sleeve 5 is larger than the outer diameter of the vertical section of the connecting lead 1, a limiting ring is arranged at the top of each second rubber sleeve 5 corresponding to the outer position of a screw rod of the plastic screw 6, an internal thread is arranged on the inner wall of the limiting ring, a through hole is arranged at the top of each second rubber sleeve 5 corresponding to the inner side of the limiting ring, the lead is inevitably bent at a certain position in the using process, a phenomenon of electric leakage caused by the exposure of a wire core 12 is easily caused after the lead is bent seriously or the certain part is damaged, the plastic screw 6 close to the damaged part of the connecting lead 1 is loosened, the plastic screw 6 is dragged to the outside of the damaged part, the plastic screw 6 is screwed, and the tightness between the second rubber sleeves 5 and the connecting lead 1 is improved, and then effectual sinle silk 12 to the damage department protects in the use, further the security performance when using has been improved, and this embodiment has specifically solved the problem that the certain part of connecting wire 1 that exists among the prior art appears impaired and causes sinle silk 12 to leak outward, leads to the security performance not good.

The utility model discloses the theory of operation:

referring to the attached drawings 1-5 of the specification, through uniformly arranging the limiting clamping grooves 2 on two outer side walls of the insulating sleeve 8 on the outermost layer of the connecting lead 1, sleeving the first rubber sleeve 3 on one side, close to the connecting port of the high-voltage box, of the outer part of the connecting lead 1, arranging the rubber protective ring 4 on the outer part of the first rubber sleeve 3, and arranging the limiting clamping strips 7 made of rubber materials on the inner wall of the first rubber sleeve 3 corresponding to the outer positions of the limiting clamping grooves 2, in the using process, after the electric connection end of the connecting lead 1 is connected into the external high-voltage box, because the limiting clamping strips 7 are made of rubber materials, an operator can pull the limiting clamping strips 7 out from the inner part of the limiting clamping grooves 2 by shifting the position of the first rubber sleeve 3, so as to conveniently adjust the positions of the first rubber sleeve 3 and the rubber protective ring 4 according to the actual length of the connecting lead 1 extending into the high-voltage box, and further effectively perform dustproof and protective treatment, the phenomenon of electric leakage caused by easy breakage at the joint is avoided, and the safety performance is improved;

referring to the attached drawings 1-2 of the specification, at least two second rubber sleeves 5 are sleeved on one side, located on a rubber protection ring 4, of the outside of a connecting wire 1, a plastic screw 6 is connected to the top of each second rubber sleeve 5, the wire can be inevitably bent at a certain position in the using process, the phenomenon that a wire core 12 is exposed to cause electric leakage is easy to occur after the wire core is bent seriously or a certain part is damaged sometimes, the plastic screw 6 close to the damaged part of the connecting wire 1 is loosened, the plastic screw 6 is screwed after the second rubber sleeves 5 are dragged to the outside of the damaged part, the tightness between the second rubber sleeves 5 and the connecting wire 1 is improved, the damaged wire core 12 is effectively protected in the using process, and the safety performance in the using process is further improved.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a high-voltage connection line for electric automobile high pressure box end, includes connecting wire (1), its characterized in that: the high-voltage box is characterized in that two outer side walls of the connecting wire (1) are uniformly provided with limiting clamping grooves (2), one side, close to a high-voltage box connecting port, of the outside of the connecting wire (1) is sleeved with a first rubber sleeve (3), the outside of the first rubber sleeve (3) is provided with a rubber protecting ring (4), the rubber protecting ring (4) is fixedly connected with the first rubber sleeve (3), a limiting clamping strip (7) is arranged at the position, corresponding to the external position of the limiting clamping groove (2), of the inner wall of the first rubber sleeve (3), the connecting wire (1) is composed of an insulating sleeve (8), an anti-corrosion layer (9), a shielding layer (10), a PVC flame-retardant layer (11) and a wire core (12), the insulating sleeve (8) is arranged on the outermost layer of the connecting wire (1), the inner side of the insulating sleeve (8) is provided with the anti-corrosion layer (9), the inner side of the anti-corrosion layer (9, a PVC flame-retardant layer (11) is arranged on the inner side of the shielding layer (10), and a wire core (12) is arranged on the inner side of the PVC flame-retardant layer (11);

one side of the outside of the connecting wire (1) which is positioned on the rubber protective ring (4) is at least sleeved with two second rubber sleeves (5), and the top of each second rubber sleeve (5) is connected with a plastic screw (6).

2. The high-voltage connecting wire for the high-voltage box end of the electric automobile according to claim 1, characterized in that: spacing card strip (7) and spacing draw-in groove (2) all are the arc structure, the degree of depth of spacing draw-in groove (2) is greater than the width of spacing card strip (7).

3. The high-voltage connecting wire for the high-voltage box end of the electric automobile according to claim 1, characterized in that: the inner diameter of the vertical section of the first rubber sleeve (3) is larger than the outer diameter of the vertical section of the connecting lead (1).

4. The high-voltage connecting wire for the high-voltage box end of the electric automobile according to claim 1, characterized in that: the rubber protective ring (4) is bonded with the first rubber sleeve (3) through hot melt adhesive.

5. The high-voltage connecting wire for the high-voltage box end of the electric automobile according to claim 1, characterized in that: the corrosion-resistant layer (9) is a component made of polytetrafluoroethylene.

6. The high-voltage connecting wire for the high-voltage box end of the electric automobile according to claim 1, characterized in that: the inner diameter of the vertical section of the second rubber sleeve (5) is larger than the outer diameter of the vertical section of the connecting lead (1).

7. The high-voltage connecting wire for the high-voltage box end of the electric automobile according to claim 1, characterized in that: the top of the second rubber sleeve (5) is provided with a limiting ring corresponding to the outer position of the screw rod of the plastic screw (6), and the inner wall of the limiting ring is provided with internal threads.

8. The high-voltage connecting wire for the high-voltage box end of the electric automobile according to claim 7, characterized in that: and a through hole is formed in the position, corresponding to the inner side of the limiting ring, of the top of the second rubber sleeve (5).

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