CN219775810U - Waterproof device and kitchen range comprising same - Google Patents

Abstract

The utility model provides a waterproof device and a stove comprising the same, and relates to the technical field of stoves. The kitchen range is including panel, valve rod and knob, has seted up the knob hole on the panel, and the valve rod passes the knob hole and connects the knob, and watertight fittings is including Cheng Yepan and first sleeve portion, and first sleeve portion sets up on flourishing liquid dish and extends along flourishing liquid dish's non-radial direction, and the inside through-hole of first sleeve portion runs through in flourishing liquid dish, and the valve rod passes the through-hole and with first sleeve portion joint in the through-hole, flourishing liquid dish is greater than the radial dimension in knob hole in vertical direction's projection size, and flourishing liquid dish does not surpass the knob hole in vertical direction. Through this kind of setting, hold the liquid dish and fix on the valve rod, water or other liquid on the cooking utensils panel get into the inside of cooking utensils through the clearance between knob hole and the valve rod, and the reuse holds the liquid dish and holds, avoids causing the inside control valve body of cooking utensils or other component damage, improves the security performance.

Description

Waterproof device and kitchen range comprising same

Technical Field

The utility model relates to the technical field of stoves, in particular to a waterproof device and a stove comprising the waterproof device.

Background

Cooktops, also known as cookers, can be classified according to the gas species used: natural gas range, artificial gas range, liquefied petroleum gas range and electromagnetic range. At present, most of consumers use natural gas stoves, and the household natural gas stoves generally consist of a burner, a valve body, an ignition device, a gas supply pipeline and the like, wherein the elements are arranged on a stove panel, and the stove knob on the stove panel is used for performing operations such as ignition and the like. The kitchen range knob is connected with the control valve body through a valve rod, and the valve rod passes through a knob hole on the kitchen range panel.

However, in the use process of the kitchen range, a gap exists between the knob hole and the valve rod on the kitchen range panel, water or other liquid easily enters the kitchen range through the gap, so that the water or other liquid contacts with the control valve body or other elements in the kitchen range panel, the control valve body or other elements are damaged, and certain potential safety hazards exist.

Disclosure of Invention

The utility model aims to overcome the defect that liquid easily enters the kitchen range from a gap between a panel knob hole and a valve rod in the prior art, and provides a waterproof device and the kitchen range comprising the waterproof device.

The utility model solves the technical problems by the following technical scheme:

the utility model provides a watertight fittings, it is used for cooking utensils, and cooking utensils are including panel, valve rod and knob, have seted up the knob hole on the panel, and the valve rod passes the knob hole and connect the knob, its characteristics lie in: the waterproof device comprises a Cheng Yepan and a first sleeve part, the first sleeve part is arranged on the liquid containing disc and extends along the non-radial direction of the liquid containing disc, a through hole in the first sleeve part penetrates through the liquid containing disc, and the valve rod penetrates through the through hole and is clamped with the first sleeve part in the through hole; the projection size of the liquid containing disc in the vertical direction is larger than the radial size of the knob hole, and the liquid containing disc does not exceed the knob hole in the vertical direction.

In this scheme, through this kind of setting, utilize the inside through-hole of first sleeve portion to cooperate and mutual joint with the valve rod, realize the fixed of two, further make the flourishing liquid dish relatively fixed on the valve rod. After the valve rod passes through the knob hole on the kitchen range panel, the two ends of the valve rod are respectively connected with the knob and the control valve body of the kitchen range, the projection size of the waterproof device in the vertical direction is larger than the radial size of the knob hole, water or other liquid on the kitchen range panel can enter the kitchen range through the gap between the knob hole and the valve rod, and then the liquid containing disc is used for containing, so that the water or other liquid is prevented from contacting with the control valve body or other elements in the kitchen range panel, the control valve body or other elements are prevented from being damaged, and the safety performance is improved.

Further, the first sleeve part is arranged at the center of the bottom plate of the liquid containing disc and is perpendicular to the bottom plate of the liquid containing disc.

In this scheme, through this kind of setting, after the inside through-hole of first sleeve portion and the mutual joint of valve rod, flourishing liquid dish can set up for valve rod is perpendicular and symmetry, when the knob hole on the panel is passed perpendicularly to the valve rod, flourishing liquid dish then is on a parallel with the panel setting, more conveniently holds water or other liquid on the panel.

