CN217114924U - Direct current socket tail end cable hole plug pad waterproof construction - Google Patents

Abstract

The utility model discloses a DC socket tail end cable hole stopper pad waterproof construction, include: the socket part comprises a socket main body, a terminal gland and a socket tail cover, wherein the terminal gland is arranged between the socket main body and the socket tail cover; the wiring part comprises a wiring terminal and a cable, the wiring terminal is arranged in the socket main body and penetrates through the terminal gland, and the cable penetrates through the socket tail cover and is connected with the wiring terminal; the sealing part, the sealing part includes cable chock pad and sealing washer, the sealing washer cover is established on the terminal gland and is laminated mutually with socket subject's inner wall, the cable chock pad sets up between terminal gland and socket tail-hood. The utility model discloses a structure of cable stopper pad combines to form waterproof barrier with the cable packing to thereby reach IP67 level waterproof function with the inside and outside realization isolation of charging seat under the sealing connection of the body in extrusion and cable stopper pad and socket, socket tailhood.

Description

Direct current socket tail end cable hole plug pad waterproof construction

Technical Field

The utility model relates to a new forms of energy electric automobile car end socket field that charges, concretely relates to direct current socket tail end cable hole stopper fills up waterproof construction.

Background

When the new energy electric automobile charges, need be connected charging plug and charging seat. The existing charging seat is low in protection level, the charging seat is easy to feed water and dust, the problem of short circuit is easily caused, potential danger exists for a charging automobile and a charging pile, fire can be caused seriously, potential safety hazards in use are large, especially, the tail end protection level IP55 of a common conventional automobile end socket on the market is high, water resistance is poor, a product is in actual use, the cable is warped or an injection molding piece is deformed, the waterproof structure between a waterproof ring and the cable is invalid, water is fed into the product, and the product performance is influenced or safety accidents occur.

SUMMERY OF THE UTILITY MODEL

The utility model provides a waterproof structure of a direct current socket tail end cable hole plug pad, which avoids the defects of the prior art.

The utility model provides a technical problem adopt following technical scheme: a DC socket tail end cable hole plug pad waterproof construction includes:

the socket part comprises a socket main body, a terminal gland and a socket tail cover, wherein the terminal gland is arranged between the socket main body and the socket tail cover;

the wiring part comprises a wiring terminal and a cable, the wiring terminal is arranged in the socket main body and penetrates through the terminal gland, and the cable penetrates through the socket tail cover and is connected with the wiring terminal;

sealing part, sealing part includes cable chock pad and sealing washer, the sealing washer cover is established on the terminal gland and is laminated mutually with socket ontology's inner wall, cable chock pad cover is established on the cable conductor, the cable chock pad sets up between terminal gland and socket tail-hood, just cable chock pad one end is inserted and is set up in socket ontology, and its other end then inserts and set up in socket tail-hood.

In several embodiments, the terminal cover is provided with a circle of sealing groove around the circumference, and the sealing washer is attached to and arranged in the sealing groove.

The sealing groove and the sealing ring are embedded and attached and fixed.

In several embodiments, the sealing ring includes an inner side and an outer side that are disposed opposite to each other, the inner side is disposed smoothly, the outer side has a plurality of rings of convex edges, and the convex edges are attached to the inner side of the socket body.

The smooth inner side surface is stably connected with the sealing groove, and the convex edge and the socket main body are stably connected and highly sealed.

In several embodiments, the cable mat is provided with a plurality of through holes through which the cables can pass.

In several embodiments, the cable plug pad includes a front portion and a rear portion arranged in a stacked manner, the through hole penetrates through the front portion and the rear portion, the front portion fits against an inner side surface of the socket body, and the rear portion fits against an inner side surface of the socket tail cover.

In several embodiments, the side body of the front portion surrounds a first protruding ring with a plurality of protrusions, and the first protruding ring is attached to the inner side surface of the socket main body.

Carry out stable connection and highly sealed through first chimb and socket main part.

In several embodiments, a circle of second convex ring is arranged on one side end surface of the rear part close to the front part, the second convex ring surrounds the whole body of the front part, a gap exists between the second convex ring and the front part, and the second convex ring is attached to the socket main body.

And the second convex ring and the opening position of the socket main body are completely covered and sealed.

In several embodiments, the socket main part is including the main part and the connecting portion that are linked together, the external diameter of connecting portion is less than the external diameter of main part, the whole body of connecting portion is provided with a plurality of stuck points, the whole body of socket tail cover is provided with a plurality of card holes, socket tail cover is established at connecting portion whole body and is carried out the joint through stuck point and stuck hole and fix.

Through the structure in joint and card hole, guarantee the stable connection between socket owner body and the socket tail-hood, realize the fixed of sealing.

