Plastic switch with sealing structure

Abstract

The utility model relates to the technical field of plastic switches, in particular to a plastic switch with a sealing structure, which comprises a switch base, a connecting mechanism is fixedly sleeved on the outer wall of the switch base and penetrates into the switch base, the connecting mechanism comprises a switch shell, the switch shell is sleeved on the periphery of the outer wall of the switch base, and the switch base is sleeved on the switch shell. A sealing mechanism is fixedly connected to the top end of the switch base and located at the bottom end of the connecting mechanism, the sealing mechanism comprises a butt joint column, the butt joint column is fixedly connected to the top end of the switch base, and telescopic plates are slidably connected to the periphery of the top end of the butt joint column and penetrate through the butt joint column to the interior of the switch base. According to the utility model, internal parts of the connecting mechanism are matched with internal parts of the sealing mechanism, so that internal metal parts can be sealed and protected when the switch base is used or not used, and the service life of the plastic switch is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic switches, and particularly relates to a plastic switch with a sealing structure. Background Art

[0002] A control switch is a special switch used in the process control of electrical control and thermal instruments. Specifically, it has functions such as positioning operation, self - reset operation, positioning - self - reset operation, locking operation, positioning - locking operation, self - reset - positioning - locking operation, etc. The types of control switches include: thumbwheel switch, cam switch, DIP switch, toggle switch, tactile switch, rocker switch, selector switch, selector switch head, master switch, universal switch, switch socket, etc.

[0003] Generally, on the existing market, a dust - proof shell is sleeved and clamped on the base of a plastic switch to protect the conductor between the base and the switch button from dust and other floating objects, reducing problems such as short - circuit caused by the entry of dust into the plastic switch, which may lead to a fire. However, only protecting the plastic switch through the dust - proof shell cannot isolate the entry of moisture. It is easy to occur that due to an accident or excessive moisture in the air, when the plastic switch is not in use, there is moisture inside it, which erodes the conductor between the base and the switch button, thus affecting the service life of the plastic switch.

[0004] Therefore, it is very necessary for us to propose a plastic switch with a sealing structure to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a plastic switch with a sealing structure. Through the mutual cooperation between the internal parts of the connection mechanism and the internal parts of the sealing mechanism, the internal metal parts of the switch base can be hermetically protected during use and non - use, improving the service life of the plastic switch, so as to solve the problem in the prior art that due to an accident or excessive moisture in the air, when the plastic switch is not in use, there is moisture inside it, which erodes the conductor between the base and the switch button, thus affecting the service life of the plastic switch.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A plastic switch with a sealing structure, including a switch base, an outer wall of the switch base is sleeved and fixed with a connection mechanism, and penetrates into the interior of the switch base, a top end of the switch base is connected and fixed with a sealing mechanism, and is located at the bottom end of the connection mechanism and penetrates into the interior of the switch base;

[0007] The connecting mechanism includes a switch housing which is sleeved around the outer wall of the switch base. A support column is fixedly connected to the top end of the switch housing. A sliding column is slidably connected to the top end of the support column and penetrates through the support column into the interior of the switch housing. A switch knob is fixedly connected to the top end of the sliding column. A connecting rod is fixedly connected to the bottom end of the sliding column. Two limiting sliders are fixedly connected to both sides of the outer wall of the sliding column and are slidably connected to the interior of the support column. Elastic clamping blocks are fixedly connected to the four surrounding sides of the inner wall of the switch housing and penetrate into the interior of the switch base;

[0008] The sealing mechanism includes a docking column which is fixedly connected to the top end of the switch base. A telescopic plate is slidably connected to the four surrounding sides of the top end of the docking column and penetrates through the docking column into the interior of the switch base. A sealing plate is slidably connected to the four surrounding sides of the interior of the switch base and is located below the telescopic plate. A compression spring is fixedly connected to the bottom end of the sealing plate and is located in the interior of the switch base. A docking conductor is fixedly connected to the exact center of the interior of the switch base and is located directly below the connecting rod and at the bottom ends of multiple sealing plates.