Further, one end, far away from the knob, of the valve rod is connected with a control valve body, and the projection of the bottom plate of the liquid containing disc in the vertical direction is covered on the control valve body; and/or the bottom plate of the liquid containing disc extends outwards from the center of the bottom plate to form a cone structure.

In this scheme, through this kind of setting, the bottom plate of flourishing liquid dish in vertical direction covers on control valve body for when water or other liquid flow in the panel flows into the inside of cooking utensils, can be fully by flourishing liquid dish flourishing connecing, avoid water or other liquid to contact in control valve body, thereby damage control valve body. The bottom plate of the liquid containing disc extends outwards with the center to form a cone structure, and the cone structure is provided with an inclined surface, so that water or other liquid flowing into the liquid containing disc can be collected by the inclined surface.

Further, the waterproof device further comprises a cover plate mechanism, a plurality of liquid through holes are formed in the cover plate mechanism, and the cover plate mechanism penetrates through the periphery of the first sleeve part to cover the liquid containing disc.

In this scheme, through this kind of setting, set up apron mechanism on flourishing liquid dish, set up a plurality of access holes on the apron mechanism, water or other liquid on the panel can be through in the flourishing liquid dish of logical liquid Kong Liujin, utilize the pocket form structure that apron mechanism and flourishing liquid dish formed, can effectually avoid flourishing water or other liquid outflow in the liquid dish. Meanwhile, the liquid through holes are also beneficial to blowing outside air into the liquid containing disc, so that the evaporation of water in the liquid containing disc is accelerated, and the cleaning times of the liquid containing disc are reduced.

Further, when the cover plate mechanism covers the liquid containing disc, part of the side wall of the liquid containing disc is higher than the outer edge of the cover plate mechanism in the vertical direction.

In this scheme, through this kind of setting, water or liquid on the panel even in the direct flourishing liquid dish of logical liquid Kong Liujin of not, also can reach flourishing liquid dish's lateral wall department along apron mechanism, and can not directly flow down along apron mechanism, and flourishing liquid dish's partial lateral wall is higher than apron mechanism's outer edge simultaneously, water or other liquid in the flourishing liquid dish of also can further avoiding overflows.

Further, a second sleeve part is arranged on the cover plate mechanism, the second sleeve part is sleeved on the periphery of the first sleeve part, and the cover plate mechanism passes through the second sleeve part and is arranged on the periphery of the first sleeve part in a penetrating way.

In this scheme, through this kind of setting, utilize the second sleeve pipe portion cover on the apron mechanism to establish in the periphery of first sleeve portion, increase the area of connection for apron mechanism can be stably fixed on holding the liquid dish, guarantees watertight fittings overall structure's stability.

Further, the cover plate mechanism extends outwards with the center to form a cone structure, and the second sleeve part is arranged at the center of the cover plate mechanism.

In this scheme, through this kind of setting, apron mechanism outwards extends with its center and forms the cone structure, and the inclined plane of cone structure is favorable to the flow of water or other liquid equally to more be favorable to gathering and collecting. The second sleeve part is arranged at the top end part of the cone structure, so that the structure is more symmetrical and stable.

Further, the plurality of liquid through holes are arranged on the cover plate mechanism in a surrounding array with the second sleeve part as a center, and at least part of the liquid through holes are positioned on the inclined surface of the cover plate mechanism.

In this scheme, through this kind of setting, guarantee on the apron mechanism evenly distributed by the logical liquid hole, more be favorable to in the water or other liquid of panel pass through logical liquid Kong Liujin flourishing liquid dish to on the inclined plane of apron mechanism was located to at least some logical liquid hole, even the inside wind level of cooking utensils blows to watertight fittings, also can blow into flourishing liquid dish through the logical liquid hole, accelerates the water evaporation in the flourishing liquid dish.

Further, a protruding portion is arranged on the inner wall of the first sleeve portion, a groove portion is arranged on the periphery of the valve rod, and the protruding portion and the groove portion are mutually matched and clamped; or, a groove part is arranged on the inner wall of the first sleeve part, a protruding part is arranged on the periphery of the valve rod, and the protruding part and the groove part are mutually matched and clamped.

