WO2017208597A1 - Structure de connexion de substrat et endoscope - Google Patents

Structure de connexion de substrat et endoscope Download PDF

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Publication number
WO2017208597A1
WO2017208597A1 PCT/JP2017/012612 JP2017012612W WO2017208597A1 WO 2017208597 A1 WO2017208597 A1 WO 2017208597A1 JP 2017012612 W JP2017012612 W JP 2017012612W WO 2017208597 A1 WO2017208597 A1 WO 2017208597A1
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WO
WIPO (PCT)
Prior art keywords
connector
substrate
board
guide hole
protrusion
Prior art date
Application number
PCT/JP2017/012612
Other languages
English (en)
Japanese (ja)
Inventor
直紀 荒川
Original Assignee
オリンパス株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by オリンパス株式会社 filed Critical オリンパス株式会社
Publication of WO2017208597A1 publication Critical patent/WO2017208597A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
    • 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
    • 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
    • H05K1/14—Structural association of two or more printed circuits
    • 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
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/36—Assembling printed circuits with other printed circuits

Definitions

  • the present invention relates to a board connecting structure for electrically connecting two boards to each other and an endoscope having the connecting structure.
  • a connection portion with an external device includes a cylindrical exterior.
  • Two substrates are arranged inside the exterior of the connection portion.
  • Each of the substrates is provided with an electric circuit and a connector. By connecting the connectors provided on each of the substrates, the substrates are electrically connected to each other.
  • one end of the cylindrical shape is opened in the exterior of the connection portion, and one substrate is inserted into the exterior of the exterior from the opening to the bottom of the cylindrical shape. It connects with the other board
  • substrate is arrange
  • the present invention has been made in order to solve the above-described problems, and an object of the present invention is to provide a board connection structure that can be easily assembled and can appropriately connect connectors, and an endoscope having the connection structure. It is to provide.
  • a board connection structure is provided on a first board, a second board, a first connector provided on the first board, and the second board.
  • a second connector coupled to the first connector; a projection protruding from the first substrate along a direction in which the first connector and the second connector are coupled; and the projection provided on the second substrate.
  • a guide hole to be fitted, wherein the projection has an insertion length from a fitting portion with the projection in the guide hole larger than a fitting length between the first connector and the second connector. It is set large.
  • FIG. 1 is a schematic diagram illustrating an endoscope according to an embodiment.
  • FIG. 2 is a perspective view showing the connector according to the embodiment.
  • FIG. 3 is a perspective view showing an internal configuration of the connector according to the embodiment.
  • FIG. 4 is a perspective view showing the substrate base fixed to the main frame according to the embodiment.
  • FIG. 5 is a perspective view showing a connection structure between the first substrate and the second substrate according to the embodiment.
  • FIG. 6 is a perspective view illustrating a state in which the first substrate and the second substrate according to the embodiment are connected.
  • FIG. 7A is a schematic diagram illustrating a state in which the proximal end of the guide pin according to the embodiment is fitted to face the distal end of the guide hole.
  • FIG. 7A is a schematic diagram illustrating a state in which the proximal end of the guide pin according to the embodiment is fitted to face the distal end of the guide hole.
  • FIG. 7B is an enlarged view of a portion indicated by reference numeral 7B in FIG. 7A.
  • FIG. 8A is a schematic diagram illustrating a state in which the guide pin according to the embodiment is fitted in the guide hole.
  • FIG. 8B is an enlarged view of a portion indicated by reference numeral 8B in FIG. 8A.
  • FIG. 9 is a schematic diagram illustrating a state in which the second substrate according to the embodiment is inclined with respect to the first substrate.
  • FIG. 10 is a schematic diagram illustrating a connection structure between guide pins and guide holes in a state where the second substrate according to the embodiment is most inclined with respect to the first substrate.
  • FIG. 11 is an enlarged view of a portion indicated by reference numeral 8B in FIG. 8A according to a modification of the embodiment.
  • FIG. 1 is a diagram illustrating an endoscope 1 that is an insertion device.
  • the endoscope 1 includes an insertion portion 2 that is inserted into an observation target site such as a lumen.
  • An operation unit 3 is connected to the insertion unit 2.
