CN220856388U - Waterproof structure of key - Google Patents

Abstract

The utility model discloses a key waterproof structure, which comprises a control panel, a waterproof component and a key capable of emitting light, wherein the control panel is provided with a mounting hole; the waterproof assembly is arranged in the control panel and comprises a waterproof box and a PCB (printed circuit board) which is arranged in the waterproof box and is provided with a pressing part; the key is positioned in the mounting hole and is in sealing connection with the mounting hole, the key comprises a pressure head, and the pressure head can extend into the waterproof box to be in contact with the pressing part; the PCB is positioned in the waterproof box, so that most of water can be blocked by the waterproof box, and the keys are in sealing connection with the mounting holes, so that water cannot enter the waterproof box from gaps between the keys and the mounting holes, the waterproof effect of the keys is improved, and the PCB is prevented from being damaged.

Description

Waterproof structure of key

Technical Field

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

Background

With the improvement of living standard, more and more people choose to use dish washers to replace complicated manual dish washing housework. For the operation of convenience of customers control dish washer, be equipped with control panel on the cabinet door of dish washer generally, be equipped with the main control board that can control dish washer operation in control panel's inside, still be equipped with a plurality of mounting holes on control panel, install the button that can be connected with the main control board in the mounting hole, this button has atmosphere lamp function.

However, since the dishwasher is used in a relatively humid environment such as a kitchen for a long time and is easily contaminated with oil, a user may use a detergent or wet cloth to clean the surface of the dishwasher, particularly the control panel portion, and water may enter the control panel through a gap between the mounting hole and the key during cleaning, resulting in possible damage of the main control panel.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a key waterproof structure.

According to the key waterproof structure provided by the embodiment of the first aspect of the utility model, the key waterproof structure comprises a control panel, a waterproof component and a key capable of emitting light, wherein the control panel is provided with a mounting hole; the waterproof assembly is installed in the control panel and comprises a waterproof box and a PCB, wherein the PCB is installed in the waterproof box and is provided with a pressing part; the button is located in the mounting hole and with mounting hole sealing connection, the button includes the pressure head, the pressure head can stretch into in the waterproof box with press the portion contact.

The key waterproof structure provided by the embodiment of the utility model has at least the following technical effects: the PCB board is located waterproof box to waterproof box can block most water, button and mounting hole sealing connection, in order to make water unable follow the gap entering waterproof box between button and the mounting hole, and then improve button water-proof effects, avoid damaging the PCB board.

According to some embodiments of the utility model, the waterproof box comprises a box body and a cover body, wherein an opening is formed at one end of the box body, which is far away from the mounting hole, the cover body is detachably mounted on the box body and seals the opening, and the PCB board is mounted in the opening.

According to some embodiments of the utility model, the cover is sleeved outside the box, and a sealing ring is arranged between the side wall of the box and the side wall of the cover.

According to some embodiments of the utility model, the cover body has an annular protrusion, and the side wall of the box body away from the mounting hole is located between the protrusion and the inner side wall of the cover body, so that the side wall of the box body away from the mounting hole can clamp the sealing ring between the protrusion and the inner side wall of the cover body.

According to some embodiments of the utility model, a groove is formed at one end of the waterproof box, which is close to the mounting hole, a communication hole is formed at the bottom of the groove, and the pressing part is located at the communication hole.

According to some embodiments of the utility model, the recess has a drain opening in communication with the outside.

According to some embodiments of the utility model, the cover body has a support inside, and the position of the support corresponds to the position of the pressing portion.

According to some embodiments of the utility model, the cover is connected to the case in a snap-fit manner.

According to some embodiments of the utility model, the pressing part has a light emitting element, and the key is transparent.

According to some embodiments of the utility model, the key comprises a buckle extending towards the direction of the PCB, and the key is in limit clamping connection with the control panel through the buckle.

