Dual-mode locking type plug-in electric connector
By introducing snap-fit and locking groove structures into the plug-in electrical connector, the problem of poor contact caused by loose conductive terminals is solved, and a stable electrical connection is achieved.
Patent Information
- Application Number
- CN202422270220.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-09-14
AI Technical Summary
In existing plug-in connectors, the mating conductive terminals inside the two housings are prone to loosening, leading to poor contact.
A dual-mode locking mating connector was designed. By setting a snap and locking groove structure between the insulating A shell and the insulating B shell, the insulating A shell and the insulating B shell are fixedly connected. At the same time, a snap and locking groove are set between the male and female plugs to ensure that the mating conductive male and female terminals can also be stably connected.
It achieves a fixed connection between the insulating shell A and the insulating shell B, as well as a stable connection between the conductive male and female terminals, thus avoiding the problem of poor contact.
Smart Images
Figure CN223638709U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the structural improvement of electric connector. BACKGROUND
[0002] The existing plug-in electric connector is locked and fixed by two housings after connection, and the matched conductive terminals in the two housings are not locked to each other, so the matched conductive terminals are prone to looseness and cause poor contact. INNOVATION CONTENT
[0003] The utility model aims at improving the above-mentioned defects of the existing plug-in electric connector.
[0004] A double-mode locking plug-in electric connector, comprising an A piece and a B piece, the A piece comprises an insulating A shell and a conductive male terminal arranged in the insulating A shell, and the B piece comprises an insulating B shell and a conductive female terminal arranged in the insulating B shell; the inner front part of the insulating A shell is provided with a connecting cavity for inserting the front part of the insulating B shell, and the inner rear part is provided with a first conductive cavity which is communicated with the connecting cavity and is opened at the rear; the conductive male terminal comprises a male plug and a first wiring part arranged at the rear end of the male plug, and the first wiring part is fixedly arranged in the first conductive cavity so that the male plug is exposed in the connecting cavity; the inner part of the insulating B shell is provided with a second conductive cavity which is communicated with the front and rear, and the conductive female terminal is fixedly arranged in the second conductive cavity; the conductive male terminal comprises a female plug and a second wiring part arranged at the rear end of the female plug, and the female plug is exposed in the front opening of the second conductive cavity to be connected with the male plug; the side wall of the connecting cavity is provided with a clamping hole, the outer wall of the insulating B shell is correspondingly provided with a buckle for clamping the clamping hole, the male plug is provided with a locking groove, and the female plug is provided with a lock buckle which can be locked in the locking groove when the buckle is clamped in the clamping hole.
[0005] As a preferred scheme, the insulating A shell and the insulating B shell are both rectangular shells.
[0006] As a preferred scheme, the clamping hole is arranged on one cavity wall of the connecting cavity, and the buckle is correspondingly arranged on one side outer wall of the insulating B shell.
[0007] As a preferred scheme, the cavity wall of the connecting cavity on the side where the clamping hole is arranged is provided with a through groove which penetrates the front end of the insulating A shell, so that the cavity wall of the connecting cavity forms an elastic surface which can expand outward.
[0008] As a preferred scheme, the front end of the male plug is provided with a tapered head, and the locking groove is annularly arranged on the outer wall of the male plug behind the tapered head; the front part of the female plug is provided with a plug hole for inserting the tapered head, and the lock buckle is annularly arranged on the inner wall of the plug hole.
[0009] As a preferred solution, the conductive male terminal is a first conductive plate integrally formed by die casting, the first conductive plate is divided into a first front narrow section, a first middle section wider than the first front narrow section, and a first rear wide section wider than the first middle section, the first middle section and the first rear wide section are located on the same plane to jointly form a first wiring part; the first front narrow section is first upwardly bent and then forwardly extended, and first bent edges upwardly bent are symmetrically arranged on left and right sides of the first front narrow section to form a U-shaped male plug.
