Magnet switch

Abstract

The utility model relates to the technical field of magnet switches, in particular to a magnet switch, which comprises a shell, a cavity is arranged in the shell, one end of the cavity penetrates through the shell, a slider is slidably mounted in the cavity, a magnet core is mounted in the slider in a clamping manner, and one end of the slider is fixedly connected with a head for triggering the magnet switch. A spring is fixedly connected between the sliding block and the inner wall of the cavity, a clamping frame is fixedly connected to one end of the shell and covers the head, a protective cover is installed on the side wall of the head in a clamped mode, the head is located in the protective cover, and one end of the protective cover is clamped with the clamping frame in a sealed mode. The structures of the magnet switch are assembled in an inserting and clamping mode, the structures are convenient to disassemble and maintain, when the switch is damaged, the switch does not need to be integrally replaced, the damage cost of the switch is low, the head of the magnet switch is protected by the protective cover, the waterproof effect is achieved, and the switch is not prone to being damaged by water.

Description

Technical Field

[0001] This utility model relates to the field of magnetic switches, specifically a magnetic switch. Background Technology

[0002] The speed control structure of electric bicycles includes a magnetic switch. The application of magnetic switches in speed control mainly utilizes Hall effect switch technology, which outputs signals through changes in magnetic field and is widely used in the speed control handlebars of electric bicycles.

[0003] Existing magnetic switches, such as the simple magnetic push button switch proposed in patent application number "CN201020140266.3", include a housing with positioning holes. The key structural feature is that two semi-circular metal pieces are arranged in the lower part of the housing, and a magnet is arranged in the upper part of the housing. An iron piece is arranged between the semi-circular metal pieces and the magnet, and the iron piece is connected to the button through a connecting rod.

[0004] However, existing technologies have drawbacks. The internal structure of the switch cannot be disassembled. When the internal structure of the switch is damaged, it cannot be repaired and can only be replaced as a whole, resulting in high costs due to switch damage. In addition, the button part of the existing switch is not waterproof, making the switch easy to damage. Therefore, a magnetic switch is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a magnetic switch to solve the problems mentioned in the background art.

[0006] The objective of this utility model can be achieved through the following technical solutions:

[0007] A magnetic switch includes a housing, an interior cavity, one end of which extends through the housing, a slider is slidably mounted inside the cavity, a magnetic core is snapped into the slider, and a head for triggering the magnetic switch is fixedly connected to one end of the slider.

[0008] A spring is fixed between the slider and the inner wall of the cavity. A retaining frame is fixed to one end of the outer shell. The retaining frame covers the outside of the head. A protective cover is snapped onto the side wall of the head. The head is located inside the protective cover. One end of the protective cover is sealed and snapped onto the retaining frame.

[0009] Preferably, the head sidewall has a concave ring, one end of the protective cover is fixedly connected to a retaining ring, the retaining ring is engaged in the concave ring, the other end of the protective cover is fixedly connected to a retaining plate, the retaining frame has a retaining groove, and the retaining plate is inserted into the retaining groove for installation.

[0010] Preferably, a sealing plate is fitted on the outside of the protective cover, one end of the sealing plate is pressed and fitted with a clamping plate, and a clamping block is fixed to the side wall of the sealing plate. Multiple sets of clamping blocks are provided, and multiple sets of clamping slots are opened on the side wall of the clamping frame. The multiple sets of clamping blocks are respectively engaged and installed with the multiple sets of clamping slots.

[0011] Preferably, the slider has a circular hole at the end away from the head, one end of the spring is fixed in the circular hole, and the other end is fixed to the inner wall of the cavity. The spring is used to push the slider to reset.

[0012] Preferably, the slider has an internal mounting groove, and a fixing block is fixedly connected to the side wall of the mounting groove. Multiple sets of fixing blocks are provided, and the shape of the fixing blocks is set as a right trapezoid. All sets of fixing blocks are pressed and cooperated with the side wall of the magnet core.

[0013] Preferably, a mounting plate is fixedly connected to the outer wall of the outer shell, the mounting plate is used for insertion with an external structure, and a mounting frame is fixedly connected to the outer wall of the outer shell, the mounting frame is located on one side of the mounting plate, and the mounting frame is used for snap-fit ​​with the external structure.

