JP5555565B2 - Mounting structure of board and terminal block - Google Patents

Description

  The present invention relates to a mounting structure of a substrate and a terminal block constituting an electric connection box or the like mounted on, for example, an automobile.

  A variety of electronic devices are mounted on automobiles. In order to supply power and transmit signals to these various electronic devices, electrical junction boxes are arranged at appropriate locations in the automobile. In the present invention, a junction block (also referred to as a junction box), a fuse block (also referred to as a fuse box), and a relay block (also referred to as a relay box) are collectively referred to as an electrical connection box.

  This electric connection box has various structures depending on the vehicle type. For example, there is an electric connection box provided with a “board and terminal block mounting structure 301” shown in FIG. 10 (see Patent Document 1). ).

  As shown in FIG. 10, the mounting structure 301 between the board and the terminal block includes a board 3, a plurality of terminal blocks 304, 305, 306, 307 attached to the board 3, and a plurality of these terminal blocks 304, 305. , 306, and 307 are fixed to the substrate 3.

  The terminal block 304 includes a plurality of terminals 342 and a holding body 340 that holds the plurality of terminals 342. The terminal block 304 is generally called a “fuse terminal holder” because a fuse is attached to each terminal 342. The terminal blocks 305 and 306 include a plurality of terminals 352 and 362 and holding bodies 350 and 360 that hold the plurality of terminals 352 and 362. The terminal blocks 305 and 306 are generally called “connector blocks” because the connectors of the wire harness are fitted. The terminal block 307 includes a plurality of terminals 372 and a holding body 370 that holds the plurality of terminals 372. The terminal block 307 is generally called an “ECU connection connector” because a connector of the ECU is fitted therein.

  Such terminal blocks 304, 305, 306, and 307 are passed through the board 3 by the screws 10 being passed through the screw mounting portions 341, 351, 361, and 371 provided at both ends of the holding bodies 340, 350, 360, and 370. It is attached. The terminal blocks 304, 305, 306, and 307 are soldered to the circuit pattern of the substrate 3 by passing through one end portions of the terminals 342, 352, 362, and 372 through the through holes of the substrate 3.

JP 2006-333583 A

  In the above-described conventional board / terminal block mounting structure 301, the board 3 becomes hot when the terminals 342, 352, 362, and 372 are soldered or when the electrical junction box is used. There is a problem that the screw 10 needs to be formed of an expensive heat-resistant material, which increases the cost. Further, Japanese Patent Application Laid-Open No. 2006-60970 discloses a technique for integrally forming a plurality of terminal blocks and attaching the integrated object to a substrate. Since the number is multipolar, there is a problem that it is difficult to simultaneously pass these multipolar terminals through the through holes of the substrate.

  Therefore, the present invention can reduce the number of screws for fixing the holding body of the plurality of terminal blocks to the substrate, and can smoothly pass each terminal of the plurality of terminal blocks through the through hole of the substrate. An object of the present invention is to provide a mounting structure between the terminal block and the terminal block.

In order to achieve the above object, the invention described in claim 1 is a circuit board and a terminal block in which a plurality of terminal blocks each including a plurality of terminals and a holding body for holding the plurality of terminals are attached to the board. A plurality of holding bodies connected to each other, and the substrate is fixed to the substrate by only a single holding body connecting body. At least one of the plurality of holding bodies constituting the body is constituted by a plurality of laminated members laminated along the thickness direction of the substrate, and is held by the holding body constituted by the plurality of laminated members. The plurality of terminals are formed in an L shape with a bent central portion, and are composed of a plurality of types having different lengths from one end portion through the through hole of the substrate to the central portion, and the plurality of laminated members The foremost A plurality of types of L-shaped terminals are respectively passed through the bottom layer laminated member disposed on the substrate side from the bottom surface of the bottom layer laminated member to the top surface facing the bottom surface. A plurality of linear through-holes to be held are provided, and each of the upper layered members excluding the lowermost layered member among the plurality of layered members is connected to the bottom surface from the bottom surface on the substrate side of the upper layered member. A straight through hole is provided that passes through and holds at least one of the plurality of types of L-shaped terminals that pass through the opposing upper surface and pass through the through hole of the lowermost laminated member. This is a mounting structure of the board and the terminal block.

The invention described in claim 2 is the invention described in claim 1 , wherein each of the plurality of holding bodies constituting the holding body coupling body is arranged to form a rectangular side, and the holding body The connecting body is formed in a frame shape.

