JP3109261U - Shield and connector with shield - Google Patents

Abstract

A shield and a connector including the shield are provided.
The shield includes an outer shield (80), an extension wall (83) is extended downward from both side walls of the outer shield, a first engaging portion (84) is provided on the extension wall, and both rear sides of the outer shield are facing forward. A bent wall 87 is provided by folding, and the outer wall surface of the bent wall is in contact with the inner wall surface of the extending wall, and the second engaging portion 88 that engages with the first engaging portion is engaged with the bent wall and is fixed to the external substrate. The fixing pin 85 is provided, and the two engaging portions are stabilized from beginning to end, and the shield is stable from beginning to end by extending outwardly of the bent wall and inwardly locking the extending wall. In addition, it is in a reliable engagement state and does not deform or expire.
[Selection] Figure 4

Description

  The present invention relates to a shield and a connector equipped with a shield, and more particularly to a shield and a connector equipped with a shield that can be reliably and stably engaged and do not deform or expire.

  A digital connector is a kind of component that a digital engineer makes regular contact with, and its operation is very simple, that is, when the circuit is interrupted or between isolated and disconnected circuits, and serves as a communication bridge. In order to achieve a predetermined function of the circuit.

  A digital connector often seen has a plastic case, a plurality of terminals are accommodated inside, and the outside is covered with a shield. Both side walls of the shield are extended downward to form extended walls, an engagement hole is formed in each extended wall, and a fixing pin is extended downward from each extended wall and is fixed to the external substrate. A well-known digital connector is assembled to the substrate. Both sides of the shield's rear wall are folded forward and stretched to form folded walls, each folded wall is formed with an engagement block protruding inward, and the inner wall of the folded wall is tightly fitted to the corresponding outer wall of the stretched wall The above-mentioned engagement block engages inward in the corresponding engagement hole, whereby the shield is integrally engaged to accommodate the above-described plastic case.

  However, the folding wall of the well-known shield described above has a certain elastic recovery force because it is formed by bending, and has a tendency to spread outward. For this reason, in the known digital connector of such a design, the bending wall of the shield is deformed and expanded outward due to improper application force during assembly, so that the engagement block of the bending wall is detached from the engagement hole of the extension wall. This prevents the shield from being united by a stable and reliable engagement.

  A first object of the present invention is to provide a shield that is strong and united with reliable engagement and does not cause deformation and expiration.

  A second object of the present invention is to provide a connector having a shield that is strong and integrated with reliable engagement and does not cause deformation and expiration.

  In order to achieve the first object described above, the present invention provides a kind of shield, which includes an outer shield, and extending walls are extended downward from both side walls of the outer shield, and the first engaging portion is extended to the extending wall. The fixing pin is extended downward from each extending wall, the both sides of the rear side of the outer shield are folded forward to provide a bending wall, and each bending wall is provided with a second engaging portion, and the bending wall The outer wall surface and the inner wall surface of the extending wall abut against each other, and the first engaging portion and the second engaging portion are correspondingly engaged with each other.

  In order to achieve the second object, the present invention provides a connector having the above-mentioned shield, and the connector further includes a plastic case, and a plurality of terminals are fixed inside the plastic case, and the outside of the plastic case is It is assumed that it is covered with the shield described above.

  In order to improve the present invention, the first engagement portion of the shield described above is an engagement hole, and the second engagement portion is an engagement block corresponding to the engagement hole and protruding outward.

  In order to improve the present invention, the first engagement portion of the shield described above is an engagement block protruding inward, and the second engagement portion is an engagement hole corresponding thereto.

  In order to improve the present invention, the above-described shield further includes an inner shield, and the outer shield covers the outside of the inner shield.

  In order to improve the present invention, a plurality of suspension elastic pieces are provided on the inner shield of the above-mentioned shield, and the free ends of the suspension elastic pieces are bent and extended toward the inside of the above-mentioned inner shield. Retraction holes corresponding to the suspension elastic pieces of the inner shield are provided.

  In order to improve the present invention, a position limiting groove is formed on the outer surface of the plastic case of the connector, the front end of the position limiting groove is closed, the rear end communicates with the outside world, and the inner shield A position limiting piece corresponding to the position limiting groove is provided, and the position limiting piece is inclined downward and is fitted into the position limiting groove.

