Waterproof and dustproof push-pull switch

Abstract

The utility model provides a waterproof and dustproof push-pull switch, which comprises a base, an upper cover, a push button, a wire inlet conductive piece and a wire outlet conductive piece, the wire inlet conductive piece and the wire outlet conductive piece have a contact conductive state and a separation disconnection state, the push button is movably arranged on the upper cover, and the upper cover is provided with a through groove for the push button to penetrate through and move. A cavity for containing the metal conductive parts is arranged between the base and the upper cover, a space for at least one metal conductive part to move is arranged in the cavity, a sealing ring is arranged on the periphery of the cavity between the upper cover and the base, a flexible sealing gasket is connected to the upper cover, the flexible sealing gasket covers the whole through groove, and the metal conductive parts are arranged in the through groove. The sealing gasket is provided with a hole groove for the end of the push button to penetrate through, and the inner wall of the hole groove is matched with the push button in a sealing mode. According to the push-pull switch, the sealing gasket is arranged on the upper cover, and the sealing gasket is in sealing fit with the push button, so that the sealing gasket can be always kept in a sealing state when the push button moves, and the waterproof and dustproof functions of the push-pull switch are realized.

Description

Technical Field

[0001] The utility model belongs to the technical field of switches, in particular to a waterproof and dustproof push-pull switch. Background Art

[0002] At present, ordinary switches on the market (such as push switches) have relatively simple waterproof and dustproof structural designs. Therefore, ordinary switches on the market can be designed to be waterproof and dustproof in order to work in specific environments. However, push-pull switches have a large horizontal displacement of the push button, so there is no waterproof and dustproof design on the market. Push-pull switches have their special convenience when in use, such as being easy to check whether they are in the switch state. Utility Model Content

[0003] The technical problem to be solved by the utility model is how to design a waterproof and dustproof structure of a push-pull switch.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A waterproof and dustproof push-pull switch comprises a base, an upper cover, a push button, at least one incoming conductive part and at least one outgoing conductive part, the incoming conductive part and the outgoing conductive part having a contact conductive state and a separated disconnected state, the push button is movably arranged on the upper cover, and a through slot for the push button to pass through and move is provided on the upper cover, a cavity for accommodating metal conductive parts is provided between the base and the upper cover, and space is provided in the cavity for at least one of the metal conductive parts to move, a sealing ring is provided on the periphery of the cavity between the upper cover and the base, a flexible sealing gasket is connected to the upper cover, the flexible sealing gasket covers the entire through slot arrangement, the sealing gasket is provided with a space for the push button end to be inserted; or the sealing gasket is provided with a hole slot for the push button end to pass through, and the inner wall of the hole slot is sealed with the push button.

[0006] Preferably, the sealing gasket includes a fixed part, a raised part, a recessed part and a push button connecting part, and the fixed part, raised part, recessed part and push button connecting part are all arranged in a circle, wherein the fixed part is the outermost circle, followed by the raised part, then the recessed part, and the push button connecting part is in the middle, and the raised part and the recessed part form a pulling stroke for the push button connecting part to move.

[0007] Preferably, a pressing plate is further included, which presses the fixing portion of the sealing gasket onto the upper cover, and the pressing plate has a hollow portion in the middle for the raised portion to pass through.

[0008] Preferably, the upper cover is buckled with the base.

[0009] Preferably, a plurality of positioning posts are provided on one end surface of the upper cover facing the pressure plate, and corresponding positions of the sealing gasket and the pressure plate are provided with positioning holes for inserting the positioning posts.

[0010] Preferably, at least one circle of ribs is provided on one end surface of the upper cover facing the pressure plate, and the fixing portion of the sealing gasket abuts against the ribs.

[0011] Preferably, an extension portion is provided at the contact point between the push button connecting portion and the push button, the shape of the extension portion matches the shape of the position where the push button is located, and the extension portion and the push button are tightly fitted.

[0012] Preferably, the push button is provided with a step structure, and the corresponding extension is provided with a matching step structure.

[0013] Preferably, the raised portion and the push button connecting portion both bulge upward.

[0014] Preferably, the sealing gasket is made of rubber.