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

Additional aspects and advantages of the present utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

Fig. 1 is a schematic structural diagram of a waterproof structure of a key according to an embodiment of the present utility model;

Fig. 2 is a sectional view of a portion of a waterproof structure of a key according to an embodiment of the present utility model;

Fig. 3 is a schematic structural view of a PCB mounted on a case according to an embodiment of the present utility model;

FIG. 4 is an enlarged view of FIG. 2 at A;

FIG. 5 is a schematic view of a structure of a case according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a cover mounted on a case according to an embodiment of the present utility model;

FIG. 7 is a cross-sectional axial view of a key waterproof structure according to an embodiment of the present utility model;

fig. 8 is another cross-sectional view of a key waterproof structure according to an embodiment of the present utility model.

Reference numerals: control panel 100, mounting hole 110, waterproof assembly 200, waterproof box 210, box 211, opening 2111, clasp 2112, cover 212, protrusion 2121, support 2122, hanging hole 2123, groove 213, communication hole 214, drain 215, PCB 220, pressing portion 221, sealing ring 230, key 300, press head 310, clasp 320.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the 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.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 and 2, the key waterproof structure according to the embodiment of the present utility model includes a control panel 100, a waterproof assembly 200, and a key 300 capable of emitting light, the control panel 100 being provided with a mounting hole 110; the waterproof assembly 200 is installed in the control panel 100, the waterproof assembly 200 includes a waterproof case 210 and a PCB 220, the PCB 220 is installed in the waterproof case 210, and the PCB 220 has a pressing part 221; the key 300 is positioned in the mounting hole 110 and is in sealing connection with the mounting hole 110, and the key 300 includes a pressing head 310, and the pressing head 310 may extend into the waterproof case 210 to contact with the pressing portion 221.

In some embodiments of the present utility model, the key waterproof structure is mainly used on a dishwasher, and the dishwasher may be an embedded dishwasher or a stand-alone dishwasher, and of course, the key waterproof structure of the present utility model is also used on an electrical device with a suitable mounting structure; the key waterproof structure comprises a control panel 100, a waterproof component 200 and a key 300 capable of emitting light, wherein the control panel 100 is usually arranged on a cabinet door of a dish washer, the control panel 100 can be positioned at the top of the cabinet door and/or the front end of the cabinet door, as shown in fig. 1, a plurality of mounting holes 110 are formed in the control panel 100, one key 300 capable of realizing corresponding function control is arranged in each mounting hole 110, and further each key 300 can move up and down relative to the corresponding mounting hole 110, so that corresponding function control is started; the shape of the mounting hole 110 may be circular, square, rectangular, or other polygonal shape, and the shape of at least a top portion of the key 300 matches the shape of the mounting hole 110, e.g., the shape of the mounting hole 110 is circular and the top of the key 300 is circular.

In some embodiments of the present utility model, as shown in fig. 2, a waterproof assembly 200 is provided in the control panel 100, the waterproof assembly 200 includes a waterproof case 210 and a PCB 220, the waterproof case 210 is detachably installed in the control panel 100, specifically, the waterproof case 210 may be fixed on the control panel 100 by a screw, the PCB 220 is installed in the waterproof case 210 to prevent water from entering into the waterproof case 210, wherein the PCB 220 is a core control part of the dishwasher, and is mainly used for controlling operations of the dishwasher, and herein, for convenience of a user to realize corresponding function control through related keys 300, a pressing part 221 is protruded on the PCB 220 at a position corresponding to the keys 300.

In some embodiments of the present utility model, the key 300 is located in the mounting hole 110 and is in sealing connection with the mounting hole 110, specifically, the key 300 may be a key 300 with a sealing effect in the prior art, so that the key 300 can touch the pressing portion 221 and simultaneously seal the mounting hole 110, preventing external water from entering the control panel 100 through a gap between the key 300 and the mounting hole 110, the key 300 includes a pressing head 310, the pressing head 310 can extend into the waterproof case 210 to contact with the pressing portion 221, and when the key 300 is pressed, the pressing head 310 of the key 300 can extend into the waterproof case 210 to touch the pressing portion 221, so that the PCB 220 starts or closes a corresponding function.

In some embodiments of the present utility model, the key 300 may emit light through the light beads of the PCB 220, so that the key 300 may realize an atmosphere lamp, or the key 300 may have the light beads.

The PCB 220 is located in the waterproof box 210, so that the waterproof box 210 can block most of water, and the key 300 is connected with the mounting hole 110 in a sealing manner, so that water cannot enter the waterproof box 210 from a gap between the key 300 and the mounting hole 110, and the waterproof effect of the key 300 is improved, and damage to the PCB 220 is avoided.

