CN220122168U

CN220122168U - Leakage protection plug

Info

Publication number: CN220122168U
Application number: CN202320877985.0U
Authority: CN
Inventors: 曹红心; 张有根
Original assignee: Zhongshan Grace Electronic Co ltd
Current assignee: Zhongshan Grace Electronic Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-12-01
Anticipated expiration: 2033-04-18

Abstract

The utility model discloses a leakage protection plug, which comprises an upper cover and a lower cover, wherein a first annular groove is formed in the end face of an opening of the upper cover, and a first annular boss is formed between the first annular groove and the outer wall of the upper cover; the outer wall of the lower cover is provided with a second annular groove, the upper end of the second annular groove is communicated with the opening of the lower cover, a second annular boss is formed between the second annular groove and the inner wall of the lower cover, and the second annular boss is clamped with the first annular groove, so that the first annular boss is abutted with the second annular groove, more lines for external water vapor to enter the inside of the leakage protection plug are bent, and the waterproof effect is better; and the thickness of the first annular boss is the same as the horizontal depth of the second annular groove, so that the upper cover and the lower cover are connected smoothly, no concave-convex part exists, and the appearance is more simple and attractive.

Description

Leakage protection plug

Technical Field

The utility model relates to the technical field of plugs, in particular to a leakage protection plug.

Background

The shell of the leakage protection plug is generally formed by clamping an upper cover and a lower cover, and an electronic device is positioned in an inner cavity formed by encircling the upper cover and the lower cover; in order to form a clamping structure between an upper cover and a lower cover of the existing leakage protection plug, a circle of boss is formed by protruding outwards at a clamping position, and the clamping structure is arranged on the boss; the appearance is not attractive, the clamping part on the boss is not easy to seal, and the waterproof performance is not good.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art and provide a leakage protection plug with more simple and attractive appearance and good waterproof performance.

According to an embodiment of the utility model, a leakage protection plug comprises: the upper cover and the lower cover are provided with a first annular groove on the end face of the opening of the upper cover, and a first annular boss is formed between the first annular groove and the outer wall of the upper cover; the outer wall of the lower cover is provided with a second annular groove, the upper end of the second annular groove is communicated with the opening of the lower cover, a second annular boss is formed between the second annular groove and the inner wall of the lower cover, and the second annular boss is clamped with the first annular groove, so that the first annular boss is abutted with the second annular groove, and the thickness of the first annular boss is the same as the horizontal depth of the second annular groove.

The leakage protection plug provided by the embodiment of the utility model has at least the following beneficial effects: the second annular boss is clamped with the first annular groove, so that the first annular boss is abutted with the second annular groove, the upper cover and the lower cover are clamped, and the circuit of the outside water vapor entering the inside of the leakage protection plug is more tortuous due to the abutment of the first annular boss and the second annular groove, so that the waterproof effect is better; and the thickness of the first annular boss is the same as the horizontal depth of the second annular groove, so that the upper cover and the lower cover are connected smoothly, no concave-convex part exists, and the appearance is more simple and attractive.

According to some embodiments of the utility model, the waterproof sealing device further comprises a first sealing ring, wherein the first sealing ring is arranged in the first annular groove, and the first sealing ring is abutted with the second annular boss, so that the waterproof sealing effect is improved.

According to some embodiments of the present utility model, the upper cover and the lower cover are clamped to form a storage cavity, and further comprise a reset test assembly disposed in the storage cavity, wherein a reset through hole and a test through hole are disposed on the front surface of the upper cover, and the reset test assembly is exposed to the outside through the reset through hole and the test through hole respectively.

According to some embodiments of the utility model, the reset test assembly comprises a reset cap and a test cap, a connecting strip is arranged between the reset cap and the test cap, the reset cap, the test cap and the connecting strip are of an integrally formed flexible waterproof structure, the reset cap protrudes to the outside through the reset through hole, the test cap protrudes to the outside through the test through hole, the integrally formed flexible waterproof structure is convenient to process and install, and the structure is simple, and the waterproof structure and the reset test structure are combined together.

According to some embodiments of the utility model, the reset test assembly comprises a fixing frame, a limit groove is arranged on the fixing frame, the edge of the reset cap extends along the horizontal direction to form a horizontal part, a limit bump is arranged on the horizontal part, the limit bump and the limit groove can be clamped, the fixing frame and the reset through hole are clamped, the limit effect is good, and the installation is convenient.

According to some embodiments of the utility model, the edge of the test cap is bent upwards to form a bent part, and the test cap passes through the test through hole to enable the end part of the bent part to be abutted against the inner wall of the upper cover, so that a waterproof effect is achieved, and external water vapor is prevented from entering the storage cavity through the test hole.

