WO2022260185A1 - コネクタの接続構造 - Google Patents
コネクタの接続構造 Download PDFInfo
- Publication number
- WO2022260185A1 WO2022260185A1 PCT/JP2022/030081 JP2022030081W WO2022260185A1 WO 2022260185 A1 WO2022260185 A1 WO 2022260185A1 JP 2022030081 W JP2022030081 W JP 2022030081W WO 2022260185 A1 WO2022260185 A1 WO 2022260185A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- circuit board
- connector
- terminal
- connection structure
- holder
- Prior art date
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- 230000037431 insertion Effects 0.000 claims description 52
- 238000013459 approach Methods 0.000 claims description 3
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- 230000002093 peripheral effect Effects 0.000 description 10
- 230000003014 reinforcing effect Effects 0.000 description 10
- 238000002788 crimping Methods 0.000 description 8
- 238000005192 partition Methods 0.000 description 8
- 239000004020 conductor Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/75—Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
- H01R13/74—Means for mounting coupling parts in openings of a panel
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/7082—Coupling device supported only by cooperation with PCB
Definitions
- the present invention relates to a structure for connecting a connector to a circuit board.
- a connector for a printed circuit board that makes it easy to find connection failures of contacts is known (for example, Patent Document 1).
- the connector has a housing and a plurality of contacts.
- the housing has an opening into which the printed circuit board is inserted.
- the opening is provided with a plurality of grooves arranged in the horizontal direction, and the contacts are accommodated in the grooves.
- the contacts come into contact with circuit patterns provided on the printed circuit board.
- the housing is further provided with a window that extends into the opening from the top surface and allows the inserted printed circuit board to be viewed. By visually checking the printed circuit board inserted through the window, the operator can confirm whether the end face or edge of the printed circuit board is inserted to the predetermined fitting position of the contacts.
- an object of the present invention is to provide a structure for connecting a connector to a circuit board in which electrical connection is less likely to be lost.
- one aspect of the present invention provides a connection structure (1, 101) for a connector (3) connected to a connection portion of a circuit board (2) supported by a holder (10, 202, 601, 701). , 201, 301, 401, 600, 700), wherein the connecting portion and the connector are detachably coupled, and the holder is engaged with the circuit board electrically connected to the connector.
- a connector restricting portion (17, 203, 602, 702G) that restricts the movement in the direction to move is provided.
- the circuit board restricting portion restricts the movement of the circuit board in the direction of separating from the connector
- the connector restricting portion restricts the movement of the connector in the direction of separating from the circuit board.
- the connector is provided with a flange portion extending in a direction perpendicular to the connection direction of the connector
- the holder is provided with a support surface for supporting the circuit board
- the connector restricting portion includes: a projecting piece (17, 203) projecting from a distal side of the collar portion of the supporting surface with respect to the circuit board, wherein the projecting piece is projected from the collar when the connector moves in a direction separating from the circuit board; It is preferable that the movement of the connector is restricted by coming into contact with the portion.
- the movement of the connector in the direction of separation from the circuit board is restricted by the flange and the projecting piece. Therefore, the circuit board and the connector are difficult to separate from each other, and the electrical connection is less likely to be lost.
- the collar preferably has a pressing surface (54) facing distally in the connection direction.
- the worker can apply a load so as to bring the connector closer to the circuit board by pressing the pressing surface.
- the circuit board and the connector can be electrically connected.
- the projecting piece is provided with an inclined surface (107) that slopes toward the circuit board as it approaches the supporting surface.
- the flange when the operator moves the flange along the slope when bringing the circuit board closer to the support surface in order to hold the circuit board on the support surface, the flange is guided by the slope to the circuit board. move to the side of As a result, the connector moves closer to the circuit board, so that the circuit board and the connector can be electrically connected more reliably.
- the surface of the brim on the circuit board side is preferably parallel to the end surface of the circuit board on the connection part side.
- the operator can understand the coupling state between the circuit board and the connector from the distance between the surface of the flange on the circuit board side and the end surface of the circuit board on the connecting part side.
- the flange and the projecting piece work together to prohibit the holder from supporting the circuit board. Good.
- the moving distance of the connector in the direction of separation from the circuit board can be kept below the threshold value. Accordingly, by appropriately setting the threshold, it is possible to prevent loss of electrical connection between the connector and the circuit board and physical separation of the connector and the circuit board.
- the connector has at least one terminal member (23, 303, 403) electrically connectable by contacting a terminal (8) of the circuit board, and the distance is equal to or less than the threshold value. In some cases, all of the terminal members of the connector connect to corresponding terminals of the circuit board.
- the connector has at least one terminal member (23, 303, 403) electrically connectable by contacting a terminal (8) of the circuit board, the terminal member being connected to the circuit board. and when the distance is equal to or less than the threshold value, at least one of the plurality of contacts included in each of the terminal members corresponds to the contact of the circuit board. It is better to touch the terminals.
- the connector has at least one terminal member (23, 303, 403) electrically connectable by contacting a terminal (8) of the circuit board, the terminal member being connected to the circuit board. wherein all the contacts of the terminal member contact the corresponding terminals of the circuit board when the distance is equal to or less than the threshold value.
- connection portion preferably includes a conductive pattern extending in the connection direction on the surface of the circuit board.
- the distance range in which the connector is electrically connected to the circuit board becomes longer in the connection direction, it becomes easier to obtain the electrical connection of the connector.
- FIG. 2 is a perspective view showing a connection state of a connector, a circuit board, and a holder according to the connector connection structure of the first embodiment
- FIG. 2 is an exploded perspective view of a circuit board and a connector according to the connector connection structure of the first embodiment
- FIG. 2 is a perspective cross-sectional view of a connector according to the connector connection structure of the first embodiment
- FIG. 4 is a perspective view showing a state in which the connector and the circuit board are connected in the connector connection structure according to the first embodiment; (A) A front view when the circuit board is not completely inserted into the connector, and (B) a top view when it is completely inserted.
- Top view showing the positional relationship between the terminals and contacts of FIG. 2 is a side cross-sectional view of the connector structure according to the first embodiment when the connector is (A) not in the allowable position and (B) is in the allowable position when the circuit board is inserted into the holder;
- FIG. 11 is a perspective view showing a state in which the connector and the circuit board are connected and the circuit board is held by a holder in the connector connection structure according to the third embodiment;
- FIG. 11 is a perspective view showing a state in which the connector and the circuit board are connected and the circuit board is held by a holder in the connector connection structure according to the third embodiment;
- FIG. 11 is a perspective view showing a state in which the connector and the circuit board are connected and the circuit board is held by a holder in the connector connection structure according to the third embodiment;
- FIG. 11 is a top view showing a state in which the connector and the circuit board are connected and the circuit board is held by the holder in the connector connection structure according to the fourth embodiment;
- FIG. 5 shows a connector connection structure according to a fifth embodiment, including (A) a perspective view of a connector and a circuit board, and (B) a perspective cross-sectional view of the connector. (A) Top view, (B) side view, and (C) top view of the second modification of the connection structure of the connector. (A) Perspective view showing a third modification, and (B) Perspective view showing a fourth modification of the connector connection structure
- connection structure 1 A connector connection structure (hereinafter referred to as connection structure 1 ) according to the first embodiment is a structure for connecting a circuit board 2 and a connector 3 . As shown in FIG. 1, the circuit board 2 and the connector 3 are connected by inserting the end of the circuit board 2 into the connector 3 .
