JP2012009447A - Connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector that secures thickness reduction limited with resin, differently from a conventional frame formed of a resin-like member and rigidity generated accompanying thickness reduction and that is easily made thin and compact by joining a contact made of a metallic member to a frame made of a metallic plate member in an insulation state.SOLUTION: The connector consists of the frame having a junction for insulating and joining a contact to the metallic plate member, and the contact made of the metallic member and having a contact portion and a terminal portion. The junction is provided with an insulation film, a part of the contact except the contact portion and terminal portion is provided with the insulating film, and the part of the contact where the insulation film is provided is joined to the junction provided with the insulating film.

Description

  The present invention relates to a connector, and more particularly to a connector in which a frame for attaching a contact made of a metallic member is formed of a metallic member.

As a connector in the prior art, a contact made of a metallic member is press-fitted or insert-molded into an insulating resin housing (frame) to fix the contact, so that the function as a connector, springiness, conduction, insulation Etc.
In order to press-fit the contact into the frame, as shown in FIG. 11, the contact 113 is inserted into the terminal insertion port 112 of the thin resin frame 111 in a state of being inserted and fixed at a time.

  JP 2000-150078 A

  However, as the connector described in the prior art is thin and small in size, the frame is also thinned. Therefore, when the contact is press-fitted, the frame itself warps, and the resin housing is thin and small. However, there is a problem that the rigidity and heat resistance are lowered, and the connector performance is lowered.

  Therefore, there is a limit to the housing (frame) that is made of resin with further thinning and downsizing, and it solves how to attach the contact made of a metallic member to the thin frame. Has challenges that must be met.

  In order to solve the above problems, the connector of the present invention is configured as follows.

(1) The connector is that a contact made of a metallic member is insulated and joined to a frame made of a metallic member.
(2) A shield cover is covered so as to cover the surface of the frame on which the contact portion of the insulation bonded contact faces, and a space formed by the shield cover and the frame forms a card insertion path for inserting a memory card The connector according to (1).

(3) The connector comprises a metal plate member, a frame provided with a joint portion for insulatingly joining the contact, and a contact made of a metallic member and having a contact portion and a terminal portion, and is insulated from the joint portion. A film is applied, an insulating film is applied to a portion excluding the contact portion and the terminal portion of the contact, and the contact portion to which the insulating film is applied is joined to the joint portion to which the insulating film is applied.
(4) A shield cover is covered so as to cover the surface of the frame on which the contact portion of the insulating contact faces, and a space formed by the shield cover and the frame forms a card insertion path for inserting a memory card The connector according to (3).
(5) The connector is composed of a metal plate member, a frame provided with a joint portion formed by cutting out a portion for insulatingly joining the contact, and a contact having a contact portion and a terminal portion. And an insulating film is applied to the back surface of the joint portion, an insulating film is applied to a surface of a portion excluding the contact portion and the terminal portion of the contact, and a surface portion of the contact to which the insulating film is applied, That is, bonding is performed with the contact portion facing the back surface of the bonding portion provided with the insulating film.
(6) A shield cover is covered so as to cover the surface of the frame facing the contact portion of the insulating joint, and a space formed by the shield cover and the frame forms a card insertion path for inserting a memory card. The connector according to (5).
(7) The connector according to (5), wherein the back surface of the joint is formed thin.
(8) The connector according to (5), wherein an insulating film is provided on a surface of the frame.

(9) The connector is composed of a metal plate member, a frame provided with a joint portion formed by cutting out a portion for insulating and joining the contact, and a contact having a contact portion and a terminal portion. And an insulating film is applied to the surface of the joint portion, an insulating film is applied to the back surface of the contact portion excluding the contact portion and the terminal portion, and the contact portion back surface of the contact to which the insulating film is applied, It is joining to the surface of the junction part which gave the insulating film.
(10) A shield cover is covered so as to cover the surface of the frame on which the contact portion of the insulation-bonded contact faces, and a space formed by the shield cover and the frame forms a card insertion path for inserting a memory card The connector according to (9).
(11) The connector according to (9), wherein an insulating film is provided on a surface of a portion excluding the contact portion and the terminal portion of the joined contact.