According to the invention described in claim 1 , since the plurality of holding bodies are provided with the holding body coupling body that is connected to each other, there is no need to screw each holding body to the substrate one by one, The number of screws used can be reduced. In addition, at least one of the plurality of holding bodies constituting the holding body coupled body is constituted by a plurality of laminated members laminated along the thickness direction of the substrate, and the holding constituted by the plurality of laminated members. The plurality of terminals held by the body are formed of a plurality of types in which the central portion is bent and formed in an L shape and the length from one end portion through the through hole of the substrate to the central portion is different. The lowermost laminated member disposed on the substrate side among the plurality of laminated members penetrates from the bottom surface on the substrate side of the lowermost laminated member to the upper surface facing the bottom surface, A plurality of linear through-holes through which L-shaped terminals are passed and held are provided, and the upper layer laminated member is excluded from each of the plurality of laminated members excluding the lowermost layer laminated member. Bottom surface of the substrate side A straight through-hole penetrating through the top surface facing the bottom surface and holding at least one of the plurality of types of L-shaped terminals passed through the through-hole of the lowermost layered member. Each of the laminated members and each type of L-shaped terminal are alternately stacked on the substrate, so that a desired number of the L-shaped terminals are formed in the through hole and the through hole of the substrate. Therefore, the L-shaped terminal can be smoothly passed through the through hole of the substrate. Therefore, the board and the terminal block that can reduce the number of screws for fixing the holding body of the plurality of terminal blocks to the board, and can smoothly pass each terminal of the plurality of terminal blocks through the through hole of the board, The mounting structure can be provided.

According to the invention described in claim 2 , each of the plurality of holding bodies constituting the holding body linked body is arranged so as to constitute a rectangular side, and the holding body linked body is formed in a frame shape. Therefore, the holding body coupling body can be fixed to the substrate by fixing the four corners or the diagonal of the holding body coupling body with screws.

It is a perspective view which shows the attachment structure of the board | substrate and terminal block of a reference example . It is an exploded view of the attachment structure of the board | substrate and terminal block which were shown by FIG. It is sectional drawing along the AA line in FIG. It is a perspective view which shows the attachment structure of the board | substrate and terminal block concerning one Embodiment of this invention. It is sectional drawing along the BB line in FIG. It is explanatory drawing explaining the assembly method of the attachment structure of the board | substrate and terminal block which were shown by FIG. 4, and is a figure which shows the state with which the lowermost laminated member and terminal which comprise a holding body were piled up on the board | substrate. It is explanatory drawing explaining the assembly method of the attachment structure of the board | substrate shown in FIG. 4, and a terminal block, and the upper layer laminated member and the terminal were piled up on the lower layer laminated member and the terminal shown in FIG. It is a figure which shows a state. It is explanatory drawing explaining the assembly method of the attachment structure of the board | substrate shown in FIG. 4, and a terminal block, and the upper layer laminated member and the terminal were further piled up on the upper layer laminated member and the terminal shown in FIG. It is a figure which shows a state. It is explanatory drawing explaining the assembly method of the attachment structure of the board | substrate shown in FIG. 4, and a terminal block, and is a figure which shows the state by which all the several laminated members which comprise a holding body were laminated | stacked. It is the schematic which shows the attachment structure of the conventional board | substrate and a terminal block.

( Reference example )
Although not the present invention , a reference "attachment structure between the substrate and the terminal block" will be described with reference to FIGS.

  1 to 3 is an electric connection box that is mounted on an automobile and supplies electric power and transmits signals to an electronic device mounted on the automobile. It is.

  The board 1 and terminal block mounting structure 1 includes a board 3, four terminal blocks 4, 5, 6, 7, and four screws 10 for fixing the terminal blocks 4, 5, 6, 7 to the board 3. And is composed of.

  The board 3 is a printed board having a circuit pattern printed on the surface of a rectangular insulating plate. Various electronic components 19 are mounted on the substrate 3. The board 3 has through holes 31 to which the terminals 11, 12, 13, 14, 15, 16, 17, and 18 of the terminal blocks 4, 5, 6, and 7 are electrically connected, and screw holes to which the screws 10 are attached. And are provided.

  The screw 10 is made of an expensive heat-resistant material because the substrate 3 becomes hot when the terminals 11, 12, 13, 14, 15, 16, 17, 18 are soldered or when the electric junction box is used. ing.

