Spring anti-withdrawal mounting structure of SFP network connector

By setting anti-detachment holes on the outer surface of the housing and combining them with the anti-detachment design of the fixing part, the problem of the spring being easily pulled out is solved, and a stable connection between the spring and the housing is achieved, ensuring the stability and quality of the product function.

CN224328946UActive Publication Date: 2026-06-05GUANGDONG HUAZHAN ELECTRONICS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG HUAZHAN ELECTRONICS CO LTD
Filing Date
2025-04-23
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

The spring contacts of existing SFP network connectors are easily pulled out when the plug is removed, which affects product functionality and poses a quality risk.

Method used

Anti-detachment holes are recessed on the outer surface of the housing, and anti-detachment parts are bent and extended on the fixing part so that they can be inserted into the anti-detachment holes to achieve a stable connection between the spring and the housing.

Benefits of technology

This effectively prevents the spring clip from being pulled out when the plug is removed, ensuring stable product function and improving product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of spring sheet anti-drop mounting structures of SFP network connector, including shell and spring sheet;The shell has a containing cavity with opening forward, and the shell is provided with a through-hole;The spring sheet includes integrally-formed bending connection outer spring sheet part and inner spring sheet part, and the inner spring sheet part extends and has a fixing part, the fixing part is passed through the through-hole from inside and is bent to the outer surface of the shell;The outer surface of the shell is concave and has an anti-drop hole, and the anti-drop hole is located on the side of the through-hole, the fixing part is bent and extends and has an anti-drop part, and the anti-drop part is inserted into the anti-drop hole from outside to inside.The further concave anti-drop hole is provided on the outer surface of the shell, and the anti-drop part is bent and extended on the fixing part, and the anti-drop part is inserted into the anti-drop hole from outside to inside, to realize anti-drop design, so that spring sheet and shell mounting connection are stable, effectively prevent plug-in plug-out when taking out spring sheet, completely guarantee product function, greatly improve the quality of product.
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Description

Technical Field

[0001] This utility model relates to the field of SFP network connectors, and in particular to a spring-loaded anti-detachment mounting structure for SFP network connectors. Background Technology

[0002] SFP (Small Form-factor Pluggable) network connectors are compact, hot-pluggable fiber optic modules widely used in network equipment such as switches and routers. They are designed to provide high-speed, high-density network connectivity and support various transmission rates and distances. The small size of SFP network connectors facilitates use in compact network devices, while also allowing devices to support more ports. Users can safely insert or remove SFP modules without powering off the device, greatly improving flexibility and maintainability. SFP network connectors support various transmission rates, including 1Gbps, 2.5Gbps, 4Gbps, 8Gbps, and 10Gbps, meeting the needs of different network applications.

[0003] In the prior art, the spring mounting structure of an SFP network connector typically includes a housing and a spring. The housing has a forward-facing accommodating cavity, and a through hole is provided on the housing, which connects the outside to the accommodating cavity. The spring includes an integrally formed and bent outer spring portion and an inner spring portion. The outer spring portion is located outside the housing, and the inner spring portion is located inside the opening of the accommodating cavity. A fixing portion extends from the inner spring portion, which passes through the through hole from the inside and is bent to abut against the outer surface of the housing.

[0004] However, the aforementioned spring mounting structure is relatively simple. After assembly, the spring is simply bent using a fixture. The spring structure lacks an anti-dislodgement design. During normal operation, when the plug is inserted into the SFP network connector and then removed, the spring is easily pulled out due to stress, affecting product functionality. This structure poses a significant quality risk. Therefore, it is necessary to research a solution to address these issues. Utility Model Content

[0005] In view of this, the present invention addresses the deficiencies of the existing technology and its main purpose is to provide a spring contact anti-detachment mounting structure for SFP network connectors, which can effectively solve the problem that the spring contacts of existing SFP network connectors are easily pulled out by the plug-in.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A spring-loaded anti-detachment mounting structure for an SFP network connector includes a housing and a spring. The housing has a forward-facing accommodating cavity and a through hole that connects the outside to the accommodating cavity. The spring includes an integrally formed, bent outer spring portion and an inner spring portion. The outer spring portion is located outside the housing, and the inner spring portion is located inside the opening of the accommodating cavity. A fixing portion extends from the inner spring portion, passing through the through hole from the inside and bending to abut against the outer surface of the housing. An anti-detachment hole is recessed on the outer surface of the housing, located beside the through hole. An anti-detachment portion extends from the fixing portion and is inserted into the anti-detachment hole from the outside in.

