A protection mechanism for an electrical connector

By designing a sealed female end shell and male end shell, as well as an exhaust channel for a miniature fan, the problem of water vapor and impurities splashing into the electrical connectors of PSM mills was solved, improving the sealing effect and service life of the electrical connectors.

CN224472779UActive Publication Date: 2026-07-07JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO LTD
Filing Date
2025-04-29
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

PSM mill electrical connectors are susceptible to internal short circuits, copper oxide chemical reactions, and corrosion caused by water vapor and impurities splashing on them, affecting normal production.

Method used

Design a protective mechanism that uses a sealed fit between the female and male end shells, combined with a miniature fan to form an exhaust channel, to prevent moisture and particles from entering and improve the sealing effect.

Benefits of technology

It effectively prevents moisture and particles from entering, improves the service life and stability of electrical connectors, and ensures normal production.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224472779U_ABST
    Figure CN224472779U_ABST
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Abstract

This utility model discloses a protection mechanism for electrical connectors, relating to the field of electrical connector technology. The utility model includes a female end shell, a male end shell, and a miniature fan. Mutually mating connecting ends are fixed inside the female and male end shells respectively. A flange seat is connected to the tail end of the female end shell, and an air cavity is provided at the front end of the female end shell. The air cavity divides the front end of the female end shell into an outer sleeve and an inner sleeve. The inner sleeve is a stepped sleeve with its small-diameter section facing outwards, and an end seal is provided at the step of the inner sleeve. Through the novel design of the female and male end shells, this utility model achieves a seal between the inner sleeve on the female end shell and the plug-in end on the male end shell. The air cavity design between the outer sleeve and the plug-in end forms an exhaust channel, allowing for continuous ventilation through the miniature fan, thus providing a certain air seal from the inside out, preventing the inflow of moisture and particles, and improving the sealing effect of the connector.
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Description

Technical Field

[0001] This utility model belongs to the field of electrical connector technology, and in particular relates to a protection mechanism for electrical connectors. Background Technology

[0002] Electrical connectors are used extensively in PSM rolling mills. Due to the high moisture content and the large amount of particulate impurities that fall from the steel bars, the relatively harsh environment often causes water and impurities to splash into the connectors, leading to internal short circuits, copper patina reaction and severe corrosion of the connector pins, which affects normal production.

[0003] Therefore, designing electrical connectors with better protection and longer lifespan is a problem that needs to be solved by those skilled in the art. Summary of the Invention

[0004] The purpose of this invention is to provide a protective mechanism for electrical connectors. Through the design of the novel female end shell and male end shell, the inner sleeve on the female end shell and the plug end on the male end shell can achieve a seal between them. Through the design of the air cavity between the outer sleeve and the plug end, an exhaust channel can be formed. Through the continuous ventilation by the micro fan, a certain air seal is provided from the inside to the outside, preventing water vapor and particles from flowing in, improving the sealing effect of the connector, increasing its service life and stable connection.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model is a protection mechanism for electrical connectors, including a female end shell, a male end shell and a miniature fan, wherein mutually mating connection ends are fixed inside the female end shell and the male end shell respectively;

[0007] The female end shell is connected to a flange seat at its tail end, and the front end of the female end shell is provided with an air cavity. The air cavity divides the front end of the female end shell into an outer sleeve and an inner sleeve. The inner sleeve is a stepped sleeve with the small diameter section of the inner sleeve facing outward. The step of the inner sleeve is provided with an end seal, and the small diameter section of the inner sleeve is provided with a sealing ring on its peripheral side.

[0008] The male end shell has a plug-in end at its front end. The plug-in end is fitted over the small-diameter section of the inner sleeve. The end face of the plug-in end is sealed to the end. The sealing ring is interference-fitted between the plug-in end and the inner sleeve.

[0009] The inner wall of the outer end of the outer jacket is provided with a necked section, and a micro-slit communicating with the air cavity is formed between the necked section and the insertion end.

