CN212725083U - Electronic device - Google Patents

Abstract

The utility model discloses an electronic equipment relates to electronic equipment technical field, and the main objective realizes improving the sealed water-proof effects of button when guaranteeing the simple to operate nature between button and the casing. The utility model discloses a main technical scheme does: the electronic equipment comprises a shell, wherein a mounting hole is formed in the shell, and a sealing groove is formed in the circumferential direction of the mounting hole; the key comprises a key cap and a sealing rib arranged on the key cap, the sealing rib is inserted into the sealing groove and is in clearance fit with the sealing groove, and the key cap is buckled in the mounting hole.

Description

Electronic device

Technical Field

The utility model relates to an electronic equipment technical field especially relates to an electronic equipment.

Background

The keys of the electronic product are usually connected with the switch devices on the main board, so that the sealing and the water proofing of the keys directly influence the normal work of the main board.

At present, the key of the electronic product is made of elastic materials, and the key is matched with the through hole of the shell in an interference fit manner to achieve the purpose of sealing and waterproofing. However, if the matching interference magnitude of the key and the via hole is large, although the waterproof reliability can be improved, the key is difficult to install and inconvenient to adjust after installation, and if the matching interference magnitude of the key and the via hole is small, the leakage phenomenon is easy to occur although the installation is convenient, and the waterproof reliability is low.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides an electronic equipment, the main objective is realized guaranteeing the simple to operate nature between button and the casing in, improves the sealed water-proof effects of button.

In order to achieve the above object, the utility model mainly provides the following technical scheme:

an embodiment of the utility model provides an electronic equipment, include:

the sealing device comprises a shell, wherein a mounting hole is formed in the shell, and a sealing groove is formed in the circumferential direction of the mounting hole;

the key comprises a key cap and a sealing rib arranged on the key cap, the sealing rib is inserted into the sealing groove and is in clearance fit with the sealing groove, and the key cap is buckled in the mounting hole.

Further, the sealing groove and the sealing rib are circular rings or polygonal rings.

Furthermore, a gap is formed between the sealing groove and the sealing rib, and a liquid resisting layer is filled in the gap.

Further, the key further comprises a main body which extends outwards based on the surface of the keycap and is positioned inside the sealing rib; the end part of the main body is provided with a convex edge extending outwards;

the main body is inserted into the mounting hole, and the main body and the convex edge are attached to the inner wall of the mounting hole.

Furthermore, the side surface of the sealing rib and the side surface of the sealing groove are matched planes, wavy surfaces or sawtooth surfaces;

and the end part of the sealing rib is provided with a flanging.

Further, the body is an elastomer;

a recessed area is arranged on the end face of the main body.

Further, the recessed region is an annular groove disposed around the center of the end face of the body.

Further, the annular groove is a conical groove, a small end of the conical groove faces the keycap, and a large end of the conical groove faces the end of the main body;

a first boss is formed on the part of the main body surrounded by the annular groove and is connected with the switch piece in the shell in a matching way;

the end of the main body is provided with a first chamfer.

Further, the side surface of the sealing rib has a draft angle;

the side of the sealing groove is an inclined surface matched with the side of the sealing rib.

Further, the inclination of the inclined surface is smaller than or equal to the draft of the pattern;

and a second chamfer is arranged at the inlet end of the sealing groove.

Furthermore, a through hole is formed in the shell, a second annular boss is arranged on the inner peripheral wall of the through hole, and the second boss extends towards the inlet direction of the through hole along an L-shaped track;

the inner surface of the second boss forms the seal groove;

the space enclosed by the outer surface of the second boss forms the mounting hole.