The utility model has the advantages that the protection level of the charging seat is improved from IP55 to IP67, and the charging seat has reliable function, simple structure and convenient operation;

the utility model discloses a structure of cable stopper pad, cable conductor extrusion cable stopper pad make it combine with the cable packing to form waterproof barrier to under the sealing connection of the body, socket tailhood in extrusion and cable stopper pad and socket, thereby reach IP67 level waterproof function with the inside and outside realization isolation of charging seat.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not to be considered limiting of the scope of the present disclosure.

Fig. 1 schematically shows an overall structure of a dc outlet tail end cable hole plug pad waterproof structure according to an embodiment of the present invention;

FIG. 2 schematically illustrates a portion of the explosive structure of FIG. 1;

FIG. 3 schematically illustrates the cross-sectional structure of FIG. 2;

FIG. 4 schematically illustrates an enlarged configuration of the cable plug pad of FIG. 3;

fig. 5 schematically shows an enlarged structure of a portion a in fig. 3;

FIG. 6 schematically illustrates an enlarged configuration of the seal ring of FIG. 3;

fig. 7 schematically shows an enlarged structure of the B portion in fig. 3.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings, and the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

Therefore, the following detailed description of the embodiments of the present invention, which is provided in connection with the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention, and all other embodiments obtained by those of ordinary skill in the art without any inventive effort based on the embodiments of the present invention are within the scope of the invention.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to fig. 1 to 7.

Example 1

As shown in fig. 1-3, the waterproof structure of the cable hole plug pad at the tail end of the dc socket mainly comprises a socket part, a wiring part and a sealing part, wherein the socket part and the wiring part are combined to realize the function of a charging seat, and the sealing part realizes the waterproof sealing effect.

Specifically, the socket portion includes a socket main body 110, a terminal cover 120 and a socket tail cover 130, the terminal cover 120 is disposed between the socket main body 110 and the socket tail cover 130, and a circle of sealing groove 121 is circumferentially disposed around the terminal cover 120, specifically, the terminal cover 120 is inserted into the socket main body 110 from the tail portion, and the socket tail cover 130 is clamped at the outer position of the socket main body 110 from the tail portion, so as to realize the socket structure.

The socket body 110 includes a main body 101 and a connecting portion 102 that are communicated with each other, the outer diameter of the connecting portion 102 is smaller than the outer diameter of the main body 101, the connecting portion 102 is provided with a plurality of clamping points 111 around, generally four clamping points are provided, the four clamping points are uniformly distributed around the connecting portion 102, correspondingly, four clamping holes 131 are provided around the socket tail cover 130, the socket tail cover 130 is sleeved on the connecting portion 102 and clamped and fixed with the clamping holes 131 through the clamping points 111, namely, the socket tail cover 130 is sleeved on the connecting portion 102, and the clamping points correspondingly penetrate into the clamping holes to realize clamping and fixing.

Specifically, the connection portion includes a connection terminal 210 and a cable 220, the connection terminal 210 is disposed in the socket body 110 and penetrates into the terminal cover 120, that is, one end of the connection terminal 210 is inserted and fixed in the socket body 110, and the other free end thereof is inserted into the terminal cover 120, so as to achieve stability, and the corresponding cable 220 penetrates into the socket tail cover 130 and the terminal cover 120 and then is electrically connected to the connection terminal 210.

Specifically, as shown in fig. 3-7, the sealing portion includes a cable plug pad 310 and a sealing ring 320, the sealing ring 320 is sleeved on the terminal cover 120 and attached to the inner wall of the socket body 110, the cable plug pad 310 is sleeved on the cable 220, the cable plug pad 310 is disposed between the terminal cover 120 and the socket tail cover 130, one end of the cable plug pad 310 is inserted into the socket body 110, and the other end of the cable plug pad 310 is inserted into the socket tail cover 130.

As shown in fig. 4-5, a plurality of through holes 301 are first formed in the cable plug pad 310, the number of the through holes 310 is determined according to the required number of wires, and the through holes 301 can be used for the cables 220 and other sensor wires conventionally required in the field to pass through.

The cable plug pad 310 includes a front portion 311 and a rear portion 312 stacked, the through hole 301 penetrates through the front portion 311 and the rear portion 312, the front portion 311 fits the inner side surface of the connecting portion 102 in the receptacle body 110, the rear portion 312 fits the inner side surface of the receptacle tail cover 130, due to the size relationship between the connecting portion 102 and the receptacle tail cover 130, the front portion 311 is smaller than the rear portion 312, for example, the front portion 211 and the rear portion 312 are both cylindrical structures, the front portion 211 and the rear portion 312 are coaxially disposed, and the outer diameter of the front portion 211 is smaller than the outer diameter of the rear portion 312, so as to be tightly fitted with the corresponding connecting portion and the receptacle tail cover.

At least two first convex rings 3111 are provided around the front portion 311, and the first convex rings 3111 are protruded in the radial direction, the first convex rings 3111 are attached to the inner side surface of the socket body 110, and a gap for deformation is provided between two adjacent first convex rings 3111.

