JP2009268291A - Circuit case with terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To surely and simply fix a pin terminal to a casing. <P>SOLUTION: When a terminal mounting member 3 to which a pin terminal 2 is fixed is inserted into a mounting hole 5 by a prescribed amount in a direction X, parallel to the protruding direction of the pin terminal, from the inside of a casing 1, a projecting part 3b passes through the side of a locking part 5a provided in the mounting hole 5 as shown in (a) and a stopper 3d is brought into contact with an inlet port part of the mounting hole 5 so as to regulate the further forward movement of the terminal mounting member 3. After the insertion of the terminal mounting member 3, the terminal mounting member 3 is laterally moved in a direction Y orthogonal to the insertion direction X as shown in (b), a claw part 3c of the projecting part 3b is locked to an arcuate part 5b of the locking part 5a in a click manner so as to regulate return of the terminal mounting member 3 in the X direction and in the Y direction. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a terminal-equipped circuit case used in an electric circuit of a vehicle, for example.

  In automobiles and the like, for example, Patent Document 1 discloses an electronic unit that collects wirings of various electronic devices and connects them to a mating connector. In this electronic unit, a large number of pin terminals, one end of which is connected to a built-in electronic circuit, protrude toward the outside of the case.

JP 2004-274554 A

  However, in the above-mentioned Patent Document 1, a complicated mechanism is employed to securely fix a large number of pin terminals to the case, resulting in an increase in cost.

  An object of the present invention is to solve the above-mentioned problems and to provide a terminal-equipped circuit case capable of reliably and simply fixing a large number of pin terminals to the case.

  In order to achieve the above object, a circuit case with a terminal according to the present invention accommodates a circuit board in a casing, and projects front end portions of a large number of pin terminals connected to the circuit board outward from the casing. In the circuit case with a terminal for connecting the front end to the mating connector, the pin terminal is fixed in parallel to the terminal mounting member, and the terminal mounting member is fixed to the mounting hole provided in the housing. It is inserted forward in parallel with the projecting direction, and after the insertion, it is laterally moved in a direction orthogonal to the insertion direction to lock the terminal mounting member with respect to the mounting hole.

  According to the circuit case with a terminal according to the present invention, the terminal mounting member into which the pin terminal is inserted can be latched by lateral movement with respect to the mounting hole of the case, and can be securely fixed.

  With such a configuration, the pin terminal attached to the terminal mounting member is securely fixed to the housing, and even if an untimely twisting force or the like from the receiving terminal of the mating connector is applied, the pin terminal The posture will not become unstable.

  In addition, if it is visually confirmed that the lock member is mounted at the proper position after the terminal mounting member is fixed, it can be confirmed that the terminal mounting member is correctly fixed at the predetermined position.

The present invention will be described in detail based on the embodiments shown in the drawings.
FIG. 1 is a schematic perspective view as seen from the front with the lid of the embodiment removed, and FIG. 2 is a perspective view as seen from the rear. The pin terminal 2 is fixed to a terminal mounting member 3 made of synthetic resin, and the terminal mounting member 3 is mounted in a mounting hole of the housing 1. Further, the rear end portion of the pin terminal 2 is aligned via the terminal alignment member 4 in the housing 1.

  The pin terminal 2 shown in FIG. 3 is formed into a pin shape by folding a single metal plate as shown in FIG. 4, and the front end portion 2a and the rear end portion 2b have a conical shape and are cut into an intermediate portion. The fixing | fixed part 2c which consists of is provided. The pin terminals 2 have different lengths depending on the position where they are fixed to the housing 1.

  Further, the pin terminal 2 may be manufactured by folding, for example, by cutting a rod-shaped wire into a predetermined length, and then providing the end shape or the notch of the intermediate portion as described above.

  FIG. 5 is a perspective view of the terminal attachment member 3 as seen from the front, and FIG. 6 is a perspective view of the terminal attachment member 3 as seen from the rear. For example, the terminal mounting member 3 made of a rectangular parallelepiped is provided with a large number of terminal insertion holes 3a in two stages and in parallel. The number of stages may be one or a plurality of stages, but it is preferable that the number of stages is about two in consideration of bending all terminals equally in one step.

  A plurality of protrusions 3b are intermittently formed on the upper and lower parts of the front part of the terminal mounting member 3, and a claw part 3c is provided on a part of the protrusions 3b. The part is provided with a stopper 3d which is a wall-like front stop.