According to some embodiments of the utility model, the conductive carbon film is adhered to the bottom of the test cap, so that the structure is simple, and the internal space of the storage cavity is saved.

According to some embodiments of the present utility model, the waterproof device further comprises a wire and a waterproof sleeve sleeved on the wire, the waterproof sleeve is provided with an annular step, a wire through hole communicated with the storage cavity is formed at the connection position of the bottom of the upper cover and the bottom of the lower cover, the wire penetrates through the wire through hole to extend into the storage cavity, the waterproof sleeve is clamped with the wire through hole, the annular step is abutted with the bottoms of the upper cover and the bottom of the lower cover, and the annular step has the effects of limiting and preventing external water vapor from directly entering the storage cavity through the wire through hole.

According to some embodiments of the utility model, the waterproof sleeve further comprises a second sealing ring, a third annular groove is arranged at the upper part of the waterproof sleeve, the third annular groove is located above the annular step, and the second sealing ring is arranged in the third annular groove and is abutted against the inner wall of the wire through hole, so that the waterproof sealing effect is further improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The following describes the embodiments of the present utility model further with reference to the drawings;

FIG. 1 is a block diagram of a drain plug;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a block diagram of a reset test assembly.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Referring to fig. 1 to 5, the leakage protection plug of the present utility model comprises an upper cover 10 and a lower cover 20, wherein a first annular groove 11 is arranged on the opening end surface of the upper cover 10, and a first annular boss 12 is formed between the first annular groove 11 and the outer wall of the upper cover 10; the outer wall of the lower cover 20 is provided with a second annular groove 21, the upper end of the second annular groove 21 is communicated with the opening of the lower cover 20, a second annular boss 22 is formed between the second annular groove 21 and the inner wall of the lower cover 20, the second annular boss 22 is clamped with the first annular groove 11, the first annular boss 12 is abutted with the second annular groove 21, and the thickness of the first annular boss 12 is the same as the horizontal depth of the second annular groove 21; the second annular boss 22 is clamped with the first annular groove, so that the first annular boss is abutted with the second annular groove 21, the upper cover 10 and the lower cover 20 are clamped, and the circuit of external water vapor entering the inside of the leakage protection plug is more tortuous due to the abutment of the first annular boss 12 and the second annular groove 21, so that the waterproof effect is better; and the thickness of the first annular boss 12 is the same as the horizontal depth of the second annular groove 21, so that the connection between the upper cover 10 and the lower cover 20 is smooth, no concave-convex part exists, and the appearance is more simple and attractive.

In some embodiments, the waterproof sealing device further comprises a first sealing ring, wherein the first sealing ring is arranged in the first annular groove 11, and the first sealing ring is abutted with the second annular boss 22, so that the waterproof sealing effect is improved.

In some embodiments, the upper cover 10 and the lower cover 20 are clamped to form a storage cavity, and further include a reset test assembly disposed in the storage cavity, wherein the front surface of the upper cover 10 is provided with a reset through hole 13 and a test through hole 14, and the reset test assembly is exposed to the outside through the reset through hole 13 and the test through hole 14 respectively.

As shown in fig. 2 and 5, in some embodiments, the reset test assembly includes a reset cap 31, a test cap 32 and a protective cover 310, a connection strip 33 is disposed between the reset cap 31 and the test cap 32, the reset cap 31, the test cap 32 and the connection strip 33 are in an integrally formed flexible waterproof structure, the reset cap 31 protrudes to the outside through the reset through hole 13, the protective cover 310 is inserted into the reset through hole and is sleeved on the reset cap 31, the test cap 32 protrudes to the outside through the test through hole 14, the integrally formed flexible waterproof structure is convenient to process and install, and the structure is simple, and the waterproof and reset test structure is combined together.

In some embodiments, the reset test assembly comprises a fixing frame 34, a limit groove 341 is arranged on the fixing frame 34, the edge of the reset cap 31 extends along the horizontal direction to form a horizontal part 311, a limit bump 312 is arranged on the horizontal part 311, the limit bump 312 and the limit groove 341 can be clamped, the fixing frame 34 and the reset through hole 13 are clamped, the limit effect is good, and the installation is convenient.

As shown in fig. 5, in some embodiments, the edge of the test cap 32 is bent upwards to form a bent portion 321, and the test cap 32 passes through the test through hole 14 to enable the end of the bent portion 321 to be abutted against the inner wall of the upper cover 10, so as to play a waterproof role, and prevent external water vapor from entering the storage cavity through the test hole.

