CN221102610U - Electric connector - Google Patents

Abstract

The utility model discloses an electric connector, which aims to solve the technical problem that a circuit is easy to damage in the moving process of a bare PCB in the prior art, and the circuit is easy to break in the using process of the electric connector.

Description

Electric connector

Technical Field

The utility model belongs to the field of electric connector assembly, and particularly relates to an electric connector.

Background

With the increasing functions of electrical connectors, the assembly of PCB boards on electrical connectors has become a trend. As shown in FIG. 1, the welding end of the existing electric connector is assembled with the PCB 1', the welding pins of the terminal 2' in the electric connector are correspondingly welded on the PCB 1', and the PCB 1' is exposed after the PCB 1' is welded with the terminal 2', so that the exposed circuit on the PCB 1' is easy to be damaged in the process of welding wires or other circuit components in the next procedure of conveying the exposed PCB 1' from the assembly line, and the breakage condition of the PCB 1' occurs in the subsequent use process.

Disclosure of utility model

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide an electric connector, which aims to solve the technical problems that a circuit is easy to damage in the moving process of a bare PCB in the prior art and the PCB breaks in the using process.

(2) Technical proposal

The utility model provides an electric connector, includes electric connector main part, coupling assembling, PCB board and the protective housing that has grafting end and welding end, electric connector main part includes shell body and interior casing, the protective housing includes epitheca and inferior valve, be equipped with at least one first arch on the epitheca, be equipped with at least one with first protruding size, the first recess that position suited on the inferior valve, through first arch corresponds inserts first recess makes the epitheca with the inferior valve combines to obtain and is the tube-shape the protective housing is in order to be used for covering the PCB board.

Further, the upper shell is provided with an upper bulge, the lower shell is provided with a lower bulge, and the inner shell is provided with an upper groove and a lower groove.

Further, the number of the upper protrusions is two, and the number of the lower protrusions is two.

Further, the connecting assembly comprises an upper conductive group, a middle conductive sheet and a lower conductive group, wherein the upper conductive group comprises a plurality of upper terminals, and the lower conductive group comprises a plurality of lower terminals.

Further, a channel into which the upper terminal and the lower terminal can be inserted is provided in the inner housing.

Further, the lower shell is provided with a half slot, the upper shell is provided with a buckling piece, the shape and the size of the half slot are matched with those of the buckling piece, and the buckling piece is correspondingly buckled in the buckling slot to connect the upper shell and the lower shell.

Further, the lower shell is provided with a plurality of clamping grooves, and the upper shell is provided with a plurality of buckles.

Further, the buckle is provided with an inclined limiting protrusion.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

The utility model discloses an electric connector main body, which comprises an outer shell and an inner shell, wherein the protective shell comprises an upper shell and a lower shell, at least one first bulge is arranged on the upper shell, at least one first groove which is matched with the first bulge in size and position is arranged on the lower shell, the first bulge is correspondingly inserted into the first groove, so that the upper shell and the lower shell are combined to form a cylindrical protective shell for covering a PCB.

Drawings

Fig. 1: three-dimensional structure diagram of prior art electrical connectors.

Fig. 2: the utility model relates to a three-dimensional structure diagram of a main body and a protective shell of an electric connector.

Fig. 3: the utility model provides a cross-section of an electrical connector body and a protective shell.

Fig. 4: the utility model relates to a three-dimensional structure diagram of a lower shell half-package PCB.

Fig. 5: an exploded view of the electrical connector body of the present utility model.

Fig. 6: the embodiment of the utility model provides a three-dimensional structure diagram of a protective shell.

Fig. 7: an embodiment of the utility model provides an exploded view of a protective shell.

Fig. 8: an explosion diagram of a protective housing of the second embodiment of the utility model.

Fig. 9: explosion diagram of the three protective cases of the embodiment of the utility model.

The components in the drawings are marked as follows: 1-an electrical connector body; 11-an outer shell; 111-upper groove; 112-a lower groove; 12-an inner housing; 121-channel; a 2-connection assembly; 21-upper conductive group; 211-upper terminals; 22-middle conductive sheet; 23-lower conductive group; 231-lower terminals; 3-a PCB board; 4-a protective shell; 41-an upper shell; 411-first protrusions; 412-upper bump; 413-snap-fit tabs; 414-snap; 415-limit bump; 42-lower shell; 421-first groove; 422-lower bump; 423-half slotting; 424-card slot.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model;

please refer to fig. 2-9;

Fig. 2-7 show an electrical connector according to a first embodiment of the present utility model, including an electrical connector body 1 having a plugging end and a welding end, a connection assembly 2, a PCB board 3, and a protective housing 4, where the electrical connector body 1 includes an outer housing 11 and an inner housing 12, as shown in fig. 7, the protective housing 4 includes an upper housing 41 and a lower housing 42, at least one first protrusion 411 is disposed on the upper housing 41, at least one first groove 421 corresponding to the size and the position of the first protrusion 411 is disposed on the lower housing 42, the first protrusion 411 is correspondingly inserted into the first groove 421, so that the upper housing 41 and the lower housing 42 are combined to form a cylindrical protective housing 4 for covering the PCB board 3, and when the electrical connector is transported or conveyed on a production line, the protective housing 4 effectively protects the circuit and the electronic components on the PCB board 3, thereby effectively preventing the circuit and the electronic components on the PCB board 3 from being damaged, greatly improving the service life and the service quality of the PCB board 3, and directly completing the welding, and directly completing the assembly of the PCB board 3 and the wire assembly, and the assembly process of the protective housing 4 is convenient, and the assembly of the protective housing 4 is easy.