[0010] The female end shell has a mounting platform on its peripheral side. The mounting platform has an air port that communicates with the tail end of the air chamber. The miniature fan is fixed on the mounting platform. The air outlet of the miniature fan is connected to the air port. The air inlet of the miniature fan is connected to an air pipe.

[0011] Furthermore, it also includes a controller housing, the outer side of which is provided with a back plate, and the flange seat is fixed to the outer side of the connector back plate by screws.

[0012] Furthermore, a set of preset ports are provided on both the flange seat and the connector back plate, and the wires of the air pipe and the micro fan pass through the preset ports and extend into the controller housing.

[0013] Furthermore, the outer shell is provided with a plurality of locking heads in a ring shape, and the female end shell is provided with locking grooves that mate with the locking heads on its peripheral side. The male end shell and the female end shell are connected by locking heads and locking grooves.

[0014] Furthermore, the clip is positioned within the necked section of the outer casing, and a vent is formed between two adjacent clips.

[0015] Furthermore, the micro fan includes an annular shell, a drive is provided on the top surface of the annular shell, an impeller connected to the drive is provided inside the annular shell, and the air outlet of the micro fan is located on the bottom surface of the annular shell.

[0016] This utility model has the following beneficial effects:

[0017] 1. This utility model, through the design of a novel female end shell and male end shell, achieves a seal between the inner sleeve on the female end shell and the plug-in end on the male end shell by fitting together. Through the design of the air cavity between the outer sleeve and the plug-in end, an exhaust channel can be formed, and continuous ventilation can be achieved through a micro fan, thereby providing a certain air seal from the inside out, preventing water vapor and particles from flowing in, improving the sealing effect of the connector, increasing its service life and ensuring a stable connection.

[0018] 2. This utility model, through the design of the reduced diameter section on the outer casing, can form a small-diameter passage at the outer end of the air cavity, which can create a certain degree of pressure and improve the air sealing effect.

[0019] 3. By designing pre-drilled openings on the flange seat and back plate, this utility model can place the air inlet and wiring terminals of the miniature fan inside the connector, avoiding contamination caused by external connections and ensuring its performance.

[0020] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the structure of a protection mechanism for an electrical connector according to the present invention;

[0023] Figure 2 This is a cross-sectional view of the structure of this utility model;

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 1-Female end shell, 2-Male end shell, 3-Connecting end, 4-Miniature fan, 101-Flange seat, 102-Air chamber, 103-Outer sleeve, 104-Inner sleeve, 105-End seal, 106-Sealing ring, 107-Necked section, 108-Mounting platform, 109-Air port, 110-Preset port, 201-Plug-in end, 401-Air pipe, 402-Annular shell, 403-Drive, 404-Impeller. Detailed Implementation

[0026] 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.

[0027] Please see Figure 1-2 As shown, this utility model is a protection mechanism for electrical connectors, including a female end shell 1, a male end shell 2 and a miniature fan 4, with mutually cooperating connection ends 3 fixed inside the female end shell 1 and the male end shell 2 respectively.

[0028] The female end shell 1 is connected to a flange seat 101 at its tail end. The front end of the female end shell 1 is provided with an air cavity 102. The air cavity 102 divides the front end of the female end shell 1 into an outer sleeve 103 and an inner sleeve 104. The inner sleeve 104 is a stepped sleeve. The small diameter section of the inner sleeve 104 faces outward. An end seal 105 is provided at the step of the inner sleeve 104. A sealing ring 106 is provided on the circumferential side of the small diameter section of the inner sleeve 104.

[0029] The male end shell 2 has a plug end 201 at the front end. The plug end 201 is fitted outside the small diameter section of the inner sleeve 104. The end face of the plug end 201 fits with the end seal 105. The sealing ring 106 is interference fit between the plug end 201 and the inner sleeve 104.

[0030] The inner wall of the outer end of the outer casing 103 is provided with a necked section 107, and a micro-slit is formed between the necked section 107 and the insertion end 201 to communicate with the air cavity 102.