(12) The connector is composed of a metal plate member, a frame provided with a joint portion formed by cutting out a portion for insulating and joining the contact, and a contact having a contact portion and a terminal portion. And an insulating adhesive is filled between the fracture surface of the joint and the side surface of the contact, and the contact is insulated and joined to the joint.
(13) A shield cover is placed so as to cover the surface of the frame facing the contact portion of the insulation bonded contact, and a space formed by the shield cover and the frame forms a card insertion path for inserting a memory card The connector according to (12).
(14) The connector according to (12), wherein an insulating film is provided on a surface of the joined portion excluding a contact portion and a terminal portion, and an insulating film is provided on a surface of the frame.

According to the present proposal, a contact made of a metallic member is insulated and joined to a frame made of a metallic member, so that unlike a frame made of a resinous member as in the past, the resin is the limit. The rigidity generated with the thinness and thinness is ensured, and the thinning and miniaturization can be easily achieved.
Further, as described, the frame is made of a metallic member, so that the rigidity (including warpage reduction), heat resistance (particularly heat resistance during mounting), and insulation required for the connector can be ensured.

It is the perspective view which showed schematically the surface side of the connector of 1st Embodiment which concerns on this invention. FIG. 3 is a perspective view schematically showing the back side of the connector. FIG. 6 is an explanatory diagram showing the region where the insulating film for the frame and the contact is applied by hatching. FIG. 6 is an explanatory diagram showing a region where an insulating film on the surface side of the frame is applied by hatching. It is the perspective view which showed schematically the surface side of the connector of 2nd Embodiment which concerns on this invention. FIG. 3 is a perspective view schematically showing the back side of the connector. FIG. 6 is an explanatory diagram showing the region where the insulating film for the frame and the contact is applied by hatching. It is the perspective view which showed schematically the surface side of the connector of 3rd Embodiment which concerns on this invention. FIG. 3 is a perspective view schematically showing the back side of the connector. It is explanatory drawing which showed the joining state of the flame | frame and a contact similarly. It is explanatory drawing which showed the mode of the flame | frame and contact in a prior art.

  Next, a first embodiment of a connector according to the present invention will be described below with reference to the drawings.

  As shown in FIGS. 1 to 4, the connector according to the first embodiment of the present invention has a configuration in which a contact made of a metallic member is insulated and joined to a frame 12 made of a metallic member.

The frame 12 is formed of a metal plate member, and the left and right ends formed in a substantially square shape are bent to form the left wall 13 and the right wall 14, and the rear end is also bent to form the rear end wall 15. The surface 17 region sandwiched between the left wall 13, the right wall 14, and the rear end wall 15 forms a card insertion path 16 into which the memory card 51 is inserted, and contacts that contact the contact 52 of the memory card 51 (first The contact 31 and the second contact 41) are insulatively joined.
A space for inserting the memory card 51 is formed between the back surface of the shield cover 38 and the card insertion path 16 by covering the shield cover 38 so as to extend over the top ends of the left wall 13 and the right wall 14. .

  The card insertion path 16 is provided with a first joint portion 21 having a contact through hole 25 formed so as to penetrate the first contact 31 on the front side of the back surface 18 of the frame 12. The second contact portion 22 having a contact through hole 26 formed by cutting out the second contact 41 is provided.

  The first joint portion 21 includes a contact through hole 25 penetrating in a rectangular shape, and a first joint recess 23 having a reduced plate thickness is formed around the contact through hole 25. The first contact recess 23 is configured to affix an insulating adhesive or insulating tape (shaded portion in FIG. 3).

