JP2007134169A - Connector assembly for substrate connection - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a connector assembly for substrate connection enabled to be constituted thinner. <P>SOLUTION: A female connector 3 has a locking hole 31 and a female side terminal installed at least at one part of a peripheral face and a peripheral part of the locking hole 31, while a male connector 2 has a bump 11 as a male side terminal opposed to the peripheral part of the locking hole 31 in a state of penetrating through the locking hole 31. Since the bump 11 penetrating through the locking hole 31 is hooked by the female connector 3, the female connector 3 and the male connector 2 are locked, and the female side terminal and the bump 11 are made into contact in this locking state. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a board connecting connector assembly.

As a conventional connector for this type of board connection, one disclosed in Patent Document 1 is known. In the connector disclosed in this Patent Document 1, a contact formed by bending a belt-like conductor into a bag path shape is provided in a socket as one connector, and a bag path portion of the contact is projected from a header as the other connector. A post having a conductor portion is inserted and fitted, and the inner side surface of the bag path-like portion of the contact and the outer side surface of the post are brought into contact with each other to conduct.
Japanese Patent Laying-Open No. 2004-055464 (FIG. 20)

  Small electronic devices such as cellular phones are required to be further reduced in size and weight, and accordingly, connectors for board connection used in the electronic devices are further increased. Thinning is required.

  However, the connector disclosed in Patent Document 1 has a structure in which the inner side surface of the pouch-like portion of the contact and the outer side surface of the post are brought into contact with each other, and when such a structure is further reduced, There is a problem that the coupling force due to the fitting becomes weak and it becomes easy to separate.

  Therefore, an object of the present invention is to obtain a board connecting connector assembly that can be configured to be thinner.

  According to a first aspect of the present invention, there is provided a connector assembly for connecting a board, a female base body provided with a locking hole, a female base body provided with a locking hole, and a peripheral surface and a peripheral edge portion of the locking hole. A female connector having a female terminal provided at least in part and electrically connected to the first circuit board, a male connector, a male base, and a protrusion on the male base And a male connector having a locking piece facing the peripheral edge of the locking hole in a state of passing through the locking hole and a male terminal electrically connected to the second circuit board. The locking piece penetrating the locking hole is hooked on the female base body to lock the female connector and the male connector. In this locked state, the female terminal and the male terminal are Contact.

  According to a second aspect of the present invention, in the board connecting connector assembly according to the first aspect, the locking piece includes a neck portion protruding from the male base and inserted through the locking hole, and the neck portion. A head portion that is continuous with the projecting end portion and faces a peripheral portion of the locking hole, and the locking hole communicates with a large diameter portion having a diameter larger than the diameter of the head portion and the large diameter portion. A small-diameter portion having a diameter smaller than the diameter of the head, allowing movement of the neck portion between the large-diameter portion and the small-diameter portion, and in a state where the neck portion is located in the small-diameter portion, The locking piece is hooked on the female side base and locks the female connector and the male connector.

  According to a third aspect of the present invention, in the board connecting connector assembly according to the first aspect, the locking piece includes a neck portion protruding from the male base body and inserted through the locking hole, and the neck portion. A head portion that is connected to the protruding end portion of the female base body and faces the peripheral edge portion of the locking hole, and the peripheral portion of the locking hole in the female base is such that the head passes through the locking hole. Have elasticity.

  According to a fourth aspect of the present invention, in the connector assembly for connecting boards according to any one of the first to third aspects, the female base has a two-layer structure in which two plate members are laminated. The locking hole and the female terminal are formed in one of the plate members, and a storage hole communicating with the locking hole is formed in the other plate member. The protruding portion of the locking piece protruding from the housing is housed.

  According to a fifth aspect of the present invention, in the connector assembly for connecting a board according to any one of the first to third aspects, the female-side base has a single layer structure, and the female-side base includes the The locking hole that opens on one side of the female base and the storage hole that has a larger diameter than the locking hole and communicates with the locking hole and that opens on the other side of the female base A step hole is formed, and the storage hole stores a protruding portion of the locking piece protruding from the locking hole.

