CN211062963U

CN211062963U - Novel single-core high-voltage plug

Info

Publication number: CN211062963U
Application number: CN201922376084.XU
Authority: CN
Inventors: 黄文娟; 韩中国; 陈维佳
Original assignee: Shanghai Co Fly Electronics Technology Co ltd
Current assignee: Shanghai Co Fly Electronics Technology Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-07-21
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a novel single-core high-voltage plug, which comprises a high-voltage contact pin shell, a touch-proof cover, a high-voltage contact pin, a contact pin fixing shell, a silica gel O ring, a fixed middle sleeve, an elastic retainer ring, a shielding conduction ring, a shielding compression ring inner ring, a shielding compression ring outer ring, a thin gasket, a wire sealing body, a tail cap and a high-voltage cable, and the novel single-core high-voltage plug has the advantages of simple structure, low manufacturing cost, good equipment reliability and suitability for large-scale popularization and application; the anti-touch cover is arranged at the front end of the high-voltage contact pin, so that the fingers of an operator can be prevented from touching the high-voltage contact pin, the safety of the operator is ensured, and the anti-rotation effect of the high-voltage contact pin can be well achieved through the design of the outer groove and the inner boss of the contact pin fixing shell; through set up the line ball hole at high-voltage contact pin afterbody, can realize the outside crimping of high-voltage line, avoid the emergence of traditional welding rosin joint phenomenon, improve product quality.

Description

Novel single-core high-voltage plug

Technical Field

The utility model relates to a quick plug contact of new forms of energy specifically is a novel single core high-voltage plug

Background

The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure. Most of the existing new energy automobiles are pure electric automobiles, the automobiles adopt a single storage battery as an energy storage power source, the storage battery is used as the energy storage power source, electric energy is provided for a motor through the battery, the motor is driven to run, and therefore the automobiles are pushed to run.

With the rapid development of new energy automobiles in recent years, the usage amount of the rapid plugging connector is larger and larger, the variety demand is richer and richer, the existing rapid plugging connector cannot meet the use requirement of modern industry, the existing rapid plugging connector is often easily damaged in multiple plugging, the problems of electric leakage and the like can be caused, and the reliability is lower.

Therefore, need a novel single core high voltage plug, realize realizing quick butt joint to charging device, improve safe availability factor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel single core high voltage plug to solve the problem that proposes among the above-mentioned background art.

For realizing the purpose of the utility model, the technical proposal adopted is that: a novel single-core high-voltage plug comprises a high-voltage contact pin outer shell, a touch-proof cover, a high-voltage contact pin, a contact pin fixing shell, a silica gel O ring, a fixed middle sleeve, an elastic retainer ring, a shielding conduction ring, a shielding compression ring inner ring, a shielding compression ring outer ring, a thin gasket, a wire sealing body, a tail cap and a high-voltage cable, wherein the center of the novel single-core high-voltage plug is provided with the high-voltage contact pin, the touch-proof cover is arranged at the front end of the high-voltage contact pin and connected with the high-voltage contact pin through a barb joint, the contact pin fixing shell is wrapped outside the rear part of the high-voltage contact pin, the excircle of the contact pin fixing shell is provided with a strip-shaped groove, the inner circle of the high-voltage contact pin outer shell is provided with a convex key, the strip-shaped groove of the excircle of the contact pin fixing shell is matched with the convex, the outer side boss of the high-voltage contact pin is provided with a notch, the boss of the contact pin fixing shell is matched with the notch of the boss of the high-voltage contact pin, the high-voltage contact pin is fixed on the contact pin fixing shell through the notch of the boss of the contact pin fixing shell and the notch of the boss of the high-voltage contact pin, the tail part of the contact pin fixing shell is connected with a fixed intermediate sleeve, the fixed intermediate sleeve is fixed on the contact pin fixing shell and the high-voltage contact pin, an elastic check ring is arranged on an annular groove at the tail part of the fixed intermediate sleeve, a shielding conduction ring is arranged at the rear part of the fixed intermediate sleeve and is connected with the high-voltage contact pin shell and a shielding compression ring outer ring, a shielding compression ring inner ring is arranged at the inner side of the shielding compression ring outer ring, a shielding layer of the high-voltage cable can penetrate through the, and a wire sealing body is arranged behind the thin gasket, the inner ring of the wire sealing body is sleeved on the high-voltage cable, the outer ring of the wire sealing body is contacted with the tail part of the high-voltage contact pin shell, and a tail cap is arranged on the outer side of the wire sealing body.