  The terminal block 4 includes a plurality of terminals 11 and a synthetic resin holder 40 that holds the terminals 11. The terminal block 4 is generally called an “ECU connection connector” because a connector of the ECU is fitted therein.

  The terminal blocks 5 and 6 include a plurality of terminals 12, 13, and 14 and synthetic resin holders 50 and 60 that hold the plurality of terminals 12, 13, and 14. The terminal blocks 5 and 6 are generally called “connector blocks” because the connectors of the wire harness are fitted.

  The terminal block 7 includes a plurality of terminals 15, 16, 17, and 18 and a synthetic resin holder 70 that holds the terminals 15, 16, 17, and 18. The terminal block 7 is generally called a “fuse terminal holder” because a fuse is attached to each of the terminals 15, 16, 17, and 18.

Further, the mounting structure 1 between the substrate and the terminal block of the reference example includes a holding body connecting body 2 in which the plurality of holding bodies 40, 50, 60, and 70 are connected to each other. The holding body connecting body 2 is formed by a known injection molding or the like, and includes a plurality of holding bodies 40, 50, 60, 70, a screw mounting portion 20 through which the screw 10 is passed, and an adjacent holding body 40. , 50, 60, 70 are integrally formed with the bridge portion 21 connected to each other. Moreover, the holding body coupling body 2 is arranged so that each of the holding bodies 40, 50, 60, and 70 forms a rectangular side, and is formed in a frame shape as a whole. Moreover, the said screw attachment part 20 is provided in the four corners of the holding body coupling body 2 formed in the frame shape.

Such a holding body coupling body 2 includes four holding bodies 40, 50, 60, and 70 that are stacked on the board 3 along the sides of the board 3 and passed through the four screw mounting portions 20. It is fixed to the substrate 3 by screws 10. That is, in the attachment structure 1 of the substrate and the terminal block of the reference example , only the single holding body coupling body 2 is fixed to the substrate 3 with screws.

  Next, the detailed configuration of the terminal blocks 4, 5, 6, and 7 will be described.

  The plurality of terminals 11 of the terminal block 4 are formed in a straight bar shape. In addition, the holding body 40 of the terminal block 4 is provided with a plurality of linear through holes 41 penetrating from the bottom surface of the holding body 40 on the substrate 3 side to the upper surface facing the bottom surface. In such a state that the terminal block 4 is attached to the substrate 3, one end portion of the terminal 11 held by the holding body 40 is protruded from the bottom surface by being passed through the through hole 41 and the through-hole of the substrate 3. It is passed through the hall 31.

  As shown in FIG. 3, the plurality of terminals 12, 13, and 14 of the terminal block 5 are formed in an L shape by bending the central portions 12 c, 13 c, and 14 c. These terminals 12, 13, and 14 are configured of a plurality of types having different lengths from the one end portions 12a, 13a, and 14a to the central portions 12c, 13c, and 14c. Further, the plurality of types of terminals 12, 13, and 14 are passed through the holding body 50 of the terminal block 5 from the bottom surface 51 on the substrate 3 side of the holding body 50 to the top surface 52 facing the bottom surface 51. A plurality of linear through holes 53a, 53b, 53c are provided. Further, a stepped step is formed on the upper surface 52 of the holding body 50. The plurality of through holes 53a, 53b, and 53c are open to the plurality of surfaces 52a, 52b, and 52c forming the step in the upper surface 52. In other words, the holding body 50 includes a plurality of through holes 53a having a depth corresponding to the length from the one end 12a, 13a, 14a of the plurality of types of terminals 12, 13, 14 to the center 12c, 13c, 14c. 53b and 53c are provided.

  Such a terminal block 5 is attached to the substrate 3, and is passed through the through holes 53a, 53b, 53c, thereby being held at one end portions 12a, 13a, 13a of the terminals 12, 13, 14 held by the holding body 50. 14a protrudes from the bottom surface 51 and is passed through the through hole 31 of the substrate 3, and the other end portions 12b, 13b, and 14b side of the central portions 12c, 13c, and 14c form the step 52a. , 52b, 52c.

  Since the terminal block 6 has the same configuration as the terminal block 5 described above, description thereof is omitted.