[0014] The beneficial effects of this utility model are:

[0015] This invention utilizes a mechanism where the head is triggered, causing the magnetic core inside the slider to slide within the cavity, compressing the spring. When the spring is compressed, the head is no longer triggered, and the spring compresses the slider, causing the head to reset. The various structures are assembled using plug-in and snap-fit ​​methods, facilitating disassembly and maintenance. When the switch is damaged, there is no need to replace the entire switch, resulting in low cost. The head of the magnetic switch is protected by a protective cover, achieving a waterproof effect and preventing damage from water ingress. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the overall structure of the magnetic switch of this utility model;

[0018] Figure 2 This is a schematic diagram of the exploded structure of this utility model;

[0019] Figure 3 This is a cross-sectional structural schematic diagram of the present invention;

[0020] Figure 4 This is a schematic diagram of the slider structure of this utility model;

[0021] The attached figures are labeled as follows:

[0022] 1. Outer shell; 2. Mounting plate; 3. Mounting frame; 4. Clip frame; 5. Bayonet; 6. Cavity; 7. Slider; 8. Mounting groove; 9. Fixing block; 10. Head; 11. Concave ring; 12. Protective cover; 13. Clip ring; 14. Clip plate; 15. Sealing plate; 16. Clip block; 17. Round hole; 18. Spring; 19. Magnetic core. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] A magnetic switch, such as Figures 1-4 As shown, it includes a housing 1, and a cavity 6 is provided inside the housing 1. One end of the cavity 6 passes through the housing 1. A slider 7 is slidably installed inside the cavity 6. A magnetic core 19 is snapped into the slider 7. A head 10 for triggering a magnetic switch is fixed to one end of the slider 7.

[0025] A spring 18 is fixed between the slider 7 and the inner wall of the cavity 6. A frame 4 is fixed to one end of the outer shell 1. The frame 4 covers the outside of the head 10. A protective cover 12 is snapped onto the side wall of the head 10. The head 10 is located inside the protective cover 12. One end of the protective cover 12 is sealed and snapped onto the frame 4.

[0026] When the head 10 is triggered by a magnetic material, the magnetic core 19 inside the slider 7 slides within the cavity 6, causing the slider 7 to transmit a signal that compresses the spring 18. The spring 18 is compressed, and the head 10 is no longer triggered. The spring 18 then compresses the slider 7, causing the head 10 to reset. The slider 7 is inserted into the cavity 6, the protective cover 12 is inserted into the frame 4, and the head 10 is snapped into the protective cover 12. The various structures are assembled using insertion and snap-fit ​​methods, which facilitates disassembly and maintenance. When the switch is damaged, there is no need to replace the entire switch, resulting in low cost. The protective cover 12 seals the head 10 and the frame 4. The protective cover 12 is made of elastic material, allowing deformation without extension, and does not hinder the extension and retraction of the head 10. All magnetic switches are waterproof, preventing damage from water ingress.

[0027] like Figures 1-4 As shown, a concave ring 11 is provided on the side wall of the head 10, a retaining ring 13 is fixedly connected to one end of the protective cover 12, the retaining ring 13 is engaged in the concave ring 11, a retaining plate 14 is fixedly connected to the other end of the protective cover 12, a retaining groove is provided inside the retaining frame 4, and the retaining plate 14 is inserted into the retaining groove for installation.

[0028] One end of the protective cover 12 is connected to the concave ring 11 of the head 10 via a retaining ring 13, and the two are sealed. The other end of the protective cover 12 is inserted into the frame 4 via a retaining plate 14, so that the protective cover 12 covers the outside of the head 10, making the head 10 waterproof and preventing water from entering between the head 10 and the frame 4.

[0029] like Figures 1-3As shown, a sealing plate 15 is fitted on the outside of the protective cover 12. One end of the sealing plate 15 is pressed and fitted with the clamping plate 14. A clamping block 16 is fixed to the side wall of the sealing plate 15. Multiple sets of clamping blocks 16 are provided. Multiple sets of clamping slots 5 are opened on the side wall of the clamping frame 4. Multiple sets of clamping blocks 16 are respectively clamped and installed with multiple sets of clamping slots 5.

[0030] After the protective cover 12 is installed, the sealing plate 15 is installed. The sealing plate 15 is engaged with the frame 4 and the clamping plate 14 is squeezed so that the clamping plate 14 is tightly installed in the frame 4. The clamping block 16 in the clamping slot 5 can be squeezed to remove the sealing plate 15 from the frame 4.