[0009] Preferably, fixing grooves matching the elastic clamping blocks are formed in the four surrounding sides of the outer wall of the switch base. A connecting groove matching the sliding column is formed in the interior of the support column. A sliding groove and a limiting arc groove matching the limiting sliders are formed in the interior of the support column.

[0010] Preferably, a docking groove matching the connecting rod is formed in the interior of the docking column. A matching conductor is installed between the bottom end of the connecting rod and the top end of the docking conductor. A sealing gasket is sleeved at the connection between the docking column and the support column.

[0011] Preferably, a sealing groove matching the sealing plate is formed in the interior of the switch base. A telescopic groove matching the telescopic plate is formed in the interior of the docking column. A storage groove matching the telescopic plate and the sealing plate is formed at the bottom end of the sealing plate. The sealing plate is made of a spliced material of hard and soft rubber, and the material at the bottom end of the telescopic plate is soft rubber.

[0012] In the above technical solution, the technical effects and advantages provided by the present utility model are:

[0013] 1. By adjusting the switch housing and the switch base relative to each other, the switch housing is snap-fitted to the switch base through elastic clamping blocks, completing the connection and fixation between the switch housing and the switch base. Then, press the switch knob, causing the switch knob to drive the sliding column to move. The sliding column slides inside the support column through the limit slider, causing the sliding column to drive the connecting rod at the bottom to contact the docking conductor inside the switch base, completing the docking operation between the conductors. At the same time, rotate the switch knob, causing the switch knob to drive the sliding column to rotate. The sliding column rotates and turns through the limit slider into the limit chute, completing the position fixation of the sliding column, thus completing the operation of using the plastic switch and the dust-proof operation of the switch base.

[0014] 2. As the sliding column slides inside the support column, the sliding column squeezes the telescopic plate, causing the telescopic plate to squeeze the compression spring at the bottom of the sealing plate to contract and move. The telescopic plate squeezes the sealing plate to move, causing the soft rubber part of the sealing plate to be deformed by extrusion and move into the storage groove, and driving the sealing plate of the hard rubber part above the docking conductor to slide inside the switch base. The movement of the sealing plate releases the sealing operation on the docking conductor, thus facilitating the docking between the connecting rod and the docking conductor. At the same time, when the plastic switch is not in use, the compression spring resets and pushes the telescopic plate and the sealing plate to move back to their original positions, causing the sealing plate to reset and seal the top of the docking conductor to protect it, reducing the erosion of moisture on the surface of the docking conductor, and thus improving the service life of the plastic switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings.

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

[0017] Figure 2 It is an exploded sectional view of the switch base and the switch housing of the present utility model;

[0018] Figure 3 It is a sectional view of the switch housing of the present utility model;

[0019] Figure 4 For the present utility model Figure 2 The enlarged structure diagram at position A.

[0020] Explanation of the reference numerals in the drawings:

[0021] 1. Switch base; 2. Connection mechanism; 201. Switch housing; 202. Support column; 203. Sliding column; 204. Switch knob; 205. Connecting guide rod; 206. Limiting slider; 207. Elastic clamping block; 3. Sealing mechanism; 301. Docking column; 302. Telescopic plate; 303. Sealing plate; 304. Compression spring; 305. Docking conductor. Detailed implementation mode

[0022] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the present utility model will be further introduced in detail below in conjunction with the accompanying drawings.

[0023] The present utility model provides a plastic switch with a sealing structure as Figures 1-4 shown, which includes a switch base 1. A connection mechanism 2 is sleeved and fixed on the outer wall of the switch base 1 and penetrates into the inside of the switch base 1. The top end of the switch base 1 is connected and fixed with a sealing mechanism 3, which is located at the bottom end of the connection mechanism 2 and penetrates into the inside of the switch base 1. Through the mutual cooperation between the internal parts of the connection mechanism 2 and the internal parts of the sealing mechanism 3, the internal metal parts of the switch base 1 can be hermetically protected when the switch base 1 is in use and not in use, thereby improving the service life of the plastic switch;

