CN220253553U - Shielding shell for integrated connector and connector - Google Patents

Abstract

The utility model discloses a shielding shell for an integrated connector, which comprises a shielding shell which has no connection boundary line and is in an integrated structure; the wide surface of the shielding shell is provided with a window for the contact part to leak outwards; the shielding shell is of a hollow structure, a containing cavity for inserting and containing and fixing the PCB is formed in the hollow structure, and the window is communicated with the containing cavity; the side wall of the accommodating cavity is provided with a clamping groove for clamping and fixing the PCB; the front end of the shielding shell is of a flat structure to form an insertion end for being inserted into a connection port of external electronic equipment, the rear end of the shielding shell is of a connection end with an opening for connecting a cable, the thickness of the connection end is larger than that of the insertion end, and the insertion end is connected with the connection end through at least one step structure. The shielding shell integrated structure of the utility model realizes no butt joint gap, good shielding effect and strong compression resistance and bending resistance. In addition, the utility model also discloses a connector with the shielding shell.

Description

Shielding shell for integrated connector and connector

Technical Field

The present utility model relates to a shielding case for a connector, and more particularly, to an integrally formed shielding case for a connector.

Background

The connector is internally provided with a PCB board, and the PCB realizes the transmission of current or/and data between two connected electronic devices through terminals on the PCB board. In the use process, external electromagnetic signals easily interfere circuits inside the connector to influence the reliability of signal transmission, in the prior art, a shielding shell structure is usually additionally arranged outside the connector to resist external electromagnetic interference, but the positioning and assembling difficulty of the shielding shell is high. For example, chinese patent publication No. CN217589653U discloses an integrally formed Type-C shielding shell, where the shielding shell is a planar shielding shell that is formed and unfolded integrally, and then is bent into a three-dimensional shielding shell that is sleeved outside the PCB board, a clamping bump is protruding on one side, a clamping slot is opened on the other side, and the shielding shell is connected in a butt joint manner outside the PCB board by butt joint of the clamping bump and the clamping slot. Because the shielding shell formed by bending is always in a gap in butt joint with two sides, magnetic leakage is generated, and the shielding effect is poor. The gap that this kind of butt joint formed, on the one hand, when making shield shell inside support or fill, it has the trend of outwards extension, thereby make the gap grow, the magnetic leakage is showing, the shielding effect is worse, make this kind of shield shell can't carry out effectual fixed to the PCB board that needs cladding, and then make the PCB board can rock in the shield shell, based on this, this patent document is fixed to the PCB board through the elasticity butt pressure of inwards protruding a plurality of cantilever spring pieces on the shield shell, elastic block and elastic clamping board etc. elastic claw, and then make the firm cladding of shield shell outside the PCB board, but increased the manufacturing degree of difficulty and the structure complexity of shield shell, also increased its and the loaded down with trivial details nature of PCB board equipment simultaneously. In addition, the above-cited patent is not a true integrated structure, but is only a planar shield shell formed and unfolded integrally, and the shield shell needs to be folded and butted to form a three-dimensional shield shell for use.

Therefore, there is a need for a shield shell for an integrated connector that has no butt joint gap, an integrated structure, a good shielding effect, and a strong compression and bending resistance.

Disclosure of Invention

The utility model aims to provide a shielding shell for an integrated connector, which has the advantages of no butt joint gap, an integrated structure, good shielding effect and strong compression resistance and bending resistance.

Another object of the present utility model is to provide a connector having a shield shell for an integrated connector which has no butt joint gap, an integrated structure, a good shielding effect and a strong resistance to compression and bending.

In order to achieve the above object, the present utility model provides a shield shell for an integrated connector, which is used for being coated outside a PCB board of the connector and leaking out a contact portion of a terminal of the connector, wherein the shield shell for an integrated connector comprises a shield shell having an integrated structure without connection boundary lines; the wide surface of the shielding shell is provided with a window for the contact part to leak outwards; the shielding shell is of a hollow structure, the hollow structure forms a containing cavity for inserting and containing and fixing the PCB, and the window is communicated with the containing cavity; a clamping groove for clamping and fixing the PCB is formed in the side wall of the storage cavity; the front end of the shielding shell is of a flat structure to form an insertion end for being inserted into a connecting port of external electronic equipment, the rear end of the shielding shell is of a connecting end with an opening and used for connecting a cable, the thickness of the connecting end is larger than that of the insertion end, and the insertion end is connected with the connecting end through at least one step structure.