The first contact 31 includes a frame body 32 in which a metal plate member is formed in a rectangular frame shape, a terminal portion 33 led outward from one side of the frame body 32, and a frame body from the opposite side of the terminal portion 33. A contact portion 34 is formed which is provided with a spring property and is bent back toward a central position formed continuously with the frame 32.
The first contact 31 is mounted by placing the frame body 32 on the edge of the contact through hole 25, that is, on the first bonding recess 23.
Further, the entire surface of the frame 32 on the side of the contact portion 34 where the warp is repeated, that is, the surface 35 portion other than the contact portion 34 and the terminal portion 33 is coated with an insulating film (shaded portion in FIG. 3). .
The insulating coating film process is an insulating film coating process. First, degreasing and masking are performed, and coating is performed at a liquid temperature of about 30 ° C. for several minutes. Next, the coated member is washed and cured by heating at a temperature of about 200 ° C. for about 20 minutes. The cured member is cooled and an insulating film is applied.

  The second joint 22 includes a contact through hole 26 cut out in a rectangular shape, and a second joint recess 24 having a reduced plate thickness is formed around the contact through hole 26. The second contact recess 24 is configured to affix an insulating adhesive or insulating tape (shaded portion in FIG. 3).

The second contact 41 includes a frame body 42 in which a metal plate member is formed in a rectangular frame shape, a terminal portion 43 led out from one side of the frame body 42, and a frame body 42 provided with the terminal portion 43. The contact portion 44 is formed in a frame shape by being connected to the opposing frame bodies and springing back toward the center position.
The second contact 41 is mounted by placing a part of the frame body 42, that is, a part other than the contact part 44 and the terminal part 43 on the edge part of the contact through hole 26, that is, the second joint recess 24.
In addition, the entire surface of the frame body 42 on the side of the contact portion 44 that is warped, that is, the surface 45 portion other than the contact portion 44 and the terminal portion 43 is provided with an insulating film by an insulating coating process (the hatched portion in FIG. 3). ).

The first and second contacts 31 and 41 are assembled and assembled to the frame 12 having such a configuration, and the shield cover 38 is put on to complete the connector.
First, as shown in FIG. 4, the surface 17 of the frame 12 is provided with an insulating film (shaded portion).
Then, an insulating film is applied to the entire surface 35 of the frame body 32 forming the first contact 31 (shaded portion shown in FIG. 3). Similarly, an insulating film is also applied to the entire surface 45 of the frame body 42 forming the second contact 41 (shaded area shown in FIG. 3).
Next, as shown in FIG. 3, an insulating tape is applied to the first joint recess 23 around the contact through hole 26 on the back surface 18 side of the frame 12 (shaded portion in FIG. 3). Similarly, an insulating tape is affixed to the 2nd junction recessed part 24 around the contact through-hole 25 (shaded part of FIG. 3).
In this state, the frame 32 of the first contact 31 provided with the insulating film is attached to the first bonding recess 23 to which the insulating tape is applied, and the insulating film is applied to the second bonding recess 24 to which the insulating tape is applied. The frame body 42 of the second contact 41 subjected to is attached.
As a result, the first and second contacts 31 and 41, which are also formed of a metallic member, can be attached to the frame 12 formed of the metallic member in an electrically insulated state. The shield cover 38 covers the upper position where the contact portions 34, 44 of the first and second contacts 31, 41 face the connector through holes 25, 26 on the surface 17 side of the frame 12. The connector is completed.
In addition, although it has the structure which covers a frame which joins the contact (1st and 2nd contact) in 1st Embodiment with a shield cover, it is not limited to this, The structure which doubles as the shield itself You may form in the case. This case may be formed by bending or drawing into a box shape having an opening on the memory card insertion slot side (front side in FIG. 1) so that the memory card can be inserted. In this case, the cover portion does not have to be in a box-like shape so that both sides of the memory card can be guided to the normal connection position in the insertion direction, and the memory card is inserted to make electrical contact with the contact. A structure in which both ends of the card insertion path 16 are bent in a U shape may be used so as to be secured.
Further, the contact surface of the contact bonded to the frame or the surface of the frame to which the contact is bonded may be roughened to increase the bonding area.
Further, the structure of the contacts (first and second contacts) is a shape having a rectangular frame-shaped frame body 32 in the embodiment, but is not limited to this, for example, an elongated plate shape. The member may be bent so that the elastic piece provided with the contact portion on the front end side and the terminal portion on the other end side may be formed in a straight line. In this case, the joining surface may be provided in a horizontal shape provided between the elastic piece and the terminal portion.