[0024] The connection mechanism 2 includes a switch housing 201. The switch housing 201 is sleeved around the outer wall of the switch base 1. The top end of the switch housing 201 is connected and fixed with a support column 202. The top end of the support column 202 is slidably connected with a sliding column 203, which penetrates through the support column 202 into the inside of the switch housing 201. The top end of the sliding column 203 is connected and fixed with a switch knob 204. The bottom end of the sliding column 203 is connected and fixed with a connecting guide rod 205. The two sides of the outer wall of the sliding column 203 are connected and fixed with limiting sliders 206, which are slidably connected inside the support column 202. Elastic clamping blocks 207 are connected and fixed around the inner wall of the switch housing 201 and penetrate into the inside of the switch base 1. Through the mutual cooperation between the internal parts of the connection mechanism 2, it is convenient to connect and fix the switch housing 201 and the switch base 1, and it is also convenient to perform dust-proof operation on the surface of the switch base 1;

[0025] The sealing mechanism 3 includes a docking post 301. The docking post 301 is fixedly connected to the top end of the switch base 1. A telescopic plate 302 is slidably connected around the top end of the docking post 301 and penetrates through the docking post 301 into the interior of the switch base 1. A sealing plate 303 is slidably connected around the interior of the switch base 1 and is located below the telescopic plate 302. A compression spring 304 is fixedly connected to the bottom end of the sealing plate 303 and is located inside the switch base 1. A docking conductor 305 is fixedly connected to the exact center inside the switch base 1, is located directly below the connecting rod 205, and is located at the bottom ends of multiple sealing plates 303. Through the mutual cooperation between the internal parts of the sealing mechanism 3, the internal metal parts of the switch base 1 can be hermetically protected when the switch base 1 is in use and not in use, improving the service life of the plastic switch.

[0026] Refer to the attached instructions Figures 1-4 Around the outer wall of the switch base 1, fixing grooves matching the elastic clamping blocks 207 are provided. Inside the support column 202, a connecting groove matching the sliding column 203 is provided. Inside the support column 202, a sliding groove and a limiting arc groove matching the limiting slider 206 are provided. Through the provision of the sliding groove and the limiting arc groove matching the limiting slider 206 inside the support column 202, it is convenient for the sliding column 203 to move inside the support column 202 through the limiting slider 206.

[0027] Refer to the attached instructions Figures 1-4 Inside the docking post 301, a docking groove matching the connecting rod 205 is provided. At the bottom end of the connecting rod 205 and the top end of the docking conductor 305, matching conductors are installed. A sealing gasket is sleeved at the connection between the docking post 301 and the support column 202. Through the provision of the sealing gasket sleeved at the connection between the docking post 301 and the support column 202, it is convenient to perform a sealing operation on the connection between the docking post 301 and the support column 202.

[0028] Refer to the attached instructions Figures 1-4 Inside the switch base 1, a sealing groove matching the sealing plate 303 is provided. Inside the docking post 301, a telescopic groove matching the telescopic plate 302 is provided. At the bottom end of the sealing plate 303, a storage groove matching the telescopic plate 302 and the sealing plate 303 is provided. The sealing plate 303 is made of a spliced material of soft and hard rubber, and the material at the bottom end of the telescopic plate 302 is soft rubber. Through the provision of the storage groove matching the telescopic plate 302 and the sealing plate 303 at the bottom end of the sealing plate 303, it is convenient for the telescopic plate 302 to squeeze the sealing plate 303 to deform into the storage groove, releasing the internal sealing protection of the switch base 1.

[0029] The working principle of this utility model:

[0030] Refer to the attached instructions Figures 1-4, by adjusting the switch housing 201 and the switch base 1 relative to each other, the switch housing 201 is snap-fitted to the switch base 1 through the elastic clamping blocks 207, completing the connection and fixation between the switch housing 201 and the switch base 1. Then, press the switch knob 204, causing the switch knob 204 to drive the sliding column 203 to move. The sliding column 203 slides inside the support column 202 through the limit slider 206, and the sliding column 203 drives the connection guide rod 205 at the bottom to contact the docking conductor 305 inside the switch base 1, completing the docking operation between the conductors. At the same time, rotate the switch knob 204, causing the switch knob 204 to drive the sliding column 203 to rotate. The sliding column 203 rotates and moves into the limit chute through the limit slider 206, completing the position fixation of the sliding column 203. Thus, the operation of the plastic switch can be completed, and the dust-proof operation of the switch base 1 can be achieved;

