CN217470548U

CN217470548U - Waterproof structure of protective shell

Info

Publication number: CN217470548U
Application number: CN202220838969.6U
Authority: CN
Inventors: 李赵斌
Original assignee: Dongguan Hp Power Technology Ltd
Current assignee: Dongguan Hp Power Technology Ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-09-20
Anticipated expiration: 2032-04-12

Abstract

The utility model discloses a waterproof construction of protective housing, including last casing, lower casing and waterproof SR line are detained, go up casing and inferior valve body coupling and enclose and construct the outlet, waterproof SR line is detained and is installed in the outlet, and waterproof SR line is detained the surface and is provided with waterproof convex part and waterproof recess, and the outlet is provided with and supplies waterproof convex part male protruding rib that holds concave position and be used for inserting waterproof recess, holds concave position and protruding rib surface and is provided with the waterproof sand grip of the waterproof convex part of embedding and waterproof recess. The installation fastness that the setting supplies waterproof convex part male holding concave position and the protruding muscle that is used for inserting waterproof recess to strengthen waterproof SR line to buckle, also difficult messenger's it takes place to warp when external force pulls waterproof SR line to the reduction pulls and leads to waterproof SR line to buckle and the possibility that appears the gap between the outlet because of external force, promotes water-proof effects further, and can stop waterproof SR line to buckle the condition emergence that breaks away from the outlet.

Description

Waterproof structure of protective shell

Technical Field

The utility model belongs to the technical field of the protective housing technique and specifically relates to indicate a waterproof construction of protective housing.

Background

In the prior art, a protective shell is required for mounting a circuit board for a power supply, an adapter and the like which need to be provided with the circuit board, and a wire connected to the circuit board extends outwards through an opening of the protective shell; for example, the utility model CN 205385680U discloses a novel power supply waterproof structure, wherein an upper shell is connected with a lower shell; the upper shell and the lower shell are connected and matched to form a wire outlet, the waterproof SR wire buckle is arranged at the wire outlet, and interference press fit is formed between the waterproof SR wire buckle and the wire outlet; although a certain waterproof effect can be achieved between the waterproof SR line buckle and the wire outlet in a glue-free mode, the assembly firmness between the waterproof SR line buckle and the wire outlet is difficult to guarantee only through an interference compression fit installation mode, and once the waterproof SR line buckle is pulled by external force, a gap can be formed between the waterproof SR line buckle and the wire outlet, so that the waterproof failure is caused; in the most severe cases, even a situation occurs where the waterproof SR cord clip breaks away from the outlet.

Therefore, a new technical solution is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a waterproof structure of a protective shell, which can effectively solve the problem of insufficient firmness of the assembly between the SR wire buckle and the wire outlet in the conventional protective shell, thereby further improving the waterproof performance of the protective shell.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a waterproof construction of protective housing, is detained including last casing, lower casing and waterproof SR line, go up casing and lower casing coupling and enclose to construct there is the outlet, waterproof SR line is detained and is installed in the outlet, waterproof SR line is detained the surface and is provided with waterproof convex part and waterproof recess, the outlet is provided with and supplies waterproof convex part male to hold concave position and be used for inserting the protruding muscle of waterproof recess, hold the waterproof sand grip that concave position and protruding muscle surface were provided with waterproof convex part of embedding and waterproof recess.

As a preferred embodiment: waterproof convex part is including the first waterproof convex part, the waterproof convex part of second and the waterproof convex part of third that the interval set up, it holds concave position and the third and holds concave position including supplying first waterproof convex part, the waterproof convex part of second and the waterproof convex part of third to correspond the first concave position of holding, second of inserting and hold concave position and third.

As a preferred embodiment: the convex rib comprises a first convex rib arranged between the first accommodating concave position and the second accommodating concave position and a second convex rib arranged between the second accommodating concave position and the third accommodating concave position.

As a preferred embodiment: first hold and be provided with first arc concave position between concave position and the first protruding muscle, the top inboard of first waterproof convex part is provided with the first arc convex part that supports and lean on first arc concave position.

As a preferred embodiment: and a first inclined plane is arranged between the second convex rib and the third accommodating concave position.

As a preferred embodiment: the waterproof convex strips are arranged in a triangular structure.

As a preferred embodiment: the upper shell and the lower shell are connected in a buckling mode.