  • a universal cable 4 is extended from the side surface of the operation unit 3.
  • a connection portion 5 is provided at the end of the universal cable 4.
  • the connection unit 5, the universal cable 4, the operation unit 3, and the insertion unit 2 incorporate an illumination optical system and an observation optical system, and a plurality of tubes for suction, air supply, water supply, and the like.
  • connection unit 5 is detachably connected to an external device (not shown) including a light source device and a processor. For this reason, the endoscope 1 and the external device are electrically connected via the connection unit 5. Then, electric power is supplied from the external device to the endoscope 1 and / or an electric signal is transmitted between the external device and the endoscope 1.
  • the operation unit 3 has various switches 3a for appropriately operating the observation optical system. Since the endoscope 1 and the external device are electrically connected, the observation optical system can be appropriately controlled by operating one of the switches 3a.
  • the endoscope 1 and the external device are optically connected via the connection unit 5.
  • the longitudinal axis C is defined in the connecting part 5.
  • the direction along the longitudinal axis C (substantially parallel) is defined as the longitudinal direction.
  • one side in the longitudinal direction is defined as a distal end side (arrow C1 side), and a side opposite to the distal end side is defined as a proximal end side (arrow C2 side).
  • FIG. 2 is a diagram illustrating a configuration of the connection unit 5.
  • a connection member 28 connected to an external device is provided at the distal end portion of the connection portion 5.
  • the connection member 28 is formed of one or more contact pins 31 and an insulating material that covers a part of the contact pins 31 (see FIG. 3).
  • a substantially cylindrical connector case 23 is extended along the longitudinal direction on the proximal end side of the connecting member 28.
  • a substantially disc-shaped metal frame (base) 20 is sandwiched between the connection member 28 and the connector case 23.
  • a tubular connector cover 24 extending along the longitudinal axis C is fixed to the proximal end side of the connector case 23. The diameter of the connector cover 24 becomes smaller toward the proximal end side.
  • a distal end of the universal cable 4 (distal end with respect to the operation unit 3) is connected to the proximal end portion of the connector cover 24.
  • a light guide base 26 and an air supply base 27 are provided on the front end surface of the connecting member 28.
  • the light irradiated to the observation target in the insertion portion 2 is supplied from an external device (light source). Further, in the air supply base 27, the gas supplied in the insertion portion 2 is supplied from an external device.
  • the light guide base 26 is provided on the distal end surface of the connection member 28.
  • the illumination optical system has a light emitting element such as an LED in the endoscope 1, the light guide base 26 is not necessary. .
  • the connector case 23 includes a base arrangement portion 37.
  • the base arrangement part 37 is formed with one or more base protrusions 39 that penetrate the connector case 23.
  • a base 38 provided inside the connection part 5 protrudes from the base protrusion part 39 toward the outside of the connector case 23.
  • the base 38 for example, a water supply base, a pressure tube base, a suction base, or the like is used.
  • FIG. 3 is a view showing a state in which the connector case 23 and the connector cover 24 are removed from the connection portion 5.
  • a base 38 is disposed inside the connection portion 5.
  • the base 38 protrudes from the inside of the connection part 5 to the outside of the connection part 5 through a base protrusion 39 provided in the base arrangement part 37 of the connector case 23.
  • a first substrate 71 which is a substantially disc-shaped electric substrate, is disposed substantially perpendicular to the longitudinal direction.
  • An electric circuit is formed on the surface of the first substrate 71.
  • the first substrate 71 is formed with a plurality of through lands 72 arranged in an arc along the edge. In each of the through lands 72, an end portion of the contact pin 31 extending from the connection member 28 to the proximal end side is inserted. Thereby, the connection member 28 and the first substrate 71 are electrically connected.
  • the main frame 50 that is a plate-like member extending along the longitudinal direction is fixed to the metal frame 20 with screws or the like (not shown).
  • the main frame 50 is formed of a metal material such as a stainless steel material.
  • a distal end portion of a shield case 77 extending along the longitudinal direction is connected to the surface on the proximal end side of the first substrate 71.
  • the shield case 77 is disposed substantially parallel to the main frame 50.
