JP2013118158A - Electronic device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electronic device of improved electrical connection reliability than before even if a circuit board is inserted/removed.SOLUTION: In an insert hole of a housing, a slider is provided which can be displaced in depth direction under external force. A protruding part of a terminal has a contact part supported by the slider on the side deeper than a contact point part, and a portion on the tip end side including the contact part is tapered, with a tip end being above a support surface of the slider under a condition disengaged from the slider. The slider is arranged on a deeper side relative to each contact point part, and is pushed by the circuit board when inserting, to be displaced from an initial position to a board insert completion position at which the contact point part contacts to an electrode. At the initial position, the contact part is supported under a condition in which the protruding part is pushed and expanded, and the contact point part is separated from a corresponding electrode formation surface of the circuit board. At the board insert completion position, the contact part disengages from the slider, and the terminal supplies a reactive force generated by spring deformation to the circuit board. A restoring means returns the slider to the initial position when the circuit board is pulled out.

Description

  According to the present invention, a circuit board having a plurality of electrodes provided on at least one of both surfaces of the end portion, and an end portion of the circuit board are inserted to be pulled out to the outside. The present invention relates to an electronic device having a card edge connector for electrical connection with a harness.

  Conventionally, as shown in Patent Document 1, a card edge connector is known. In this card edge connector, the circuit board itself serves as a male terminal, and by inserting the end of the circuit board into the card edge connector, a plurality of electrodes provided on the end surface of the circuit board and the housing The exposed contact portion of the terminal comes into contact with each other to achieve electrical conduction.

JP 2003-178834 A

  In the conventional card edge connector, the contact portion stably contacts the electrode by the spring force of the terminal (reaction force due to spring deformation). Therefore, when the circuit board is inserted into the card edge connector or when the circuit board is pulled out from the card edge connector, the contact portion of the terminal contacts the edge of the circuit board or the electrode forming surface, and the plating layer on the terminal surface is peeled off. The terminal may be damaged or deformed. Moreover, there is a possibility that a short circuit may occur due to the plating scraps that have been peeled off. That is, the electrical connection reliability may be reduced.

  In view of the above problems, an object of the present invention is to provide an electronic device that can improve electrical connection reliability more than ever even when a circuit board is repeatedly inserted into and removed from a card edge connector.

  In order to achieve the above object, each of the inventions described below includes a circuit board provided with a plurality of electrodes on at least one of both surfaces at the end, and the end of the circuit board is inserted. Thus, the present invention relates to an electronic device having an electrode of a circuit board and a card edge connector for performing an electrical connection between a harness drawn out to the outside.

And invention of Claim 1 is
Card edge connector
A housing having an insertion hole that is open at the front end surface and into which the end of the circuit board is inserted and disposed;
A spring-deformable member that is held in the housing and electrically connects the electrode and the harness, includes a contact portion that contacts the electrode, and protrudes into the insertion hole from the holding portion held in the housing. It has a protruding portion extending in the depth direction opposite to the front end surface, and the protruding portion is perpendicular to both the depth direction and the height direction of the insertion hole corresponding to the thickness direction of the circuit board. A plurality of terminals arranged along a direction;
A slider disposed in the insertion hole so as to be displaceable in the depth direction under external force;
The terminal has a contact portion that is supported in contact with the slider on the deeper side in the depth direction than the contact portion in the protruding portion,
The slider is arranged at the depth side with respect to each contact portion, and is pushed from the initial position before the circuit board is inserted by being pushed by the circuit board as the circuit board is inserted into the insertion hole. Is displaced in the depth direction to the board insertion completion position where the circuit board insertion is completed by contacting the electrode,
At the initial position, the contact portion is supported with the protruding portion being expanded by the slider, and the contact portion is located away from the corresponding electrode forming surface of the circuit board. At the board insertion completion position, the contact portion of the terminal from the slider Is completely disconnected, and the terminal applies a reaction force due to spring deformation to the circuit board via a contact portion that contacts the electrode.

Further, the projecting portion has a tapered shape in which the portion from the tip of the contact portion to the end of the contact portion on the contact portion side is away from the electrode forming surface in the height direction as it is closer to the tip of the projecting portion, and from the slider In a state where it is completely detached, the tip of the protruding portion is at a position farther from the electrode forming surface than the end on the tip surface side of the contact portion supporting surface of the slider in the height direction,
When the circuit board is pulled out from the insertion hole, there is provided a returning means for returning the slider to the initial position in accordance with the displacement of the circuit board.

  In the present invention, there is a slider that is disposed on the back side in the depth direction with respect to each contact portion and that is displaced by the circuit board at the time of insertion to be displaced in the depth direction in the insertion hole. In the initial position before the slider is displaced to the back in the depth direction, the contact portion is supported by the slider. In this supported state, the protruding portion is expanded and the contact portion corresponds to the corresponding electrode of the circuit board. The position is away from the forming surface. Thereby, when inserting a circuit board, it can suppress that a contact part contacts a circuit board at least until a circuit board passes a contact part and contacts a slider. And the electrical connection reliability can be improved by suppressing the short circuit due to the peeling of the plating on the surface of the terminal, the deformation of the terminal, and the peeling of the plating scraps.

  In the present invention, the contact portion of the terminal is completely detached from the slider in a state where the slider is displaced to the substrate insertion completion position. Since the load due to spring deformation is not applied to the slider when the terminal is detached from the slider in this way, the contact portion can be stably brought into contact with the electrode by the reaction force due to the spring deformation of the terminal. That is, electrical connection reliability can be improved.

  By the way, in a card edge connector, since the electrical connection is achieved when the contact part of a terminal contacts the electrode of a circuit board, it is preferable that the contact pressure of a terminal and an electrode can be kept constant. In a configuration in which the contact portion is in stable contact with the electrode (the slider is in the board insertion completion position) and the terminal contacts the slider, an external force is applied to the housing and the housing and the circuit board are relatively When it vibrates, the terminal (protruding part) vibrates with the contact part of the slider as a fulcrum, and the contact pressure between the contact part and the electrode changes. It is also conceivable that the internal stress changes with time due to a so-called creep phenomenon, whereby the position of the contact portion of the terminal supported by the slider changes, and consequently the contact pressure fluctuates. In order to prevent such fluctuations in the contact pressure, the fluctuations in the contact pressure must be suppressed by setting the spring force of the terminal against the circuit board high.

  On the other hand, in the present invention, as described above, the terminal is completely detached from the slider in a state where the contact portion is in stable contact with the electrode (the slider is in the substrate insertion completion position). Therefore, there is no influence of the vibration of the protrusion using the slider as a fulcrum or the displacement of the protrusion in the height direction due to the creep phenomenon of the slider, so the fluctuation of the contact pressure between the contact and the electrode is suppressed while suppressing the spring force. It can also be suppressed. As a result, it is possible to further suppress short-circuiting due to peeling of plating on the surface of the terminal, deformation of the terminal, peeling-off of plating scraps, and the like.

  In the present invention, when the circuit board is pulled out from the insertion hole, the slider can be returned to the initial position in accordance with the displacement of the circuit board by the return means described above. Further, the protruding portion of the terminal has the above-described taper shape, and the tip thereof is open from the end portion on the tip surface side of the slider. Therefore, when the slider is displaced toward the front end surface side of the housing in the depth direction, the contact portion is supported in a state where the projecting portion is expanded by the slider, and the contact portion is separated from the corresponding electrode forming surface of the circuit board. Become. Therefore, the circuit board can be repeatedly inserted into and removed from the card edge connector.

  Further, since the contact portion of the terminal is supported on the contact portion supporting surface of the slider when the circuit board is pulled out, it is possible to suppress the contact portion of the terminal from contacting the circuit board. And the electrical connection reliability can be improved more by suppressing the short circuit due to the peeling of the plating on the surface of the terminal, the deformation of the terminal, and the peeling of the plating scraps.