As a preferred embodiment: the upper shell is provided with buckling salient points, and the lower shell is provided with buckling notches for the buckling salient points to be inserted.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

1. the waterproof convex part and the waterproof groove are arranged on the surface of the waterproof SR buckle, and the accommodating concave position for the waterproof convex part to insert and the convex rib for the waterproof groove to insert are arranged at the wire outlet, so that a labyrinth waterproof structure is formed, and the possibility that external liquid permeates into the protective shell from a gap between the waterproof SR buckle and the wire outlet is reduced; meanwhile, the accommodating concave position for the waterproof convex part to insert and the convex rib for inserting the waterproof groove are arranged, so that the installation firmness of the waterproof SR line buckle can be enhanced, the waterproof SR line buckle is difficult to deform when being pulled by external force, the possibility of a gap between the waterproof SR line buckle and a line outlet caused by the pulling of the external force is reduced, the waterproof effect is further improved, and the situation that the waterproof SR line buckle is separated from the line outlet can be avoided;

2. waterproof raised strips are arranged on the accommodating concave positions and the surfaces of the raised ribs and are used for embedding the waterproof convex parts and the waterproof grooves; the waterproof convex strip replaces the traditional mode of only abutting against the surface of the waterproof SR buckle in an embedded mode, and the installation firmness and the waterproof performance of the waterproof SR buckle can be further improved.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

Fig. 1 is a schematic perspective view of a waterproof structure of a protective case according to a preferred embodiment of the present invention;

fig. 2 is an exploded view of a protective case according to a preferred embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is another exploded perspective view of a protective case according to a preferred embodiment of the present invention;

fig. 5 is a cross-sectional view of a protective case according to a preferred embodiment of the present invention;

fig. 6 is a partially enlarged view of fig. 5 at B.

The attached drawings indicate the following:

1. an upper housing; 11. buckling the salient points;

2. a lower housing; 21. buckling the notch;

3. an outlet; 31. a receiving recess; 311. a first accommodating recess; 312. a second accommodating recess; 313. a third accommodating recess; 32. a rib is protruded; 321. a first rib; 322. a second rib; 33. waterproof convex strips; 34. a first arc-shaped concave position; 35. a first inclined surface;

4. a waterproof SR cable buckle; 41. a waterproof convex portion; 411. a first waterproof convex portion; 412. a second waterproof convex portion; 413. a third water-repellent convex part; 414. a fourth water-resistant convex portion; 42. a waterproof groove; 43. a first arcuate projection.

Detailed Description

Referring to fig. 1 to 6, a concrete structure of a preferred embodiment of the present invention is shown, which is a waterproof structure of a protective shell, and includes an upper shell 1, a lower shell 2, a wire outlet 3 and a waterproof SR wire buckle 4.

Before explaining the embodiments of the present application in detail, an application scenario of the embodiments of the present application will be explained.

In the conventional technology, a circuit board of a power supply or an adapter is required to be accommodated by a protective shell, and a wire extends outwards through an opening of the protective shell; generally, an SR button is sleeved on the wire, the SR button is installed at an opening of the protective shell, and a certain waterproof effect is achieved by utilizing interference fit between the SR button and the opening; but the structural design of SR buckle and protective shell opening is not good enough, and waterproof performance is not high. The embodiment of the utility model provides a through set up waterproof convex part 41 and waterproof recess 42 at waterproof SR line knot 4, be provided with in outlet 3 and supply waterproof convex part 41 to insert hold concave position 31 and be used for inserting waterproof recess 42 protruding muscle 32, hold concave position 31 and protruding muscle 32 surface and be provided with the waterproof sand grip 33 of embedding waterproof convex part 41 and waterproof recess 42; therefore, the problem of low waterproof performance of the traditional protective shell caused by the design defects of the waterproof SR buckle and the wire outlet 3 is solved.

Next, the embodiments of the present application will be described in detail.

Referring to fig. 1-3, an upper shell 1 and a lower shell 2 are connected and enclose a wire outlet 3, and a waterproof SR cord fastener 4 is installed in the wire outlet 3; in the embodiment of the application, the waterproof SR wire button 4 is made of soft glue, and the surface of the waterproof SR wire button 4 is provided with a waterproof convex portion 41 and a waterproof groove 42; the outlet 3 is provided with a concave accommodating position 31 and a convex rib 32, the concave accommodating position 31 is used for inserting the waterproof convex part 41, and the convex rib 32 is used for inserting the waterproof groove 42; and, the surfaces of the accommodating concave 31 and the convex rib 32 are provided with waterproof convex strips 33, and the waterproof convex strips 33 are used for being embedded into the waterproof convex 41 and the waterproof groove 42.

During assembly, the waterproof SR line buckle 4 is firstly sleeved on the surface of a wire, and the waterproof SR line buckle 4 is placed at the wire outlet 3 before the upper shell 1 and the lower shell 2 are assembled; then the upper shell 1 and the lower shell 2 are assembled together, in the process, the waterproof convex part 41 in the waterproof SR line buckle 4 is inserted into the accommodating concave position 31, and the convex rib 32 is inserted into the waterproof groove 42, so that the whole protective shell can be installed.