Preferably, in the shield case for an integrated connector of the present utility model, the opening extends longitudinally to form the receiving cavity.

Preferably, in the shielding shell for an integrated connector of the present utility model, the insertion end has a positive and negative insertion structure.

Preferably, in the shield shell for an integrated connector of the present utility model, one side of the insertion end is connected with the connection end on the same side by a step structure; the other side of the insertion end is connected with the connecting end on the same side by a continuous two-step structure.

Preferably, in the shield shell for the integrated connector of the present utility model, the shield shell has an alloy structure.

Preferably, in the shielding shell for the integrated connector, the cross section of the connecting end is in a closed-loop structure.

Preferably, in the shielding shell for the integrated connector, the connecting end is provided with a notch.

Preferably, in the shielding shell for the integrated connector, the connecting end is provided with the reinforcing rib.

The utility model provides a connector, which comprises a PCB and the shielding shell for the integrated connector, wherein the PCB is inserted and fixed in the clamping groove and is accommodated in the accommodating cavity, and the contact part of the terminal of the PCB is leaked outside the window.

Preferably, the connector of the present utility model is an expansion connector or a standard, mini, micro, lightning, type-C USB connector.

Compared with the prior art, the shielding shell for the integrated connector and the connector with the shielding shell for the integrated connector have the advantages that the shielding shell for the integrated connector has no connection boundary and is of an integrated structure formed integrally, namely, the shielding shell is of a three-dimensional structure formed at one time, and no gap is generated in butt joint in the prior art; on one hand, the magnetic leakage phenomenon caused by the existence of the butt joint gap is avoided, and the shielding effect is greatly improved; on the other hand, there is a restraining force sufficient to restrain the inner member thereof against the outside. The shielding shell is of a hollow structure and forms the accommodating cavity for inserting and accommodating and fixing the PCB, the side wall of the accommodating cavity is provided with the clamping groove for clamping and fixing the PCB, and the shielding shell has a restraining force which is enough to restrain the internal part of the shielding shell from outwards propping, so that the PCB accommodated in the shielding shell can be clamped through the clamping groove, and can be effectively and stably fixed without arranging any elastic claw for elastically propping and fixing the PCB in the prior art under the restraining force of the shielding shell. The shielding shell of the shielding shell has no connection boundary and is of an integrally formed integral structure, namely, the shielding shell of the shielding shell is of a one-step formed three-dimensional structure, and the shielding shell is positioned at the outermost part of the connector, so that the connector has strong compression resistance and bending resistance. In addition, the shielding shell with the integrated structure coats the PCB, so that the PCB and the shielding shell are electrically connected by the clamping groove, the grounding effect is realized, the interference of external electromagnetic waves on the connector is greatly reduced, even the interference is degraded to zero, and the practicability is high. Therefore, the utility model effectively realizes the positive technical effects of no butt joint gap, an integrated structure, good shielding effect and strong compression resistance and bending resistance of the shielding shell and the connector for the integrated connector.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the connector of the present utility model.

Fig. 2 is another angular schematic view of fig. 1.

Fig. 3 is an exploded schematic view of fig. 1.

Fig. 4 is a schematic structural view of the shield case for the integrated connector in fig. 1.

Fig. 5 is another angular structural schematic diagram of fig. 4.

Fig. 6 is another angular structural schematic diagram of fig. 5.

Fig. 7 is a cross-sectional view taken along line A-A of fig. 6.

Fig. 8 is a side view of fig. 4.

Fig. 9 is a schematic structural view of a shield case for an integrated connector according to an embodiment of the present utility model.

Fig. 10 is another angular structural schematic diagram of fig. 9.

Fig. 11 is a front view of fig. 9.

Fig. 12 is a rear view of fig. 9.

Fig. 13 is a side view of fig. 9.

Detailed Description

The technical solutions in the embodiments of the present application are clearly and completely described below with reference to specific embodiments and the accompanying drawings, and the technical solutions of the present utility model are illustrated and described. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure. The following describes the embodiments of the present utility model in detail with reference to the drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below. Embodiments of the present utility model will now be described with reference to the drawings, wherein like reference numerals represent like elements throughout.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

