CN211377058U - Plug and new energy automobile charging device - Google Patents

Abstract

The utility model relates to an electromechanical technical field discloses a plug and new energy automobile charging device. The plug includes: the main body is provided with a terminal hole; the terminal is arranged in the terminal hole, and a first sealing element is arranged between the terminal and the inner side wall of the terminal hole; the rear cover is inserted in the main body, the terminal is arranged in the rear cover, and a second sealing element is arranged between the rear cover and the main body; and the outer die is sleeved outside the rear cover and is respectively bonded with the main body and the rear cover. The utility model provides a plug sets up the sealing member between main part and back lid, terminal and main part, and the external mold bonds with back lid and main part, makes the plug have better sealed effect, has improved its dustproof and waterproof's performance, and makes the plug can reach IP 67's dustproof and waterproof effect.

Description

Plug and new energy automobile charging device

Technical Field

The utility model relates to an electromechanical technical field especially relates to a plug and new energy automobile charging device.

Background

The IEC60309 plug is often used to large-scale equipment such as steel smelting plant, electric power engineering, construction, mine exploitation, electron device, has higher requirement to this type of plug, for example dustproof waterproof requirement etc.. The existing conventional plug can not meet the requirements of dust prevention and water prevention, and the dust prevention and water prevention effect can be achieved only after the plug is plugged with the female socket. At present, the performance requirement and the safety requirement for a plug for a new energy automobile are higher and higher, and whether the influence of different environmental factors on a power supply device can cause personal injury to a user or not needs to be considered. Therefore, a plug is needed to achieve the purpose of dust and water prevention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plug and new energy automobile charging device has improved its dustproof and waterproof's performance, and makes the plug can reach IP 67's dustproof and waterproof effect.

To achieve the purpose, the utility model adopts the following technical proposal:

a plug, comprising:

the terminal comprises a main body, a terminal hole and a terminal body, wherein the main body is provided with the terminal hole;

the terminal is arranged in the terminal hole, and a first sealing element is arranged between the terminal and the inner side wall of the terminal hole;

the rear cover is inserted in the main body, the terminal is arranged in the rear cover, and a second sealing element is arranged between the rear cover and the main body;

and the outer die is sleeved on the outer side of the rear cover and is respectively bonded with the main body and the rear cover.

Preferably, the outer side of the terminal is circumferentially provided with a first groove, the first sealing member is arranged in the first groove, and the first sealing member is abutted against the inner side wall of the terminal hole.

Preferably, the first seal is a rubber seal.

Preferably, the main part with the one end of back lid grafting is equipped with the boss, the lateral wall of boss is equipped with the second recess along circumference, the second sealing member set up in the second recess, and make the second sealing member with the inside wall butt of back lid.

Preferably, the second seal is a rubber seal.

Preferably, the rear cover is connected with the main body in a clamping mode.

Preferably, one end of the rear cover is circumferentially provided with a plurality of hooks, and the main body is provided with a clamping groove in fit connection with the hooks.

Preferably, the main body and the rear cover are both made of nylon materials.

Preferably, the outer mold is made of a plastic material, and the outer mold has elasticity.

A new energy automobile charging device comprises the plug.

The utility model has the advantages that: the utility model provides a plug sets up the sealing member between main part and back lid, terminal and main part, and the external mold bonds with back lid and main part, makes the plug have better sealed effect, has improved its dustproof and waterproof's performance, and makes the plug can reach IP 67's dustproof and waterproof effect.

Drawings

Fig. 1 is a schematic structural diagram of a plug provided in an embodiment of the present invention;

fig. 2 is an exploded view of a plug provided by an embodiment of the present invention;

fig. 3 is a cross-sectional view of a plug provided by an embodiment of the present invention;

FIG. 4 is an enlarged schematic view at A of FIG. 3;

fig. 5 is an enlarged schematic view at B of fig. 3.