  • the shield case 77 is made of a metal material.
  • a plate-shaped second substrate 85 is provided inside the shield case 77.
  • the second substrate 85 is disposed substantially parallel to the shield case 77 and is fixed to the shield case 77 by screws at a plurality of fixing portions 86.
  • An electric circuit is formed on the surface of the second substrate 85.
  • the second substrate 85 is electrically connected to, for example, the switch 3a of the operation unit 3 via a connection cable or the like (not shown).
  • the second substrate 85 is connected to a first connector 60 (described later) of the first substrate 71 via a second connector 80 (described later).
  • the first substrate 71 and the second substrate 85 are connected substantially orthogonal to each other. Thereby, the second substrate 85 and the first substrate 71 are electrically connected.
  • connection structure between the first substrate 71 and the second substrate 85 will be described later.
  • the first substrate 71 is electrically connected to an external device via the connection member 28.
  • the endoscope 1 for example, the switch 3a of the operation unit 3
  • the external device are electrically connected via the electrical connection between the second substrate 85 and the first substrate 71.
  • FIG. 4 is a view showing the shield case 77, the main frame 50, and the substrate base 79.
  • the substrate base 79 has a contact surface 83 that contacts one surface of the shield case 77.
  • the substrate base 79 is screwed to the main frame 50 at the fixing portion 81.
  • a fixing portion 86 is provided on the contact surface 83 of the substrate base 79.
  • the substrate base 79 is detachably fixed to the shield case 77 at the fixing portion 86.
  • an engagement hole (not shown) is provided in the shield case 77 and the substrate base 79.
  • the board base 79 is fixed to the shield case 77 by inserting the fixing screws 87 into these engagement holes.
  • ⁇ Differences in the fixed positions of the shield case 77 and the board base 79 may occur due to variations in the dimensions of each part.
  • the engagement hole of the shield case 77 is formed to be larger than the diameter of the fixing screw 87, the shield case 77 in the direction along the contact surface 83 with respect to the substrate base 79.
  • the shield case 77 can be appropriately fixed to the substrate base 79 even if the position of the position is deviated to some extent.
  • the substrate base 79 includes a leaf spring portion 84 having a leaf spring structure between the fixed portion 81 and the fixed portion 86.
  • the plate spring portion 84 can absorb a positional shift in a direction substantially perpendicular to the contact surface 83. For this reason, even if the fixing position of the shield case 77 is shifted in the direction substantially perpendicular to the contact surface 83 due to variations in dimensions of each component, the position of the contact surface 83 is elastically changed, so that the shield The case 77 can be fixed with the fixing position shifted.
  • FIG. 5 is a view showing a connection structure between the first substrate 71 and the second substrate 85.
  • the fixing member 29 fixed to the inner surface side of the connection member 28 is provided with a plurality of holes 101 extending along the longitudinal direction.
  • a first substrate 71 is disposed on the base end side of the fixing member 29.
  • a plurality of holes 73 are formed in the first substrate 71 here.
  • a pin 70 extending in the longitudinal direction from the fixing member 29 is inserted into the hole 73.
  • the pin 70 is fitted in the hole 101 of the fixing member 29 in a state of being fitted in the hole 73.
  • the number of pins 70 is preferably the same as the number of holes 73 or less than the number of holes 73.
  • the pin 70 may be formed integrally with the fixing member 29.
  • the first connector 71 is provided on the first substrate 71 so as to protrude from the first substrate 71 toward the base end side.
  • the outer shape of the first connector 60 is formed in a substantially rectangular parallelepiped.
  • the first connector 60 is preferably erected vertically with respect to the first substrate 71.
  • holes 103 that penetrate the first substrate 71 in the longitudinal direction are provided on both sides of the first connector 60.
  • a substantially cylindrical guide pin 104 is fitted in each of the holes 101 of the fixing member 29. That is, the base portion of the guide pin 104 is fixed to the fixing member 29.
  • Each of the guide pins 104 protrudes from the hole 103 of the first substrate 71 toward the base end side.
  • the two guide pins 104 are disposed at a position where the first connector 60 is sandwiched in cooperation.
  • a guide member 105 is provided at the tip of the second substrate 85.
