CN213723714U

CN213723714U - Ultraviolet sterilizing equipment's waterproof construction and ultraviolet sterilizing equipment

Info

Publication number: CN213723714U
Application number: CN202021229129.7U
Authority: CN
Inventors: 陈志彬; 刘英红; 陈敏
Original assignee: Xiamen Zettler Magnetoelectric Co ltd
Current assignee: Xiamen Zettler Magnetoelectric Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-07-20
Anticipated expiration: 2030-06-29

Abstract

The utility model discloses a waterproof structure of an ultraviolet sterilization device, which comprises a first shell and a second shell; the first shell is provided with an open accommodating cavity; the second shell is provided with a through accommodating cavity for arranging the ultraviolet lamp unit, and at least part of the second shell is inserted into the open accommodating cavity to be assembled with the first shell; the lateral wall radial extension of second casing forms the round and supports and lean on the mesa, and when the second casing inserted the uncovered holding chamber of first casing, the terminal surface that supports and leans on mesa and first casing supports to support and lean on the contact to through sealed recess and sealed protruding cooperation. The utility model discloses still disclose an ultraviolet sterilizing equipment. The utility model can prevent external water vapor from entering the accommodating cavity of the second shell through the clearance formed by assembling the second shell and the first shell to corrode the driving circuit board, thereby improving the waterproof grade; meanwhile, when the accommodating cavity of the second shell is filled with the sealing and heat conducting glue in a sealing mode, the sealing and heat conducting glue can be prevented from overflowing along the gap formed by assembling the second shell and the first shell.

Description

Ultraviolet sterilizing equipment's waterproof construction and ultraviolet sterilizing equipment

Technical Field

The utility model relates to an ultraviolet sterilization technical field for washing machine, in particular to ultraviolet sterilization device's waterproof construction and ultraviolet sterilization device.

Background

After the washing machine finishes washing, bacteria are easy to breed in the washing machine, and the health of a user is affected. In order to solve the problem, an ultraviolet sterilization device is usually installed at a proper position in the washing machine in the existing washing machine, and the ultraviolet sterilization device is started in the washing process to achieve the sterilization purpose.

However, the uv sterilization apparatus is used by applying electricity and is installed in an environment with water, so that the demand for electrical safety is high. Meanwhile, the ultraviolet sterilization device is arranged inside the washing machine, and a wet environment inside the washing machine easily corrodes a circuit board of the ultraviolet sterilization device, so that the ultraviolet sterilization device has high waterproof requirements.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the above-mentioned technology to a certain extent. Therefore, an object of the present invention is to provide a waterproof structure of an ultraviolet sterilization device to prevent water vapor from entering the ultraviolet sterilization device to corrode a circuit board, thereby improving the waterproof level.

A second object of the utility model is to provide an ultraviolet sterilizing device, include waterproof construction can prevent that steam from getting into ultraviolet sterilizing device inside and corroding the circuit board, improves waterproof grade.

In order to achieve the above object, a first embodiment of the present invention provides a waterproof structure of an ultraviolet sterilization apparatus, including:

the first shell is provided with an open accommodating cavity;

the second shell is provided with a through accommodating cavity for arranging an ultraviolet lamp unit, and at least part of the second shell is inserted into the open accommodating cavity to be assembled with the first shell; the outer side wall of the second shell extends radially to form a circle to abut against the table top, and when the second shell is inserted into the open accommodating cavity of the first shell, the abutting table top abuts against and contacts with the end face of the first shell, and the abutting table top is matched with the sealing protrusion through the sealing groove.

According to the utility model discloses ultraviolet sterilizing equipment's waterproof construction, because during the second casing inserted the uncovered holding chamber of first casing, support to lean on the terminal surface of mesa and first casing to support and lean on the contact to through sealed recess and sealed protruding cooperation. Therefore, external water vapor can be prevented from entering the accommodating cavity of the second shell through the gap formed by assembling the second shell and the first shell to corrode the driving circuit board, and the waterproof grade is improved; meanwhile, when the accommodating cavity of the second shell is filled with the sealing and heat conducting glue in a sealing mode, the sealing and heat conducting glue can be prevented from overflowing along the gap formed by assembling the second shell and the first shell.