  The plurality of terminals 15, 16, 17, and 18 of the terminal block 7 are formed in an L shape by bending the center portion. These terminals 15, 16, 17, and 18 are composed of a plurality of types having different lengths from one end to the center. Similarly to the holding body 50 described above, the holding body 70 of the terminal block 7 penetrates from the bottom surface on the substrate 3 side of the holding body 70 to the upper surface facing the bottom surface, and the plurality of types of terminals 15, 16, A plurality of linear through-holes are provided through which 17 and 18 are passed and held. In addition, a stepped step is formed on the upper surface of the holding body 70 in the same manner as the holding body 50 described above.

  When such a terminal block 7 is attached to the substrate 3, one end of the terminals 15, 16, 17, 18 held by the holding body 70 protrudes from the bottom surface by being passed through the through hole. In addition, it passes through the through-hole 31 of the substrate 3, and the portion on the other end side of the center is along each surface forming the step on the upper surface.

Further, the mounting structure 1 between the substrate and the terminal block of the reference example has a plurality of types of L-shaped terminals 12, 13 between the plurality of surfaces 52 a, 52 b, 52 c forming the step on the upper surface 52 of the holding portion 50. , 14 and a cover 86 for sandwiching a plurality of types of L-shaped terminals 12, 13, 14 between a plurality of surfaces forming the steps on the top surface of the holding portion 60, and a top surface of the holding portion 70. And a cover 87 for sandwiching a plurality of types of L-shaped terminals 15, 16, 17, and 18 between the plurality of surfaces forming the steps. The covers 85, 86, 87 are provided with insertion holes 85a, 86a, 87a through which the terminals 12, 13, 14, 15, 16, 17, 18 are passed.

  Subsequently, a procedure for assembling the mounting structure 1 of the board and the terminal block described above will be described. First, the four corners of the holding body coupling body 2 in a state where the terminals 11, 12, 13, 14, 15, 16, 17, 18 are not attached are fixed to the substrate 3 with screws. Next, the terminals 11, 12, 13, 14, 15, 16, 17, 18 are passed through the through holes of the holders 40, 50, 60, 70 constituting the holder connection body 2. One end of 12, 13, 14, 15, 16, 17, 18 is passed through the through hole 31 of the substrate 3. At this time, in the terminal blocks 5, 6, and 7, the terminals 12 and 15 having the shortest length from one end portion to the central portion are sequentially passed through the through holes, and the terminals 14 having the longest length from the one end portion to the central portion are formed. , 18 is finally passed through the through hole. The terminals 11, 12, 13, 14, 15, 16, 17, 18 thus passed through the through holes and held by the holding bodies 40, 50, 60, 70 are passed through the through holes 31 of the substrate 3. The one end is soldered to the substrate 3 later. Finally, the covers 85, 86, and 87 are assembled to the holders 50, 60, and 70 to complete the assembly of the board 1 and terminal block attachment structure 1.

Thus, according to the attachment structure 1 of the substrate and the terminal block of the reference example , since the plurality of holding bodies 40, 50, 60, 70 are connected to each other, the holding body connecting body 2 is provided. The holders 40, 50, 60 and 70 do not need to be fixed to the substrate 3 one by one, and the number of screws 10 to be used can be reduced. In particular, the mounting structure 1 between the substrate and the terminal block, it is possible to fix the holding member 50, 60 with four screws 10. Further, each of the plurality of holding bodies 40, 50, 60, 70 constituting the holding body coupling body 2 penetrates from the bottom surface on the substrate 3 side of the holding bodies 40, 50, 60, 70 to the upper surface facing the bottom surface. A plurality of straight through-holes (41, 53a, 53b, 53c, etc.) are provided, and the terminals 11, 12, 13, 14, 15, 16, 17 are connected to the substrate 3 after screws are fixed to the substrate 3. , 18 can be passed through the through hole and the through hole 31 of the substrate 3 in a desired number, so that the terminals 11, 12, 13, 14, 15, 16, 17, 18 can be smoothly inserted into the through hole 31 of the substrate 3. Can pass through. Therefore, the cost can be reduced by reducing the number of screws 10 to be used, and the terminals 11, 12, 13, 14, 15, 16, 17, 18 are smoothly passed through the through holes 31 of the substrate 3. It is possible to provide a mounting structure 1 between a substrate and a terminal block, which can be easily assembled.

( One embodiment of the present invention )
A “mounting structure of a substrate and a terminal block” according to an embodiment of the present invention will be described with reference to FIGS. 4 to 9, the same components as those in the reference example described above are denoted by the same reference numerals and description thereof is omitted.