  According to the first aspect of the present invention, since the locking piece penetrating the locking hole is hooked on the female base body to lock the female connector and the male connector, the height of the locking piece is reduced. In addition, the female connector and the male connector can be reliably locked, so that the board connecting connector assembly can be made thinner.

  According to the second aspect of the present invention, the locking piece is passed through the large-diameter portion of the locking hole and moved to the small-diameter portion, so that the locking piece is caught on the female base body and the female connector and the male connector are Since it is locked, the connecting operation of the female connector and the male connector can be performed relatively easily. Further, in the process of moving the locking piece from the large diameter part to the small diameter part, the locking piece is brought into sliding contact with the peripheral surface of the locking hole, so that the peripheral surface of the locking hole and the side surface of the locking piece are mutually Since the terminal is provided on the peripheral surface of the locking hole and the side surface of the locking piece, the contact between the terminals can be improved and the contact reliability between the terminals can be improved. Can be improved.

  According to the third aspect of the present invention, the peripheral portion of the locking hole in the female base body is elastically deformed by pushing the locking piece into the locking hole, whereby the head of the locking piece is locked. Since the female connector and the male connector are locked through the hole, the connecting operation between the female connector and the male connector can be performed relatively easily, and the locking hole can be made relatively small.

  According to the fourth aspect of the present invention, since the female side base has a two-layer structure, one plate member on which the female side terminal is formed is reinforced and protected by the other plate member, and the female side terminal and the male side substrate are Contact reliability with the side terminal can be improved. In addition, since the protruding portion of the locking piece protruding from the locking hole is housed in the housing hole of the other plate member, the appearance of the connector assembly for board connection can be improved, and the protruding portion is the periphery. It is possible to prevent the component from being obstructed.

  According to the fifth aspect of the present invention, the protruding portion of the locking piece protruding from the locking hole is housed in the housing hole, so that the appearance of the board connecting connector assembly can be improved. It is possible to prevent the protruding portion from interfering with the mounting of the peripheral components. In addition, since the female-side base has a single-layer structure, the female-side base can be simplified.

[First embodiment]
A first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is an exploded perspective view showing a board connecting connector assembly according to the present embodiment together with a circuit board, FIG. 2 is a perspective view showing a male connector and a female connector mounted on the circuit board, and FIG. FIG. 3 is a perspective view showing the board connecting connector assembly in an assembled state.

  As shown in FIGS. 1 to 3, the board connecting connector assembly 1 according to this embodiment includes a male connector 2 and a female connector 3. This connector assembly 1 for board connection generally includes a male connector 2 with bumps 11 that are locking pieces provided in the male connector 2 passing through locking holes 31 provided in the female connector 3. 2 and the female connector 3 are locked together. In this locked state, the first circuit board 4 connected to the female connector 3 and the second circuit board 5 connected to the male connector 2 are electrically connected.

  4 is a perspective view showing the male connector 2 as seen from the front side, FIG. 5 is a perspective view showing the male connector 2 as seen from the back side, FIG. 6 shows the male connector 2, and FIG. FIG. 4B is a front view, and FIG.

  As shown in FIGS. 4 to 6, the male connector 2 has a male base 12 formed in a strip shape. A plurality of bumps 11 protrude from the surface of the male base 12. These bumps 11 are arranged in a line along the longitudinal direction of the male substrate 12 with a predetermined interval. The bump 11 is made of a metal material and has conductivity. The bump 11 includes a neck 13 having a circular cross section projecting from the surface of the male base 12 and a head 14 continuously provided at the projecting end of the neck 13, and the vertical cross section is formed in a mushroom shape. Has been. The neck portion 13 is formed so as to increase in diameter from the base portion toward the protruding end portion, and is inserted into the locking hole 31 of the female connector 3. The head 14 is formed in a dome shape in cross section, and the diameter thereof is larger than the diameter of the neck 13. The head 14 faces the peripheral edge 31 a of the locking hole 31 when the neck 13 is inserted through the locking hole 31 of the female connector 3.

  The neck portion 13 of each bump 11 is surrounded by an annular terminal portion 15 projecting from the surface of the male base 12 and is connected to the terminal portion 15. The bump 11 constitutes a male terminal 16 together with the terminal portion 15.

