JP3173526U - LVDS connector - Google Patents

Abstract

An object of the present invention is to provide an LVDS connector that guarantees coplanarity of a contact portion and a welded portion of a signal terminal, makes product welding and assembly convenient, and improves the stability and reliability of signal transmission.
The LVDS connector includes an insulating body, a terminal module, and a housing. An insertion space 101 and a storage space are provided inside the insulating body 10. The terminal module includes a plurality of signal terminals 22 and a gel body, and is accommodated in the accommodation space. The contact portion 221 is inserted into the insertion space 101, and the welding portion is extended outside the insulating body 10. The casing 30 is formed so as to cover the insulating main body 10, an arm is formed at the front end edge, extends into the insertion space 101, and a contact is provided on the plane.
[Selection] Figure 1

Description

  The present invention relates to an electrical connector, and more particularly to an LVDS connector used for signal transmission of a liquid crystal display.

  Along with the rapid development of the Internet and communication technology, the demand for transmission speed of users is increasing, and some electrical connectors used in computers and electronic products can be applied to the transmission of high-frequency and high-speed signals. In response to this requirement, low voltage differential signal (abbreviated as LVDS) connectors have been developed in recent years. This connector has the advantages of being able to transmit data at high speed with a low voltage, low power consumption, and reducing coding errors.

  A conventional LVDS connector mainly includes an insulating body, a signal terminal, and a housing. The insulating body has an insertion space, and an assembly structure of the insulating body and the signal terminal is employed. That is, the signal terminal is inserted into the insulating body, fixed by the interference coupling between the protrusion on the signal terminal and the insulating body, the contact portion of the signal terminal is inserted into the insertion space, and the welded portion of the signal terminal is connected to the insulating body. Extended out. The housing is provided so as to cover the insulating main body. A protrusion is provided on the casing, and the casing and the insulating body are fixed and connected by interference coupling between the protrusion and the insulating body. In addition, a contact bullet is formed at the opening of the housing by bending inward, and the contact bullet and the external terminal case are in contact with each other and connected to obtain a shielding effect.

However, even the structure of such a conventional LVDS connector has an effect of transmitting a signal and certainly has an inventive step. However, when actually used, there is a problem in its own structure and performance. There are many sufficient points, and even if the conventional LVDS connector is actually applied, the optimum use effect and work effect cannot be achieved. The disadvantages are as follows.
(1) Since the signal terminal is fixed on the insulating body by interference coupling between the protruding portion of the signal terminal and the insulating body, the coplanarity of the contact portion of the signal terminal and the coplanarity of the welded portion cannot be guaranteed. Thus, welding and mounting of the LVDS connector become inconvenient, and at the same time negatively affects signal transmission.
(2) Since the contact bullet is bent inward at the opening of the housing, the processing and molding of the housing is relatively difficult, the production efficiency of the product is reduced, and the contact bullet Elastic fatigue is likely to occur, negatively affecting product performance.
(3) Since the casing is fixed on the insulating body by the interference coupling between the protruding portion of the casing and the insulating body, it is relatively difficult to assemble the LVDS connector, which is disadvantageous for the assembly efficiency of product production.
(4) Since the tip of the contact portion of the signal terminal is hung in the air, it cannot be guaranteed that the contact portion is flat, and the contact portion tends to warp upward, which negatively affects normal use.

  The present invention has been made in view of such conventional problems, and effectively solves the problem of guaranteeing the coplanarity of the contact portion and the coplanarity of the welded portion in the signal terminal in this type of LVDS connector. It is an object to effectively solve the difficulty of processing and molding the casing and to effectively solve the difficulty in assembling the casing.