As shown in fig. 1 to 3, the connector 100 of the present utility model includes a PCB board 1 and a shield case 2 for an integrated connector which is wrapped around the PCB board 1 and has a contact portion 11 of a terminal thereof leaking. Specifically, the PCB board 1 is inserted and fixed in the integrated shielding shell 2 for the connector, and the integrated shielding shell 2 for the connector is in a three-dimensional structure through one-step molding, and has no butt joint and welding seams, so that the magnetic leakage can be effectively prevented, the shielding effect can be improved, and the compression resistance and the slit bending resistance of the connector 100 can be greatly enhanced; furthermore, the shielding shell 2 for the integrated connector is preferably manufactured by adopting zinc alloy through integral die casting, and the compressive deformation strength is more than or equal to 210N (N: newton units), compared with the existing shielding shell through welding and concave-convex matching, the compressive deformation strength of the shielding shell is increased by at least one time (the compressive deformation strength of the existing shielding shell is about 100N). Specifically, the connector 100 of the present utility model is an expansion connector or a standard, mini, micro, lightning, type-C specification USB connector.

The connector 100 and the shield case 2 for an integrated connector according to the present utility model will be described in further detail with reference to fig. 1 to 13:

as shown in fig. 1 to 13, the shield case 2 for an integrated connector of the present utility model is wrapped around the PCB board 1 of the connector 100 and the contact portion 11 of the terminal of the connector is leaked. The shield case 2 for an integrated connector of the present utility model includes a shield case 21 having an integrated structure formed integrally without a connection boundary; the wide surface of the shielding shell 21 is provided with a window 22 for the contact 11 to leak. The shielding shell 21 is of a hollow structure, the hollow structure forms a containing cavity 23 for inserting and containing the PCB 1, the window 22 is communicated with the containing cavity 23, so that the contact part 11 of the terminal of the PCB 1 contained in the containing cavity 23 leaks outwards through the window 22, and the purpose of plugging and conducting with a connecting port of external electronic equipment is achieved. The side wall of the accommodating cavity 23 of the shielding shell 21 is provided with a clamping groove 24 for clamping and fixing the PCB 1. The front end of the shielding shell 21 is flat to form an insertion end 21a for being inserted into a connection port of an external electronic device, the rear end of the shielding shell 21 is a connection end 21b with an opening 25 for connecting a cable, and when the shielding shell is assembled, the PCB 1 gradually enters the accommodating cavity 23 through being inserted into the opening 25 and is inserted and fixed along the clamping groove 24; specifically, the side 12 of the board body of the PCB board 1 is clamped in the clamping groove 24. The thickness of the connecting end 21b is greater than that of the inserting end 21a, the inserting end 21a is connected with the connecting end 21b by at least one step structure 26, and the thickness drop between the connecting end 21b and the inserting end 21a is transited by the step structure 26.

It should be noted that fig. 4-8 show a first embodiment of the shield shell 2 for an integrated connector according to the present utility model, and fig. 9-13 show a second embodiment of the shield shell 2 for an integrated connector according to the present utility model, and the essential difference between the first embodiment and the second embodiment is that the second embodiment is provided with a notch 27 at the connection end 21b of the first embodiment.

As shown in fig. 1 to 13, in the shield case 100 for an integrated connector of the present utility model, the opening 25 is extended longitudinally to form the receiving cavity 23, so that the inner wall of the receiving cavity 23 has a smooth structure.

As shown in fig. 1 to 13, in the shield case 100 for an integrated connector of the present utility model, the insertion end 21a has a positive and negative insertion structure, that is, the front and back (i.e., back) surfaces of the insertion end 21a have the same structure, so that the connector 100 of the present utility model can be used at will without distinguishing between the positive and back surfaces.

As shown in fig. 4, 8 and 13, in the shield case 100 for an integrated connector of the present utility model, one side of the insertion end 21a is connected to the connection end 21b on the same side by a step structure 26; the other side of the insertion end 21a is connected to the connection end 21b on the same side by means of a continuous two-step structure 26.

Preferably, in the shield case 100 for an integrated connector of the present utility model, the shield case 21 has an alloy structure; more specifically, the shield case 21 of the present utility model is manufactured by integral die casting of zinc alloy.

As shown in fig. 6 and 7, in the shield case 100 for an integrated connector of the present utility model, the cross section of the connection end 21b has a closed-loop structure; the connection end 21b having a closed cross section makes it possible to provide a sufficient restraining force for the PCB board 1 therein on the one hand and to protect the soldered portion of the connected cable on the other hand.

As shown in fig. 9 to 11, in the shield case 100 for an integrated connector of the present utility model, the connection end 21b is provided with a notch 27; the notch 27 can be used for more conveniently welding the PCB 1 and the cable.

As shown in fig. 4, 5, 7 and 12, in the shield case 100 for an integrated connector of the present utility model, the connection end 21b is provided with a reinforcing rib 28; the reinforcing ribs 28 further enhance the pressure and bending resistance of the shield case 100 for the integrated connector of the present utility model.

