JP4187219B2 - Double-sided connector - Google Patents

Description

  In the present invention, electrode terminal portions projecting from both surfaces of a plurality of contacts for connecting at both ends, which are mounted and fixed so as to be arranged in a row with respect to the frame, are respectively small printed circuit boards, IC chips, etc. The present invention relates to a connector for double-sided connection having a structure used for connection with a connection object.

  Conventionally, as this type of connector for double-sided connection, for example, the terminal part can be simply fixed to the frame by press-fitting means, the stress-strain characteristics are good, and even if part of the terminal part is damaged, part of the damaged part The thing of the structure where only repair is easy (refer patent document 1) etc. are mentioned.

JP 2005-228504 A (summary)

  In the case of the connector for double-sided connection according to Patent Document 1 described above, when each terminal portion (contact for both-end connection) is mounted and fixed to the frame, the cross-sectional shape in the plane direction perpendicular to the arrangement direction is substantially as each terminal portion. In addition to the scallop shape, a structure having protrusions (doughs) is incorporated into the slot opening (groove) of the frame. At this time, the protrusion width is larger than the groove width and the frictional force is large. In addition to the problem that it is difficult to assemble because it requires the work of forcibly pushing in under the conditions that cause Therefore, for example, when a vibration or impact is applied from the outside, such as during transportation, the terminal portions may be displaced with respect to the frame, or may be detached in extreme cases. By that there is a cormorant danger, there is a problem that the durability to the load from the outside is not sufficiently guaranteed.

  The present invention has been made to solve such a problem, and its technical problem is that it is easy to assemble and that each terminal portion is displaced or detached even from an external load. It is an object of the present invention to provide a connector for double-sided connection having a structure that can sufficiently guarantee durability.

According to the present invention, the electrode terminal portions protruding from both sides of the frame in the plurality of both-end connection contacts that are mounted and fixed so as to be arranged in the row direction at a predetermined interval with respect to the frame are respectively connected objects. The electrode terminal portions are formed by providing a conductive film in a predetermined pattern on the surface of the main body of the insulating material, each of which has a plurality of contacts for connecting at both ends. In the double-sided connection connector having the structure, the plurality of both-end connection contacts include a contact portion that comes into contact with a local portion on one surface side of the frame, and the frame is mounted with the plurality of both-end connection contacts A wide accommodating portion extending in the row direction is formed and connected to the accommodating portion in the vicinity of the local portion provided for abutting with the abutting portion on one surface side. It is a width extending in the column arrangement direction narrower elongated hole openings formed, whereby said has the cross-sectional shape of the column arrangement direction perpendicular to the plane direction is formed as a substantially L-shaped, further comprising a plurality of ends connected The contact has a substantially T-shaped cross-sectional shape in a plane direction perpendicular to the row direction, and includes a convex portion as the abutment portion, and one end surface side of the convex portion when the housing portion is accommodated is the frame. The open end portion on the other end surface side of the other surface side of the frame is in contact with the local portion located in the peripheral portion in the vicinity of the slot opening on the one surface side. A double-sided connector is obtained which is integrally fixed and held by a supporting and fixing member between the peripheral wall portion in the vicinity of the housing portion.

  In this double-sided connection connector, the plurality of both-end connection contacts are arranged in the vicinity of both ends of the support part in the direction of arrangement in the frame at both ends of the support bones provided so as to pass through the protrusions in a predetermined number, respectively. It is preferable that they are arranged by being mounted and fixed at predetermined positions on the peripheral wall portion.

