CN220172440U - Fool-proof connector - Google Patents

Abstract

The utility model relates to a fool-proof connector which comprises a male rubber shell, a plurality of male terminals respectively arranged in the male rubber shell, a female rubber shell matched with the male rubber shell, and a plurality of female terminals arranged in the female rubber shell and matched with the male terminals, wherein one end of each female terminal is provided with a contact piece, two elastic contact pieces are symmetrically arranged on each contact piece, a clamping cavity for clamping the male terminal is formed between each contact piece and each two elastic contact pieces, limiting convex blocks are respectively arranged in the female rubber shell corresponding to the two elastic contact pieces, each limiting convex block is provided with an insertion guide inclined plane matched with each elastic contact piece, and the two elastic contact pieces can slide onto the two limiting convex blocks along the insertion guide inclined planes respectively. The utility model has the advantages of simple structure, stable and reliable performance, reliable connection and convenient assembly.

Description

Fool-proof connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a foolproof connector.

Background

A connector is a device that connects two active devices and is used to transmit current or signals. The main mating fields of the electric connector include traffic, communication, network, IT, medical treatment, household appliances and the like, and the rapid development of the product technology level and the rapid growth of the market thereof in the mating fields strongly pull the development of the connector technology. Up to now, connectors have been developed into a series and specialization of products with complete product types, rich variety specifications, various structural types, subdivision in specialized directions, obvious industrial features, and standard system specifications. The connector comprises a male end assembly and a female end assembly, wherein the male end assembly comprises a male rubber shell and a male terminal arranged in the male rubber shell, the female end assembly comprises a female rubber shell and a female terminal arranged in the female rubber shell and matched with the male terminal, however, a fool-proof structure is not arranged between the female terminal of the existing connector and the female rubber shell, so that the female terminal is easily reversely arranged in the female rubber shell, and the connector is invalid. Moreover, the male terminal of the connector is not compact in connection with the male rubber shell, and the male terminal is easy to loose, so that the connector has the defect of unreliable connection.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the foolproof connector which has the advantages of simple structure, stable and reliable performance, reliable connection and convenient assembly.

In order to achieve the above purpose, the utility model adopts a foolproof connector, which comprises a male rubber shell, a plurality of male terminals respectively arranged in the male rubber shell, a female rubber shell matched with the male rubber shell, and a plurality of female terminals arranged in the female rubber shell and matched with the plurality of male terminals, wherein one end of each female terminal is provided with a contact piece, two elastic contact pieces are symmetrically arranged on each contact piece, a clamping cavity for clamping the male terminal is formed between each contact piece and each two elastic contact pieces, limiting convex blocks are respectively arranged in the female rubber shell corresponding to the two elastic contact pieces, each limiting convex block is provided with an insertion guide inclined surface matched with each elastic contact piece, and the two elastic contact pieces can slide onto the two limiting convex blocks along the insertion guide inclined surfaces respectively.

The beneficial effects of the structure are as follows: two limit lugs matched with the two elastic contact pieces are arranged in the masterbatch shell, and the clamping force of the two elastic contact pieces can be increased by the two limit lugs, so that the contact between the female terminal and the male terminal can be ensured to be more reliable. And the two limiting convex blocks play a foolproof role on the contact piece of the female terminal, and when the female terminal is reversely inserted, the two limiting convex blocks can limit the contact piece of the female terminal to be inserted into the female rubber shell, so that the reverse assembly of the female terminal and the female rubber shell can be avoided. Therefore, the fool-proof connector has the advantages of simple structure, stable and reliable performance, reliable connection and convenient assembly.

Specifically, male terminal one end have peg portion of grafting in the centre gripping intracavity, male terminal other end have and extend the outer L type portion of bending of public rubber shell, L type portion of bending afterbody has the welding foot, public rubber shell on be provided with L type portion of bending matched with spacing groove, L type portion of bending block in the spacing groove, and L type portion of bending and public rubber shell's spacing cooperation. The male terminal is provided with the L-shaped bending part clamped on the male rubber shell, so that the male terminal and the male rubber shell can be more compactly connected, loosening and falling of the male terminal can be avoided, and the working reliability of the connector can be improved.