[0010] As a preferred solution, second bent edges first upwardly bent and then inwardly bent are symmetrically arranged on both sides of the rear part of the first rear wide section to form a square first wire guide inlet at the rear end of the first wiring part; first elastic clamping pieces close to each other are symmetrically arranged on front sides of the second bent edges on both sides to form a first wire clamping opening between the elastic clamping pieces on both sides.
[0011] As a preferred solution, the conductive female terminal is a second conductive plate integrally formed by die casting, the second conductive plate includes a second front narrow section and a second rear wide section located on the same plane, third bent edges first upwardly bent and then inwardly bent are symmetrically arranged on both sides of the front part of the second front narrow section to form a square female plug at the front part of the conductive female terminal.
[0012] As a preferred solution, fourth bent edges first upwardly bent and then inwardly bent are symmetrically arranged on both sides of the end of the second rear wide section to form a square second wire guide inlet at the rear end of the second wiring part; second elastic clamping pieces close to each other are symmetrically arranged on front sides of the fourth bent edges on both sides to form a second wire clamping opening between the second elastic clamping pieces on both sides.
[0013] After the A piece and the B piece of the utility model are butted against each other, not only are the insulating A shell and the insulating B shell fixedly connected, but also the paired male plug and the female plug can be fixedly connected with each other, which helps to avoid loosening of the paired conductive terminals and thus helps to avoid poor contact. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is an overall structure schematic view after plugging of the utility model embodiment;
[0015] Figure 2 It is a structure sectional view of the A piece of the utility model embodiment;
[0016] Figure 3 It is a structure schematic view of the conductive male terminal of the utility model embodiment;
[0017] Figure 4 It is a structure sectional view of the B piece of the utility model embodiment;
[0018] Figure 5 It is a structure schematic view of the conductive female terminal of the utility model embodiment;
[0019] Figure 6The overall structure schematic diagram after plugging of the embodiment of the utility model is shown.
[0020] Figure 7 The overall structure sectional view after plugging of the embodiment of the utility model is shown. DETAILED DESCRIPTION
[0021] The utility model will be explained in connection with the drawings and specific embodiments.
[0022] Referring to Figures 1-7 :
[0023] A dual-mode locking type plug-in electrical connector, comprising A piece 10 and B piece 20, A piece 10 includes insulating A shell 11 and the conductive male terminal 12 arranged in the insulating A shell 11, B piece 20 includes insulating B shell 21 and the conductive female terminal 22 arranged in the insulating B shell 21.
[0024] The insulating A shell 11 is rectangular shell, its inside front part is equipped with the connecting cavity 11.1 for the front part of the insulating B shell 21 and inserts, its inside rear part is equipped with the first conductive cavity 11.2 with the front and rear communication of connecting cavity 11.1 and rear opening;The conductive male terminal 12 includes male plug 12.1 and the first wiring part 12.2 arranged in the rear end of male plug 12.1, and the first wiring part 12.2 is inserted and fixed in the first conductive cavity 11.2, so that male plug 12.1 is exposed in connecting cavity 11.1.
[0025] The insulating B shell 21 is rectangular shell, its inside is equipped with the second conductive cavity 21.1 through front and rear, and the conductive female terminal 22 includes female plug 22.1 and the second wiring part 22.2 arranged in the rear end of female plug 22.1, and the conductive female terminal 22 is inserted and fixed in the second conductive cavity 21.1, so that female plug 22.1 is exposed in the front mouth of the second conductive cavity 21.1 to be connected with male plug 12.1.
[0026] The side wall of connecting cavity 11.1 is equipped with the clamping hole 11.11, and the outer wall of insulating B shell 21 is correspondingly equipped with the buckle 21.2 for clamping with clamping hole 11.11;Clamping hole 11.11 is arranged on one cavity wall of connecting cavity 11.1, and buckle 21.2 is correspondingly arranged on the outer wall of one side of insulating B shell 21. The cavity wall of connecting cavity 11.1 on the side of clamping hole 11.11 is equipped with the through slot 11.12 through the front end of insulating A shell 11, so that the cavity wall of connecting cavity 11.1 forms the elastic surface 11.3 that can expand outward.