  In order to improve the present invention, a pair of parallel-installed bottom plates projecting forward is provided on the front end surface of the plastic case of the connector, and a positioning guide groove is provided between the two bottom plates. The rear end is closed, the front end communicates with the outside world, the bottom wall of the inner shield is extended downward to form a position limiting column, and the position limiting column is inserted correspondingly into the positioning guide groove It is said.

  To improve the present invention, the tongue plate is extended forward from the front end surface of the plastic case of the connector, and a plurality of terminal grooves are formed in the tongue plate, respectively, corresponding to the terminals described above, A bottom plate protruding further forward is formed on the front end surface of the plastic case, the bottom plate is located below the tongue plate, and a first engagement groove is formed between the bottom plate and the front upper end of the bottom plate is recessed downward. The second engagement groove is formed, the rear end of the first engagement groove is closed, the front end communicates with the outside and the second engagement groove, and the bottom wall of the inner shield is in the first engagement groove. It is assumed that the bottom wall of the outer shield is placed in the second engagement groove.

The invention of claim 1 comprises an outer shield, and an extending wall is extended downward from both side walls of the outer shield, a first engagement portion is provided on the extending wall, and a fixing pin is extended downward from each extending wall, Both rear sides of the outer shield are folded forward to provide folding walls, each folding wall is provided with a second engaging portion, and the outer wall surface of the bending wall and the inner wall surface of the extending wall abut against each other, The shield is characterized in that the first engaging portion and the second engaging portion are engaged with each other.
According to a second aspect of the present invention, in the shield according to the first aspect, the first engagement portion is an engagement hole, and the second engagement portion is an engagement block that protrudes outward corresponding to the engagement hole. The shield is characterized by that.
The invention according to claim 3 is the shield according to claim 1, wherein the first engagement portion is an engagement block protruding inward, and the second engagement portion is an engagement hole corresponding to the engagement block. The shield is characterized by that.
The invention of claim 4 is the shield according to claim 1, wherein the outer shield covers the outside of the inner shield.
The invention according to claim 5 is the shield according to claim 4, wherein the inner shield is provided with a plurality of suspension elastic pieces, and the free ends of these suspension elastic pieces are bent and extended toward the inner shield, The shield is characterized in that a retracting hole corresponding to the suspension elastic piece of the inner shield is provided.
The invention of claim 6 is a connector having a shield according to claim 1, further comprising a plastic case, wherein a plurality of terminals are fixed inside the plastic case, and the outside is covered with the shield. It is a connector with a shield.
The invention of claim 7 is a connector having a shield according to claim 6, wherein notches are respectively opened at the rear ends of both side surfaces of the plastic case, and the bent walls are extended to enter into the corresponding notches. It features a connector with a shield.
The invention of claim 8 is a connector having a shield according to claim 6, further comprising an inner shield, wherein the inner shield accommodates a plastic case inside, and the outside of the inner shield is covered with an outer shield. A connector with a shield, characterized by
The invention of claim 9 is a connector having a shield according to claim 8, wherein the inner shield is provided with a plurality of suspension elastic pieces, and the free ends of the suspension elastic pieces are bent toward the inside of the inner shield and stretched. In the outer shield, a retracting hole corresponding to the suspension elastic piece of the inner shield is provided.
The invention of claim 10 is the connector having the shield according to claim 8, wherein a position limiting groove is formed on the outer surface of the plastic case, the front end of the position limiting groove is closed, and the rear end communicates with the outside world. A connector having a shield, characterized in that a position limiting piece corresponding to the position limiting groove is provided in the inner shield, and the position limiting piece is inclined downward and is fitted into the position limiting groove. Yes.
The invention of claim 11 is a connector having a shield according to claim 8, wherein a pair of juxtaposed bottom plates projecting forward is provided on the front end surface of the plastic case, and a positioning guide groove is provided between the two bottom plates. The rear end of the positioning guide groove is closed, the front end communicates with the outside world, and a position limiting column extending downward is provided on the bottom wall of the inner shield and inserted into the positioning guide groove. A connector with a shield, characterized by
The invention of claim 12 is the connector having the shield according to claim 8, wherein a tongue plate protruding forward is provided on the front end surface of the plastic case, and a plurality of terminal grooves are provided on the tongue plate to provide corresponding terminals. A bottom plate protruding forward is formed on the front end surface of the plastic case, the bottom plate is located below the tongue plate, a first engagement groove is formed between the bottom plate, and the front end of the bottom plate is recessed downward. A second engagement groove is formed, the rear end of the first engagement groove is closed, the front end communicates with the outside and the second engagement groove, and the bottom wall of the inner shield is placed in the first engagement groove; The connector having a shield is characterized in that the bottom wall of the outer shield is placed in the second engagement groove.