Borrow by above-mentioned technical scheme, the utility model discloses following beneficial effect has at least:

the embodiment of the utility model provides an electronic equipment sets up the seal groove through the circumference at the casing mounting hole, and set up sealed muscle on the key cap of button, make the button can be connected through the seal groove interpolation on sealed muscle on it and the casing, and, be clearance fit between sealed muscle and the seal groove, so, waterproof construction has been formed between sealed muscle and the seal groove promptly, thereby the sealed water-proof effects of button has been guaranteed, and, can also install the button through the mode that inserts sealed muscle to the seal groove, and can also adjust the button through operations such as rotatory key cap after the installation, make the installation and the regulation of button all comparatively convenient, that is to say, the utility model provides an electronic equipment has improved the sealed water-proof effects of button when having guaranteed button and casing simple to operate.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of an electronic device according to an embodiment of the present invention;

FIG. 3 is a schematic structural diagram of the key shown in FIG. 1 or FIG. 2;

FIG. 4 is a cross-sectional view of the key of FIG. 1 or FIG. 2;

fig. 5 is a schematic structural diagram of the housing in fig. 1 or fig. 2.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" 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 to simplify the description, but do not indicate or imply that the device or element 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, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, 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 specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be 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 according to specific situations by those skilled in the art.

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

As shown in fig. 1, an embodiment of the present invention provides an electronic device, which includes a housing 1, wherein a mounting hole 11 is formed in the housing 1, and a sealing groove 111 is formed in a circumferential direction of the mounting hole 11; the key 2 includes a key cap 21 and a sealing rib 22 disposed on the key cap 21, the sealing rib 22 is inserted into the sealing groove 111 and is in clearance fit with the sealing groove 111, and the key cap 21 is fastened in the mounting hole 11.

The electronic equipment can be cooking equipment such as a frying pan. Wherein, the whole key 2 can be an integrated structure and made of elastic material; the sealing rib 22 is in clearance fit with the sealing groove 111, so that the waterproof effect of the key 2 is ensured while the installation convenience between the key 2 and the housing 1 is ensured, and it should be noted that the clearance fit here refers to transition fit or clearance fit.

The electronic equipment provided by the embodiment of the utility model is provided with the sealing groove 111 along the circumferential direction of the mounting hole of the shell 1, and a sealing rib 22 is arranged on the key cap of the key 2, so that the key 2 can be inserted and connected with the sealing groove 111 on the shell 1 through the sealing rib 22 on the key 2, moreover, the sealing rib 22 is in clearance fit with the sealing groove 111, so that a waterproof structure is formed between the sealing rib 22 and the sealing groove 111, thereby ensuring the sealing and waterproof effects of the key 2, and, by inserting the sealing rib 22 into the sealing groove 111 to install the key 2, and can also adjust button 2 through operations such as rotatory key cap after the installation for the installation of button 2 is all comparatively convenient with the regulation, that is to say, the embodiment of the utility model provides an electronic equipment has improved the sealed water-proof effects of button 2 when having guaranteed button 2 and 1 simple to operate of casing.

In an optional embodiment, the sealing groove 111 and the sealing rib 22 may be circular rings or polygonal rings, so that the annular surface between the sealing groove 111 and the sealing rib 22 is in transition fit or clearance fit to form a waterproof structure, thereby ensuring the installation convenience of the key 2 and improving the waterproof effect thereof. The sealing rib 22 and the sealing groove 111 may be in a shape of a circular ring, a quadrangle, or a hexagon, and may be specifically determined according to a structural form of the key 2.

In order to further improve the sealing and waterproof effect of the key 2, in an alternative embodiment, referring to fig. 2, a gap may be provided between the sealing groove 111 and the sealing rib 22, and the gap may be filled with the liquid-resistant layer 3.

In the above embodiment, the space between the sealing groove 111 and the sealing rib 22 is filled with the liquid-resistant layer, so that the liquid-resistant layer can further prevent liquid such as water from entering the space between the sealing groove 111 and the sealing rib 22, thereby further preventing liquid such as water from entering the casing 1, if the transition or clearance fit between the sealing groove 111 and the sealing rib 22 is used as the first waterproof of the key 2, then, the liquid-resistant layer arranged in the space forms the second waterproof of the key 2, thereby further improving the sealing waterproof effect of the key 2. Wherein, this hinder liquid layer specifically can be for waterproof silica gel etc. have water-proof effects's material, specifically, can be before installation button 2, waterproof silica gel is crowded into in the seal groove 111 of casing 1, insert the seal groove 111 with the sealed muscle 22 of button 2 again in, make waterproof silica gel fill up whole space after the extrusion, and, the unnecessary waterproof silica gel in extruded space can fill up first waterproof construction's clearance, the clearance between the annular face of sealed muscle 22 and seal groove 111 promptly, thereby first waterproof water-proof effects has been strengthened, thereby the sealed water-proof effects of button 2 has further been improved.

