Power plug shell

By designing a multi-layer sealing structure on the power plug, utilizing the groove fit between the upper shell and the lower cover, and the frame-type mounting head assembly, the problem of unstable waterproof performance of the power plug is solved, achieving good sealing effect and compact structure.

CN223514309UActive Publication Date: 2025-11-04FOSHAN SHUNDE CITY XINHUIDA ELECTRONICS
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Patent Information

Application Number
CN202423000606.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-11-04
Estimated Expiration
2034-12-06

AI Technical Summary

Technical Problem

The waterproofing of existing power plugs is inconsistent, and water can easily get inside.

Method used

It adopts a multi-layer sealing structure, including the groove design of the upper shell and lower cover and the frame-type mounting head assembly. The epoxy resin is used to fill the multi-layer seal, which is combined with the sealing groove and sealing protrusion of the wire buckle to achieve a multi-layer sealing effect.

Benefits of technology

The sealing effect of the power plug has been improved, ensuring a compact structure and excellent waterproof performance.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223514309U_ABST
    Figure CN223514309U_ABST
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Abstract

The utility model relates to a power plug housing. The power plug housing comprises an upper housing with a lower opening, a lower cover and a frame-shaped installation head assembly used for inserting a wire buckle. A first groove with a downward opening is formed in the lower portion of the opening edge of the upper shell, and a U-shaped groove is further formed in the upper shell. A second groove with an upward opening is formed in the upper portion of the edge of the lower cover, a notch is formed in the lower portion of the edge of the lower cover, the inner side wall of the first groove is inserted into the second groove, the outer side wall of the second groove is inserted into the first groove, and the outer side wall of the first groove is matched with the notch of the lower cover to form a sealing groove filled with epoxy resin; the frame-shaped installation head assembly is located at the lower cover and communicated with the sealing groove, and the U-shaped groove is matched with the frame-shaped installation head assembly to enable the wire buckle to be inserted into the shell in a sealed mode. The sealing device has the advantages of being provided with multiple sealing layers, good in sealing effect and compact in structure.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a power plug shell. BACKGROUND

[0002] At present, the waterproof effect is unstable, and customers in the market feedback that the power supply of the company has water ingress phenomenon. SUMMARY

[0003] The utility model discloses a power plug shell which has multiple sealing layers, good sealing effect and compact structure to overcome the defects of the prior art.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows: a power plug shell, characterized by comprising:

[0005] An upper shell with a lower opening; a first recess with a downward opening is arranged on the lower part of the opening edge of the upper shell, and a U-shaped groove is further arranged at the upper shell;

[0006] A lower cover; a second recess with an upward opening is arranged on the upper part of the edge of the lower cover, and a notch is arranged on the lower part of the edge of the lower cover, the inner side wall of the first recess is inserted into the second recess, the outer side wall of the second recess is inserted into the first recess, and the outer side wall of the first recess cooperates with the notch of the lower cover to form a sealing recess filled with epoxy resin; and

[0007] A frame-shaped mounting head assembly for inserting a wire buckle; the frame-shaped mounting head assembly is located at the lower cover, and the frame-shaped mounting head assembly communicates with the sealing recess, and the U-shaped groove cooperates with the frame-shaped mounting head assembly to enable the wire buckle to be sealingly inserted into the shell.

[0008] In the technical scheme, the frame-shaped mounting head assembly comprises a frame-shaped mounting seat; the frame-shaped mounting seat is mounted at the lower cover, and a communication groove is arranged on the two side arms of the frame-shaped mounting seat, the communication groove communicates with the sealing recess, and the wire buckle is inserted into the frame-shaped mounting seat.

[0009] In the technical scheme, a lower wire buckle sealing groove is arranged on the wire buckle, an upper wire buckle sealing groove is arranged at the U-shaped groove, the upper part of the wire buckle is located in the U-shaped groove, the lower wire buckle sealing groove cooperates with the upper wire buckle sealing groove to form a wire buckle sealing groove, and the wire buckle sealing groove communicates with the sealing recess through the two communication grooves.

[0010] In the technical scheme, a sealing protrusion is arranged on the outer side wall of the second recess, and the sealing protrusion is inserted into the first recess.

[0011] In the technical scheme, the slot is arranged in the frame of the frame-shaped mounting seat and close to the lower cover, the first plug and the second plug are arranged on the wire buckle, the first plug and the second plug are arranged left and right, the first plug is inserted into the slot, and the second plug abuts against the cross arm of the frame-shaped mounting seat, so that the wire buckle is positioned.

[0012] The utility model has the advantages that compared with prior art, the utility model has multiple sealing layers, good sealing effect and compact structure. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is an exploded view of the utility model;

[0014] Figure 2 is Figure 1 an enlarged view of part A;

[0015] Figure 3 is a structure schematic view of the utility model in the upward direction;

[0016] Figure 4 is a plan view of the utility model;

[0017] Figure 5 is Figure 4 a B-B sectional view of the utility model;

[0018] Figure 6 is Figure 5 an enlarged view of part C;

[0019] Figure 7 is Figure 5 an enlarged view of part D;

[0020] Figure 8 is a structure schematic view of the upper shell of the utility model. DETAILED DESCRIPTION

[0021] The specific embodiments of the utility model will be further described below in combination with the drawings. It should be noted that the description of these embodiments is used to help understand the utility model, but does not constitute a limitation on the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as there is no conflict.