  Next, a second embodiment of the connector according to the present invention will be described below with reference to the drawings.

  As shown in FIGS. 5 to 7, the connector according to the second embodiment of the present invention is configured such that a contact made of a metallic member contacts a surface of the frame 12 made of a metallic member (first and second contacts) The back surfaces of the contacts 31, 41) are insulatively joined.

Similarly to the frame described in the first embodiment, the frame 12 is formed of a metal plate member, and bends the left and right ends formed in a substantially square shape to form the left wall 13 and the right wall 14, and the rear end The rear end wall 15 is also bent to form a card insertion path 16 into which the memory card 51 is inserted, and the area between the left wall 13, the right wall 14, and the rear end wall 15 forms the memory card 51. The contacts (first and second contacts 31, 41) that come into contact with the contact 52 are insulatively joined.
A space for inserting the memory card 51 is formed between the back surface of the shield cover 38 and the card insertion path 16 by covering the shield cover 38 so as to extend over the top ends of the left wall 13 and the right wall 14. .

  The card insertion path 16 is provided with a first joint portion 21 having a contact through hole 25 formed so as to penetrate the back surface of the first contact 31 on the front side of the front surface 17. The second contact portion 24 having the contact through hole 26 formed by cutting out the second contact 41 for insulation bonding is provided.

  The first joint portion 21 includes a contact through hole 25 penetrating in a rectangular shape, and the periphery of the surface 17 of the contact through hole 25 is pasted with an insulating adhesive or insulating tape (enclosed by a dotted line shown in FIG. 7). Part) composition.

The first contact 31 includes a frame body 32 in which a metal plate member is formed in a rectangular frame shape, a terminal portion 33 led outward from one side of the frame body 32, and a frame body from the opposite side of the terminal portion 33. A contact portion 34 is formed which is provided with a spring property and is bent back toward a central position formed continuously with the frame 32. Similarly, an insulating film is applied to the surface 35 of the frame 32 excluding the contact portion 34 and the terminal portion 33 by an insulating coating process (shaded portion in FIG. 7).
The first contact 31 is mounted by placing the back surface of the frame 32 on the edge of the contact through hole 25 of the first joint portion 21.
In addition, an insulating film is applied to the back surface 36 on the opposite side of the contact portion 34 where the frame body 32 warps (shaded portion in FIG. 7).

  The second joint portion 24 includes a contact through hole 26 cut out in a rectangular shape, and the periphery of the surface 17 of the contact through hole 26 is configured to affix an insulating adhesive or insulating tape (FIG. 7). (The part enclosed by the dotted line shown in the).

The second contact 41 includes a frame body 46 in which a metal plate member is formed in a rectangular frame shape, a terminal portion led outward from one side of the frame body 46, and a frame opposed to the frame body provided with terminals. A contact portion is formed which is bent back toward the center position formed continuously with the body and formed into a frame shape.
The second contact is mounted by placing the back surface of the frame on the edge of the second contact through hole.
In addition, an insulating film is applied to the back surface 46 on the opposite side of the contact portion 44 where the frame 46 warps (shaded portion in FIG. 7). Similarly, an insulating film is also applied to the surface 45 of the frame body 42 excluding the contact portion 44 and the terminal portion 43 by an insulating coating process (shaded portion in FIG. 7).

The first and second contacts 31 and 41 are assembled and assembled to the frame 12 having such a configuration, and the shield cover 38 is put on to complete the connector.
First, as shown in FIG. 7, the surface 17 of the frame 12 is provided with an insulating film (shaded portion).
Then, an insulating film is applied to the entire back surface 36 of the frame 32 forming the first contact 31 (shaded area in FIG. 7). Similarly, an insulating film is also applied to the entire back surface 46 of the frame 42 forming the second contact 41 (shaded area in FIG. 7).
Next, an insulating tape is affixed around the contact through hole 25 of the first joint 21 on the surface 17 side of the frame 12 (portion surrounded by a dotted line in FIG. 7). Similarly, an insulating tape is affixed around the contact through hole 26 (portion surrounded by a dotted line in FIG. 7).
In this state, the second joint portion in which the back surface 36 side of the frame 32 of the first contact 31 provided with an insulating film is attached around the contact through hole 25 to which the insulating tape is attached and the insulating tape is attached. The back surface 46 side of the frame body 42 of the second contact 41 having an insulating film applied around the 22 contact through holes 26 is attached.
As a result, the first and second contacts 31 and 41, which are also formed of a metallic member, can be attached to the frame 12 formed of the metallic member in an electrically insulated state. Then, the connector is completed by covering the surface 17 side of the frame 12 with the shield cover 38.

