CN213342906U - Waterproof shell - Google Patents

Abstract

The utility model discloses a waterproof case, include: the side of the first cover body is provided with a positioning groove along the thickness direction; the sealing ring is arranged in the positioning groove; the second lid, week side of second lid is equipped with the convex part along thickness direction, the convex part with the constant head tank cooperatees, the convex part tip is equipped with the rib, the rib is suitable for compressing tightly the sealing washer. The utility model discloses a waterproof case utilizes the rib butt and compresses tightly the sealing washer through set up the sealing washer in the constant head tank, makes the sealing washer receive extrusion deformation to seal up the gap between the lid. This seal structure can prevent that liquid from passing through inside the clearance infiltration lid, has that waterproof performance is outstanding, simple structure easily realizes the advantage.

Description

Waterproof shell

Technical Field

The utility model relates to an electronic product protection field, in particular to waterproof housing.

Background

The shell of electronic products is usually composed of shells spliced with each other, and most of the shells are not designed to be waterproof, so that liquid easily permeates into the product from gaps between the shells of the products, and internal electronic elements are damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a waterproof case can effectively prevent the infiltration of moisture.

According to the utility model discloses a waterproof case of embodiment, include: the side edge of the first cover body is provided with a positioning groove along the bottom edge; the sealing ring is arranged in the positioning groove; the periphery of the second cover body is provided with a convex part along the thickness direction, the convex part is matched with the positioning groove, and the end part of the convex part is provided with a rib which is suitable for pressing the sealing ring.

According to the utility model discloses waterproof housing has following beneficial effect at least: the first cover body and the second cover body are matched through the positioning groove and the convex portion to realize buckling of the cover body, the sealing ring is arranged in the positioning groove, the rib is abutted to the sealing ring and is pressed tightly, and therefore the sealing ring is extruded and deformed, and a gap between the cover bodies is sealed. This seal structure can prevent that liquid from passing through inside the clearance infiltration lid, has that waterproof performance is outstanding, simple structure easily realizes the advantage.

According to some embodiments of the utility model, still include a plurality of screws, be equipped with a plurality of screw holes between first lid and the second lid, the screw is inserted and is located in the screw hole, is suitable for fixed first lid and second lid. Through set up complex screw hole and screw at first lid and second lid, realize the fastening between the lid, provide the effort for the rib compresses tightly the sealing washer.

According to some embodiments of the utility model, the screw hole is the counter bore, and the counter bore is the ladder structure hole, is suitable for to sink into the internal lid with the head of screw completely.

According to some embodiments of the utility model, still include the gasket, the gasket sets up between screw and screw hole. Through setting up the gasket, utilize the screw to compress tightly the gasket on the screw hole, can realize the waterproof sealing of screw hole department.

According to some embodiments of the utility model, the gasket adopts silica gel material to make, and silica gel material has yielding characteristics, and the deformation state after compressing tightly can provide the pretightning force, guarantees waterproof sealing effect.

According to some embodiments of the utility model, the convex part cross-section is trapezoidal form, and the convex part structure of trapezoidal form can conveniently imbed in the constant head tank.

According to some embodiments of the utility model, the sealing washer is O type sealing washer, and O type sealing washer is applicable to static seal, and for other kinds of sealing washers, O type sealing washer can provide great pretightning force, has double-sided seal, compact structure's advantage.

Additional aspects and advantages of the invention 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 invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is an exploded view of the waterproof case of the present embodiment;

FIG. 2 is a sectional view of the waterproof case of the present embodiment;

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

reference numerals: a first cover body 100; a positioning groove 101; the second cover 200; a convex portion 201; ribs 202; a seal ring 300; a screw 400; a threaded hole 500; a shim 600.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "lateral", "longitudinal", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

According to the utility model discloses a waterproof case, refer to fig. 1, fig. 2, fig. 3, include: a first cover body 100, wherein a positioning groove 101 is arranged on the peripheral side of the first cover body 100 along the thickness direction; the sealing ring 300 is arranged in the positioning groove 101; the second lid body 200, the periphery of the second lid body 200 is provided with a convex portion 201 along the bottom edge, the convex portion 201 is matched with the positioning groove 101, the end of the convex portion 201 is provided with a rib 202, and the rib 202 is suitable for compressing the sealing ring 300. In this embodiment, the first cover body 100 and the second cover body 200 are rectangular structures corresponding to each other in the vertical direction, the first cover body 100 is disposed above the second cover body 200, the opening of the positioning groove 101 faces downward, the protruding portion 201 faces upward, the sealing ring 300 is accommodated in the positioning groove 101, the cross section of the protruding portion 201 has a width matching with that of the notch of the positioning groove 101, the protruding portion 201 is connected to the positioning groove 101 in a matching manner, meanwhile, the upper end of the protruding portion 201 is provided with a rib 202 protruding from the protruding portion 201, the protruding portion 201 and the rib 202 are in a stepped structure, the rib 202 abuts against the sealing ring 300, and the sealing ring 300 is compressed.

