CN216487748U

CN216487748U - Waterproof protection switch

Info

Publication number: CN216487748U
Application number: CN202122888807.1U
Authority: CN
Inventors: 贾永帅; 周燕海; 赖森林; 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 piece, a movable contact piece, a handle assembly and a sealing cover, wherein the shell comprises a base, an upper cover and a panel cover; the surface of upper cover is located to the sealed cover that overlaps of sealed, the panel lid has and holds the window, the panel lid covers on the base to sealed butt in the outer edge of sealed cover, upper cover and sealed cover hold in the window. 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 piece, a movable contact piece, a handle assembly and a sealing cover, wherein the shell comprises a base, an upper cover and a panel cover; the surface of upper cover is located to the sealed cover sealing cover, the panel lid has and holds the window, the panel lid covers on the base to sealed butt in the outer edge of sealed cover, upper cover and sealed cover hold in the window.

Furthermore, the sealing cover comprises a cover body, a handle sleeve and a movable connecting section, the cover body is matched with the upper cover in shape and is used for being sleeved on the surface of the upper cover, and the handle sleeve corresponds to the handle and forms sealing fit with the handle; the cover body is connected with the handle sleeve through a movable connecting section.

Furthermore, the handle sleeve is a seal sleeve without an opening, and the handle sleeve is sleeved on and covers the handle.

Furthermore, the handle sleeve is provided with a sleeve hole, and the handle sealing sleeve is arranged in the sleeve hole and extends out of the handle sleeve.

Further, the movable connecting section is a fold section.

Further, the outer edge of the sealing cover is provided with a sealing straight section, and the panel cover is in sealing and abutting connection with the sealing straight section.

Further, the sealing cover is a transparent sealing cover.

Furthermore, the sealing cover is a silica gel soft cover.

Furthermore, a first matching connection structure is arranged on the outer edge of the sealing cover, and a second matching connection structure is arranged on the upper cover; the sealing cover is sleeved on the surface of the upper cover in a sealing mode and is fixed through the matching connection of the first matching connection structure and the second matching connection structure.

Furthermore, the first matching connection structure is a buckle lug, the second matching connection structure is a draw hook, and the draw hook is inserted into the buckle lug to realize matching connection.

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

the sealing cover is sleeved on the surface of the upper cover, and can seal and cover the surface of the upper cover to prevent water or dust from entering from a movable gap between the handle assembly and the upper cover; the panel cover is in sealing butt joint with the outer edge of the sealing cover, so that the buckling gap between the upper cover and the panel cover is sealed. 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.

Drawings

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

FIG. 2 is a schematic perspective view of a sealing cap according to an embodiment;

FIG. 3 is a top view of the seal cap according to the first embodiment;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;

fig. 6 is a schematic perspective view of a sealing cap according to a second 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. The components in the drawings are not necessarily to scale, and similar reference numerals are generally used to identify similar components.

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

Example one

Referring to fig. 1 to 5, 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 and a sealing cover 30, 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 allowance hole 121, the upper cover 12 covers the base 11, and the handle 231 of the handle assembly 23 passes through the allowance hole 121 and extends out of the upper cover 12; so that the operating handle can realize the switching-on and switching-off operation.

The sealing cover 30 is sealingly sleeved on the surface of the upper cover 12, so as to isolate the movable gap between the handle assembly 23 and the upper cover 12 from the external space, i.e. the sealing cover 30 is externally sleeved to prevent water or dust from entering the movable gap between the handle assembly 23 and the upper cover 12.

The panel cover 13 has an accommodating window 131, the panel cover 13 covers the base 11 and is in sealing contact with the outer edge of the sealing cover 30, and the upper cover 12 and the sealing cover 30 are accommodated in the accommodating window 131. In this way, the sealing cover 30 can seal the engagement gap between the upper cover 12 and the panel cover 13, and prevent water droplets from flowing into the conductive member from the engagement gap, thereby achieving the purpose of sealing and waterproofing.

Through the scheme, the required IPX3 waterproof performance can be realized, dust can be better prevented, and the safety performance of the product is improved. And the assembly is simple and the cost is low.

Further, in this embodiment, the sealing cover 30 includes a cover body 31, a handle sleeve 32 and a movable connecting section 33, the cover body 31 is adapted to the shape of the upper cover 12 and is configured to be sleeved on the surface of the upper cover 12, and the handle sleeve 32 corresponds to the handle 231 and forms a sealing fit with the handle 231; the cover body 31 and the handle sleeve 32 are connected through a movable connecting section 33; thus, the handle 231 can be ensured to rotate freely without affecting normal use.

More specifically, in this embodiment, the handle sleeve 32 has a sleeve hole 321, and the handle 231 is sealingly sleeved in the sleeve hole 321 and extends out of the handle sleeve 32, so that the handle 231 can extend out and can be sealingly engaged.