- the direction in which the circuit board 2 is inserted into the connector 3, that is, the direction in which the circuit board 2 and the connector 3 are connected is set to the front.
- this definition of direction is for convenience of explanation, and is not limited to this.
- the circuit board 2 is a plate-like board and is a so-called PCB (printed circuit board).
- the circuit board 2 is in the form of a rectangular plate having sides extending in the front-rear and left-right directions.
- Metal wiring (not shown) is provided on the surface of the circuit board 2 .
- two slits 5 extending forward are provided in the rear portion of the circuit board 2 .
- the lateral widths of the slits 5 are set to be different from each other, but the present invention is not limited to this aspect.
- a terminal 8 that connects to the wiring provided on the circuit board 2 is provided on the surface of the portion between the two slits 5 of the circuit board 2 (hereinafter referred to as the connecting portion 6).
- the terminal 8 is composed of a conductive pattern extending back and forth.
- the connector 3 is a so-called card edge connector in which the connecting portion 6 is connected so as to be removable from the rear.
- the connection structure 1 includes a holder 10 for supporting the circuit board 2 in addition to the circuit board 2 and the connector 3 .
- the holder 10 has a horizontal surface (hereinafter referred to as a support surface 12) on its upper surface.
- the support surface 12 is provided with a circuit board restricting portion 15 for restricting forward movement of the circuit board 2 .
- a through hole 14 is further provided at a suitable position of the circuit board 2, and the circuit board restricting portion 15 protrudes from the support surface 12 in a cylindrical shape and enters the through hole 14.
- the circuit board 2 is supported by the support surface 12 of the holder 10 with the circuit board restricting portion 15 inserted into the through hole 14 .
- the tip of the circuit board restricting portion 15 is preferably tapered. Thereby, the operator can easily insert the circuit board restricting portion 15 into the through hole 14 .
- the circuit board restricting portion 15 may be provided with ribs 15 ⁇ /b>A for holding the circuit board 2 at a position away from the support surface 12 on the outer peripheral surface thereof.
- the rib 15A forms a projection extending from the lower end (base end) of the circuit board restricting portion 15 to a predetermined height.
- the circuit board restricting portion 15 restricts the movement of the circuit board 2 in the front-rear and left-right directions with respect to the holder 10 , so that the circuit board 2 can only move upward with respect to the support surface 12 .
- the configuration of the circuit board restricting portion 15 is not limited to this aspect.
- the circuit board restricting portion 15 may be in any mode as long as it restricts forward movement of the circuit board 2 and allows upward movement with respect to the support surface 12 .
- a projecting wall 17 (projecting piece) is erected on the support surface 12 .
- the projecting wall 17 forms a wall surrounding the circuit board 2 .
- the support surface 12 is rectangular in size to match the circuit board 2, and the projecting wall 17 extends along the edge of the support surface 12.
- the projecting wall 17 has a rectangular tubular shape surrounding the circuit board 2 .
- the holder 10 has a rectangular box shape, and an accommodation space 18 for accommodating the circuit board 2 is defined by the inner peripheral surface of the projecting wall 17 and the support surface 12 .
- the projecting wall 17 is provided with an opening 19 that connects the inner side and the outer side of the projecting wall 17 behind the connecting portion 6 .
- the upper edge of opening 19 is open.
- the connector 3 is arranged to pass through the opening 19 when the connector 3 is connected to the circuit board 2 and the circuit board 2 is supported by the holder 10 .
- the connector 3 has a housing 21 and a plurality of terminal members 23.
- the housing 21 is an insulating resin member.
- the housing 21 has a substantially rectangular parallelepiped shape extending in the left-right direction.
- a plurality of terminal holes 25 are provided on the rear surface of the housing 21 .
- the terminal holes 25 are opened at the rear surface of the housing 21 and recessed forward.
- the terminal holes 25 are arranged side by side in the left-right direction.
- the terminal holes 25 each extend from the rear upper half of the housing 21 to the front upper half of the housing 21 and are open at the front upper half.
- a circuit board insertion hole 27 is provided in the housing 21 .
- the circuit board insertion hole 27 is provided in the lower half of the front surface of the housing 21 and recessed rearward.
- the circuit board insertion hole 27 has an opening extending in the left-right direction in the lower half of the front surface of the housing 21 .
- the opening has a substantially rectangular shape extending in the left-right direction when viewed from the front. As shown in FIG. 1, the connector 3 and the circuit board 2 are connected by inserting the connection portion 6 of the circuit board 2 into the circuit board insertion hole 27 .
- the housing 21 is provided at the front ends of the left and right side surfaces thereof with extending portions 29 extending outward to the left and right.
- the amount of extension of the extension portion 29 differs between the left and right sides, and is set according to the width of the slit 5 in the left-right direction.
- the operator cannot insert the circuit board 2 into the circuit board insertion hole 27 while being upside down. This prevents the operator from accidentally inserting the circuit board 2 into the circuit board insertion hole 27 while the circuit board 2 is upside down.
- the operator visually recognizes the inserted state of the connector 3 of the circuit board 2 by checking the area and presence/absence of the portion S surrounded by the front end of the extending portion 29 and the front portion of the slit 7. can do.
- the terminal holes 25 are provided with communication holes 31 communicating with the circuit board insertion holes 27, respectively.
- the communication hole 31 is preferably provided in the front portion of the terminal hole 25 .
- a lance piece 33 for locking the terminal member 23 is provided on the upper wall defining the upper edge of the terminal hole 25 .
- the lance piece 33 has a cantilever shape extending forward from the lower rear edge of the housing 21 .
- a locking projection (not shown) projecting downward is provided at the free end of the lance piece 33 .
- the terminal member 23 is a sheet metal member formed by bending a pressed metal plate.
- the terminal member 23 includes a cable connecting portion 35 , a housing 37 provided on the front side of the cable connecting portion 35 , and a spring piece 39 supported by the housing 37 .
- the cable connecting portion 35 has a barrel-shaped crimping portion 41 .
- the crimping portion 41 has a cylindrical shape extending forward and backward.
- a conductor 45 which is the core wire of the cable 43 , is crimped to the crimping portion 41 while being inserted through the inner hole of the crimping portion 41 . Thereby, the terminal member 23 is conductively connected to the conductor 45 of the cable 43 .
- the housing 37 has a groove-shaped cross-sectional portion 47 with a groove-shaped cross section that opens downward at the front.