  The folding wall of the outer shield of the shield of the present invention comes into contact with and engages with the extending wall outward, and when the fixing pin of the outer shield is inserted into the external board, the outward folding of the bending wall and the extending wall Due to the inward locking, the first engagement portion and the second engagement portion are stably engaged, whereby the outer shield forms a strong and reliable engagement state from beginning to end, and deformation and expiration do not occur. At the same time, the inner shield of the present invention tightly covers the inner shield, which increases the strength of the shield, can withstand large insertion / removal forces in the insertion process with the corresponding connector, and does not cause deformation and expiration. It is supposed to be.

  As shown in FIGS. 1 to 3, the shield of the present invention includes an outer shield 80 and an inner shield 60 covered inside the outer shield 80.

  As shown in FIGS. 2 and 3, an insertion space 62 is formed inside the inner shield 60, and both front and rear ends of the insertion space 62 communicate with the outside. A pair of suspension elastic pieces 64 are provided on the upper wall of the inner shield 60, the suspension elastic pieces 64 are extended vertically from both sides of the front end of the upper wall, and a pair of position limiting pieces 66 are provided at the rear end of the upper wall. The position limiting piece 66 is provided at a position corresponding to the position of the suspension elastic piece 64 described above, and is inclined downward and extends into the insertion space 62. The rear end of the bottom wall of the inner shield 60 is opened, and a pair of suspension elastic pieces 64 are also provided at the front end of the bottom wall, and a position limiting column 68 that is bent and extended vertically downward substantially at the middle of the rear end of the bottom wall. Is provided. Suspension elastic pieces 64 are also provided on both side walls of the inner shield 60, but the length thereof is longer than that of the suspension elastic pieces 64 on the top wall and the bottom wall. Any of the free ends of the suspension elastic pieces 64 is bent and extended toward the insertion space 62, and is used to press and hold a shield of a corresponding connector (not shown) in the insertion space 62. As a result, the two connectors are firmly combined.

  Please refer to FIG. 1 and FIG. The shape of the outer shield 80 and the inner shield 60 correspond to each other, a holding space 81 is formed inside the outer shield 80, the front end of the holding space 81 communicates with the outside world, and the rear end is closed by the rear wall of the outer shield 80 after assembly. Thus, the inner shield 60 is sandwiched and fitted. The upper wall, bottom wall, and both side walls of the outer shield 80 are provided with a plurality of retraction holes 82 corresponding to the free ends of the suspension elastic pieces 64 of the inner shield 60, and the suspension elastic pieces 64 and the shields of the corresponding connectors are pressed and clamped. Form the retraction space that is sometimes necessary. The rear end of the bottom wall of the outer shield 80 is opened, and an extension wall 83 extending downward is provided at the rear end of both side walls. An engagement hole 84 serving as a first engagement portion is provided at the rear end of each extension wall 83. Is formed, and fixing pins 85 extending downward are formed on both front and rear ends of the extending wall 83, and the fixing pins 85 serve to fix the shield of the present invention to an external substrate (not shown). . The rear wall of the outer shield 80 is connected to and integrated with the upper wall by a pair of connecting pieces 86, and is parallel to the upper wall before assembly, as shown in FIG. 4, and is shown in FIG. 3 after assembly. In this way, it is bent so as to be perpendicular to the upper wall, and the portions near the bottom ends on both sides of the rear wall are bent forward and stretched to form bent walls 87, projecting outward on each bent wall 87, and second An engagement block 88 is formed as an engagement portion.