In some embodiments of the present utility model, as shown in fig. 2 and 3, the waterproof case 210 includes a case 211 and a cover 212, the end of the case 211 far from the mounting hole 110 has an opening 2111, the cover 212 is detachably mounted on the case 211 and seals the opening 2111, the PCB 220 is mounted in the opening 2111, the cover 212 is detachable to facilitate the assembly and disassembly of the PCB 220, the later maintenance is convenient, and the cover plate can seal the opening 2111 to prevent water from entering the waterproof case 210 through the opening 2111, specifically, when the waterproof case 210 is mounted, the PCB 220 is mounted in the case 211 through the opening 2111, the cover 212 is mounted on the case 211, and then the cover 212, the case 211 and the control panel 100 are sequentially threaded with screws, so that the cover 212 and the case 211 are fixed on the control panel 100 through the screws, it is conceivable that the waterproof case 210 may also be fixed on the control panel 100 through a clamping manner or fixed on the control panel 100 through a clamping manner and a screw fixing manner.

In a further embodiment of the present utility model, as shown in fig. 2 and 4, the cover 212 is sleeved outside the box 211, a sealing ring 230 is provided between the side wall of the box 211 and the side wall of the cover 212, the waterproof box 210 may be circular, rectangular, square or other polygons, specifically, the box 211 is rectangular, the cross section of the cover 212 is in a "U" shape, and the cover 212 is further sleeved outside the box 211, and the sealing ring 230 is located between the side wall of the cover 212 and the side wall of the box 211, so that a gap between the side wall of the cover 212 and the side wall of the box 211 is sealed, and water is prevented from entering the opening 2111 from the gap between the side wall of the cover 212 and the side wall of the box 211, thereby avoiding water loss of the PCB 220.

In a further embodiment of the present utility model, as shown in fig. 2, 4 and 5, the cover 212 has an annular protruding portion 2121 therein, and a side wall of the end of the case 211 away from the mounting hole 110 is located between the protruding portion 2121 and an inner side wall of the cover 212, so that the side wall of the end of the case 211 away from the mounting hole 110 can clamp the sealing ring 230 between the protruding portion 2121 and the inner side wall of the cover 212, that is, the sealing ring 230 is clamped by three structures, namely, the side wall of the end of the case 211 away from the mounting hole 110, the protruding portion 2121 and the inner side wall of the cover 212; specifically, when the cover 212 is fixed on the box 211, the side wall of the end of the box 211 away from the mounting hole 110 is located in the cavity formed between the protruding portion 2121 and the inner side wall of the cover 212, so as to compress the sealing ring 230, further improve the sealing effect of the sealing ring 230, and ensure that water cannot enter.

In a further embodiment of the present utility model, as shown in fig. 2 and 6, the waterproof case 210 has a groove 213 at one end near the mounting hole 110, a communication hole 214 at the bottom of the groove 213, and a pressing part 221 at the communication hole 214, so that the waterproof case 210 has a concave groove 213 at one end near the mounting hole 110, the bottom of the groove 213 can support the PCB 220 and can clamp the PCB 220 in cooperation with the protruding part 2121, thereby preventing the PCB 220 from moving, and the concave groove 213 is provided, so as to reduce the volume of the waterproof case 210 and compact the dishwasher.

In a further embodiment of the present utility model, as shown in fig. 6, the groove 213 has a drain outlet 215 communicating with the outside, specifically, when the control panel 100 is positioned at the front end surface of the cabinet door, the axis of the installation hole 110 is parallel to the horizontal plane, i.e., the waterproof case 210 is vertically placed, the bottom of the groove 213 has the drain outlet 215 extending downward, and thus, although water enters the groove 213 through the gap between the key 300 and the installation hole 110, the water can be drained through the drain outlet 215, preventing the water from contacting the pressing part 221 on the PCB 220.

