JP3713681B2 - connector - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a connector , and particularly to a connector that holds and fixes two circuits at the same time as connecting two circuits.
[0002]
[Prior art]
In the case where one circuit is mounted on the parent board and the other circuit is a flat package when connecting and connecting between the two circuits, and holding and fixing between the two circuits, a socket is formed on the parent board side. In general, a flat package is mounted on the socket-shaped connector by mounting and fixing the connector.
[0003]
One conventional example of such a connector is shown in FIGS.
In this connector, a back plate 810, a film 820, an insulator 840 in which a plurality of contacts 830 are arranged, held, and positioned together with the circuit board 600x, are connected to, held, and fixed to the circuit board 600x which is a parent board. The positioning pin 870 is configured to include a presser plate 850 and a screw 860 that connect, hold, and fix the mounted flat package 700x.
[0004]
In this connector, in order to position, hold, and fix each part with respect to the circuit board 600x, a hole for a screw 860 and a hole for a positioning pin 870 are formed in the circuit board 600x and each part. A back plate 810 and a film 820 are arranged on the back side, an insulator 840 with a contact 830 and a holding plate 850 are arranged on the front side of the circuit board 600x, and the flat package 700x is sandwiched between the insulator 840 and the holding plate 850. Then, these are screwed with four screws 860.
[0005]
The contact 830 has a shape as shown in FIGS. 6 (a) and 6 (b). Prior to connection, the apex portion and the bottom portion protrude from the front and back surfaces of the insulator 840 and are held by a screw 860. When fixed, the circuit board 600x and the flat package 700x come close to each other, the land 710x of the flat package 700x comes into pressure contact with the apex portion of the contact 830, and the land 610x of the circuit board 600x contacts the bottom of the contact 830. A pressure contact is made to the part, and the land 610x, 710x is connected.
[0006]
[Problems to be solved by the invention]
This conventional connector includes a back plate 810 and a film 820 arranged on the back side of the circuit board 600x, an insulator 840 arranged on the front side of the circuit board 600x and holding a plurality of contacts 830, and a press plate 850, A positioning pin 870 that positions each of these parts with respect to the circuit board 600x. The flat package 700x is sandwiched between the insulator 840 and the holding plate 850 for arranging and holding a plurality of contacts 830, and four screws 860. Therefore, the components are screwed, held, and fixed to the circuit board 600x, so that the number of parts is increased, the cost of parts is increased, and members disposed on the back side and the front side of the circuit board 600x Positioning, screwing, holding and fixing There is a problem that workability is poor and work cost is increased, and each part is screwed, held, and fixed outside the arrangement region of the plurality of contacts 830, so that the total occupied area is increased and the mounting density is reduced. In addition, since a member is also arranged on the back side of the circuit board 600x and is screwed, and the circuit board 600x is also provided with a screwing hole, the degree of design freedom for the circuit board 600x is reduced and the design man-hours are reduced. In addition, there is a problem that the design cost increases and the plurality of contacts 830 have the same shape, and the contacts for electrodes must use these contacts 830 even if the plurality of contacts 830 are used. Can be used in parallel, there is a limit to the number of them, the inductance of the power circuit becomes large, and the power supply voltage suddenly changes during switching operation. Dynamic occurs, there is a risk of malfunction in the circuit occurs, there is a problem that.
[0007]
In view of the above-mentioned problems of the prior art, the object of the present invention is to reduce the cost of parts by reducing the number of parts, as well as reducing the work cost by facilitating the holding and fixing of each part to the circuit board. The mounting density can be reduced by reducing the holding, fixing area, and occupied area of the circuit board, and the design freedom for the circuit board can be improved, and the design man-hours can be reduced. and it is possible to reduce the inductance of the circuit is to provide a connector capable of preventing a circuit malfunction by reducing the power supply voltage fluctuation during the switching operation.