  Further, as shown in FIG. 1, the connector 100 having the above-described shield of the present invention further includes a plastic case 20, and the plastic case 20 is inserted into the insertion space 62 of the above-described inner shield 60. In addition, a plurality of terminals 40 are fixed inside.

  As shown in FIGS. 2 and 3, a pair of position limiting grooves 21 are formed on the upper surface of the plastic case 20, and the pair of position limiting grooves 21 are located on both sides of the upper surface and extend in the vertical direction. The rear end is in communication with the outside world. Extending from the front end surface of the plastic case 20 are a tongue plate 22 and a pair of bottom plates 24 positioned below the tongue plate 22 and arranged in parallel. A plurality of terminal grooves 23 are opened in the above-described tongue plate 22 in the vertical direction, and the corresponding terminals 40 are fixed. The positioning guide groove 26 is formed between the two bottom plates 24 described above, the rear end of the positioning guide groove 26 is closed, the front end communicates with the outside world, and between the bottom plate 24 and the tongue plate 22 of the plastic case 20. A first engagement groove 27 is formed, and the top front end of the bottom plate 24 is further recessed downward to form a second engagement groove 28, the rear end of the first engagement groove 27 is closed, and the front end is the outside and It communicates with the second engagement groove 28. Cutouts 25 are formed in portions near the bottom end of the rear ends of both side surfaces of the plastic case 20, and are used for locking and positioning the outer shield 80.

  The assembly process of the connector 100 of the present invention is as follows.

  The plurality of terminals 40 are fitted in the terminal grooves 23 of the plastic case 20, and then the plastic case 20 is aligned with the position of the insertion space 62 of the inner shield 60, and the inner shield 60 is pushed backward, At this time, the position limiting piece 66 of the inner shield 60 slides along the upper wall of the plastic case 20 and fits into the position limiting groove 21, thereby restricting the forward movement of the inner shield 60 relative to the plastic case 20. The restriction pillar 68 and the bottom wall of the inner shield 60 are placed in the positioning guide groove 26 and the first engagement groove 27 of the plastic case 20, thereby restricting the backward movement of the inner shield 60 relative to the plastic case 20. .

  Subsequently, the inner shield 60 is aligned with the holding space 81 of the outer shield 80 and is pushed backward by the outer shield 80. At this time, the inner wall surface of the outer shield 80 closely contacts the outer wall surface of the inner shield 60. The bottom wall of the outer shield 80 is placed in the second engagement groove 28 of the plastic case 20, thereby restricting the backward movement of the outer shield 80 relative to the plastic case 20.

  Finally, the rear wall of the outer shield 80 is bent downward, and each bent wall 87 is inserted into the cutout 25 of the plastic case 20. At this time, the outer wall surface of the bent wall 87 is the inner wall surface of the extending wall 83. , And the engagement block 88 of the bent wall 87 is engaged outwardly into the engagement hole 84 of the extending wall 83, thereby restricting the forward movement of the outer shield 80 relative to the plastic case 20.

  The folding wall of the outer shield of the shield of the present invention contacts and engages with the extending wall outward, and when the fixing pin of the outer shield is inserted into the external board, the outward folding and extending wall of the bending wall Due to the inward locking, the first engagement portion and the second engagement portion are stably engaged, whereby the outer shield forms a strong and reliable engagement state from beginning to end, and deformation and revocation do not occur. At the same time, the inner shield of the present invention tightly covers the inner shield, which increases the strength of the shield, can withstand large insertion / removal forces in the insertion process with the corresponding connector, and does not cause deformation and expiration. It is supposed to be.

  What has been described above is one of the preferred embodiments of the present invention. When specifically designing, other equal-effect technical means capable of achieving the object of the present invention, for example, the outer shield 80 only. The inner shield 60 is omitted by design, and the inner shield 60 is deleted, and the suspension elastic piece 64 is provided in the outer shield 80, or the engagement hole 84 of the first engagement portion is provided in the bent wall 87, An engagement block 88 of the second engagement portion can be provided on the extending wall 83 and can be protruded inward. Such replacement with technical means having the same effect shall fall within the scope of the claims of the present invention.