  The “board and terminal block attachment structure 101” shown in FIGS. 4 to 9 constitutes an electrical junction box that is mounted on an automobile and supplies power and transmits signals to an electronic device mounted on the automobile. It is.

  The board / terminal block mounting structure 101 includes a board 3, four terminal blocks 104, 105, 106, and 107, and two screws 10 that fix the terminal blocks 104, 105, 106, and 107 to the board 3. And is composed of.

  The terminal block 104 includes a plurality of terminals 11 and a synthetic resin holder 140 that holds the terminals 11. The terminal block 104 is generally called an “ECU connection connector” because a connector of the ECU is fitted therein.

  The terminal blocks 105 and 106 include a plurality of terminals 12, 13, and 14 and synthetic resin holders 150 and 160 that hold the plurality of terminals 12, 13, and 14. The terminal blocks 105 and 106 are generally called “connector blocks” because the connectors of the wire harness are fitted.

  The terminal block 107 includes a plurality of terminals 15, 16, 17, and 18 and a synthetic resin holder 170 that holds the terminals 15, 16, 17, and 18. The terminal block 107 is generally called a “fuse terminal holder” because a fuse is attached to each of the terminals 15, 16, 17, and 18.

  Moreover, the board | substrate and terminal block attachment structure 101 of this invention is equipped with the holding body coupling body 102 by which these holding bodies 140,150,160,170 are mutually connected. The holding body connecting body 102 is formed by a known injection molding or the like, and includes a plurality of holding bodies 140, 150, 160, 170, a screw mounting portion 120 through which the screw 10 is passed, and an adjacent holding body 140. , 150, 160, 170 are integrally formed with the bridge portion 121. Moreover, the holding body coupling body 102 is arranged so that each of the holding bodies 140, 150, 160, and 170 forms a rectangular side, and is formed in a frame shape as a whole. Moreover, the said screw attachment part 120 is provided in two places of the diagonal of the holding body coupling body 102 formed in the frame shape.

  In such a holding body connecting body 102, the holding bodies 140, 150, 160, and 170 are overlapped on the substrate 3 so as to be along each side of the substrate 3, and are passed through two screw mounting portions 120. It is fixed to the substrate 3 by screws 10. That is, in the mounting structure 101 of the board and the terminal block according to the present invention, only the single holding body coupling body 102 is fixed to the board 3 with screws.

  Next, the detailed configuration of the terminal blocks 104, 105, 106, and 107 will be described.

  The plurality of terminals 11 of the terminal block 104 are formed in a straight bar shape. In addition, the holding body 140 of the terminal block 104 is provided with a plurality of linear through holes 141 penetrating from the bottom surface on the substrate 3 side of the holding body 140 to the upper surface facing the bottom surface. In such a state that the terminal block 104 is attached to the substrate 3, one end portion of the terminal 11 held by the holding body 140 is protruded from the bottom surface by being passed through the through hole 141, and the through-hole of the substrate 3 is provided. It is passed through the hall 31.

  As shown in FIG. 5, the plurality of terminals 12, 13, and 14 of the terminal block 105 are formed in an L shape by bending the central portions 12 c, 13 c, and 14 c. These terminals 12, 13, and 14 are configured of a plurality of types having different lengths from the one end portions 12a, 13a, and 14a to the central portions 12c, 13c, and 14c. In addition, the holding body 150 of the terminal block 105 includes three laminated members 151, 152, and 153 that are laminated along the thickness direction of the substrate 3.

  Of the three laminated members 151, 152, and 153, the lowest layer laminated member 151 disposed on the substrate 3 side is opposed to the bottom surface 151 a from the bottom surface 151 a on the substrate 3 side of the lowest layer laminated member 151. There are provided a plurality of linear through holes 154 that penetrate through the upper surface 151b and hold all of the plural types of L-shaped terminals 12, 13, and 14 respectively. Further, the terminal 12 passed through the through hole 154 and held by the lowermost laminated member 151 has one end portion 12a protruding from the bottom surface 151a and passing through the through hole 31 of the substrate 3, and the central portion 12c. The portion on the other end 12b side extends along the upper surface 151b.

