Impact-resistant electrical switch

By using a magnet and a hydraulic oil buffer mechanism, the problem of loosening of electrical switches under vibration and impact is solved, achieving multi-level shock absorption, extending service life and reducing maintenance costs.

CN224417658UActive Publication Date: 2026-06-26ANHUI HUAYI ELECTRIC CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI HUAYI ELECTRIC CO LTD
Filing Date
2025-06-25
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Electrical switches are prone to loosening when exposed to mechanical vibration and impact, leading to malfunctions and reduced service life.

Method used

By employing a combination of magnets and hydraulic oil buffering mechanisms, and through magnetic suspension sliders and piston damping, a multi-stage damping system is formed to buffer the initial velocity and amplitude of vibration of the electrical switch.

Benefits of technology

It effectively reduces the loosening of internal components of electrical switches, extends their service life, and reduces equipment maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to electrical equipment technical field discloses a kind of impact-resistant electrical switch, including shell, the shell outer wall one side both ends are provided with fixed block, two fixed blocks are all set with fixed hole, the middle part of the side of shell away from fixed block is set with vertical hole, and slidingly connected with slider in vertical hole, the same slide bar is fixedly connected between vertical hole top and bottom, and slide bar slidingly penetrates slider, the round hole that is compatible with slide bar is set in slider, electrical switch body is fixedly connected in the slider at the one end of shell outer side, the third magnet is fixedly connected in the slider at the top of shell inner side.In the utility model, the vibration initial speed of electrical switch body can be quickly buffered, the piston is subjected to hydraulic oil resistance in moving process, further reduces vibration amplitude, greatly reduces the vibration energy transmitted to electrical switch body, prolongs the service life of electrical switch.
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Description

Technical Field

[0001] This utility model belongs to the field of electrical equipment technology, and relates to electrical switches, particularly an impact-resistant electrical switch. Background Technology

[0002] With the rapid development of modern industry and technology, electrical equipment is increasingly widely used in various fields, from large-scale mechanical equipment on industrial production lines to household electronic appliances in daily life. As a key component for controlling the opening and closing of circuits, electrical switches play an indispensable role. In many application scenarios, electrical switches need to face various complex and harsh working environments.

[0003] In the industrial manufacturing sector, such as mining, metallurgical processing, and heavy machinery manufacturing, the production process is accompanied by strong mechanical vibrations, equipment collisions, and material impacts. These impact forces can easily be transmitted to electrical switches. Prolonged vibration can cause the internal components of the electrical switch to loosen, leading to electrical switch failure and reduced service life. Therefore, an impact-resistant electrical switch has been designed. Utility Model Content

[0004] The purpose of this utility model is to address the aforementioned problems in existing technologies by proposing an impact-resistant electrical switch. The technical problem this utility model aims to solve is: how to improve the impact resistance of electrical switches and extend their service life.

[0005] The objective of this utility model can be achieved through the following technical solutions:

[0006] An impact-resistant electrical switch includes a housing. Two fixing blocks are provided at both ends of one side of the outer wall of the housing, and each fixing block has a fixing hole. A vertical hole is provided in the middle of the side of the housing away from the fixing blocks, and a slider is slidably connected in the vertical hole. A common sliding rod is fixedly connected between the top and bottom of the vertical hole, and the sliding rod slides through the slider. A circular hole adapted to the sliding rod is provided on the slider. An electrical switch body is fixedly connected to one end of the slider on the outer side of the housing. A third magnet is fixedly connected to the top of the slider on the inner side of the housing, and a fourth magnet is fixedly connected to the bottom of the slider. A groove is provided in the middle of the inner side of the slider, and vertical plates are fixedly connected to both sides of the groove. Each vertical plate has an oblique hole. A buffer mechanism is provided on the inner side of the housing near the slider.

[0007] The working principle of this utility model is as follows: the inclined hole drives the setting of the buffer mechanism, which reduces the shock of the electrical switch body. Through the cooperation of the third and fourth magnets with the second and first magnets respectively, the electrical switch body is suspended in the air, and the slider will not have a strong collision with the top and bottom of the vertical hole, thus achieving the buffering effect on the electrical switch body and extending the service life of the electrical switch body.