In some embodiments, the bottom of the test cap 32 is adhered with a conductive carbon film to be electrically connected with the circuit board, so that the structure is simple, and the internal space of the storage cavity is saved.

In some embodiments, the waterproof device further comprises a wire and a waterproof sleeve 41 sleeved on the wire, an annular step 411 is arranged on the waterproof sleeve 41, a wire through hole 15 communicated with the storage cavity is arranged at the bottom connection part of the upper cover 10 and the lower cover 20, the wire penetrates through the wire through hole 15 and extends into the storage cavity, the waterproof sleeve 41 is clamped with the wire through hole 15, the annular step 411 is abutted with the bottoms of the upper cover 10 and the lower cover 20, and the annular step 411 has the effects of limiting and preventing external water vapor from directly entering the storage cavity through the wire through hole 15.

In some embodiments, the waterproof sleeve 41 further comprises a second sealing ring 42, a third annular groove 43 is arranged at the upper part of the waterproof sleeve 41, the third annular groove 43 is located above the annular step 411, and the second sealing ring 42 is arranged in the third annular groove 43 and abuts against the inner wall of the wire through hole 15, so that the waterproof sealing effect is further improved.

It will be readily appreciated by those skilled in the art that the above preferred modes can be freely combined and superimposed without conflict.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims

1. A drain protection plug, comprising:

the upper cover (10), the opening end face of the upper cover (10) is provided with a first annular groove (11), and a first annular boss (12) is formed between the first annular groove (11) and the outer wall of the upper cover (10);

the lower cover (20), be equipped with second annular groove (21) on the outer wall of lower cover (20), the upper end of second annular groove (21) with the opening intercommunication of lower cover (20), second annular groove (21) with form second annular boss (22) between the inner wall of lower cover (20), second annular boss (22) with first annular groove (11) joint, make first annular boss (12) with second annular groove (21) butt, just the thickness of first annular boss (12) with the horizontal depth of second annular groove (21) is the same.

2. The drain protection plug according to claim 1, wherein: the novel sealing device further comprises a first sealing ring, wherein the first sealing ring is arranged in the first annular groove (11), and the first sealing ring is abutted with the second annular boss (22).

3. The drain protection plug according to claim 1, wherein: the upper cover (10) and the lower cover (20) are clamped to form a storage cavity, the storage cavity further comprises a reset test assembly arranged in the storage cavity, a reset through hole (13) and a test through hole (14) are formed in the front face of the upper cover (10), and the reset test assembly is exposed outside through the reset through hole (13) and the test through hole (14) respectively.

4. A drain protection plug according to claim 3, wherein: the reset test assembly comprises a reset cap (31) and a test cap (32), a connecting strip (33) is arranged between the reset cap (31) and the test cap (32), the reset cap (31), the test cap (32) and the connecting strip (33) are of an integrally formed flexible waterproof structure, the reset cap (31) protrudes to the outside through the reset through hole (13), and the test cap (32) protrudes to the outside through the test through hole (14).

5. The drain protection plug according to claim 4, wherein: the reset test assembly comprises a fixing frame (34), a limit groove (341) is formed in the fixing frame (34), the edge of the reset cap (31) extends along the horizontal direction to form a horizontal portion (311), a limit projection (312) is arranged on the horizontal portion (311), the limit projection (312) can be clamped with the limit groove (341), and the fixing frame (34) is clamped with the reset through hole (13).

6. The drain protection plug according to claim 4, wherein: the edge of the test cap (32) is bent upwards to form a bending part (321), and the test cap (32) penetrates through the test through hole (14) to enable the end part of the bending part (321) to be abutted with the inner wall of the upper cover (10).

7. The drain protection plug according to claim 6, wherein: the bottom of the test cap (32) is adhered with a conductive carbon film.

8. A drain protection plug according to claim 3, wherein: still include wire and cover establish waterproof casing (41) on the wire, be equipped with annular step (411) on waterproof casing (41), upper cover (10) with the bottom junction of lower cover (20) is equipped with the intercommunication put wire through-hole (15) in thing chamber, the wire passes wire through-hole (15) extend to put in the thing chamber, waterproof casing (41) with wire through-hole (15) joint just annular step (411) with upper cover (10) with the bottom butt of lower cover (20).

9. The drain protection plug according to claim 8, wherein: the waterproof sleeve comprises a waterproof sleeve body and is characterized by further comprising a second sealing ring (42), wherein a third annular groove (43) is formed in the upper portion of the waterproof sleeve body (41), the third annular groove (43) is located above the annular step (411), and the second sealing ring (42) is arranged in the third annular groove (43) and is in butt joint with the inner wall of the wire through hole (15).