[0008] As a preferred embodiment, the anti-detachment hole extends into the receiving cavity, making manufacturing easy; it can be completed simply by stamping and blanking.

[0009] As a preferred embodiment, the anti-detachment hole is located on the front side of the perforation to better prevent detachment.

[0010] As a preferred embodiment, the anti-detachment holes are arranged in two rows on the left and right. Correspondingly, the left and right sides of the fixing part are bent and extended with anti-detachment parts. The two anti-detachment parts are inserted into the two anti-detachment holes from the outside to the inside, so as to make the installation more stable and achieve a better anti-detachment effect.

[0011] As a preferred embodiment, the perforations are arranged in multiple parallel and spaced-apart configurations. Correspondingly, the rear side of the inner spring sheet extends out with multiple fixing parts. These fixing parts are arranged in parallel and spaced-apart configurations. Each fixing part passes through the multiple perforations from the inside down and is bent to abut against the outer surface of the housing. Each perforation is provided with an anti-detachment hole, and each fixing part extends out with an anti-detachment part. Each anti-detachment part is inserted into the corresponding anti-detachment hole from the outside in, further improving the stability of the connection between the spring sheet and the housing and further enhancing the anti-detachment effect.

[0012] Compared with the prior art, this utility model has obvious advantages and beneficial effects. Specifically, as can be seen from the above technical solution:

[0013] By further recessing anti-detachment holes on the outer surface of the housing, and cooperating with the anti-detachment part that is bent and extended on the fixing part, and the anti-detachment part is inserted into the anti-detachment hole from the outside to the inside, the anti-detachment design is realized, so that the spring piece is firmly connected to the housing, effectively preventing the spring piece from being pulled out when the plug is inserted and removed, fully guaranteeing the product function and greatly improving the product quality.

[0014] To more clearly illustrate the structural features and effects of this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0015] Figure 1This is a three-dimensional assembly schematic diagram of a preferred embodiment of the present invention;

[0016] Figure 2 This is an exploded view of a preferred embodiment of the present invention;

[0017] Figure 3 This is a cross-sectional view of a preferred embodiment of the present invention;

[0018] Figure 4 This is another cross-sectional view of a preferred embodiment of the present invention;

[0019] Figure 5 This is an enlarged schematic diagram of the spring sheet in a preferred embodiment of the present invention.

[0020] Explanation of reference numerals in the attached diagram:

[0021] 10. Shell 11. Receiving cavity

[0022] 12. Perforation 13. Anti-detachment hole

[0023] 20. Shrapnel 21. External shrapnel section

[0024] 22. Internal spring clip section 23. Fixing section

[0025] 24. Anti-hair loss section. Detailed Implementation

[0026] Please refer to Figures 1 to 5 As shown, it illustrates the specific structure of a preferred embodiment of the present invention, including a housing 10 and a spring 20.

[0027] The housing 10 has a forward-opening receiving cavity 11. A through hole 12 is provided on the housing 10, connecting the outside to the receiving cavity 11. An anti-detachment hole 13 is recessed on the outer surface of the housing 10, located beside the through hole 12. In this embodiment, the housing 10 is formed from a metal sheet by stamping. The through hole 12 is square, and the anti-detachment hole 13 is elongated, extending into the receiving cavity 11. This simplifies manufacturing; it only requires direct stamping. The anti-detachment hole 13 is located in front of the through hole 12 to better prevent detachment, and there are two anti-detachment holes 13 arranged side-by-side. Additionally, there are multiple through holes 12 arranged side-by-side at intervals, and an anti-detachment hole 13 is provided for each through hole 12.