[0031] like Figures 3-4 As shown, the slider 7 has a circular hole 17 at one end away from the head 10. One end of the spring 18 is fixed in the circular hole 17, and the other end is fixed to the inner wall of the cavity 6. The spring 18 is used to push the slider 7 to reset.

[0032] One end of the spring 18 is positioned through the round hole 17, and the spring 18 pushes the slider 7 to reset.

[0033] like Figures 2-4 As shown, the slider 7 has an installation groove 8 inside, and a fixing block 9 is fixedly connected to the side wall of the installation groove 8. There are multiple sets of fixing blocks 9, and the shape of the fixing blocks 9 is set as a right trapezoid. All sets of fixing blocks 9 are pressed and cooperated with the side wall of the magnet core 19.

[0034] The magnet core 19 is installed in the mounting groove 8, and multiple sets of fixing blocks 9 work together to press and fit the magnet core 19, so that the magnet is centered and the magnet core 19 is fixed.

[0035] like Figure 1 As shown, an installation plate 2 is fixedly connected to the outer wall of the outer shell 1. The installation plate 2 is used to insert with the external structure. An installation frame 3 is fixedly connected to the outer wall of the outer shell 1. The installation frame 3 is located on one side of the installation plate 2 and is used to snap with the external structure.

[0036] Mounting plate 2 and mounting frame 3 facilitate the installation of this magnetic switch on the speed control structure of the electric vehicle.

[0037] The working principle of the magnetic switch provided by this utility model is as follows:

[0038] The head 10 is connected to the protective cover 12 and the card frame 4 by plugging in and snapping in. The various structures are assembled by plugging in and snapping in, which makes it easy to disassemble and repair. When the switch is damaged, there is no need to replace the whole thing, so the cost of switch damage is low. The protective cover 12 is used to seal between the head 10 and the card frame 4. The protective cover 12 is made of elastic material, which can deform and will not extend, and will not hinder the extension and retraction of the head 10. All magnetic switches are waterproof and are not easily damaged by water.

[0039] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A magnetic switch, comprising a housing (1), characterized in that, The outer shell (1) has a cavity (6) inside, one end of the cavity (6) penetrates the outer shell (1), a slider (7) is slidably installed in the cavity (6), a magnet core (19) is snapped into the slider (7), and a head (10) for triggering the magnet switch is fixedly connected to one end of the slider (7). A spring (18) is fixed between the slider (7) and the inner wall of the cavity (6). A frame (4) is fixed to one end of the outer shell (1). The frame (4) covers the outside of the head (10). A protective cover (12) is installed on the side wall of the head (10). The head (10) is located inside the protective cover (12). One end of the protective cover (12) is sealed and snapped into the frame (4).

2. A magnetic switch according to claim 1, characterized in that, The head (10) has a concave ring (11) on its side wall. One end of the protective cover (12) is fixedly connected to a retaining ring (13), which is engaged in the concave ring (11). The other end of the protective cover (12) is fixedly connected to a retaining plate (14). The retaining frame (4) has a retaining groove inside, and the retaining plate (14) is inserted into the retaining groove.

3. A magnetic switch according to claim 2, characterized in that, The protective cover (12) is fitted with a sealing plate (15) on the outside. One end of the sealing plate (15) is pressed and fitted with the clamping plate (14). The side wall of the sealing plate (15) is fixed with a clamping block (16). There are multiple sets of clamping blocks (16). The side wall of the clamping frame (4) is opened with multiple sets of clamping slots (5). The multiple sets of clamping blocks (16) are respectively clamped and installed with the multiple sets of clamping slots (5).

4. A magnetic switch according to claim 1, characterized in that, The slider (7) has a circular hole (17) at one end away from the head (10). One end of the spring (18) is fixed in the circular hole (17), and the other end is fixed to the inner wall of the cavity (6). The spring (18) is used to push the slider (7) to reset.

5. A magnetic switch according to claim 1, characterized in that, The slider (7) has an installation groove (8) inside, and a fixing block (9) is fixedly connected to the side wall of the installation groove (8). There are multiple sets of fixing blocks (9), and the shape of the fixing blocks (9) is set as a right trapezoid. All sets of fixing blocks (9) are pressed and cooperated with the side wall of the magnet core (19).

6. A magnetic switch according to claim 1, characterized in that, The outer wall of the outer shell (1) is fixedly connected to a mounting plate (2), which is used to be inserted into an external structure. The outer wall of the outer shell (1) is fixedly connected to a mounting frame (3), which is located on one side of the mounting plate (2) and is used to be snapped into an external structure.

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