  Next, a third embodiment of the connector according to the present invention will be described below with reference to the drawings.

  As shown in FIGS. 8 to 10, the connector according to the third embodiment of the present invention has a contact formed on a fracture surface of a contact through hole provided in a frame formed of a metallic member. The side surface (fracture surface) is insulatively joined.

The frame 12 is formed of a metal plate member in the same manner as the frame described in the first embodiment, and the left and right end portions formed in a substantially square shape are bent to form the left wall 13 and the right wall 14, and the rear end portion thereof. Is also bent to form the rear end wall 15, and the region sandwiched between the left wall 13, the right wall 14, and the rear end wall 15 forms a card insertion path 16 into which the memory card 51 is inserted, and contacts of the memory card 51. The contacts (first and second contacts 31, 41) that come into contact with 52 are insulatively joined.
A space for inserting the memory card 51 is formed between the back surface of the shield cover 12 and the card insertion path 16 by covering the shield cover 38 so as to extend over the top ends of the left wall 13 and the right wall 14. .

  The card insertion path 51 is provided with a first joint portion 21 having a contact through hole 25 formed in the front side so as to be able to accommodate the first contact 31 and the second contact on the back side. 41 is configured to include a second joint portion 22 having a contact through hole 26 formed so as to penetrate through a size that can accommodate 41.

  The first joint portion 21 includes a contact through hole 25 cut out in a rectangular shape from an end portion, and the contact through hole 25 is formed in a size that can accommodate the first contact 31.

The first contact 31 includes a frame body 32 in which a metal plate member is formed in a rectangular frame shape, a terminal portion 33 led outward from one side of the frame body 32, and a frame body from the opposite side of the terminal portion 33. A contact portion 34 is formed which is provided with a spring property and is bent back toward a central position formed continuously with the frame 32.
As shown in FIG. 10, the side surface 37 of the frame body 32 is aligned with the fracture surface 27 of the contact through hole 25, and the first contact 31 is insulatively bonded by filling the bonded gap with an insulating adhesive. To do.
Further, the surface 35 on the side of the contact portion 34 where the frame 32 is warped is provided with an insulating film by an insulating coating process.
Here, the side surface 37 of the frame 32 bonded with the insulating adhesive and the fracture surface 27 of the contact through-hole 25 are formed in a substantially parallel state, but the present invention is not limited to this. By making the shape of the fractured surface 27 of the lower portion into a shape that expands downward, the amount of the insulating adhesive to the lower end portion can be increased, and the first contact 31 can be prevented from coming off upward.

  The second joint portion 22 includes a contact through hole 26 cut out in a rectangular shape from the end portion, and the contact through hole 25 is formed in a size that can accommodate the second contact 41.

The second contact 41 includes a frame body 42 in which a metal plate member is formed in a rectangular frame shape, a terminal portion 43 led out from one side of the frame body 42, and a frame body 42 provided with the terminal portion 43. The contact portion 44 is formed in a frame shape by being connected to the opposing frame bodies and springing back toward the center position.
As shown in FIG. 10, the side surface 37 of the frame 42 is aligned with the fracture surface 27 of the contact through hole 26, and the second contact 41 is insulatively bonded by filling the bonded gap with an insulating adhesive. To do.
Further, the surface 45 on the side of the contact portion 44 where the frame body 42 warps is provided with an insulating film by an insulating coating process.
Here, the side surface 47 of the frame body 42 to be bonded with the insulating adhesive and the fractured surface 28 of the contact through hole 26 are formed in a substantially parallel state, but the present invention is not limited to this. By making the shape of the fracture surface 28 into a shape that expands downward, the amount of the insulating adhesive to the lower end portion can be increased, and the second contact 41 can be prevented from coming off upward.

