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CN-224204035-U - Waterproof dustproof magnetic switch

CN224204035UCN 224204035 UCN224204035 UCN 224204035UCN-224204035-U

Abstract

The utility model discloses a waterproof and dustproof magnetic switch, and relates to the technical field of magnetic switches. The utility model comprises a shell, wherein a top cover is arranged at the top of the shell, a connecting wire is arranged at one side of the shell, and a protection assembly is arranged at one side of the shell and positioned at the outer side of the connecting wire. According to the utility model, a basic sealing layer is formed through threaded connection of the threaded cylinder and the sealing cylinder, the physical barrier of the protective cylinder is combined, the inner core sealing environment of the magnetic switch is constructed, the joint design of the sealing clamping frame and the sealing plate is remarkably improved, the connection tightness of the top cover and the shell is remarkably improved, the risk of gap permeation is reduced, the flaring end of the necking sleeve is fixed on the inner wall of the sealing cylinder, the necking end wraps the structure of the connecting wire, the gap between the connecting wire and the sealing cylinder is pertinently blocked, dust and water stains are effectively prevented from invading the path along the connecting wire, the multiple sealing structures are buckled, and the possibility of dust and water stain permeation is reduced to the greatest extent.

Inventors

  • CHEN WENBO
  • LIN WENLEI
  • DAI FANGYONG

Assignees

  • 双鑫气动有限公司

Dates

Publication Date
20260505
Application Date
20250424

Claims (8)

  1. 1. The waterproof and dustproof magnetic switch comprises a shell (1) and is characterized in that a top cover (2) is arranged at the top of the shell (1), a connecting wire (3) is arranged on one side of the shell (1), a protection component (4) is arranged on one side of the shell (1) and positioned on the outer side of the connecting wire (3), a fastening component (5) is arranged on the other side of the shell (1), and a circuit board (6) is arranged at the bottom of an inner cavity of the shell (1); The protection assembly (4) comprises a protection cylinder (401), one side of the protection cylinder (401) is fixedly connected with the surface of the shell (1), one side of the protection cylinder (401) is fixedly connected with a threaded cylinder (402), the surface of the threaded cylinder (402) is in threaded connection with a sealing cylinder (403), and one side of the surface of the sealing cylinder (403) is fixedly connected with a sealing ring (404); Fastening assembly (5) are including last fastening plate (501), go up one side of fastening plate (501) and the fixed surface of top cap (2) and be connected, one side fixedly connected with of casing (1) is fastening plate (502) down, go up the surface through-connection of fastening plate (501) and be connected with fastening screw (503), the top fixedly connected with semicircle card strip (504) of lower fastening plate (502), semicircle groove (505) have been seted up to the bottom of going up fastening plate (501).
  2. 2. The waterproof and dustproof magnetic switch of claim 1, wherein a groove (7) is formed in one side of the top of the shell (1), a sealing plate (8) is fixedly connected to the bottom of an inner cavity of the groove (7), a sealing clamping frame (9) is fixedly connected to one side of the bottom of the top cover (2), and the inner wall of the sealing clamping frame (9) is in contact with the surface of the sealing plate (8).
  3. 3. The waterproof and dustproof magnetic switch of claim 1, wherein the inner cavity of the top cover (2) is fixedly connected with a sealing frame (10), and the bottom of the sealing frame (10) is in contact with the inner wall of the shell (1).
  4. 4. The waterproof and dustproof magnetic switch of claim 1, wherein the protection cylinder (401) is provided with an annular groove on one side far away from the shell (1), an annular plate is fixedly connected to one side of the sealing ring (404), and the surface of the annular plate is movably connected with the inner cavity of the annular groove.
  5. 5. The waterproof and dustproof magnetic switch of claim 1, wherein the inner wall of the sealing cylinder (403) is fixedly connected with a necking sleeve, and the inner wall of the necking sleeve is tightly attached to the surface of the connecting wire (3).
  6. 6. The waterproof and dustproof magnetic switch of claim 1, wherein the inner wall of the protective cylinder (401) is fixedly connected with a sealing sleeve, and the inner wall of the sealing sleeve is tightly attached to the surface of the connecting wire (3).
  7. 7. The waterproof and dustproof magnetic switch of claim 1, wherein the front and the back of the shell (1) are fixedly connected with a lower sealing strip (11), the front and the back of the top cover (2) are fixedly connected with an upper sealing strip (12), and a plugboard at the top of the lower sealing strip (11) is movably connected with a slot inner cavity at the bottom of the upper sealing strip (12).
  8. 8. The waterproof and dustproof magnetic switch of claim 1, wherein one side of the upper fastening plate (501) is fixedly connected with an inclined plane frame, one side of the lower fastening plate (502) is fixedly connected with a supporting plate, and one side of the supporting plate is contacted with the surface of the inclined plane frame.

