CN202103200U - An electric connector with stable connection - Google Patents

Abstract

The utility model discloses an electric connector with stable connection; the utility model comprises a base with a receiving area, a plastic bracket with a front portion inserted in the receiving area, a conductive terminal arranged on the base, and a connecting terminal, the connecting terminal comprises a clamping portion, a positioning portion, and a welding portion for welding a wire which are connected in sequence, the connecting terminal is fixed to the plastic bracket, an inward end of the conductive terminal contacts the clamping portion, and the positioning portion contacts the upper end surface of the receiving area; the wire of the utility model is fixed to the connecting terminal by welding, the positioning portion of the connecting terminal contacts the upper end surface of the receiving area, the wire is stably connected to the electric connector, poor contact can be avoided, and the normal operation of the electric connector is ensured.

Description

An electric connector with stable connection

technical field

The utility model relates to the technical field of connectors, in particular to an electric connector with stable connection.

Background technique

Electrical connectors can be used for electrical connection between wires and circuit boards. The applicant's authorized announcement number is "CN201369414Y", and the Chinese utility model patent named "piercing electrical connector". Conductive terminal, a connection terminal for piercing the sheath of the wire and electrically connecting with the wire, the connection terminal is arranged on the insulating body, the insulating body is inserted into the accommodating area of the base, the conductive terminal passes through the penetration hole of the base and is connected with the The corresponding connection terminal is in contact; when in use, because the wire is electrically connected to the connection terminal by piercing the outer skin, if the wire is pulled frequently or the pulling force is too large, it may cause poor contact and affect the normal operation of the electrical connector.

Contents of the invention

The utility model provides an electric connector with stable connection. The wire is fixed to the connection terminal by welding, the positioning part is in contact with the upper end surface of the accommodation area, the wire and the electric connector are connected firmly, and poor contact can be avoided.

An electrical connector with a stable connection, comprising a base with an accommodating area, a plastic bracket inserted into the accommodating area at the front, a conductive terminal arranged on the base, and a connecting terminal, which includes sequentially The connecting clamping part, the positioning part, the welding part for welding wires, the connection terminal are fixed on the plastic bracket, the inward end of the conductive terminal is in contact with the clamping part, and the positioning part is in contact with the upper end surface of the accommodating area.

Wherein, a crimping cover is arranged above the plastic bracket, and the crimping cover is fastened with the plastic bracket.

Wherein, both sides of the crimping cover are respectively provided with inward buckles, and both sides of the plastic bracket are respectively provided with buckle grooves corresponding to the buckles, and the buckles are fastened with the buckle grooves.

Wherein, the rear part of the upper end surface of the plastic bracket is provided with an upper wire groove, and the lower end surface of the crimping cover is provided with a lower wire groove, and the upper wire groove and the lower wire groove jointly form a through groove for the wire to pass through.

Wherein, the length of the through groove is 0.5-3 centimeters.

Wherein, the front part of the upper end surface of the plastic bracket is provided with an accommodating groove, the width of the accommodating groove is equal to or slightly smaller than the width of the positioning part, the length of the accommodating groove is equal to or slightly smaller than the length of the positioning part, and the upper end surface of the plastic support is equal to or slightly smaller than the width of the positioning part. A welding groove is opened in the middle, and the width of the welding groove is equal to or slightly smaller than the width of the welding part.

Wherein, the front surface of the plastic bracket is provided with a through hole for the conductive terminal to pass through, and the through hole communicates with the accommodating groove.

Wherein, the clamping part is composed of two elastic pieces bent inward, and the two elastic pieces are respectively fixed on both sides of the positioning part.

Wherein, the two sides of the front part of the plastic bracket are respectively provided with guide blocks, the two sides of the accommodating area are respectively provided with guide grooves corresponding to the guide blocks, and the guide blocks are embedded in the guide grooves.

Wherein, the guide block is provided with a limit groove, and the guide groove is provided with an arc-shaped limit protrusion corresponding to the limit groove, and the limit protrusion is clamped in the limit groove.