In order to further enhance the waterproof sealing effect of the key 2, in an alternative embodiment, referring to fig. 2, 3 and 4, the key 2 may further include a main body 23 extending outward based on the surface of the key cap 21 and located inside the sealing rib 22; the end of the body 23 may be provided with an outwardly extending ledge 234; the main body 23 is inserted into the mounting hole 11, and the main body 23 and the protruding edge 234 are attached to the inner wall of the mounting hole 11.

In the above embodiment, the main body 23 and the protruding edge 234 are attached to the inner wall of the mounting hole 11, that is, the interference fit between the main body 23 and the mounting hole 11 and the fit between the protruding edge 234 and the inner wall shield the third waterproof, so that the sealing and waterproof effects of the key 2 are further improved. The interference between the main body 23 and the mounting hole 11 can be adjusted according to the elastic hardness of the material of the key 2. Moreover, since the key 2 has the above-mentioned multiple waterproof structure, the interference between the main body 23 and the mounting hole 11 may be less than half of the waterproof interference of a general key, but should not be less than one third of the waterproof interference of a general key, and specifically, the specific value of the interference may be selected according to the related design manual, the elastic hardness of the key material, the key size, and the like.

It should be noted that, the cooperation between main part 23 and mounting hole 11 can be interference fit or transition fit, can effectively strain the front and back terminal surface of button 2 like this for button 2 can realize inseparabler from laminating with the mounting hole 11 of casing 1, avoids button 2 to come loose from mounting hole 11, thereby has further improved first waterproof and the waterproof water-proof effects of second.

In an alternative embodiment, the side surface of the sealing rib 22 and the side surface of the sealing groove 111 may be a matching plane, a wavy surface, or a sawtooth surface, so as to further improve the first waterproof sealing and waterproofing effect, and the side surface of the sealing rib 22 and the side surface of the sealing groove 111 are configured as matching wavy surfaces or sawtooth surfaces, so as to prevent the key 2 from being loosened from the mounting hole 11 due to aging after long-term use.

In an alternative embodiment, the end of the sealing rib 22 may be provided with a flange to further improve the first waterproof sealing effect, and further, to prevent the key 2 from being loosened from the mounting hole 11 due to aging after long-term use.

To facilitate the mounting of the keys 2 on the casing 1, in an alternative embodiment, see fig. 2, 3 and 4, the body 23 is an elastomer; a recessed region 231 may be provided on an end surface of the body 23. Through set up depressed area 231 on the terminal surface of main part 23, realized when installation button 2, main part 23 can take place deformation because of depressed area 231's existence after the extrusion, causes the volume of its tip to diminish to can conveniently crowd into mounting hole 11 in, simple to operate.

In an alternative embodiment, referring to fig. 2, 3 and 4, the recessed region 231 may be an annular groove disposed about the center of the end face of the body 23. Specifically, the annular groove may be a tapered groove, a small end of the tapered groove faces the key cap 21, and a large end of the tapered groove faces the end of the main body 23, so that when the key 2 is installed, the end of the main body 23 is more regular in shape and smaller in volume after being extruded, and therefore the main body can be more conveniently extruded into the installation hole 11, and installation is more convenient.

In an alternative embodiment, referring to fig. 2, a first boss 232 may be formed on the main body 23 at a portion surrounded by the annular groove, and the first boss 232 is connected to the switch member 12 in the housing 1. When the key cap is pressed, the key cap drives the first boss 232 to press the switch element 12, so as to realize the function of pressing the key 2 of the key 2.

In an alternative embodiment, referring to fig. 2, 3 and 4, the end of the main body 23 is provided with a first chamfer 233 to guide the insertion of the main body 23 into the mounting hole 11 when the key 2 is mounted, so that the main body 23 can be smoothly squeezed into the mounting hole 11, and the mounting of the key 2 is further facilitated.