In the figure:

1. a main body; 11. a terminal hole; 12. the boss 13, the second groove 14 and the convex edge;

2. a terminal; 21. a first groove;

3. a first seal member;

4. a rear cover;

5. a second seal member;

6. and (7) outer molding.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The conventional plug can not meet the requirements of dust prevention and water prevention in the prior art, and the dust prevention and water prevention effect can be achieved only after the plug is plugged with the female socket. Especially, the performance requirement and the safety requirement of the IEC60309 plug for the new energy automobile are higher and higher, and whether the influence of different environmental factors on the power supply device can cause personal injury to the user or not needs to be considered. Accordingly, the present embodiment provides a plug to solve the above-mentioned problems.

Specifically, as shown in fig. 1 and fig. 2, the plug provided in this embodiment includes a main body 1, a terminal 2, a rear cover 4 and an outer mold 6, a terminal hole 11 is formed in the main body 1, the terminal 2 is installed in the terminal hole 11, a first sealing member 3 is disposed between the terminal 2 and an inner side wall of the terminal hole 11, the rear cover 4 is inserted into the main body 1, the terminal 2 is disposed in the rear cover 4, a second sealing member 5 is disposed between the rear cover 4 and the main body 1, the outer mold 6 is sleeved outside the rear cover 4, and the outer mold 6 is bonded to the main body 1 and the rear cover 4 respectively. In the plug in the embodiment, the sealing elements are arranged between the main body 1 and the rear cover 4 and between the terminal 2 and the main body 1, and the outer die 6 is bonded with the rear cover 4 and the main body 1, so that the plug has a good sealing effect, the dustproof and waterproof performance of the plug is improved, and the dustproof and waterproof effect of IP67 of the plug can be achieved.

In the present embodiment, the body 1 itself is made of a hard material, preferably a nylon material, in particular PA66+10GF nylon material, having antistatic properties. The rear cover 4 is also made of a hard material, preferably a nylon material, in particular PA66 nylon material. And the outer mold 6 is made of a soft and elastic material, preferably a plastic material having elasticity. Because the outer die 6 is made of soft materials, the rear cover 4 and the main body 1 are made of hard materials, and the adhesiveness of the outer die 6 with the rear cover 4 and the main body 1 is poorer, the part where the rear cover 4 and the main body 1 are connected with the outer die 6 is coated with viscose, the outer die 6 is connected with the rear cover 4 and the main body 1 in a bonding mode, so that the adhesiveness of the outer die 6 with the rear cover 4 and the main body 1 is enhanced, the connection tightness of the outer die 6 with the rear cover 4 and the main body 1 is improved, and the outer die 6 is matched with the first sealing element 3 and the second sealing element 5 to enable the plug to achieve the dustproof and waterproof effect of IP 67. The cable passes through the outer mould 6 into the interior of the plug to connect with the terminal 2.

In this embodiment, as shown in fig. 2 and fig. 3, the one end that main part 1 and back lid 4 pegged graft is equipped with boss 12, terminal hole 11 is seted up on boss 12, the number that terminal hole 11 was seted up is the same with the number of terminal 2, terminal hole 11 is worn to locate by the one end of terminal 2, main part 1 is equipped with the holding tank with the one end that boss 12 is relative, terminal 2 is arranged in the holding tank, and set up first sealing member 3 between the inside wall of terminal 2 and terminal hole 11, avoid external dust or water to enter into terminal hole 11 through the holding tank, and then avoid entering into inside the plug. Preferably, with reference to fig. 2 and 4, a first groove 21 is circumferentially provided on the outer side of the terminal 2, the first sealing member 3 is provided in the first groove 21, and the first sealing member 3 is abutted against the inner side wall of the terminal hole 11, which is simple in structure and facilitates installation of the first sealing member 3. Still further, first sealing member 3 is rubber seal, the installation of being convenient for, and rubber seal has certain elasticity, and is sealed effectual. The terminal 2 in the embodiment is made of a material subjected to nickel plating treatment of a C3602 copper alloy, and has good conductivity.