To achieve the above object, the present invention provides an LVDS connector having the following technical features.
(1) An insulating body, a terminal module, and a housing are provided. An insertion space is provided at the opening of the front end of the insulating body, and a storage space is provided at the rear end of the insulating body. The terminal module includes a plurality of signal terminals. The signal terminal has a contact portion and a welded portion, the terminal module is stored in the storage space, and the contact portion of the signal terminal on the signal terminal is inserted into the insertion space. The LVDS connector is characterized in that the welded portion extends so as to protrude outside the insulating body, and the casing is provided so as to cover the insulating body.
(2) Notches or ribs are provided on the peripheral wall of the storage space of the insulating body, and ribs or notches are provided on the outer wall of the gel body of the terminal module. The LVDS connector according to (1) above, characterized in that
(3) A locking groove or a locking protrusion is provided on the peripheral wall of the storage space of the insulating main body, and a locking protrusion or a locking groove for corresponding to this is provided on the gel body of the terminal module. The LVDS connector according to (1) or (2) above, wherein the LVDS connector is provided.
(4) A plurality of terminal grooves are provided on the insulating main body, and the plurality of terminal grooves are connected to the upper insertion space and connected to the rear storage space. The LVDS connector according to (1) above, wherein the front end portions of the terminals are respectively inserted into the corresponding terminal grooves, and the contact portions thereon are respectively inserted into the insertion spaces.
(5) The front end edge of the housing is provided with an arm that is folded inward, the arm is provided so as to extend into the insertion space, a convex hull is formed on the plane of the arm, and the external terminal cover The LVDS connector according to (1) above, wherein a contact that can be brought into contact with each other to obtain a shielding effect is provided.
(6) The casing includes a top plate, a bottom plate, and both side plates for connecting the top plate to the bottom plate, and the arm is configured such that the front edge of the top plate is warped inward. The LVDS connector according to (5) above, wherein
(7) An insulating main body, a housing, and a plurality of signal terminals are provided, an insertion space is provided at the opening of the front end of the insulating main body, the plurality of signal terminals are provided on the insulating main body, and the signal terminals are Each of the contact portions includes a contact portion and a weld portion, the contact portion is provided in the insertion space, the weld portion is provided to extend outside the insulation body, and the housing is provided to cover the insulation body. An arm is formed on the front edge of the housing by folding back inwardly, the arm is provided to extend into the insertion space, and a convex hull is formed on the plane of the arm to contact the external terminal case, An LVDS connector characterized in that a contact for obtaining a shielding effect is provided.
(8) The casing includes a top plate, a bottom plate, and both side plates that connect the top plate to the bottom plate, and the arm is configured such that the front edge of the top plate warps inward. The LVDS connector as described in (7) above, wherein
(9) The arm is a flat arm, and the front end edge of the housing is further warped inward to form two positioning pieces. The flat arm is located between the two positioning pieces. An escape groove and two embedded grooves are provided on the inner wall surface of the insertion space, the escape groove is provided deeper than the embedded groove, and the two positioning pieces are disposed in the corresponding embedded grooves. The LVDS connector according to (7), wherein the LVDS connector is embedded, the arm is hung in the escape groove, and the contact is provided to extend into the insertion space.
(10) Guide grooves connected to the insertion space are provided on both sides of the insulating body, slots are provided on the side walls of the guide grooves, and inner walls protruding from the guide grooves are provided on the housing. The inner wall is provided so as to stick to the side wall of the guide groove, and the inner wall is formed with a fitting block for fitting into the slot, and a front end of the fitting block has a butt connection connector lock claw. The LVDS connector according to (7) above, wherein a lock hole is provided.

According to the LVDS connector of the present invention, the following effects can be obtained by the above configuration.
(1) By fixing the terminal module formed by mounting the signal terminal and the gel body to the insulating body, it replaces the conventional method of assembling the signal terminal to the insulating body using the protruding portion, and the signal The coplanarity of the contact portion of the terminal and the coplanarity of the welded portion are effectively ensured, and the welding and assembly of the product become convenient, and the stability and reliability of signal transmission are improved.
(2) Since the front end edge of the housing is folded inward to form an arm, this arm is extended to the insertion space, and a convex hull is formed on the plane of the arm so that a contact is provided. This makes it easier to process and mold the housing, replacing the conventional method of folding the opening of the housing inward and providing contact bullets. Therefore, it is advantageous for improving the product production efficiency, and moreover, the elastic fatigue of the arm does not easily occur, and the product becomes easier to use.
(3) A fitting block is provided in the housing, and a slot is provided on the insulating main body to correspond to the fitting block, and the housing is attached and fixed to the insulating main body by fitting the fitting block and the slot. This replaces the conventional method of fixing the housing on the insulating body by interference and coupling between the projecting part and the insulating body, making assembly easier and improving product production and assembly efficiency. It will be advantageous.
(4) By providing a terminal groove on the insulating body and fitting the front end portions of the plurality of signal terminals into the corresponding terminal grooves, the signal terminal contact portion is prevented from warping upward. The position of the product is kept at the same height, and it is guaranteed that it is advantageous to the stability and reliability of the use performance of the product.