In an alternative embodiment, referring to fig. 2, 4 and 5, the sides of the sealing ribs 22 may have draft angles; the side of the sealing groove 111 is an inclined surface matched with the side of the sealing rib 22, so that the sealing rib 22 can be more smoothly squeezed into the sealing groove 111, and the installation and the water prevention of the key 2 are realized. It should be noted that, in the present embodiment, the inclination of the inclined surface of the sealing groove 111 may be smaller than or equal to the draft angle of the sealing rib 22, so as to improve the sealing effect between the sealing rib 22 and the sealing groove 111.

In an alternative embodiment, referring to fig. 5, the inlet end of the sealing groove 111 may be provided with a second chamfer 112, so that the sealing rib 22 can be more easily squeezed into the sealing groove 111, further facilitating the installation of the key 2.

In an alternative embodiment, referring to fig. 5, a through hole may be provided on the housing 1, and an inner peripheral wall of the through hole is provided with a second boss 13 in a ring shape, and the second boss 13 is arranged along an L-shaped track extending toward an inlet direction of the through hole; a seal groove 111 is formed in the inner surface of the second boss 13; the space that the surface of second boss 13 encloses forms mounting hole 11, simple structure, simple to operate.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (11)

1. An electronic device, comprising:

the sealing structure comprises a shell (1), wherein a mounting hole (11) is formed in the shell (1), and a sealing groove (111) is formed in the circumferential direction of the mounting hole (11);

the key (2), the key (2) include key cap (21) and set up in sealed muscle (22) on key cap (21), sealed muscle (22) insert locate in seal groove (111), and with seal groove (111) clearance fit, key cap (21) lock in mounting hole (11).

2. The electronic device of claim 1,

the sealing groove (111) and the sealing rib (22) are circular or polygonal rings.

3. The electronic device of claim 1,

a gap is formed between the sealing groove (111) and the sealing rib (22), and a liquid resistance layer (3) is filled in the gap.

4. The electronic device of claim 1,

the key (2) further comprises a main body (23) which extends outwards based on the surface of the keycap (21) and is positioned inside the sealing rib (22); the end part of the main body (23) is provided with a convex edge (234) extending outwards;

the main body (23) is inserted into the mounting hole (11), and the main body (23) and the convex edge (234) are attached to the inner wall of the mounting hole (11).

5. The electronic device of claim 1,

the side surface of the sealing rib (22) and the side surface of the sealing groove (111) are matched planes, wavy surfaces or sawtooth surfaces;

and the end part of the sealing rib (22) is provided with a flanging.

6. The electronic device of claim 4,

the main body (23) is an elastomer;

a recessed region (231) is provided on an end surface of the main body (23).

7. The electronic device of claim 6,

the recessed region (231) is an annular groove disposed around the center of the end face of the body (23).

8. The electronic device of claim 7,

the annular groove is a conical groove, the small end of the conical groove faces the keycap (21), and the large end of the conical groove faces the end of the main body (23);

the part of the main body (23) surrounded by the annular groove forms a first boss (232), and the first boss (232) is matched and connected with a switch piece (12) in the shell (1);

the end of the main body (23) is provided with a first chamfer (233).

9. The electronic device of claim 1,

the side surface of the sealing rib (22) is provided with a draft angle;

the side surface of the sealing groove (111) is an inclined surface matched with the side surface of the sealing rib (22).

10. The electronic device of claim 9,

the inclination of the inclined surface is smaller than or equal to the draft of the drawing die;

the inlet end of the sealing groove (111) is provided with a second chamfer (112).

11. The electronic device of claim 1,

the shell (1) is provided with a through hole, the inner peripheral wall of the through hole is provided with a second annular boss (13), and the second boss (13) extends towards the inlet direction of the through hole along an L-shaped track;

the inner surface of the second boss (13) forms the seal groove (111);

the space surrounded by the outer surface of the second boss (13) forms the mounting hole (11).

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