CN110189942B - Dustproof splash-proof switch - Google Patents
Dustproof splash-proof switch Download PDFInfo
- Publication number
- CN110189942B CN110189942B CN201910515930.3A CN201910515930A CN110189942B CN 110189942 B CN110189942 B CN 110189942B CN 201910515930 A CN201910515930 A CN 201910515930A CN 110189942 B CN110189942 B CN 110189942B
- Authority
- CN
- China
- Prior art keywords
- terminal
- inner shell
- push rod
- shell
- button
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 7
- 239000000428 dust Substances 0.000 claims description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 5
- 239000010931 gold Substances 0.000 claims description 5
- 229910052737 gold Inorganic materials 0.000 claims description 5
- 238000007747 plating Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/04—Cases; Covers
- H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Push-Button Switches (AREA)
Abstract
The invention discloses a dustproof splash-proof switch, which comprises an outer shell, wherein a button which is rotationally connected with the outer shell is arranged on the outer shell, a sealed independent switch structure is arranged in the outer shell, the switch structure comprises an inner shell, a base, a push rod and terminals, the inner shell and the base are sealed through welding, a sealed space is formed between the inner shell and the base, the push rod penetrates through the inner shell to the middle part of the inner shell, sealing rings are arranged at contact positions between the inner shell and the push rod, two terminals are arranged and extend from the inner shell to the outer side of the inner shell and comprise a first terminal and a second terminal, the push rod in the inner shell acts on the first terminal to enable the first terminal to be contacted with or separated from the second terminal, the inner shell and the base are sealed through welding, and the sealing rings are arranged at contact positions of the opening of the inner shell and the push rod to isolate the inside of the switch structure from the outside, so that the protection grade of the switch reaches IP54.
Description
Technical Field
The invention relates to the field of switches, in particular to a dustproof and splash-proof switch with a protection level reaching IP 54.
Background
The dustproof splash-proof switch is mainly applied to environments with moist periphery and splashed liquid or larger dust, in order to prevent dust and splashed liquid from entering the switch and influencing the safety of the switch in the use process, in the prior art, in order to set the switch as a waterproof switch, materials such as glue are filled in a cavity in the switch generally, so that the liquid cannot enter the switch, the waterproof effect of the switch is good, but the whole production process and the structure of the switch are complex under the condition, and the waterproof mode is complex under the condition that the waterproof requirement is not particularly high, and the production cost is high.
Disclosure of Invention
Based on the structure, the invention provides the dustproof and splash-proof switch which is low in production cost and can achieve good dustproof and splash-proof effects in a certain environment.
The invention provides a dustproof and splash-proof switch, which comprises an outer shell, wherein a button which is rotationally connected with the outer shell is arranged on the outer shell, a sealed switch structure is arranged in the outer shell, the switch structure comprises an inner shell, a base, a push rod and a terminal, the inner shell and the base are sealed through welding, a closed space is formed inside the inner shell, the push rod penetrates through the inner shell to the middle part of the inner shell, a sealing ring is arranged at the contact position between the inner shell and the push rod, two terminals are arranged, the two terminals extend from the inner shell to the outer side of the inner shell and comprise a first terminal and a second terminal, and the push rod in the inner shell acts on the first terminal to enable the first terminal to be contacted with or separated from the second terminal.
Preferably, the contact position of the first terminal and the second terminal is provided with a contact point higher than the terminal surface, and the contact points of the first terminal and the second terminal are arranged in a crisscross manner.
Preferably, the contact surface of the first terminal and the second terminal is provided with a gold plating layer.
Preferably, a through hole is formed in one side face of the inner shell, the push rod penetrates through the through hole to the inside of the inner shell, and the sealing ring is fixed at the through hole.
Preferably, a limiting ring is arranged on the push rod in the inner shell, the moving end of the first elastic piece is provided with a clamping groove which is clamped with the push block, the clamping groove is clamped on the limiting ring, and an elastic piece for enabling the push rod to recover to the original position is further arranged between the push rod and the inner shell.
Preferably, the upper side of the outer shell is provided with an opening, the button is positioned at the opening, the button is connected with the outer shell through a rotating shaft, and the sliding side surface of the button and the opening is provided with a bulge higher than the side surface of the button.
The invention has the beneficial effects that:
1. The inner shell is sealed with the base through welding, a sealing ring is arranged at the contact position of the opening of the inner shell and the push rod, the inside of the switch structure is isolated from the outside, a button used for driving the push rod to move is arranged on the upper side of the switch structure, the button, the outer shell and the switch structure form two structures which cannot be influenced, and in the use process, the push rod is driven by the pressed button to control the connection or disconnection of the switch structure.