[0031] The female end shell 1 has a mounting platform 108 on its side. The mounting platform 108 has an air port 109 that communicates with the tail end of the air chamber 102. The miniature fan 4 is fixed on the mounting platform 108. The air outlet of the miniature fan 4 is connected to the air port 109. The air inlet of the miniature fan 4 is connected to an air pipe 401.

[0032] It also includes a controller housing, with a back plate on the outside of the controller housing, and a flange seat 101 fixed to the outside of the connector back plate by screws.

[0033] The flange seat 101 and the connector back plate are provided with a set of preset ports 110. The wires of the air pipe 401 and the micro fan 4 pass through the preset ports 110 and extend into the controller housing.

[0034] The outer shell 103 has several locking heads arranged in a ring inside, and the female end shell 1 has locking grooves on its circumferential side that mate with the locking heads. The male end shell 2 and the female end shell 1 are connected by locking heads and locking grooves.

[0035] The clip is located inside the necked section 107 of the outer casing 103, and a vent is formed between two adjacent clips.

[0036] Among them, such as Figure 2 As shown, the miniature fan 4 includes an annular shell 402, a drive 403 is provided on the top surface of the annular shell 402, an impeller 404 connected to the drive 403 is provided inside the annular shell 402, and the air outlet of the miniature fan 4 is provided on the bottom surface of the annular shell 402.

[0037] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0038] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A protective mechanism for an electrical connector, comprising a female end shell (1) and a male end shell (2), wherein mutually mating connection ends (3) are respectively fixed inside the female end shell (1) and the male end shell (2), characterized in that: It also includes a miniature fan (4); The female end shell (1) is connected to a flange seat (101) at its tail end. The front end of the female end shell (1) is provided with an air cavity (102). The air cavity (102) divides the front end of the female end shell (1) into an outer sleeve (103) and an inner sleeve (104). The inner sleeve (104) is a stepped sleeve. The small diameter section of the inner sleeve (104) faces outward. The step of the inner sleeve (104) is provided with an end seal (105). The small diameter section of the inner sleeve (104) is provided with a sealing ring (106) on its circumferential side. The male end shell (2) has a plug-in end (201) at the front end. The plug-in end (201) is fitted outside the small diameter section of the inner sleeve (104). The end face of the plug-in end (201) is fitted with the end seal (105). The sealing ring (106) is interference-fitted between the plug-in end (201) and the inner sleeve (104). The inner wall of the outer end of the outer casing (103) is provided with a necked section (107), and a micro-slit communicating with the air cavity (102) is formed between the necked section (107) and the insertion end (201); The female end shell (1) is provided with a mounting platform (108) on its peripheral side. The mounting platform (108) is provided with an air port (109) that communicates with the tail end of the air chamber (102). The miniature fan (4) is fixed on the mounting platform (108). The air outlet of the miniature fan (4) is connected to the air port (109). The air inlet of the miniature fan (4) is connected to an air pipe (401).

2. The protective mechanism for an electrical connector according to claim 1, characterized in that, It also includes a controller housing, the outer side of which is provided with a back plate, and the flange seat (101) is fixed to the outer side of the connector back plate by screws.

3. The protective mechanism for an electrical connector according to claim 1, characterized in that, Both the flange seat (101) and the connector back plate are provided with a set of preset ports (110), and the wires of the air pipe (401) and the micro fan (4) pass through the preset ports (110) and extend into the controller housing.

4. A protective mechanism for an electrical connector according to claim 1, characterized in that, The outer shell (103) has several clips arranged in a ring shape inside, and the female end shell (1) has a groove on its circumferential side that mates with the clips. The male end shell (2) and the female end shell (1) are connected by clips and grooves.

5. A protective mechanism for an electrical connector according to claim 4, characterized in that, The clip is located inside the necked section (107) of the outer casing (103), and a vent is formed between two adjacent clips.

6. A protective mechanism for an electrical connector according to claim 1, characterized in that, The micro fan (4) includes an annular shell (402), a drive (403) is provided on the top surface of the annular shell (402), an impeller (404) connected to the drive (403) is provided inside the annular shell (402), and the air outlet of the micro fan (4) is located on the bottom surface of the annular shell (402).