In this scheme, through this kind of setting, utilize the mode of protruding portion and the mutual joint of recess for watertight fittings is fixed on the valve rod, guarantees watertight fittings' stability in the use.

A kitchen range comprises a panel, a control valve body, a valve rod and a waterproof device, wherein the valve rod penetrates through a knob hole on the panel of the kitchen range and is connected to the control valve body, and a liquid containing disc of the waterproof device is positioned between the panel and the control valve body in the vertical direction of the kitchen range.

In this scheme, through this kind of setting, after the knob hole on the cooking utensils panel was passed to the valve rod, both ends were connected with knob and control valve body respectively, and watertight fittings fixes on the valve rod to on vertical direction, watertight fittings's flourishing liquid dish is located between panel and the control valve body for collect water or other liquid on the panel.

The utility model has the positive progress effects that:

the through hole in the first sleeve part is matched with the valve rod and is clamped with the valve rod, so that the first sleeve part and the valve rod are fixed, and the liquid containing disc is further fixed on the valve rod relatively. After the valve rod passes through the knob hole on the kitchen range panel, the two ends of the valve rod are respectively connected with the knob and the control valve body of the kitchen range, the projection size of the waterproof device in the vertical direction is larger than the radial size of the knob hole, water or other liquid on the kitchen range panel can enter the kitchen range through the gap between the knob hole and the valve rod, and then the liquid containing disc is used for containing, so that the water or other liquid is prevented from contacting with the control valve body or other elements in the kitchen range panel, the control valve body or other elements are prevented from being damaged, and the safety performance is improved.

Drawings

Fig. 1 is a schematic view of a stove according to an embodiment of the utility model.

FIG. 2 is a schematic view showing a sectional partial structure of a kitchen range at a knob according to an embodiment of the present utility model.

Fig. 3 is a schematic cross-sectional view of a waterproof device and a valve stem according to an embodiment of the utility model.

FIG. 4 is a schematic illustration of a valve stem according to an embodiment of the present utility model.

Fig. 5 is a schematic structural view of the tray and the first sleeve portion after assembly according to an embodiment of the present utility model.

Fig. 6 is a schematic cross-sectional view of an assembled tray and a first sleeve portion according to an embodiment of the utility model.

Fig. 7 is a schematic front view of a cover plate mechanism according to an embodiment of the utility model.

Fig. 8 is a schematic top view of a cover plate mechanism according to an embodiment of the utility model.

Reference numerals illustrate:

kitchen range 1

Panel 2

Valve rod 3

Groove portion 31

Knob 4

Tray 61

Bottom plate 611

Side wall 612

First sleeve portion 62

Boss 621

Through hole 622

Cover plate mechanism 63

Through hole 631

Second sleeve portion 632

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 are exemplary and intended to illustrate the present utility model and should not be construed as limiting the utility model, and all other embodiments, based on the embodiments of the present utility model, which may be obtained by persons of ordinary skill in the art without inventive effort, are within the scope of the present utility model.

In the description of the present utility model, it should 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", "axial", "circumferential", "radial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The embodiment discloses watertight fittings and contain its cooking utensils 1, as shown in fig. 1, cooking utensils 1 is including panel 2, installs cooking utensils 1 on user's top of a kitchen range through panel 2, is provided with two burning portions on panel 2, and every burning portion corresponds and is provided with knob 4 on panel 2, adjusts burning portion through knob 4 to satisfy user's in-service use demand. Specifically, what be connected with knob 4 is valve rod 3, and corresponding valve rod 3 has seted up the knob hole on the panel 2, and knob 4 is connected to the one end that stretches out cooking utensils 1 at valve rod 3, and valve rod 3 is located the inside one end of cooking utensils 1 and is connected with control valve body (not shown in the figure), realizes the regulation to burning portion through control valve body, and specific regulation mode is prior art, and no more detailed here.

The waterproof device in this embodiment includes a liquid containing disc 61 and a first sleeve portion 62, the first sleeve portion 62 is disposed on the liquid containing disc 61 and extends along a non-radial direction of the liquid containing disc 61, a through hole 622 in the first sleeve portion 62 penetrates the liquid containing disc 61, and a valve rod 3 penetrates the through hole 622 and is clamped with the first sleeve portion 62 in the through hole 622; the projection size of the liquid containing disc 61 in the vertical direction is larger than the radial size of the knob hole, and the liquid containing disc 61 does not exceed the knob hole in the vertical direction.