2. The contacts of the first terminal and the second terminal are in crisscross contact, and the gold plating layer is arranged on the contact surface of the contact, so that the oxidation resistance and corrosion resistance of the contact are improved, the long-term contact reliability is ensured, and the resistance of the switch can be controlled better.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a switch according to the present invention;
FIG. 2 is a schematic diagram of the switch explosion diagram of the present invention;
FIG. 3 is an exploded view of the switch of the present invention;
FIG. 4 is a schematic view of a first terminal structure according to the present invention;
FIG. 5 is a schematic view of a second terminal structure according to the present invention;
The device comprises a button, 11, a protrusion, 2, an outer shell, 3, a switch structure, 31, an inner shell, 32, a push rod, 33, a base, 34, a second terminal, 35, a first terminal, 351, a clamping groove, 36, an elastic piece, 37, a sealing ring, 38, a contact, 39 and a limiting ring.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 and 5, a dustproof splash-proof switch comprises an outer shell 2, a button 1 rotationally connected with the outer shell 2 is arranged on the outer shell 2, a sealed switch structure 3 is arranged inside the outer shell 2, the switch structure 3 comprises an inner shell 31, a base 33, a push rod 32 and terminals, a sealed space is formed between the inner shell 31 and the base 33 through welding, the push rod 32 penetrates through the inner shell 31 to the middle part of the inner shell 31, a sealing ring 37 is arranged at a contact position between the inner shell 31 and the push rod 32, two terminals are arranged, the terminals extend to the outer side of the inner shell 31 from the inner shell 31 and comprise a first terminal 35 and a second terminal 34, the push rod 32 in the inner shell 31 acts on the first terminal 35, and the first terminal 35 is contacted with or separated from the second terminal 34.
The base 33 and the inner shell 31 are fixed and sealed through welding, the sealing ring 37 is arranged at the joint of the push rod 32 and the inner shell 31, at this time, the inside and the outside of the switch structure 3 can be isolated through the effect of the sealing ring 37, specifically, at this time, a hole is formed at the joint of the inner shell 31 and the push rod 32, the diameter of the hole is slightly larger than that of the push rod 32, the push rod 32 can slide in the hole, an annular groove is formed above the hole of the inner shell 31, the sealing ring 37 is heat-riveted in the annular groove, the sealing ring 37 is sealed in the inner shell 311 through the annular groove of the heat-fused inner shell 311, when the push rod 32 passes through the sealing ring 37, the gap between the push rod 32 and the hole of the inner shell can be sealed, and therefore, the space between the inner shell 31 and the base 33 of the switch structure 3 is sealed, and of course, the sealing ring 37 has certain elasticity.
In order to ensure the reliability of the operation of the switch, the contact position of the first terminal 35 and the second terminal 34 is provided with a contact 38 higher than the contact surface, and the contact 38 of the first terminal 35 and the contact 38 of the second terminal 34 are arranged in a crisscross manner, as shown in fig. 3, fig. 4 and fig. 5, at this time, the contact 38 is in a strip-shaped structure arranged on the terminal, and the two contacts 38 are arranged in a crisscross manner, so that in the use process, the contact stability and effectiveness can be ensured, the reliability of the product in the long-time use process can be ensured, and further, in order to improve the overall performance of the switch, the contact surface of the contact 38 of the first terminal 35 and the contact 38 of the second terminal 34 is provided with a gold plating layer, and at this time, the gold plating layer arranged on the contact 38 surface can better improve the stability of the contact resistance of the switch; .
Of course, in order to ensure the effectiveness of the movement of the push rod 32, the push rod 32 in the inner housing 31 is provided with a limiting ring 39, the free end of the first elastic member 36 is provided with a clamping groove 351 clamped with the push rod 32, the clamping groove 351 is clamped on the limiting ring 39, an elastic member 36 for enabling the push rod 32 to recover to the original position is further provided between the push rod 32 and the inner housing 31, in this embodiment, the limiting ring 39 is provided with two elastic members, both the elastic members are located inside the inner housing 31, the first elastic member 35 is clamped between the two limiting rings 39 through the clamping groove 351, at this time, the elastic member 36 is sleeved at the bottom of the push rod 32, and is located at the lower side of the limiting ring 39, when the push rod 32 is not pressed, the limiting ring 39 at the upper side of the push rod 32 is abutted with the inner side of the inner housing 31 under the action of the elastic member 36, the contact 38 of the push rod 32 is prevented from being separated from the contact 38 of the inner housing 31, the contact 38 of the first elastic member 35 is disconnected from the contact 38 of the second terminal 34, when the push rod 32 is pressed, the contact 38 is moved downwards, the first elastic member 36 is compressed, the contact 38 of the first elastic member 36 is contacted with the second terminal 34, and the contact 38 of the push rod 1 is released, and the contact 38 is separated from the contact 38 of the contact 32.