[0027] The conductive male terminal 12 is integrally pressure die-cast from a first conductive plate 12-0, which is divided into a first front narrow section 12-1, a first middle section 12-2 wider than the first front narrow section 12-1, and a first rear wide section 12-3 wider than the first middle section 12-2, the first middle section 12-2 and the first rear wide section 12-3 being located on the same plane to jointly form a first wiring portion 12.2. The first front narrow section 12-1 is first curved upward and then extends forward, and symmetrical first folded edges 12-11 are provided on the left and right sides of the first front narrow section 12-1 to be bent upward to form a U-shaped male plug 12.1; a tapered head 12.12 is provided at the front end of the male plug 12.1, and a locking groove 12.11 is provided around the outer wall of the male plug 12.1 behind the tapered head 12.11. Second folded edges 12-31 are provided on both sides of the rear part of the first rear wide section 12-3 to be first bent upward and then inward to form a square first wire guide inlet 12.21 at the rear end of the first wiring portion 12.2; first elastic clamping pieces 12-32 are symmetrically provided on the front sides of the second folded edges 12-31 on both sides to be close to each other to form a first clamping wire port 12.22 between the elastic clamping pieces 12-32 on both sides.
[0028] The conductive female terminal 22 is integrally pressure die-cast from a second conductive plate 22-0, which includes a second front narrow section 22-1 and a second rear wide section 22-2 on the same plane, symmetrical third folded edges 22-11 are provided on both sides of the front part of the second front narrow section 22-1 to be first bent upward and then inward to form a square female plug 22.1 at the front part of the conductive female terminal 22, a plug hole is provided at the front part of the female plug 22.1 for insertion of the tapered head 12.12, and a locking ring is provided on the inner wall of the plug hole; symmetrical fourth folded edges 22-21 are provided on both sides of the end of the second rear wide section 22-2 to be first bent upward and then inward to form a square second wire guide inlet 22.21 at the rear end of the second wiring portion 22.2; second elastic clamping pieces 22-22 are symmetrically provided on the front sides of the fourth folded edges 22-21 on both sides to be close to each other to form a second clamping wire port 22.22 between the second elastic clamping pieces 22-22 on both sides.
[0029] In use, the wires are inserted into the first clamping wire port 12.22 along the first wire guide inlet 12.21 to complete the wiring of the conductive female terminal 12, and the wires are inserted into the second clamping wire port 22.22 along the second wire guide inlet 22.21 to complete the wiring of the conductive male terminal 22. The front part of the insulating B shell 21 is inserted into the connecting cavity 11.1 of the insulating A shell 11 until the clamping buckle 21.2 on the insulating B shell 21 slides into the clamping hole 11.11 on the insulating A shell 11, at the same time, the locking buckle and the locking groove 12.11 of the paired male plug 12.1 and the female plug 22.1 are also locked to each other, and stable electrical connection can be achieved between the paired conductive male terminal 12 and the conductive female terminal 22.
Claims
1. A dual-mold lock-and-plug electrical connector comprising an A piece (10) and a B piece (20), the A piece (10) comprising an insulating A shell (11) and a conductive male terminal (12) disposed within the insulating A shell (11), the B piece (20) comprising an insulating B shell (21) and a conductive female terminal (22) disposed within the insulating B shell (21); characterized in that: The inner front part of the insulating A shell (11) is provided with a connecting cavity (11.1) for inserting the front part of the insulating B shell (21), and the inner rear part is provided with a first conductive cavity (11.2) which is in communication with the connecting cavity (11.1) and is open at the rear part. The conductive male terminal (12) comprises a male plug (12.1) and a first wiring part (12.2) provided at the rear end of the male plug (12.1). The first wiring part (12.2) is fixedly arranged in the first conductive cavity (11.2) so that the male plug (12.1) is exposed in the connecting cavity (11.1). The insulating B shell (21) is internally provided with a second conductive cavity (21.1) which is through the front and rear parts. The conductive female terminal (22) comprises a female plug (22.1) and a second wiring part (22.2) provided at the rear end of the female plug (22.1). The conductive female terminal (22) is fixedly arranged at the rear part of the second conductive cavity (21.1) so that the female plug (22.1) is exposed in the front opening of the second conductive cavity (21.1) to be connected with the male plug (12.1). The side wall of the connecting cavity (11.1) is provided with a clamping hole (11.11), and the outer wall of the insulating B shell (21) is correspondingly provided with a clasp (21.2) for clamping with the clamping hole (11.11). The male plug (12.1) is provided with a locking groove (12.11), and the female plug (22.1) is provided with a locking clasp which can be locked in the locking groove (12.11) when the clasp (21.2) is clamped into the clamping hole (11.11).
