CN212434519U - Waterproof structure of button switch - Google Patents
Waterproof structure of button switch Download PDFInfo
- Publication number
- CN212434519U CN212434519U CN202021449520.8U CN202021449520U CN212434519U CN 212434519 U CN212434519 U CN 212434519U CN 202021449520 U CN202021449520 U CN 202021449520U CN 212434519 U CN212434519 U CN 212434519U
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- China
- Prior art keywords
- push rod
- button switch
- groove
- shell
- main body
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- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model relates to a button switch's waterproof construction, include: a housing; the push rod is arranged in the shell and comprises a groove positioned at the lower part of the push rod; the decorative ring is provided with a clamping hook part and is clamped with the shell through the clamping hook; the sealing ring comprises a main body part, a first flange part which is outwards turned over from one side of the main body part to form a groove structure and a second flange part which is outwards bent from the other side of the main body part to form an bulge, the first flange part of the sealing ring is inserted into the decorative ring and the gap between the shells is matched with a clamping hook part on the decorative ring, the second flange part is inserted into the push rod and the gap between the decorative rings is matched with a groove on the push rod, and the corresponding gaps are respectively sealed. The utility model discloses a button switch's waterproof construction can make button switch reach better sealed effect.
Description
Technical Field
The utility model belongs to the technical field of low-voltage apparatus, especially, relate to a button switch's waterproof construction for controlling low-voltage apparatus break-make.
Background
The main structure of the existing button product can be generally divided into two parts, namely a head part and a contact base, wherein the head part is used for realizing the functions of operation, locking, resetting and the like of the button, the contact base is generally composed of a moving contact, a fixed contact, a wiring screw, a shell, a contact supporting part and the like, and the function of the contact base is to complete the connection and disconnection of the contact under the control of the motion of the head part and realize the current connection and disconnection. Once the contact base is immersed in water, a circuit short circuit can be caused, so that the failure, damage and even explosion of the button and the machine equipment are caused, and casualties and property loss are caused. Because the contact base is installed in the inside of button box, switch board, and button box, switch board itself have good waterproof function, so the unable direct contact base that gets into of button box, switch board of groundwater under the general condition. Thus, button water inflow is basically caused by head water inflow and water entering the contact base. Therefore, waterproofing the button head becomes an important part of the button design. Current button is when the up-and-down motion, because the effect of frictional force often can drive the sealing washer and then move to the sealing washer warp the distortion, deviate from even, leads to waterproof function inefficacy.
Disclosure of Invention
An object of the utility model is to overcome the defect that current button switch waterproof performance can't satisfy the waterproof requirement of high performance to a button switch's waterproof construction with higher waterproof performance is provided.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
a waterproof structure of a push switch, comprising:
a housing;
the push rod is arranged in the shell and comprises a groove positioned at the lower part of the push rod, a return spring is arranged between the push rod and the shell, and the return spring always provides upward thrust for the push rod;
the decorative ring is provided with a clamping hook part and is clamped with the shell through the clamping hook;
the sealing ring comprises a main body part, a first flange part which is folded outwards from one side of the main body part to form a groove structure, and a second flange part which is bent outwards from the other side of the main body part to form a protrusion, wherein the first flange part of the sealing ring is inserted into a gap between the decorative ring and the shell and is matched with a clamping hook part on the decorative ring, and the second flange part is inserted into a gap between the push rod and the decorative ring and is matched with a groove on the push rod to respectively seal the corresponding gaps;
the sealing ring is an elastic deformation piece and can be elongated or restored to the original shape along with the movement of the push rod.
The preferable technical scheme is as follows:
according to the waterproof structure of the button switch, the first bending part is the convex rib with a certain height, and the decorative ring is in press fit with the convex rib.
According to the waterproof structure of the button switch, the second flange part is of a boss structure.
According to the waterproof structure of the button switch, the shell comprises the upper annular plate part and the lower annular plate part which are integrally formed, the annular accommodating groove is formed between the upper plate part and the lower plate part, and the push rod is located inside the accommodating groove.
According to the waterproof structure of the button switch, the boss structure is clamped into the groove in the push rod, and an included angle between the boss structure and the seal ring main body is a right angle.
Has the advantages that:
the utility model discloses a button switch's waterproof construction, seal the clearance between push rod and the inside wall of casing through sealing washer one end, seal the clearance between decoration ring and casing through the sealing washer other end, make the holding tank communicate two clearance passageways inside the casing all blocked up, thereby make water can't enter the casing from in the holding tank, reach better sealed effect; the sealing ring is provided with a certain deformation amount, so that the sealing ring can move up and down along with the push rod, and the sealing ring is prevented from being extruded and deformed violently to cause untight sealing.