  The terminal portion 15 is formed on the back surface of the male base body 12 via a connection portion 17 provided on the surface of the male base body 12 and a through-hole plating portion 18 formed through the front and back surfaces of the male base body 12. It is connected to the provided mounting pad section 19. The connection part 17, the through-hole plating part 18 and the mounting pad part 19 have conductivity. The male connector 2 is mounted on the second circuit board 5 in a state where the mounting pad portion 19 is connected to the electric circuit 5a on the second circuit board 5, whereby the second circuit board 5 and the male circuit 2 are connected. The side terminal 16 is electrically connected.

  In addition, cylindrical positioning bosses 20 project from both ends in the longitudinal direction on the surface of the male base 12. These bosses 20 are used for mutual positioning when the female connector 3 and the male connector 2 are coupled.

  7 is a perspective view showing the female connector 3 as seen from the front side, FIG. 8 is a perspective view showing the female connector 3 as seen from the back side, FIG. 9 shows the female connector 3, and FIG. FIG. 10B is a front view, FIG. 10C is a side view, and FIG. 10 is a plan view showing a part of the female connector 3 in an enlarged manner.

  As shown in FIGS. 7 to 10, the female connector 3 has a female-side base 32 formed in a strip shape. The female substrate 32 has a two-layer structure in which an FPC (Flexible Printed Circuit) 33 and a cover member 34 are stacked as two plate members.

  A plurality of locking holes 31 corresponding to the bumps 11 of the male connector 2 are formed through the FPC 33. Female terminals 35 that are electrically connected to the first circuit board 4 are formed on the peripheral surface 31 b and the peripheral edge 31 a of the locking hole 31.

  The male terminal 16 is connected to a mounting pad portion 37 provided on the back surface of the FPC 33 via a connection portion 36 provided on the back surface of the FPC 33. The connection portion 36 and the mounting pad portion 37 are conductive. Then, the female connector 3 is mounted on the first circuit board 4 in a state where the mounting pad portion 37 is connected to the electric circuit 4a on the first circuit board 4, whereby the first circuit board 4 and the female circuit 3 are mounted. The side terminal 35 is electrically connected.

  Here, the locking hole 31 has a large diameter portion 31c having a diameter larger than the diameter of the head portion 14 of the bump 11, and a small diameter having a diameter smaller than the diameter of the head portion 14 of the bump 11 communicating with the large diameter portion 31c. Part 31d, and is formed in a dart-like shape. The small diameter portion 31 d and the large diameter portion 31 c are arranged along the short side direction of the female side base 32. The locking hole 31 allows the neck portion 13 to move between the large diameter portion 31c and the small diameter portion 31d.

  The cover member 34 is laminated on the surface of the FPC 33. In the cover member 34, storage holes 38 are formed so as to correspond to the respective locking holes 31 of the FPC 33, and these storage holes 38 communicate with the corresponding locking holes 31. The diameter of the storage hole 38 is formed to be larger than the diameter of the locking hole 31, and the head is a portion that protrudes from the locking hole 31 (FPC 33) in the bump 11 in which the neck portion 13 is inserted into the locking hole 31. 14 is accommodated. The storage hole 38 is formed to have a large size that allows the bump 11 to move between the small diameter portion 31d and the large diameter portion 31c.

  Further, guide holes 39 into which the bosses 20 of the male connector 2 are fitted are formed at both ends of the female side base 32 in the longitudinal direction. The guide hole 39 is formed in a long hole shape so as to guide the movement of the boss 20 in the short direction of the female base 32.