  Of the three laminated members 151, 152, and 153, the second laminated member 152 (corresponding to the “upper laminated member” in the claims) that is superimposed immediately above the lowermost laminated member 151 is included. The terminals 13, 14 that pass through the bottom layer 152 a on the substrate 3 side of the second layer laminated member 152 to the top surface 152 b that faces the bottom surface 152 a and pass through the through hole 154 of the bottom layer laminated member 151 are passed. A plurality of linear through holes 155 to be held are provided. In addition, the terminal 13 that is passed through the through holes 154 and 155 and is held by the lowermost layer member 151 and the second layer member 152 has one end 13a protruding from the bottom surface 151a of the lowermost layer member 151. In addition, it passes through the through hole 31 of the substrate 3, and the portion on the other end 13 b side of the center portion 13 c runs along the upper surface 152 b of the second-layer laminated member 152.

  Of the three laminated members 151, 152, and 153, the uppermost laminated member 153 (corresponding to the “upper laminated member” in the claims) that is directly overlaid on the second laminated member 152. The bottom layer 153a on the substrate 3 side of the uppermost layer laminated member 153 passes through the upper surface 153b facing the bottom surface 153a, and the through hole 154 of the lowermost layer laminated member 151 and the through hole 155 of the second layer laminated member 152 are formed. A plurality of linear through holes 156 through which the passed terminals 14 are passed and held are provided. In addition, the terminal 14 held by the lowermost laminated member 151 and the second laminated member 152 and the uppermost laminated member 153 through the through holes 154, 155 and 156 has one end portion 14a at the lowermost layer. The laminated member 151 protrudes from the bottom surface 151 a and passes through the through hole 31 of the substrate 3. The portion on the other end 14 b side of the center portion 14 c extends along the upper surface 153 b of the uppermost laminated member 153. Yes.

  The terminal block 106 includes a plurality of types of L-shaped terminals 12, 13, and 14 and three holding members 160, 162, and 163 that are stacked along the thickness direction of the substrate 3. And. The terminal block 106 has the same configuration as the terminal block 105 described above. That is, a through hole 164 is provided in the lowermost laminated member 161, a through hole 165 is provided in the second laminated member 162, and a through hole 166 is provided in the uppermost laminated member 163.

  The plurality of terminals 15, 16, 17, and 18 of the terminal block 107 are formed in an L shape by bending the central portion. These terminals 15, 16, 17, and 18 are composed of a plurality of types having different lengths from one end to the center. Further, the holding body 170 of the terminal block 107 is composed of four laminated members 171, 172, 173, and 174 that are laminated along the thickness direction of the substrate 3 in the same manner as the holding body 150 described above. The terminal block 107 has the same configuration as the terminal block 105 described above. That is, the lowermost laminated member 171 is provided with a through hole 175, the second laminated member 172 is provided with a through hole 176, and the third laminated member 173 is provided with a through hole 177. A through hole 178 is provided in the upper layered member 174.

  Further, the holding member 140 of the terminal block 104, the lowermost layered member 151 of the terminal block 105, the lowermost layered member 161 of the terminal block 106, and the lowermost layered member 171 of the terminal block 107 are: The bridge portions 121 are connected to each other. Those connected to each other are referred to as a “first connected body 102a”.

  Further, the second layer laminated member 152 of the terminal block 105, the second layer laminated member 162 of the terminal block 106, and the second layer laminated member 172 of the terminal block 107 are connected to each other by the bridge portion 121. ing. Those connected to each other are referred to as a “second connected body 102b”.

  Further, the uppermost layer stacking member 153 of the terminal block 105, the uppermost layer stacking member 163 of the terminal block 106, and the third layered stacking member 173 of the terminal block 107 are connected to each other by the bridge portion 121. . Those connected to each other are referred to as a “third connected body 102c”.

  That is, the holding body connecting body 102 includes the first connecting body 102a, the second connecting body 102b, the third connecting body 102c, and the laminated member 174 as the uppermost layer of the holding body 170. . In addition, the first connecting body 102 a, the second connecting body 102 b, and the third connecting body 102 c are provided with screw attachment portions 120 that overlap each other at two diagonal positions of the holding body connecting body 102. Then, one screw 10 is passed through the plurality of screw mounting portions 120 stacked on each other, and a total of two screws 10 are attached to the substrate 3, whereby a plurality of laminated members 151, 152, 153, 161, 162 are provided. , 163, 171, 172, and 173 and the holders 140, 150, 160, and 170 to the substrate 3 are simultaneously performed.

  Next, a procedure for assembling the above-described board / terminal block attachment structure 101 will be described.

  First, the first coupling body 102a in a state where the terminals 11, 12, 13, 14, 15, 16, 17, 18 are not attached is overlapped with the substrate 3.