  As shown in FIG. 7, the pin terminal 2 is inserted into the terminal insertion hole 3a of the terminal mounting member 3, the fixing portion 2c is fixed in the terminal insertion hole 3a, and the front end portion 2a and the rear end portion 2b are fixed to each other. Align to position. Thereafter, the rear end portion 2b of the pin terminal 2 is bent in the upper right direction. The pin terminal 2 may be inserted into the terminal mounting member 3 after being bent. Or you may shape | mold the terminal attachment member 3 by the injection molding around the center part of the pin terminal 2 in the state which arranged the multiple pin terminal 2 in parallel.

  As shown in FIG. 8, in order to fix the terminal mounting member 3 to a total of four places, for example, two places on the left and right sides and two places on the top and bottom of the front wall portion of the housing 1, A mounting hole 5 that is often longer than the length is provided. The upper and lower surfaces of these mounting holes 5 have a gap for allowing the protruding portion 3b of the terminal mounting member 3 to pass therethrough, and a plurality of locking portions 5a for locking the protruding portion 3b are provided intermittently. It has been.

  In the present embodiment, the left and right attachment holes 5 in FIG. 8 are symmetrical on the left and right, and the terminal attachment members 3 inserted into these attachment holes 5 are also symmetrical on the left and right. FIG. 9 shows an explanatory view when the corresponding terminal mounting member 3 is inserted into the left mounting hole 5. On one side of each locking portion 5a of the mounting hole 5, as an engaging means for the protruding portion 3b of the terminal mounting member 3, an arc portion 5b bulging forward to engage with the claw portion 3c of the protruding portion 3b is provided. Is provided.

  When the terminal mounting member 3 is inserted into the left mounting hole 5 in FIG. 8, the gap between the locking portions 5a of the mounting hole 5 is changed to the protrusion 3b of the terminal mounting member 3 as shown in FIG. The stopper 3d is inserted until the stopper 3d contacts the inlet portion of the mounting hole 5. Next, when the terminal mounting member 3 is moved laterally in the Y direction, the claw portion 3c of the projection portion 3b is engaged by getting over the arc portion 5b of the locking portion 5a as shown in FIG. 9B.

  In this way, the protrusion 3b and the locking portion 5a are provided with engaging means for engaging with each other, so that more reliable mounting is possible, and the terminal mounting member 3 moves in the X and Y directions. Conversely, it can be regulated not to return. The engagement means may be at least one with respect to the attachment hole 5 at one place, but by providing at a plurality of places, the return movement of the terminal attachment member 3 in the X and Y directions can be suppressed.

  The arc portion 5b of the locking portion 5a is not indispensable, and by attaching a lock member described later, the terminal attachment member 3 is restricted from returning in the Y direction after assembly, and may be omitted. .

  In the mounting hole 5 after the lateral movement, a space is generated at either the left end or the right end of the mounting hole 5. By inserting a lock member 6a formed of a rectangular parallelepiped shown in FIG. 10A into this space, it is possible to more reliably regulate the lateral movement of the terminal mounting member 3, that is, the return movement in the Y direction. In this case, the lock member 6b shown in (b) for simultaneous insertion into the upper and lower spaces can also be used.

  In the embodiment, the left and right terminal mounting members 3 are laterally moved in opposite directions so that the distance between them is increased, so that a space is created in the center of the left and right mounting holes 5. Therefore, the lock member 6c shown in FIG. 10 (c) for simultaneously inserting two spaces generated in the left and right mounting holes 5, and further the lock member 6d shown in (d) for simultaneously inserting into four spaces. Using this makes it possible to shorten the installation work.

  Although not shown in the figure, by providing marks on the outer edges of the mounting hole 5 and the lock member 6, it is confirmed that the terminal mounting member 3 and the lock member 6 are securely mounted at appropriate locations and positions. can do.

  FIG. 11 is a perspective view of a state in which the terminal mounting member 3 to which the pin terminal 2 is fixed is attached to the housing 1. The rear end 2b of the pin terminal 2 bent upward is fixed by a terminal alignment member 4 having a large number of alignment holes 4a for each pin terminal 2 shown in FIG.

  The rear end 2b of the pin terminal 2 bent upward is inserted upward with respect to the terminal alignment member 4 arranged horizontally as shown in FIG. 1 and FIG. The pin terminal 2 attached to the upper end of the rear end 2b is also aligned at a predetermined position.

  Further, a lock member 6e for restricting the movement of the terminal mounting member 3 after insertion is integrally formed on a part of the terminal alignment member 4. As shown in FIG. 1 and FIG. 2, separate locking members 6 as shown in FIG. 10 are used by fitting the locking members 6e into the spaces created by the moved left and right terminal mounting members 3, respectively. The terminal mounting member 3 fixed to the mounting hole 5 can be locked so that the lateral movement of each does not return.

