CN219958835U - Waterproof structure of key - Google Patents

Abstract

The utility model relates to the technical field of keys, in particular to a key waterproof structure, which comprises a shell, wherein a plastic support, a PCBA plate and a key waterproof pad are arranged in the shell in a stacked manner, at least one bulge packet is arranged on the key waterproof pad, plastic keys are connected to the upper sides of the bulge packets, the same number of electronic keys are arranged on the upper sides of the PCBA plate corresponding to the bulge packets, convex grooves are arranged on the upper sides of the bulge packets, the key waterproof pad is tightly pressed between the PCBA plate and the shell, deformation of the bulge packet can not cause water and moist air to enter the shell in the process of triggering the electronic keys by pressing the plastic keys, an inserting column of a TYPE-C silica gel plug is in interference fit with a limiting hole, a wrapping part is matched with a TYPE-C interface structure, tightness in the use process of the TYPE-C interface can be guaranteed, the plastic support, the PCBA plate and the key waterproof pad layer are in a stacked position limiting manner, and the T-shaped keys of the plastic keys can be embedded into the convex grooves to complete assembly, and the assembly process is simple.

Description

Waterproof structure of key

Technical Field

The utility model relates to the technical field of keys, in particular to a key waterproof structure.

Background

In terms of durability, the physical key is more durable than the solid key, because the physical key belongs to a mechanical key, the physical key can bear more pressing force and is stable in use, and in addition, the physical key has the advantages of energy saving, safety, cleanliness and the like, and is more suitable for operation in general families;

along with the progress of science and technology, various portable intelligent devices have been developed, such as: massage appearance or neck hanging earphone etc. when carrying out the instruction input to the entity button of personal smart machine, water or external moist air can enter into the smart machine through the clearance of button and casing in to can lead to the damage or the short circuit of the inside components and parts of smart machine, greatly shortened the life of smart machine, for this the utility model provides a button waterproof construction is used for solving above-mentioned problem.

Disclosure of Invention

The utility model aims to provide a key waterproof structure, which solves the technical problems that the damage or short circuit of components in intelligent equipment can be caused by the fact that water or outside moist air can enter the intelligent equipment through the gap between a key and a shell, and the service life of the intelligent equipment is greatly shortened.

The technical aim of the utility model is realized by the following technical scheme:

the utility model provides a button waterproof construction, includes the shell, range upon range of plastics support, PCBA board and the button waterproof pad of being provided with in the shell, be provided with at least one uplift package on the button waterproof pad, uplift package upside all is connected with the plastics button, the upside of PCBA board corresponds uplift package and is provided with the electron button of same quantity, wherein, the upside of uplift package all is provided with the tongue, plastics button one end is provided with the T TYPE key with tongue looks adaptation, the other end of plastics button wears out the shell setting, the electron button just sets up with the plastics button, just can dismantle between PCBA board and the plastics support and be connected with TYPE-C silica gel plug.

The beneficial effects are that: this button waterproof construction, button waterproof pad is compressed tightly between PCBA board, shell, press the in-process that plastics button triggered electronic button, the deformation that rises the package can not lead to water, moist air to get into inside the shell, the spliced pole and the spacing hole interference fit of TYPE-C silica gel plug, parcel portion adaptation TYPE-C interface structure can ensure the leakproofness of TYPE-C interface in the use, and plastics support, PCBA board and button waterproof pad fold spacingly, the T TYPE key of plastics button can be embedded in the tongue, assembly process is simple and easy, easily manufacturing.

Further, plastic support inner wall equidistance is provided with a plurality of recess boards, interval and PCBA board's width between the recess board both ends are unanimous, and one of them recess board one side is provided with the spliced pole, be provided with on the PCBA board with the spacing hole of spliced pole looks adaptation.

Further, two between the concave plates and be located the downside of PCBA board and be fixed with TYPE-C interface, TYPE-C interface's tip outside cover is equipped with sealing washer, TYPE-C interface wears out plastics support, shell setting.

Further, TYPE-C silica gel plug comprises shielding part and is located grafting post, the parcel portion of shielding part one side, the opposite side of shielding part is provided with the sign that charges, the one end outside of grafting post is provided with the expansion portion.

Further, be provided with the recess of adaptation shielding part on the shell, the jack has been seted up to recess one end, wherein, the spliced pole is inserted and is established in having the interlude hole, parcel portion adaptation TYPE-C interface structure.

Further, convex rings are arranged on the periphery of the plastic keys and on the waterproof pads of the keys, and the shell is provided with a contour matching with the plastic keys.

Drawings

FIG. 1 is an exploded view of a waterproof structure of a key according to the present utility model;

fig. 2 is a side sectional view of a waterproof structure of a key according to the present utility model.

Reference numeral 1, a housing; 11. a groove; 12. penetrating the jack; 2. a plastic bracket; 21. a concave plate; 22. a TYPE-C interface; 23. a sealing gasket; 24. inserting a column; 3. PCBA board; 31. an electronic key; 4. a key waterproof pad; 41. a bulge bag; 42. a convex groove; 5. a plastic key; 51. a T-bond; 6. TYPE-C silica gel plug; 61. a shielding part; 62. a plug-in column; 63. and a wrapping part.

Description of the embodiments

The following description is only of the preferred embodiments of the present utility model, and the scope of the present utility model should not be limited to the examples, but should be construed as falling within the scope of the present utility model. It should also be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present utility model are intended to be comprehended within the scope of the present utility model.