Specifically, as described in claim 2,
The return means
A notch provided at the lateral end of the circuit board;
While projecting from the slider, it extends to the front end surface side of the housing in a position that does not contact the circuit board in the lateral direction, and is provided with a spring portion that is elastically deformable in the height direction and extends from the spring portion to the circuit board side. An arm portion having a lock portion that fits into the notch portion in the state of the insertion completion position;
A guide portion provided on the distal end surface side of the housing with respect to the spring portion on the lateral insertion hole wall surface so as to face the spring portion in the depth direction,
The opposing surface of the guide portion to the spring portion has a tapered shape such that the closer to the front end surface of the housing in the depth direction, the closer to the wall surface of the insertion hole in the height direction facing one surface of the circuit board,
When the circuit board is pulled out, the lock part is pushed by the wall surface on the back side in the depth direction of the notch part, and the front slider is displaced together with the circuit board,
When the circuit board is further pulled out while the tip of the spring part is in contact with the guide part, the tip of the spring part follows the tapered guide part so that the lock part is released from the notch part to one surface of the circuit board. Approach the wall of the insertion hole in the height direction,
Before the lock part is placed on one surface of the circuit board, the slider is in the initial position with the tip of the spring part in contact with the guide part, and the circuit board is inserted when the circuit board is inserted into the lock part in the initial position. The opposing surface that faces the end surface of the housing is closer to the wall surface of the insertion hole in the height direction as it is closer to the front end surface of the housing in the depth direction, and the end portion on the front end surface side of the housing is on one surface of the circuit board. Placed across the
When the circuit board is further pulled out with the opposite surface of the lock part straddling one surface of the circuit board, the spring part is expanded by the circuit board so that the lock part is placed on one surface of the circuit board,
When the circuit board passes through the lock part, it is possible to adopt a configuration in which the circuit board returns to a state where the opposite surface of the lock part straddles one surface of the circuit board and is held in this state.

  At that time, as described in claim 3, among the groove portions provided in the wall surface of the insertion hole in the lateral direction in the housing, the wall surface on the distal end surface side of the housing in the depth direction is used as a guide portion, and a part of the arm portion is formed. It is good also as a structure arrange | positioned in a groove | channel. Further, as described in claim 4, a protrusion provided on the wall surface of the insertion hole in the lateral direction may be used as the guide portion.

  According to a fifth aspect of the present invention, when the circuit board is pulled out from the first side portion having the opposing surface and the end portion on the back side in the depth direction of the first side portion, the lock portion is It is good also as a structure which has a 2nd edge part extended in the side displaced in a height direction.

  According to this, since the area where the lock part comes into contact with the circuit board when the circuit board is pulled out is increased by the height of the second side part, the slider can be stably displaced.

  As described in claim 6, in a state where the facing surface of the first side portion is disposed so as to straddle one surface of the circuit board, the second side portion faces the wall surface on the back side in the depth direction of the notch portion. As the surface is closer to the end opposite to the first side, the surface is positioned on the far side in the depth direction, and the end opposite to the first side is on one surface of the circuit board and is disposed across the surface. A configuration may be adopted.

  According to this, since the second side portion is arranged to be inclined with respect to the height direction and the depth direction, the second side portion can be run on one surface of the circuit board using this inclination. .

  Furthermore, as described in claim 7, the first side portion of the lock portion is a distance from the center of the insertion hole in the height direction of the wall surface of the insertion hole in the height direction with the slider in the initial position. It is preferable that the shortest portion of the insertion hole wall surface is provided so that the opposing surface of the first side part straddles the wall surface facing one surface of the circuit board.

  According to this, even when the center of the circuit board is shifted from the center of the insertion hole in the height direction and the circuit board is inserted into the insertion hole, the end face of the circuit board must be positioned on the opposing surface of the first side of the lock portion. It will come into contact. Thus, even if insertion variation occurs in the circuit board in the height direction, the slider can be reliably functioned.

  Specifically, as described in claim 8, the angle formed between the first side and the second side is different between the end on the second side and the end on the guide side. It is preferable that the end portion on the guide portion side has a smaller angle with the second side portion than the end portion on the second side portion side.

  According to this, compared with the linear 1st side part, the physique of a lock part can be reduced in a depth direction. Therefore, the cutout portion of the circuit board into which the lock portion is fitted, that is, the mounting prohibited area can be reduced.

  In addition, as described in claim 9, the first side portion may have an acute angle with the second side portion.

  According to this, the physique of a lock part can be reduced in a depth direction compared with the structure to which a 1st edge part and a 2nd edge part orthogonally cross. Therefore, the cutout portion of the circuit board into which the lock portion is fitted, that is, the mounting prohibited area can be reduced.

  By the way, when the circuit board is pulled out, it is conceivable that the end of the second side opposite to the first side is caught on the wall surface of the notch of the circuit board. In this case, a larger force than usual is required to remove the lock portion from the notch.

  On the other hand, as described in claim 10, when the lock portion has a third side portion extending from an end portion of the second side portion opposite to the first side portion and facing the first side portion. As the circuit board is pulled out, the lock portion can be smoothly removed from the cutout portion.

On the other hand, as described in claim 11,
The return means is
A notch provided at the lateral end of the circuit board;
An arm portion extending from the slider to the front end surface side of the housing at the notch forming position of the circuit board in the lateral direction;
As a part of the housing, it protrudes from the wall surface of the insertion hole into the insertion hole, and is provided on the front surface side of the housing with respect to the arm portion at the position where the cutout portion of the circuit board is formed in the lateral direction. A guide portion;
The arm portion is provided so as to be elastically deformable in the height direction, and is provided in a predetermined range from the projecting tip with a spring portion disposed on one surface of the circuit board in a state where the slider is in the board insertion completion position. A tip portion having a tapered shape that is closer to the wall surface of the insertion hole in the height direction facing the one surface of the circuit board, and closer to the tip surface of the housing, and between the tip portion and the spring portion. A lock portion that extends from the circuit board side and fits in the notch portion in a state where the slider is in the board insertion completion position.
The opposing surface of the guide portion to the tip portion has a tapered shape such that the closer to the tip surface of the housing in the depth direction, the farther away from one surface of the circuit board,
A part of the tip of the arm part is opposed to the opposing surface of the guide part in a state where the slider is in the substrate insertion completion position,
When the circuit board is pulled out, the lock part is pushed by the wall surface on the back side in the depth direction of the notch part, and the slider is displaced together with the circuit board,
If the circuit board is further pulled out with the tip part in contact with the opposing surface of the guide part, the spring part bends in the height direction while the tip part moves along the tapered guide part to the wall surface of the insertion hole in the height direction. It is also possible to adopt a configuration in which the lock part approaches the one surface of the circuit board from the notch part.

  According to a twelfth aspect of the present invention, it is preferable that the electrode is provided on one surface of the circuit board, and the lock portion is located on the outer surface in the lateral direction with respect to the electrode formation region on the one surface of the circuit board.

  According to this, it is possible to suppress problems such as plating peeling on the electrode surface, which occurs when the lock portion is in contact with the electrode surface.

As claimed in claim 13,
The housing including the slider and the front terminal has one convex portion provided so as to be elastically deformable, and the other has a concave portion that fits the convex portion,
The recess is provided in two steps along the depth direction,
With the slider in the initial position, the convex portion fits into the first step concave portion close to the tip surface in the depth direction, and with the slider in the substrate insertion completion position, the convex portion is the second step deep in the depth direction. It is preferable to adopt a configuration that fits into the recess.

  When the circuit board is inserted into and removed from the insertion hole, if the slider can be freely displaced, the initial position and the board insertion completion position tend to vary. For example, if the insertion amount of the circuit board is smaller than the desired insertion amount, the terminal is not detached from the slider, and it is conceivable that the desired contact pressure cannot be secured between the contact portion of the terminal and the electrode. Also, if the insertion amount of the circuit board is larger than the desired insertion amount, the length of the contact part of the terminal dragging the electrode forming surface of the circuit board becomes long, and the terminal surface is peeled off or short-circuited due to the peeling of the plating waste, etc. It tends to occur. It is also conceivable that when the circuit board is pulled out, the slider is positioned closer to the front end surface than the desired initial position, thereby excessively expanding the terminal and deforming the terminal.