  • the guide member 105 is fixed to the second substrate 85 with screws.
  • the guide member 105 is provided with a second connector 80.
  • the outer shape of the second connector 80 is formed in a substantially rectangular parallelepiped.
  • a first connector 60 provided on the first substrate 71 is fitted to the second connector 80. When the first connector 60 and the second connector 80 are fitted, the first substrate 71 and the second substrate 85 are electrically connected.
  • first connector 60 is formed as a male connector and the second connector 80 is formed as a female connector.
  • the first connector 60 may be female and the second connector 80 may be male.
  • the guide member 105 can cover and protect the second connector 80.
  • the guide member 105 is provided with guide holes 106 on both sides of the second connector 80 in the width direction of the second substrate 85 (direction substantially perpendicular to the longitudinal direction of the second substrate 85).
  • the guide member 105 and the guide hole 106 are preferably formed integrally.
  • the guide hole 106 is a through hole that penetrates the guide member 105 in the longitudinal direction.
  • a guide pin 104 protruding from the first substrate 71 toward the proximal end is inserted into the guide hole 106 from the distal end side of the guide hole 106. That is, the guide pins 104 are protrusions that protrude from the first substrate 71 along the direction in which the first connector 60 and the second connector 80 are connected.
  • FIG. 6 is a diagram illustrating a state in which the first substrate 71 is coupled to the second substrate 85 when the connection unit 5 is manufactured.
  • the connection portion 5 when the connection portion 5 is manufactured, the first substrate 71, the metal frame 20, and the connector case 23 are attached to the connection member 28, and the main frame 50 is fixed to the metal frame 20.
  • the exterior 6 of the connection portion 5 is formed by the connection member 28, the metal frame 20, and the connector case 23.
  • the exterior 6 is a cylindrical member having a bottom 8 at the distal end (one end) and an opening 7 at the proximal end (the other end). That is, the exterior 6 is a cylindrical member formed with a bottom.
  • the first substrate 71 is disposed in the bottom 8 or in the vicinity of the bottom 8.
  • the shield case 77 is inserted along one surface of the main frame 50 from the opening 7 toward the bottom 8 (see the arrow in FIG. 6).
  • a second substrate 85 is fixed inside the shield case 77, and a second connector 80 is provided at the tip of the second substrate 85.
  • the first connector 60 and the second connector 80 are connected at the bottom 8 of the exterior 6. At this time, the connecting portion of the first connector 60 and the second connector 80 is connected in a state in which the connector case 23 is attached to the proximal end side of the connecting member 28, so that it is difficult to see from the outside (opening 7). It has become. For this reason, it becomes difficult for the assembly operator to appropriately connect the first connector 60 and the second connector 80. If the first connector 60 and the second connector 80 are not properly connected, the first connector 60 and the second connector 80 may come into contact with each other at an inappropriate angle, and a load may be applied to the first connector 60 and the second connector 80. .
  • first connector 60 and the second connector 80 are set with a lead-in range (lead-in error) for connecting the second connector 80 to the first connector 60.
  • the lead-in range is determined by the structure, physical properties, electrical characteristics, and the like of the first connector 60 and the second connector 80.
  • the second connector 80 is properly connected. If the displacement of the position of the first connector 60 and the second connector 80 is larger than the pull-in range, the first connector 60 and / or the second connector 80 may come into contact with parts other than each other.
  • FIG. 7A is a diagram illustrating a state immediately before the guide pin 104 is inserted into the guide hole 106 when the first substrate 71 and the second substrate 85 are connected in the present embodiment.
  • FIG. 8A is a view showing a state where the guide pin 104 is connected to the guide hole 106.
  • the first facing surface 112 facing the base end side faces the second connector 80.
  • the second facing surface 113 facing the front end side faces the first connector 60.
  • the guide hole 106 is provided on the base end side with respect to the second facing surface 113 of the second connector 80. That is, the fitting portion 111 of the guide hole 106 with the guide pin 104 is opposite to the first substrate 71 (base end) with respect to the surface of the second connector 80 facing the first substrate 71 (second opposing surface 113). Side).
