CN217690883U - Electric appliance handle key switch waterproof structure - Google Patents

Abstract

The utility model provides an electrical apparatus handle key switch waterproof construction, includes the handle body, sets up on the handle body and has the mounting hole, and telescopic installation has the button in the mounting hole, and the button bottom bears on the switch, and the button still overlaps outward and is equipped with the spring, and the spring upwards promotes the button all the time and resets, the cylinder of button on still overlap and be equipped with first sealing washer, the outer cylinder of first sealing washer sealed button and with the clearance of mounting hole bottom, prevent that water stain from leaking in the handle switch from the mounting hole. The beneficial effects of the utility model are that: 1. the structure is simple, and the production cost is low; 2. the potential safety hazards such as corrosion or electric leakage caused by water entering the switch are effectively avoided; 3. the key switch protrudes out of the handle body, and the operation is convenient and fast.

Description

Electric appliance handle key switch waterproof structure

Technical Field

The utility model relates to an electrical apparatus operating switch specifically is an electrical apparatus handle key switch waterproof construction.

Background

The electric frying pan is a common kitchen ware in modern city life, a frying pan heated by electric energy, the electric frying pan is particularly used in apartments, dormitories and other environments which do not allow naked flame, the existing electric frying pan can install the control panel in the handle, and control by the dial switch on the handle, because the inner space of the handle is limited, the dial switch and the control panel are mutually separated, the two are only in electric connection, the control panel can be subjected to waterproof treatment of coating silica gel, but the dial switch does not have corresponding waterproof measures, therefore, when cooking, the liquid in the electric frying pan is easy to be heated and splashed, thereby, in the gap between the dial switch and the handle is infiltrated into the handle, the dial switch is damaged, the electric heating pan can not normally work, a large amount of accumulated water can also appear in the inner part of the electric frying pan, damage is caused to an electric heating device, and therefore, the electric frying pan is necessary to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the shortcoming that prior art exists, provide a simple structure, production and processing is convenient, and water-proof effects is good, an electrical apparatus handle key switch waterproof construction that the security performance is high.

The utility model discloses the purpose is realized with following mode: the utility model provides an electrical apparatus handle key switch waterproof construction which characterized in that: it includes the handle body, sets up on the handle body and has established the mounting hole, and telescopic installation has the button in the mounting hole, and the button bottom bears on the switch, and the button still overlaps outward and is equipped with the spring, and the spring upwards promotes the button all the time and resets, the cylinder of button on still overlap and be equipped with first sealing washer, the outer cylinder of first sealing washer seal button and with the clearance of mounting hole bottom, prevent that water stain from leaking in the handle switch from the mounting hole.

The cylindrical surface of the key is provided with a limiting table, and the bottom of the first sealing ring bears on the limiting table to generate pressure for pushing the first sealing ring upwards.

The upper end of the first sealing ring is provided with a horn-shaped upper sealing ring which is pressed against the lower end face of the mounting hole and sleeved with the mounting hole.

The upper end surface of the handle body is provided with an accommodating area in a concave mode, and the mounting hole is formed in the accommodating area.

The surface of the accommodating area is covered with a transparent plate.

The containing area is internally provided with a first sealing groove along the outer contour thereof, a second sealing ring is arranged in the first sealing groove, and the second sealing ring seals a gap between the containing area and the transparent plate.

The containing area in still be provided with the second seal groove, the annular setting of second seal groove sets up in the mounting hole periphery, installs the third sealing washer in the second seal groove, the window board covers on the third sealing washer.

The second sealing groove is communicated with the first sealing groove.

The second sealing ring and the third sealing ring are integrally arranged.

The window board on correspond the button position and seted up the groove of keeping away, the button top is higher than the window board setting of passing through.

The utility model has the advantages that: 1. the structure is simple, the production cost is low, and the market competitiveness is improved; 2. the key switch is provided with an inner waterproof device and an outer waterproof device, so that potential safety hazards such as corrosion or electric leakage caused by water entering the switch can be effectively avoided; 3. the key switch protrudes out of the handle body, and the operation is convenient and fast.

Drawings

Fig. 1 is the final assembly effect diagram of the present invention.

Fig. 2 is a schematic view of the structure of the middle handle of the present invention.

Fig. 3 is a sectional view of the structure of the middle handle of the present invention.

Fig. 4 is an enlarged view of the structure of the part a in fig. 3 of the present invention.

Fig. 5 is an assembly view of the structure of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The utility model provides an electrical apparatus handle key switch waterproof construction which characterized in that: it includes handle body 1, sets up on handle body 1 and has mounting hole 2, and button 3 is installed to the telescopic type in the mounting hole 2, bears on switch 4 button 3 bottom, and button 3 still overlaps outward and is equipped with spring 5, and spring 5 upwards promotes button 3 and resets all the time, the cylinder of button 3 on still overlap and be equipped with first sealing washer 6, first sealing washer 6 seal button 3 outer cylinder and with the clearance of mounting hole 2 bottoms, prevent that water stain from leaking in the handle switch from mounting hole 2.

The cylindrical surface of the key 3 is provided with a limiting table 31, and the bottom of the first sealing ring 6 bears on the limiting table 31 to generate pressure for pushing the first sealing ring 6 upwards.

The upper end of the first sealing ring 6 is provided with a horn-shaped upper sealing ring 61 which is pressed against the lower end surface of the mounting hole 2 and is sleeved with the mounting hole 2.

The upper end surface of the handle body 1 is provided with an accommodating area 7 in a concave mode, and the mounting hole 2 is arranged in the accommodating area 7.

