CN216487747U

CN216487747U - Waterproof protection switch

Info

Publication number: CN216487747U
Application number: CN202122887393.0U
Authority: CN
Inventors: 贾永帅; 赖森林; 刘家炫; 陈闽
Original assignee: Xiamen Hongfa Electrical Safety and Controls Co Ltd
Current assignee: Xiamen Hongfa Electrical Safety and Controls Co Ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-05-10
Anticipated expiration: 2031-11-23

Abstract

The utility model provides a waterproof protection switch, which comprises a shell, a static contact element, a movable contact element, a handle assembly, a handle sealing ring and a panel sealing ring, wherein the shell comprises a base, an upper cover and a panel cover; the panel cover is provided with an accommodating window, the panel cover covers the base, and the upper cover is accommodated in the accommodating window; the handle sealing ring is arranged on the periphery of the containing hole and is in sealing butt joint between the handle assembly and the upper cover; the panel sealing ring is arranged on the periphery of the accommodating window and is in sealing abutting joint between the upper cover and the panel cover. The product can not only realize the required IPX3 waterproof performance, but also better realize dust prevention and improve the safety performance of the product.

Description

Waterproof protection switch

Technical Field

The utility model relates to the field of switch devices, in particular to a waterproof protection switch.

Background

As shown in publication No. CN208208592U and entitled "a protection switch", the existing protection switch of model UEA1-32 includes a body (i.e., a housing), a stationary contact, a movable contact, and a handle assembly, where the body includes a base, an upper cover, and an outer cover (i.e., a panel cover), the stationary contact, the movable contact, and the handle assembly are assembled on the base, the upper cover is provided with an access hole, the upper cover covers the base, and a handle of the handle assembly extends out of the upper cover through the access hole; the outer cover is provided with an accommodating window, the outer cover covers the base, and the upper cover is accommodated in the accommodating window. However, this structure has the following drawbacks: a movable gap exists between the handle assembly and the upper cover, and a buckling gap exists between the upper cover and the panel cover; the IPX3 waterproof performance which cannot meet the requirements of the protection switch can cause water drops to flow into a conductive part of the power switch from a gap, so that the protection switch is subjected to insulation breakdown, and safety accidents occur.

SUMMERY OF THE UTILITY MODEL

Therefore, the present invention provides a waterproof protection switch to solve the above problems.

In order to achieve the purpose, the technical scheme provided by the utility model is as follows:

a waterproof protection switch comprises a shell, a static contact element, a movable contact element, a handle assembly, a handle sealing ring and a panel sealing ring, wherein the shell comprises a base, an upper cover and a panel cover; the panel cover is provided with an accommodating window, the panel cover covers the base, and the upper cover is accommodated in the accommodating window; the handle sealing ring is arranged on the periphery of the containing hole and is in sealing and abutting connection between the handle assembly and the upper cover; the panel sealing ring is arranged on the periphery of the accommodating window and is in sealing abutting joint between the upper cover and the panel cover.

Furthermore, the bottom of upper cover is provided with the draw-in groove, the handle sealing washer assembles the fixed assembly of realization in the draw-in groove.

Further, the handle assembly has an arcuate surface and is sealed and slidably abutted against the handle sealing ring by the arcuate surface.

Furthermore, the material of the handle sealing ring is nitrile butadiene rubber NBR 70.

Furthermore, a clamping groove is formed in the periphery of the upper cover, and the panel sealing ring is assembled in the clamping groove in the periphery of the upper cover.

Furthermore, the material of the panel sealing ring is nitrile rubber NBR 70.

Through the technical scheme provided by the utility model, the method has the following beneficial effects:

additionally arranging a handle sealing ring for sealing a movable gap between the handle assembly and the upper cover, and additionally arranging a panel sealing ring for sealing a buckling gap between the upper cover and the panel cover; the product can not only realize the required IPX3 waterproof performance, but also better realize dust prevention and improve the safety performance of the product; and the structure is simple, and the assembly is simple and convenient.

Drawings

Fig. 1 is an exploded view of a waterproof protection switch according to an embodiment;

fig. 2 is a plan view showing a partial structure of a waterproof protection switch in the embodiment;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 5 is an exploded view of the upper lid and the panel gasket in the embodiment;

FIG. 6 is an exploded view of the sealing ring of the handle, the upper lid and the panel in the embodiment;

FIG. 7 is a schematic structural view of a sealing ring of the handle in the embodiment;

fig. 8 is a schematic structural diagram of a panel seal ring in the embodiment.

Detailed Description

To further illustrate the various embodiments, the utility model provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the utility model and, together with the description, serve to explain the principles of the embodiments. Those skilled in the art will appreciate still other possible embodiments and advantages of the present invention with reference to these figures. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

The utility model will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1 to 8, the waterproof protection switch provided by the present embodiment includes a housing, a fixed contact piece 22, a movable contact piece 21, a handle assembly 23, a handle seal ring 30 and a panel seal ring 40, the housing includes a base 11, an upper cover 12 and a panel cover 13, the fixed contact piece 22, the movable contact piece 21 and the handle assembly 23 are assembled on the base 11, and in particular, the structures and connection relationships of the fixed contact piece 22, the movable contact piece 21 and the handle assembly 23 are the prior art, and will not be described in detail herein.