- the grooved cross-sectional portion 47 includes a bottom wall 47A extending in the connection direction, and left and right walls 47B and 47C extending along the left and right side edges of the bottom wall 47A. ing.
- the bottom wall 47A has a surface facing the vertical direction and forms a wall body extending forward and backward.
- the bottom wall 47A is provided with a locking hole 47D penetrating in the vertical direction, and the locking projection of the lance piece 33 projects into the locking hole 47D, so that the terminal member 23 can be secured to the housing 21 as shown in FIG. locked to.
- the left wall 47B and the right wall 47C each have a surface facing the left and right sides and form a wall extending back and forth.
- the left wall 47B and the right wall 47C are each provided with a through-hole 47E penetrating in the left-right direction at approximately the center in the front-rear direction.
- the spring piece 39 is accommodated in the grooved cross-sectional shape portion 47 .
- the base end of the spring piece 39 is supported by the housing 37 by being connected to one of the left wall 47B, right wall 47C, and bottom wall 47A.
- the spring piece 39 extends rearward from the base end, is folded back toward the opening side of the grooved cross-sectional shape portion 47, and further extends forward.
- the lower surface of the spring piece 39 is provided with a pressing portion 39A and a contact portion 39B protruding downward.
- the pressing portion 39A and the contact portion 39B are formed by embossed portions of the spring piece 39 so as to protrude downward.
- the pressing portion 39A is located behind the contact portion 39B.
- the spring piece 39 has a protruding portion 39C that protrudes leftward and rightward between the pressing portion 39A and the contact portion 39B.
- the projecting portion 39C projects into the through hole 47E of the left wall 47B and the through hole 47E of the right wall 47C.
- the spring piece 39 forms a lever at its lower portion with the projecting portion 39C as a fulcrum, the pressing portion 39A as a power point, and the contact portion 39B as an action point.
- the terminal members 23 are inserted into the terminal holes 25, respectively.
- the lower surface of the spring piece 39 protrudes into the circuit board insertion hole 27 through the communication hole 31 .
- the pressing portions 39A are positioned inside the circuit board insertion hole 27, respectively.
- FIG. 6A When the circuit board 2 is inserted into the circuit board insertion hole 27 and the circuit board 2 contacts the pressing portion 39A, the pressing portion 39A moves toward the bottom wall 47A of the grooved cross-sectional portion 47. As a result, the contact portion 39B moves toward the circuit board insertion hole 27 and is pushed out to the circuit board 2 .
- FIG. 6A The relationship with the terminal 8 is shown. As shown in FIG. 6A, all the terminal members 23 of the connector 3 come into contact with the corresponding terminals 8 of the circuit board 2 at the contact portions 39B and pressing portions 39A. Thereby, the wiring of the circuit board 2 and the cable 43 connected to the terminal member 23 are electrically connected. In other words, the contact portion 39B and the pressing portion 39A constitute the contact of the terminal member 23. As shown in FIG.
- the insufficient insertion depth is within a predetermined allowable range.
- the terminal member 23 electrically connects to the circuit board 2 .
- the insufficient amount of insertion depth referred to here refers to the moving distance in the direction in which the connector 3 is separated from the circuit board 2 from the position where the circuit board 2 is completely inserted (or until the circuit board 2 is completely inserted). Movement distance of the connector 3 in the insertion direction required for . This tolerance generally ensures that contact between all terminal members 23 and corresponding terminals 8 of circuit board 2 is not lost (if terminal member 23 includes multiple contacts, the plurality of contacts included in each).
- the upper limit of the allowable range is called an effective fitting length (see x in FIG. 6(C)).
- the amount of insufficient insertion depth is limited to a threshold (hereinafter referred to as the allowable threshold) determined in consideration of the usage environment and processing tolerances. preferably.
- the acceptance threshold may be set to any value greater than 0 and less than or equal to the effective mating length.
- the permissible threshold is set to a predetermined value equal to or lower than the upper limit value of the insufficient amount of insertion depth for all contact points of the terminal member 23 to contact the corresponding terminal 8 (see y in FIG. 6(C)). is desirable.
- the state in which the circuit board 2 is completely inserted into the circuit board insertion hole 27 is referred to as the fully inserted state, and the position of the connector 3 at that time is referred to as the fully inserted position.
- the shortfall of the insertion depth of the circuit board 2 is equal to or less than the effective mating length, and at least one contact point of the terminal member 23 is in contact with the corresponding terminal 8 of the circuit board 2, and the connector 3 and the circuit board 2 are in contact with each other.
- the position of the connector 3 when the are electrically connected is referred to as the contact position.
- a state in which the insufficient insertion depth is greater than the effective mating length and the connector 3 and the circuit board 2 are not electrically connected is referred to as a non-contact state, and the position of the connector 3 at this time is the non-contact position. and described.
- the circuit board 2 is in the fully inserted position, it is in contact, and when the connector 3 is in the fully inserted position, it is in the contact position.
- the allowable state is called, and the position of the connector 3 at that time is called the allowable position.
- the insufficient amount of the insertion depth of the circuit board 2 is larger than the allowable threshold, it is called a non-allowable state, and the position of the connector 3 at that time is called a non-allowable position.
- the terminal holes 25 are arranged side by side in the left-right direction.
- the insertion depth of the terminal member 23 is configured to alternately change along the left-right direction.
- the left and right side surfaces of the housing 21 are provided with brim portions 50 that extend outward to the left and right at approximately the central portion in the front-rear direction.
- the flange portion 50 includes a left flange portion 50A provided on the left side surface of the housing 21 and a right flange portion 50B provided on the right side surface of the housing 21 .
- Each of the flanges 50 has a plate-like shape with a surface facing in the front-rear direction.
- the front surfaces of the left flange portion 50A and the right flange portion 50B are positioned on the same plane.
- the housing 21 is provided with flange reinforcing pieces 52 that connect the front surfaces of the left and right flanges 50 to the corresponding left and right side surfaces of the housing 21 .
- each of the collars 50 has a pressing surface 54 on its rear surface facing distally (that is, rearwardly) in the connecting direction.
- the pressing surface 54 is set to a size that can be pressed by an operator.
- the front surface of the flange portion 50 (the surface on the side of the circuit board 2) is positioned against the rear end surface of the circuit board 2 other than the connecting portion 6.
- the front surface of the flange portion 50 and the rear end surface of the circuit board 2 other than the connection portion 6 form straight lines parallel to each other in a top view.
- the curves are parallel to each other (for example, each is semicircular) (specifically, when one curve is separated from the other by a certain distance in the normal direction).
- the front portion of the collar portion 50 is the rear portion other than the connection portion 6 of the circuit board 2 and has a shape corresponding to the portion in the vicinity of the connection portion 6. can be understood in any manner.
