一种集成熔断保护的快插连接器
By integrating the fuse with the quick-connect connector, the space occupation and assembly complexity of the separate fuse structure are solved, achieving a compact, low-cost, and fast-breaking protection effect, suitable for the safety protection of sensitive electronic components.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU RECODEAL INTERCONNECT SYST
- Filing Date
- 2025-08-11
- Publication Date
- 2026-07-17
AI Technical Summary
Existing quick-connect connectors with separate fuse structures occupy a large space, have many components, are complex to assemble, are costly, have many failure points, slow fuse response, high contact resistance and voltage drop, are not suitable for the protection of sensitive electronic components, and pose a risk of arc propagation.
Design a quick-connect connector with integrated fuse protection, integrating the fuse and connector into one unit. Through the integrated design of the socket and plug, the fuse is connected in series in the power circuit, realizing the integration of fuse protection function, simplifying the layout and shortening the current path.
It achieves a compact structural design, reduces space occupation and cost, simplifies the assembly process, improves protection performance, reduces failure risk, reduces contact resistance and energy loss, and is suitable for harsh environments, especially for the protection of sensitive electronic components.
Smart Images
Figure CN224520367U_ABST
Abstract
Claims
1. An integrated fuse-protected quick-connect connector comprising: The socket part (01) and plug part (02) that are connected by a plug are characterized in that the socket part (01) includes a socket shell (1), a base (2), a long copper busbar (3), a short copper busbar (4) and a fuse (5); The socket housing (1) is detachably connected to the base (2) at its rear end; The base (2) has a recessed rear end on one side to form a receiving groove (21) and a short copper busbar (4) integrally injection molded to the front end on the same side, and a long copper busbar (3) integrally injection molded to the other side. The first ear plate (31) at the rear end of the long copper busbar (3) is exposed on one side of the end of the base (2); The second ear plate (41) at the rear end of the short copper busbar (4) is exposed at the front end of the receiving groove (21). The second contact piece (42) at the front end of the short copper busbar (4) and the first contact piece (32) at the front end of the long copper busbar (3) extend longitudinally side by side from the front end of the base (2) and enter the front insertion tube (100) of the socket housing (1). The fuse (5) includes a fuse body (50) located in a receiving groove (21) and an ear seat (51) connecting the front and rear ends of the fuse body (50). The front ear seat (51) is attached to the second ear plate (41) and connected by the first threaded part (6). The rear ear seat (51) is attached to the other side of the end of the base (2). The front end pieces of the positive and negative power cables are respectively attached to the rear end ear seat (51) and the first ear plate (31) and connected by the second threaded part (7), thereby connecting the fuse (5) in series in the power circuit.
2. The quick connector of claim 1, wherein, The fuse (5) includes a columnar fuse body (50) and two right-angle lugs (51). The front and rear sides of the fuse body (50) and the vertical end plates of the lugs (51) are connected by threaded parts. The gap between the vertical end plates of the fuse body (50) and the lugs (51) is set in the receiving groove (21). The horizontal end plates of the lugs (51) are located at the front and rear ends of the receiving groove (21).
3. The quick connector of claim 2, wherein, The front and rear ends of the receiving groove (21) respectively form mounting grooves (22), the upper surface of the second ear plate (41) is horizontally disposed at the bottom end of the mounting groove (22), and the horizontal end plate gap of the front ear seat (51) is located at the upper end of the front mounting groove (22) and fits against the second ear plate (41); The horizontal end plate of the rear end ear (51) is attached to the bottom wall of the rear end mounting groove (22).
4. The quick connector of claim 3, wherein, It also includes two first nuts (8) and second nuts (9) integrally injection molded and connected in the base (2). The two first nuts (8) are respectively attached to the first ear plate (31) and the second ear plate (41), and the upper end of the second nut (9) is exposed outside the lower wall of the rear mounting groove (22) and attached to the horizontal end plate of the ear seat (51).
5. The quick connector of claim 4, wherein, The first threaded part (6) is a high-pressure crossbeam flat head screw, the second threaded part (7) is a flange face toothed external hexagonal bolt; the second nut (9) is an embedded round nut.
6. The quick connector of claim 5, wherein, The socket housing (1) includes a rear mounting housing (10) and a front mounting housing (11). The rear mounting housing (10) is open at the rear end and its front end is inserted into the inner cavity of the front mounting housing (11) until the two are connected to the first locking platform (101) and the first locking hole (111). The base (2) is inserted into the rear mounting housing (10) from the rear end until the second locking platform (23) of the base (2) engages with the second locking hole (102) of the rear mounting housing (10).
7. The quick connector of claim 6, wherein, The rear end block (24) of the base (2) extends out of the rear port of the rear mounting shell (10), the protruding middle partition (25) of the rear end block (24) fits the rear port, one end of the rear end block (24) is integrally injection molded to connect the first ear plate (31) and the first nut (8), and the other end is integrally injection molded to connect the second nut (9).
8. The quick connector of claim 6, wherein, The two elastic ends (20) of the base (2) are bushed in the axial slots of the rear mounting shell (10), and the two contact pieces pass through the elastic ends (20) and enter the front insertion tube (100) of the rear mounting shell (10). The outer wall of the front end of the rear mounting shell (10) and the outer wall of the front insertion tube (100) are covered by a shielding cover. The front end of the rear mounting shell (10) is inserted into the rear end groove (114) of the front mounting shell (11) and the front insertion tube (100) extends into the insertion tube (115) of the front mounting shell (11).
9. The quick connector of claim 6, wherein, A high-voltage interlocking socket (010) is installed in the middle of the front insertion tube (100), and a high-voltage interlocking insert (020) is installed inside the plug part (02).
10. The quick connector according to any one of claims 1 to 9, characterized in that, The plug part (02) includes a plug shell (021) and a power socket (022) fitted inside the plug shell (021). The cable (024) is connected to the power socket (022) through the tail cap (025) and the sealing body. The plug shell (021) is also provided with a secondary locking structure (023).