JP4462635B2 - connector - Google Patents

Description

  The present invention relates to a connector.

  Conventionally, there is a connector provided with a contact (substrate connection contact) connected to a through-hole of a substrate (see Patent Document 1 below).

  The board connection contacts are held in a housing having a housing shape, and the housing is fitted into the housing of the mating connector.

  The board connection contact includes a terminal portion, a contact portion, and a connecting portion. The terminal portion is located at one end of the board connection contact and is bent in a substantially U shape. The contact portion is located at the other end portion of the board connection contact, is substantially pin-shaped, and contacts the contact of the mating connector. The connecting portion is bent substantially in an L shape, connects the terminal portion and the contact portion, and is held by the housing.

This connector is electrically and mechanically connected to the board by inserting the terminal portion of the board connecting contact into the through hole of the board.
JP 2001-148261 A

  In the connector described above, almost half of the board connection contacts protrude outside the housing. However, since measures for preventing the deformation of the portion protruding to the outside of the housing are not taken, there is a possibility that the substrate contact may be plastically deformed when the terminal portion is inserted into the through hole of the substrate.

  In order to prevent this, it is only necessary to increase the thickness of the board connection contact. However, if this is done, the force required to insert the terminal part of the board connection contact into the through hole of the board will increase. This causes a problem that it becomes difficult to perform the insertion work.

  The present invention has been made in view of such circumstances, and an object thereof is to provide a connector that can be easily inserted into a through-hole of a contact and can prevent deformation of the contact.

  In order to solve the above-mentioned problems, a connector according to the invention of claim 1 is inserted into a first support surface for supporting a first substrate and a first through hole of the first substrate supported by the support surface. A first housing having a first insertion portion, a second support surface supporting the second substrate, and a second through hole of the second substrate supported by the support surface A second housing having a second insertion portion, a first fixing portion fixed to the first housing, and a second fixing portion fixed to the second housing, respectively, and the first and second through holes, respectively. Contactable first and second contact portions, first and second spring portions pressing the first and second contact portions against the first and second through holes, respectively, and the first and second contact portions And a contact having a connecting portion for connecting the two housings, the first and second insertions. The first and second contact portions are respectively accommodated in first and second accommodation portions formed in the respective portions, and at least a part of the first and second contact portions is the first and second contact portions. It protrudes to the outside of the accommodating part, respectively.

  When the contact part of the contact is inserted into the through hole of the board, even if there is a slight misalignment between the through hole and the contact part, the guide function of the housing insertion part works, and the contact part of the contact is Smooth guidance to the hall. At this time, the contact portion retreats into the accommodating portion of the insertion portion against the spring force of the spring portion, and an excessive load is not applied to the contact portion, so that plastic deformation of the contact can be suppressed. Therefore, a contact having a small thickness and a simple shape can be used as the contact, so that even if the number of contacts is increased, the force required to insert the contact portion of the contact into the through hole of the substrate does not increase.

  According to a second aspect of the present invention, in the connector according to the first aspect, the first and second housings are arranged so that imaginary lines extending from the first and second insertion portions are substantially orthogonal to each other. And

According to a third aspect of the present invention, in the connector according to the first or second aspect , the contact is formed by punching an elastic metal plate.

  According to the present invention, the contact can be easily inserted into the through hole, and deformation of the contact can be prevented.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  1 is a perspective view of a connector according to a first embodiment of the present invention, FIG. 2 is an exploded perspective view of the connector of FIG. 1, FIG. 3 is a perspective view showing a state in which the connector of FIG. FIG. 5 is a cross-sectional view taken along line IV-IV in FIG. 1 and shows a state before mounting the printed circuit board. FIG. 5 is a cross-sectional view taken along line VV in FIG. FIG. 6 is a perspective view showing a state before the second printed circuit board is connected after the first printed circuit board is connected to the connector of FIG. 1, and FIG. FIG. 8 is a cross-sectional view of the connector of FIG. 1 cut at the same position as in FIG. 4 and shows the state after the printed circuit board is mounted. FIG.

  As shown in FIGS. 1 to 3, the connector 101 includes a first housing 110, a second housing 120, and a plurality of contacts 130 and 150.

  The first housing 110 has a housing body 111 and a plurality of insertion portions 112.

  The housing body 111 is substantially plate-shaped, and has a support surface (first support surface) 111a that supports an end portion of a first printed circuit board (first substrate) 810 (see FIG. 4).