The perspective view which shows the LVDS connector by one embodiment of this invention Exploded perspective view of the LVDS connector An exploded perspective view of the LVDS connector viewed from another angle The perspective view after the assembly which looked at the LVDS connector from another angle A perspective view of the LVDS connector viewed from another angle Partial enlarged perspective view of the main part (position A in FIG. 5) of the LVDS connector Sectional view of the main part of the LVDS connector

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS. The LVDS connector includes an insulating body 10, a terminal module 20 having a plurality of signal terminals 22, and a housing 30.

  The insulating body 10 has an opening at the front end. Inside the insulating body 10, an insertion space 101 for inserting an external terminal on the front end side and a storage space 102 on the rear end side are provided. In addition, a plurality of terminal grooves 103 are provided in the lower part on the front end side inside the insulating main body 10, and the upper part of the terminal grooves 103 communicates with the insertion space 101 and the rear part communicates with the storage space 102. Further, guide grooves 104 are provided on both sides of the insulating main body 10 continuously to the insertion space 101, and slots 105 are provided on the side walls of the guide grooves 104, that is, on the inner surfaces of the both side walls of the insulating main body 10.

  The terminal module 20 has a gel body 21 and a plurality of signal terminals 22 mounted thereon, and is incorporated in the storage space 102 of the insulating body 10. The gel body 21 is stored in the storage space 102. In this case, ribs 211 are provided on the outer wall of the gel body 21 corresponding to the notches (not shown) in the peripheral wall of the storage space 101 of the insulating body 10. The rib 211 is fitted into the cut portion. In addition, when there is a rib on the peripheral wall of the storage space 102 of the insulating main body 10, a cut portion for accommodating the rib may be provided on the outer wall of the gel body 21. Further, on the gel body 21, locking protrusions 212 are provided to correspond to locking grooves (not shown) in the peripheral wall of the storage space 102 of the insulating body 10. The gel body 21 of the terminal module 20 and the insulating body 10 are fixed and connected by engagement with the stop groove. In addition, when there is a locking projection on the peripheral wall of the storage space 102 of the insulating main body 10, a locking groove for accommodating the locking projection may be provided on the gel body 21. Each of the plurality of signal terminals 22 includes a contact portion 221 and a welded portion 222. The front end portions of these signal terminals 22 are respectively passed through the corresponding terminal grooves 103, and the contact portions 221 of the signal terminals 22 are respectively By being inserted into the insertion space 101, the tip of the signal terminal 22 is prevented from warping upward, and the position of each contact portion 221 is kept at the same height. The welded portion 222 of the signal terminal 22 is extended so as to protrude rearward from the insulating body 10, and is welded to the external electronic circuit board to be electrically connected.

  The housing 30 includes a top plate 31, a bottom plate 32, and both side plates 33 that connect the top plate 31 and the bottom plate 32, and is formed to cover the insulating body 10. An inner wall 34 is formed at the front edge of the housing 30 and is folded back inside the housing 30. In this case, an inner wall 34 is formed at the front end edge of the side plates 33 of the housing 30 and folded back inward. The inner wall 34 is disposed in the guide groove 104 of the insulating body 10 and is provided so as to be attached to the inner surface of the side wall of the insulating body 10. A fitting block 341 that can be fitted into the slot 105 is press-formed on the inner wall 34, and the housing 30 and the insulating body 10 are connected and fixed by fitting the fitting block 341 and the slot 105. It is like that. In addition, a lock hole 342 for locking claws of the butt connection connector is provided at the front end of the fitting block 341, and the lock hole 342 is connected and fixed to the butt connection connector. An arm 35 that is folded inward is also provided at the front edge of the housing 30. The arm 35 is a flat arm, and the arm 35 is formed so as to extend into the insertion space 101. The arm 35 is formed in a convex shape on the plane of the arm 35, and contacts the external terminal cover so as to obtain a concealing effect. Provided. In this case, an arm 35 is formed on the front edge of the top plate 31 and is folded back inward. Further, two positioning pieces 36 are formed on the front end edge of the casing 30 so as to be folded back inward, and the flat arm is provided between the two positioning pieces 36. On the other hand, an escape groove 106 and two embedded grooves 107 are provided on the inner wall surface of the insertion space 101 of the insulating body 10 corresponding to the arm 35 and the two positioning pieces 36. In this case, the escape groove 106 is provided deeper than the embedded groove 107. In this way, the two positioning pieces 36 are embedded in the corresponding embedded grooves 107, the arms 35 are hung in the relief grooves 106 to provide a space for changing the shape, and the contacts 351 are connected. , And extends in the insertion space 101. A positioning leg 37 extending to the outside is provided at the rear end of the housing 30, and a positioning hole 108 is provided on the insulating body 10 correspondingly, and the positioning leg 37 is formed in the positioning hole 108. The housing 30 is positioned on the insulating body 10 by being fitted.