Specifically, referring to fig. 2 and 5, the liquid containing disc 61 includes a bottom plate 611 and a side wall 612, the bottom plate 611 is a circular plate structure, the side wall 612 extends vertically upwards at the edge of the circular plate structure, so that the liquid containing disc 61 can be used for receiving liquid, a first sleeve portion 62 is disposed in the center of the liquid containing disc 61, the first sleeve portion 62 is perpendicular to the bottom plate 611, and the extending direction is the same as the extending direction of the side wall 612, the first sleeve portion 62 is a circular cylindrical structure, that is, a through hole 622 penetrating through the bottom plate 611 of the liquid containing disc 61 is formed in the first sleeve portion 62, and the through hole 622 also penetrates through the bottom plate 611 of the liquid containing disc 61. As shown in fig. 6, a protruding portion 621 is formed on the inner wall of the through hole 622 of the first sleeve portion 62, as shown in fig. 4, a groove portion 31 is formed on the outer peripheral surface of the valve stem 3, and the protruding portion 621 and the groove portion 31 can be engaged with each other, so that the first sleeve portion 62 can be fixed on the valve stem 3, and further, the liquid containing disc 61 can be fixed on the valve stem 3. After the liquid containing disc 61 is installed and fixed, the projection size of the liquid containing disc 61 in the vertical direction is larger than the radial size of the knob hole, and the liquid containing disc 61 does not exceed the knob hole in the vertical direction. Through this kind of setting, after the knob hole on the panel 2 is passed to valve rod 3, knob 4 and control valve body are connected respectively at the both ends of valve rod 3, and watertight fittings is greater than the radial dimension in knob hole in the ascending projection size of vertical direction, also does not surpass the knob hole in the vertical direction, and then water or other liquid on the panel 2 can get into the inside of cooking utensils 1 through the clearance between knob hole and the valve rod 3, and the reuse holds liquid dish 61 holds, avoids water or other liquid to contact with the inside control valve body or other components of panel 2 of cooking utensils 1, causes the damage of control valve body or other components to improve the security performance.

In this embodiment, by arranging the groove portion 31 on the valve rod 3 and arranging the protrusion portion 621 on the inner wall of the through hole 622 of the first sleeve portion 62, the two are clamped and fixed, so that the whole waterproof device is fixed on the valve rod 3, and the stability of the waterproof device in the use process is ensured. In other embodiments, the protruding portion 621 may be provided on the valve rod 3, and the groove portion 31 may be provided on the first sleeve portion 62, so that the two may be fastened and fixed, or any other manner that may be used in the prior art to fix the valve rod 3 and the first sleeve portion 62 in a connection and fixation manner may be adopted.

Further, the first sleeve portion 62 is provided at the center of the bottom plate 611 of the liquid containing tray 61 in the present embodiment, and extends in a direction perpendicular to the bottom plate 611 of the liquid containing tray 61 on the liquid containing tray 61. Through this kind of setting, after the inside through-hole 622 of first sleeve portion 62 and the mutual joint of valve rod 3, liquid containing disc 61 can set up for valve rod 3 is perpendicular and symmetry, when valve rod 3 passes the knob hole on panel 2 perpendicularly, liquid containing disc 61 then sets up in parallel with panel 2, more conveniently holds water or other liquid on the panel 2. However, in other embodiments, the first sleeve portion 62 may not be disposed at the center of the bottom plate 611 of the liquid containing disc 61, and the extending direction of the first sleeve portion on the liquid containing disc 61 and the bottom plate 611 of the liquid containing disc 61 may be disposed at an angle, which only needs to satisfy that the projection size of the liquid containing disc 61 in the vertical direction is larger than the radial size of the knob hole, and the liquid containing disc 61 does not exceed the knob hole in the vertical direction.

Similarly, a control valve body is linked to one end of the valve rod 3 inside the kitchen range 1, and the projection of the bottom plate 611 of the liquid containing plate 61 in the vertical direction covers the control valve body. By this arrangement, the bottom plate 611 of the liquid containing disc 61 covers the control valve body in the vertical direction, so that when water or other liquid on the panel 2 flows into the kitchen range 1, the water or other liquid can be completely contained by the liquid containing disc 61, and the water or other liquid is prevented from contacting the control valve body, so that the control valve body is damaged.