Preferably, the tail part of the high-voltage contact pin is provided with a wire pressing hole.

Preferably, the elastic check ring is a round shape with a notch, and the outer circle side of the elastic check ring is provided with an inclined plane.

Preferably, the front end of the fixed middle sleeve is provided with an eight-tooth claw.

Preferably, the outer circle of the front section of the high-voltage pin shell is provided with two concave keys, and an angle is formed between the concave keys, and the angle can be inserted only when the key positions of the plug-in units are completely aligned.

Preferably, the shielding conducting ring is provided with six elastic claws and is connected with the outer ring of the shielding pressing ring.

Preferably, the wire sealing body is made of silicon rubber.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the novel single-core high-voltage plug is simple in structure, low in manufacturing cost, good in equipment reliability and suitable for large-scale popularization and application.

2. Prevent touching the lid through setting up at high-pressure contact pin front end, can prevent that operating personnel from pointing to touch high-pressure contact pin, ensure staff's safety, through the outside recess and the inside boss design of contact pin set casing, the effect that plays high-pressure contact pin stall that can be fine.

3. Through set up the line ball hole at high-voltage contact pin afterbody, can realize the outside crimping of high-voltage line, avoid the emergence of traditional welding rosin joint phenomenon, improve product quality.

Drawings

FIG. 1 is a sectional structure diagram of the novel single-core high-voltage plug;

FIG. 2 is a structural diagram of the appearance of the novel single-core high-voltage plug;

in the figure: 1. the high-voltage contact pin comprises a high-voltage contact pin shell 2, a touch-proof cover 3, a high-voltage contact pin 4, a contact pin fixing shell 5, a silica gel O ring 6, a fixing intermediate sleeve 7, an elastic retainer ring 8, a shielding conducting ring 9, a shielding pressing ring outer ring 10, a shielding pressing ring inner ring 11, a thin gasket 12, a wire sealing body 13, a tail cap 14 and a high-voltage cable.

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.