- the distance d between the front surface of the flange 50 and the rear edge of the circuit board 2 is greater than when the connector 3 is in the fully inserted position (FIG. 5(B)). Therefore, the operator can easily understand the inserted state of the circuit board 2 based on the distance d between the front surface of the collar portion 50 and the rear edge of the circuit board 2 .
- the protruding wall 17 faces the housing 21 of the connector 3 from behind near the left and right edges of the opening 19 . Therefore, when the connector 3 moves rearward, it collides with the projecting wall 17 and its movement is restricted.
- the rearward movement distance of the connector 3 is the front-rear direction ( insertion direction) (hereinafter referred to as the set distance) or less. That is, since the moving distance of the connector 3 in the direction of separating from the circuit board 2 from the fully inserted position can be suppressed to a set distance or less, setting the set distance to an appropriate value allows the connector 3 and the circuit board 2 to be separated from each other. It is possible to prevent the loss of electrical connection between them and the physical separation of the connector 3 and the circuit board 2 .
- the set distance is set as the effective mating length
- the amount of rearward movement of the connector 3 from the completely inserted position is suppressed to be less than or equal to the effective mating length. This can prevent the connector 3 from being in the non-contact position. Therefore, loss of electrical connection between the connector 3 and the circuit board 2 can be prevented.
- the set distance When the set distance is set as the allowable threshold, the amount of rearward movement of the connector 3 from the completely inserted position is suppressed to the allowable threshold or less. This can prevent the connector 3 from being in the non-allowable position. Therefore, loss of electrical connection between the connector 3 and the circuit board 2 can be prevented, and deterioration of the connection state between the circuit board 2 and the connector 3 can be prevented.
- the set distance is the rearward travel distance of the connector 3 from the fully inserted position just before contact between one contact and the terminal 8 of the circuit board 2 is lost (hereinafter , contact threshold for all contacts (see y in FIG. 6B).
- the all-contact contact threshold corresponds to the upper limit of the insufficient amount of the insertion depth at which all the contacts of the terminal member 23 contact the corresponding terminals 8 .
- all the contacts of the terminal member 23 are brought into contact with the terminals 8 of the circuit board 2, so that the electrical connection between the connector 3 and the circuit board 2 is less likely to be lost.
- the position of the connector 3 where all the contacts of the terminal member 23 are connected to the corresponding terminals 8 of the circuit board 2 will be referred to as the all-contact contact position.
- the projecting walls 17 face the flanges 50 in the vicinity of the left and right edges of the opening 19, and the movement of the connector 3 is restricted by the collision of the projecting walls 17 against the flanges 50.
- the movement of the connector 3 may be restricted by the projecting wall 17 coming into contact with a portion of the connector 3 other than the collar portion 50 .
- connection structure 1 Next, the assembly of the connector 3, the circuit board 2, and the holder 10 configured in this manner and the effects of the connection structure 1 will be described.
- the circuit board restricting portion 15 into the through hole 14 of the circuit board 2.
- the circuit board 2 is assembled to the holder 10. As shown in FIG. At this time, since the circuit board restricting portion 15 is inserted into the through hole 14 of the circuit board 2 , the circuit board restricting portion 15 restricts movement (forward movement) of the circuit board 2 in the direction of separation from the connector 3 . .
- the projecting wall 17 faces the flange portion 50 from behind, and the rearward movement of the connector 3 with respect to the circuit board 2 and the holder 10 is restricted.
- the projecting wall 17 engages with the connector 3 electrically connected to the circuit board 2 and functions as a so-called connector restricting portion that restricts the movement of the connector 3 in the direction of separation from the circuit board 2 .
- the circuit board restricting portion 15 restricts the movement of the circuit board 2 in the direction of separation from the connector 3
- the projecting wall 17 restricts the movement of the connector 3 in the direction of separation from the circuit board 2 . become difficult to separate. Therefore, the separation of the circuit board 2 and the connector 3 can be prevented without providing the connector 3 with claws or the like that engage with the cutouts or through holes of the circuit board 2 .
- the circuit board 2 when the set distance is the effective mating length, the circuit board 2 is held by the holder when the insufficient amount of insertion of the connector 3 is larger than the effective mating length, that is, when the connector 3 is in the non-contact state. 10 can be prohibited from being supported on the support surface 12 . As a result, it is possible to prevent the circuit board 2 from being attached to the holder 10 and used even though the connector 3 is not electrically connected to the circuit board 2 .
- the circuit board 2 When the set distance is the allowable threshold, the circuit board 2 is placed on the support surface 12 of the holder 10 when the insufficient insertion amount of the connector 3 is greater than the allowable threshold, that is, when the connector 3 is in the non-allowable state. It can be prohibited to be endorsed. As a result, it is possible to prevent the circuit board 2 from being assembled in the holder 10 and used even though the electrical connection between the connector 3 and the circuit board 2 may be lost during use.
- the set distance is the all-contact contact threshold, it is possible to prohibit the circuit board 2 from being supported by the support surface 12 of the holder 10 when the connector 3 is not at the all-contact contact position. As a result, it is possible to prevent the circuit board 2 from being assembled in the holder 10 and used even though none of the contacts are in contact with the corresponding terminals 8 of the circuit board 2 .
- the collar 50 has a pressing surface 54 facing distally in the connecting direction, that is, facing rearward.
- the front surface of the collar portion 50 is parallel to the rear edge of the circuit board 2 (that is, the edge on the side of the connection portion 6). Therefore, the operator can visually recognize the insufficient amount of insertion of the circuit board 2 into the connector 3 by the distance d between the front surface of the flange portion 50 and the rear edge of the circuit board 2 . can be easily understood.
- the terminals 8 of the circuit board 2 are provided to extend forward and backward. Therefore, the positional range in which the connector 3 can be electrically connected to the circuit board 2 extends in the connection direction, and electrical connection between the connector 3 and the circuit board 2 can be easily obtained.
- the terminal member 23 and the terminal 8 of the circuit board 2 are electrically connected. and the circuit board 2 are more likely to be electrically connected.
- connection structure 101 according to the second embodiment differs from the connection structure 1 according to the first embodiment in the structure of a holder 102, and other structures are the same as those in the first embodiment. Therefore, description of other structures is omitted, and the structure of the holder 102 will be described below.
- the holder 102 is provided with a horizontal support surface 12 on its upper surface, as in the first embodiment.
- a circuit board restricting portion 15 is provided on the support surface 12 in the same manner as in the first embodiment.
- the circuit board restricting portion 15 restricts forward movement of the circuit board 2 supported on the support surface 12 (in this embodiment, including rearward and lateral directions).
- the circuit board restricting portion 15 has a columnar shape protruding from the support surface 12 .
- the circuit board restricting portion 15 projects into the through hole 14 of the circuit board 2 and restricts the movement of the circuit board 2 in the horizontal direction including the front.
- a projecting wall 17 is provided on the support surface 12 .
- the protruding wall 17 is a wall body that protrudes from the support surface 12 and extends so as to surround the circuit board 2 .