The second sealing element 5 also plays a role in sealing, and with reference to fig. 2 and 5, in this embodiment, the side wall of the boss 12 is provided with a second groove 13 along the circumferential direction, the second sealing element 5 is disposed in the second groove 13, and the second sealing element 5 is abutted against the inner side wall of the rear cover 4. When the rear cover 4 is connected with the main body 1, the boss 12 is arranged in the rear cover 4, and a gap is formed between the boss 12 and the rear cover 4, so that in order to prevent dust or water from entering the plug from the gap, the second sealing member 5 is arranged between the boss 12 and the rear cover 4. Still further, the lateral wall of boss 12 still is equipped with protruding edge 14 along circumference, and protruding edge 14 is closer to main part 1 than second sealing member 5 and sets up, and after rear cover 4 installed on main part 1, the terminal surface of rear cover 4 and protruding edge 14 butt, can restrict the mounted position of rear cover 4, can still further improve the leakproofness of connecting between rear cover 4 and the main part 1 again. In this embodiment, the second sealing member 5 is a rubber sealing ring, so that the installation is convenient, and the rubber sealing ring has certain elasticity and a good sealing effect.

After rear cover 4 pegs graft on main part 1, in order to improve rear cover 4 and the stability that main part 1 is connected, rear cover 4 is connected through the mode of joint with main part 1. Furthermore, one end of the rear cover 4 is provided with a plurality of hooks along the circumferential direction, and the main body 1 is provided with a clamping groove which is connected with the hooks in a matching way. In this embodiment, the slot is disposed on the convex edge 14, and after the rear cover 4 is inserted into the main body 1, the hook is clamped in the slot, which is convenient for installation and simple in structure.

The embodiment also provides a new energy automobile charging device, has foretell plug, has improved the security that new energy automobile used.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A plug, comprising:

the terminal structure comprises a main body (1), wherein a terminal hole (11) is formed in the main body (1);

the terminal (2) is installed in the terminal hole (11), and a first sealing piece (3) is arranged between the terminal (2) and the inner side wall of the terminal hole (11);

the rear cover (4) is inserted on the main body (1), the terminal (2) is arranged in the rear cover (4), and a second sealing element (5) is arranged between the rear cover (4) and the main body (1);

the outer die (6) is sleeved on the outer side of the rear cover (4), and the outer die (6) is respectively bonded with the main body (1) and the rear cover (4).

2. Plug according to claim 1, characterised in that the outer side of the terminal (2) is provided with a first groove (21) in the circumferential direction, the first seal (3) being arranged in the first groove (21) with the first seal (3) abutting against the inner side wall of the terminal hole (11).

3. Plug according to claim 2, characterised in that the first seal (3) is a rubber sealing ring.

4. Plug according to claim 1, characterized in that a boss (12) is provided at the end of the main body (1) to which the rear cover (4) is connected, a second groove (13) is provided along the circumferential direction on the side wall of the boss (12), and the second sealing element (5) is provided in the second groove (13) and abuts against the inner side wall of the rear cover (4).

5. Plug according to claim 4, characterised in that the second seal (5) is a rubber sealing ring.

6. Plug according to claim 1, characterised in that the rear cover (4) is snap-connected to the body (1).

7. The plug according to claim 6, wherein one end of the rear cover (4) is provided with a plurality of hooks along the circumferential direction, and the main body (1) is provided with a clamping groove in matching connection with the hooks.

8. Plug according to any of claims 1 to 7, characterised in that the main body (1) and the rear cover (4) are both made of nylon material.

9. The plug according to any one of claims 1 to 7, wherein the outer mold (6) is made of plastic material, and the outer mold (6) has elasticity.

10. A new energy automobile charging device, characterized by comprising the plug of any one of claims 1 to 9.

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