[0008]
[Means for Solving the Problems]
A connector according to the present invention is a connector for electrically connecting a first circuit and a second circuit, and simultaneously holding and fixing between the two circuits, and has the following configurations. And
(A) The conductive plate material is formed in a U-shaped cross section including the upper surface plate and both side surface plates, and has a predetermined length, and the upper surface plate is formed with a fitting / connecting hole. (B) A conductive elastic plate material is used to form a predetermined length in a U-shaped cross section including the upper surface plate and both side surface plates. After the top plate is removed from the die, a mating / connecting lead is formed and connected to the second circuit, and the mating / connecting lead is inserted into the mating / connecting hole of the female contact. A male mating contact that is slid and pressed into contact with the female mating contact; (c) one of the female mating contact and the male mating contact is held, and at the same time, When the mating contact and male mating contact are mated Insulator covering the side surfaces of these contact [0009]
Further, the female fitting contact has a slot-like shape with a predetermined width and length in which a fitting / connecting hole has a quadrilateral hole and extends in the longitudinal direction of the upper surface plate. The male mating contact is cantilevered with a width narrower than that of the slot-shaped hole with respect to the mating / connecting lead. A central shaft plate extending in the longitudinal direction of the top plate in the shape of a beam, and extending to both ends of the central shaft plate in the width direction, further extending in the base direction of the central shaft plate, and gradually moving away from the top plate surface. After being bent and formed into a shape including a sleeve-like portion having a width that can be inserted into a quadrilateral hole portion of the fitting / connecting hole, and after being inserted into the fitting / connecting hole The sleeve-like part is slid in the direction of its slot-like hole Slides into the back side of the upper surface plate on both sides in the width direction of the slot-shaped hole, and at the same time, the central shaft plate enters the slot-shaped hole between the sleeve-shaped portion and the width-direction both side portions of the slot-shaped hole. It has a structure that is a structure that makes pressure contact.
[0010]
The male mating contact is configured such that a protrusion is formed on a portion of the mating / connecting lead that comes into pressure contact with both sides of the slotted hole of the mating / connecting hole of the female mating contact. Is done.
The female mating contact has a plurality of fitting / connecting holes arranged in the longitudinal direction of the upper surface plate, and the male mating contact has a plurality of mating / connecting leads. In the longitudinal direction of the upper surface plate, an arrangement is formed corresponding to the fitting / connecting holes.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
One embodiment of the connector of the present invention is a connector for electrically connecting between a first circuit and a second circuit and at the same time holding and fixing between these two circuits. A mating contact, a male mating contact, and an insulator are included, and the details thereof are as follows.
First, the female-side mating contact is formed of a conductive plate material to have a preset length in a U-shaped cross section including the upper surface plate and both side surface plates, and a fitting / connection hole is formed in the upper surface plate. And connected to the first circuit.
[0013]
Next, the male-side mating contact is formed by a conductive elastic plate material to a predetermined length in a U-shaped cross section including the upper surface plate and both side surface plates, and the upper surface plate is attached to the upper surface plate. A fitting / connecting lead is formed by die cutting and connected to the second circuit. After the fitting / connecting lead is inserted into the fitting / connecting hole of the female contact, it is slid and added. Press contact and engage with the female mating contact.
[0014]
The insulator holds one of the female mating contact and the male mating contact, and simultaneously covers the side surfaces of the female mating contact and the male mating contact when the female mating contact and the male mating contact are in a fitted state. , Structure and structure.
[0015]
By adopting such a configuration and structure, the number of parts can be reduced by half compared to the conventional example, the parts cost can be reduced, and the work of holding and fixing these parts to a circuit board and the like is easy. Therefore, the operation cost can be reduced, and the holding, fixing area, and occupation area of these parts with respect to the circuit board are only on the surface side of the circuit board, and it is not necessary to screw them. The fixed area and the occupied area can be reduced, the mounting density can be improved, and at the same time, the back side of the circuit board can be freely used, and the design flexibility can be improved. In addition, the design man-hours can be reduced, and the inductance of the power circuit can be reduced by using the female mating contact and the male mating contact for connecting the power circuit. Able to fence, to reduce the time of switching operation, the power supply voltage fluctuation, it is possible to prevent the circuit malfunction.
[0016]
【Example】
Next, embodiments of the present invention will be described with reference to the drawings.
FIGS. 1A and 1B are a partially enlarged perspective view and a part of a connector according to an embodiment of the present invention, which are mounted on a circuit board and a flat package and are electrically connected to each other. 2 (a) to 2 (d) are partial enlarged plan views, partial sectional side views and general sectional side views, and FIGS. 3 (a) and 3 (b) are female side mating contacts and It is a cross-sectional side view which shows the fitting operation | movement procedure of a male side fitting contact.
[0017]
The connector of this embodiment includes two female mating contacts 100 and a plurality of signal contacts 300 that are connected to and mounted on a circuit board 600 that is a parent board, and these female mating contacts 100 and a plurality of contacts. The insulator 400 that holds the signal contact 300 and the male side fitting contact 200 that is connected to and mounted on the flat package 700 are configured in detail as follows.
