A signal transmission connector with stable docking
By using plastic injection molding fixing technology and positioning groove structure, the problem of low assembly efficiency of existing connectors has been solved, achieving stable docking and efficient assembly.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN LIANHONGSHENG TECH CO LTD
- Filing Date
- 2025-06-17
- Publication Date
- 2026-06-23
AI Technical Summary
Existing connectors require the metal pins to be assembled one by one during assembly, resulting in low efficiency.
Using plastic injection molding technology, the upper and lower rows of metal terminals are integrally molded with the injection molding fixture and fixed to the plastic body with glue. With the help of spring sheet and positioning groove structure, stable docking is achieved.
It reduces assembly difficulty, facilitates tuning characteristic impedance, and improves assembly efficiency.
Smart Images
Figure CN224400722U_ABST
Abstract
Description
[Technical Field]
[0001] This utility model relates to the field of connector technology, and in particular to a signal transmission connector with stable mating. [Background Technology]
[0002] Existing connectors typically require individual metal pins to be assembled onto the connector housing, which is inconvenient and inefficient. [Utility Model Content]
[0003] To overcome the above problems, this utility model proposes a signal transmission connector that can effectively solve the above problems and provide stable docking.
[0004] The present invention provides a technical solution to the above-mentioned technical problems by providing a stable signal transmission connector, comprising a metal shell, a plastic body disposed within the metal shell, a contact terminal assembly fixed within the plastic body, the metal shell including a slot, and the contact terminal assembly located within the slot; the contact terminal assembly including a lower row of terminal assemblies and an upper row of terminal assemblies, the lower row of terminal assemblies including a lower row of metal terminals and a lower row of injection-molded fasteners, the lower row of metal terminals and the lower row of injection-molded fasteners being integrally formed by injection molding; the upper row of terminal assemblies including an upper row of metal terminals and an upper row of injection-molded fasteners, the upper row of metal terminals and the upper row of injection-molded fasteners being integrally formed by injection molding.
[0005] Preferably, spring contacts are provided on both the upper and lower inner sides of the slot.
[0006] Preferably, the plastic body is provided with an assembly port, and the lower row terminal assembly and the upper row terminal assembly are respectively inserted into the assembly port.
[0007] Preferably, a first positioning groove is provided on the inner side of the assembly port, and a first positioning protrusion matching the first positioning groove is provided on both sides of the upper row of injection molded fasteners, and the first positioning protrusion is embedded in the first positioning groove.
[0008] Preferably, a second positioning groove is provided inside the assembly port, and a second positioning protrusion matching the second positioning groove is provided on both sides of the lower injection molding fastener, and the second positioning protrusion is embedded in the second positioning groove.
[0009] Preferably, a limiting post is provided inside the assembly port, the limiting post being located between the first positioning groove and the second positioning groove, a second clearance groove matching the limiting post is provided on the lower row of injection molding fasteners, and a first clearance groove matching the limiting post is provided on the upper row of injection molding fasteners.
[0010] Compared with the prior art, the signal transmission connector of this utility model with stable docking can effectively reduce the assembly difficulty, facilitate the tuning of characteristic impedance, and improve assembly efficiency by fixing the upper and lower rows of metal terminals with plastic injection molding and then assembling them. [Attached Image Description]
[0011] Figure 1 This is a perspective view of the stable signal transmission connector of this utility model;
[0012] Figure 2 This is a front view of the stable signal transmission connector of this utility model;
[0013] Figure 3 This is an exploded view of the stable signal transmission connector of this utility model.
Detailed Implementation Methods
[0014] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for illustrative purposes only and are not intended to limit the scope of this utility model.
[0015] It should be noted that in this embodiment of the invention, all directional indications (such as up, down, left, right, front, back, etc.) are limited to relative positions on the specified view, rather than absolute positions.
[0016] Furthermore, in this utility model, the use of terms such as "first," "second," etc., is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0017] Please see Figures 1 to 3 The present invention provides a stable signal transmission connector, comprising a metal housing 10, a plastic body 20 disposed within the metal housing 10, a contact terminal assembly 30 fixed within the plastic body 20, and a slot 11 within the metal housing 10, wherein the contact terminal assembly 30 is located within the slot 11 for connector contact to achieve electrical conduction.
[0018] The contact terminal assembly 30 includes a lower row terminal assembly 31 and an upper row terminal assembly 32. The lower row terminal assembly 31 includes a lower row metal terminal 312 and a lower row injection molded fastener 311. The lower row metal terminal 312 and the lower row injection molded fastener 311 are integrally formed by injection molding.