  On the other hand, in the present invention, the projection is fitted in the first-stage recess near the tip surface with the slider in the initial position, and the slider is in the substrate insertion completion position with the two-stage on the back side in the depth direction. A convex part fits into the concave part of the eye. Since the convex part is elastically deformed, when the slider is pushed by the circuit board, the convex part comes off from the first-stage concave part with the insertion of the circuit board and fits into the second-stage concave part. On the other hand, when the slider is pushed by the circuit board, it comes off the second-stage recess as the circuit board is pulled out and fits into the first-stage recess. Thus, not only the initial position of the slider but also the board insertion completion position is determined by the fitting of the convex part and the concave part. Accordingly, it is possible to suppress the above-described problems caused by variations in the position of the slider. And the electrical connection reliability of a contact part and an electrode can be improved.

  According to a fourteenth aspect of the present invention, the slider has a main body portion having a contact portion supporting surface and a convex portion that protrudes from the main body portion and is elastically deformable, and the housing opens on the wall surface of the insertion hole. The electronic device according to claim 9, further comprising a recess.

  According to this, the position of a slider can be determined because the convex part provided in the slider fits into the concave part provided in the housing.

  According to a fifteenth aspect of the present invention, the slider may have a plurality of groove portions provided on the contact portion support surface so as to correspond to the respective contact portions.

  According to this, when the circuit board is pulled out, the contact portions of the terminals riding on the slider are brought into contact with each other between the adjacent terminals in the lateral direction, and the occurrence of peeling of the plating layer or deformation of the terminals is suppressed. be able to.

As claimed in claim 16, the electrodes are respectively provided on both sides of the circuit board,
A structure having a terminal protruding from the wall surface of the insertion hole facing one surface of the circuit board and a terminal protruding from the wall surface of the insertion hole facing the surface opposite to the one surface of the circuit board may be adopted as the plurality of terminals. .

  According to this, the electrical connection path | route by a card edge connector can be increased efficiently. In addition, since the circuit board can be fixed by terminals located on both sides of the circuit board, the terminal located on one side of the circuit board and the reaction force caused by spring deformation are located on the other side of the circuit board. Compared to a configuration in which the circuit board is fixed by a support portion that does not provide the circuit board, the position adjustment margin of the circuit board in the height direction can be increased. For example, it is possible to cope with a circuit board having a large warp. It is also possible to suppress an excessive reaction force due to spring deformation from being applied to the circuit board due to warpage or the like.

It is sectional drawing which shows schematic structure of the electronic device which concerns on 1st Embodiment. It is sectional drawing which follows the II-II line | wire of FIG. It is sectional drawing which shows schematic structure of a card edge connector among the electronic devices shown in FIG. It is a top view of the slider seen from the height direction. 3A and 3B are diagrams showing a positional relationship among lands, terminals, and sliders, where FIG. 3A shows a portion along the line Va-Va in FIG. 2, and FIG. 3B shows a portion along the line Vb-Vb in FIG. It is sectional drawing which shows the insertion process of a circuit board, (a) is an initial state, (b) is in the middle of the insertion after slider contact, (c) has shown the insertion completion state. It is a figure which shows the relationship between a slider displacement amount and the spring load by a terminal, (a) shows this embodiment, (b), (c) shows a comparative example. It is a figure which shows the modification of a card edge connector. It is sectional drawing which shows the modification of a card edge connector. It is a figure which shows the modification of a card edge connector, (a) is a top view, (b) is sectional drawing which follows the Xb-Xb line | wire of (a). It is a figure which shows schematic structure of a card edge connector among the electronic devices which concern on 2nd Embodiment, (a) is the top view seen from the front end surface side, (b) is along the XIb-XIb line | wire of (a). (C) is sectional drawing which follows the XIc-XIc line | wire of (b). It is a fragmentary sectional view which shows the insertion process of a circuit board, (a) is an initial state, (b) is in the middle of insertion after slider contact, (c) has shown the insertion completion state. It is a figure which shows the modification of a card edge connector, (a) is a fragmentary sectional view, (b) is sectional drawing which follows the XIIIb-XIIIb line | wire of (a). It is a figure which shows the modification of a card edge connector, (a) is a top view, (b) is sectional drawing which follows the XIVb-XIVb line | wire of (a). It is a fragmentary sectional view showing the modification of a card edge connector. It is a fragmentary sectional view showing the modification of a card edge connector. It is a fragmentary sectional view showing a schematic structure of an electronic device concerning a 3rd embodiment. It is a perspective view which shows schematic structure of a slider among the electronic devices shown in FIG. It is the figure which expanded the lock | rock part periphery among the sliders shown in FIG. It is a figure which shows the insertion process of a circuit board, (a) is a fragmentary sectional view which shows the thing regarding the return means of a slider, (b) is sectional drawing which follows the XXb-XXb line | wire of (a), Comprising: The figure which shows the thing regarding a means, (c) is a fragmentary sectional view which shows the thing regarding the positioning means of a slider, (d) is sectional drawing which follows the XXd-XXd line | wire of (a). FIG. 21 is a diagram illustrating a circuit board insertion process subsequent to FIG. 20. FIG. 22 is a diagram illustrating a circuit board insertion process following FIG. 21; FIG. 23 is a diagram illustrating a circuit board insertion process subsequent to FIG. 22; It is a figure which shows a board | substrate insertion completion state. It is a figure which shows the drawing process of a circuit board, (a) is a fragmentary sectional view which shows the thing regarding the return means of a slider, (b) is sectional drawing which follows the XXVb-XXVb line | wire of (a), Comprising: The figure which shows the thing regarding a means, (c) is a fragmentary sectional view which shows the thing regarding the positioning means of a slider, (d) is sectional drawing which follows the XXVd-XXVd line | wire of (a). FIG. 26 is a diagram illustrating a circuit board extraction process subsequent to FIG. 25. FIG. 27 is a diagram illustrating a circuit board extraction process subsequent to FIG. 26; It is a figure which shows the initial state by which a circuit board is pulled out. It is a perspective view which shows the modification of a locking part. It is a figure which shows the state from which a lock part remove | deviates from a notch part, (a) shows the lock part of FIG. 29, (b) has shown the lock part shown in FIG. It is a figure which shows the modification of a guide part, (a) is a fragmentary sectional view, (b) is sectional drawing which follows the XXXIB-XXXIb line | wire of (a). It is a figure for demonstrating the structure of a 2nd arm part, and has hatched the 2nd arm part for convenience. It is sectional drawing which shows the positional variation of the circuit board at the time of insertion, and has hatched the 2nd arm part for convenience. It is sectional drawing which shows the modification of a lock | rock part, and has hatched the 2nd arm part for convenience. It is sectional drawing which shows the modification of a lock | rock part, and has hatched the 2nd arm part for convenience. It is sectional drawing which shows the modification of a lock | rock part, and has hatched the 2nd arm part for convenience. It is a figure which shows the modification of a 2nd arm part, (a) is a top view top view, (b) is a side view of a locking part. It is a fragmentary sectional view showing the modification of the 2nd arm part and a guide part. It is sectional drawing which follows the XXXIX-XXXIX line | wire of FIG. It is sectional drawing which shows the time of drawing-out of a circuit board.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following embodiments, common or related elements are given the same reference numerals. Also, the depth direction of the insertion hole provided in the housing of the card edge connector, in which the circuit board is inserted and arranged, is simply the depth direction, and the height direction of the insertion hole of the housing corresponding to the thickness direction of the circuit board is A direction perpendicular to both the height direction, the depth direction, and the height direction is simply referred to as a lateral direction.

(First embodiment)
As shown in FIG. 1, the electronic device 10 includes a card edge connector 11, a circuit board 12, and a case 13 as main parts.

  The card edge connector 11 is a relay member that electrically connects the harness 14 (device outside the electronic device 10 via the harness 14) and the circuit board 12, and as a main part, a housing 20 made of an electrically insulating material, A terminal 30 held by the housing 20 and a slider 40 provided in the insertion hole 21 of the housing 20 so as to be displaceable in the depth direction are provided.

  The housing 20 is formed by, for example, resin injection molding, and has an insertion hole 21 into which the circuit board 12 is inserted. As shown in FIGS. 1 to 3, the insertion hole 21 is provided with a depth that allows the circuit board 12 and the slider 40 to be disposed while opening in the distal end surface 20 a of the housing 20.