Description

Waterproof dustproof magnetic switch Technical Field The utility model belongs to the technical field of magnetic switches, and particularly relates to a waterproof and dustproof magnetic switch. Background The magnetic switch is a circuit switch device controlled by magnetic field signals, and the core working principle is that magnetic elements (such as reed pipes, hall elements and the like) in the switch act through the magnetic field generated by a permanent magnet or an electromagnet, so that the on-off control of a circuit is realized; However, the existing magnetic switch has obvious defects in waterproof and dustproof performance, because the switch is usually required to be installed in various different environments and is inevitably influenced by dust in the air and external water stains, the shell sealing structure of the existing magnetic switch adopts a simple sealing ring or glue sealing mode, and the sealing mode is easy to cause the reduction of sealing performance due to the problems of ageing, glue sealing cracking and the like of the sealing ring in the long-term use process, dust particles in the air can enter the switch through fine gaps, and the dust can be attached to magnetic elements or circuit contacts to influence the normal action of the magnetic elements, so that the signal transmission of the switch is unstable and even fails; To this end, we provide a waterproof and dustproof magnetic switch to solve the above problems. Disclosure of utility model The utility model aims to provide a waterproof and dustproof magnetic switch, which solves the problems that the magnetic switch in the prior art has obvious defects in waterproof and dustproof performances through the cooperation of a protection component and a fastening component, dust particles in air and external water stains can enter the switch through a fine gap after a sealing material is aged, so that the signal transmission of the switch is unstable and even fails. In order to solve the technical problems, the utility model is realized by the following technical scheme. The utility model relates to a waterproof dustproof magnetic switch, which comprises a shell, wherein a top cover is arranged at the top of the shell, a connecting wire is arranged on one side of the shell, a protection component is arranged on one side of the shell and positioned on the outer side of the connecting wire, a fastening component is arranged on the other side of the shell, a circuit board is arranged at the bottom of an inner cavity of the shell, the protection component comprises a protection cylinder, one side of the protection cylinder is fixedly connected with the surface of the shell, a thread cylinder is fixedly connected with one side of the protection cylinder, a sealing cylinder is in threaded connection with the surface of the thread cylinder, a sealing ring is fixedly connected with one side of the surface of the sealing cylinder, the fastening component comprises an upper fastening plate, one side of the upper fastening plate is fixedly connected with the surface of the top cover, a lower fastening plate is fixedly connected with the surface of the upper fastening plate in a penetrating way, a semicircular clamping strip is fixedly connected with the top of the lower fastening plate, and a semicircular groove is formed in the bottom of the upper fastening plate. The utility model is further characterized in that a groove is formed in one side of the top of the shell, the bottom of the inner cavity of the groove is fixedly connected with the sealing plate, one side of the bottom of the top cover is fixedly connected with the sealing clamping frame, the inner wall of the sealing clamping frame is contacted with the surface of the sealing plate, the sealing clamping frame is clamped on the surface of the sealing plate along with the fact that the top cover is tightly adhered to the shell, and the connection tightness of the top cover and the shell can be improved through the sealing structure formed by the sealing clamping frame and the sealing plate. The utility model is further characterized in that the inner cavity of the top cover is fixedly connected with the sealing frame, the bottom of the sealing frame is contacted with the inner wall of the shell, and when the top cover is clamped at the top of the shell, the sealing frame of the inner cavity of the top cover can cover the opening at the top of the shell, so that the inner cavity of the shell is further sealed, and the dual sealing space has better dustproof and waterproof effects. The utility model is further arranged that one side of the protective cylinder far away from the shell is provided with the annular groove, one side of the sealing ring is fixedly connected with the annular plate, the surface of the annular plate is movably connected with the inner cavity of the annular groove, and the annular plate is embedded into the inner cavity of the annular groove along wit