[0019] The upper terminal assembly 32 includes an upper metal terminal 322 and an upper injection molded fastener 321, which are integrally formed by injection molding.
[0020] During assembly, the lower row of metal terminals 312 are first injection molded and fixed to the lower row of injection molded fasteners 311, and the upper row of metal terminals 322 are injection molded and fixed to the upper row of injection molded fasteners 321. Then, the fastener with the lower row of metal terminals 312 injection molded and fixed is inserted into the plastic body 20, and then the fastener with the upper row of metal terminals 322 injection molded and fixed is inserted into the plastic body 20. Then, the fastener and the plastic body 20 are fixed with glue, and then assembled together into the metal shell 10 and fixed with glue.
[0021] The present invention provides a stable signal transmission connector. By fixing the upper and lower rows of metal terminals with plastic injection molding before subsequent assembly, the assembly difficulty can be effectively reduced, the characteristic impedance can be easily tuned, and the assembly efficiency can be improved.
[0022] The slot 11 is provided with spring pieces 12 on both the upper and lower inner sides, which helps to maintain the stability of the connector after it is plugged in.
[0023] The plastic body 20 is provided with an assembly port 24, and the lower row terminal assembly 31 and the upper row terminal assembly 32 are respectively inserted into the assembly port 24.
[0024] The assembly port 24 is provided with a first positioning groove 21 on the inner side, and the upper row of injection molded fasteners 321 are respectively provided with first positioning protrusions 323 that match the first positioning groove 21 on both sides, and the first positioning protrusions 323 are embedded in the first positioning groove 21.
[0025] The assembly port 24 is provided with a second positioning groove 22 on its inner side. The lower row of injection molding fasteners 311 are provided with second positioning protrusions 313 on both sides that match the second positioning groove 22. The second positioning protrusions 313 are embedded in the second positioning groove 22.
[0026] The assembly port 24 is provided with a limiting post 23 on its inner side. The limiting post 23 is located between the first positioning groove 21 and the second positioning groove 22. The lower row of injection molding fasteners 311 is provided with a second clearance groove 314 that matches the limiting post 23. The upper row of injection molding fasteners 321 is provided with a first clearance groove 324 that matches the limiting post 23.
[0027] Compared with the prior art, the signal transmission connector of this utility model with stable docking can effectively reduce the assembly difficulty, facilitate the tuning of characteristic impedance, and improve assembly efficiency by fixing the upper and lower rows of metal terminals with plastic injection molding and then assembling them.
[0028] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any modifications, equivalent substitutions and improvements made within the concept of the present utility model should be included within the patent protection scope of the present utility model.
Claims
1. A signal transmission connector with stable mating, characterized in that, The device includes a metal housing, a plastic body is disposed inside the metal housing, a contact terminal assembly is fixed inside the plastic body, and the metal housing includes a slot in which the contact terminal assembly is located. The contact terminal assembly includes a lower row terminal assembly and an upper row terminal assembly. The lower row terminal assembly includes a lower row of metal terminals and a lower row of injection molded fasteners. The lower row of metal terminals and the lower row of injection molded fasteners are integrally formed by injection molding. The upper terminal assembly includes an upper row of metal terminals and an upper row of injection-molded fasteners, which are integrally formed by injection molding.
2. The stable signal transmission connector as described in claim 1, characterized in that, The slot has spring contacts on both the upper and lower inner sides.
3. The stable signal transmission connector as described in claim 1, characterized in that, The plastic body is provided with an assembly port, and the lower row terminal assembly and the upper row terminal assembly are respectively inserted into the assembly port.
4. The stable signal transmission connector as described in claim 3, characterized in that, The assembly port is provided with a first positioning groove, and the upper row of injection molded fasteners are provided with first positioning protrusions on both sides that match the first positioning groove, and the first positioning protrusions are embedded in the first positioning groove.
5. The stable signal transmission connector as described in claim 4, characterized in that, The assembly port is provided with a second positioning groove, and the two sides of the lower injection molding fastener are respectively provided with second positioning protrusions that match the second positioning groove, and the second positioning protrusions are embedded in the second positioning groove.
6. The stable signal transmission connector as described in claim 5, characterized in that, A limiting post is provided inside the assembly port. The limiting post is located between the first positioning groove and the second positioning groove. A second clearance groove matching the limiting post is provided on the lower row of injection molding fasteners. A first clearance groove matching the limiting post is provided on the upper row of injection molding fasteners.