In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or state relationships based on the orientations or state relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that a designated mechanism or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The above terms have the specific meaning in the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a novel single-core high-voltage plug comprises a high-voltage pin outer shell 1, a touch-proof cover 2, a high-voltage pin 3, a pin fixing shell 4, a silica gel O ring 5, a fixed middle sleeve 6, an elastic retainer ring 7, a shielding conduction ring 8, a shielding compression ring inner ring 10, a shielding compression ring outer ring 9, a thin gasket 11, a wire sealing body 12, a tail cap 13 and a high-voltage cable 14, wherein the center of the novel single-core high-voltage plug is the high-voltage pin 3, the touch-proof cover 2 is arranged at the front end of the high-voltage pin 3, the touch-proof cover 2 is connected with the high-voltage pin 3 through a barb joint, the pin fixing shell 4 is wrapped outside the rear part of the high-voltage pin 3, a strip-shaped groove is arranged on the excircle of the pin fixing shell 4, a convex key is arranged on the inner circle of the high-voltage pin outer shell 1, the strip-shaped groove on the excircle of the pin fixing shell 4 is matched with the convex, the plane is provided with a boss inside the contact pin fixing shell 4, the boss outside the high-voltage contact pin 3 is provided with a notch, the boss of the contact pin fixing shell 4 is matched with the notch of the boss of the high-voltage contact pin 3, the high-voltage contact pin 3 is fixed on the contact pin fixing shell 4 through the boss of the contact pin fixing shell 4 and the notch of the boss of the high-voltage contact pin 3, the tail part of the contact pin fixing shell 4 is connected with a fixed intermediate sleeve 6, the fixed intermediate sleeve 6 is used for fixing the contact pin fixing shell 4 and the high-voltage contact pin 3, an elastic retainer ring 7 is arranged on an annular groove at the tail part of the fixed intermediate sleeve 6, a shielding conduction ring 8 is arranged behind the fixed intermediate sleeve 6, the shielding conduction ring 8 is connected with a high-voltage contact pin shell 1 and a shielding compression ring outer ring 9, a shielding compression ring 10 is arranged inside the shielding compression ring outer, the method comprises the following steps that a shielding compression ring outer ring 9 is subjected to compression joint, a thin gasket 11 is arranged behind a shielding conduction ring 8, the thin gasket 11 is connected with a high-voltage pin shell 1, a wire sealing body 12 is arranged behind the thin gasket 11, an inner ring of the wire sealing body 12 is sleeved on a high-voltage cable, an outer ring of the wire sealing body 12 is in contact with the tail of the high-voltage pin shell 1, and a tail cap 13 is arranged on the outer side of the wire sealing body 12; the tail part of the high-voltage contact pin 3 is provided with a wire pressing hole; the elastic check ring 7 is in a round shape with a gap, and the side edge of the excircle of the elastic check ring 7 is provided with an inclined plane; the front end of the fixed middle sleeve 6 is provided with an eight-tooth claw; two concave keys are arranged on the excircle of the front section of the high-voltage contact pin shell 1, and an angle is formed between the concave keys and can be inserted only when the key positions of the plug-in units are completely aligned; the shielding conducting ring 8 is provided with six elastic claws and is connected with the shielding compression ring outer ring 9; the wire sealing body 12 is made of silicon rubber.