The utility model has beneficial effects: it includes a base with an accommodating area, a plastic bracket inserted in the accommodating area at the front, a conductive terminal arranged on the base, and a connection terminal, which includes sequentially connected The clamping part, the positioning part, the welding part for welding wires, the connection terminal are fixed on the plastic bracket, the inward end of the conductive terminal is in contact with the clamping part, and the positioning part is in contact with the upper end surface of the accommodating area. The wire of the utility model is fixed to the connection terminal by welding, the positioning part of the connection terminal touches the upper end surface of the accommodation area, the wire and the electrical connector are firmly connected, which can avoid poor contact and ensure the normal operation of the electrical connector.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic diagram of the structure of the hidden wire crimping cover in Fig. 1 .

FIG. 3 is an exploded schematic view of FIG. 1 .

Fig. 4 is a structural schematic diagram of another viewing angle of the present invention.

FIG. 5 is an exploded schematic diagram of FIG. 4 .

Fig. 6 is a schematic structural view of the plastic bracket of the present invention.

Fig. 7 is a schematic structural view of the base of the present invention.

Fig. 8 is a schematic structural diagram of the connection terminal of the present invention.

Detailed ways

Referring to Fig. 1 to Fig. 8, the utility model will be described in detail below in conjunction with the accompanying drawings.

An electrical connector with stable connection, comprising a base 10 with an accommodating area, a plastic bracket 11 inserted in the accommodating area at the front, a conductive terminal 14 provided on the base 10, and a connecting terminal 15, The connection terminal 15 includes a clamping part 16, a positioning part 17, and a welding part 18 for welding the wire 13 connected in sequence. Then, the positioning portion 17 is in contact with the upper end surface of the accommodating area.

The connection terminal 15 has a welding portion 18, the wire 13 is fixed to the welding portion 18 of the connection terminal 15 by welding, the connection between the wire 13 and the connection terminal 15 is firm, and the positioning portion 17 of the connection terminal 15 is in contact with the accommodation of the base 10 On the upper end surface of the area, the connection terminal 15 is firmly connected to the plastic bracket 11 and the base 10, so the connection between the wire 13 and the electrical connector is stable; during work, even if the wire 13 is frequently pulled or the pulling force is large, it will not appear. Poor contact, so as to ensure the normal operation of the electrical connector.

A crimping cover 12 is arranged above the plastic bracket 11 , and the crimping cover 12 is fastened to the plastic bracket 11 . The crimping cover 12 can press the lead 13 to prevent the lead 13 from coming off; and the crimping cover 12 can cover the wire core of the connection terminal 15, the lead 13 and their soldering position, so as to avoid being exposed and disturbed by the outside world, resulting in open circuit, Bad phenomena such as electrical signal attenuation. The "up" and "down" orientations of this embodiment take Figure 1 as a reference direction.

In this embodiment, both sides of the crimping cover 12 are respectively provided with inward buckles 19, that is, the hooks of the buckles 19 face inward, and both sides of the plastic bracket 11 are respectively provided with buckle grooves 20 corresponding to the buckles 19. , The buckle 19 is fastened with the buckle groove 20; through this fastening method, the assembly and disassembly are convenient.

The rear portion of the upper end surface of the plastic support 11 is provided with an upper wire groove 21, and the lower end surface of the crimping cover 12 is provided with a lower wire groove 22, and the upper wire groove 21 and the lower wire groove 22 jointly constitute a through groove for the wire 13 to pass through. Setting the upper wire slot 21 and the lower wire slot 22 can bring convenience for welding and wiring; moreover, when the wire 13 is bent by an external force, the stress point of the wire 13 is at the port position of the through slot, which can avoid affecting the welding point of the wire 13. In this embodiment, the length of the through groove is 0.5-3 cm, specifically 0.5 cm, 1.5 cm or 3 cm; of course, the length of the through groove other than 0.5-3 cm can also be selected. In this embodiment, the number of conductive terminals 14 and connection terminals 15 is 5, and the number of upper wire grooves 21 and lower wire grooves 22 is 5, forming 5 through grooves in total; of course, during actual production, their quantity can be Modify as needed.

The front part of the upper end surface of the plastic bracket 11 is provided with a receiving groove 23, and the width and length of the receiving groove 23 are respectively equal to or slightly smaller than the width and length of the positioning part 17, so that the positioning part 17 of the connection terminal 15 can be effectively fixed on the Accommodating groove 23; when the width and length of the accommodating groove 23 are slightly smaller than the width and length of the positioning portion 17, the effect of interference fit can be produced, and the connection is more stable. The middle part of the upper end surface of the plastic support 11 is provided with a welding groove 24, and the width of the welding groove 24 is equal to or slightly smaller than the width of the welding portion 18, so that the welding portion 18 of the connection terminal 15 can be effectively fixed on the welding groove 24; when the welding groove 24 When the width is slightly smaller than the width of the welding portion 18, the effect of interference fit can be produced, and the connection is more stable. The accommodating groove 23, the welding groove 24, and the upper wiring groove 21 are sequentially connected.