  • FIG. 7B is an enlarged view of the connecting portion between the guide pin 104 and the guide hole 106 in FIG. 7A.
  • X be the dimension in the protruding direction of the portion of the guide pin 104 that protrudes more proximally than the proximal end of the first connector 60.
  • the distance between the tip of the second connector 80 and the fitting portion 111 of the guide pin 104 in the guide hole 106 is Y.
  • the shape and dimensions of each member are determined so that X> Y.
  • the dimension (X) in the protruding direction of the portion of the guide pin 104 that protrudes closer to the base end side than the base end of the first connector 60 is the leading end of the second connector 80 and the leading end of the guide hole 106 in the guide member 105. It is larger than the distance (Y) in the extending direction of the second substrate 85 between the two.
  • the guide pin 104 and the guide hole 106 slide with respect to each other. And the 1st connector 60 and the 2nd connector 80 are connected (refer to Drawing 8A and Drawing 8B). Therefore, after the connection, the insertion length from the fitting portion 111 of the guide hole 106 in the guide pin 104 (the length from the fitting portion 111 to the tip in the guide pin 104) is the same as the first opposing surface 112 and the second length. It is always greater than the distance to the facing surface 113, that is, the fitting length between the first connector 60 and the second connector 80.
  • FIG. 8B is an enlarged view of the connecting portion between the guide pin 104 and the guide hole 106 in FIG. 8A.
  • the length (diameter) of the diameter of the guide pin 104 is D1
  • the length (diameter) of the diameter of the guide hole 106 is D2.
  • a gap generated between the guide hole 106 and the guide pin 104 is referred to as a fitting gap G.
  • the fitting gap G is (D2-D1) at the maximum. Accordingly, the displacement of the positions of the second connector 80 and the first connector 60 is a maximum and the maximum size of the fitting gap G (D2-D1).
  • the diameter D2 of the guide hole 106 and the diameter D1 of the guide pin 104 are set so that the maximum value (D2-D1) of the fitting gap G is smaller than the pull-in range. Yes. For this reason, the displacement of the position of the 2nd connector 80 and the 1st connector 60 becomes smaller than the guidance range.
  • the first connector 60 and the second connector 80 start to be connected after the guide pin 104 starts to be guided into the guide hole 106.
  • the fitting gap G generated between the guide hole 106 and the guide pin 104 is adjusted to be smaller than the guiding range. Accordingly, the displacement of the positions of the second connector 80 and the first connector 60 is smaller than the guidance range. For this reason, the 1st connector 60 and the 2nd connector 80 are appropriately connected within the range of the lead-in range.
  • FIG. 9 is a diagram illustrating a state where the second substrate 85 is tilted with respect to the first substrate 71.
  • the second connector 80 of the second substrate 85 is connected to the first connector 60 of the first substrate 71 in the first state. It tilts with respect to the connector 60.
  • an allowable angle ⁇ for maintaining the connected state of the second connector 80 to the first connector 60 is set in the first connector 60 and the second connector 80.
  • the allowable angle ⁇ is determined by the physical properties, shapes, etc. of the first connector 60 and the second connector 80.
  • the inclination (angle) of the second connector 80 with respect to the first connector 60 is equal to or smaller than the allowable angle ⁇
  • the electrical connection between the first connector and the second connector 80 is appropriately maintained.
  • the inclination (angle) of the second connector 80 with respect to the first connector 60 is larger than the allowable angle ⁇ , a load is applied to the first connector 60 and the second connector 80, and electrical connection between the first connector and the second connector 80 is established. It may not be maintained properly.
  • FIG. 10 is a diagram illustrating a connecting portion between the guide hole 106 and the guide pin 104 in a state where the guide hole 106 is most inclined with respect to the guide pin 104. As shown in FIG.
  • the diameter (diameter) of the guide pin 104 is D1
  • the diameter of the guide hole 106 is D2
  • the length of the guide hole 106 in the longitudinal direction is L
  • the guide with respect to the guide pin 104 is guided.
  • the inclination (angle) of the hole 106 is ⁇ .
  • the guide hole 106 is restricted from tilting more than the allowable angle ⁇ with respect to the guide pin 104.