- the projecting wall 17 has a cylindrical peripheral wall 103 surrounding the circuit board 2 and an extension wall 105 connected to the upper end of the peripheral wall 103 . Openings 19 are provided in the peripheral wall 103 and the extension wall 105 at positions corresponding to the connection portions 6 of the circuit board 2 .
- a connector 3 connected to the circuit board 2 is passed through the opening 19 .
- the flange portion 50 is the peripheral wall 103 and is located in front of the portions defining the left and right edges of the opening 19 (hereinafter, opening edge portions 103A).
- opening edge portions 103A the portions defining the left and right edges of the opening 19
- the extension wall 105 has a slope 107 on its front surface that slopes obliquely upward toward the rear.
- the projecting wall 17 is provided with an inclined surface 107 that inclines toward the circuit board 2 as it approaches the support surface 12 .
- the front surface of the extension wall 105, the portion located on the left side and the portion located on the right side with respect to the opening 19, are located on the same plane.
- the extension wall 105 forms a wall extending obliquely upward toward the rear.
- the protruded wall 17 may be provided with reinforcing walls 17A extending rearward from the left and right edges of the opening 19. As shown in FIG. At least part of the reinforcement wall 17A is connected to the extension wall 105 at the front end. In this embodiment, the front end of the reinforcement wall 17A is connected to the extended wall 105 from the upper end to the lower end and to the peripheral wall 103 from the upper end to the substantially central portion.
- vertical walls 109 are provided at the upper ends of the extension walls 105 respectively.
- a vertical wall 109 extends upward from the upper end of the extension wall 105 .
- the front surface of the vertical wall 109 extends vertically and faces rearward.
- the lower front end of the vertical wall 109 is connected to the upper front end of the extension wall 105 .
- connection structure 101 configured in this manner.
- the circuit board restricting portion 15 separates the circuit board 2 from the connector 3 (forward). is restricted, and the projecting wall 17 restricts the movement of the connector 3 in the direction (backward) in which it separates from the circuit board 2 .
- the circuit board 2 and the connector 3 are less likely to be separated from each other, and the electrical connection between the circuit board 2 and the connector 3 is less likely to be lost.
- the circuit board 2 When the operator attaches the circuit board 2 to the holder 102 , first, the circuit board 2 is inserted into the circuit board 2 insertion hole of the connector 3 . Thereafter, the operator brings the circuit board 2 closer to the support surface 12 to hold it on the support surface 12 , inserts the circuit board restricting portion 15 into the through hole 14 , and supports the circuit board 2 on the support surface 12 .
- the insertion of the circuit board 2 into the circuit board insertion hole 27 may be insufficient, and the insufficient amount of insertion may be larger than the set distance.
- the flange portion 50 abuts against the slope 107 (FIG. 9B).
- the slope 107 pushes the collar portion 50 closer to the circuit board 2 side. Therefore, the connector 3 is pushed forward and guided to move closer to the circuit board 2 .
- the insufficient amount of the insertion amount becomes equal to or less than the set distance (FIG. 9(C)).
- the connector 3 when the set distance is the effective mating length and the insufficient amount of insertion is larger than the effective mating length, the connector 3 is pushed forward to make the insufficient amount of insertion equal to the effective mating length. can do. Thereby, the connector 3 can be brought to the contact position.
- the connector 3 can be placed in the allowable position. Further, when the set distance is the all-contact contact threshold, the connector 3 can be set to the all-contact contact position.
- the reinforcing wall 17A resists the load from above. Thereby, sufficient rigidity for guiding the connector 3 is ensured in the projecting wall 17 .
- a vertical wall 109 is provided at the upper end of the extension wall 105 . Therefore, when an operator holds the circuit board 2 and moves it downward, the vertical wall 109 prevents the collar portion 50 from moving backward, and the collar portion 50 can be directed toward the extension wall 105 more effectively. guided to move.
- the load applied from the slope 107 to the flange portion 50 may become non-uniform on the left and right sides.
- the rear portion of the connector 3 is positioned between the left and right reinforcing walls 17A, and its moving direction is restricted in the vertical direction. Thereby, the connector 3 can be prevented from rotating, and the connector 3 can be guided to move downward.
- connection structure 201 according to the third embodiment differs from the connection structure 1 according to the first embodiment in the structure of a holder 202, and other configurations are the same as those of the first embodiment. Therefore, description of other configurations is omitted, and the structure of the holder 202 according to the second embodiment will be described.
- a holder 202 according to the third embodiment, as shown in FIG. 10, has a horizontal support surface 12 on the upper surface, similarly to the first embodiment.
- a columnar circuit board restricting portion 15 similar to that of the first embodiment is projected from the support surface 12 .
- the circuit board 2 is placed on the support surface 12 and supported by the holder 202 so that the circuit board restricting portion 15 is inserted into the through hole 14 .
- By inserting the circuit board restricting portion 15 into the through hole 14 movement of the circuit board 2 in the front, rear, left, and right directions including the direction of separation from the connector 3 (that is, forward) is restricted.
- a connector 3 similar to that of the first embodiment is connected to the connection portion 6 of the circuit board 2 .
- Two protruding pieces 203 are provided on the upper surface of the holder 202 .
- the two projecting pieces 203 are opposed to each other on the left and right through the connector 3 connected to the circuit board 2 .
- the projecting pieces 203 are positioned behind the flange portion 50 respectively.
- Each projecting piece 203 includes a projecting piece main portion 203A projecting from the support surface 12 and a plurality of projecting piece reinforcing portions 203B connecting the outer peripheral surface of the projecting piece main portion 203A and the supporting surface 12 .
- the projecting piece main portion 203 ⁇ /b>A has a substantially cylindrical shape projecting from the support surface 12 .
- the tip of the projecting piece main portion 203A tapers upward.
- a slope 107 that slopes upward and rearward is provided on the front surface of the upper portion of the projecting piece main portion 203A.
- the projecting piece reinforcing portion 203B is provided on the rear surface and the left and right outer surfaces of the projecting piece main portion 203A.
- the projecting piece reinforcing portion 203B has a vertically extending rib shape and is connected to the support surface 12 at its lower end.
- the connector 3 moves rearward, the connector 3 abuts on the protruding piece 203 at the collar portion 50 . This restricts the rearward movement of the connector 3 , that is, the movement in the direction of separating from the circuit board 2 .
- the projecting piece 203 functions as a connector restricting portion that restricts the movement of the connector 3 in the direction of separation from the circuit board 2 .
- connection structure 201 configured in this manner.
- the circuit board restricting portion 15 restricts the movement of the circuit board 2 in the direction (forward) in which it separates from the connector 3 . Movement in the direction (rearward) separating from 2 is restricted. As a result, the circuit board 2 and the connector 3 are less likely to be separated from each other, and the electrical connection is less likely to be lost.