  In the present embodiment, the insertion hole 21 is a through hole that penetrates the housing 20 in the depth direction. And the edge part on the opposite side to the front end surface 20a of the insertion hole 21 which penetrates the housing 20 is obstruct | occluded by the waterproof member 22 which consists of rubber | gum, for example. The waterproof member 22 is made of resin, for example, and is sandwiched between the cover 23 and the housing 20 assembled to the housing 20 so as to close one end of the insertion hole 21. Thus, the portion of the insertion hole 21 closer to the distal end surface 20 a in the depth direction than the waterproof member 22 forms the storage space 24 for the slider 40 and the circuit board 12.

  The size of the storage space 24 in the height direction and the horizontal direction has such a size that the slider 40 can be displaced in the displacement region of the slider 40, and the circuit in the region where the circuit board 12 is disposed without the slider 40 being disposed. It is only necessary to have a size that allows the substrate 12 to be disposed. For example, the size may be adjusted to the slider 40 over the entire depth direction (see FIG. 6 to be described later), or as shown in FIGS. 1 and 3, the slider 40 is not disposed and the circuit board 12 is disposed. The height of the area to be moved may be lower than the height of the displacement area of the slider 40. If the slider 40 is not disposed and the height of the region where the circuit board 12 is disposed is lowered, the positional variation in the height direction when the circuit board 12 is inserted into the insertion hole 21 can be reduced.

  The housing 20 has a storage space 25 for storing the harness 14. When the harness 14 is inserted into the storage space 25, the terminal 30 and the harness 14 are electrically connected. Further, a seal member 26 made of, for example, silicon rubber is provided on the outer peripheral surface of the housing 20 in an annular shape along the outer peripheral surface. For this reason, when the housing 20 is fitted into the case 13, the seal member 26 can prevent moisture and the like from entering the internal space of the case 13 from the gap between the inner surface of the case 13 and the outer surface of the housing 20. Although not shown, a fitting portion with the case 13 is provided on the outer peripheral surface of the housing 20.

  In addition, as the housing 20, the structure which makes the one housing 20 is also employable by combining a some housing structural member.

  The terminal 30 is a relay member that is held by the housing 20 and electrically connects the electrode 60 and the harness 14, and is formed using a metal material having good conductivity. For example, phosphor bronze coated with nickel plating and further coated with gold plating can be employed.

  Further, a part of the terminal 30 is press-fitted into a groove (not shown) of the housing 20, and a part including the contact portion 31 with the electrode 60 (land) provided at the end of the circuit board 12 is part of the housing described above. It protrudes into the insertion hole 21 from the holding portion (the insertion hole wall surface 21a in the height direction). The protruding portion 32 protruding into the insertion hole 21 can be spring-deformed with the housing holding portion as a fulcrum, and is provided so that the contact portion 31 contacts the electrode 60 in the spring-deformed state. Moreover, the protrusion part 32 is extended toward the depth direction back | inner side opposite to the front end surface 20a in the insertion hole 21 from the housing holding part. The plurality of terminals 30 (the plurality of protrusions 32) are arranged along the horizontal direction.

  Of the protrusions 32, the contact portion 31 is the farthest part from the insertion hole wall surface 21 a in the height direction where the terminal 30 including the contact portion 31 is held. In the present embodiment, the electrode forming surface of the circuit board 12 provided with the electrode 60 that contacts the contact portion 31 in the height direction as the portion of the protruding portion 32 from the protruding tip to the contact portion 31 is closer to the protruding tip. A taper shape is formed so as to be away from (hereinafter simply referred to as an electrode formation surface of the circuit board 12). On the other hand, the portion of the protruding portion 32 from the contact portion 31 to the housing holding portion is so tapered that the closer to the housing holding portion (corresponding insertion hole wall surface 21a), the farther from the electrode forming surface of the circuit board 12. Yes.

  And the contact part 31 of the terminal 30 contacts the electrode 60 in the state which the protrusion part 32 containing this contact part 31 deformed elastically. Therefore, a stable contact pressure with the electrode 60 of the circuit board 12 can be ensured.

  In particular, in the present embodiment, the protruding portions 32 protrude from the opposing insertion hole wall surfaces 21a in the height direction, and the reaction force (mainly elastic deformation) of the protruding portions 32 located on both sides of the circuit board 12 ( The circuit board 12 is fixed by an urging force. Therefore, the circuit board 12 can be held at the center of the insertion hole 21 in the height direction by the protrusions 32 positioned on both sides.

  Further, the protruding portion 32 has a contact portion 33 that is supported in contact with the slider 40 on the far side in the depth direction from the contact portion 31. The contact portion 33 is inserted until the circuit board 12 is inserted into the insertion hole 21, and the slider 40 pushed by the circuit board 12 is displaced in the depth direction, whereby the slider 40 is disengaged from the slider 40. Is supported by Therefore, the contact portion 33 is supported by the slider 40 before the circuit board 12 is inserted, and the contact portion 33, that is, the terminal 30 is completely detached from the slider 40 after the insertion of the circuit board 12 is completed. Then, the slider 40 is brought into a non-contact state.

  When the contact portion 33 is supported by the slider 40, the protruding portion 32 is expanded toward the insertion hole wall surface 21a side where the terminal 30 having the protruding portion 32 is held. As a result, the contact portion 31 is positioned away from the electrode formation surface of the circuit board 12. In the present embodiment, a portion of the projecting portion 32 within a predetermined range from the projecting tip is the contact portion 33. That is, the slider contact surface of the contact portion 33 has a taper shape that approaches the electrode formation surface as it approaches the tip surface 20a in the depth direction.

  In the present embodiment, the terminal 30 includes a power transmission power terminal 34 and a signal transmission signal terminal 35 having a smaller cross-sectional area than the power terminal 34. In addition, the contact portion of the terminal 30 with the harness 14 is exposed in the storage space 25 that opens on the surface of the housing 20 opposite to the front end surface 20a. Therefore, the circuit board 12 and the harness 14 are electrically connected via the terminal 30 in a state where the harness 14 is inserted into the storage space 25 of the housing 20. In addition, the terminal 30 of the structure integrated with the harness 14 can also be employ | adopted.

  The slider 40 is a member for preventing the contact portion 31 from contacting the circuit board 12 before the contact portion 31 of the terminal 30 contacts the electrode 60 when the circuit board 12 is inserted into the insertion hole 21. is there. Although it does not specifically limit as a constituent material, In order to contact the terminal 30 (contact part 33), it is preferable that a contact part consists of resin. In this embodiment, it is comprised as a resin molding using a metal mold | die.

  The slider 40 is disposed in the depth direction with respect to the contact portion 31 of each terminal 30 in the insertion hole 21. And in the insertion hole 21, it can be displaced in the depth direction by receiving an external force. Specifically, the circuit board 12 is pushed by the circuit board 12 as the circuit board 12 is inserted into the insertion hole 21, and the contact portion 31 contacts the electrode 60 from the initial position before the circuit board 12 is inserted. 12 is provided so as to be displaced in the depth direction to the board insertion completion position where insertion of 12 is completed.

  In the initial position, the slider 40 supports the contact portion 33 in a state where the protruding portion 32 of the terminal 30 is expanded. Thereby, the contact part 31 is hold | maintained in the position (position which does not contact an electrode formation surface) away from the corresponding electrode formation surface of the circuit board 12. FIG. In other words, the slider 40 is held at the initial position by the reaction force of the spring deformation of the protrusion 32.

  Further, at the board insertion completion position, the slider 40 is pushed to a position where the contact portion 33 of the terminal 30 cannot be supported. For this reason, the contact portion 31 of the terminal 30 that is not supported by the slider 40 applies a reaction force due to spring deformation to the circuit board 12 via the contact portion 31 that contacts the electrode 60.