[0008] The buffer mechanism includes a sealing cylinder fixedly connected to the middle of the inner side of the housing. A filling tube is fixedly connected to the top of the sealing cylinder away from the slider. A sealing cap is screwed to the top of the filling tube. A piston is slidably connected inside the sealing cylinder, and multiple notches are provided at the edge of the piston. The buffer mechanism also includes a pull rod fixedly connected to the end of the piston near the slider. The other end of the pull rod is slidably connected to a drive rod through the sealing cylinder. A circular hole adapted to the pull rod is provided on the sealing cylinder, and a sealing ring is provided at the circular hole. The two ends of the drive rod are slidably connected to adjacent oblique holes.

[0009] With the above structure and the buffer mechanism, when the electrical switch body vibrates up and down, it drives the piston to move. However, when the piston moves, it will be resisted by the hydraulic oil, which reduces the speed of movement and thus reduces the vibration of the electrical switch body.

[0010] An installation block is fixedly connected to the inner side of the housing at the bottom of the vertical hole, and a second magnet is fixedly embedded on the top of the installation block. The second magnet and the fourth magnet have the same magnetism on the side that are close to each other.

[0011] With the above structure, the second and fourth magnets are used to keep the slider and the electrical switch body in a suspended state, and at the same time, when the electrical switch body vibrates, it will not have a hard collision with the bottom of the vertical hole.

[0012] The top of the housing is threaded with a threaded rod, and the top of the housing is fixedly fitted with a screw nut that matches the threaded rod. A knob is fixedly connected to the top of the threaded rod, and a first magnet is fixedly connected to the bottom of the threaded rod. The first magnet and the third magnet have the same magnetism on the side that is close to each other.

[0013] An inspection port is provided at the top of the housing, near the filling pipe.

[0014] By adopting the above structure and setting the first and third magnets, the electrical switch body and the slider will not hit the top of the vertical hole when vibrating. At the same time, the height of the first magnet is adjustable, which makes it easy to adjust the magnetic force on the slider and improves practicality.

[0015] Compared with the prior art, the electrical switch of this utility model has the following advantages:

[0016] In this invention, by employing a fourth magnet, a third magnet, a second magnet, a first magnet, a piston, a pull rod, and a drive rod, when the electrical switch body vibrates due to equipment vibration, it will sway up and down in the middle of the vertical hole along with the slider. Through the action of magnetic force, the initial velocity of the electrical switch body is buffered. The piston movement is resisted by hydraulic oil, further damping the electrical switch body. This makes the internal components of the electrical switch body less prone to loosening, effectively solving the problem of easy failure of the electrical switch body mentioned in the background art. It can quickly buffer the initial velocity of the vibration of the electrical switch body, weaken the initial impact force of the vibration. The piston is resisted by hydraulic oil during its movement, providing a continuous and stable damping effect, further reducing the vibration amplitude. This forms a multi-stage damping system, which greatly reduces the vibration energy transmitted to the electrical switch body, extends the service life of the electrical switch, and reduces equipment maintenance costs. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of an impact-resistant electrical switch according to this utility model;

[0018] Figure 2 This is a cross-sectional view of an impact-resistant electrical switch housing according to this utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the slider of an impact-resistant electrical switch according to this utility model;

[0020] Figure 4 This is a cross-sectional view of a sealing cylinder for an impact-resistant electrical switch according to this utility model.