On the other hand, according to the present invention, a frame having one surface and the other surface facing each other, and a plurality of contacts assembled to the frame in a state of partially protruding from each of the one surface and the other surface. The frame is formed adjacent to the one surface at a position corresponding to each of the housing portions, and a plurality of wide housing portions opened on the other surface. Each of the accommodating portions and the oblong holes connected to the opening portions, and a plurality of narrow elongated opening portions that are open on the one surface on both sides of the dividing piece and connected to the accommodating portion. Each of the contacts has a pair of electrode terminal portions in which a conductive film is provided on the surface of a flexible insulating material and the pair of electrode terminal portions. Combined combined arm and the combined And the pair of electrode terminal portions and the coupling arm portion together have a substantially H-shaped cross section, and the contact is disposed on the housing portion from the other surface side. A support fixing member that abuts one surface of the coupling arm portion against the partition piece and abuts against an opposite surface of the coupling arm portion is fixed to the frame, and the coupling arm portion and the support fixing member are A double-sided connection connector characterized in that the support bone is sandwiched is obtained.

In this double-sided connection connector, the pillar bone may be connected between the plurality of contacts, and both ends thereof may be fixed to the frame.

  In the case of the connector for double-sided connection according to the present invention, it is easy to assemble, and each terminal portion is prevented from being displaced or detached even from a load caused by vibration or impact from the outside during transportation, as a result. The durability can be sufficiently guaranteed.

  The double-sided connection connector according to the best mode of the present invention has electrode terminal portions protruding from both sides of the frame in a plurality of both-end connection contacts mounted and fixed so as to be arranged at predetermined intervals with respect to the frame. The electrode terminal portion is formed by providing a conductive film in a predetermined pattern on the main body surface of the insulating material, each of which is used for connection with a connection object, and each end connection contact is flexible. In the structure, each end connection contact includes an abutting portion that is in contact with a local part on one side of the frame, and the frame is arranged in a row direction for mounting each end connection contact. And a width extending in the row direction in connection with the housing portion in the vicinity of the local portion provided for contact with the contact portion on one surface side. In addition, for each contact for connection at both ends, the one end surface side of the abutting portion when the housing is accommodated in the frame is in the vicinity of the elongated hole opening portion on one surface side of the frame. The open end portion on the other end surface side is in contact with the local portion located on the peripheral portion of the frame and the peripheral wall portion in the vicinity of the accommodating portion on the other surface side in the frame is integrated with the support fixing member The structure is fixed and held by the

  In the following, some specific examples will be given, and the double-sided connector according to the present invention will be described in more detail.

  FIG. 1 is a cross-sectional view of a main part configuration of a double-sided connection connector according to a first embodiment of the present invention in a plane direction perpendicular to the line-up direction in accordance with the transition of the state of incorporation of each double-sided connection contact 1 into the frame 2. It is the elements on larger scale shown connected continuously. FIG. 2 is a perspective view showing an external configuration of the frame 2 provided in the double-sided connector, and FIG. 3 is a perspective view showing an external configuration of the double-sided connector 10 as a whole.

  Referring to each figure, the double-sided connector 10 is a plurality of mounting and fixing devices that are mounted and fixed so as to be arranged at predetermined intervals with respect to the frame 2 as in the case of Patent Document 1 in terms of the basic structure. The electrode terminal portions 3 projecting from both sides of the frame 2 in the both-end connection contact 1 are respectively used for connection to a connection object such as a small printed circuit board and an IC chip, and each end-connection contact 1 is flexible. The electrode terminal portion 3 is formed by providing a conductive film in a predetermined pattern on the surface of the main body of the insulating material having the above.

  However, with respect to the frame 2 here, as a basic structure, an accommodating portion 2b extending in the direction of arrangement for mounting each end connection contact 1 is formed, and on one surface side, the accommodating portion 2b is formed. In addition to a long hole opening 2a that is connected and extends in the row direction, the cross-sectional shape in the plane direction perpendicular to the row direction of each end connection contact 1 is formed in a substantially L shape. Specifically, referring to FIGS. 1 and 2, in the case of the frame 2 here, each end connection contact 1 is arranged so that the elongated hole opening 2a is exposed on one surface side. The accommodating portions 2b that extend in the direction (longitudinal direction of the frame 2) and are formed in a pair so as to be narrowly spaced apart from each other and are connected to the long hole openings 2a on the other surface side are the same. It extends in the row direction and is formed as a set so as to be wide and spaced apart from each other.