  In the present embodiment, the slider 40 has a shape that is long in the horizontal direction as shown in FIG. 4 in order to support the contact portions 33 of all the terminals 30 arranged in the horizontal direction. In addition, a predetermined portion from the end portion on the distal end surface 20 a side is a support portion 41 that supports the contact portion 33. And the support surface 41a of the contact part 33 in the support part 41 has the taper shape which approaches an electrode formation surface, so that it is near the front end surface 20a in the depth direction. The end surface 20a side end of the support surface 41a is closer to the corresponding electrode forming surface than the tip of the protruding portion of the terminal 30 that is not supported by the slider 40, and the depth direction of the support surface 41a. The end on the far side is located farther from the corresponding electrode forming surface than the tip of the protruding portion of the terminal 30 that is not supported by the slider 40. In other words, the length (thickness) along the height direction of the support portion 41 of the slider 40 is thicker than the circuit board 12 at the end on the tip end surface 20a side, and between the tips of the protrusions of the terminals 30 that make a pair. It is shorter than the distance. Moreover, it is longer than the distance between the front-end | tip parts of the protrusion part of the terminal 30 which makes a pair in the edge part of the depth direction back side.

  The slider 40 described above can be disposed in the insertion hole 21 by the method described below. The slider 40 is inserted into the insertion hole 21 from the end side opposite to the distal end surface 20a with respect to the housing 20 to which the terminal 30 is press-fitted and fixed. At this time, when the slider 40 is displaced in the depth direction toward the tip surface 20 a, the tip of the support portion 41 enters the contact portion 33. Then, by further displacing the slider 40 toward the distal end surface 20a, the slider 40 can be disposed at the initial position while the support portion 41 contacts the contact portion 33 and expands the protruding portion 32. Further, the slider 40 is held at the initial position by a reaction force due to the spring deformation of the protruding portion 32 of the terminal 30.

  As described above, when the insertion hole 21 is a through hole, the slider 40 is inserted into the insertion hole 21 from the side opposite to the distal end surface 20a, so that it protrudes into the insertion hole 21 from the housing holding portion and moves deeper in the depth direction. A structure in which the contact portion 33 of the projecting portion 32 extending toward the support portion 33 is supported by the slider 40 can be easily formed. Moreover, since the slider 40 is inserted and arranged from the depth direction rear side of the contact part 31 of the terminal 30, damage to the contact part 31 can also be suppressed. After the slider 40 is inserted and disposed, the end of the insertion hole 21 opposite to the distal end surface 20a is closed by the lid member (waterproof member 22 and cover 23), thereby protecting the terminal 30 and the slider 40. can do.

  The circuit board 12 has electrodes 60 on both sides thereof. For this reason, the electrical connection path | route by the card edge connector 11 can be increased efficiently compared with the circuit board 12 of a single-sided electrode structure. It is to be noted that a configuration is adopted in which the circuit board 12 is fixed by a terminal 30 located on one side of the circuit board 12 and a support part that is located on the other side of the circuit board 12 and does not apply a reaction force due to spring deformation. You can also.

  Further, the electrodes 60 of the circuit board 12 are provided in a plurality of rows in the depth direction, and are shifted in the lateral direction for each row. Specifically, as shown in FIGS. 5A and 5B, the two rows of electrodes 60a and 60b are arranged in a so-called zigzag pattern by shifting the positions in the horizontal direction. Then, as the plurality of terminals 30, the terminals 30 having different lengths of the protrusions 32 corresponding to the plurality of rows of electrodes 60 (60 a, 60 b) are the same type as the number of columns of the electrodes 60 (60 a, 60 b). The contact portion 33 of each terminal 30 is supported by the slider 40 at the same position in the depth direction at the initial position of the slider 40. By adjusting the length of the protruding portion 32 in the terminal 30 as described above, the shape of the slider 40 can be simplified. 5A and 5B, only the protruding portion 32 of the terminal 30 is shown for convenience.

  The case 13 has a bag shape and accommodates the housing 20 together with the circuit board 12 in a depth direction to a position deeper than the displaceable range of the slider 40 in the depth direction. The case 13 may be composed of only one member, or may be configured by combining a plurality of members.

  Next, the operation of inserting the circuit board 12 into the card edge connector 11 will be described.

  As shown in FIG. 6A, in the state of the initial position before the slider 40 is pushed by the circuit board 12 and displaced in the depth direction, the contact portion 33 of each terminal 30 is supported by the slider 40. The protruding portion 32 is expanded and the contact portion 31 is located away from the corresponding electrode forming surface of the circuit board 12. Thereby, at least until the circuit board 12 passes through the contact part 31 and contacts the slider 40, the contact part 31 can be prevented from contacting the circuit board 12. Further, until the circuit board 12 comes into contact, the slider 40 is held at the initial position by the reaction force of the spring deformation of the protruding portion 32.

  When the circuit board 12 is inserted in the depth direction from the state shown in FIG. 6A, the circuit board 12 reaches the support 41 side end of the slider 40. When the circuit board 12 is further inserted, the slider 40 is pushed by the circuit board 12 and the slider 40 is displaced together with the circuit board 12. At this time, the contact portion 33 is displaced along the tapered support surface 41 a and is displaced toward the end portion of the support portion 41 on the front end surface 20 a side as the slider 40 is displaced. That is, the contact portion 33 is gradually detached from the support portion 41. For this reason, the contact portion 31 of the terminal 30 gradually approaches the corresponding electrode formation surface of the circuit board 12 in the height direction.

  In the present embodiment, as shown in FIG. 6B, the contact portion 31 of the terminal 30 is connected to the circuit board in a state where the end portion on the insertion tip side of the electrode 60 of the circuit board 12 has reached the contact portion 31 of the terminal 30. 12 corresponding electrode forming surfaces (ie, electrode 60) are contacted.

  Further, when the circuit board 12 is inserted and the slider 40 is pushed by the circuit board 12, the contact portion 33 of the terminal 30 is completely detached from the slider 40 as shown in FIG. That is, it will be in a non-contact state. Then, the board insertion is completed in a state where the contact portion 31 of the terminal 30 is positioned substantially at the center of the electrode 60 of the circuit board 12. At this point, the slider 40 is at the substrate insertion completion position described above.

  As described above, in this embodiment, the contact portion 33 of each terminal 30 is supported by the slider 40 in the state of the initial position, and the protruding portion 32 is expanded, so that the contact portion 31 extends from the corresponding electrode formation surface of the circuit board 12. Held in a distant position. For this reason, it is possible to prevent the contact portion 31 from contacting the circuit board 12 until at least the circuit substrate 12 passes through the contact portion 31 and contacts the slider 40. And the electrical connection reliability can be improved by suppressing the short circuit due to the peeling of the plating on the surface of the terminal, the deformation of the terminal, and the peeling of the plating scraps.

  Further, the contact portion 33 of the terminal 30 is completely detached from the slider 40 in a state where the slider 40 is displaced to the substrate insertion completion position. When the terminal 30 is detached from the slider 40 as described above, the load due to the spring deformation is not applied to the slider 40, so that the contact portion 31 can be stably brought into contact with the electrode 60 by the reaction force due to the spring deformation of the terminal 30. it can. That is, electrical connection reliability can be improved.

  Further, the terminal 30 is completely detached from the slider 40 in a state where the contact portion 31 is in stable contact with the electrode 60, that is, in a state where the slider 40 is at the substrate insertion completion position. Therefore, since there is no influence of the vibration of the protrusion 32 with the slider 40 as a fulcrum or the displacement of the protrusion 32 in the height direction due to the creep phenomenon of the slider 40, the contact portion 31 and the electrode 60 can be controlled while suppressing the spring force. The fluctuation of the contact pressure can also be suppressed. As a result, it is possible to further suppress short-circuiting due to peeling of plating on the surface of the terminal, deformation of the terminal, peeling-off of plating scraps, and the like.

  Next, the relationship between the displacement amount of the slider 40 and the reaction force (spring load) due to the spring deformation of the terminal 30 will be described. 7A to 7C, the load applied to the slider 40 is indicated by a solid line, and the load applied to the circuit board 12 is indicated by an alternate long and short dash line. Further, A0 indicates a state in which the displacement of the slider 40 is zero, that is, an initial position, and A3, A5, and A7 each indicate a state of a substrate insertion completion position.