- connection structure 301 according to the fourth embodiment differs from the connection structure 201 according to the third embodiment only in the structure of the connector 3, and other configurations are the same as those of the third embodiment. Therefore, description of other configurations will be omitted, and the structure of the connector 3 according to the third embodiment will be described.
- the connector 3 includes a housing 21 (see FIG. 11(A)) and a plurality of terminal members 23 (see FIG. 11(B)) as in the first embodiment.
- the housing 21 has an L shape that extends downward in a side view and then extends forward.
- the housing 21 is provided with a circuit board insertion hole 27 recessed from the front to the rear as in the first embodiment, and a plurality of terminal holes 302 different in shape from the first embodiment. It is
- the terminal hole 302 is a recess provided in the housing 21, and accommodates a terminal member 303 having a shape different from that of the first embodiment.
- Each terminal hole 302 includes a terminal hole main portion 302A extending downward from the upper surface of the rear portion of the housing 21, and a terminal hole front portion 302B extending forward from the lower end of the terminal hole main portion 302A.
- a terminal hole front portion 302B of the terminal hole 302 is positioned above the circuit board insertion hole 27, and communicates with the circuit board insertion hole 27 at its lower portion, as in the first embodiment.
- the terminal hole main portions 302A are partitioned by partition walls 304 having surfaces facing in the horizontal direction.
- the terminal hole main portions 302A are open rearward.
- the terminal member 303 extends downward in a side view and then forms an L shape extending forward.
- the terminal member 303 includes a cable connecting portion 305, a housing 37 provided on the front side of the cable connecting portion 305 and extending in the front-rear direction, and a spring piece 39 supported by the housing 37.
- the housing 37 and the spring piece 39 are the same as those of the first embodiment, and the structure of the cable connecting portion 305 is different from that of the first embodiment.
- the cable connection part 305 is connected to the rear end of the housing 37 and extends upward.
- a cylindrical crimping portion 41 is provided at substantially the center in the vertical direction of the cable connection portion 305 , and the conductor 45 of the cable 43 is crimped to the crimping portion 41 .
- the terminal member 303 is conductively connected to the conductor 45 of the cable 43 .
- the housing 37 and the spring piece 39 are accommodated in the terminal hole front portion 302B of the terminal hole 302, the cable connection portion 305 is accommodated in the terminal hole main portion 302A, and the terminal member 303 is accommodated in the terminal hole 302 of the housing . is fixed.
- a cable 43 connected to the cable connecting portion 305 extends upward from the rear upper end of the housing 21 .
- the rear surface of the partition wall 304 is positioned behind the cable connecting portion 305 .
- the circuit board 2 is attached to the holder 10 with the circuit board restricting portion 15 inserted into the through hole 14 of the circuit board 2, as in the third embodiment.
- the holder 10 is provided with two projecting pieces 203 arranged side by side in the same manner as in the second embodiment. Each projecting piece 203 is coupled to the circuit board 2 and positioned behind the flange 50 of the connector 3 electrically connected to the circuit board 2 .
- connection structure 301 configured in this manner.
- the forward movement of the circuit board 2 is restricted by the circuit board restricting portion 15 protruding into the through hole 14 of the circuit board 2 .
- the projecting piece 203 provided on the holder 10 abuts against the flange portion 50 of the connector 3, and the rearward movement of the connector 3 is restricted.
- the movement of the circuit board 2 in the direction of separation from the connector 3 and the movement of the connector 3 in the direction of separation from the circuit board 2 are restricted, and the separation of the circuit board 2 and the connector 3 is prevented.
- the operator presses the pressing surface 54 of the flange 50 forward, as in the first embodiment, to move the connector 3 to the fully inserted position. can be moved to Furthermore, the operator can also move the connector 3 to the fully inserted position by pressing the rear end face of the partition wall 304 forward. As described above, the pressing surface for properly connecting the connector 3 to the circuit board 2 is wider than that of the second embodiment, so that the assembly workability of the connector 3 to the circuit board 2 is improved.
- connection structure 401 according to the fifth embodiment differs from the connection structure 301 according to the fourth embodiment only in the structure of the connector 3, and other configurations are the same as those of the third embodiment. Therefore, description of other configurations will be omitted, and the structure of the connector 3 according to the third embodiment will be described.
- the housing 21 has an L shape that extends upward in a side view and then extends forward.
- the housing 21 is provided with a circuit board insertion hole 27 recessed from the front to the rear as in the first embodiment, and a plurality of terminal holes 402 having a shape different from that in the first embodiment. It is The terminal hole 402 is a recess provided in the housing 21, and accommodates a terminal member 403 having a shape different from that of the first embodiment.
- Each terminal hole 402 includes a terminal hole main portion 402A extending upward from the rear lower surface of the housing 21, and a terminal hole front portion 402B extending forward from the upper end of the terminal hole main portion 402A.
- the terminal hole front portions 402B are located above the circuit board insertion holes 27, and communicate with the circuit board insertion holes 27 at their lower portions as in the first embodiment.
- the terminal hole main portions 402A are partitioned by partition walls 404 having surfaces facing in the horizontal direction.
- the terminal hole main portions 402A are open rearward.
- the terminal member 403 extends upward in a side view and then forms an L shape extending forward.
- the terminal member 403 includes a cable connecting portion 405, a housing 37 provided on the front side of the cable connecting portion 405 and extending in the front-rear direction, and a spring piece 39 supported by the housing 37.
- the housing 37 and the spring piece 39 are the same as those of the first embodiment, and the structure of the cable connecting portion 405 is different from that of the other embodiments.
- the cable connection part 405 is connected to the rear end of the housing 37 and extends downward.
- a cylindrical crimping portion 41 is provided at substantially the center in the vertical direction of the cable connecting portion 405 , and the conductor 45 of the cable 43 is crimped to the crimping portion 41 .
- the terminal member 403 is conductively connected to the conductor 45 of the cable 43 .
- the housing 37 and the spring piece 39 are accommodated in the terminal hole front portion 402B of the terminal hole 402, and the cable connecting portion 405 is accommodated in the terminal hole main portion 402A. is fixed. Cable 43 connected to cable connection 405 extends downward from the rear lower end of housing 21 .
- the rear surface of the partition wall 404 is located behind the cable connecting portion 405 .
- connection structure 401 configured in this manner.
- the forward movement of the circuit board 2 is restricted by the circuit board restricting portion 15 protruding into the through hole 14 of the circuit board 2 .
- the projecting piece 203 provided on the holder 10 abuts against the flange portion 50 of the connector 3, and the rearward movement of the connector 3 is restricted.
- the movement of the circuit board 2 in the direction of separation from the connector 3 and the movement of the connector 3 in the direction of separation from the circuit board 2 are restricted, and the separation of the circuit board 2 and the connector 3 is prevented.
- the operator presses the pressing surface 54 of the flange 50 forward, as in the first embodiment, to move the connector 3 to the fully inserted position. can be moved to Furthermore, the operator can also move the connector 3 to the fully inserted position by pressing the rear end surface of the partition wall 404 forward. As described above, the pressing surface for properly connecting the connector 3 to the circuit board 2 is wider than that of the second embodiment, so that the assembly workability of the connector 3 to the circuit board 2 is improved.