Next, how to assemble and use this LVDS connector will be described in detail.
When assembling the LVDS connector, as shown in FIGS. 2 and 3, first, the terminal module 20 on which the signal terminals 22 and the gel body 21 are mounted is assembled in the storage space 102 of the insulating body 10. At this time, the front end portions of the signal terminals 22 are respectively passed through the corresponding terminal grooves 103, the contact portions 221 of the signal terminals 22 are respectively inserted into the insertion spaces 101, and the welded portions 222 are moved backward from the insulating body 10. Arrange them so that they protrude. Next, the housing 30 is assembled from the front to the back so as to cover the insulating body 10. In this case, the inner wall 34 is arranged in the corresponding guide groove 104, and the fitting block 341 in the inner wall 34 and the slot 105 in the guide groove 104 are fitted to each other as shown in FIGS. The body 30 and the insulating body 10 are connected and fixed. Then, the positioning leg 37 is inserted into the corresponding positioning hole 108 of the insulating main body 10, and at the same time, the positioning piece 36 is fitted into the corresponding embedded groove 107 and the arm 35 is hung in the escape groove 106 to complete the assembly.
When this LVDS connector is used, an external terminal is inserted into the insertion space 101. As a result, the conductive terminal of the external terminal comes into contact with the contact portion 221 of each signal terminal 22 and is electrically connected. At the same time, the contact of the external terminal and the contact 351 on the arm 35 of the housing 30 are in contact. A shielding effect is obtained.

  It should be noted that the specific structure of the housing 30 is not limited to being provided in the LVDS connector having the terminal module 20, and may be provided in other conventional general LVDS connectors. .

As described above, the first important point of this device is to first fix the terminal module formed by mounting the signal terminal and the gel body to the insulating body. It replaces the method of using and assembling the insulation body, and the coplanarity of the contact part of the signal terminal and the coplanarity of the welded part are effectively ensured, so that the welding and assembly of the product become convenient and the signal transmission is stable. And reliability are also improved.
Second, an arm is formed by folding the front edge of the housing inward, the arm is extended to the insertion space, and a convex shape is formed on the plane of the arm to provide a contact. The case is brought into contact with the case to obtain a shielding effect, thereby replacing the conventional method of bending the opening of the case inward and providing a contact bullet piece, and processing the case. Molding becomes easier, which is advantageous for improving the production efficiency of the product. Further, the elastic fatigue of the arm hardly occurs, and the product becomes easier to use.
Thirdly, the housing is provided with a fitting block, and a corresponding slot is provided in the insulating body, and the fitting block and the slot are fitted to attach and fix the housing to the insulating body. This replaces the conventional method of fixing the housing on the insulating body by the interference and coupling between the projecting portion and the insulating body, making assembly easier, producing products, This is advantageous for improving the assembly efficiency.
Fourth, by providing a terminal groove on the insulating body and fitting the front end portions of the plurality of signal terminals into the corresponding terminal grooves, the tip of the signal terminal is not warped upward, and the contact portion of the signal terminal is Keep the position at the same height and ensure that it is advantageous to the stability and reliability of product use performance.