[0021] In the diagram, 1 is the housing; 101 is the inspection port; 2 is the fixing block; 3 is the vertical hole; 4 is the sliding rod; 5 is the slider; 501 is the third magnet; 502 is the fourth magnet; 503 is the electrical switch body; 6 is the mounting block; 601 is the second magnet; 7 is the threaded rod; 701 is the first magnet; 8 is the vertical plate; 801 is the oblique hole; 9 is the sealing cylinder; 901 is the filling pipe; 902 is the piston; 903 is the notch; 904 is the pull rod; and 905 is the drive rod. Detailed Implementation

[0022] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0023] like Figures 1-4As shown, an impact-resistant electrical switch includes a housing 1. Fixing blocks 2 are provided at both ends of one side of the outer wall of the housing 1. Fixing holes are provided on both fixing blocks 2. A vertical hole 3 is provided in the middle of the side of the housing 1 away from the fixing blocks 2, and a slider 5 is slidably connected in the vertical hole 3. A sliding rod 4 is fixedly connected between the top and bottom of the vertical hole 3, and the sliding rod 4 slides through the slider 5. A circular hole adapted to the sliding rod 4 is provided on the slider 5. An electrical switch body 503 is fixedly connected to one end of the slider 5 on the outer side of the housing 1. A third magnet 501 is fixedly connected to the top of the slider 5 on the inner side of the housing 1. A fourth magnet 502 is fixedly connected to the bottom of the slider 5. A groove is provided in the middle of the inner side of the slider 5, and vertical plates 8 are fixedly connected to both sides of the groove. Each vertical plate 8 has an oblique hole 801. A buffer mechanism is provided on the inner side of the housing 1 near the slider 5.

[0024] In this utility model, the buffer mechanism includes a sealing cylinder 9 fixedly connected to the middle of the inner side of the housing 1. A filling tube 901 is fixedly connected to the top of the sealing cylinder 9 away from the slider 5. A sealing cap is screwed to the top of the filling tube 901. A piston 902 is slidably connected inside the sealing cylinder 9, and multiple notches 903 are provided at the edge of the piston 902.

[0025] In this utility model, the buffer mechanism also includes a pull rod 904 fixedly connected to one end of the piston 902 near the slider 5, and the other end of the pull rod 904 slides through the sealing cylinder 9 and is fixedly connected to a drive rod 905. The sealing cylinder 9 has a round hole adapted to the pull rod 904, and a sealing ring is provided at the round hole. The two ends of the drive rod 905 are respectively slidably connected in the adjacent inclined holes 801.

[0026] In this utility model, an installation block 6 is fixedly connected to the inner side of the housing 1 at the bottom of the vertical hole 3, and a second magnet 601 is fixedly embedded on the top of the installation block 6, and the second magnet 601 and the fourth magnet 502 have the same magnetism on the side that are close to each other.

[0027] In this utility model, a threaded rod 7 is threadedly fitted on the top of the housing 1, and a screw nut adapted to the threaded rod 7 is fixedly fitted on the top of the housing 1. A knob is fixedly connected to the top of the threaded rod 7, and a first magnet 701 is fixedly connected to the bottom of the threaded rod 7. The first magnet 701 and the third magnet 501 have the same magnetism on the side that are close to each other.

[0028] In this utility model, an inspection port 101 is provided at the top of the housing 1 at the filling pipe 901.

[0029] The working principle of this utility model is as follows: During use, sufficient hydraulic oil is added to the sealed cylinder 9 through the inspection port 101 and the filling pipe 901. The device is fixedly installed using the fixing block 2. During use, under the action of the fourth magnet 502 and the second magnet 601, the bottom of the slider 5, carrying the electrical switch body 503, is suspended in the air due to magnetic force. Simultaneously, the first magnet 701 exerts a downward force on the fourth magnet 502, preventing the slider 5 from being pushed to the top of the vertical hole 3. This allows the slider 5, carrying the electrical switch body 503, to slide in the middle of the vertical hole 3, without contacting the top or bottom of the hole, thus keeping the electrical switch body 503 suspended. When the electrical switch body 503 vibrates due to mechanical operation, it moves up and down. Simultaneously, by rotating the threaded rod 7, the position of the first magnet 701 is adjusted. The magnetic force intensity is adjusted by the placement of the second magnet 601 and the first magnet 701, which provides a certain buffering effect, thereby protecting the internal components of the electrical switch body 503. Simultaneously, as the electrical switch body 503 moves up and down, the inclined hole 801 and drive rod 905 cause the pull rod 904 to move the piston 902 back and forth inside the sealing cylinder 9. Since the sealing cylinder 9 is filled with hydraulic oil, when the piston 902 moves left and right, the hydraulic oil on both sides of the piston 902 can only move back and forth through the small notch 903, ensuring pressure balance inside the sealing cylinder 9. As the piston 902 moves back and forth, it is resisted by the hydraulic oil, thus reducing the vibration speed of the electrical switch body 503, providing a buffering and vibration damping effect, effectively protecting the safety of the electrical switch body 503 and extending its service life.