The first and second contacts 31 and 41 are assembled and assembled to the frame 12 having such a configuration, and the shield cover 38 is put on to complete the connector.
First, an insulating film is applied to the entire surface 35 of the frame 32 that forms the first contact 31. Similarly, an insulating film is also applied to the entire surface 45 of the frame body 42 forming the second contact 41.
Next, an insulating film is applied to the entire surface 17 of the frame 12.
In this state, an insulating adhesive is filled between the fracture surface 27 of the contact through hole 25 of the first joint portion 21 and the side surface 37 of the frame body 32 of the first contact 31, and the second joint portion is bonded. An insulating adhesive is filled between the fracture surface 28 of the contact through hole 26 of the 22 and the side surface 47 of the frame 42 of the second contact 41 and bonded.
As a result, the first and second contacts 31 and 41, which are also formed of a metallic member, can be attached to the frame 12 formed of the metallic member in an electrically insulated state. Then, the connector is completed by covering the surface 17 side of the frame 12 with the shield cover 38.
As described above, the frame according to the third embodiment has a so-called chemical connection form in which the contact is filled with the insulating adhesive in accordance with the fracture surface of the contact through hole. Alternatively, insulation may be applied to the fractured surface where the contact and frame are attached, and the attached surface may be mechanically fixed by applying a press or the like. It may be secured by the elasticity of silicon resin while ensuring the properties.

  By connecting the contact made of a metallic member to the frame made of a metal plate member, the resin is different from the conventional frame made of a resinous material. Provided is a connector that can ensure rigidity and the like, and can be easily reduced in thickness and size.

12 Frame 13 Left wall 14 Right wall 15 Rear end wall 16 Card insertion path 17 Front surface 18 Back surface 21 First joint 22 Second joint 23 First joint recess 24 Second joint recess 25 Contact through hole 26 Contact Through hole 27 Fracture surface 28 Fracture surface 31 First contact 32 Frame body 33 Terminal portion 34 Contact portion 35 Front surface 36 Rear surface 37 Side surface 38 Shield cover 41 Second contact 42 Frame body 43 Terminal portion 44 Contact portion 45 Front surface 46 Rear surface 47 Side 51 Memory card 52 Contact

Claims (7)

Contacts (31, 41) made of a metallic member having contact portions (34, 44) and terminal portions (33, 43);
A connector comprising a frame (12) made of a metallic member having joints (21, 22) to which contacts (31, 41) are attached,
By attaching the contact (31, 41) with the insulating film applied to the part to be attached to the joint part (21, 22) to the joint part (21, 22) with an insulating adhesive,
A connector characterized in that the contacts (31, 41) are insulated and attached to the frame (12) in an electrically insulated state. The connector according to claim 1, wherein an insulating film is applied to the joint portions (21, 22). The connector according to claim 1, wherein the joint recesses (23, 24) having a reduced plate thickness are formed in the joints (21, 22). The joints (21, 22) have contact through holes (25, 26),
With the contact portions (34, 44) facing the contact through holes (25, 26), the contacts (31, 41) are connected to the joint portions (21, 21) provided on the back surface (18) of the frame (12). The connector according to claim 1, wherein the connector is insulated and joined to 22). The connector according to claim 1, characterized in that the contacts (31, 41) are insulatively coupled to joints (21, 22) provided on the surface (17) of the frame (12). The joint portions (21, 22) have contact through holes (25, 26) formed by cutting out to a size that can accommodate the contacts (31, 41).
An insulating adhesive is filled between the fracture surface of the contact through hole (25, 26) and the side surface of the contact (31, 41),
2. A connector according to claim 1, wherein the contacts (31, 41) are insulation joined to the frame (12). Cover the surface of the frame (12) where the contact portions (34, 44) face to cover the shield cover (38), and insert the memory card (51) into the space formed by the shield cover (38) and the frame (12). The connector according to claim 1, wherein a card insertion path is formed.

Images