As shown in fig. 1 to 13, the shield case 2 for an integrated connector and the connector 100 having the shield case 2 for an integrated connector according to the present utility model have no connection boundary and are in an integrated structure formed integrally, i.e., the shield case 21 of the present utility model is in a three-dimensional structure formed once, and no gap is generated as in the prior art; on one hand, the magnetic leakage phenomenon caused by the existence of the butt joint gap is avoided, and the shielding effect is greatly improved; on the other hand, there is a restraining force sufficient to restrain the inner member thereof against the outside. The shielding shell 21 is of a hollow structure and forms the accommodating cavity 23 for inserting and accommodating and fixing the PCB 1, the side wall of the accommodating cavity 23 is provided with the clamping groove 24 for clamping and fixing the PCB 1, and the shielding shell 21 has a restraining force which is enough to restrain the internal parts of the shielding shell 21 from outwards propping, so that the PCB 1 accommodated in the shielding shell 21 can be clamped through the clamping groove 24, and can also effectively and stably fix the PCB 1 without arranging any elastic claw for elastically propping and fixing the PCB 1 in the restraining force of the shielding shell 21. The shielding shell 21 of the shielding shell has no connection boundary and is in an integrally formed integral structure, namely, the shielding shell 21 of the shielding shell is in a one-step formed three-dimensional structure, and the shielding shell 21 is positioned at the outermost part of the connector 100, so that the connector 100 of the utility model has strong compression resistance and bending resistance. In addition, the shielding shell 21 with the integrated structure of the utility model coats the PCB 1, so that the PCB 1 and the shielding shell 21 are electrically connected by the clamping groove 24, thereby realizing the grounding effect, further greatly reducing the interference of external electromagnetic waves on the connector, even degrading to zero, and having strong practicability. Therefore, the utility model effectively realizes the positive technical effects of no butt joint gap, an integrated structure, good shielding effect and strong compression resistance and bending resistance of the shielding shell 2 and the connector 100 for the integrated connector.

The specific structure and operation of the PCB board 1 according to the present utility model are well known to those skilled in the art, and will not be described in detail herein.

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. Meanwhile, the above disclosure is only of the preferred embodiments of the present utility model, and it is needless to say that the scope of the claims is not limited thereto, and therefore, the present utility model is not limited thereto except as by the claims.

Claims (10)

1. The utility model provides a shield shell for integral type connector for cladding outside the PCB board of connector and make the contact portion of connector leak outward, its characterized in that, shield shell for integral type connector includes the shield shell that does not have the connection boundary and takes the integrated form of integral type structure; the wide surface of the shielding shell is provided with a window for the contact part to leak outwards; the shielding shell is of a hollow structure, the hollow structure forms a containing cavity for inserting and containing and fixing the PCB, and the window is communicated with the containing cavity; a clamping groove for clamping and fixing the PCB is formed in the side wall of the storage cavity; the front end of the shielding shell is of a flat structure to form an insertion end for being inserted into a connecting port of external electronic equipment, the rear end of the shielding shell is of a connecting end with an opening and used for connecting a cable, the thickness of the connecting end is larger than that of the insertion end, and the insertion end is connected with the connecting end through at least one step structure.

2. The shield shell for an integrated connector according to claim 1, wherein said opening extends longitudinally to form said receiving cavity.

3. The shield shell for an integrated connector according to claim 1, wherein said insertion end has a positive and negative insertion structure.

4. The shield shell for an integrated connector according to claim 1, wherein one side of said insertion end and said connection end on the same side are connected by a step structure; the other side of the insertion end is connected with the connecting end on the same side by a continuous two-step structure.

5. The shield shell for an integrated connector according to claim 1, wherein the shield shell has an alloy structure.

6. The shield shell for an integrated connector according to claim 1, wherein the cross section of the connection end has a closed-loop structure.

7. The shield shell for an integrated connector according to claim 1, wherein said connection end is notched.

8. The shield shell for an integrated connector according to claim 1, wherein the connection end is provided with a reinforcing rib.

9. A connector, comprising a PCB board and the shield case for an integrated connector according to any one of claims 1 to 8, wherein the PCB board is inserted and fixed in the card slot and is accommodated in the accommodating cavity, and a contact portion of a terminal of the PCB board is leaked outside the window.

10. The connector of claim 9, wherein the connector is an expansion connector or a standard, mini, micro, lightning, type-C specification USB connector.