  The insertion portion 112 is substantially cylindrical and is formed on the support surface 111 a of the housing body 111. The distal end portion of the insertion portion 112 is formed in a substantially tapered shape. The insertion portions 112 are arranged in two rows at equal intervals along the longitudinal direction L1 of the housing 110. The insertion portion 112 in one row and the insertion portion 112 in the other row are shifted by a half pitch in the longitudinal direction L1.

  Positioning convex portions 113 are formed at both ends of the support surface 111 a of the housing body 111.

  A side wall 114 is formed on the peripheral edge of the support surface 111 a of the housing body 111.

  The second housing 120 has substantially the same configuration as the first housing 110 and includes a housing main body 121 and a plurality of insertion portions 122.

  The housing main body 121 is substantially plate-shaped, and has a support surface (second support surface) 121a that supports a terminal portion of a second printed circuit board (second substrate) 820 (see FIG. 4).

  The insertion part 122 is substantially cylindrical and is formed on the support surface 121 a of the housing body 121. The distal end portion of the insertion portion 122 is formed in a substantially tapered shape. The insertion portions 122 are arranged in two rows at equal intervals along the longitudinal direction L2 of the housing 120. The insertion portion 122 in one row and the insertion portion 122 in the other row are shifted by a half pitch in the longitudinal direction L2.

  Positioning projections 123 are formed at both ends of the support surface 121a of the housing body 121.

  A side wall 124 is formed on the peripheral edge of the support surface 121 a of the housing body 121.

  The contact 130 (first contact) is formed by punching a metal plate. As shown in FIG. 4, the contact 130 includes a first contact portion 131, a second contact portion 132, a first spring portion 133, a second spring portion 134, a connecting portion 135, and a press-fit portion (first fixing portion). ) 136, 137 and press-fitting portions (second fixing portions) 138, 139.

  The first contact portion 131 has a substantially triangular shape. The first contact portion 131 contacts the through hole 811 of the first printed board 810.

  The second contact portion 132 has a substantially triangular shape. The second contact portion 132 contacts the through hole 821 of the second printed circuit board 820.

  One end of the first spring part 133 is connected to the first contact part 131, and the other end of the first spring part 133 is connected to the connection part 135. The first spring portion 133 presses the first contact portion 131 against the through hole 811.

  One end of the second spring part 134 is connected to the second contact part 132, and the other end of the second spring part 134 is connected to the connection part 135. The second spring portion 134 presses the second contact portion 132 against the through hole 821.

  The connecting portion 135 extends from the first housing 110 to the second housing 120, and has a curved portion 135a at a position slightly closer to the second spring portion 134 than the intermediate position. The connecting portion 135 is spanned between the first housing 110 and the second housing 120, and connects the first housing 110 and the second housing 120.

  The press-fit portions 136 and 137 are connected to one end portion of the connecting portion 135 so as to sandwich the first spring portions 131 and 131. The press-fit portions 136 and 137 are press-fitted into the first housing 110.

  The press-fit portions 138 and 139 are connected to the other end portion of the connecting portion 135 so as to sandwich the second spring portions 134 and 134. The press-fitting portions 138 and 139 are press-fitted into the second housing 120.

  The contact 150 (second contact) is formed by punching a metal plate. The contact 150 has the same shape and the same size as the contact 130, and the parts are shared. However, when the contacts 130 and 150 are press-fitted into the first and second housings 110 and 120, it is necessary to alternately replace the front surface (the surface facing the die at the time of punching). . As shown in FIG. 5, the contact 150 includes a first contact portion 151, a second contact portion 152, a first spring portion 153, a second spring portion 154, a connecting portion 155, a press-fit portion (first fixing portion). ) 156, 157 and press-fitting portions (second fixing portions) 158, 159.

  The first contact portion 151 has a substantially triangular shape. The first contact portion 151 contacts the through hole 811 of the first printed board 810.

  The second contact portion 152 has a substantially triangular shape. The second contact portion 152 contacts the through hole 821 of the second printed circuit board 820.

  One end of the first spring part 153 is connected to the first contact part 151, and the other end of the first spring part 153 is connected to the connection part 155. The first spring portion 153 presses the first contact portion 151 against the through hole 811.

  One end of the second spring part 154 is connected to the second contact part 152, and the other end of the second spring part 154 is connected to the connection part 155. The second spring portion 154 presses the second contact portion 152 against the through hole 821.