In addition, according to the present invention, the waterproof structure of the ultraviolet sterilization device can further have the following additional technical features:

further, the abutting joint is arranged on the table board and provided with the sealing protrusion, the end face of the first shell is provided with the sealing groove, and the sealing protrusion is clamped into the sealing groove.

Further, the outer side wall of the second shell is close to the abutting table to form a first step, the inner side wall of the open accommodating cavity of the first shell forms a second step, and the second step and the first step are abutted to each other.

So set up, can further prevent sealed and heat-conducting glue and spill over along the clearance of second casing and first casing equipment, also can further prevent outside steam to get into the intracavity that holds of second casing through the clearance of second casing and first casing equipment simultaneously and corrode drive circuit board.

Further, the abutting joint is provided with the sealing groove on the table board, the end face of the first shell is provided with the sealing protrusion, and the sealing protrusion is clamped into the sealing groove.

Furthermore, the through accommodating cavity for arranging the ultraviolet lamp unit is filled with sealing and heat conducting glue.

In order to achieve the above object, a second embodiment of the present invention provides an ultraviolet sterilization device, which includes the above waterproof structure, so as to prevent external water vapor from entering into the accommodating cavity of the second housing through the gap formed by assembling the second housing and the first housing to corrode the driving circuit board, thereby improving the waterproof level; meanwhile, when the accommodating cavity of the second shell is filled with the sealing and heat conducting glue in a sealing mode, the sealing and heat conducting glue can be prevented from overflowing along the gap formed by assembling the second shell and the first shell.

Drawings

Fig. 1 is a schematic structural diagram of a waterproof structure of an ultraviolet sterilization device according to an embodiment of the present invention;

fig. 2 is an exploded view of a waterproof structure of an ultraviolet sterilization device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a first housing according to an embodiment of the present invention;

fig. 4 is a top view of a waterproof structure of the ultraviolet sterilization device according to the embodiment of the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

fig. 6 is a front view of a waterproof structure of the ultraviolet sterilization device according to the embodiment of the present invention;

fig. 7 is a cross-sectional view of B-B in fig. 6.

Description of the reference symbols

Open accommodating cavity 11 of first shell 1

Second step 12 insert column 13

Screw hole 131 second housing 2

Card slot 211 of accommodating cavity 21

Against the first step 23 of the table 22

Insertion groove 24 threaded through hole 241

Fastener 25 ultraviolet lamp unit 3

UV circuit board 31 sealing gasket 311

Quartz glass 312 sealing ring 313

Limiting groove 314 seals groove 4

Sealing projection 5 drive circuit board 6

A screw 7.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Example one

As shown in fig. 1 to 7, the waterproof structure of an ultraviolet sterilizer of the present invention includes a first casing 1 and a second casing 2, wherein the first casing 1 has an open accommodating cavity 11; the second shell 2 is provided with a through accommodating cavity 21 for arranging the ultraviolet lamp unit 3, and at least part of the second shell 2 is inserted into the open accommodating cavity 11 to be assembled with the first shell 1; the outer side wall of the second casing 2 radially extends to form a ring to abut against the table top 22, and when the second casing 2 is inserted into the open accommodating cavity 11 of the first casing 1, the end face abutting against the table top 22 and the first casing 1 abuts against and contacts with each other, and is matched with the sealing protrusion 5 through the sealing groove 4.

When the second housing 2 is inserted into the open accommodating cavity 11 of the first housing 1, the abutting table 22 is in abutting contact with the end surface of the first housing 1 and is matched with the sealing protrusion 5 through the sealing groove 4. Therefore, external water vapor can be prevented from entering the accommodating cavity 21 of the second shell 2 through the gap formed by assembling the second shell 2 and the first shell 1 to corrode the driving circuit board 6, and the waterproof grade is improved; meanwhile, when the accommodating cavity 21 of the second housing 2 is filled with the sealing and heat conducting glue, the sealing and heat conducting glue can be prevented from overflowing along the gap between the second housing 2 and the first housing 1.