[0031] Refer to the attached instructions Figures 1-4 , by the sliding column 203 sliding inside the support column 202, the sliding column 203 squeezes the telescopic plate 302, causing the telescopic plate 302 to squeeze the compression spring 304 at the bottom of the sealing plate 303 to contract and move. The telescopic plate 302 squeezes the sealing plate 303 to move, causing the soft rubber part of the sealing plate 303 to be deformed by extrusion and move into the storage groove, and driving the sealing plate 303 of the hard rubber part above the docking conductor 305 to slide inside the switch base 1. The movement of the sealing plate 303 releases the sealing operation on the docking conductor 305, thus facilitating the docking of the connection guide rod 205 and the docking conductor 305. At the same time, when the plastic switch is not in use, the compression spring 304 resets and pushes the telescopic plate 302 and the sealing plate 303 to move back to their original positions, causing the sealing plate 303 to reset and seal the top of the docking conductor 305 to reduce the erosion of moisture on the surface of the docking conductor 305, thereby increasing the service life of the plastic switch.

[0032] Only some exemplary embodiments of the present invention are described by way of illustration above. Undoubtedly, for those of ordinary skill in the art, without departing from the spirit and scope of the present invention, the described embodiments can be modified in various different ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A plastic switch with a sealing structure, comprising a switch base (1), characterized in that: The outer wall of the switch base (1) is sleeved and fixed with a connection mechanism (2), which penetrates into the interior of the switch base (1). The top of the switch base (1) is connected and fixed with a sealing mechanism (3), which is located at the bottom of the connection mechanism (2) and penetrates into the interior of the switch base (1). The connection mechanism (2) includes a switch housing (201). The switch housing (201) is sleeved around the outer wall of the switch base (1). The top of the switch housing (201) is connected and fixed with a support column (202). The top of the support column (202) is slidably connected with a sliding column (203), which penetrates through the support column (202) into the interior of the switch housing (201). The top of the sliding column (203) is connected and fixed with a switch knob (204). The bottom of the sliding column (203) is connected and fixed with a connection guide rod (205). Both sides of the outer wall of the sliding column (203) are connected and fixed with limit sliders (206), which are slidably connected inside the support column (202). Elastic clamping blocks (207) are connected and fixed around the inner wall of the switch housing (201), and penetrate into the interior of the switch base (1). The sealing mechanism (3) includes a docking column (301). The docking column (301) is connected and fixed to the top of the switch base (1). The top of the docking column (301) is slidably connected with a telescopic plate (302) around its perimeter, which penetrates through the docking column (301) into the interior of the switch base (1). A sealing plate (303) is slidably connected around the interior of the switch base (1), and is located below the telescopic plate (302). The bottom of the sealing plate (303) is connected and fixed with a compression spring (304), which is located inside the switch base (1). A docking conductor (305) is connected and fixed at the center of the interior of the switch base (1), which is located directly below the connection guide rod (205) and at the bottom of multiple sealing plates (303).

2. The plastic switch with a sealing structure according to claim 1, wherein: Fixing grooves matching the elastic clamping blocks (207) are provided around the outer wall of the switch base (1). Connection grooves matching the sliding column (203) are provided inside the support column (202). A chute and a limit arc groove matching the limit slider (206) are provided inside the support column (202).

3. A plastic switch with a sealing structure according to claim 1, characterized in that: A docking groove matching the connection guide rod (205) is provided inside the docking column (301). Conductors matching each other are installed at the bottom of the connection guide rod (205) and the top of the docking conductor (305). A sealing gasket is sleeved at the connection between the docking column (301) and the support column (202).

4. A plastic switch with a sealing structure according to claim 1, characterized in that: Sealing grooves matching the sealing plates (303) are provided inside the switch base (1). Telescopic grooves matching the telescopic plates (302) are provided inside the docking column (301). A storage groove matching the telescopic plates (302) and the sealing plates (303) is provided at the bottom of the sealing plate (303). The sealing plate (303) is made of a material spliced by hard and soft rubber materials, and the material at the bottom of the telescopic plate (302) is soft rubber material.

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