  Each end connection contact 1 includes a convex portion 1 a as a contact portion whose cross-sectional shape in a plane direction perpendicular to the arrangement direction is in contact with a local portion on one surface side of the frame 2. It is T-shaped, and the other end surface in a state where one end surface side of the convex portion 1a is in contact with the peripheral wall portion in the vicinity of the long hole opening 2a on one surface side in the frame 2 when being accommodated in the accommodating portion 2b. The open end portion on the side is fixed and held integrally with the peripheral wall portion in the vicinity of the accommodating portion 2b on the other surface side in the frame 2 by the support fixing member. Here, the supporting and fixing member is a tape 5 having one surface side as an adhesive surface, and the other end surface side of the convex portion 1a is opened by the adhesive surface after being accommodated in the accommodating portion 2b of each end connection contact 1. The end portion and the peripheral wall portion in the vicinity of the accommodating portion 2b in the frame 2 are fixedly held.

  Further, each end connection contact 1 is made of a metal provided so as to penetrate the convex portions 1a in a predetermined number as members for reinforcing the mechanical strength against the flexibility. Both ends of the support bones 4 are arranged by being mounted and fixed to grooves (schematically illustrated) provided at predetermined positions on the peripheral wall portion in the vicinity of both ends of the accommodating portions 2b in the arrangement direction in the frame 2. ing.

  Hereinafter, a case where the double-sided connector 10 according to the first embodiment is assembled will be described with reference to FIG.

  First, as shown on the right side in FIG. 1 with respect to the accommodating portion 2b provided on the other surface side of the frame 2, each end connection contact 1 having a substantially T shape is connected to the opposite end surface of the convex portion 1a. The protruding end face side of the long dimension portion is inserted into the accommodating portion 2b so as to be directed upward as indicated by the white arrow as an arrangement in which the opposite end faces of the scale portion are oriented in the vertical direction, and subsequently, FIG. 1, one end surface side of the convex portion 1 a is in contact with the peripheral wall portion in the vicinity of the long hole opening 2 a on one surface side in the frame 2, and one of the long dimension portions The projecting end face side is defined as a mounting state position where the end face side is exposed to the outside of one face side of the frame 2 through the elongated hole opening 2a and protrudes. Incidentally, in this mounted state, both ends of the rod-shaped columnar bones 4 extending in the row direction passing through the convex portions 1a of the both end connection contacts 1 at the same time are the peripheral edges in the vicinity of both ends of the housing portion 2b in the row direction in the frame 2. Since it is press-fitted and fixed in a groove (schematically illustrated) provided at a predetermined position of the wall portion, a certain degree of mechanical strength is secured.

  Next, in this mounted state, the adhesive surface side of the tape 5 is outlined with respect to the open end portion on the other end surface side of the convex portion 1a and the peripheral wall portion near the housing portion 2b in the frame 2. As shown on the left side in FIG. 1, the open end portion on the other end surface side of the convex portion 1 a and the peripheral wall portion in the vicinity of the housing portion 2 b in the frame 2 ( In FIG. 1, the top of the L-shaped long dimension portion corresponds to the adhesive surface of the tape 5 and is integrally fixed and held. As a result, each end connection contact 1 is further stably fixed to the frame 2 by attaching the tape 5 (if the groove 5 in which both ends of the support bone 4 are attached is covered by the tape 5, the contact 1 for both ends is further increased). Therefore, it is possible to prevent the position from being displaced or detached even from a load caused by vibration or impact from the outside.