According to the utility model discloses waterproof housing has following beneficial effect at least: the first cover body and the second cover body are matched through the positioning groove and the convex portion to realize buckling of the cover body, the sealing ring is arranged in the positioning groove, the rib is abutted to the sealing ring and is pressed tightly, and therefore the sealing ring is extruded and deformed, and a gap between the cover bodies is sealed. This seal structure can prevent that liquid from passing through inside the clearance infiltration lid, has that waterproof performance is outstanding, simple structure easily realizes the advantage. The sealing structure can prevent liquid from permeating into the shell through the gap, and has the advantages of excellent waterproof performance, simple and compact structure and easy realization

In some embodiments of the present invention, referring to fig. 2, the cover further includes a plurality of screws 400, a plurality of threaded holes 500 are disposed between the first cover body 100 and the second cover body 200, and the screws 400 are inserted into the threaded holes 500 and are adapted to fix the first cover body 100 and the second cover body 200. In this embodiment, four sets of screws 400 and threaded holes 500 are provided, which are respectively disposed at four corners of the cover body, the threaded holes 500 are formed by splicing the openings of the first cover body 100 and the second cover body 200, the first cover body 100 has a through hole structure, and the second cover body 200 has a blind hole structure. The first cover body 100 and the second cover body 200 are provided with the screw holes 500 and the screws 400 which are matched with each other, so that the cover bodies are fastened to each other, and acting force is provided for the ribs 202 to press the seal ring 300.

In some embodiments of the present invention, referring to fig. 2, the threaded hole 500 is a counterbore. The counter bore is a stepped structure bore adapted to fully recess the head of the screw 400 into the cap body.

In some embodiments of the present invention, referring to fig. 1 and fig. 2, the present invention further includes a gasket 600, and the gasket 600 is disposed between the screw 400 and the threaded hole 500. By providing the gasket 600, the gasket 600 is pressed against the screw hole 500 by the head of the screw 400, and the waterproof sealing of the screw hole 500 can be achieved.

In some embodiments of the present invention, the gasket is made of a silicone material. The silica gel material has yielding characteristics, and the deformation state after compressing tightly can provide the pretightning force, guarantees waterproof sealing effect.

In some embodiments of the present invention, referring to fig. 3, the cross-section of the protrusion 201 is trapezoidal, and the top width is smaller than the bottom width. By providing the trapezoidal protrusion 201, the trapezoidal structure can be easily inserted into the positioning groove 101.

In some embodiments of the present invention, referring to fig. 1 and 3, the sealing ring 300 is an O-ring. The O-shaped sealing ring is suitable for static sealing, can provide larger pretightening force compared with other sealing rings, and has the advantages of double-sided sealing and compact structure.

In the description herein, references to the description of "some embodiments" mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (7)

1. A waterproof case, comprising:

the side edge of the first cover body is provided with a positioning groove along the bottom edge;

the sealing ring is arranged in the positioning groove;

the second lid, week side of second lid is equipped with the convex part along thickness direction, the convex part with the constant head tank cooperatees, the convex part tip is equipped with the rib, the rib is suitable for compressing tightly the sealing washer.

2. The waterproof housing of claim 1, further comprising a plurality of screws, wherein a plurality of threaded holes are formed between the first cover and the second cover, and the screws are inserted into the threaded holes and adapted to fix the first cover and the second cover.

3. The waterproof housing of claim 2 wherein said threaded hole is a counterbore.

4. The water resistant housing of claim 2 further comprising a spacer disposed between the screw and the threaded hole.

5. The waterproof case of claim 4, wherein said gasket is made of silicone material.

6. A water resistant casing according to claim 1 wherein the projections are trapezoidal in cross-section.

7. The waterproof housing of claim 1 wherein said seal is an O-ring seal.

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