  The connecting portion 155 extends from the first housing 110 to the second housing 120, and has a curved portion 155a at a position slightly closer to the first spring portion 153 than the intermediate position. The connecting portion 155 is spanned between the first housing 110 and the second housing 120, and connects the first housing 110 and the second housing 120.

  The press-fit portions 156 and 157 are connected to one end portion of the connecting portion 135 so as to sandwich the first spring portions 151 and 151. The press-fit portions 156 and 157 are press-fitted into the first housing 110.

  The press-fit portions 158 and 159 are connected to the other end portion of the connecting portion 155 so as to sandwich the second spring portions 154 and 154. The press-fit portions 158 and 159 are press-fitted into the second housing 120.

  As shown in FIGS. 4 and 5, the first housing 110 has a plurality of accommodating spaces 115 and 116.

  The accommodation space 115 is formed in the insertion portion 112 and the housing main body 111. The accommodation spaces 115 are arranged at equal intervals along the longitudinal direction L1 of the first housing 110. The first spring parts 133 and 153 are accommodated in the space on the housing main body 111 side in the accommodation space 115 so as to be deformable. The first contact portions 131 and 151 are movably accommodated in a space (accommodating portion 115a) on the first insertion portion 112 side in the accommodating space 115. Part of the first contact portions 131 and 151 protrudes out of the housing portion 115a.

  The accommodation space 116 is formed in the side wall 114 and the housing main body 111. The accommodation spaces 116 are arranged at equal intervals along the longitudinal direction L1 of the first housing 110.

  The second housing 120 has a plurality of accommodation spaces 125 and 126.

  The accommodation space 125 is formed in the insertion portion 122 and the housing main body 121. The accommodation spaces 125 are arranged at equal intervals along the longitudinal direction L2 of the second housing 120. The second spring portions 134 and 154 are accommodated in the space on the housing main body 121 side in the accommodation space 125 so as to be deformable. The second contact portions 132 and 152 are movably accommodated in a space (accommodating portion 125a) on the second insertion portion 122 side in the accommodating space 125. Part of the second contact portions 132 and 152 protrudes outside the accommodating portion 125a.

  The accommodation space 126 is formed in the side wall portion 124 and the housing main body 121. The accommodation spaces 126 are arranged at equal intervals along the longitudinal direction L2 of the second housing 120.

  The accommodating spaces 116 and 126 accommodate the curved portions 135a and 155a in a deformable manner. The sizes of the storage spaces 116 and 126 in the longitudinal directions L1 and L2 are larger than the sizes of the curved portions 135a and 155a in the longitudinal directions L1 and L2. As a result, the curved portions 135a and 155a can absorb the displacement in the longitudinal directions L1 and L2 between the first housing 110 and the second housing 120.

  As shown in FIG. 6, a conductive path 812 is connected to the through hole 811 (see FIG. 4) of the first printed board 810. A positioning hole 813 is formed in the first printed board 810. The positioning hole 813 receives the positioning convex portion 113.

  A conductive path 822 is connected to the through hole 821 (see FIG. 4) of the second printed circuit board 820. A positioning hole 823 is formed in the second printed circuit board 820. The positioning hole 823 receives the positioning convex portion 123.

  In order to connect the first printed circuit board 810 and the second printed circuit board 820 using the connector 101, the positioning hole 823 is aligned with the positioning projection 123 of the second housing 120 as shown in FIG. 7, the second printed circuit board 820 is lowered so that the positioning protrusions 123 pass through the positioning holes 823. Since the second printed circuit board 820 is positioned in the second housing 120 by the positioning hole 823 and the positioning convex portion 123, all the insertion portions 122 are inserted into all the through holes 821 and protrude from the accommodation portion 125a. The second contact portions 132 and 152 are in contact with the through hole 821, and the contacts 130 and 150 are electrically connected to the second printed board 820.

  Similarly, the first printed circuit board 810 is mounted on the first housing 110, and the first printed circuit board 810 and the second printed circuit board 820 are electrically connected by the connector 101.

  When the second printed circuit board 820 is placed on the support surface 121a of the second housing 120 in order to pass the positioning convex portion 123 through the positioning hole 823, the second printed circuit board 820 is slightly inclined with respect to the support surface 121a. The second contact portions 132 and 152 are inserted into the through hole 821 relatively obliquely, and the second contact portions 132 and 152 and the second spring portions 134 and 154 are to be deformed from the through hole 821. However, most of the force is received by the insertion portion 122, and the second contact portions 132 and 152 and the second spring portions 134 and 154 are not deformed. A similar action occurs in the first housing 110.