  In short, in the case of the double-sided connector 10 according to the first embodiment, a narrow long hole opening corresponding to two parallel rows exposed on one side of the frame 2 as shown in FIG. A predetermined number of contacts for connecting both ends, which are reinforced with the support bone 4 for mechanical strength, with respect to the wide accommodating portions 2b of two parallel rows that are exposed in the same manner on the other surface side opposite to 2a After assembling the components arranged in line 1 and bringing one end surface side of each convex portion 1a into contact with the peripheral wall portion in the vicinity of the long hole opening 2a on one surface side of the frame 2, the mounting state is established. In the other surface side, the open end portion on the other end surface side of the convex portion 1a and the peripheral wall portion in the vicinity of the accommodating portion 2b are respectively joined by the adhesive surface of the tape 5 and fixed and held together in FIG. Because it can be assembled and finished as shown Assembly has become easy.

  FIG. 4 is a cross-sectional view of the configuration of the main part of the double-sided connection connector according to the second embodiment of the present invention in a plane direction perpendicular to the line-up direction in accordance with the transition of the assembled state of each end-connecting contact 1 ′ with respect to the frame 2 ′. It is the elements on larger scale shown connected continuously. FIG. 5 is a perspective view showing the external configuration of the frame 2 'provided in the double-sided connector, and FIG. 6 is a perspective view showing the overall external configuration of the double-sided connector 10'.

  Referring to each drawing, the double-sided connector 10 'here is also mounted so as to be arranged at a predetermined interval with respect to the frame 2' as in the case of Patent Document 1 in terms of the basic structure. Electrode terminal portions 3 ′ protruding from both surfaces of the frame 2 ′ in a plurality of fixed both-end connection contacts 1 ′ are used for connection to connection objects such as small printed circuit boards and IC chips, respectively. Each of the connection contacts 1 'has a structure in which an electrode terminal portion 3' is formed by providing a conductive film in a predetermined pattern on the surface of the body of an insulating material having flexibility.

  However, as for the frame 2 'here, as a basic structure, the elongated hole opening 2a' extends in parallel with the arrangement direction across the partitioning piece 2c as a local portion on one surface side, and the accommodating portion In addition to being formed so as to be connected to 2b ', the cross-sectional shape in the plane direction perpendicular to the arrangement direction is formed as a substantially U-shape. 4 and 5, in the case of the frame 2 ′ here, each end connection contact 1 ′ so that the elongated hole opening 2 a ′ is exposed on one surface side. As a narrower one extending in the row direction (longitudinal direction of the frame 2 '), a pair of opposing members sandwiching the partition piece 2c is formed as a pair (one-to-one pair) And the accommodating portions 2b 'connected to the pair of elongated hole openings 2a' on the other surface side extend in the row direction in the same manner so as to be wide and spaced apart from each other in parallel. It is formed by one set (the total is two by only one set).

  Each of the both-end connecting contacts 1 'has a substantially H-shaped cross section in a plane direction perpendicular to the arrangement direction, and includes a coupling arm portion 1a' as a contact portion, and also with respect to the accommodating portion 2b '. The open end portion on the other end surface side in the state where one end surface side of the coupling arm portion 1a 'is in contact with the partition piece 2c between the parallel long hole openings 2a' on one surface side in the frame 2 'during housing. Is fixed and held integrally by a supporting and fixing member between the frame 2 'and the peripheral wall portion in the vicinity of the accommodating portion 2b' in the arrangement direction on the other surface side. The supporting and fixing member here also uses a tape 5 'having an adhesive surface on one surface side, and the housing 1b' is connected to the housing portion 2b 'of each end connecting contact 1' by the adhesive surface. The open end portion on the other end surface side and the peripheral wall portions in the vicinity of both ends of the accommodating portions 2b ′ in the row direction in the frame 2 ′ are fixedly held.

  Further, each of the both-end connecting contacts 1 ′ here also penetrates through the coupling arm portions 1 a ′ in a predetermined number as members for reinforcing the mechanical strength against the flexibility. Attach and fix both ends of the metal support bone 4 'provided in the frame to a groove (schematically illustrated) provided at a predetermined position of the peripheral wall portion in the frame 2' near the both ends of the accommodating portion 2b 'in one direction. Are arranged in line.