It is a three-dimensional combination diagram of the connector of the present invention. It is a three-dimensional exploded view of the connector of the present invention. It is another three-dimensional exploded view of the connector of this invention. It is a three-dimensional view before the assembly of the outer shield of the shield of the present invention.

Explanation of symbols

100 connector 20 shield 21 position limiting groove 22 tongue plate 23 terminal groove 24 bottom plate 25 notch 26 positioning guide groove 27 first engagement groove 28 second engagement groove 40 terminal 60 inner shield 62 insertion space 64 suspension elastic piece 66 position Restriction piece 68 Position restriction column 80 Outer shield 81 Holding space 82 Retraction hole 83 Extension wall 84 Engagement hole 85 Fixing pin 86 Connecting piece 87 Bending wall 88 Engagement block

Claims (12)

  An outer shield is provided, extending walls are extended downward from both side walls of the outer shield, a first engagement portion is provided on the extended wall, a fixing pin is extended downward from each extending wall, and both sides of the rear side of the outer shield are A folding wall is provided by folding forward, and a second engagement portion is provided on each folding wall, and the outer wall surface of the bending wall and the inner wall surface of the extending wall abut against each other, and the first engagement portion A shield characterized in that the second engaging portion is correspondingly engaged.   2. The shield according to claim 1, wherein the first engagement portion is an engagement hole, and the second engagement portion is an engagement block corresponding to the engagement hole and protruding outward. shield.   The shield according to claim 1, wherein the first engagement portion is an engagement block protruding inward, and the second engagement portion is an engagement hole corresponding to the engagement block. shield.   The shield according to claim 1, wherein the outer shield covers the outside of the inner shield.   5. The shield according to claim 4, wherein the inner shield is provided with a plurality of suspension elastic pieces, and free ends of the suspension elastic pieces are bent and extended toward the inner shield, and the outer shield has the inner shield. A shield provided with a retracting hole corresponding to the suspension elastic piece.   The connector with a shield according to claim 1, further comprising a plastic case, wherein a plurality of terminals are fixed inside the plastic case, and the outside is covered with the shield. .   7. The connector having a shield according to claim 6, wherein a notch is formed at each rear end of both sides of the plastic case, and the bent wall is extended to enter into the corresponding notch. Connector.   The connector having a shield according to claim 6, further comprising an inner shield, wherein the inner shield accommodates a plastic case therein, and the outer portion of the inner shield is covered with an outer shield. Prepared connector.   9. The connector having a shield according to claim 8, wherein a plurality of suspension elastic pieces are provided on the inner shield, and free ends of the suspension elastic pieces are bent and extended toward the inside of the inner shield. A shield having a retracting hole corresponding to the suspension elastic piece of the inner shield.   9. The connector having a shield according to claim 8, wherein a position restricting groove is formed on an outer surface of the plastic case, a front end of the position restricting groove is closed, a rear end communicates with the outside, and the inner shield has the position. A connector having a shield, characterized in that a position limiting piece corresponding to the limiting groove is provided, and the position limiting piece is inclined downward and is fitted into the position limiting groove.   9. A connector having a shield according to claim 8, wherein a pair of juxtaposed bottom plates projecting forward is provided on the front end surface of the plastic case, and a positioning guide groove is formed between the two bottom plates. A shield characterized in that the rear end of the groove is closed, the front end communicates with the outside world, and a position limiting column extending downward is provided on the bottom wall of the inner shield and is inserted into the positioning guide groove. Prepared connector. 9. A connector having a shield according to claim 8, wherein a tongue plate protruding forward is provided on a front end surface of the plastic case, and a plurality of terminal grooves are provided in the tongue plate to accommodate corresponding terminals, and the front end of the plastic case is provided. A bottom plate protruding forward is formed on the surface, the bottom plate is located below the tongue plate, a first engagement groove is formed between the bottom plate, and a front engagement end of the bottom plate is recessed downward to form a second engagement groove. And the rear end of the first engagement groove is closed, the front end communicates with the outside and the second engagement groove, the bottom wall of the inner shield is placed in the first engagement groove, and the bottom wall of the outer shield is 2. A connector with a shield, characterized by being placed in an engagement groove.

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