  As described above, since the first contact portions 131 and 151 are protected by the insertion portion 112 and the second contact portions 132 and 152 are protected by the insertion portion 122, a material having high strength is used as the material of the contacts 130 and 150. There is no need, and a flexible material can be used. As a result, the first and second contact portions 131, 151, 132, 152 can be easily inserted into the through holes 811, 821.

  As described above, according to this embodiment, the contact can be easily inserted into the through hole, and deformation of the contact can be prevented.

  In addition, since the positioning convex portions 113 and 123 are provided, an external force such as a pulling force is applied to the first and second printed circuit boards 810 and 820 after the first and second printed circuit boards 810 and 820 are attached to the connector 101. Even if applied, the external force can be received by the positioning convex portions 113 and 123, and the insertion portions 112 and 122 and the like can be prevented from being damaged.

  FIG. 9 is a cross-sectional view of a connector according to a second embodiment of the present invention, and FIG. 10 is a cross-sectional view showing a state where the first and second printed circuit boards are mounted on the connector shown in FIG. Portions common to the first embodiment are denoted by the same reference numerals and description thereof is omitted. Only the main differences from the first embodiment will be described below.

  In the first embodiment, the central axis of the insertion portion 112 of the first housing 110 and the central axis of the insertion portion 122 of the second housing 120 are substantially parallel. However, as shown in FIGS. Then, the central axis of the insertion part 212 of the first housing 210 and the central axis of the insertion part 222 of the second housing 220 are orthogonal to each other.

  The connecting portion 235 of the contact 230 has a bent portion 235a. The bent portion 235a connects the first housing 210 and the second housing 220 at a right angle to form a so-called angle-type connector.

  According to the second embodiment, the same effects as those of the first embodiment can be obtained, and the substrates 810 and 820 arranged substantially at right angles can be electrically connected.

  FIG. 11 is a cross-sectional view of a connector according to a third embodiment of the present invention.

  As shown in FIG. 11, the connector 301 includes a housing 310, an actuator 320, and a plurality of contacts 330.

  The housing 310 includes a housing main body 311 and a plurality of insertion portions 312.

  The housing main body 311 is substantially plate-shaped and has a support surface 311a that supports the first printed circuit board (connection object) 910.

  The plurality of insertion portions 312 are substantially cylindrical and are formed on the support surface 311 a of the housing body 311. The plurality of insertion portions 312 are arranged at equal intervals in one row along the longitudinal direction of the housing 310 (direction orthogonal to the paper surface).

  The housing 310 has a plurality of accommodation spaces 315. The accommodation space 315 is formed in the housing body 311 and the insertion portion 312. The space on the housing body 311 side of the housing space 315 extends along the width direction W3 of the housing body 311 and opens on the front surface (left side in FIG. 11) and the back surface (right side in FIG. 11) of the housing body 311. A portion other than the contact portion 332 of the contact 330 is accommodated in the space on the housing body 311 side.

  A space (accommodating portion 315 a) on the insertion portion 312 side of the accommodation space 315 extends in the central axis direction of the insertion portion 312. A contact portion 332 of the contact 330 is accommodated in this space.

  The actuator 320 is disposed at the front portion of the housing body 311. The actuator 320 has a shaft portion 321.

  The contact 330 is formed by punching a metal plate. The contact 330 includes a fixed portion 331, a first contact portion 332, a first spring portion 333, a second contact portion 334, a second spring portion 335, a bearing portion 336, a third spring portion 338, and a connecting portion 337. Have

  The fixing portion 331 has a pressure contact piece 331a. The pressure contact piece 331 a bites into the inner wall surface of the housing body 311. As a result, the contact 330 is fixed to the housing body 311.

  The first contact portion 332 contacts the through hole 911 of the printed circuit board 910. The first contact portion 332 is accommodated in the accommodation space 315 formed in the insertion portion 312 so as to be deformable. A part of the first contact portion 332 protrudes outside the accommodating portion 315a.

  One end of the first spring part 333 is connected to the first contact part 332, and the other end of the first spring part 333 is connected to the fixed part 331. The first spring portion 333 presses the first contact portion 332 against the through hole 911.

  The second contact portion 334 comes into contact with a conductor pattern (not shown) of a flexible substrate (another connection object) 920 inserted into the housing space 315 of the housing body 311.

  One end of the second spring part 335 is connected to the second contact part 334, and the other end of the second spring part 335 is connected to the connection part 337. The second spring portion 335 presses the second contact portion 334 against the flexible substrate 920.