In a further embodiment of the present utility model, as shown in fig. 2, 5 and 7, the cover 212 has a supporting portion 2122 inside, the position of the supporting portion 2122 corresponds to the position of the pressing portion 221, when the pressing portion 221 is pressed down by the key 300, the supporting portion 2122 can support the pressing portion 221, prevent the PCB 220 from being deformed, and improve the service life of the PCB 220, and it is conceivable that the supporting portion 2122 may extend from the protruding portion 2121 to below the pressing portion 221, and the supporting portion 2122 is used to improve the structural strength of the cover 212; it is conceivable that the number of the supporting portions 2122 may be plural, and that the plurality of supporting portions 2122 extend along the longitudinal direction of the cover 212, so that the plurality of supporting portions 2122 may support the PCB 220 or strengthen the structural strength of the cover 212.

In a further embodiment of the present utility model, as shown in fig. 6, the cover 212 is connected to the box 211 in a clamping manner, specifically, a clasp 2112 is provided on a side wall of the box 211, a hanging hole 2123 is provided on a side wall of the cover 212 and is clamped to the clasp 2112, it is conceivable that a hole is provided on a side wall of the box 211, a clamping block is provided on an inner wall of the cover 212 and is clamped to the hole, so as to realize the clamping connection between the cover 212 and the box 211.

In some embodiments of the present utility model, as shown in fig. 2, the pressing portion 221 has a light emitting element (not shown), i.e. a light bead is disposed on the top of the switch on the PCB 220, the key 300 is transparent, i.e. the key 300 is made of transparent material, and the light on the light emitting element is guided through the entire key 300, so that the key 300 has an atmosphere lamp function.

In some embodiments of the present utility model, as shown in fig. 8, the key 300 includes a buckle 320 extending towards the PCB 220, and the key 300 is in a limiting clamping connection with the control panel 100 through the buckle 320, specifically, the buckle 320 is an elastic buckle 320 with a certain elastic deformation, and two sides of an outer edge of the key 300 are symmetrically provided with a buckle 320, the buckle 320 is provided with a convex hook, correspondingly, the control panel 100 is provided with a clamping hole, the buckle 320 passes through the clamping hole, and the buckle 320 can hook the bottom of the clamping hole to realize a limiting clamping connection with the control door panel.

In the description of the present specification, reference to the term "some embodiments" or "what may be considered to be" etc. means 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A waterproof key structure, comprising:

A control panel provided with a mounting hole;

The waterproof assembly is installed in the control panel and comprises a waterproof box and a PCB (printed circuit board) which is installed in the waterproof box and is provided with a pressing part;

the key capable of emitting light is positioned in the mounting hole and is in sealing connection with the mounting hole, the key comprises a pressure head, and the pressure head can extend into the waterproof box to be in contact with the pressing part.

2. The key waterproof structure according to claim 1, wherein: the waterproof box comprises a box body and a cover body, wherein an opening is formed in one end, far away from the mounting hole, of the box body, the cover body is detachably mounted on the box body and seals the opening, and the PCB is mounted in the opening.

3. The key waterproof structure according to claim 2, wherein: the cover body is sleeved outside the box body, and a sealing ring is arranged between the side wall of the box body and the side wall of the cover body.

4. A key waterproof structure according to claim 3, wherein: the inside cyclic annular bulge that has of lid, the box body is kept away from the lateral wall of mounting hole one end is located the bulge with between the inside wall of lid, and then the box body is kept away from the lateral wall of mounting hole one end can with the sealing washer presss from both sides tightly in between the bulge with the inside wall of lid.

5. The key waterproof structure according to claim 1 or 4, wherein: the waterproof box is close to one end of mounting hole has the recess, the bottom of recess has the intercommunicating pore, pressing part is located the intercommunicating pore.

6. The key waterproof structure according to claim 5, wherein: the groove is provided with a water outlet communicated with the outside.

7. The key waterproof structure according to claim 4, wherein: the cover body is internally provided with a supporting part, and the position of the supporting part corresponds to the position of the pressing part.

8. A key waterproof structure according to claim 2 or 3, wherein: the cover body is connected with the box body in a clamping way.

9. The key waterproof structure according to claim 1, wherein: the pressing part is provided with a luminous piece, and the key can transmit light.

10. The key waterproof structure according to claim 1, wherein: the button includes towards the buckle that PCB board direction extends, the button passes through the buckle with the spacing joint of control panel.