[0018]
The female-side mating contact 100 is formed of a conductive plate material to have a predetermined length in a U-shaped cross section including the upper surface plate 110 and both side surface plates 121 and 122, and the upper surface plate 110 has a quadrilateral shape. A plurality of fitting / connecting holes 130 including a hole 131 and a slot-like hole 132 having a predetermined width and length, connected to the quadrilateral hole 131 and extending in the longitudinal direction of the upper surface plate 110, A plurality of connecting legs 140 are formed on the open end portions of the side plates 121 and 122 which are arranged and formed in the longitudinal direction of the face plate 110 and have a U-shaped cross section. The plurality of connecting legs 140 are formed on the circuit board 600. Are connected to, held by, and fixed to the circuit board 600.
[0019]
At the same time, the female-side mating contact 100 is held by the insulator 400 so that its periphery (side surface) is covered, and the insulator 400 further arranges and holds a plurality of signal contacts 300 to form a circuit board. 600.
[0020]
The male-side fitting contact 200 is made of a conductive elastic plate material and has a U-shaped cross section including the upper surface plate 210 and both side-face plates 221, 222, and has a length similar to that of the female-side fitting contact 100. In the upper surface plate 210, the upper surface plate 210 is punched out, and the upper side plate 210 is formed in a cantilever shape narrower than the width of the slot-shaped hole 132 with respect to the fitting / connecting hole 130 of the female side fitting contact 100. The central shaft plate 231 extending in the longitudinal direction of the face plate 210 and the leading end portion of the central shaft plate 231 are spread on both sides in the width direction, and further extend in the root direction of the central shaft plate 231, and gradually away from the surface of the upper surface plate 231. The upper surface plate 21 includes a plurality of fitting / connecting leads 230 that are bent and include sleeve-like portions 232 and 233 having a width that can be inserted into the four-sided hole 131 of the fitting / connecting hole 130. A plurality of connecting legs 240 are formed at the open end portions of the side surfaces 221 and 222 having a U-shaped cross section, and the plurality of connecting legs 240 are formed on the land 720 of the flat package 700. Connected to, held, and fixed to the flat package 700.
[0021]
The male mating contact 200 is formed after the sleeve-like portions 232 and 233 of the mating / connecting lead 230 are inserted into the quadrilateral holes 131 of the mating / connecting hole 130 of the female mating contact 100. When the sleeve-like portions 232 and 233 are slid into the slot-like holes 132 on both sides of the slot-like holes 132 and slide on the back side of the upper surface plate 110, the central shaft plate 231 enters the slot-like holes 132 and becomes sleeve-like. The parts 232 and 233 and the upper surface plate 110 on both sides of the slot-shaped hole 132 are pressed to come into contact with the female side fitting contact 100.
[0022]
In this state, the insulator 400 is configured to cover the entire side surfaces of the female-side fitting contact 100 and the male-side fitting contact 200 in the fitted state.
The connection leg 140 of the female mating contact 100 and the connection leg 240 of the male mating contact 200 are connected to the land 610 of the circuit board 600 and the land 710 of the flat package 700 by soldering or the like. .
Further, projections 234 are formed on the sleeve-like portions 232 and 233 of the fitting / connecting lead 230 so that the connection with the upper surface plate 110 on both sides of the slot-like hole 132 is kept good.
[0023]
In this embodiment, when the female mating contact 100 and the male mating contact 200 are fitted to electrically connect the circuit board 600 and the flat package 700, first, the male mating contact 200 is used. The flat package 700 is inserted into the insulator 400 so that the sleeve-like portions 232 and 233 of the fitting / connecting lead 230 are inserted into the quadrilateral holes 131 of the fitting / connecting hole 130 of the female fitting contact 100. Next, by sliding the flat package 700, the sleeve-like portions 232 and 233 of the fitting / connecting lead 230 are inserted into the fitting / connecting hole 130. At the same time as sliding into the back side of the upper surface plate 110 on both sides in the width direction of the slot-shaped hole 132, the central shaft plate 231 of the fitting / connecting lead 230 enters the slot-shaped hole 132, and the sleeve-shaped portion Pressurizing and pressure contact between the 232 and 233 and the widthwise side portions of the slot-like hole 132, a joint party mating contacts 200 fit tact 100 and male fitting female is fitted (see Figure 3 (b)).