  In the present embodiment, the support surface 41a that supports the contact portion 33 of the slider 40 and the slider contact surface of the contact portion 33 have opposing taper shapes. For this reason, when the contact portion 31 of the terminal 30 is the position farthest from the electrode formation surface of the circuit board 12 in the height direction when the slider 40 is in the initial position, until the contact with the electrode 60 from the initial position state, With the displacement of the slider 40 toward the back in the depth direction, the electrode formation surface of the circuit board 12 is approached.

  For this reason, as shown in FIG. 7A, between the point A0 where the amount of displacement is zero and the point A1 where the contact portion 31 of the terminal 30 contacts the electrode formation surface (electrode 60) of the circuit board 12, The load (spring load) applied to the slider 40 gradually decreases. Further, the load (spring load) applied to the slider 40 gradually decreases until the point A2 at which the contact portion 33 is completely removed from the slider 40.

  On the other hand, in the comparative example in which the contact portion 33 and the support surface 41a extend along the depth direction, as shown in FIG. 7B, the contact portion 31 of the terminal 30 is connected to the circuit from the point A0 where the displacement amount is zero. While contacting the electrode forming surface (electrode 60) of the substrate 12, the load (spring load) applied to the slider 40 hardly changes until the point A4 at which the contact portion 33 is completely removed from the slider 40. Therefore, according to the present embodiment, it is possible to reduce a load (impact) applied to the circuit board 12 suddenly (instantaneously) when the terminal 30 is detached from the slider 40.

  Further, in the present embodiment, as shown in FIG. 7A, the electrode 60 having a predetermined width in the depth direction at the point A1 before the point A2 where the contact portion 33 of the terminal 30 is completely removed from the slider 40. The contact portion 31 is placed on one part and the surface of the electrode 60 and the contact portion 31 of the terminal 30 are wiped until the substrate insertion completion position is reached.

  In the above configuration, the reaction force (spring load) of spring deformation is distributed not only to the slider 40 but also to the circuit board 12 from the time A1 when the contact portion 31 of the terminal 30 is placed on the electrode 60. Further, the load applied to the circuit board 12 gradually increases as the load applied to the slider 40 gradually decreases. For this reason, the reduction degree of the load applied to the slider 40 with respect to the displacement amount of the slider 40 is large, and the load applied to the slider 40 is greatly reduced when the terminal 30 is completely removed from the slider 40.

  On the other hand, although the configuration of FIG. 7B, the support surface 41a that supports the contact portion 33 of the slider 40, and the slider contact surface of the contact portion 33 have opposing taper shapes, In the configuration in which the contact portion 31 of the terminal 30 is in contact with the electrode forming surface (electrode 60) of the circuit board 12 and the contact portion 33 is completely removed from the slider 40 (see FIG. 7C), FIG. Compared to the configuration, the degree of decrease in the load applied to the slider 40 with respect to the amount of displacement of the slider 40 is small. Therefore, according to the present embodiment, it is possible to more effectively reduce the load (impact) applied suddenly (instantaneously) to the circuit board 12.

  Further, by slightly sliding the contact portion 31 with respect to the surface of the electrode 60, the insulating film on the surface of the electrode 60 can be broken, or the wiping distance for removing foreign matter on the surface can be earned.

  In particular, in the present embodiment, since the support surface 41a that supports the contact portion 33 of the slider 40 and the slider contact surface of the contact portion 33 have opposing taper shapes, the slider 40 (support surface 41a) and the terminal The terminal is easy to move on the slider 40 in a state where 30 (contact surface) is in contact. Thereby, for example, the force required when inserting the circuit board 12 can be reduced. If at least one of the support surface 41a that supports the contact portion 33 of the slider 40 and the slider contact surface of the contact portion 33 has a taper shape that approaches the electrode formation surface as the tip surface 20a is closer in the depth direction. The above effects can be achieved.

(Modification)
At least one of the support surface 41a of the slider 40 and the slider contact surface of the contact portion 33 may not have the above tapered shape. Alternatively, the board insertion may be completed immediately after the contact portion 33 of the terminal 30 is completely removed from the support surface 41a of the slider 40.

  In a configuration in which the electrodes 60 of the circuit board 12 are provided in a plurality of rows in the depth direction and are shifted in the horizontal direction for each row, as shown in FIGS. The terminals 30 may have a structure in which the lengths of the protruding portions 32 are all equal, and the positions at which the contact portions 33 of the slider 40 are supported differ for each row of the electrodes 60 (60a, 60b) in the depth direction. FIGS. 8A and 8B correspond to FIGS. 5A and 5B. Thus, when the length is adjusted on the slider 40 side, the same terminal 30 can be used even if the columns are different. In the case of the configuration shown in FIG. 8, the slider 40 protrudes according to the position of the electrode 60 (60a, 60b), and the protruding portion of the slider 40 (support for supporting the contact portion 33 of the terminal 30 corresponding to the electrode 60b) is supported. The groove 41 (see the broken line in FIG. 8B) for accommodating the circuit board 12 is provided in the portion 41).

  Further, as shown in FIG. 9, the housing 20 has a protective wall portion 27 provided next to the contact portion 31 in the lateral direction, and the protective wall portion 27 is at the initial position of the slider 40 in the height direction. It may be configured to extend to a position closer to the electrode formation surface than the contact portion 31 while being separated from the electrode formation surface of the circuit board 12 so as to cover the contact portion 31. According to this, when the circuit board 12 is inserted, when the circuit board 12 passes through the contact portion 31 of the terminal 30, the circuit board 12 is warped or the position of the circuit board 12 varies in the height direction. In addition, the protective wall portion 27 can prevent the circuit board 12 from coming into contact with the contact portion 31. That is, electrical connection reliability can be improved. Further, the warp of the circuit board 12 can be corrected by the protective wall portion 27.

  In particular, in FIG. 9, the protective wall portion 27 is provided from a position closer to the tip surface 20 a than the contact portion 31 in the depth direction, and the facing surface 27 a to the electrode formation surface of the circuit board 12 is closer to the depth direction. It has a tapered shape that approaches the electrode formation surface. With such a configuration, when the circuit board 12 is inserted into the insertion hole 21, the circuit board 12 can be guided (guided) to a desired position in the height direction by the protective wall portion 27. That is, positioning in the height direction can be performed.

  Further, as shown in FIGS. 10A and 10B, the slider 40 corresponds to each contact portion 33, and the bottom surfaces of the plurality of groove portions 42 provided on the support portion 41 of the slider 40 are connected to the contact portion 33. The support surface 41a may be used. According to this, for example, when the slider 40 is assembled to the housing 20 (when the card edge connector 11 is formed) so that the contact portion 33 of the terminal 30 is placed on the slider 40, the contact between the terminals 30 adjacent in the lateral direction. It can suppress that the part 33 contacts mutually and peeling of a plating layer, a deformation | transformation of the terminal 30, etc. arise.

(Second Embodiment)
In this embodiment, in addition to the configuration shown in the first embodiment, as a positioning means for determining at least the initial position of the slider 40, a convex portion provided on one side of the housing 20 including the slider 40 and the terminal 30 so as to be elastically deformable. The main feature is that the concave portion that fits the convex portion is provided on the other side, and at least the slider 40 is in the initial position so that the convex portion fits into the concave portion.

  11A to 11C show a schematic configuration of the card edge connector 11 (electronic device 10) according to the present embodiment. For convenience, the case 13 is not shown. Further, in FIG. 11B, the housing 20 is a cross-sectional view cut along a plane passing through the two-stage through holes 28 (28a, 28b) constituting the positioning means, and a slider positioned in the insertion hole 21 of the housing 20 40 is a plan view. As shown in FIGS. 11A to 11C, a through hole 28 serving as a recess is provided through the housing 20 while opening in a lateral insertion hole wall surface 21 b of the housing 20. As shown in FIGS. 11B and 11C, the through hole 28 is provided in two stages along the depth direction, and the first through hole 28a close to the distal end surface 20a is provided as a slider. The initial position 40 and the second through-hole 28b correspond to the substrate insertion completion position.