  Next, as shown in FIG. 6, the terminal 11 is passed through the through hole 141 of the holding body 140 constituting the first connecting body 102 a, and one end of the terminal 11 is passed through the through hole 31 of the substrate 3. Subsequently, the terminal 12 is passed through the through hole 154 of the laminated member 151 constituting the first connector 102 a, and the one end portion 12 a of the terminal 12 is passed through the through hole 31 of the substrate 3. Subsequently, the terminal 12 is passed through the through hole 164 of the laminated member 161 constituting the first connector 102 a, and the one end 12 a of the terminal 12 is passed through the through hole 31 of the substrate 3. Subsequently, the terminal 15 is passed through the through hole 175 of the laminated member 171 constituting the first connector 102 a, and one end of the terminal 15 is passed through the through hole 31 of the substrate 3.

  Next, the 2nd connection body 102b is piled up on the 1st connection body 102a with which the terminals 11, 12, and 15 were hold | maintained.

  Next, as shown in FIG. 7, while passing the terminal 13 through the through hole 155 of the laminated member 152 constituting the second connector 102b and the through hole 154 of the laminated member 151 constituting the first connector 102a, One end 13 a of the terminal 13 is passed through the through hole 31 of the substrate 3. Subsequently, the terminal 13 is passed through the through hole 165 of the laminated member 162 constituting the second connector 102b and the through hole 164 of the laminated member 161 constituting the first connector 102a, and the one end 13a of the terminal 13 is It passes through the through hole 31 of the substrate 3. Subsequently, the terminal 16 is passed through the through hole 176 of the laminated member 172 constituting the second connector 102b and the through hole 175 of the laminated member 171 constituting the first connector 102a, and one end of the terminal 16 is connected to the substrate. 3 through holes 31.

  Next, the third connector 102c is overlapped with the second connector 102b holding the terminals 13 and 16.

  Next, as shown in FIG. 8, the through hole 156 of the laminated member 153 constituting the third connected body 102c, the through hole 155 of the laminated member 152 constituting the second connected body 102b, and the first connected body. The terminal 14 is passed through the through hole 154 of the laminated member 151 constituting the 102 a, and the one end portion 14 a of the terminal 14 is passed through the through hole 31 of the substrate 3. Subsequently, the through hole 166 of the laminated member 163 constituting the third connector 102c, the through hole 165 of the laminated member 162 constituting the second connector 102b, and the laminated member 161 constituting the first connector 102a. The terminal 14 is passed through the through hole 164, and one end 14 a of the terminal 14 is passed through the through hole 31 of the substrate 3. Subsequently, the through hole 177 of the laminated member 173 constituting the third connector 102c, the through hole 176 of the laminated member 172 constituting the second connector 102b, and the laminated member 171 constituting the first connector 102a. The terminal 17 is passed through the through hole 175 and one end of the terminal 17 is passed through the through hole 31 of the substrate 3.

  Next, the laminated member 174 is overlaid on the laminated member 173 holding the terminals 17. 9, the through hole 178 of the laminated member 174, the through hole 177 of the laminated member 173 constituting the third connector 102c, the through hole 176 of the laminated member 172 constituting the second connector 102b, the first The terminal 18 is passed through the through hole 175 of the laminated member 171 constituting the one connector 102 a, and one end of the terminal 18 is passed through the through hole 31 of the substrate 3.

  Further, the terminals 11, 12, 13, 14, 15, 16, 17, and 18 that are passed through the through holes and held by the holding bodies 140, 170 as described above are the through holes 31 of the substrate 3. The one end passed through is later soldered to the substrate 3.

  Finally, the screws 10 are passed through the plurality of screw mounting portions 120 that are stacked on each other, and the two diagonal positions of the holding body coupling body 102 are fixed to the substrate 3 with screws. Thus, the assembly of the mounting structure 101 between the board and the terminal block is completed.

  Thus, according to the mounting structure 101 of the substrate and the terminal block of the present invention, since the plurality of holding bodies 140, 150, 160, 170 are connected to each other, the holding body connecting body 102 is provided. The holders 140, 150, 160, and 170 need not be fixed to the substrate 3 one by one, and the number of screws 10 to be used can be reduced. In particular, in the mounting structure 101 of the substrate and the terminal block according to this embodiment, the holding bodies 140, 150, 160, and 170 can be fixed with the two screws 10.