Particularly, the male rubber shell is internally provided with an isolation convex strip for separating pin parts of a plurality of male terminals, the female rubber shell is provided with an isolation groove matched with the isolation convex strip, and the isolation convex strip is clamped in the isolation groove and forms limit fit of the isolation convex strip and the female rubber shell. The isolation convex strips can increase the insulation distance between the plurality of male terminals, thereby being beneficial to improving the working reliability of the connector.

Particularly, the female rubber shell on be provided with the guide way, public rubber shell in be provided with guide way matched with guide way, public rubber shell and female rubber shell when inserting, guide way block in the guide way, and constitute the spacing cooperation of guide way and female rubber shell. The guiding convex strips can play a guiding role on the masterbatch shell, so that the reverse assembly of the masterbatch shell and the masterbatch shell can be avoided, and the connector is beneficial to improving the working reliability.

Particularly, two sides of the masterbatch shell are respectively provided with a guide lug, the two guide lugs and the guide groove are distributed on the masterbatch shell in a ' Chinese character ' pin ' shape, a guide chute matched with the guide lug is arranged in the masterbatch shell, and when the masterbatch shell and the masterbatch shell are inserted in opposite directions, the guide lugs are clamped in the guide chute and form limit fit of the guide lugs and the masterbatch shell. The two guide convex blocks and the guide grooves are distributed in a 'delta' shape, so that the male rubber shell and the female rubber shell can be prevented from being assembled and sent out, and the female rubber shell and the male rubber shell can be ensured to be connected more compactly.

Drawings

Fig. 1 is a perspective view of a first view angle according to an embodiment of the present utility model.

Fig. 2 is a perspective view of a second view of an embodiment of the present utility model.

Fig. 3 is an exploded view of an embodiment of the present utility model.

Fig. 4 is a cross-sectional view of an embodiment of the present utility model.

Fig. 5 is a perspective view of a masterbatch housing according to an embodiment of the utility model.

Detailed Description

As shown in fig. 1 to 5, an embodiment of the present utility model is a foolproof connector, which includes a male rubber housing 10, a plurality of male terminals 11 respectively disposed in the male rubber housing 10, a female rubber housing 20 matched with the male rubber housing 10, and a plurality of female terminals 21 disposed in the female rubber housing 20 and matched with the plurality of male terminals 11, wherein one end of the female terminal 21 is provided with a contact piece 211, two elastic contact pieces 212 are symmetrically disposed on the contact piece 211, a clamping cavity 200 for clamping the male terminal 11 is formed between the contact piece 211 and the two elastic contact pieces 212, limiting bumps 201 are respectively disposed in the female rubber housing 20 corresponding to the two elastic contact pieces 212, and insertion guiding inclined planes 202 matched with the elastic contact pieces 212 are disposed on the limiting bumps 201, and the two elastic contact pieces 212 can slide onto the two limiting bumps 201 along the insertion guiding inclined planes 202. The male terminal 11 one end have peg portion 111 of grafting in holding chamber 200, the male terminal 11 other end have and extend the L type portion of bending 112 outside the male rubber shell 10, L type portion of bending 112 afterbody has and welds foot 113, male rubber shell 10 on be provided with L type portion of bending 112 matched with spacing groove 101, L type portion of bending 112 block in spacing groove 101, and L type portion of bending 112 and the spacing cooperation of male rubber shell 10. The male terminal is provided with the L-shaped bending part clamped on the male rubber shell, so that the male terminal and the male rubber shell can be more compactly connected, loosening and falling of the male terminal can be avoided, and the working reliability of the connector can be improved.