  On the other hand, the first arm portion 43 as a convex portion protrudes from the slider main body portion 40a. The slider main body 40a corresponds to the slider 40 described in the first embodiment and the slider described in the claims. The first arm portion 43 extends from the slider main body portion 40a toward the distal end surface 20a in the depth direction, and is provided with a spring portion 43a that is elastically deformable in the lateral direction, and extends outward in the lateral direction from the spring portion 43a. It has the lock part 43b which fits. The other configuration is the same as that shown in the first embodiment.

  Next, the operation of inserting the circuit board 12 into the card edge connector 11 will be described.

  FIG. 12A shows the initial position before the circuit board 12 contacts the slider body 40a (slider 40). In this state, the lock portion 43b of the first arm portion 43 is fitted in the first-stage through hole 28a, so that the slider main body portion 40a is securely held at the initial position. In this initial position, although not shown, the contact portion 33 of each terminal 30 is supported by the slider body 40a and the protruding portion 32 is expanded and the contact portion 31 is connected to the circuit board 12 as in the first embodiment. The position is away from the corresponding electrode forming surface.

  When the circuit board 12 is inserted in the depth direction from the state shown in FIG. 12A, the circuit board 12 reaches the slider main body 40a. When the circuit board 12 is further inserted, the slider body 40a is pushed by the circuit board 12, and the slider body 40a is displaced together with the circuit board 12. Due to the displacement of the slider body 40a, the spring portion 43a of the first arm portion 43 is bent (elastically deformed), and the lock portion 43b is removed from the through hole 28a as shown in FIG.

  Further, when the circuit board 12 is inserted and the slider 40 is pushed by the circuit board 12, the lock part 43b of the first arm part 43 is fitted into the second through-hole 28b as shown in FIG. Maru. Thereby, the slider main body 40a is securely held at the board insertion completion position. In the state of the substrate insertion completion position, although not shown, the contact portion 33 of the terminal 30 is completely detached from the slider main body 40a as in the first embodiment. That is, it will be in a non-contact state. Then, the contact portion 31 of the terminal 30 is located at the approximate center of the electrode 60 of the circuit board 12.

  Thus, in the present embodiment, the lock portion 43b is fitted into the through hole 28a with the slider main body portion 40a in the initial position. Thus, the initial position of the slider main body 40a is determined by the fitting of the convex portion and the concave portion. Therefore, compared to the configuration in which the slider 40 is held at the initial position only by the reaction force of the spring deformation of the protruding portion 32, the positional variation (variation of the initial position) of the slider main body portion 40a is suppressed, and the contact portion 31 and the electrode The reliability of electrical connection with 60 can be improved.

  In particular, in the present embodiment, the lock body 43b is fitted in the first-stage through hole 28a with the slider body 40a in the initial position, and the second-stage through with the slider body 40a in the substrate insertion completion position. The lock part 43b fits into the hole 28b. Thus, the board insertion completion position of the slider body 40a is also determined by the fitting of the convex part and the concave part. Therefore, the variation in the board insertion completion position of the slider main body 40a can be suppressed, and the electrical connection reliability between the contact 31 and the electrode 60 can be further improved.

  In the present embodiment, since the through hole 28 penetrating the housing 20 is a recess, the recess can also be formed when the housing 20 is collectively formed by resin molding using a mold.

  In the present embodiment, the waterproof member 22 (and the cover 23) disposed in the insertion hole 21 serves as a stopper that prevents the slider body 40a from being displaced in the depth direction from the substrate insertion completion position. Fulfills the function. Therefore, even if the circuit board 12 is pushed too far in the depth direction and the slider 40 cannot be held at the board insertion completion position only by fitting the convex part and the concave part, the waterproof body 22 has a slider body. Since the portion 40a stops, the slider 40 can be held at the substrate insertion completion position. Further, since the waterproof member 22 (and the cover 23) also serves as a stopper, the number of parts can be reduced.

(Modification)
In the above example, the convex portion is provided on the slider 40 and the concave portion is provided on the housing 20, but the concave portion may be provided on the slider 40 and the convex portion may be provided on the housing 20.

  As shown in FIG. 13, the through hole 28 as a recess may be provided in the insertion hole wall surface 21 a in the height direction in the housing 20. In this case, the spring portion 43a of the first arm portion 43 is provided so as to be elastically deformable in the height direction.

  In the above example, the example in which the initial position of the slider 40 (slider body 40a) and the board insertion completion position are both determined is shown. On the other hand, as shown in FIGS. 14A and 14B, the terminal 30 has a convex portion 36 as a part of the contact portion 33, and the slider 40 has a concave portion 44 on the support surface 41 a of the contact portion 33. You may do it. According to this, the initial position of the slider 40 can be determined by fitting the convex portion 36 of the terminal 30 into the concave portion 44 provided in the slider 40. The configuration shown in FIGS. 14A and 14B corresponds to FIGS. 10A and 10B shown in the first embodiment.

  In the above example, the waterproof member 22 has shown an example of functioning as a stopper that prevents the slider main body 40a from being displaced further in the depth direction than the board insertion completion position. That is, the example using the stopper of a member different from the housing 20 was shown. However, as shown in FIG. 15, as a part of the insertion hole wall surface (21 a or 21 b) of the housing 20, there is a stopper 29 that prevents the slider body 40 a from being displaced deeper in the depth direction than the substrate insertion completion position. It may be configured. According to this, the number of parts can also be reduced.

  On the other hand, as shown in FIG. 16, the stopper 70 that prevents the slider body 40 a from being displaced in the depth direction from the initial position in the insertion hole 21 of the housing 20 causes the displacement of the circuit board 12. It may be provided so as not to interfere. For example, when the slider 40 is inserted into the insertion hole 21 from the side opposite to the distal end surface 20a, the slider 70 is pushed too much and the stopper 70 is not able to be held at the initial position only by fitting the convex portion and the concave portion. Since the slider main body 40a stops, the slider 40 can be held at the initial position. In the example shown in FIG. 16, a part of the inner wall of the housing 20 is a stopper 70 that protrudes from the surroundings.

(Third embodiment)
The electronic device 10 according to the present embodiment is mainly characterized by having the following configuration.

  Similar to the above embodiment, in this embodiment, the protruding portion 32 of the terminal 30 is tapered such that the portion from the tip to the end on the contact portion 31 side of the contact portion 33 is separated from the corresponding electrode forming surface as the tip is closer. Has a shape.

  Although not shown, the protrusion 32 is completely separated from the slider 40, and the tip of the protrusion 32 is farther from the corresponding electrode forming surface than the end on the tip surface 20 a side of the support surface 41 a of the slider 40. Position.

  In addition, in this embodiment, when the circuit board 12 is pulled out from the insertion hole 21, there is provided return means for returning the slider 40 to the initial position with the displacement of the circuit board 12. Other configurations are the same as those shown in the first embodiment or the configuration shown in the second embodiment.

  17 to 19 show a schematic configuration of the electronic device 10 according to the present embodiment. FIG. 17 is a partial cross-sectional view for illustrating the positional relationship between the positioning means and the return means in the electronic apparatus 10. In order to show the positional relationship as described above, the housing 20 is a cross-sectional view cut along a plane passing through the two-stage through holes 28 (28a, 28b) constituting the positioning means, and is positioned in the insertion hole 21 of the housing 20. The slider 40 and the circuit board 12 are plan views. For convenience, the case 13 is not shown. The electronic device 10 according to the present embodiment illustrated in FIGS. 17 to 19 is obtained by adding the main characteristic configuration according to the present embodiment to the electronic device 10 (see FIG. 11) illustrated in the second embodiment. ing.

  In the present embodiment, the return means includes a notch 61 provided at the lateral end of the circuit board 12 and a second arm protruding from the slider body 40a (corresponding to the slider 40 of the first embodiment). It is comprised by the part 45 and the guide part 71a provided in the insertion hole wall surface 21b of the horizontal direction in the housing 20. As shown in FIG. The cutout portions 61 are provided at both ends in the lateral direction of the circuit board 12 so as to open to the end surfaces.