Of course, as the driving structure of the switch in this embodiment, the button 1 is mounted on the upper side of the outer casing 2, specifically, the upper side of the outer casing 2 is provided with an opening, the button 1 is located at the opening, the button 1 is connected with the outer casing 2 through a rotation shaft, the sliding side of the button 1 and the opening is provided with a protrusion 11 higher than the side of the button 1, at this time, the button 1 is in a fan-shaped structure, the inside of the button 1 is hollow, the bottom of the button 1 is abutted against the upper side of the push rod 32, during the pressing of the button 1, under the rotation action of the button 1, the push rod 32 moves up and down, thereby controlling the movement of the free end of the first terminal 35, so that the contacts 38 of the first terminal 35 and the second terminal 34 are in contact with each other, and the power is connected, after the button 1 is released, under the action of the elastic member 36, the push rod 32 and the button 1 on the upper side of the push rod 32 are restored to the original positions, during the pressing of the button 1, the opening transmission connection of the button 1 and the outer casing 2 is provided with protrusions 11, specifically including two protrusions 11 on the two sides of the lower sides of the rotation shaft of the button 1, and one protrusion 11 on the upper side of the fan-shaped surface can be prevented from falling off from the outer casing 2 through the protrusion 11 and the protrusion 1.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (4)
1. The dustproof splash-proof switch comprises an outer shell, wherein a button rotationally connected with the outer shell is arranged on the outer shell, a sealed independent switch structure is arranged in the outer shell, the switch structure comprises an inner shell, a base, a push rod and terminals, the inner shell and the base are sealed by welding, a closed space is formed inside the inner shell, the push rod penetrates through the inner shell to the middle part of the inner shell, a sealing ring is arranged at the contact position between the inner shell and the push rod, two terminals are arranged and extend from the inner shell to the outer side of the inner shell and comprise a first terminal and a second terminal, the push rod in the inner shell acts on the first terminal to enable the first terminal to be contacted with or separated from the second terminal,
A through hole is arranged on one side surface of the inner shell, the push rod passes through the through hole to the inner part of the inner shell, the sealing ring is fixed at the through hole,
Be equipped with the spacing ring on the push rod in the inner shell, first terminal free end be equipped with the draw-in groove of ejector pad joint, the draw-in groove card is on the spacing ring, still be equipped with the elastic component that is used for making the push rod resume original position between push rod and the inner shell.
2. The dust and splash guard switch of claim 1, wherein: the contact position of the first terminal and the second terminal is provided with a contact higher than the terminal surface, and the contact of the first terminal and the second terminal is arranged in a crisscross manner.
3. The dust and splash guard switch of claim 2, wherein: the contact surface of the first terminal and the second terminal is provided with a gold plating layer.
4. The dust and splash guard switch of claim 1, wherein: the button is arranged at the opening, the button is connected with the outer shell through a rotating shaft, and a bulge higher than the side surface of the button is arranged on the sliding side surface of the button and the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910515930.3A CN110189942B (en) | 2019-06-14 | 2019-06-14 | Dustproof splash-proof switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910515930.3A CN110189942B (en) | 2019-06-14 | 2019-06-14 | Dustproof splash-proof switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110189942A CN110189942A (en) | 2019-08-30 |
| CN110189942B true CN110189942B (en) | 2024-06-14 |
Family
ID=67721932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910515930.3A Active CN110189942B (en) | 2019-06-14 | 2019-06-14 | Dustproof splash-proof switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110189942B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112825291A (en) * | 2019-11-21 | 2021-05-21 | 惠州冠泰电子有限公司 | Sealed refrigerator door switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167306A (en) * | 2014-07-29 | 2014-11-26 | 东莞市高特电子有限公司 | Cross-shaped contact conduction apparatus |
| CN204635970U (en) * | 2015-05-28 | 2015-09-16 | 佛山市顺德区美的电热电器制造有限公司 | Microswitch and cooking apparatus |
| CN206961718U (en) * | 2017-07-19 | 2018-02-02 | 乐清市金鼎电子科技有限公司 | Dustproof button switch |
| CN210778348U (en) * | 2019-06-14 | 2020-06-16 | 惠州冠泰电子有限公司 | Dustproof splash-proof water switch |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002050426A (en) * | 2000-08-04 | 2002-02-15 | Sumitomo Wiring Syst Ltd | Sealed connector |
| US20100230262A1 (en) * | 2009-03-10 | 2010-09-16 | Devine Patrick J | Panel mount sealed pushbutton switch |
| JP5399804B2 (en) * | 2009-08-03 | 2014-01-29 | 矢崎総業株式会社 | connector |
| US9505376B2 (en) * | 2014-07-03 | 2016-11-29 | Tk Holdings Inc. | Actuator housing sealing mechanism |
| CN204946769U (en) * | 2015-10-15 | 2016-01-06 | 仝达机电工业（惠州）有限公司 | A kind of inching switch |
| CN106816333A (en) * | 2015-11-27 | 2017-06-09 | 浙江正泰电器股份有限公司 | Operation of push-button switch mechanism |
-
2019
- 2019-06-14 CN CN201910515930.3A patent/CN110189942B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167306A (en) * | 2014-07-29 | 2014-11-26 | 东莞市高特电子有限公司 | Cross-shaped contact conduction apparatus |
| CN204635970U (en) * | 2015-05-28 | 2015-09-16 | 佛山市顺德区美的电热电器制造有限公司 | Microswitch and cooking apparatus |
| CN206961718U (en) * | 2017-07-19 | 2018-02-02 | 乐清市金鼎电子科技有限公司 | Dustproof button switch |
| CN210778348U (en) * | 2019-06-14 | 2020-06-16 | 惠州冠泰电子有限公司 | Dustproof splash-proof water switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110189942A (en) | 2019-08-30 |
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