2. A dual-molded latching mating electrical connector as described in claim 1, wherein: The insulating A shell (11) and the insulating B shell (21) are both rectangular shells.
3. A dual latching mating electrical connector as defined in Claim 2 wherein: The clamping hole (11.11) is arranged on one cavity wall of the connecting cavity (11.1), and the clasp (21.2) is correspondingly arranged on one side outer wall of the insulating B shell (21).
4. A dual latching mating electrical connector as defined in Claim 3 wherein: The cavity wall of the connecting cavity (11.1) on the side where the clamping hole (11.11) is arranged is provided with a through groove (11.12) which is through the front end of the insulating A shell (11) so that the cavity wall of the connecting cavity (11.1) forms an elastic surface (11.3) which can be expanded outward.
5. A dual latching mating electrical connector as recited in claim 1, wherein: The front end of the male plug (12.1) is provided with a tapered head (12.12), and the locking groove (12.11) is annularly arranged on the outer wall of the male plug (12.1) behind the tapered head (12.12). The front part of the female plug (22.1) is provided with a plug hole for inserting the tapered head (12.12), and the locking clasp is annularly arranged on the inner wall of the plug hole.
6. A dual latching mating electrical connector as recited in claim 1, wherein: The conductive male terminal (12) is integrally pressure-cast formed by a first conductive plate (12-0). The first conductive plate (12-0) is divided into a first front narrow section (12-1), a first middle section (12-2) which is wider than the first front narrow section (12-1), and a first rear wide section (12-3) which is wider than the first middle section (12-2). The first middle section (12-2) and the first rear wide section (12-3) are located on the same plane to jointly form the first wiring part (12.2). The first front narrow section (12-1) is first upwardly bent and then forwardly extended, and the left and right sides thereof are symmetrically provided with first bent edges (12-11) which are upwardly bent to form a U-shaped male plug (12.1).
7. A dual latching mating electrical connector as defined in Claim 6 wherein: The second fold edge (12-31) is symmetrically arranged on both sides of the rear part of the first rear wide section (12-3) and is first bent upward and then inward, so as to form a square first wire guide inlet (12.21) at the rear end of the first wire connecting part (12.2).
8. A dual latching mating electrical connector as recited in claim 5, wherein: The conductive female terminal (22) is integrally pressure die-cast from a second conductive plate (22-0), and the second conductive plate (22-0) comprises a second front narrow section (22-1) and a second rear wide section (22-2) in the same plane. The second front narrow section (22-1) is symmetrically provided with third fold edges (22-11) on both sides of the front part, which are first bent upward and then inward, so as to form a female plug (22.1) at the front part of the conductive female terminal (22).
9. A dual latching mating electrical connector as defined in Claim 8 wherein: The fourth fold edge (22-21) is symmetrically arranged on both sides of the end of the second rear wide section (22-2) and is first bent upward and then inward, so as to form a square second wire guide inlet (22.21) at the rear end of the second wire connecting part (22.2); The second elastic clamping pieces (22-22) are symmetrically arranged on the front sides of both fourth fold edges (22-21) and are close to each other, so as to form a second wire clamping opening (22.22) between the second elastic clamping pieces (22-22) on both sides.