[0024]
At the time of this fitting, the female fitting contact 100 and the male fitting contact 200 approach until the upper surface plates 110 and 210 come into contact with each other. The apex portion and bottom portion of the contact 300 are in pressure contact with the land 720 of the flat package 700 and the land 620 of the circuit board 600 (see FIGS. 2C and 2D), and the circuit board 600 and the flat package. 700 is electrically connected.
[0025]
At the boundary between the slot-like hole 132 of the fitting / connecting hole 130 and the quadrilateral hole 131, the sleeve-like parts 232, 233 of the fitting / connecting lead 230 slide into the back side during fitting. In order to facilitate this, it is bent slightly upward.
[0026]
In this embodiment, the number of components is halved compared to the conventional example, so that the cost of components can be reduced, and the mounting, holding, and fixing operations of each part on the circuit board 600 and the flat package 700 are also performed by soldering. Since it can be easily performed by attaching, the work cost can be reduced. In addition, the holding, fixing region, and occupation area of each part with respect to the circuit board 600 are only on the surface side of the circuit board 600, and it is not necessary to screw them, so that the holding, fixing region, and occupation area can be reduced. The mounting density can be improved, and the circuit board 600 has no holes for holding and fixing, and the back side and the intermediate layer can be freely used. Design becomes easy, design man-hours are reduced, and design costs can be reduced.
[0027]
Furthermore, by using the female-side fitting contact 100 and the male-side fitting contact 200 for connection of the power supply circuit, the inductance of the power supply circuit can be reduced, the fluctuation of the power supply voltage during the switching operation or the like can be reduced, and the circuit Malfunctions can be prevented.
[0028]
4 (a) to 4 (d), the connector is connected to and fixed to the circuit board 600, the female-side fitting contact 100 held by the insulator 400, and the flat package 700. It is the upper side top view which shows one Example of the jig | tool for a connector fitting which makes the male side fitting contact 200 fit, and the partial cross section side view which shows the fitting procedure.
[0029]
The connector fitting jig 500 in this embodiment includes a slide plate 510, a slide operation portion 520, and a positioning and holding portion 530, and the details thereof are as follows.
The slide plate 510 slides while holding the front side portion and the rear side portion of the flat package 700 in the sliding direction, and slides the flat package 700.
[0030]
The slide operation unit 520 includes a cam unit 521 and an operation handle 522, rotates the operation handle 522 to rotate the cam unit 521, and slides the slide plate 510 by the rotation of the cam unit 521.
The positioning holding unit 530 holds the slide plate 510 so as to be slidable, holds the slide operation unit 520 so that the cam unit 521 and the operation handle 522 can rotate, and includes a plurality of positioning pins 531. These positioning pins 531 are inserted into the positioning holes 410 of the insulator 400 of the connector to position the flat package 700 with respect to the female fitting contact 100 and the insulator 400.
[0031]
By using such a connector fitting jig 500, the fitting operation between the female-side fitting contact 100 and the male-side fitting contact 200 becomes even smoother and easier.
[0032]
【The invention's effect】
As described above, according to the present invention, the connector is formed in a predetermined length by a conductive plate, and at least one fitting / connecting hole is formed at a predetermined position. The female side mating contact connected to the circuit and the conductive elastic plate material are formed in a preset length, and the mating / connecting lead for the mating / connecting hole is formed in the second circuit. Insert the mating / connecting lead into the mating / connecting hole of the female mating contact to connect and mate with the female mating contact. By configuring these contacts with insulators that cover the side surfaces thereof, the number of components can be halved compared to the conventional example, and the component cost can be reduced. To hold and fix The work becomes easy and the work cost can be reduced, and the holding, fixing area and occupied area of each part to the circuit board are only on the surface side of the circuit board, and it is not necessary to screw it. The fixed area and the occupied area can be reduced, the mounting density can be improved, the design freedom for the circuit board can be increased, and the design man-hour can be reduced. By using the mating contact for connecting the power supply circuit, the inductance of the power supply circuit can be reduced, and the effect of reducing the power supply voltage fluctuation and preventing the circuit malfunction during the switching operation or the like can be obtained. is there.