[0022] As Figures 1 to 8 shown, it is a power plug shell, comprising:

[0023] The upper shell 1 has a lower opening, and the opening edge of the upper shell 1 is provided with a first groove 11 opening downward, and a U-shaped groove is further arranged on the upper shell 1;

[0024] The lower cover 2 is provided with a second groove 21 opening upward at the upper part of the edge of the lower cover 2 and is provided with a gap at the lower part of the edge of the lower cover 2, the inner side wall of the first groove 11 is inserted into the second groove 21, the outer side wall of the second groove 21 is inserted into the first groove 11, and the outer side wall of the first groove 11 cooperates with the gap of the lower cover 2 to form a sealing groove 12 filled with epoxy resin; and

[0025] A frame-shaped mounting head assembly for inserting the wire clamp 4; the frame-shaped mounting head assembly is located at the lower cover 2 and communicates with the sealing groove, and the "U"-shaped groove cooperates with the frame-shaped mounting head assembly to enable the wire clamp 4 to be inserted into the shell in a sealed manner.

[0026] During production, the epoxy resin is filled in the sealing groove 12 to form a layer of sealing, the outer side wall of the second groove 21 is inserted into the first groove 11 to form a second layer of sealing, and the inner side wall of the first groove 11 is inserted into the second groove 21 to form a third layer of sealing, so that the sealing effect is good.

[0027] In the embodiment, the frame-shaped mounting head assembly comprises a frame-shaped mounting seat 3; the frame-shaped mounting seat 3 is mounted at the lower cover 2 and is provided with a communication groove 32 at the two side arms of the frame-shaped mounting seat 3, the communication groove 32 communicates with the sealing groove 12, and the wire clamp 4 is inserted into the frame-shaped mounting seat 3, so that the wire clamp 4 is convenient to disassemble and assemble during production.

[0028] In the embodiment, a lower wire clamp sealing groove 42 is arranged on the wire clamp 4, an upper wire clamp sealing groove 13 is arranged at the "U"-shaped groove, the upper part of the wire clamp 4 is located in the "U"-shaped groove, the lower wire clamp sealing groove 42 cooperates with the upper wire clamp sealing groove 13 to form a wire clamp sealing groove, and the wire clamp sealing groove communicates with the sealing groove 12 through the two communication grooves 32.

[0029] In the embodiment, a sealing protrusion 22 is arranged on the outer side wall of the second groove 21, and the sealing protrusion 22 is inserted into the first groove 11.

[0030] In the embodiment, a slot 31 is arranged in the frame of the frame-shaped mounting seat 3 and close to the lower cover 2, a first insertion block 41 and a second insertion block 43 are arranged on the wire clamp 4, the first insertion block 41 and the second insertion block 43 are arranged left and right, the first insertion block 41 is inserted into the slot 31, and the second insertion block 43 abuts against the horizontal arm of the frame-shaped mounting seat 3 to position the wire clamp 4, so that the wire clamp 4 is convenient to position during production.

[0031] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the described embodiments. For ordinary skilled in the art, various changes, modifications, replacements and deformation of these embodiments without departing from the principles and purposes of the utility model still fall within the protection scope of the utility model.

Claims

1. A power plug housing, characterized in that... include: The upper shell (1) has a lower opening; the lower part of the opening edge of the upper shell (1) is provided with a first groove (11) with the opening facing downward, and a "U" shaped groove is also provided at the upper shell (1); The lower cover (2) has an upward-opening second groove (21) on the upper part of its edge and a notch on the lower part of its edge. The inner wall of the first groove (11) is inserted into the second groove (21), and the outer wall of the second groove (21) is inserted into the first groove (11). The outer wall of the first groove (11) and the notch of the lower cover (2) cooperate to form a sealing groove (12) filled with epoxy resin. A frame-type mounting head assembly for inserting the wire clip (4); the frame-type mounting head assembly is located at the lower cover (2) and is connected to the sealing groove. The "U"-shaped groove cooperates with the frame-type mounting head assembly to seal the wire clip (4) into the housing.

2. The power plug housing according to claim 1, characterized in that... The frame mounting head assembly includes a frame mounting base (3); the frame mounting base (3) is mounted on the lower cover (2), and a connecting groove (32) is provided on both sides of the frame mounting base (3). The connecting groove (32) communicates with the sealing groove (12), and the wire buckle (4) is inserted into the frame mounting base (3).

3. The power plug housing according to claim 2, characterized in that... A lower wire buckle sealing groove (42) is provided on the wire buckle (4), and an upper wire buckle sealing groove (13) is provided at the "U"-shaped groove. The upper part of the wire buckle (4) is located in the "U"-shaped groove. The lower wire buckle sealing groove (42) and the upper wire buckle sealing groove (13) cooperate to form a wire buckle sealing groove. The wire buckle sealing groove is connected to the sealing groove (12) through two connecting grooves (32).

4. The power plug housing according to claim 1, characterized in that... A sealing protrusion (22) is provided on the outer wall of the second groove (21), and the sealing protrusion (22) is inserted into the first groove (11).

5. The power plug housing according to claim 2, characterized in that... A slot (31) is provided inside the frame of the frame mounting base (3) and near the lower cover (2). A first insert (41) and a second insert (43) are provided on the wire buckle (4). The first insert (41) and the second insert (43) are arranged left and right. The first insert (41) is inserted into the slot (31), and the second insert (43) abuts against the cross arm of the frame mounting base (3) to position the wire buckle (4).