  Next, the assembly procedure of the board connecting connector assembly 1 will be described. FIG. 11 is an enlarged vertical side view showing a part of the board connecting connector assembly 1 in an assembled state. First, the bump 11 of the male connector 2 is passed through the large diameter portion 31 c of the locking hole 31 of the female connector 3, the neck portion 13 of the bump 11 is positioned in the locking hole 31, and the head 14 is moved from the locking hole 31. Make it protruding. At this time, the boss 20 is inserted into the guide hole 39. Next, the male connector 2 and the female connector 3 are relatively slid along the short direction thereof, and the bump 11 is moved from the large diameter portion 31c of the locking hole 31 to the small diameter portion 31d (see FIG. 3). As a result, the neck 13 of the bump 11 is caught on the periphery of the locking hole 31, and the female connector 3 and the male connector 2 are locked and coupled to each other by the bump 11 (FIG. 11). In this locked state, the female terminal 35 and the male terminal 16 are in contact with each other. Here, in the present embodiment, the part a that contacts the female terminal 35 in the male terminal 16 is the terminal part 15 and the neck part 13 of the bump 11. In this locked state, the first circuit board 4 connected to the female connector 3 and the second circuit board 5 connected to the male connector 2 are electrically connected.

  According to the present embodiment described above, the bump 11 penetrating the locking hole 31 is hooked on the female side base 32 to lock the female connector 3 and the male connector 2, so that the height of the bump 11 is reduced. However, the female connector 3 and the male connector 2 can be reliably locked, and the board connecting connector assembly 1 can be made thinner.

  In the present embodiment, the head 14 of the bump 11 faces the peripheral edge 31a of the locking hole 31 of the female connector 3 in a state where the male connector 2 and the female connector 3 are coupled. The female connector 3 and the male connector 2 can also be locked by the portion 14 and the peripheral edge portion 31a of the locking hole 31, and the male connector 2 and the female connector 3 can be more reliably coupled.

  In this embodiment, the bump 11 is passed through the large-diameter portion 31c of the locking hole 31 and moved to the small-diameter portion 31d, so that the bump 11 is caught by the female base 32 and the female connector 3 and the male connector 2 are connected. Since it is locked, the connecting operation of the female connector 3 and the male connector 2 can be performed relatively easily. Further, in the process of moving the bump 11 from the large diameter portion 31 c to the small diameter portion 31 d, the bump 11 is brought into sliding contact with the peripheral surface 31 b of the locking hole 31, whereby the peripheral surface 31 b of the locking hole 31 and the neck portion 13 of the bump 11. Are mutually cleaned, so that the contact between the peripheral surface 31b of the locking hole 31 and the neck portion 13 of the bump 11 can be improved, and the bump 11 which is the male terminal 16 and the female terminal 35 are connected to each other. Contact reliability can be improved.

  In this embodiment, since the female base 32 has a two-layer structure, the FPC 33 that is one plate member on which the female terminal 35 is formed is reinforced and protected by the cover member 34 that is the other plate member. The contact reliability between the female terminal 35 and the male terminal 16 can be improved. Further, the head 14 of the bump 11 protruding from the locking hole 31 is housed in the housing hole 38 of the cover member 34, so that the appearance of the board connecting connector assembly 1 can be improved, and the projecting portion thereof. Can be prevented from interfering with mounting of peripheral components. At this time, since the thickness of the bump 11 can be absorbed by the thickness of the female substrate 32, the height can be reduced.

[Second Embodiment]
Next, a second embodiment of the present invention will be described with reference to FIGS. 12 is an enlarged plan view showing a part of the female connector of the board connecting connector assembly according to the present embodiment, and FIG. 13 is an enlarged view showing a part of the assembled board connecting connector assembly. FIG. In addition, the same part as embodiment mentioned above is shown with the same code | symbol, and description is abbreviate | omitted (same also in subsequent embodiment).

  The present embodiment is different from the first embodiment in that the female-side base 32A has a single-layer structure with a single plate member instead of a two-layer structure. Accordingly, a step hole 51 is formed through the female base body 32A of the present embodiment. The step hole 51 is provided with a locking hole 31 that opens on one surface side of the female base body 32A, and the engagement hole 31. A storage hole 38 is formed which has a larger diameter than the stop hole 31 and communicates with the locking hole 31 and opens to the other surface side of the female base 32.

  The female terminal 35 is formed on the peripheral surface of the step hole 51 including the peripheral surface 31 b of the locking hole 31.

  According to the present embodiment, since the female base 32A has a single-layer structure, the female base 32A can be simplified as compared to the two-layer female base 32.