Drawings
Fig. 1 is a schematic structural view of a waterproof structure of a push-button switch according to the present invention;
fig. 2 is a sectional view of a waterproof structure of a push switch according to the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
fig. 4 is an exploded view illustrating a waterproof structure of a push button switch shown in fig. 1;
the novel plastic sealing ring comprises a shell, a groove, a push rod, a boss structure, a rib, a decorative ring and a sealing ring, wherein the shell is 1, the groove is 11, the push rod is 2, the boss structure is 21, the rib is 22, the decorative ring is 3, and the sealing ring is 4.
Detailed Description
The present invention will be further described with reference to the following detailed description. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
As shown in fig. 1-4, the utility model discloses a button switch's waterproof construction, include:
the shell body 1 comprises an upper annular plate part and a lower annular plate part which are integrally formed, and an annular accommodating groove is formed between the upper annular plate part and the lower annular plate part;
the push rod 2 is positioned in the accommodating groove of the shell 1, the push rod 2 comprises a groove 11 positioned at the lower part of the push rod 2, a return spring is arranged between the push rod and the shell, and the return spring always provides upward thrust for the push rod;
the decorative ring 3 is provided with a clamping hook part, and the decorative ring 3 is clamped with the shell 1 through the clamping hook;
the sealing ring 4 comprises a main body part, a first flange part which is turned outwards from one side of the main body part to form a groove structure, and a second flange part which is bent outwards from the other side of the main body part to form a protrusion, the first flange part of the sealing ring 4 is inserted into a gap between the decorative ring 3 and the shell 1 and is matched with a clamping hook part on the decorative ring 3, the second flange part is inserted into a gap between the push rod 2 and the decorative ring 3 and is matched with a groove on the push rod 2, and the corresponding gaps are respectively sealed;
the sealing ring 4 is an elastic deformation member which can be elongated or restored to the original shape along with the movement of the push rod 2.
In a preferred embodiment, the first bending part is a rib 22 with a certain height, and the decoration ring 3 is in press fit with the rib 22; the second flange part is a boss structure 21; the boss structure 21 is clamped into the groove 11 on the push rod 2, and an included angle between the boss structure 22 and the main body of the seal ring 4 is a right angle.
By adopting the technical scheme, the utility model discloses a button switch's waterproof construction seals the clearance between push rod 1 and the inside wall of casing 4 through sealing washer 2 one end 21, seals the clearance between decoration ring 3 and casing 4 through sealing washer 2 other end 22, makes two clearance passageways that the holding tank communicates the casing 4 inside all be blocked up to make water can't get into the casing 4 inside from in the holding tank, reaches better sealed effect; the sealing ring 2 is provided with a certain deformation amount, so that the sealing ring can move up and down along with the push rod, and the sealing ring 2 is prevented from being severely extruded and deformed to cause untight sealing.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (5)
1. A waterproof structure of a push switch, comprising:
a housing;
the push rod is arranged in the shell and comprises a groove positioned at the lower part of the push rod, a return spring is arranged between the push rod and the shell, and the return spring always provides upward thrust for the push rod;
the decorative ring is provided with a clamping hook part and is clamped with the shell through the clamping hook;
the sealing ring comprises a main body part, a first flange part which is folded outwards from one side of the main body part to form a groove structure, and a second flange part which is bent outwards from the other side of the main body part to form a protrusion, wherein the first flange part of the sealing ring is inserted into a gap between the decorative ring and the shell and is matched with a clamping hook part on the decorative ring, and the second flange part is inserted into a gap between the push rod and the decorative ring and is matched with a groove on the push rod to respectively seal the corresponding gaps;
the sealing ring is an elastic deformation piece and can be elongated or restored to the original shape along with the movement of the push rod.
2. The waterproof structure of a push-button switch of claim 1, wherein the first bending portion is a rib having a certain height, and the decorative ring is press-fitted to the rib.
3. The waterproof structure of a push button switch of claim 1, wherein the second flange portion is a boss structure.
4. The waterproof structure of a push-button switch according to claim 1, wherein said housing includes upper and lower annular plate portions formed integrally therewith, and an annular receiving groove is formed between the upper and lower plate portions, and said push rod is located inside said receiving groove.
5. The waterproof structure of a button switch according to claim 3, wherein the boss structure is snapped into a groove on the push rod, and an included angle between the boss structure and the seal ring main body is a right angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021449520.8U CN212434519U (en) | 2020-07-21 | 2020-07-21 | Waterproof structure of button switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021449520.8U CN212434519U (en) | 2020-07-21 | 2020-07-21 | Waterproof structure of button switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212434519U true CN212434519U (en) | 2021-01-29 |
Family
ID=74277651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021449520.8U Active CN212434519U (en) | 2020-07-21 | 2020-07-21 | Waterproof structure of button switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212434519U (en) |
-
2020
- 2020-07-21 CN CN202021449520.8U patent/CN212434519U/en active Active
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