Optionally, a sealing protrusion 5 is provided on the abutting table 22, a sealing groove 4 is provided on the end surface of the first housing 1, and the sealing protrusion 5 is snapped into the sealing groove 4. So set up, when the sealed and heat-conducting glue of embedment in the chamber 21 that holds of second casing 2, can prevent sealed and heat-conducting glue from overflowing along the clearance of second casing 2 with the equipment of first casing 1, also can prevent simultaneously that outside steam from getting into the chamber 21 that holds of second casing 2 internal corrosion drive circuit board 6 through the clearance of second casing 2 with the equipment of first casing 1.

Of course, the abutting table 22 may also be provided with a sealing groove 4, the end surface of the first housing 1 is provided with a sealing protrusion 5, and the sealing protrusion 5 is clamped in the sealing groove 4, which is the same as the above principle and is not described herein again.

In this example, the outer sidewall of the second housing 2 forms a first step 23 close to the abutting table 22, the inner sidewall of the open accommodating cavity 11 of the first housing 1 forms a second step 12, and the second step 12 and the first step 23 abut against each other. So set up, can further prevent sealed and heat-conducting glue from overflowing along the clearance of second casing 2 with the equipment of first casing 1, also can further prevent outside steam to corrode drive circuit board 6 in getting into the chamber 21 that holds of second casing 2 through the clearance of second casing 2 with the equipment of first casing 1 simultaneously.

In this example, the through cavity 21 for accommodating the ultraviolet lamp unit 3 may be filled with a sealing and heat-conducting adhesive, and the sealing and heat-conducting adhesive plays a role in sealing and heat conduction.

Example two

As shown in fig. 1 to 7, the present invention discloses an ultraviolet sterilization device for a washing machine, which comprises a first casing 1, a second casing 2 and an ultraviolet lamp unit 3. The first casing 1 has an open accommodating cavity 11, and a transparent window is formed at the bottom of the open accommodating cavity 11. The second shell 2 is provided with a through accommodating cavity 21, and at least part of the second shell 2 is inserted into the open accommodating cavity 11 to be assembled with the first shell 1; the ultraviolet lamp unit 3 comprises a UV circuit board 31 and a driving circuit board 6 connected with the UV circuit board 31, the driving circuit board 6 is installed in the accommodating cavity 21, and the UV circuit board 31 is fixed on the end face of the second shell 2 and is placed in the open accommodating cavity 11, so that the emitted light of the UV circuit board 31 is projected out through the transparent window.

Because the driving circuit board 6 is installed in the accommodating cavity 21, the UV circuit board 31 is fixed on the end surface of the second housing 2 and is placed in the open accommodating cavity 11, and at least part of the second housing 2 is inserted into the open accommodating cavity 11 and assembled with the first housing 1, so that the appearance of the whole body is represented by two parts, namely the first housing 1 and the second housing 2, and the whole body structure is integrated, so that the whole volume is small.

Optionally, a sealing gasket 311 is disposed at a front end of the UV circuit board 31, a quartz glass 312 is disposed at a front end of the sealing gasket 311, the quartz glass 312 covers the transparent window, and a sealing ring 313 is disposed between the quartz glass 312 and the bottom of the open accommodating cavity 11. During assembly, the sealing ring 313, the quartz glass 312 and the sealing gasket 311 are tightly placed in the open accommodating cavity 11 of the first housing 1 in sequence to complete the assembly.

In this example, the outer side wall of the second housing 2 is provided with an insertion groove 24 in the axial direction; the inner side wall of the first housing 1 is provided with insertion posts 13 which can be inserted into the insertion grooves 24 in the axial direction. So set up, when second casing 2 at least part inserts in open holding chamber 11 and assembles with first casing 1, only need to align the post 13 of inserting of first casing 1 with the recess 24 of inserting of second casing 2, can insert the open holding chamber 11 of first casing 1 with second casing 2 fast for second casing 2 is convenient with first casing 1 equipment.