[0030] In summary, in this invention, by adjusting the position of the first magnet 701 and utilizing the action of the second magnet 601, the electrical switch body 503 is placed in a suspended state. When the electrical switch body 503 vibrates due to the operation of the equipment, it vibrates up and down along the vertical hole 3. The magnetic resistance provides a certain buffer, and the hydraulic oil resistance to the piston 902 reduces the speed at which the electrical switch body 503 rebounds due to vibration. This improves the electrical switch body 503's resistance to impacts during equipment operation and extends its service life.

[0031] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. An impact-resistant electrical switch, comprising a housing (1), characterized in that, The outer wall of the housing (1) is provided with fixing blocks (2) at both ends on one side. Fixing holes are provided on both fixing blocks (2). A vertical hole (3) is provided in the middle of the side of the housing (1) away from the fixing blocks (2). A slider (5) is slidably connected in the vertical hole (3). The same sliding rod (4) is fixedly connected between the top and bottom of the vertical hole (3). The sliding rod (4) slides through the slider (5). A round hole adapted to the sliding rod (4) is provided on the slider (5). The slider (5) is located in the housing (1). An electrical switch body (503) is fixedly connected to one end of the outer side. A third magnet (501) is fixedly connected to the top of the inner side of the slider (1). A fourth magnet (502) is fixedly connected to the bottom of the slider (5). A groove is provided in the middle of the inner side of the slider (5), and vertical plates (8) are fixedly connected to both sides of the groove. An oblique hole (801) is provided on each vertical plate (8). A buffer mechanism is provided on the inner side of the housing (1) near the slider (5).

2. The impact-resistant electrical switch according to claim 1, characterized in that, The buffer mechanism includes a sealing cylinder (9) fixedly connected to the middle of the inner side of the housing (1). A filling tube (901) is fixedly connected to the top of the sealing cylinder (9) away from the slider (5). A sealing cap is screwed to the top of the filling tube (901). A piston (902) is slidably connected inside the sealing cylinder (9), and multiple notches (903) are opened at the edge of the piston (902).

3. The impact-resistant electrical switch according to claim 2, characterized in that, The buffer mechanism also includes a pull rod (904) fixedly connected to one end of the piston (902) near the slider (5), and the other end of the pull rod (904) slides through the sealing cylinder (9) and is fixedly connected to a drive rod (905). The sealing cylinder (9) has a round hole that matches the pull rod (904), and a sealing ring is provided at the round hole. The two ends of the drive rod (905) are respectively slidably connected in the adjacent inclined holes (801).

4. The impact-resistant electrical switch according to claim 1, characterized in that, An installation block (6) is fixedly connected to the inner side of the housing (1) at the bottom of the vertical hole (3), and a second magnet (601) is fixedly embedded on the top of the installation block (6), and the second magnet (601) and the fourth magnet (502) have the same magnetism on the side that are close to each other.

5. The impact-resistant electrical switch according to claim 1, characterized in that, The top of the housing (1) is threaded with a threaded rod (7), and the top of the housing (1) is fixedly fitted with a screw nut that is compatible with the threaded rod (7). The top of the threaded rod (7) is fixedly connected with a knob, and the bottom of the threaded rod (7) is fixedly connected with a first magnet (701). The first magnet (701) and the third magnet (501) have the same magnetism on the side that are close to each other.

6. The impact-resistant electrical switch according to claim 1, characterized in that, The top of the housing (1) is provided with an inspection port (101) at the filling pipe (901).