Referring to fig. 1 to 2, a key waterproof structure comprises a housing 1, wherein a plastic support 2, a PCBA plate 3 and a key waterproof pad 4 are stacked in the housing 1, a plurality of concave plates 21 are arranged on the inner wall of the plastic support 2 at equal intervals, the distance between two ends of each concave plate 21 is consistent with the width of the PCBA plate 3, a plug column 24 is arranged on one side of one concave plate 21, and a limit hole matched with the plug column 24 is formed in the PCBA plate 3;

specifically, the PCBA plate 3 can be limited by the concave plate 21 from front to back, and the plug 24 can prevent the PCBA plate 3 from moving left and right, so that the plastic bracket 2, the PCBA plate 3 and the key waterproof pad 4 can be assembled in a aligned manner, and can be inserted into the housing 1 after being assembled, and the assembly is simple.

Further, a TYPE-C interface 22 is fixed between the two concave plates 21 and positioned at the lower side of the PCBA plate 3, a sealing gasket 23 is sleeved outside the end part of the TYPE-C interface 22, and the TYPE-C interface 22 penetrates out of the plastic bracket 2 and the shell 1 to be arranged;

specifically, the sealing gasket 23 is located between the TYPE-C interface 22 and the housing 1, and can prevent the gap between the two from being sealed inaccurately.

Further, the TYPE-C silica gel plug 6 is composed of a shielding portion 61, a plug-in column 62 and a wrapping portion 63, wherein the plug-in column 62 and the wrapping portion 63 are located on one side of the shielding portion 61, a charging identifier is arranged on the other side of the shielding portion 61, and an expanding portion is arranged on the outer side of one end of the plug-in column 62;

specifically, the plug-in post 62 and the insertion hole 12 are in interference fit, so that the tightness can be ensured when the plug-in post 62 slides, and the expansion part can prevent the plug-in post 62 from being completely separated and lost.

Further, a groove 11 adapted to the shielding portion 61 is provided on the housing 1, one end of the groove 11 is provided with a through hole 12, wherein the plug-in post 62 is inserted into the through hole 12, and the wrapping portion 63 is adapted to the TYPE-C interface 22 structure;

specifically, the shielding part 61 is pulled outwards, so that the TYPE-C interface 22 can be exposed, the charging operation is convenient to perform, the shielding part 61 is reset, the wrapping part 63 is sleeved at the TYPE-C interface 22, and the TYPE-C interface 22 can be prevented from being contacted by water or humid air.

Further, at least one bulge packet 41 is arranged on the key waterproof pad 4, plastic keys 5 are connected to the upper sides of the bulge packets 41, the same number of electronic keys 31 are arranged on the upper sides of the PCBA boards 3 corresponding to the bulge packets 41, convex grooves 42 are arranged on the upper sides of the bulge packets 41, T-shaped keys 51 matched with the convex grooves 42 are arranged at one ends of the plastic keys 5, the other ends of the plastic keys 5 penetrate through the shell 1, the electronic keys 31 are arranged opposite to the plastic keys 5, TYPE-C silica gel plugs 6 are detachably connected between the PCBA boards 3 and the plastic supports 2, convex rings are arranged on the peripheries of the plastic keys 5 and located on the key waterproof pad 4, and the shell 1 is provided with contours matched with the plastic keys 5;

specifically, pressing the plastic key 5 can squeeze the bulge package 41 to deform to trigger the electronic key 31, and the plastic key 5 is easy to assemble, the convex ring area is small, and the plastic key 5 is easy to be extruded and deformed, so that the tightness of the joint of the plastic key 5 and the shell 1 is ensured.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a button waterproof construction, includes shell (1), its characterized in that, shell (1) inlayed is provided with plastic support (2), PCBA board (3) and button waterproof pad (4), be provided with at least one uplift package (41) on button waterproof pad (4), uplift package (41) upside all is connected with plastic button (5), uplift package (41) are corresponding to the upside of PCBA board (3) are provided with the electron button (31) of same quantity, wherein, uplift package (41)'s upside all is provided with tongue (42), plastic button (5) one end is provided with T TYPE key (51) with tongue (42) looks adaptation, plastic button (5) the other end wears out shell (1) setting, electron button (31) are just to setting up with plastic button (5), just can dismantle between pcBA board (3) and plastic support (2) and be connected with TYPE-C silica gel stopper (6).

2. The key waterproof structure according to claim 1, wherein: the novel plastic support is characterized in that a plurality of concave plates (21) are arranged on the inner wall of the plastic support (2) at equal intervals, the distance between two ends of each concave plate (21) is consistent with the width of the PCBA (printed circuit board assembly) board (3), an inserting column (24) is arranged on one side of one concave plate (21), and a limiting hole matched with the inserting column (24) is formed in the PCBA board (3).

3. The key waterproof structure according to claim 2, wherein: two between concave plate (21) and be located the downside of PCBA board (3) and be fixed with TYPE-C interface (22), the tip outside cover of TYPE-C interface (22) is equipped with sealing washer (23), TYPE-C interface (22) wear out plastic support (2), shell (1) setting.

4. The key waterproof structure according to claim 1, wherein: TYPE-C silica gel stopper (6) comprise shielding part (61) and be located grafting post (62) of shielding part (61) one side, parcel portion (63), the opposite side of shielding part (61) is provided with the sign that charges, the one end outside of grafting post (62) is provided with the expansion portion.

5. The key waterproof structure according to claim 4, wherein: be provided with recess (11) of adaptation shielding part (61) on shell (1), perforating hole (12) have been seted up to recess (11) one end, wherein, grafting post (62) are inserted and are established in having perforating hole (12), parcel portion (63) adaptation TYPE-C interface (22) structure.

6. The key waterproof structure according to claim 1, wherein: convex rings are arranged on the periphery of the plastic key (5) and the waterproof pad (4), and grooves matched with the outline of the plastic key (5) are arranged on the shell (1).