The upper cover 12 is provided with an accommodating hole 121, the upper cover 12 covers the base 11, and the handle 231 of the handle assembly 23 passes through the accommodating hole 121 and extends out of the upper cover 12; so that the operating handle can realize the opening and closing operation.

The panel cover 13 has an accommodating window 131, the panel cover 13 covers the base 11, and the upper cover 12 is accommodated in the accommodating window 131.

The handle sealing ring 30 is arranged at the periphery of the receiving hole 121 and is in sealing and abutting contact between the handle assembly 23 and the upper cover 12; for sealing the movable gap between the handle assembly 23 and the upper cover 12.

The panel seal ring 40 is arranged on the periphery of the accommodating window 131 and is in sealing abutment between the upper cover 12 and the panel cover 13; for sealing the fastening gap between the upper cover 12 and the panel cover 13.

Therefore, through the sealing assembly of the handle sealing ring 30 and the panel sealing ring 40, the product has a good sealing effect, the required IPX3 waterproof performance can be realized, dust prevention can be better realized, and the safety performance of the product is improved; and the structure is simple, and the assembly is simple and convenient.

Further, in the handle assembly 23, since the handle assembly 23 can be entirely swung by the toggle handle 231, the space between the handle assembly 23 and the handle seal ring 30 and the space between the handle seal ring 30 and the upper cover 12; at least one group is in sliding fit. In this embodiment, a sealed and slidable fit between the handle assembly 23 and the handle seal ring 30 is used.

More specifically, a clamping groove (defined as a first clamping groove 122) is formed in the bottom of the upper cover 12, the handle sealing ring 30 is assembled in the first clamping groove 122 to achieve fixed assembly, and when the upper cover 12 is covered on the base 11, the handle sealing ring 30 abuts against the surface of the handle assembly 23 to achieve sealing. And the handle seal ring 30 makes a sliding fit with the surface of the handle assembly 23 when the handle 231 is dialed. Still further, scribble the rubber adhesive in handle sealing washer 30 and the first draw-in groove 122 laminating face of lid 12, just so can realize stable assembly, handle sealing washer 30 is difficult for being taken away and leads to dislocating by handle assembly 23.

More specifically, in order to ensure the sliding fit between the handle sealing ring 30 and the surface of the handle assembly 23, the surface of the handle assembly 23 is designed to be the arc surface 232, and is sealed and slidably abutted against the handle sealing ring 30 through the arc surface 232, so that the arc surface 232 and the handle sealing ring 30 can slide smoothly.

Further, a clamping groove (defined as a second clamping groove 123) is formed on the periphery of the upper cover 12, and the panel sealing ring 40 is fitted into the second clamping groove 123 on the periphery of the upper cover 12. So set up, the assembly of panel sealing washer 40 is more stable, and difficult skew leads to unable sealed cooperation.

More specifically, the handle seal ring 30 and the panel seal ring 40 are both made of nitrile rubber NBR70, and the nitrile rubber NBR70 has good wear resistance and weather resistance, so that the sealing reliability is ensured. Of course, in other embodiments, the material of the handle seal ring 30 and/or the panel seal ring 40 is not limited thereto.

Further, the handle seal ring 30 and the panel seal ring 40 are shaped to fit the structure, such as the handle assembly 23, with the arcuate surface 232 configured for mating oscillation, and therefore the handle seal ring 30 is also configured with an arcuate shape, as shown in fig. 7, to better conform to the arcuate surface 232 of the handle assembly 23. Also as in the upper cover 12, one side of the upper cover is higher in periphery, so the panel sealing ring 40 is designed to be higher in one side, as shown in fig. 8. Of course, in other embodiments, this is not limiting.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A waterproof protection switch comprises a shell, a fixed contact part, a movable contact part and a handle assembly, wherein the shell comprises a base, an upper cover and a panel cover; the panel cover is provided with an accommodating window, the panel cover covers the base, and the upper cover is accommodated in the accommodating window; the method is characterized in that: the handle sealing ring is arranged on the periphery of the containing hole and is in sealing butt joint between the handle assembly and the upper cover; the panel sealing ring is arranged on the periphery of the accommodating window and is in sealing abutting joint between the upper cover and the panel cover.

2. The waterproof protection switch according to claim 1, characterized in that: the bottom of upper cover is provided with the draw-in groove, the fixed assembly is realized in the draw-in groove to the assembly of handle sealing washer.

3. The waterproof protection switch according to claim 1 or 2, characterized in that: the handle assembly has an arcuate surface and is sealed by the arcuate surface and slidably abuts the handle seal ring.

4. The waterproof protection switch according to claim 1, characterized in that: the handle sealing ring is made of nitrile rubber NBR 70.

5. The waterproof protection switch according to claim 1, characterized in that: the periphery of the upper cover is provided with a clamping groove, and the panel sealing ring is assembled in the clamping groove on the periphery of the upper cover.

6. The waterproof protection switch according to claim 1 or 5, characterized in that: the material of the panel sealing ring is nitrile butadiene rubber NBR 70.