As shown in fig. 2 to 4, the male rubber housing 10 is provided therein with an isolation protrusion 102 spaced between the pin portions 111 of the plurality of male terminals 11, the female rubber housing 20 is provided thereon with an isolation groove 203 in which the isolation protrusion 102 is engaged, and the isolation protrusion 102 is engaged with the isolation groove 203 and forms a limit engagement between the isolation protrusion 102 and the female rubber housing 20. The isolation convex strips can increase the insulation distance between the plurality of male terminals, thereby being beneficial to improving the working reliability of the connector. The female rubber shell 20 on be provided with guide slot 204, public rubber shell 10 in be provided with guide slot 204 matched with guide rib 103, public rubber shell 10 and female rubber shell 20 when inserting, guide rib 103 block in guide slot 204, and constitute guide rib 103 and the spacing cooperation of female rubber shell 20. The guiding convex strips can play a guiding role on the masterbatch shell, so that the reverse assembly of the masterbatch shell and the masterbatch shell can be avoided, and the connector is beneficial to improving the working reliability. The two sides of the masterbatch shell 20 are respectively provided with a guide lug 205, the two guide lugs 205 and the guide groove 204 are distributed on the masterbatch shell 20 in a 'Chinese character' shape, the public rubber shell 10 is internally provided with a guide chute 104 matched with the guide lug 205, when the public rubber shell 10 and the masterbatch shell 20 are inserted, the guide lugs 205 are clamped in the guide chute 104, and the guide lugs 205 and the masterbatch shell 20 are in limit fit. The two guide convex blocks and the guide grooves are distributed in a 'delta' shape, so that the male rubber shell and the female rubber shell can be prevented from being assembled and sent out, and the female rubber shell and the male rubber shell can be ensured to be connected more compactly.

Two limit lugs matched with the two elastic contact pieces are arranged in the masterbatch shell, and the clamping force of the two elastic contact pieces can be increased by the two limit lugs, so that the contact between the female terminal and the male terminal can be ensured to be more reliable. And the two limiting convex blocks play a foolproof role on the contact piece of the female terminal, and when the female terminal is reversely inserted, the two limiting convex blocks can limit the contact piece of the female terminal to be inserted into the female rubber shell, so that the reverse assembly of the female terminal and the female rubber shell can be avoided. Therefore, the fool-proof connector has the advantages of simple structure, stable and reliable performance, reliable connection and convenient assembly.

Claims (5)

1. The utility model provides a prevent slow-witted connector, includes public gum shell, sets up a plurality of public terminals in public gum shell respectively, with public gum shell matched with masterbatch shell, sets up in masterbatch shell and with a plurality of public terminal matched with a plurality of female terminals, its characterized in that: the female terminal one end have the contact piece, the symmetry is provided with two elastic contact pieces on the contact piece, is formed with the centre gripping chamber that is used for pressing from both sides tight male terminal between contact piece and the two elastic contact pieces, female rubber shell in correspond two elastic contact pieces and be provided with spacing lug respectively, and have on the spacing lug with elastic contact piece matched with insert the direction inclined plane, two elastic contact pieces can slide to two spacing lugs along inserting the direction inclined plane respectively.

2. The fool-proof connector of claim 1, wherein: the male terminal one end have peg portion of pegging graft in the centre gripping intracavity, the male terminal other end have and extend the outer L type portion of bending of public rubber shell, L type portion afterbody of bending has and welds the foot, public rubber shell on be provided with L type portion matched with spacing groove of bending, L type portion of bending block in the spacing inslot, and L type portion of bending and public rubber shell's spacing cooperation.

3. The fool-proof connector of claim 2, wherein: the male rubber shell in be provided with the isolation sand grip of separating between the contact pin portion of a plurality of male terminals, the masterbatch shell on be provided with isolation sand grip matched with isolation groove, isolation sand grip block in the isolation groove, and constitute the spacing cooperation of isolation sand grip and masterbatch shell.

4. Foolproof connector according to claim 1 or 2, characterized in that: the female rubber shell on be provided with the guide way, public rubber shell in be provided with guide way matched with guide way, public rubber shell and female rubber shell when inserting, guide way block in the guide way, and constitute the spacing cooperation of guide way and female rubber shell.

5. The fool-proof connector of claim 4, wherein: the two sides of the masterbatch shell are respectively provided with a guide lug, the two guide lugs and the guide groove are distributed on the masterbatch shell in a 'delta' shape, the public rubber shell is internally provided with a guide chute matched with the guide lug, and when the public rubber shell and the masterbatch shell are inserted, the guide lugs are clamped in the guide chute and form limit fit of the guide lugs and the masterbatch shell.