[0033]
Further, the slide includes a slide plate that holds the front side and the rear side of the flat package and slides, and a cam portion and an operation handle, and the slide portion is slid by rotating the cam portion with the operation handle. A connector fitting jig comprising: an operating portion; and a positioning holding portion for holding the slide plate so as to be slidable and positioning the flat package with respect to the female-side fitting contact and the insulator of the connector. By preparing and using the above, there is an effect that the fitting operation between the female fitting contact and the male fitting contact can be performed more smoothly and easily.
[Brief description of the drawings]
FIG. 1 is a perspective view of a circuit board and a flat package mounted state, a partially enlarged perspective view thereof, and a partial cross-sectional side view for explaining a fitting operation, showing an embodiment of the connector of the present invention.
2 is a partially enlarged plan view of the embodiment shown in FIG. 1, as well as a partial cross-sectional side view and a general cross-sectional side view. FIG.
FIG. 3 is a cross-sectional side view for explaining the fitting operation of the embodiment shown in FIG. 1;
4 is a top plan view showing an embodiment of the connector fitting jig shown in FIG. 1, and a partial cross-sectional side view showing the fitting procedure. FIG.
FIG. 5 is an exploded perspective view showing an example of a conventional connector.
6 is a cross-sectional side view showing the contact portion of the connector shown in FIG. 5 before and after connection.
[Explanation of symbols]
100 Female side fitting contact 110 Upper surface plate 121, 122 Side plate 130 Mating / connecting hole 131 Quadrilateral hole 132 Slot-shaped hole 140 Connection leg 200 Male side fitting contact 210 Upper surface plate 221, 222 Side surface plate 230 Connection lead 231 Middle shaft plate 232, 233 Sleeve portion 234 Protrusion 300 Signal contact 400 Insulator 410 Positioning hole 500 Connector fitting jig 510 Slide plate 511 Side holding portion 520 Slide operation portion 521 Cam portion 522 Operation handle 530 Positioning and holding Portion 531 Positioning pin 600, 600x Flat package 610, 610x, 620 Land 700, 700x Flat package 710, 710x, 720 Land 810 Back plate 820 Film 830 Contact 840 Insulator 8 0 presser plate 860 screw 870 positioning pin

Claims (4)

A connector for electrically connecting a first circuit and a second circuit, and holding and fixing between the two circuits, and having the following configurations.
(A) The conductive plate material is formed in a U-shaped cross section including the upper surface plate and both side surface plates, and has a predetermined length, and the upper surface plate is formed with a fitting / connecting hole. (B) A conductive elastic plate material is used to form a predetermined length in a U-shaped cross section including the upper surface plate and both side surface plates. After the top plate is removed from the die, a mating / connecting lead is formed and connected to the second circuit, and the mating / connecting lead is inserted into the mating / connecting hole of the female contact. A male mating contact that is slid and pressed into contact with the female mating contact; (c) one of the female mating contact and the male mating contact is held, and at the same time, When the mating contact and male mating contact are mated Insulator covering the side surfaces of these contacts The female-side mating contact includes a quadrilateral hole and a slot-shaped hole having a predetermined width and length that are connected to the hole and extend in the longitudinal direction of the top plate. The male-side mating contact is cantilevered with a narrower width than the slot-shaped hole of the mating / connecting lead with respect to the fitting / connecting hole. A central shaft plate extending in the longitudinal direction of the upper surface plate, connected to the tip portion of the central shaft plate and spreading on both sides in the width direction, further extending in the root direction of the central shaft plate and gradually bending away from the surface of the upper surface plate. And a sleeve-like portion having a width that can be inserted into a quadrilateral hole portion of the fitting / connecting hole, and after being inserted into the fitting / connecting hole, It slides in the direction of the slot-shaped hole and the sleeve-shaped part is At the same time as sliding into the back side of the upper surface plate on both sides in the width direction of the slot-shaped hole, the central shaft plate enters the slot-shaped hole and presses between the sleeve-shaped portion and both width-direction portions of the slot-shaped hole. The connector according to claim 1, wherein the connector is a contact structure. The male-side mating contact has protrusions formed on portions of the mating / connection lead that press-contact with both sides of the slot-like hole of the mating / connection hole of the female-side mating contact. Item 2. The connector according to item 2. The female mating contact has a plurality of fitting / connection holes arranged in the longitudinal direction of the upper surface plate, and the male mating contact has a plurality of fitting / connection leads, The connector according to claim 1, wherein the connector is arranged and arranged in the longitudinal direction of the upper surface plate so as to correspond to the fitting / connecting holes .

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