In this example, the insert column 13 is provided with a threaded hole 131 along the axial direction, the second housing 2 corresponding to the bottom of the insert groove 24 is provided with a threaded through hole 241, and the screw 7 sequentially connects the threaded through hole 241 of the second housing 2 and the threaded hole 131 of the insert column 13, so that the second housing 2 and the first housing 1 are fixedly assembled. The threaded holes 131 are formed in the inserting columns 13, and the threaded through holes 241 are formed in the bottoms of the inserting grooves 24, so that the overall structure layout and the overall structure strength are not affected, and the inserting columns 13 and the inserting grooves 24 have the functions of inserting, fool-proofing and fixed connection.

In this example, the inner side wall of the accommodating chamber 21 of the second housing 2 is provided with a locking groove 211 along the axial direction, and the driving circuit board 6 is fixed in the locking groove 211 along the axial direction. So set up for drive circuit board 6 can install in holding chamber 21 of second casing 2, simple to operate moreover can realize quick installation. The two opposite sides of the inner side wall of the accommodating cavity 21 are respectively provided with a clamping groove 211 along the axial direction, and the two sides of the driving circuit board 6 are respectively fixed in the clamping grooves 211 along the axial direction; one end of the card slot 211 is opened and the other end is closed, so that the driving circuit board 6 is inserted from the open end of the card slot 211 and stops at the closed end of the card slot 211. The clamping grooves 211 are formed in the two opposite sides of the inner side wall of the accommodating cavity 21 in the axial direction respectively, so that the two sides of the driving circuit board 6 can be fixed in the clamping grooves 211 in the axial direction respectively, stability is improved, and the driving circuit board 6 is prevented from generating displacement.

In this example, the end of the second casing 2 inserted into the open accommodating cavity 11 of the first casing 1 is provided with a buckle 25; the UV circuit board 31 is provided with a limit groove 314 which can be clamped into the buckle 25; the clip 25 is snapped into the retaining groove 314 to secure the UV circuit board 31 to the end of the second housing 2.

In this example, the outer side wall of the second casing 2 extends radially to form a ring of abutting table 22, and when the second casing 2 is inserted into the open accommodating cavity 11 of the first casing 1, the abutting table 22 abuts against and contacts with the end surface of the first casing 1, and is matched with the sealing protrusion 5 through the sealing groove 4. So set up, when the sealed and heat-conducting glue of embedment in the chamber 21 that holds of second casing 2, can prevent sealed and heat-conducting glue from overflowing along the clearance of second casing 2 with the equipment of first casing 1, also can prevent simultaneously that outside steam from getting into the chamber 21 that holds of second casing 2 internal corrosion drive circuit board 6 through the clearance of second casing 2 with the equipment of first casing 1.

In this example, a sealing protrusion 5 is provided on the abutting table 22, a sealing groove 4 is provided on the end surface of the first housing 1, and the sealing protrusion 5 is snapped into the sealing groove 4.

In the description of the present invention, it is to 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" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean 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 invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A waterproof structure of an ultraviolet sterilization device, comprising:

the first shell is provided with an open accommodating cavity;

2. The waterproof structure for an ultraviolet sterilization device according to claim 1, wherein the abutting table is provided with the sealing protrusion, the end surface of the first housing is provided with the sealing groove, and the sealing protrusion is snapped into the sealing groove.

3. The waterproof structure for an ultraviolet sterilizer as claimed in claim 2, wherein the outer sidewall of the second housing forms a first step near the abutting surface, the inner sidewall of the open receiving chamber of the first housing forms a second step, and the second step abuts against the first step.

4. The waterproof structure for an ultraviolet sterilization device according to claim 1, wherein the abutting table is provided with the sealing groove, the end surface of the first housing is provided with the sealing protrusion, and the sealing protrusion is snapped into the sealing groove.

5. The waterproof structure for an ultraviolet sterilization apparatus according to claim 1, wherein the through housing chamber for disposing the ultraviolet lamp unit is filled with potting and heat-conducting glue.

6. An ultraviolet sterilization apparatus comprising the waterproof structure of an ultraviolet sterilization apparatus as claimed in any one of claims 1 to 5.