As shown in fig. 3 and 6, the bottom plate 611 of the liquid tray 61 extends outward with its center to form a cone structure. Specifically, the bottom plate 611 of the liquid containing plate 61 in this embodiment extends upward in the vertical direction to form a cone structure, and the first sleeve portion 62 is disposed at the top end of the cone structure, and the cone structure has an inclined surface, so that water or other liquid flowing into the liquid containing plate 61 can be collected by the inclined surface. In this embodiment, water or other liquid is collected at the edge of the liquid containing plate 61, and in other embodiments, the bottom plate 611 of the liquid containing plate 61 may also extend downward in the vertical direction to form a cone structure, where water or other liquid is collected at the center of the liquid containing plate.

As shown in fig. 2, 3, 7 and 8, the waterproof device further includes a cover plate mechanism 63, a plurality of liquid through holes 631 are provided on the cover plate mechanism 63, and the cover plate mechanism 63 is arranged on the periphery of the first sleeve portion 62 in a penetrating manner so as to cover the liquid containing disc 61.

Specifically, the outer periphery of the cover plate mechanism 63 is also circular, and its radial dimension is matched with the radial dimension of the liquid containing disc 61, and eight liquid through holes 631 and a through hole are provided on the cover plate mechanism 63, and the through holes are matched with the outer periphery of the first sleeve portion 62, so that the cover plate mechanism 63 can cover the liquid containing disc 61. By such arrangement, water or other liquid on the panel 2 can flow into the liquid containing tray 61 through the liquid through holes 631, and the water or other liquid in the liquid containing tray 61 can be effectively prevented from flowing out by the pocket-shaped structure formed by the cover plate mechanism 63 and the liquid containing tray 61. Meanwhile, the liquid through holes 631 are beneficial to blowing outside air into the liquid containing disc 61, so that evaporation of water in the liquid containing disc 61 is accelerated, and the cleaning times of the liquid containing disc 61 are reduced.

As shown in fig. 2 and 3, when the cover plate mechanism 63 is covered on the liquid containing plate 61, a part of the side wall 612 of the liquid containing plate 61 is higher than the outer edge of the cover plate mechanism 63 in the vertical direction, that is, the side wall 612 of the liquid containing plate 61 is beyond the edge of the cover plate mechanism 63 in the vertical direction. By such arrangement, even if the water or liquid on the panel 2 does not directly flow into the liquid containing tray 61 through the liquid through holes 631, the water or liquid can reach the side wall 612 of the liquid containing tray 61 along the cover plate mechanism 63, and can not directly flow down along the cover plate mechanism 63, and meanwhile, part of the side wall 612 of the liquid containing tray 61 is higher than the outer edge of the cover plate mechanism 63, so that the water or other liquid in the liquid containing tray 61 can be further prevented from overflowing.

As shown in fig. 3 and 6, the cover mechanism 63 is provided with a second sleeve portion 632, the second sleeve portion 632 is sleeved on the outer periphery of the first sleeve portion 62, and the cover mechanism 63 is arranged on the outer periphery of the first sleeve portion 62 in a penetrating manner through the second sleeve portion 632.

Specifically, the cover plate mechanism 63 is provided with a second sleeve part 632 with a similar structure to the first sleeve part 62, and the inner diameter of the second sleeve part 632 is matched with the outer diameter of the first sleeve part 62, so that the second sleeve part 632 can be sleeved outside the first sleeve part 62, the connection area is increased, the cover plate mechanism 63 can be stably fixed on the liquid containing disc 61, and the stability of the integral structure of the waterproof device is ensured. Further, the cover plate mechanism 63 extends outwards from the center of the cover plate mechanism 63 to form a cone structure, the second sleeve portion 632 is arranged at the center of the cover plate mechanism 63, and the inclined surface of the cone structure is also beneficial to the flow of water or other liquid, so that gathering and collection are more beneficial, and the second sleeve portion 632 is arranged at the top end of the cone structure, so that the structure is more symmetrical and stable.

