Explosion-proof magnetic contact switch wire harness connector

Abstract

The utility model discloses an explosion-proof magnetic contact switch wire harness connector, comprising a wire harness connector main body, the wire harness connector main body is formed by plugging a magnetic contact switch connection female plug and a connection male plug, the bottom end in the magnetic contact switch connection female plug is provided with a limiting block, and the top end of the limiting block is provided with a clamping block. A plug embedded into the magnetic contact switch connecting female plug is arranged at one end of the connecting male plug, a limiting plate matched with the clamping block is installed at the top end of the connecting male plug, and the caliber of the end portion of the plug is gradually reduced. The sealing performance of the magnetic contact switch when the connecting female plug and the connecting male plug are connected is improved, and dust can be effectively prevented from entering the connector.

Description

Technical Field

[0001] The utility model relates to the technical field of wire harness connectors, in particular to an explosion-proof magnetic contact switch wire harness connector. Background Art

[0002] Many industrial and specialized applications place extremely high demands on the safety and reliability of electrical connection equipment. This is especially true in hazardous environments, where flammable and explosive gases, dust, and other pollutants may be present. Conventional connectors can cause safety incidents due to sparks and other issues. Therefore, an explosion-proof magnetic contact switch harness connector has emerged, designed to provide a safe, stable, and efficient electrical connection solution to meet the demands of these environments.

[0003] When existing explosion-proof magnetic contact switch harness connectors are used in dusty environments, dust and other impurities may enter the connector, affecting electrical performance and reliability. Utility Model Content

[0004] The purpose of the utility model is to provide an explosion-proof magnetic contact switch wiring harness connector, which has the advantages of safety, stability and sealing, and solves the problem that dust easily enters the interior of the connector when the current wiring harness connector is used in a dusty environment.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an explosion-proof magnetic contact switch wiring harness connector, comprising a wiring harness connector body, wherein the wiring harness connector body is formed by plugging a magnetic contact switch connecting female plug and a connecting male plug, a limit block is constructed at the bottom end of the internal portion of the magnetic contact switch connecting female plug, and a card block is installed at the top of the limit block, one end of the connecting male plug is provided with a plug embedded in the magnetic contact switch connecting female plug, and a limit plate adapted to the card block is installed at the top of the connecting male plug, and the end diameter of the plug gradually decreases.

[0006] It also includes a sealing device embedded in the female plug of the magnetic contact switch, the sealing device includes a rubber plate, one side of the rubber plate abuts the end of the plug, and a sealing ring is installed on the side of the rubber plate that fits the plug, a plurality of through grooves are opened in the rubber plate, and a groove is opened at the bottom end of the rubber plate to fit the outer edge surface of the limit block.

[0007] Preferably, a plurality of rebound cavities are provided inside the rubber plate, the vertical cross-section of the rebound cavity is elliptical, and the long axis direction of the rebound cavity is parallel to the moving direction of the plug.

[0008] Preferably, a side of the sealing ring away from the rubber plate is provided with an arc surface facing the plug, and the inner wall of the sealing ring fits the outer edge surface of the plug.

[0009] Preferably, metal sheets are provided around the inside of the sealing ring, one end of each metal sheet extends into the rubber plate, and the other end is placed inside the sealing ring.

[0010] Preferably, one end of the rebound chamber located in the sealing ring is arranged in an arc shape, and the arc is arranged to protrude toward the plug.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0012] 1. The utility model is provided with a magnetic contact switch connecting female plug, a limit block, a connecting male plug, a plug, a limit plate, a rubber plate and a sealing ring. The plug is inserted into the magnetic contact switch connecting female plug, assisted in positioning by the limit block, and fixed by inserting the card block into the limit plate. When the plug is inserted into the magnetic contact switch connecting female plug and abuts the rubber plate, the sealing ring wraps the outer edge surface of the plug, thereby increasing the sealing performance when the magnetic contact switch connecting female plug and the connecting male plug are connected, and can effectively prevent dust from entering the interior of the connector.

[0013] 2. The utility model provides a sealing ring, a rebound cavity and a metal sheet, with one end of the metal sheet embedded in the rubber plate and the other end forming an arc toward the plug, so that the outer edge of the metal sheet always fits the inner edge of the female plug of the magnetic contact switch, while increasing the fit between the outer edge of the plug and the inner edge of the sealing ring. The rebound cavity can increase the resilience of the rubber plate, increase the fit between the rubber plate and the plug, and improve the sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the disassembly of the utility model;

[0016] Figure 3 It is a schematic cross-sectional view of the utility model in the vertical direction;

[0017] Figure 4 For this utility model Figure 3 A magnified schematic diagram of the structure at center A;

[0018] Figure 5 For this utility model Figure 4 Schematic diagram of the longitudinal section of the sealing device in the vertical direction.