The front surface of the plastic bracket 11 is provided with a through hole 25 for the conductive terminal 14 to pass through, and the through hole 25 communicates with the accommodating groove 23; The clamping portion 16 in the groove 23 is in contact.

The clamping portion 16 is composed of two inwardly bent shrapnels, and the two shrapnels are respectively fixed on both sides of the positioning portion 17; the two shrapnels clamp the inward end of the conductive terminal 14, and the inwardly bent shrapnels can improve a certain The elastic force can avoid poor contact.

Both sides of the front portion of the plastic support 11 are respectively provided with guide blocks 26, and the corresponding guide blocks 26 are provided with guide grooves 27 on both sides of the accommodation area, and the guide blocks 26 are embedded in the guide grooves 27; through the guide blocks 26 and the guide grooves 27 The cooperation facilitates the insertion and fixing of the plastic bracket 11 in the accommodating area. In this embodiment, the guide block 26 is provided with a limit groove 28, and the guide groove 27 is provided with an arc-shaped limit protrusion 29 corresponding to the limit groove 28, and the limit protrusion 29 is clamped in the limit groove 28, Through the cooperation of the limiting protrusion 29 and the limiting groove 28, it is beneficial for the plastic bracket 11 to be further fixed in the accommodating area.

The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.

Claims (10)

1. one kind connects firm electric connector; Comprise the pedestal that offers the disposal area, the plastic rubber bracket that the front portion is inserted in the disposal area, the conducting terminal that is arranged at pedestal; It is characterized in that: also comprise the line terminal, the line terminal comprises clamping part, the location division that connects successively, the weld part that is used for welding lead, and the line terminal is fixed in plastic rubber bracket; A conducting terminal end and clamping part inwardly touches, the upper surface of conflict disposal area, location division.

2. a kind of firm electric connector that connects according to claim 1 is characterized in that: the top of said plastic rubber bracket is provided with the line ball lid, line ball lid and plastic rubber bracket snapping.

3. a kind of firm electric connector that connects according to claim 2 is characterized in that: the both sides of said line ball lid are respectively arranged with inside buckle, and the both sides of said plastic rubber bracket are respectively arranged with the catching groove corresponding with buckle, buckle and catching groove snapping.

4. a kind of firm electric connector that connects according to claim 2; It is characterized in that: the rear portion of the upper surface of said plastic rubber bracket offers wire casing; The lower surface of said line ball lid offers down wire casing, and last wire casing constitutes the groove that supplies lead to pass through jointly with following wire casing.

5. a kind of firm electric connector that connects according to claim 4, it is characterized in that: the length of said groove is 0.5-3 centimetre.

6. a kind of firm electric connector that connects according to claim 1; It is characterized in that: the front portion of the upper surface of said plastic rubber bracket offers storage tank; The width of storage tank is equal to or slightly less than the width of said location division; The length of storage tank is equal to or slightly less than the length of location division, and the middle part of the upper surface of said plastic rubber bracket offers welding groove, and the width of welding groove is equal to or slightly less than the width of said weld part.

7. a kind of firm electric connector that connects according to claim 6 is characterized in that: the front end face of said plastic rubber bracket offers the through hole that supplies said conducting terminal to pass, and through hole is communicated with said storage tank.

8. a kind of firm electric connector that connects according to claim 1, it is characterized in that: said clamping part is made up of two shell fragments that bend inwards, and two shell fragments are individually fixed in the both sides of said location division.

9. according to any described a kind of firm electric connector that connects of claim 1 to 8, it is characterized in that: the both sides of the front portion of said plastic rubber bracket are respectively arranged with guide block, and the corresponding guide block in the both sides of said disposal area is provided with guide groove, and guide block is embedded at guide groove.

10. a kind of firm electric connector that connects according to claim 9, it is characterized in that: said guide block is provided with limited impression, and the corresponding limited impression of said guide groove is provided with circular-arc spacing preiection, and spacing preiection is arranged in limited impression.

Images