  The holding body 140 constituting the holding body coupling body 102 is provided with a plurality of linear through holes 141 penetrating from the bottom surface on the substrate 3 side of the holding body 140 to the upper surface facing the bottom surface. Since the desired number of terminals 11 can be passed through the through holes 141 and the through holes 31 of the substrate 3 after the coupling body 102 is overlaid on the substrate 3, the terminals 11 can be smoothly passed through the through holes 31 of the substrate 3. .

  In addition, a plurality of laminated members 151, 152, 153, 161, 162, 163, 171, 172, in which the holders 150, 160, 170 constituting the holder coupling body 102 are laminated along the thickness direction of the substrate 3. A plurality of terminals 12, 13, 14, 15, 16, 17, and 18 that are configured by 173 and 174 and are held by these holding bodies 150, 160, and 170 are bent at the center and formed into an L-shape. In addition, the laminated members 151, 152, 153, 161, 163, 171, 172, 173, and 174 are composed of a plurality of types having different lengths from one end portion to the central portion that are passed through the through holes 31 of the substrate 3. Linear through holes 154, 155, 156, 164, 165, 1 through which a plurality of types of L-shaped terminals 12, 13, 14, 15, 16, 17, 18 are respectively passed and held. 6, 175, 176, 177, and 178 are provided, and each of the laminated members 151, 152, 153, 161, 162, 163, 171, 172, 173, 174 and various types of L-shaped terminals 12, 13 14, 14, 15, 16, 17, 18 are alternately stacked on the substrate 3, so that a desired number of L-shaped terminals 12, 13, 14, 15, 16, 17, 18 are inserted into the through holes 154, respectively. 155, 156, 164, 165, 166, 175, 176, 177, 178 and the through hole 31 of the substrate 3, the L-shaped terminals 12, 13, 14, 15, 16, 17, 18 can be connected It can be smoothly passed through the through hole 31 of the substrate 3.

  As a result, the cost can be reduced by reducing the number of screws 10 to be used, and the terminals 11, 12, 13, 14, 15, 16, 17, 18 are connected to the through holes 31 of the substrate 3. It is possible to provide a mounting structure 101 between a substrate and a terminal block, which can be smoothly passed and has good assemblability.

  In addition, embodiment mentioned above only showed the typical form of this invention, and this invention is not limited to embodiment. That is, various modifications can be made without departing from the scope of the present invention.

DESCRIPTION OF SYMBOLS 1,101 Attachment structure of a board | substrate and a terminal block 2,102 Holding body coupling body 3 Board | substrate 4,5,6,7,104,105,106,107 Terminal block 11,12,13,14,15,16,17 , 18 terminal 31 through hole 40, 50, 60, 70, 140, 150, 160, 170 holder 41, 53a, 53b, 53c, 141, 154, 155, 156, 164, 165, 166, 175, 176, 177 , 178 Through hole

Claims (2)

In the mounting structure of the board and the terminal block, a plurality of terminal blocks each composed of a plurality of terminals and a holding body that holds the plurality of terminals are attached to the board.
A holding body coupling body in which the plurality of holding bodies are coupled to each other,
Only the single holder coupling body is screwed to the substrate,
At least one of the plurality of holding bodies constituting the holding body linked body is constituted by a plurality of laminated members laminated along the thickness direction of the substrate,
The plurality of terminals held by the holding body composed of the plurality of laminated members are formed in an L shape by bending the center portion and from the one end portion through the through hole of the substrate to the center portion. Consisting of multiple species with different lengths,
Among the plurality of laminated members, the lowermost laminated member arranged on the substrate side penetrates from the bottom surface on the substrate side of the lowermost laminated member to the upper surface facing the bottom surface, and the plurality of types of L A plurality of linear through holes are provided through which each of the letter-shaped terminals is passed and held,
Each of the upper layer laminated members excluding the lowermost layer laminated member among the plurality of laminated members penetrates from the bottom surface on the substrate side of the upper layer laminated member to the upper surface facing the bottom surface, and the lowermost layer laminated member The board and terminal block mounting structure is provided with a linear through hole through which at least one of the plurality of types of L-shaped terminals passed through the through hole is held. . Each of the plurality of holding members constituting the holding member connecting member is arranged so as to constitute a rectangular sides, according to claim 1, wherein the holding member connection member is characterized in that it is formed in a frame shape Mounting structure of the circuit board and terminal block.

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