  • the second substrate 85 is controlled to tilt more than the allowable angle ⁇ with respect to the first substrate 71.
  • the second board 85 is restricted from tilting more than the allowable angle ⁇ with respect to the first board 71, so that the second connector 80 is tilted more than the allowable angle ⁇ with respect to the first connector 60.
  • the second connector 80 is restricted from being inclined more than the allowable angle ⁇ with respect to the first connector 60.
  • the second connector 80 is effectively prevented that the electrical connection between the first connector 60 and the second connector 80 is disconnected.
  • the guide pins 104 are two cylindrical protrusions protruding from both sides of the first connector 60, but this is not restrictive.
  • the guide pin 104 is a protrusion that protrudes from only one of the holes 103 on both sides of the first connector 60 and has a polygonal cross section.
  • the guide hole 106 is formed in a shape that engages with the guide pin 104. Then, when the guide pin 104 and the guide hole 106 are engaged, the guide hole 106 is restricted from rotating with respect to the guide pin whose rotation axis is the protruding direction of the guide pin 104.
  • the guide pin 104 may be configured to restrict the rotation of the first substrate 71 and the second substrate 85 when engaged with the guide hole 106 (when connected).
  • the guide hole 106 is a through-hole penetrating the guide member 105 in the longitudinal direction, but is not limited thereto.
  • a recess hole that is recessed from the surface facing the distal end side of the guide member 105 toward the proximal end side may be provided.
  • the length of the concave portion in the longitudinal direction is the fitting length L with the guide pin 104. That is, the guide hole 106 may be a concave hole that can be connected to the guide pin 104.
  • the first substrate 71 is provided with the guide pins 104 and the second substrate 85 is provided with the guide holes 106, but this is not restrictive.
  • guide holes 106 may be provided in the first substrate 71, and guide pins 104 may be provided in the second substrate 85.
  • the guide member 105 is provided on the first substrate 71, and the second connector 80 and the guide hole 106 are provided on the guide member 105.
  • the first connector 60 connected to the second connector 80 is provided on the second substrate 85, and the guide pins 104 that fit into the guide holes 106 are fixed.
  • the fitting portion 111 of the guide hole 106 with the guide pin 104 is closer to the first substrate 71 than the surface (second facing surface 113) of the second connector 80 facing the first substrate 71.
  • this is not restrictive.
  • the fitting portion 111 is provided closer to the first substrate 71 than the second facing surface 113, the first facing surface 112, the second facing surface 113, and the time immediately before the guide pin 104 is inserted into the guide hole 106. There is always a distance between them, and the first connector 60 and the second connector 80 are not connected. That is, the positional relationship is the same as in this embodiment.
  • the board connection structure used in this embodiment includes a first board (71), a second board (85), a first connector (60) provided on the first board (71), and the second board.
  • a second connector (80) provided on the board (85) and connected to the first connector (60), and the first connector (60) and the second connector (80) from the first board (71).
  • a guide hole (106) provided in the second substrate (85) and fitted into the protrusion (104).
  • the insertion length of the protrusion (104) from the fitting portion (111) with the protrusion (104) in the guide hole (106) is between the first connector and the second connector. It is set larger than the fitting length.

Abstract

Cette structure de connexion de substrat est pourvue d'un premier substrat sur lequel est disposé un premier connecteur, d'un second substrat sur lequel est disposé un second connecteur connecté au premier connecteur, d'une saillie qui fait saillie à partir du premier substrat le long de la direction dans laquelle le premier connecteur et le second connecteur sont connectés, et d'un trou de guidage qui est disposé dans le second substrat et dans lequel la saillie s'adapte. Dans la saillie, la longueur d'insertion de la saillie à partir de laquelle la saillie s'insère dans le trou de guidage est configurée pour être supérieure à la longueur de fixation entre le premier connecteur et le second connecteur.
PCT/JP2017/012612 2016-06-03 2017-03-28 Structure de connexion de substrat et endoscope WO2017208597A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016-112023 2016-06-03
JP2016112023A JP2019153369A (ja) 2016-06-03 2016-06-03 基板の連結構造及び内視鏡

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WO2017208597A1 true WO2017208597A1 (fr) 2017-12-07

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