Referring to fig. 3, 5 and 6, the waterproof convex portion 41 includes a first waterproof convex portion 411, a second waterproof convex portion 412 and a third waterproof convex portion 413 which are arranged at intervals, and the accommodating concave portion 31 includes a first accommodating concave portion 311, a second accommodating concave portion 312 and a third accommodating concave portion 313 into which the first waterproof convex portion 411, the second waterproof convex portion 412 and the third waterproof convex portion 413 are correspondingly inserted; specifically, the first waterproof convex portion 411, the second waterproof convex portion 412 and the third waterproof convex portion 413 are sequentially arranged on the surface of the waterproof SR wire buckle 4 at intervals from the outer side to the inner side, the first waterproof convex portion 411 is inserted into the first accommodating concave portion 311, the second waterproof convex portion 412 is inserted into the second accommodating concave portion 312, and the third waterproof convex portion 413 is inserted into the third accommodating concave portion 313; therefore, the first receiving recess 311, the second receiving recess 312 and the third receiving recess 313 are sequentially disposed at intervals from the outer side to the inner side of the outlet 3.

In connection, the ribs 32 include a first rib 321 disposed between the first receiving recess 311 and the second receiving recess 312 and a second rib 322 disposed between the second receiving recess 312 and the third receiving recess 313; the number of the waterproof grooves 42 is the same as that of the ribs 32, and the waterproof grooves include a first waterproof groove 421 and a second waterproof groove 422, wherein the first rib 321 is correspondingly inserted into the first waterproof groove 421, and the second rib 322 is correspondingly inserted into the second waterproof groove 422. In the embodiment of the present application, the waterproof protruding strips 33 are disposed on the bottom surfaces of the first protruding strip 321, the second accommodating recess 312 and the second protruding strip 322, and the corresponding waterproof protruding strips 33 are embedded in the plastic at the positions of the first waterproof groove 421, the second waterproof protrusion 412 and the second waterproof groove 422. Preferably, the waterproof convex strip 33 is arranged in a triangular structure, and the sharp corner of the triangle is used to pierce into the plastic of the waterproof SR wire buckle 4.

Referring to fig. 3, 5 and 6, a first arc-shaped concave portion 34 is arranged between the first accommodating concave portion 311 and the first convex rib 321, and a first arc-shaped convex portion 43 abutting against the first arc-shaped concave portion 34 is arranged on the inner side of the top of the first waterproof convex portion 411; a first inclined surface 35 is arranged between the second convex rib 322 and the third containing concave position 313; and, a fourth waterproof convex part 414 is provided outside the first waterproof convex part 411; the waterproof SR buckle 4 with the structure is installed at the wire outlet 3 firmly, and is not easy to displace and generate gaps even if being pulled by external force.

Referring to fig. 1, 2 and 4, the upper housing 1 and the lower housing 2 are connected in a buckling manner, and enclose a containing space for installing a circuit board, and the containing space is communicated with the outside through an outlet 3; in the embodiment of the present application, the upper case 1 is provided with the fastening convex point 11, and the lower case 2 is provided with the fastening gap 21 for inserting the fastening convex point 11; the buckling connection is adopted, so that the maintenance and the maintenance of the internal parts of the protective shell are convenient to follow-up

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a waterproof construction of protective housing, detains (4) including last casing (1), lower casing (2) and waterproof SR line, go up casing (1) and lower casing (2) and connect and enclose and construct outlet (3), waterproof SR line is detained (4) and is installed in outlet (3), its characterized in that: waterproof SR line is detained (4) surface and is provided with waterproof convex part (41) and waterproof groove (42), outlet (3) are provided with and supply waterproof convex part (41) male to hold concave position (31) and be used for inserting protruding muscle (32) of waterproof groove (42), hold concave position (31) and protruding muscle (32) surface and be provided with waterproof sand grip (33) of embedding waterproof convex part (41) and waterproof groove (42).

2. The waterproof structure of the protective case according to claim 1, characterized in that: waterproof convex part (41) are including the first waterproof convex part (411), the waterproof convex part of second (412) and the waterproof convex part of third (413) that the interval set up, hold concave position (31) including supplying first waterproof convex part (411), the waterproof convex part of second (412) and the waterproof convex part of third (413) correspond male first and hold concave position (311), the second holds concave position (312) and the concave position of third (313) of holding.

3. The waterproof structure of the protective case according to claim 2, characterized in that: the convex ribs (32) comprise a first convex rib (321) arranged between the first containing concave position (311) and the second containing concave position (312) and a second convex rib (322) arranged between the second containing concave position (312) and the third containing concave position (313).

4. The waterproof structure of the protective case according to claim 3, characterized in that: be provided with first arc concave position (34) between first concave position (311) of holding and first protruding muscle (321), the top inboard of first waterproof convex part (411) is provided with first arc convex part (43) that support and lean on first arc concave position (34).

5. The waterproof structure of the protective case according to claim 3, characterized in that: a first inclined surface (35) is arranged between the second convex rib (322) and the third containing concave position (313).

6. The waterproof structure of the protective case according to claim 1, characterized in that: the waterproof convex strips (33) are arranged in a triangular structure.

7. The waterproof structure of the protective case according to any one of claims 1 to 6, characterized in that: the upper shell (1) and the lower shell (2) are connected in a buckling manner.

8. The waterproof structure of the protective case according to claim 7, characterized in that: go up casing (1) and be provided with lock bump (11), lower casing (2) are provided with and supply lock bump (11) male lock breach (21).