  Hereinafter, the case of assembling the double-sided connector 10 'according to the second embodiment will be described with reference to FIG.

  First, as shown on the right side in FIG. 4 with respect to the accommodating portion 2b 'provided on the other surface side of the frame 2', each of the substantially H-shaped connection contacts 1 'is opposed to the coupling arm portion 1a'. Inserting into the accommodating portion 2b 'so that one protruding end surface side of the high-profile portion is directed upward as indicated by a white arrow as an arrangement in which the end surface facing the end surface of the high-profile portion facing the vertical direction Subsequently, as shown in the center of FIG. 4, one end surface side of the coupling arm portion 1a 'is located between the parallel long hole openings 2a' on one surface side of the frame 2 '. One protruding end face side of the high-profile portion is in contact with the piece 2c and is exposed to the outside of the one face side of the frame 2 'through the elongated hole opening 2a' to be a mounted state position. . Incidentally, even in this mounted state, at the same time, both ends of the rod-shaped columnar bones 4 'extending in the row direction passing through the coupling arm portions 1a' in the both end connection contacts 1 'are in the row direction in the frame 2'. Since it is press-fitted and fixed in a groove (schematically illustrated) provided at a predetermined position in the peripheral wall portion in the vicinity of both ends of the accommodating portion 2b ′, a certain degree of mechanical strength is secured.

  Next, in this mounted state, the adhesive surface side of the tape 5 'is located near the both ends of the accommodating portion 2b' in the line-up direction in the open end portion on the other end surface side of the coupling arm portion 1a 'and the frame 2'. And an open end portion on the other end face side of the coupling arm portion 1a ′ and the frame 2 as shown on the left side in FIG. The peripheral wall portions (not shown) in the vicinity of both ends of the accommodating portions 2b 'in the line-up direction are joined by the adhesive surface of the tape 5' and are integrally fixed and held. As a result, each end connection contact 1 'is stably fixed to the frame 2' by applying the tape 5 '(the groove 5 in which both ends of the support bone 4' are mounted is covered by the tape 5 '). Therefore, it is possible to prevent displacement and disengagement with respect to a load caused by vibration or impact from the outside.

  In short, even in the case of the double-sided connector 10 'according to the second embodiment, the frame 2' as shown in FIG. 2 rows of accommodating portions 2b 'corresponding to two parallel rows exposed in the same manner on the other surface side opposite to the long hole opening 2a' (one row in a pair of opposed long hole openings 2a ') Are connected to each other, and one end face of each connecting arm portion 1a 'is assembled by assembling a predetermined number of both end connection contacts 1' in which mechanical strength is reinforced by the support bone 4 '. After the side is brought into contact with the partition piece 2c, the tape 5 is attached to the open end portion on the other end surface side of the coupling arm portion 1a 'and the peripheral wall portion in the vicinity of both ends of the accommodating portion 2b' on the other surface side. It is shown in FIG. 6 by joining with the adhesive surface of ′ and fixing it integrally. It is possible to assemble finished as such external configuration, it has become a similarly assembled easily as in Example 1 here.

  In the first and second embodiments described above, the case where the tapes 5 and 5 'are attached with an adhesive has been described. However, they may be bonded with an adhesive.

The main part structure of the connector for double-sided connection which concerns on Example 1 of this invention is shown connected continuously in the cross section in the surface direction perpendicular | vertical to a row direction according to transition of the assembly state with respect to the flame | frame of each both-ends connection contact. FIG. It is the perspective view which showed the external appearance structure of the flame | frame with which the connector for double-sided connection shown in FIG. It is the perspective view which showed the external appearance structure in the whole double-sided connector shown in FIG. The main part structure of the connector for double-sided connection which concerns on Example 2 of this invention is shown connected continuously in the cross section in the surface direction perpendicular | vertical to a row direction according to transition of the assembly state with respect to the flame | frame of each contact for both ends connection. FIG. It is the perspective view which showed the external appearance structure of the flame | frame with which the connector for double-sided connection shown in FIG. It is the perspective view which showed the external appearance structure in the whole double-sided connector shown in FIG.