As shown in fig. 7 and 8, the plurality of liquid through holes 631 are arranged in a surrounding array on the cover mechanism 63 around the second sleeve portion 632, and at least part of the liquid through holes 631 are located on the inclined surface of the cover mechanism 63. Specifically, the eight liquid through holes 631 are all in a racetrack shape, the length direction of the racetrack liquid through holes 631 is opposite to the center of the cover plate mechanism 63, the eight racetrack liquid through holes 631 are arrayed around the second sleeve portion 632 on the cover plate mechanism 63, and the racetrack liquid through holes 631 have portions located on the inclined surfaces of the cover plate mechanism 63, so that even if the wind level in the kitchen range 1 blows to the waterproof device, the water in the liquid containing disc 61 can be accelerated to evaporate through the liquid through holes 631.

The embodiment also relates to a kitchen range 1, which comprises a panel 2, a control valve body, a valve rod 3 and the waterproof device, wherein the valve rod 3 penetrates through a knob hole on the panel 2 and is connected with the control valve body, and a liquid containing disc 61 of the waterproof device is positioned between the panel 2 and the control valve body in the vertical direction of the kitchen range 1. Through this kind of setting, after the valve rod 3 passed the knob hole on the panel 2, both ends are connected with knob 4 and control valve body respectively, and watertight fittings fixes on the valve rod 3 to in vertical direction, watertight fittings's flourishing liquid dish 61 is located between panel 2 and the control valve body, is used for collecting water or other liquid on the panel 2.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.

Claims (10)

1. The utility model provides a watertight fittings, its is used for cooking utensils, cooking utensils include panel, valve rod and knob, the knob hole has been seted up on the panel, the valve rod passes the knob hole and connects the knob, its characterized in that:

the waterproof device comprises a Cheng Yepan and a first sleeve part, the first sleeve part is arranged on the liquid containing disc and extends along the non-radial direction of the liquid containing disc, a through hole in the first sleeve part penetrates through the liquid containing disc, and the valve rod penetrates through the through hole and is clamped with the first sleeve part in the through hole;

the projection size of the liquid containing disc in the vertical direction is larger than the radial size of the knob hole, and the liquid containing disc does not exceed the knob hole in the vertical direction.

2. The water-resistant apparatus of claim 1, wherein the first sleeve portion is disposed at a center of the floor of the tray and perpendicular to the floor of the tray.

3. The waterproof device according to claim 2, wherein a control valve body is connected to the valve stem at an end remote from the knob, and a projection of the bottom plate of the liquid containing tray in a vertical direction covers the control valve body; and/or the bottom plate of the liquid containing disc extends outwards from the center of the bottom plate to form a cone structure.

4. The waterproof device according to claim 1, further comprising a cover plate mechanism, wherein a plurality of liquid through holes are formed in the cover plate mechanism;

the cover plate mechanism is arranged on the periphery of the first sleeve part in a penetrating way so as to cover the liquid containing disc.

5. The water-resistant apparatus of claim 4 wherein when said cover mechanism is applied to said tray, a portion of the side wall of said tray is vertically higher than the outer edge of said cover mechanism.

6. The waterproof device according to claim 4, wherein a second sleeve part is arranged on the cover plate mechanism, the second sleeve part is sleeved on the periphery of the first sleeve part, and the cover plate mechanism is penetrated on the periphery of the first sleeve part through the second sleeve part.

7. The waterproof apparatus according to claim 6, wherein the cover mechanism extends outward with its center to form a cone structure, and the second sleeve portion is provided at the center of the cover mechanism.

8. The waterproof device according to claim 7, wherein a plurality of the liquid through holes are arranged in a surrounding array on the cover plate mechanism with the second sleeve part as a center, and at least part of the liquid through holes are positioned on an inclined surface of the cover plate mechanism.

9. The waterproof device according to claim 1, wherein a protruding portion is provided on an inner wall of the first sleeve portion, a groove portion is provided on an outer periphery of the valve rod, and the protruding portion is engaged with the groove portion in a fitting manner; or, a groove part is arranged on the inner wall of the first sleeve part, a protruding part is arranged on the periphery of the valve rod, and the protruding part and the groove part are mutually matched and clamped.

10. A stove, characterized in that it comprises:

a panel;

a control valve body;

the valve rod passes through a knob hole on the kitchen range panel and is connected with the control valve body;

the water-resistant device of any one of claims 1-9, wherein a tray of the water-resistant device is located between the panel and the control valve body in a vertical direction of the cooktop.