  Further, without attaching the lock member 6 e to the terminal alignment member 4, the lock members 6 a to 6 d are brought into contact with the rear end portions of the lock members 6 a to 6 d described above fixed to the attachment holes 5. Can be fixed.

  As shown in FIGS. 1 and 2, the terminal alignment member 4 is fixed at the holding portion 1 a of the housing 1 while inserting an end portion and a central portion thereof into the housing 1. The upper ends of the rear end portions 2b of the pin terminals 2 aligned by the terminal alignment member 4 are connected to the circuit pattern of the circuit board accommodated in the housing 1 by soldering or the like.

  The front end portions 2a of the pin terminals 2 of the upper and lower terminal mounting members 3 are collectively projected from the predetermined position of the housing 1 to the outside in order, and can be connected corresponding to the receiving terminals of the mating connector. Outside the housing 1, the front end 2 a of the pin terminal 2 is protected, and the cylindrical guide portion 7 that serves as a guide for the mating connector, and the plate body portion 8 inside thereof are the right and left terminal mounting members. It is provided for every three.

  With such a configuration, the pin terminal 2 attached to the terminal attachment member 3 is securely fixed to the housing 1, and even if an untimely twisting force or the like is applied from the receiving terminal of the mating connector. The posture of the pin terminal 2 does not become unstable. Further, by visually recognizing that the lock member 6 is mounted at a normal position after the terminal mounting member 3 is fixed, it can be confirmed that the terminal mounting member 3 is correctly fixed at a predetermined position.

  In the embodiment, a plurality of mounting holes 5 are provided. However, a single mounting hole 5 may be provided, and the terminal alignment member 4 is not indispensable.

It is the schematic perspective view seen from the front of the circuit case with a terminal of an Example. It is the perspective view seen from back. It is a perspective view of a pin terminal. It is sectional drawing of a pin terminal. It is the perspective view seen from the front of a terminal attachment member. It is the perspective view seen from back. It is a perspective view in the state where a pin terminal was inserted in a terminal attachment member. It is a perspective view of the attachment hole provided in the housing | casing. It is the perspective view which notched a part of the state which inserts a terminal attachment member in an attachment hole. It is a perspective view of a locking member. It is a perspective view in the state where a terminal attachment member was attached to a case. It is a perspective view of a terminal alignment member.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Case 2 Pin terminal 3 Terminal attachment member 3a Terminal insertion hole 3b Projection part 3c Claw part 3d Stopper 4 Terminal alignment member 4a Alignment hole 5 Attachment hole 5a Locking part 5b Arc part 6a-6e Lock member 7 Guide part

Claims (7)

  In a circuit case with a terminal for housing a circuit board in a housing, projecting front end portions of a large number of pin terminals connected to the circuit substrate toward the outside from the housing, and connecting the front end portion to a mating connector, The pin terminal is fixed in parallel to the terminal mounting member, and the terminal mounting member is inserted forward into a mounting hole provided in the housing in parallel with the protruding direction of the pin terminal and is orthogonal to the insertion direction after insertion. A terminal-equipped circuit case that moves laterally in a direction to lock the terminal mounting member with respect to the mounting hole.   Protruding portions are formed on the upper and lower portions of the terminal mounting member, and the protruding portion passes through a side portion of the locking portion provided in the mounting hole by the insertion of the terminal mounting member, and the protruding portion is moved by the lateral movement. The circuit case with a terminal according to claim 1, wherein the backward movement and the return of the lateral movement are restricted by being locked to the locking portion.   A wall-shaped stopper is formed at the rear part of the terminal mounting member, and when the terminal mounting member is inserted in a predetermined amount when the terminal mounting member is inserted into the mounting hole, the stopper contacts the inlet portion of the mounting hole. 3. The terminal-equipped circuit case according to claim 1 or 2, wherein the terminal mounting member is in contact with each other and insertion of the terminal mounting member further forward is restricted.   The locking member is engaged with a space between the laterally moved terminal attachment member and the attachment hole to restrict the return of the lateral movement of the terminal attachment member. A circuit case with terminals according to one claim.   2. The circuit case with a terminal according to claim 1, wherein the pin terminal is inserted and aligned through a plurality of alignment holes formed in the terminal alignment member.   The circuit case with a terminal according to claim 5, wherein a lock member for restricting the return of the terminal mounting member moved laterally to the terminal alignment member is integrally provided.   The circuit case with a terminal according to claim 4 or 6, wherein the terminal attachment member can be confirmed to be accurately attached to the attachment hole by visually confirming the insertion of the lock member.

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