[0019] The reference numerals and names in the figures are as follows:

[0020] 1. Wiring harness connector body; 2. Magnetic contact switch connecting female plug; 201. Limit block; 202. Clamping block; 3. Connecting male plug; 301. Plug; 302. Limit plate; 4. Sealing device; 401. Rubber sheet; 402. Sealing ring; 403. Rebound chamber; 404. Metal sheet; 405. Through slot; 406. Recess. 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] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0023] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0024] See also Figures 1 to 5, the utility model provides an embodiment: an explosion-proof magnetic contact switch wiring harness connector, including a wiring harness connector body 1, the wiring harness connector body 1 is formed by plugging a magnetic contact switch connecting female plug 2 and a connecting male plug 3, the magnetic contact switch connecting female plug 2 has a limit block 201 at the bottom end thereof, and a card block 202 is installed on the top of the limit block 201, one end of the connecting male plug 3 is provided with a plug 301 embedded in the magnetic contact switch connecting female plug 2, and a limit plate 302 adapted to the card block 202 is installed on the top of the connecting male plug 3, the end diameter of the plug 301 gradually decreases, and also includes a sealing device 4 embedded in the magnetic contact switch connecting female plug 2, the sealing device 4 includes a rubber plate 401, one side of the rubber plate 401 abuts against the end of the plug 301, and the rubber plate 401 is installed in contact with one side of the plug 301 There is a sealing ring 402, a plurality of through grooves 405 are provided in the rubber plate 401, and a groove 406 is provided at the bottom end of the rubber plate 401 to fit the outer edge of the limit block 201, and a plurality of rebound cavities 403 are provided inside the rubber plate 401. The vertical cross-section of the rebound cavity 403 is elliptical, and the long axis direction of the rebound cavity 403 is parallel to the travel direction of the plug 301. The side of the sealing ring 402 away from the rubber plate 401 is provided with an arc surface facing the plug 301, and the inner wall of the sealing ring 402 fits the outer edge of the plug 301. Metal sheets 404 are provided inside the sealing ring 402. One end of each metal sheet 404 extends into the rubber plate 401, and the other end is placed inside the sealing ring 402. The end of the rebound cavity 403 placed in the sealing ring 402 is arranged in an arc shape, which protrudes toward the plug 301.

[0025] Working principle: During the operation of the present invention, the plug 301 is inserted into the female connector 2 of the magnetic contact switch, and the limit block 201 is used for auxiliary positioning to prevent damage to internal components caused by plug-in deviation. The block 202 is inserted into the limit plate 302 to complete the fixation. When the plug 301 is inserted into the female connector 2 of the magnetic contact switch and abuts against the rubber plate 401, the sealing ring 402 wraps the outer edge surface of the plug 301, and one end of the metal sheet 404 is embedded in the rubber plate 401, and the other end forms an arc toward the plug 301, so that the outer edge surface of the metal sheet 404 can always fit the inner edge surface of the female connector 2 of the magnetic contact switch, while increasing the sealing between the outer edge surface of the plug 301 and the inner edge surface of the sealing ring 402.

[0026] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An explosion-proof magnetic contact switch wiring harness connector, comprising a wiring harness connector body (1), characterized in that: The wiring harness connector body (1) is formed by plugging a magnetic contact switch connecting female plug (2) and a connecting male plug (3); a limit block (201) is constructed at the bottom end of the magnetic contact switch connecting female plug (2), and a clamping block (202) is installed at the top end of the limit block (201); a plug (301) embedded in the magnetic contact switch connecting female plug (2) is provided at one end of the connecting male plug (3), and a limit plate (302) adapted to the clamping block (202) is installed at the top end of the connecting male plug (3); and the end diameter of the plug (301) gradually decreases.

2. The explosion-proof magnetic contact switch wiring harness connector according to claim 1, characterized in that: The invention also includes a sealing device (4) embedded in the magnetic contact switch connecting female plug (2), wherein the sealing device (4) includes a rubber plate (401), one side of the rubber plate (401) abuts against the end of the plug (301), and a sealing ring (402) is installed on the side of the rubber plate (401) that fits the plug (301), a plurality of through grooves (405) are provided in the rubber plate (401), and a groove (406) is provided at the bottom end of the rubber plate (401) to fit the outer edge surface of the limit block (201).

3. The explosion-proof magnetic contact switch wiring harness connector according to claim 2, characterized in that: A plurality of rebound cavities (403) are provided inside the rubber plate (401), the vertical cross-section of the rebound cavity (403) is elliptical, and the long axis direction of the rebound cavity (403) is parallel to the travel direction of the plug (301).

4. The explosion-proof magnetic contact switch wiring harness connector according to claim 2, characterized in that: The side of the sealing ring (402) away from the rubber plate (401) is provided with an arc surface facing the plug (301), and the inner wall of the sealing ring (402) is in contact with the outer edge surface of the plug (301).

5. The explosion-proof magnetic contact switch wiring harness connector according to claim 2, characterized in that: Metal sheets (404) are arranged around the sealing ring (402), one end of each metal sheet (404) extends into the rubber plate (401), and the other end is placed inside the sealing ring (402).

6. The explosion-proof magnetic contact switch wiring harness connector according to claim 3, characterized in that: One end of the rebound cavity (403) placed in the sealing ring (402) is arranged in an arc shape, and the arc shape is arranged to protrude toward the plug (301).

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