- each terminal member 23 has two contacts in the above embodiment, it is not limited to this aspect. As long as each terminal member 23 has one or more contacts, any mode may be used.
- circuit board restricting portion 15 has a columnar shape in the above embodiment, it is not limited to this aspect.
- the circuit board restricting portion 15 may be prismatic.
- the circuit board restricting portion 15 can have various shapes such as a recessed shape that matches the shapes of the connector 3 and the circuit board 2 .
- the forward movement of the circuit board 2 is restricted by inserting the circuit board restricting portion 15 into the through hole 14 provided in the circuit board 2, but this aspect is not limited. not.
- the circuit board restricting portion 15 may be of any mode as long as it restricts the movement of the circuit board 2 in the direction of separation from the connector 3 .
- the circuit board restricting portion 15 protrudes from the support surface 12 and contacts the front end surface of the circuit board 2 from the front to prevent the circuit board 2 from moving forward. It may be a wall body 501 that regulates.
- circuit board restricting portion 15 may be of any type for fixing the circuit board 2 to the holders 10 and 202, such as screwing, riveting, sandwiching with other members, ultrasonic welding, welding, and adhesives. , etc., to fix the circuit board 2 .
- the flange 50 of the connector 3 abuts against the protruding wall 17 and protruding piece 203 provided on the holder 10, thereby restricting the movement of the connector 3 in the direction of separation from the circuit board 2 (backward movement).
- the present invention is not limited to the location where the projecting wall 17 or projecting piece 203 abuts on the connector 3 as long as the projecting wall 17 or projecting piece 203 restricts the movement of the connector 3 in the direction of separation from the circuit board 2 .
- the protruding wall 17 protrudes from the support surface 12, contacts the rear end surface of the connector 3, and separates the connector 3 from the circuit board 2. It may be a wall 502 that restricts movement in the direction (backward). As shown in FIG. 14(C), the flange portion 50 is not essential, and any mode may be used as long as the movement of the connector 3 in the direction of separation from the circuit board 2 is restricted.
- the holder 10 is made up of an integral member, but it is not limited to this aspect.
- the holder 10 may be composed of a plurality of members.
- the holder 10 includes a member (first member) having the support surface 12 and the circuit board regulating portion 15, and a connector regulating portion including at least one of the projecting wall 17, the projecting piece 203, and the wall 502. may be configured by being combined with a member (second member).
- the second member may be assembled to the first member after the circuit board 2 is assembled to the support surface 12 of the first member.
- FIG. 15(A) shows a connection structure 600 according to a modification.
- the holder 10 that constitutes the connection structure 600 may be composed of a flat first member 601 and a second member 602 coupled to the support surface 12 of the first member 601 .
- FIG. 15(A) shows an example in which the second member 602 is fastened to the support surface 12 and comes into contact with the collar portion 50 of the connector 3 to restrict its rearward movement, but this is an example. However, it is not limited to this aspect.
- the second member 602 may be in any mode as long as it engages with the connector 3 and regulates the movement in the direction of separation from the circuit board 2 .
- the holder 10 may be composed of a first member 701 forming a box and a second member 702 forming a cover for the first member 701 .
- the first member 701 has a bottom wall 701A, a front wall 701B, a left wall 701C, a right wall 701D, and rear wall edges 701E.
- the support surface 12 is provided on the upper surface of the bottom wall 701A.
- the second member 702 has a top wall 702F and a central rear wall portion 702G. An opening 19 for inserting the connector 3 is provided in the rear wall central portion 702G.
- the rear wall central portion 702G is positioned behind the connector 3 and restricts the rearward movement of the connector 3.
- the rear wall central portion 702G functions as a connector restricting portion.
- FIG. 15(B) is merely an example, and the second member 702 includes left and right walls, which engage with the collar portion 50 to restrict the rearward movement of the connector 3. There may be. That is, when the second member 702 is combined with the first member 701 , the second member 702 engages with the connector 3 and restricts its movement in the direction of separation from the circuit board 2 . may
- circuit board 2 is supported by the holder 10 and temporarily fixed as in the above-described embodiment, the circuit board is fixed by screws, repeds, fitting with other members, ultrasonic welding, welding, adhesives, or the like. At least one of 2 and connector 3 may be coupled to holder 10 .
- the collar portion 50 is configured to have a flat plate shape, but it is not limited to this aspect.
- the collar portion 50 may have any shape and structure as long as it engages with connector restricting portions such as the protruding wall 17 and the protruding piece 203 to prevent the connector 3 from being separated from the circuit board 2.
- the connector restricting portion has a cylindrical shape projecting from the support surface 12
- the collar portion 50 may have a corresponding shape.
- the flange portion 50 may have a cylindrical shape corresponding to the outer surface of the connector restricting portion, or may have a semicircular rear surface.
- the collar portion 50 is connected to the connector restricting portion by means of an elastic member (for example, rubber, etc.), a string, a chain, a screw, or the like. may restrict the rearward movement of the connector 3 in cooperation with the connector restricting portion.
- an elastic member for example, rubber, etc.