Specifically, the movable connecting section 33 is a fold section, and the fold section can be moved well. Of course, in other embodiments, the movable connecting section 33 may also be of other structures such as a structure with a small thickness for flexible movement.

More specifically, the sealing cover 30 is a transparent sealing cover, and by adopting the transparent structure, the internal situation can be clearly confirmed, such as clearly confirming the opening and closing situation of the remark on the handle assembly 23.

More specifically, sealed cowling 30 is the soft cover of silica gel, through mould injection moulding, and the silica gel material is with low costs, soft and transparent, the preparation that is applicable to this sealed cowling 30 that can be fine. And when the panel cover 13 is pressed on the sealing cover 30, the gaps can be automatically filled by the flexibility of the silica gel, and the sealing effect is better.

Of course, in other embodiments, the sealing cover 30 may also be made of other materials such as epoxy resin, and the sealing cover 30 may also be made opaque, that is, made of opaque materials such as rubber, and when the sealing cover 30 is made of an opaque structure, the identifier of the opening/closing switch may be transferred to the surface of the sealing cover 30.

Further, the outer edge of the sealing cover 30 has a sealing straight section 301, and the panel cover 13 is in sealing contact with the sealing straight section 301, so that the assembly is more stable.

Further, a first mating connection structure 302 is disposed on an outer edge of the sealing cover 30, and a second mating connection structure (not shown) is disposed on the upper cover 12; the sealing cover 30 is disposed on the surface of the upper cover 12 in a sealing manner and fixed by the first mating connection structure 302 and the second mating connection structure. Through being connected of sealed cowling 30 and upper cover 12, pull down panel lid 13 and carry out the dismouting wiring in-process and can not pull out sealed cowling 30, make things convenient for the customer to use, improve the product reliability simultaneously.

More specifically, the first mating connection structure 302 is a fastening lug, which is an ear portion provided with a through hole; the second matching connection structure is a draw hook which is inserted in the buckle lug (which is inserted in the through hole of the lug) to realize matching connection. The matching structure is simple and easy to operate. Of course, in other embodiments, the mating structures of the first mating connection structure 302 and the second mating connection structure are not limited thereto.

Example two

The waterproof protection switch provided by the embodiment is substantially the same as the waterproof protection switch provided by the embodiment in structure, and the difference is that: referring to fig. 6, in the present embodiment, the handle sleeve 32 of the sealing cover 30 is a sealing sleeve without an opening, and the handle sleeve 32 is sleeved on and covers the handle 231 to realize a fully-covered sealing structure.

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, its characterized in that: the device comprises a shell, a static contact part, a movable contact part, a handle assembly and a sealing cover, wherein the shell comprises a base, an upper cover and a panel cover; the surface of upper cover is located to the sealed cover sealing cover, the panel lid has and holds the window, the panel lid covers on the base to sealed butt in the outer edge of sealed cover, upper cover and sealed cover hold in the window.

2. The waterproof protection switch according to claim 1, characterized in that: the sealing cover comprises a cover body, a handle sleeve and a movable connecting section, the cover body is matched with the upper cover in shape and is used for being sleeved on the surface of the upper cover, and the handle sleeve corresponds to the handle and is in sealing fit with the handle; the cover body is connected with the handle sleeve through a movable connecting section.

3. The waterproof protection switch according to claim 2, characterized in that: the handle sleeve is provided with a sleeve hole, and the handle sealing sleeve is arranged in the sleeve hole and extends out of the handle sleeve.

4. The waterproof protection switch according to claim 2, characterized in that: the handle sleeve is a seal sleeve without an opening, and the handle sleeve is sleeved and coated on the handle.

5. The waterproof protection switch according to claim 2, characterized in that: the movable connecting section is a fold section.

6. The waterproof protection switch according to claim 1 or 2, characterized in that: the outer edge of the sealing cover is provided with a sealing straight section, and the panel cover is in sealing butt joint with the sealing straight section.

7. The waterproof protection switch according to claim 1 or 2, characterized in that: the sealing cover is a transparent sealing cover.

8. The waterproof protection switch according to claim 1 or 2, characterized in that: the sealing cover is a silica gel soft cover.

9. The waterproof protection switch according to claim 1 or 2, characterized in that: the outer edge of the sealing cover is also provided with a first matching connection structure, and the upper cover is provided with a second matching connection structure; the sealing cover is sleeved on the surface of the upper cover in a sealing mode and is fixed through the matching connection of the first matching connection structure and the second matching connection structure.

10. The waterproof protection switch according to claim 9, wherein: the first matching connection structure is a buckling lug, the second matching connection structure is a draw hook, and the draw hook is inserted in the buckling lug to realize matching connection.