Explanation of symbols

1, 1 'contact for both ends connection 1a convex part 1a' coupling arm part 2, 2 'frame 2a, 2a' long hole opening part 2b, 2b 'accommodating part 2c partition piece 3, 3' electrode terminal part 4, 4 'post Bone 5,5 'Tape 10,10' Double-sided connector

Claims (4)

The electrode terminal portions projecting from both sides of the plurality of both-end connection contacts mounted and fixed so as to be arranged in the row direction at predetermined intervals with respect to the frame are respectively provided for connection to the connection object. In addition, a connector for double-sided connection having a structure in which the electrode terminal portions are formed by providing a conductive film in a predetermined pattern on the surface of the main body of the insulating material in which the plurality of both-end connection contacts are flexible. The plurality of both-end connection contacts include a contact portion that is in contact with a local portion on one surface side of the frame, and the frame is arranged in the row for mounting the plurality of both-end connection contacts. A wide accommodating portion that extends in the direction is formed, and is connected to the accommodating portion in the vicinity of the local portion that is in contact with the abutting portion on one surface side and extends in the row direction That width is narrower elongated hole openings formed, thereby being formed cross-sectional shape at the column arrangement direction perpendicular to the plane direction as substantially L-shaped, further comprising a contact for a plurality of ends connected, said column A cross-sectional shape in a plane direction perpendicular to the installation direction is a substantially T-shape including a convex portion as the abutment portion, and one end surface side of the convex portion is located on the frame when accommodated in the accommodating portion. The open end portion on the other end surface side in the state where the open end portion on the other surface side is in contact with the local portion located in the peripheral portion near the slot opening portion on the surface side, and the peripheral portion in the vicinity of the accommodating portion on the other surface side A double-sided connector, wherein the connector is fixed and held integrally with a wall portion by a support fixing member. 2. The double-sided connection connector according to claim 1 , wherein both ends of the plurality of both-end connection contacts are arranged in the frame at both ends of the support bones provided so as to respectively penetrate the protrusions in a predetermined number. A connector for double-sided connection, wherein the connectors are arranged in rows by being fixedly attached to predetermined portions of a peripheral wall portion in the vicinity of both ends of the accommodating portion in the direction. A double-sided connector including a frame having one surface and the other surface facing each other, and a plurality of contacts assembled to the frame in a state of partially protruding from each of the one surface and the other surface There,
The frame includes a plurality of wide accommodating portions opened on the other surface, a partition piece formed adjacent to the one surface at a position corresponding to each of the housing portions, and on both sides of the partition piece. A plurality of narrow elongated hole openings that are open on the one surface and connected to the accommodating part, and each of the accommodating parts and the elongated hole opening connected thereto have a substantially U-shaped cross section. None,
Each of the contacts includes a pair of electrode terminal portions each having a conductive film on a surface of a flexible insulating material, a coupling arm portion that couples the pair of electrode terminal portions to each other, and a wiring arm portion. The pair of electrode terminal portions and the coupling arm portion together have a substantially H-shaped cross section,
The contact is disposed on the housing portion from the other surface side, and a support fixing member that abuts one surface of the coupling arm portion against the partition piece and abuts against the opposite surface of the coupling arm portion is secured to the frame. The double-sided connector according to claim 1, wherein the coupling arm portion and the support bone are sandwiched between the partition piece and the support fixing member . 4. The double-sided connector according to claim 3, wherein the strut bone is connected between the plurality of contacts, and both ends thereof are fixed to the frame .

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