- Connection structure according to the first embodiment 2: Circuit board 3: Connector 5: Slit 6: Connection part 8: Terminal 10: Holder 12: Support surface 14: Through hole 15: Circuit board restricting part 15A: Rib 17: Protrusion Wall (protrusion, connector regulation part) 17A: Reinforcing wall 18: Accommodating space 19: Opening 21: Housing 23: Terminal member 25: Terminal hole 27: Circuit board insertion hole 29: Extension part 31: Communication hole 33: Lance piece 35: Cable connecting part 37: Housing 39: Spring piece 39A: Pressing portion 39B: Contact portion 39C: Overhanging portion 41: Crimp portion 43: Cable 45: Conductor 47: Grooved cross-sectional shape portion 47A: Bottom wall 47B: Left wall 47C: Right wall 47D: Locking Hole 47E: Through hole 50: Flange 50A: Left brim 50B: Right brim 52: Flange reinforcing piece 54: Pressing surface 101: Connection structure 102 according to the second embodiment: Holder 103: Peripheral wall 103A: Opening edge
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Structure Of Printed Boards (AREA)
Abstract
Description
第1実施形態に係るコネクタの接続構造(以下、接続構造1)は、回路基板2とコネクタ3を接続するための構造である。図1に示すように、回路基板2及びコネクタ3は回路基板2の端部がコネクタ3に差し込まれることによって接続する。
第2実施形態に係る接続構造101は、第1実施形態に係る接続構造1と比べて、ホルダ102の構造が異なり、他の構造は第1実施形態と同様である。よって、他の構造については説明を省略し、以下、ホルダ102の構造について説明する。
第3実施形態に係る接続構造201は、第1実施形態に係る接続構造1に比べて、ホルダ202の構造が異なり、他の構成は第1実施形態と同様である。よって、他の構成については説明を省略し、第2実施形態に係るホルダ202の構造について説明する。
第4実施形態に係る接続構造301は、第3実施形態に係る接続構造201に比べて、コネクタ3の構造のみが異なり、他の構成は第3実施形態と同様である。よって、他の構成については説明を省略し、第3実施形態に係るコネクタ3の構造について説明する。
第5実施形態に係る接続構造401は、第4実施形態に係る接続構造301に比べて、コネクタ3の構造のみが異なり、他の構成は第3実施形態と同様である。よって、他の構成については説明を省略し、第3実施形態に係るコネクタ3の構造について説明する。
2 :回路基板
3 :コネクタ
5 :スリット
6 :接続部
8 :端子
10 :ホルダ
12 :支持面
14 :貫通孔
15 :回路基板規制部
15A :リブ
17 :突壁(突片、コネクタ規制部)
17A :補強壁
18 :収容空間
19 :開口
21 :ハウジング
23 :端子部材
25 :端子孔
27 :回路基板挿入孔
29 :延出部
31 :連通孔
33 :ランス片
35 :ケーブル接続部
37 :筐体
39 :ばね片
39A :押圧部
39B :接点部
39C :張出部
41 :圧着部
43 :ケーブル
45 :導体
47 :溝形断面形状部
47A :底壁
47B :左壁
47C :右壁
47D :係止孔
47E :貫通孔
50 :鍔部
50A :左鍔部
50B :右鍔部
52 :鍔部補強片
54 :押圧面
101 :第2実施形態に係る接続構造
102 :ホルダ
103 :周壁
103A :開口縁部分
105 :延長壁
107 :斜面
109 :垂直壁
201 :第3実施形態に係る接続構造
202 :ホルダ
203 :突片(コネクタ規制部)
203A :突片主部
203B :突片補強部
301 :第4実施形態に係る接続構造
302 :端子孔
302A :端子孔主部
302B :端子孔前部
303 :端子部材
304 :仕切壁
305 :ケーブル接続部
401 :第5実施形態に係る接続構造
402 :端子孔
402A :端子孔主部
402B :端子孔前部
403 :端子部材
404 :仕切壁
405 :ケーブル接続部
501 :壁体
502 :壁体
600 :接続構造
601 :第1の部材
602 :第2の部材
701 :第1の部材
701A :底壁
701B :前壁
701C :左壁
701D :右壁
701E :後壁両縁部
702 :第2の部材
702F :上壁
702G :後壁中央部
Claims (10)
- ホルダに支持された回路基板の接続部に接続するコネクタの接続構造であって、
前記接続部と前記コネクタとは抜き差し可能に結合し、
前記ホルダには、
前記コネクタに電気的に接続された前記回路基板に係合し、前記回路基板の前記コネクタから分離する方向の移動を規制する回路基板規制部と、
前記回路基板に電気的に接続された前記コネクタに係合し、前記コネクタの前記回路基板から分離する方向の移動を規制するコネクタ規制部と、が設けられているコネクタの接続構造。 - 前記コネクタには前記コネクタの接続方向に直交する方向に延出する鍔部が設けられ、
前記ホルダには前記回路基板を支持する支持面が設けられ、
前記コネクタ規制部は、前記支持面の前記鍔部の前記回路基板に対する遠位側において突出する突片を含み、
前記コネクタが前記回路基板から分離する方向に移動したときに、前記突片が前記鍔部に当接して前記コネクタの移動を規制する、請求項1に記載のコネクタの接続構造。 - 前記鍔部は前記接続方向の遠位側を向く押圧面を備える、請求項2に記載のコネクタの接続構造。
- 前記突片には前記支持面に近づくにつれて、前記回路基板の側に傾斜する斜面が設けられている、請求項2又は請求項3に記載のコネクタの接続構造。
- 前記鍔部の前記回路基板の側の面は、前記回路基板の前記接続部の側の端面に平行をなす、請求項2~請求項4のいずれか1項に記載のコネクタの接続構造。
- 前記回路基板及び前記コネクタの挿入方向における距離が所定の閾値より大きいときに前記鍔部と前記突片は協働して、前記ホルダへの前記回路基板の支持を禁止する、請求項2~5のいずれか1項に記載のコネクタの接続構造。
- 前記コネクタは前記回路基板の端子に接触することによって電気的に接続可能な少なくとも一つの端子部材を有し、
前記距離が前記閾値以下であるときには、前記コネクタの全ての前記端子部材が対応する前記回路基板の前記端子に接続する、請求項6に記載のコネクタの接続構造。 - 前記コネクタは前記回路基板の端子に接触することによって電気的に接続可能な少なくとも一つの端子部材を有し、
前記端子部材は前記回路基板の前記端子に接触する複数の接点を備え、
前記距離が前記閾値以下であるときには、前記端子部材のそれぞれに含まれる複数の前記接点のうち、少なくとも一つの前記接点が対応する前記回路基板の前記端子に接触する、請求項6に記載のコネクタの接続構造。 - 前記コネクタは前記回路基板の端子に接触することによって電気的に接続可能な少なくとも一つの端子部材を有し、
前記端子部材は前記回路基板の前記端子に接触する複数の接点を備え、
前記距離が前記閾値以下であるときには、前記端子部材の全ての前記接点が対応する前記回路基板の前記端子に接触する、請求項6に記載のコネクタの接続構造。 - 前記接続部は前記回路基板の表面上において、前記接続方向に延びる導電パターンを含む、請求項2~9のいずれか1項に記載のコネクタの接続構造。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS6436989U (ja) * | 1987-08-31 | 1989-03-06 | ||
JPH01183005A (ja) * | 1988-01-07 | 1989-07-20 | Fuji Xerox Co Ltd | 配線部品 |
JP2002270301A (ja) * | 2001-03-14 | 2002-09-20 | Newgin Corp | 基板ケースのコネクタ保持構造 |
JP2002270313A (ja) * | 2001-03-09 | 2002-09-20 | Yazaki Corp | 補機モジュール用中継部品および補機モジュール |
JP2008226714A (ja) * | 2007-03-14 | 2008-09-25 | Three M Innovative Properties Co | コネクタ |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPS6436989U (ja) * | 1987-08-31 | 1989-03-06 | ||
JPH01183005A (ja) * | 1988-01-07 | 1989-07-20 | Fuji Xerox Co Ltd | 配線部品 |
JP2002270313A (ja) * | 2001-03-09 | 2002-09-20 | Yazaki Corp | 補機モジュール用中継部品および補機モジュール |
JP2002270301A (ja) * | 2001-03-14 | 2002-09-20 | Newgin Corp | 基板ケースのコネクタ保持構造 |
JP2008226714A (ja) * | 2007-03-14 | 2008-09-25 | Three M Innovative Properties Co | コネクタ |
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