[0028] The spring clip 20 includes an integrally formed, bent, and connected outer spring clip portion 21 and an inner spring clip portion 22. The outer spring clip portion 21 is located outside the housing 10, and the inner spring clip portion 22 is located inside the opening of the receiving cavity 11. A fixing portion 23 extends from the inner spring clip portion 22, passing through the through hole 12 from the inside and bending to abut against the outer surface of the housing 10. Furthermore, an anti-detachment portion 24 extends from the fixing portion 23, and the anti-detachment portion 24 is inserted into the anti-detachment hole 13 from the outside. In this embodiment, anti-detachment portions 24 are bent and extended on both the left and right sides of the fixing portion 23, and the two anti-detachment portions 24 are respectively inserted into the two anti-detachment holes 13 from the outside to the inside, so as to make the installation more stable and achieve a better anti-detachment effect. In addition, the rear side of the inner spring piece 22 is bent and extended with multiple fixing parts 23. The multiple fixing parts 23 are arranged side by side at intervals. The multiple fixing parts 23 pass through multiple through holes 12 from the inside downward and are bent to abut against the outer surface of the housing 10. Each fixing part 23 is bent and extended with an anti-detachment part 24. Each anti-detachment part 24 is inserted into the corresponding anti-detachment hole 13 from the outside in, which further improves the stability of the installation connection between the spring piece 20 and the housing 10 and further improves the anti-detachment effect.

[0029] The manufacturing and assembly process of this embodiment is described in detail below:

[0030] First, the housing 10 and the spring piece 20 are stamped and formed. Then, the spring piece 20 is placed at the opening of the receiving cavity 11, so that the outer spring piece 21 is located outside the housing 10, while the inner spring piece 22 is located inside the opening of the receiving cavity 11. Then, the fixing part 23 is passed through the through hole 12 from the inside and bent to abut against the outer surface of the housing 10, and the anti-detachment part 24 is inserted into the anti-detachment hole 13 from the outside to the inside.

[0031] The key design feature of this utility model is that by further recessing anti-detachment holes on the outer surface of the housing and extending anti-detachment parts by bending on the fixing part, and inserting the anti-detachment parts into the anti-detachment holes from the outside to the inside, the anti-detachment design is achieved, so that the spring piece is firmly connected to the housing, effectively preventing the spring piece from being pulled out when the plug is inserted and removed, fully guaranteeing the product function and greatly improving the product quality.

[0032] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A spring-loaded anti-detachment mounting structure for an SFP network connector, comprising a housing and a spring; the housing has a forward-facing accommodating cavity, and a through hole is provided on the housing, the through hole communicating between the outside and the accommodating cavity; the spring includes an integrally formed and bent outer spring portion and an inner spring portion, the outer spring portion being located outside the housing, the inner spring portion being located inside the opening of the accommodating cavity, and a fixing portion extending from the inner spring portion, the fixing portion passing through the through hole from the inside downward and bending against the outer surface of the housing; characterized in that: The outer surface of the housing is recessed with an anti-detachment hole, which is located next to the perforation. The fixing part is bent and extended to form an anti-detachment part, which is inserted into the anti-detachment hole from the outside to the inside.

2. The spring-loaded anti-detachment mounting structure for the SFP network connector according to claim 1, characterized in that: The anti-detachment hole extends into the accommodating cavity.

3. The spring-loaded anti-detachment mounting structure for the SFP network connector according to claim 1, characterized in that: The anti-detachment hole is located on the front side of the perforation.

4. The spring-loaded anti-detachment mounting structure for the SFP network connector according to claim 1, characterized in that: The anti-detachment holes are arranged in two rows on the left and right. Correspondingly, the left and right sides of the fixing part are bent and extended with anti-detachment parts, and the two anti-detachment parts are inserted into the two anti-detachment holes from the outside to the inside.

5. The spring-loaded anti-detachment mounting structure for the SFP network connector according to claim 1, characterized in that: The perforations are arranged in a row at intervals. Correspondingly, the rear side of the inner spring sheet has multiple fixing parts that are bent and extended out. These multiple fixing parts are arranged in a row at intervals. Each fixing part passes through the multiple perforations from the inside down and is bent to abut against the outer surface of the shell. Each perforation has an anti-detachment hole. Each fixing part has an anti-detachment part that is bent and extended out. Each anti-detachment part is inserted into the corresponding anti-detachment hole from the outside in.