[0015] The beneficial effect of the utility model is that the utility model provides a sealing gasket on the upper cover and seals the sealing gasket with the push button so that the sealing gasket can always maintain a sealed state when the push button moves, thereby realizing the waterproof and dustproof function of the push-pull switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a cross-sectional view of the utility model;

[0018] Figure 3 This is an exploded view of the structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the sealing gasket of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the upper cover of the utility model. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Example

[0023] See also Figure 1-Figure 5, as shown in the figure, a waterproof and dustproof push-pull switch includes a base 1, an upper cover 2, a push button 3, at least one incoming conductive member 4 and at least one outgoing conductive member 5, the incoming conductive member 4 and the outgoing conductive member 5 have a contact conductive state and a separated disconnected state, which is achieved by the elasticity of the conductive member itself and / or the push button 3 and the spring and steel ball inside the push button 3. This structure is a conventional structure in a push-pull switch and is a prior art. It is not related to the technical problem to be solved by this application and will not be elaborated on here. The push button 3 is movably arranged on the upper cover 2, and a hole is provided on the upper cover 2 for the push button 3 to pass through and A movable through slot 21 is provided with a cavity 6 for accommodating a metal conductive part between the base 1 and the upper cover 2, and a space is provided in the cavity for at least one of the metal conductive parts to move. It is worth noting that a sealing ring 7 is provided on the periphery of the cavity 6 between the upper cover 2 and the base 1, and a flexible sealing gasket 8 is connected to the upper cover 2. The flexible sealing gasket 8 covers the entire through slot 21, and a space is provided on the sealing gasket 8 for the end of the push button 3 to be inserted; or a hole groove 81 is provided on the sealing gasket 8 for the end of the push button 3 to pass through, and the inner wall of the hole groove 81 is sealed with the push button 3. The latter is adopted in this embodiment. The sealing gasket 8 in this embodiment includes a fixed portion 82, a raised portion 83, a recessed portion 84, and a push button connection portion 85. The fixed portion 82, raised portion 83, recessed portion 84, and push button connection portion 85 are all arranged in a circle, with the fixed portion 82 being the outermost circle, followed by the raised portion 83, then the recessed portion 84, and the push button connection portion 85 in the middle. The raised portion 83 and recessed portion 84 form a pulling stroke for the push button connection portion 85 to move. In this embodiment, the provision of the raised portion 83 provides the push button connection portion 85 in the middle with sufficient space for expansion and contraction during displacement, so that the push button connection portion 85 will not be pulled by the strong force of the sealing gasket 8 on one side and cannot be pushed. In this embodiment, the raised portion 83 and push button connection portion 85 are both raised upward, and the upward rise of the push button connection portion 85 further increases the travel of the push button 3. The sealing gasket 8 in this embodiment is made of rubber, which has excellent flexibility and better sealing performance.

[0024] To better secure the gasket 8 to the upper cover 2, this embodiment also includes a pressure plate 9. The pressure plate 9 presses the fixing portion 82 of the gasket 8 against the upper cover 2. The pressure plate 9 has a hollow portion 91 in the middle for the protrusion 83 to pass through. To facilitate the connection between the upper cover 2 and the base 1, the upper cover 2 and the base 1 are fastened together. The specific fastening structure is to provide an outwardly protruding undercut on one side of the base 1. After the upper cover 2 and the base 1 are mated, the upper cover 2's snapping portion snaps into the undercut position to achieve the fastening connection between the two.

[0025] Since the push-pull switch is relatively long, in order to avoid water leakage caused by the misalignment of the side sealing gasket 8 during repeated pushing and pulling of the push-pull switch, this embodiment provides a plurality of positioning posts 22 on the end surface of the upper cover 2 facing the pressure plate 9, and the corresponding positions of the sealing gasket 8 and the pressure plate 9 are provided with positioning holes 10 for inserting the positioning posts 22. The positioning posts 22 are designed at a certain distance apart, which ensures that the side sealing gasket 8 will not be pulled out of position during long-term use, thereby ensuring the long-term sealing performance of the push-pull switch. The positioning posts 22 not only play a positioning role, but also play a riveting role, so that the pressure plate can better press the sealing gasket 8.