Meanwhile, a circle of second convex ring 3121 is provided on one side end surface of the rear part 312 close to the front part 311, the second convex ring 3121 surrounds the whole body of the front part 311 and has a gap with the front part 311, the second convex ring 3121 is attached to the connecting part 102 in the socket main body 110, that is, after the front part is plugged into the connecting part 102, the second convex ring 3121 is pressed at the opening position of the connecting part 102, so that the effective trouble of the opening is realized.

As shown in fig. 6 to 7, the sealing ring 320 is disposed in the sealing groove 121 in an abutting manner, and includes an inner side 321 and an outer side 322 disposed opposite to each other, the inner side 321 is disposed smoothly, and is thereby engaged with the sealing groove 121, the outer side 322 has three circles of left and right convex edges 3221, the convex edges 3221 abut against the inner side 321 of the socket body 110, the convex edges 3221 are uniformly distributed along the shape of the sealing ring 320, and a gap exists between two adjacent convex edges 3221, so as to provide a squeezing space.

The utility model discloses when the assembly, adopt following step:

1. threading the cord 220 into the receptacle tail cap 130;

2. assembling the cable 220 with the cable plug 310, the sealing ring 320 with the terminal cover 120;

3. the terminal 210 is matched with the cable 220 for crimping, and the socket body 110 and the terminal gland 120 are locked by screws;

4. pushing the cable gland 310 to the terminal gland 120 to be attached to the cable gland, and plugging a front part 311 of the cable gland 310 into the socket main body 110;

5. in plugging in the socket tailcap 130 with the rear portion 312 of cable plug pad 310, carry out buckle fit with socket tailcap 130 and socket main body 110 and fix, realize now keeping apart the charging seat is inside with the outside from this to play waterproof function.

It should be noted that, in the present invention, the unexplained connection mode between the components can be the connection mode commonly used in the field.

The scope of the present invention is defined not by the above-described embodiments but by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a direct current socket tail end cable hole chock waterproof construction which characterized in that includes:

the socket part comprises a socket main body, a terminal gland and a socket tail cover, wherein the terminal gland is arranged between the socket main body and the socket tail cover;

the wiring part comprises a wiring terminal and a cable, the wiring terminal is arranged in the socket main body and penetrates through the terminal gland, and the cable penetrates through the socket tail cover and is connected with the wiring terminal;

sealing part, sealing part includes cable chock pad and sealing washer, the sealing washer cover is established on the terminal gland and is laminated mutually with socket ontology's inner wall, cable chock pad cover is established on the cable conductor, the cable chock pad sets up between terminal gland and socket tail-hood, just cable chock pad one end is inserted and is set up in socket ontology, and its other end then inserts and set up in socket tail-hood.

2. The direct current socket tail end cable hole plug gasket waterproof structure of claim 1, wherein a circle of sealing groove is circumferentially arranged on the circumference of the terminal gland, and the sealing ring is attached to and arranged in the sealing groove.

3. The direct current socket tail end cable hole plug pad waterproof structure according to claim 2, wherein the sealing ring comprises an inner side surface and an outer side surface which are oppositely arranged, the inner side surface is smoothly arranged, the outer side surface is provided with a plurality of rings of convex edges, and the convex edges are attached to the inner side surface of the socket main body.

4. The waterproof structure of the cable hole plug pad at the tail end of the DC socket as claimed in claim 3, wherein the cable plug pad has a plurality of through holes for passing cables.

5. The direct current socket tail end cable hole plug pad waterproof structure as claimed in claim 4, wherein the cable plug pad includes a front portion and a rear portion which are stacked, the through hole penetrates through the front portion and the rear portion, the front portion fits against an inner side surface of the socket main body, and the rear portion fits against an inner side surface of the socket tail cover.

6. The waterproof structure of the hole plug pad of the cable at the tail end of the DC socket as claimed in claim 5, wherein the side body of the front portion is surrounded by a plurality of raised first convex rings, and the first convex rings are attached to the inner side surface of the socket body.

7. The waterproof structure of the cable hole plug pad at the tail end of the direct current socket as claimed in claim 6, wherein a second convex ring is arranged on one side end surface of the rear portion close to the front portion, the second convex ring surrounds the front portion and has a gap with the front portion, and the second convex ring is attached to the socket body.

8. The waterproof structure of the cable hole plug pad at the tail end of the direct current socket as claimed in claim 1, wherein the socket body comprises a main body portion and a connecting portion which are communicated with each other, the outer diameter of the connecting portion is smaller than that of the main body portion, a plurality of clamping points are arranged on the whole body of the connecting portion, a plurality of clamping holes are arranged on the whole body of the socket tail cover, and the socket tail cover is sleeved on the whole body of the connecting portion and is clamped and fixed with the clamping holes through the clamping points.

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