The surface of the accommodating area 7 is covered with a transparent plate 8.

A first sealing groove 71 is arranged in the accommodating area 7 along the outer contour thereof, a second sealing ring 9 is arranged in the first sealing groove 71, and the second sealing ring 9 seals the gap between the accommodating area 7 and the transparent plate 8.

The accommodating area 7 is further provided with a second sealing groove 72, the second sealing groove 72 is annularly arranged at the periphery of the mounting hole 2, a third sealing ring 91 is arranged in the second sealing groove 72, and the transparent plate 8 covers the third sealing ring 91.

The second seal groove 72 is disposed in communication with the first seal groove 71.

The second seal ring 9 and the third seal ring 91 are integrally arranged.

The window board 8 on correspond the button position and seted up and keep away empty groove 81, the button top is higher than window board 8 setting.

The working principle is as follows: as shown in fig. 4, in the present application, an electric frying pan is taken as an example for explanation, when the structure is used, a user presses a key, and the key moves downwards to push the switch 4 to move, so as to generate a control electric signal. When the switch moves downwards, it returns upwards under the action of the spring 5, thus preparing for the next operation. In the key switch motion process, its main part and first sealing washer relative motion owing to adopt inseparable combination between the two, and have certain elastic pressure suit on key switch's cylinder, consequently first sealing washer can play fine sealed effect, avoids water stain from the downward seepage between sealing washer and key switch's cylinder, plays first heavy sealed effect. In addition, the upper end of the first sealing ring 6 is provided with a trumpet-shaped upper sealing ring 61 which is pressed against the lower end surface of the mounting hole 2 and is sleeved with the mounting hole 2. The upper sealing ring 61 is sleeved on the lower end face of the mounting hole 2 in a horn shape, so that water stain can be prevented from leaking from the mounting hole 2 to the inside of the handle, and a secondary waterproof effect is achieved.

In order to further improve the waterproof effect of the handle, a first sealing groove 71 is formed in the accommodating area 7 along the outer contour of the accommodating area, a second sealing ring 9 is installed in the first sealing groove 71, and the second sealing ring 9 seals a gap between the accommodating area 7 and the transparent plate 8. Prevent water stain from entering the accommodating area from the window board 8 and leaking into the handle downwards. Meanwhile, a second sealing groove 72 is further arranged in the accommodating area 7, the second sealing groove 72 is annularly arranged at the periphery of the mounting hole 2, a third sealing ring 91 is arranged in the second sealing groove 72, and the transparent plate 8 covers the third sealing ring 91. The third seal ring 91 can prevent water stain from leaking downward from the clearance groove 81 of the transparent plate 8. Through multiple waterproof setting, can make key switch when convenience of customers uses, guarantee its leakproofness to avoid the user to soak and get into handle inside corrosion electrical components or produce potential safety hazards such as electric leakage in the use, so can extensively use widely.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides an electrical apparatus handle key switch waterproof construction which characterized in that: it includes handle body (1), sets up on handle body (1) and has mounting hole (2), and telescopic type installs button (3) in mounting hole (2), and button (3) bottom bears on switch (4), and button (3) still overlap outward and be equipped with spring (5), and spring (5) upwards promote button (3) to reset all the time, the cylinder of button (3) on still overlap and be equipped with first sealing washer (6), first sealing washer (6) seal the outer cylinder of button (3) and with the clearance of mounting hole (2) bottom, prevent that water stain from leaking in the handle switch from mounting hole (2).

2. The electric appliance handle key switch waterproof structure of claim 1, wherein: the cylindrical surface of the key (3) is provided with a limiting table (31), the bottom of the first sealing ring (6) bears on the limiting table (31), and pressure for pushing the first sealing ring (6) upwards is generated.

3. The electric appliance handle key switch waterproof structure of claim 1, wherein: the upper end of the first sealing ring (6) is provided with a horn-shaped upper sealing ring (61), the upper sealing ring is pressed against the lower end face of the mounting hole (2), and the mounting hole (2) is sleeved in the upper sealing ring.

4. The electric appliance handle key switch waterproof structure of claim 1, wherein: the handle is characterized in that the upper end surface of the handle body (1) is inwards provided with a containing area (7) in a concave mode, and the mounting hole (2) is formed in the containing area (7).

5. The waterproof structure of the electric appliance handle key switch as claimed in claim 4, wherein: the surface of the accommodating area (7) is covered with a transparent plate (8).

6. The waterproof structure of the electric appliance handle key switch as claimed in claim 4, wherein: a first sealing groove (71) is formed in the accommodating area (7) along the outer contour of the accommodating area, a second sealing ring (9) is installed in the first sealing groove (71), and the second sealing ring (9) seals a gap between the accommodating area (7) and the transparent plate (8).

7. The electric appliance handle key switch waterproof structure of claim 4, wherein: the accommodating area (7) is internally provided with a second sealing groove (72), the second sealing groove (72) is annularly arranged at the periphery of the mounting hole (2), a third sealing ring (91) is arranged in the second sealing groove (72), and the transparent plate (8) covers the third sealing ring (91).

8. The electric appliance handle key switch waterproof structure of claim 7, wherein: the second sealing groove (72) and the first sealing groove (71) are arranged in a conduction mode.

9. The waterproof structure of the electric appliance handle key switch as claimed in claim 6, wherein: the second sealing ring (9) and the third sealing ring (91) are integrally arranged.

10. The waterproof structure of the electric appliance handle key switch as claimed in claim 5, wherein: the window board (8) is provided with a clearance groove (81) corresponding to the position of the key, and the top of the key is higher than the window board (8).

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