The working principle is as follows: when the welding tool is used, the anti-touch cover 2 is arranged at the front end of the high-voltage contact pin 3, the anti-touch cover 2 can prevent fingers from touching the high-voltage contact pin 3, the anti-touch cover 2 and the high-voltage contact pin 3 are tightly connected together through barbs, safety and reliability are realized, and due to the pressure wire holes at the tail part of the high-voltage contact pin 3, external pressure welding of a high-voltage wire can be realized, and the traditional welding rosin joint phenomenon is avoided; a pin fixing shell 4 is arranged on the outer side of the high-voltage pin 3, the outer part of the pin fixing shell 4 is fixed with the high-voltage pin shell 1, a strip-shaped groove is formed in the excircle of the pin fixing shell 4 and matched with a convex key on the high-voltage pin shell 1 to play a role in rotation stopping, and a boss is arranged on the inner plane of the pin fixing shell 4 and matched with a notch on the boss of the high-voltage pin 3 to play a role in rotation stopping of the high-voltage pin 3; the elastic check ring 7 is arranged on the annular groove at the tail part of the fixed middle sleeve 6, the elastic check ring 7 is circular and provided with a notch, the side edge of the excircle of the check ring is provided with an inclined surface for contraction, the fixed middle sleeve 6 and the elastic check ring 7 move simultaneously, when the fixed middle sleeve 6 reaches a position, the elastic check ring 7 is released to a normal state, and the fixed middle sleeve 6 is fixed in the high-pressure contact pin shell 1; the front end of the fixed middle sleeve 6 is provided with a tooth-shaped claw which has elasticity and can be retracted after being unfolded, and when the high-voltage contact pin 3 is assembled, the high-voltage contact pin 3 is inserted from the tail part and is fixed by the tooth-shaped claw against the step on the high-voltage contact pin 3; two concave keys are arranged on the excircle of the front section of the high-voltage contact pin shell 1, the two concave keys form an angle, and the high-voltage contact pin can be inserted only when the key positions of the plug-in are completely aligned, so that the function of position error prevention is achieved; the thin gasket 11 is arranged behind the shielding conducting ring 8 and connected with the high-voltage contact pin shell 1, so that the shielding effect of the high-voltage cable is more stable; the inner ring of the wire sealing body 12 is sleeved on the high-voltage cable 14, and the outer ring is contacted with the tail part of the high-voltage contact pin shell 1 to form an extrusion state, so that the waterproof effect can be achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel single-core high-voltage plug comprises a high-voltage pin outer shell (1), a touch-proof cover (2), a high-voltage pin (3), a pin fixing shell (4), a silica gel O ring (5), a fixing middle sleeve (6), an elastic retainer ring (7), a shielding conduction ring (8), a shielding compression ring inner ring (10), a shielding compression ring outer ring (9), a thin gasket (11), a wire sealing body (12), a tail cap (13) and a high-voltage cable (14), wherein the center of the novel single-core high-voltage plug is the high-voltage pin (3), the front end of the high-voltage pin (3) is provided with the touch-proof cover (2), the touch-proof cover (2) is connected with the high-voltage pin (3) through a barb joint, the pin fixing shell (4) is wrapped outside the rear of the high-voltage pin (3), the excircle of the pin fixing shell (4) is provided with a strip-shaped groove, the inner circle, and the long strip-shaped groove of the excircle of the pin fixing shell (4) is matched with the convex key of the inner circle of the high-pressure pin shell (1), the pin fixing shell (4) is fixed with the high-pressure pin shell (1) through the groove, the inner plane of the pin fixing shell (4) is provided with a boss, the boss on the outer side of the high-pressure pin (3) is provided with a notch, the boss of the pin fixing shell (4) is matched with the notch of the boss of the high-pressure pin (3), the high-pressure pin (3) is fixed on the pin fixing shell (4) through the boss of the pin fixing shell (4) and the notch of the boss of the high-pressure pin (3), the tail part of the pin fixing shell (4) is connected with a fixed middle sleeve (6), the fixed middle sleeve (6) is used for fixing the pin fixing shell (4) and the high-pressure pin (3), an elastic retainer ring (7) is, a shielding conducting ring (8) is arranged behind the fixed middle sleeve (6), the shielding conducting ring (8) is connected with the high-voltage contact pin shell (1) and the shielding press ring outer ring (9), the inner side of the shielding press ring outer ring (9) is provided with a shielding press ring inner ring (10), the shielding layer of the high-voltage cable (14) can penetrate through the shielding press ring outer ring (9) and the shielding press ring inner ring (10), the outer ring (9) of the shielding compression ring is pressed, a shim (11) is arranged behind the shielding conduction ring (8), the shim (11) is connected with the high-voltage pin shell (1), a wire sealing body (12) is arranged behind the shim (11), the inner ring of the wire sealing body (12) is sleeved on the high-voltage cable, the outer ring of the wire sealing body (12) is in contact with the tail of the high-voltage contact pin shell (1), and a tail cap (13) is arranged on the outer side of the wire sealing body (12).

2. A novel single core high voltage plug according to claim 1, characterized in that: and the tail part of the high-voltage contact pin (3) is provided with a wire pressing hole.

3. A novel single core high voltage plug according to claim 1, characterized in that: the elastic check ring (7) is in a round shape with a notch, and the outer circle side of the elastic check ring (7) is provided with an inclined plane.

4. A novel single core high voltage plug according to claim 1, characterized in that: the front end of the fixed middle sleeve (6) is provided with an eight-tooth claw.

5. A novel single core high voltage plug according to claim 1, characterized in that: two concave keys are arranged on the excircle of the front section of the high-voltage contact pin shell (1), an angle is formed between the concave keys, and the angle can be inserted only when the key positions of the plug-in units are completely aligned.

6. A novel single core high voltage plug according to claim 1, characterized in that: the shielding conducting ring (8) is provided with six elastic claws and is connected with the shielding pressing ring outer ring (9).

7. A novel single core high voltage plug according to claim 1, characterized in that: the wire sealing body (12) is made of silicon rubber.