[0026] To further ensure the sealing performance between the upper cover 2 and the sealing gasket 8, in this embodiment, at least one circle of ribs 23 is provided on the end surface of the upper cover 2 facing the pressure plate 9, and the fixing portion 82 of the sealing gasket 8 abuts against the ribs 23. The provision of the ribs 23 enables the sealing gasket 8 to better seal with the upper cover 2 and also better compresses the sealing gasket 8 to prevent it from moving, further ensuring long-term sealing performance.

[0027] To ensure waterproofing between the push button 3 and the sealing gasket 8, this embodiment provides an extension 851 at the contact point between the push button connection portion 85 and the push button 3. The shape of the extension 851 matches the shape of the location of the push button 3, and the extension 851 fits tightly against the push button 3. The provision of the extension 851 increases the contact area between the sealing gasket 8 and the push button 3, thereby ensuring a tight seal between the two.

[0028] In this embodiment, a step structure is further provided on the push button 3, and a matching step structure is provided on the corresponding extension 851. The step structure further increases the contact area between the push button 3 and the sealing gasket 8, further ensuring the sealing between the two.

Claims

1. A waterproof and dustproof push-pull switch, comprising a base, an upper cover, a push button, at least one incoming conductive member, and at least one outgoing conductive member, wherein the incoming conductive member and the outgoing conductive member can be in a contacting conductive state and a separated and disconnected state; the push button is movably mounted on the upper cover, and a through slot is provided on the upper cover for the push button to pass through and move; a cavity is provided between the base and the upper cover for accommodating the metal conductive member, and a space is provided within the cavity for at least one of the metal conductive members to move; and the switch is characterized in that: A sealing ring is provided between the upper cover and the base at the periphery of the cavity, and a flexible sealing gasket is connected to the upper cover. The flexible sealing gasket covers the entire through-slot setting, and a space is provided on the sealing gasket for the push button end to be inserted; or a hole groove is provided on the sealing gasket for the push button end to pass through, and the inner wall of the hole groove is sealed with the push button.

2. A waterproof and dustproof push-pull switch according to claim 1, characterized in that: The sealing gasket includes a fixed part, a raised part, a recessed part and a push button connecting part. The fixed part, the raised part, the recessed part and the push button connecting part are all arranged in a circle, wherein the fixed part is the outermost circle, followed by the raised part, then the recessed part, and the push button connecting part is in the middle. The raised part and the recessed part form a pulling stroke for the push button connecting part to move.

3. A waterproof and dustproof push-pull switch according to claim 2, characterized in that: The utility model also comprises a pressing plate, which presses the fixing portion of the sealing gasket onto the upper cover, and the middle of the pressing plate is provided with a hollow portion for the bulge to pass through.

4. The waterproof and dustproof push-pull switch according to claim 1, characterized in that: The upper cover is buckled with the base.

5. The waterproof and dustproof push-pull switch according to claim 3, characterized in that: A plurality of positioning posts are provided on one end surface of the upper cover facing the pressing plate, and corresponding positions of the sealing gasket and the pressing plate are provided with positioning holes for inserting the positioning posts.

6. The waterproof and dustproof push-pull switch according to claim 3, characterized in that: At least one circle of ribs is provided on one end surface of the upper cover facing the pressure plate, and the fixing portion of the sealing gasket abuts against the ribs.

7. The waterproof and dustproof push-pull switch according to claim 3, characterized in that: An extension portion is provided at the contact point between the push button connecting portion and the push button. The shape of the extension portion matches the shape of the position where the push button is located, and the extension portion and the push button are tightly matched.

8. The waterproof and dustproof push-pull switch according to claim 7, characterized in that: The push button is provided with a step structure, and the corresponding extension portion is provided with a matching step structure.

9. The waterproof and dustproof push-pull switch according to claim 3, characterized in that: The raised portion and the push button connecting portion both bulge upward.

10. A waterproof and dustproof push-pull switch according to claim 1, 2, 3 or 9, characterized in that: The sealing gasket is made of rubber.

Images