  One end of the third spring portion 338 is connected to the bearing portion 336, and the other end is connected to the connecting portion 337.

  The bearing portion 336 supports the shaft portion 321 of the actuator 320 in a rotatable manner. As a result, the actuator 320 is rotatably attached to the housing body 311.

  The connecting portion 337 has elasticity, and connects the second spring portion 335 and the third spring portion 338 to the fixed portion 331.

  The printed circuit board 910 can be attached to the connector 301 by the same procedure as that for attaching the second printed circuit board 820 to the connector 101 of the first embodiment.

  In order to connect the flexible substrate 920 to the connector 301, the actuator 320 is rotated in advance toward the insertion portion 312 and the front portion of the housing body 311 is opened.

  In this state, when the flexible substrate 920 is inserted into the accommodation space 315 from the front of the housing 310, the distal end portion of the flexible substrate 920 is inserted between the contact portion 334 and the bearing portion 336.

  Next, the actuator 320 is closed. As a result, the printed circuit board 920 is pressed against the contact portion 334 by the actuator 320 and mechanically and electrically connected to the connector 301.

  The third embodiment has the same effects as the first embodiment.

  In the above-described embodiment, a contact formed by punching a metal plate is used, but the type of contact is not limited to this.

  Moreover, although the printed circuit board and the flexible substrate were mentioned as an example as a board | substrate of a connection target object, as a board | substrate of a connection target object, it is not restricted to these, For example, a card type electronic component etc. are also included.

FIG. 1 is a perspective view of a connector according to a first embodiment of the present invention. FIG. 2 is an exploded perspective view of the connector of FIG. FIG. 3 is a perspective view showing a state in which the connector of FIG. 1 is cut almost in half. FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. 1 and shows a state before the printed circuit board is mounted. FIG. 5 is a cross-sectional view taken along the line VV in FIG. 1 and shows a state before the printed circuit board is mounted. 6 is a perspective view showing a state before connecting the second printed circuit board after connecting the first printed circuit board to the connector shown in FIG. 7 is a perspective view showing a state after the first and second printed circuit boards are connected to the connector of FIG. FIG. 8 is a cross-sectional view of the connector of FIG. 1 cut at the same position as FIG. 4 and shows a state after the printed circuit board is mounted. FIG. 9 is a cross-sectional view of a connector according to a second embodiment of the present invention. FIG. 10 is a cross-sectional view showing a state where the first and second printed circuit boards are mounted on the connector shown in FIG. FIG. 11 is a cross-sectional view of a connector according to a third embodiment of the present invention.

Explanation of symbols

101, 201 Connector 110, 210 First housing 112, 212 Insertion part 115a, 125a Housing part 120, 220 Second housing 122, 222 Insertion part 310 Housing 111a First support surface 121a Second support surface 130 Contact ( First contact)
150 contacts (second contact)
131, 151 1st contact part 132, 152 2nd contact part 133, 153 1st spring part 134, 154 2nd spring part 135, 155 Connecting part 136, 137, 156, 157 Press-fit part (first Fixed part)
138, 139, 158, 159 Press-fit part (second fixing part)
810 First printed circuit board (first circuit board)
811 Through hole (first through hole)
820 Second printed circuit board (second circuit board)
821 Through hole (second through hole)
301 Connector 311a Support surface 312 Insertion part 315a Housing part 330 Contact 331 Fixing part 332 Contact part 333 Spring part 334 Contact part (other contact part)
910 Printed circuit board (object to be connected)
911 Through hole 920 Flexible substrate (Other connection object)

Claims (3)

A first housing having a first support surface that supports the first substrate, and a first insertion portion that is inserted into the first through hole of the first substrate supported by the support surface;
A second housing having a second support surface for supporting the second substrate, and a second insertion portion inserted into a second through hole of the second substrate supported by the support surface;
First and second fixing portions fixed to the first and second housings respectively, and first and second contact portions that can contact the first and second through holes, respectively. A contact having first and second spring portions that press the second contact portion against the first and second through holes, respectively, and a connecting portion that connects the first and second housings,
The first and second contact portions are respectively accommodated in first and second accommodation portions formed in the first and second insertion portions, respectively, and at least a part of the first and second contact portions. Each projecting out of the first and second housing portions.   2. The connector according to claim 1, wherein the first and second housings are arranged so that virtual lines extending from the first and second insertion portions are substantially orthogonal. The connector according to claim 1, wherein the contact is formed by punching an elastic metal plate .

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