[Third embodiment]
Next, a third embodiment of the present invention will be described with reference to FIGS. 14 is an enlarged plan view showing a part of the female connector of the board connecting connector assembly according to the present embodiment, and FIG. 15 is an enlarged view showing a part of the board connecting connector assembly in the assembled state. It is a vertical side view.

  A portion of the female side base 32B according to this embodiment that is related to the locking hole 31B is different from that of the first embodiment. The peripheral portion of the locking hole 31B in the FPC 33B of the female base 32B has elasticity that allows the head 14 of the bump 11 to pass through the locking hole 31B. Specifically, the locking holes 31B are formed in a circular shape, and notches 41 communicating with the locking holes 31B are formed at substantially equal intervals around the locking holes 31 in the FPC 33B of the female base 32B. . Thereby, the surrounding part of the locking hole 31B in FPC33 can be elastically deformed to the axial direction of the locking hole 31B. In the present embodiment, the storage hole 38B of the cover member 34B is formed in a circular shape.

  According to the present embodiment, the locking hole 31 has elasticity that allows the head portion 14 of the bump 11 to pass through the locking hole 31B. By pushing the bump 11, the peripheral portion of the locking hole 31B in the female base body 32B is elastically deformed, whereby the head 14 of the bump 11 passes through the locking hole 31B, and the female connector 3 and the male connector 2 Since the female side terminal 35 and the male side terminal 16 are in contact with each other, the connecting operation of the female connector 3 and the male connector 2 can be performed relatively easily. Further, since the peripheral portion of the locking hole 31B in the female base body 32B has elasticity that allows the head portion 14 of the bump 11 to pass through the locking hole 31B in this way, the locking hole Since it is not necessary to make 31B into a polished shape like the locking hole 31 of the first embodiment, the locking hole 31B can be made smaller than the locking hole 31 of the first embodiment. Thereby, the board | substrate connector assembly 1 can be reduced in size rather than 1st Embodiment.

[Fourth Embodiment]
Next, the 4th Embodiment of this invention is described based on FIG.16 and FIG.17. 16 is an enlarged plan view showing a part of the female connector of the board connecting connector assembly according to the present embodiment, and FIG. 17 is an enlarged view showing a part of the board connecting connector assembly in an assembled state. It is a vertical side view.

  This embodiment differs from the third embodiment in that the female base body 32C is not a two-layer structure but a one-layer structure using a single plate member. Accordingly, a step hole 51C is formed through the female base body 32C of the present embodiment, and a locking hole 31B that opens on one surface side of the female base body 32C is provided in the step hole 51C. A storage hole 38B is formed which has a larger diameter than the stop hole 31B and communicates with the locking hole 31B and opens to the other surface side of the female base 32C.

  Further, the notch 41 communicating with the locking hole 31B opens to one surface side of the female base 32C and is formed at the same height as the locking hole 31B, and the peripheral portion of the female base 32C around the locking hole 31B. However, it can be elastically deformed in the axial direction of the locking hole 31B. Thus, the peripheral portion of the locking hole 31B in the female base 32C has elasticity that allows the head 14 of the bump 11 to pass through the locking hole 31B, as in the third embodiment. .

  The female terminal 35 is formed on the peripheral surface of the step hole 51 including the peripheral surface 31Bb of the locking hole 31B.

  According to the present embodiment, since the female base 32C has a single-layer structure, the female base 32C can be simplified as compared to the two-layer female base 32B.

  The present invention is not limited to the above embodiment, and various other embodiments can be adopted without departing from the gist of the present invention.