  It should be noted that the above description is only about the preferred embodiment of the present invention, and does not limit the scope of the claim for registration of the utility model of the present invention. Even if the modification or change is made based on the above and the same effect is obtained, all the modification or change is included in the scope of the utility model registration request of the present invention.

DESCRIPTION OF SYMBOLS 10 Insulation body 101 Insertion space 102 Storage space 103 Terminal groove 104 Guide groove 105 Slot 106 Escape groove 107 Embedded groove 108 Positioning hole 20 Terminal module 21 Gel body 211 Rib 212 Locking protrusion 22 Signal terminal 221 Contact part 222 Welding part 30 Case 31 Top plate 32 Bottom plate 33 Side plate 34 Inner wall 341 Fitting block 342 Lock hole 35 Arm 351 Contact 36 Positioning piece 37 Positioning leg

Claims (10)

Insulating body, terminal module and housing,
The insulating body is provided with an insertion space on the front end side and a storage space on the rear end side,
The terminal module has a plurality of signal terminals having a contact portion and a weld portion and a gel body mounted thereon, and is housed in the storage space, and the contact portion of the signal terminal is inserted into the insertion space, The welded portion is extended so as to protrude outside the insulating body,
The housing is formed to cover the insulating body;
An LVDS connector characterized by that.   The LVDS according to claim 1, wherein a cut portion or a rib is provided on the peripheral wall of the storage space of the insulating body, and a rib or a cut portion is provided on the outer wall of the gel body of the terminal module correspondingly. connector.   A locking groove or a locking protrusion is provided on the peripheral wall of the storage space of the insulating body, and a locking protrusion or a locking groove is provided on the gel body of the terminal module correspondingly. Item 3. The LVDS connector according to item 1 or 2.   A plurality of terminal grooves are provided on the insulating body, and the plurality of terminal grooves communicate with the terminal grooves corresponding to the front end portions of the plurality of signal terminals, the upper portion communicating with the insertion space, the rear portion communicating with the storage space, and the front end portions respectively. 2. The LVDS connector according to claim 1, wherein the contact portions are inserted into the insertion spaces.   An arm that is folded inward is provided at the front edge of the housing, the arm extends into the insertion space, is formed in a convex shape on the plane of the arm, and contacts with an external terminal cover to obtain a shielding effect. The LVDS connector according to claim 1, further comprising:   6. The housing includes a top plate, a bottom plate, and both side plates for connecting the top plate to the bottom plate, and the arm is bent inwardly at the front edge of the top plate. The LVDS connector described in 1. Comprising an insulating body, a plurality of signal terminals and a housing;
The insulating body is provided with an insertion space on the front end side,
Each of the plurality of signal terminals is provided on the insulating main body, and includes a contact portion and a welded portion. The contact portion is inserted into an insertion space, and the welded portion is extended outside the insulating main body. ,
The casing is formed so as to cover the insulating body, and an arm that is folded inwardly is formed at a front end edge of the casing. The arm extends into the insertion space, and is convex in the plane of the arm. Having a contact point that contacts the external terminal case and obtains a shielding effect,
An LVDS connector characterized by that.   8. The housing includes a top plate, a bottom plate, and both side plates that connect the top plate to the bottom plate, and the arm is bent inward at the front edge of the top plate. The LVDS connector described in 1.   The arm is composed of a flat arm, and two positioning pieces that are bent inward along with the front edge of the housing are formed, and the flat arm is provided between the two positioning pieces. Correspondingly, a clearance groove and two embedded grooves are provided on the inner wall surface of the insertion space, the clearance groove is formed deeper than the embedded groove, and the two positioning pieces correspond to the corresponding embedded grooves. The LVDS connector according to claim 7, wherein the LVDS connector is embedded in the arm and the arm is hung in the escape groove so that the contact extends into the insertion space.   A guide groove communicating with the insertion space is provided on both sides of the insulating body, a slot is formed in a side wall of the guide groove, an inner wall disposed in the guide groove is provided in the housing, and the inner wall is formed in the slot. The fitting block is formed, and a lock hole for a butt connection connector lock claw is formed at a front end of the fitting block, and is attached to a side wall of the guide groove. The LVDS connector according to 7.

Images