Specifically, the upper case 41 is provided with two upper protrusions 412, the lower case 42 is provided with two lower protrusions 422, the upper protrusions 412 and the lower protrusions 422 extend toward the outer case 11 and are close to the outer case 11, the inner case 12 is provided with an upper groove 111 and a lower groove 112, the upper groove 111 corresponds to the upper protrusions 412 in size and position, the lower groove 112 corresponds to the lower protrusions 422 in size and position, when in assembly processing, the lower case 42 (or the upper case 41) and the outer case 11 are combined to protect the exposed PCB 3, so that the semi-bare PCB 3 is obtained, after the semi-bare PCB 3 is transferred from the assembly line to the next process for welding wires or other circuit components, the upper protrusion 412 of the upper case 41 (or the lower protrusion 422 of the lower case 42) is inserted into the upper groove 111 (or the lower groove 112) of the inner case 12, and simultaneously the first protrusion 411 of the upper case 41 is inserted into the first groove 421 of the lower case 42, so that the PCB 3 is completely wrapped and assembled with the electrical connector main body 1, the upper case 41, the lower case 42 and the outer case 11 are simple in structure, rapid in assembly, and the protection effect on the PCB 3 is improved, and after the protective case 4 is integrally assembled and connected with the outer case 11, the structure is stable, and the electromagnetic shielding effect is better.

As shown in fig. 3 and 5, the connection assembly 2 includes an upper conductive group 21, a middle conductive sheet 22, and a lower conductive group 23, the upper conductive group 21 includes a plurality of upper terminals 211, the lower conductive group 23 includes a plurality of lower terminals 231, a channel 121 is provided in the inner housing 12 for inserting the upper terminals 211 and the lower terminals 231, it is to be noted that the upper terminals 211 are elastic sheets with high resilience and high conductivity, the upper terminals 211 and the lower terminals 231 are configured in the inner housing 12 in a vertically symmetrical manner, the upper terminals 211, the middle conductive sheet 22, and the lower terminals 231 are inserted into the inner housing 12, the plurality of upper terminals 211 and the plurality of lower terminals 231 are arranged in parallel and are located between the middle conductive sheet 22 in the vertical direction, the three terminals are not electrically connected to each other, the upper terminals 211 and the lower terminals 231 are welded to the corresponding PCB board 3, the upper terminals 211 and the lower terminals 231 are electrically connected to the PCB board 3, the working stability of the electrical connector is ensured, and when the upper terminals 211, the lower terminals 22 and the middle conductive sheet and the lower terminals 231 are electrically connected to each other, or the upper terminals and the lower terminals and the middle conductive sheet and the lower conductive sheet are not electrically connected.

As shown in fig. 8, in the second embodiment of the present utility model, the difference between the first embodiment and the second embodiment is that the lower case 42 is provided with a half slot 423, the upper case 41 is provided with a fastening piece 413, the shape of the half slot 423 is adapted to the shape, size and position of the fastening piece 413, the fastening piece 413 is fastened in the fastening slot correspondingly to connect the upper case 41 and the lower case 42, and the fastening manner that the fastening piece 413 is fastened in the half slot 423 and then is mutually matched ensures the stability of the assembly structure of the protective case 4.

As shown in fig. 9, in the third embodiment of the present utility model, the difference between the first embodiment and the second embodiment is that the lower case 42 is provided with a plurality of slots 424, the upper case 41 is provided with a plurality of buckles 414, the buckles 414 are provided with inclined limit protrusions 415, and when the buckles 414 are aligned with the slots 424, the inclined limit protrusions 415 provide guiding function for the buckles 414, and the buckles 414 are snapped into the slots 424 to limit the buckles in the slots 424, so that the assembly structure of the protective case 4 is more stable.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the embodiments of the disclosure may be suitably combined to form other embodiments as will be understood by those skilled in the art.

Claims (8)

1. An electric connector, including electric connector main part (1) that has grafting end and welding end, coupling assembling (2), PCB board and protective housing (4), its characterized in that: the electric connector main body (1) comprises an outer shell (11) and an inner shell (12), the protective shell (4) comprises an upper shell (41) and a lower shell (42), at least one first protrusion (411) is arranged on the upper shell (41), at least one first groove (421) which is adaptive to the size and the position of the first protrusion (411) is arranged on the lower shell (42), and the first groove (421) is correspondingly inserted through the first protrusion (411) so that the upper shell (41) and the lower shell (42) are combined to form a cylinder-shaped protective shell (4) for covering the PCB.

2. An electrical connector as in claim 1 wherein: the upper shell (41) is provided with an upper bulge (412), the lower shell (42) is provided with a lower bulge (422), and the inner shell (12) is provided with an upper groove (111) and a lower groove (112).

3. An electrical connector as in claim 2 wherein: the number of upper protrusions (412) is two and the number of lower protrusions (422) is two.

4. An electrical connector as in claim 3 wherein: the connecting assembly (2) comprises an upper conductive group (21), a middle conductive sheet (22) and a lower conductive group (23), wherein the upper conductive group (21) comprises a plurality of upper terminals (211), and the lower conductive group (23) comprises a plurality of lower terminals (231).

5. An electrical connector as in claim 4 wherein: a passage (121) into which the upper terminal (211) and the lower terminal (231) can be inserted is provided in the inner case (12).

6. An electrical connector as in claim 5 wherein: the lower shell (42) is provided with a half slot (423), the upper shell (41) is provided with a buckling piece (413), the shape of the half slot (423) is matched with the shape, the size and the position of the buckling piece (413), and the buckling piece (413) is correspondingly buckled in the buckling slot to connect the upper shell (41) and the lower shell (42).

7. An electrical connector as in claim 6 wherein: the lower shell (42) is provided with a plurality of clamping grooves (424), and the upper shell (41) is provided with a plurality of buckles (414).

8. An electrical connector as in claim 7 wherein: the buckle (414) is provided with an inclined limiting protrusion (415).