It is a disassembled perspective view which shows the connector assembly for board connection concerning the 1st Embodiment of this invention with a circuit board. It is a perspective view which shows the male connector and female connector of the state mounted in the circuit board concerning the 1st Embodiment of this invention. It is a perspective view which shows the connector assembly for board connection concerning the 1st Embodiment of this invention in an assembly state. It is a perspective view which shows the male connector concerning the 1st Embodiment of this invention seeing from the surface side. It is a perspective view which shows the male connector concerning the 1st Embodiment of this invention seeing from a back surface side. The male connector concerning the 1st Embodiment of this invention is shown, (a) is a top view, (b) is a front view, (c) is a side view. It is a perspective view which shows the female connector concerning the 1st Embodiment of this invention seeing from the surface side. It is a perspective view which shows the female connector concerning the 1st Embodiment of this invention seeing from the back surface side. The female connector concerning the 1st Embodiment of this invention is shown, (a) is a top view, (b) is a front view, (c) is a side view. It is a top view which expands and shows a part of female connector concerning the 1st Embodiment of this invention. It is a vertical side view which expands and shows a part of the connector assembly for board connection of the assembly state concerning the 1st Embodiment of this invention. It is a top view which expands and shows a part of female connector 3 of the connector assembly for board connection concerning the 2nd Embodiment of this invention. It is a vertical side view which expands and shows a part of board-connector connector assembly of the assembly state concerning the 2nd Embodiment of this invention. It is a top view which expands and shows a part of female connector of the connector assembly for board connection concerning the 3rd Embodiment of this invention. It is a vertical side view which expands and shows a part of board assembly connector assembly of the assembly state concerning the 3rd Embodiment of this invention. It is a top view which expands and shows a part of female connector of the connector assembly for board connection concerning the 4th Embodiment of this invention. It is a vertical side view which expands and shows a part of board assembly connector assembly of the assembly state concerning the 4th Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Connector assembly for board connection 2 Male connector 3 Female connector 4 1st circuit board 5 2nd circuit board 11 Bump (locking piece)
12 Male side base 13 Neck 14 Head 16 Male terminal 31 Locking hole 31a Peripheral surface 31b of locking hole 31c Peripheral surface of locking hole 31c Large diameter part 31d Small diameter part 31B Locking hole 31Bb Peripheral surface 32 of locking hole Female side base 32A Female side base 32B Female side base 32C Female side base 33 FPC (plate member)
33B FPC (plate member)
34 Cover member (plate member)
34B Cover member (plate member)
35 Female terminal 38 Storage hole 38B Storage hole 51 Step hole 51C Step hole

Claims (5)

A female-side base provided with a locking hole; and a female-side terminal provided on at least a part of the peripheral surface and the peripheral edge of the locking hole and electrically connected to the first circuit board. A female connector;
A male base body, a locking piece projecting from the male base body and penetrating the locking hole and facing the peripheral edge of the locking hole, and a male circuit electrically connected to the second circuit board A male connector having side terminals;
With
The locking piece penetrating the locking hole is hooked on the female base to lock the female connector and the male connector. In this locked state, the female terminal and the male terminal are in contact with each other. A connector assembly for board connection. The locking piece has a neck portion that protrudes from the male base and is inserted into the locking hole, and a head portion that is connected to the protruding end of the neck portion and faces the peripheral edge of the locking hole. ,
The locking hole has a large-diameter portion having a diameter larger than the diameter of the head and a small-diameter portion communicating with the large-diameter portion and having a diameter smaller than the diameter of the head. Allowing movement of the neck between the small diameter part,
2. The board connecting connector assembly according to claim 1, wherein a locking piece is hooked on the female-side base body to lock the female connector and the male connector in a state where the neck portion is positioned at the small diameter portion. The locking piece has a neck portion that protrudes from the male base and is inserted into the locking hole, and a head portion that is connected to the protruding end of the neck portion and faces the peripheral edge of the locking hole. ,
2. The board connecting connector assembly according to claim 1, wherein a peripheral part of the locking hole in the female-side base body has elasticity to allow the head to pass through the locking hole. The female side substrate has a two-layer structure in which two plate members are laminated,
One of the plate members has the locking hole and the female terminal, and the other plate member has a storage hole communicating with the locking hole. 4. The connector assembly for board connection according to claim 1, wherein a protruding portion of the protruding locking piece is accommodated. The female-side base has a single-layer structure, and the female-side base is formed with the locking hole opened on one side of the female-side base and a larger diameter than the locking hole. And a step hole having a storage hole that opens to the other surface side of the female base and is formed,
The board connecting connector assembly according to any one of claims 1 to 3, wherein the storage hole stores a protruding portion of the locking piece protruding from the locking hole.

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