  The second arm portion 45 is disposed in the insertion hole 21 (in the storage space 24) of the housing 20 together with the slider main body portion 40a. Then, the slider 40 extends from the slider 40 to the tip surface 20a side at a position not in contact with the circuit board 12 and is elastically deformable, and extends from the spring part 45a to the circuit board 12 side. It has the lock part 45b which fits in the notch part 61 in the state of a position.

  In the present embodiment, the second arm portion 45 is formed by punching one metal plate into a predetermined shape and bending it. And the holding | maintenance part 45c is inserted in the groove part opened to the horizontal direction end surface of the slider main body part 40a which is a resin molding, and is fixed to the slider main body part 40a in this insertion state. As a fixing method, press fitting, adhesion, insert molding, or the like can be employed.

  The spring portion 45a extends from the holding portion 45c toward the distal end surface 20a in the depth direction. That is, in the lateral direction, it extends toward the front end face 20a at a position where it does not contact the circuit board 12. The lock portion 45b extends from the vicinity of the end portion of the spring portion 45a on the distal end surface 20a side to the circuit board 12 side in the lateral direction. In the present embodiment, when the circuit board 12 is inserted / removed, the lock portion 45b is laterally outward from the formation region of the electrode 60 in the circuit board 12 (corresponding insertion in the horizontal direction) so as not to contact the surface of the electrode 60. (Near the hole wall surface 21b).

  The lock portion 45b includes a first side portion 46a having a facing surface 47 that faces the end surface 12a of the circuit board 12 when the circuit board 12 is inserted (see FIG. 20B described later), The lock part 45b has a second side part 46b extending from the end part in the depth direction in the side part 46a to the side where the lock part 45b is displaced in the height direction when the circuit board 12 is pulled out. In the present embodiment, the first side portion 46a and the second side portion 46b are substantially L-shaped so as to form a substantially vertical positional relationship. Further, the corner 46c between the first side 46a and the second side 46b has a rounded shape as shown in FIG.

  The guide portion 71a is provided on the side of the distal end surface 20a with respect to the spring portion 45a in the state where the board is completed so as to face the spring portion 45a in the depth direction on the wall surface 21b of the insertion hole in the horizontal direction in the housing 20. And the taper shape which has approached the insertion hole wall surface 21a of the height direction which opposes the one surface 12b of the circuit board 12 is comprised, so that the opposing surface with the spring part 45a is near the front end surface 20a in the depth direction. Note that the one surface 12 b of the circuit board 12 may be any of both surfaces of the circuit board 12, and refers to the surface on which the second arm portion 45 is placed when the circuit board 12 is inserted and removed.

  In the present embodiment, of the groove portions 71 provided in the lateral insertion hole wall surface 21b in the housing 20, the groove wall surface on the distal end surface 20a side in the depth direction is a surface facing the spring portion 45a in the guide portion 71a. Yes. In the lateral direction, a part of the second arm portion 45 (mainly the spring portion 45a) is disposed in the groove 71.

  In the present embodiment, the slider 40 positioning means is provided together with the slider 40 return means. That is, the slider 40 has the first arm portion 43 together with the second arm portion 45. Moreover, the 1st arm part 43 and the 2nd arm part 45 are integrally formed using the same material. Specifically, as shown in FIG. 18, the spring portion 43a of the first arm portion 43 extends from the middle of the spring portion 45a of the second arm portion 45 exposed from the slider main body portion 40a. And a protruding item | line is provided in a part of spring part 43a, and this protruding item | line part becomes the lock part 43b.

  Further, the spring portion 45a of the second arm portion 45 has a plate thickness direction of the metal plate along the height direction, and the spring portion 43a of the first arm portion 43 has a plate thickness direction of the metal plate in the lateral direction. It has become. Accordingly, the spring portion 45a of the second arm portion 45 can be elastically deformed in the height direction, and the spring portion 43a of the first arm portion 43 can be elastically deformed in the lateral direction.

  Next, an insertion operation and a drawing operation of the circuit board 12 with respect to the card edge connector 11 will be described with reference to FIGS. 20 to 24 are diagrams for explaining the insertion operation, and FIGS. 25 to 28 are diagrams for explaining the extraction operation. 20A is a partial cross-sectional view corresponding to FIG. 17, and shows a part relating to the return means among the positioning means and the return means of the slider 40, and FIG. It is sectional drawing which follows the XXb-XXb line | wire, Comprising: The figure which shows a thing regarding a return means, (c) is a fragmentary sectional view corresponding to FIG. 17, Comprising: Positioning means among the positioning means and return means of the slider 40 The figure which shows the thing regarding (d) is sectional drawing which follows the XXd-XXd line | wire of (a). (A)-(d) has shown the same timing. The other FIGS. 21 to 28 are the same as FIG.

  20A to 20D show a state until the circuit board 12 comes into contact with the lock part 45b of the second arm part 45 when the circuit board 12 is inserted into the insertion hole 21. FIG.

  In this state, as shown in FIG. 20 (d), the contact portion 33 of each terminal 30 is supported on the support surface 41a of the slider main body portion 40a, the protruding portion 32 is expanded, and the contact portion 31 is connected to the circuit board 12. The position is away from the corresponding electrode forming surface. On the other hand, the slider main body 40a receives a reaction force of spring deformation of the protrusion 32. Further, as shown in FIG. 20C, the lock portion 43 b of the first arm portion 43 is fitted in the first-stage through hole 28 a provided in the housing 20. In the present embodiment, the slider main body 40a is held at the initial position by the reaction force of the spring deformation of the protrusion 32 and the fitting of the through hole 28a of the lock portion 43b.

  The second arm portion 45 is positioned with the tip of the spring portion 45 a contacting the guide portion 71 a of the housing 20 in a state where the slider main body portion 40 a is held at the initial position. In this positioning state, the spring portion 45a is disposed away from the imaginary line CL passing through the center of the insertion hole 21 in the height direction as it moves away from the slider main body portion 40a (as it approaches the distal end surface 20a). In addition, the first side 46a of the lock 45b has an insertion hole 21 in the height direction as the surface 47 opposite to the direction in which the second side 46b extends from the first side 46a is further away from the slider body 40a. It is arranged away from an imaginary line CL that passes through the center of. And it inclines with respect to the depth direction so that the end surface 12a of the circuit board 12 inserted from the front end surface 20a may be opposed. As described above, the opposed surface 47 facing the end surface 12a of the circuit board 12 is closer to the distal end surface 20a in the depth direction, and the insertion hole wall surface 21a of the portion of the storage space 24 where the second arm portion 45 is disposed. It is arranged to approach. Further, the facing surface 47 of the first side portion 46 a extends over the one surface 12 b with the end portion on the front end surface 20 a side of the housing 20 on the one surface 12 b of the circuit board 12.

  Further, the second side portion 46b of the lock portion 45b is a surface on the back side in the depth direction, and is fitted on the notch portion 61 of the circuit board 12 and is located on the back side in the depth direction of the notch portion 61. The facing surface 48 that faces the wall surface is arranged so as to approach the virtual line CL passing through the center of the insertion hole 21 in the height direction as the distance from the slider main body 40a increases. And it inclines with respect to the depth direction. Thus, the opposing surface 48 of the second side portion 46b is located on the far side in the depth direction and closer to the first side portion 46a as it is closer to the end opposite to the first side portion 46a in the depth direction. The end portion of the circuit board 12 is on one surface 12b of the circuit board 12 and straddles the one surface 12b.

  21A to 21D show a state in which when the circuit board 12 is inserted, the circuit board 12 comes into contact with the lock part 45b of the second arm part 45, and the lock part 45b is placed on one surface of the circuit board 12. Indicates.

  In this state, since the slider main body 40a is not pushed by the circuit board 12, the terminal 30, the slider main body 40a, and the first arm 43 are not changed.

  On the other hand, as described above, the lock portion 45b of the second arm portion 45 is disposed such that the facing surface 47 of the first side portion 46a is inclined with respect to the depth direction (in other words, the one surface 12b of the circuit board 12). . For this reason, when the corner part of the end surface 12a of the circuit board 12 contacts the opposing surface 47 of the lock part 45b and the lock part 45b receives a force in the depth direction, the spring part 45a is pushed and expanded in the height direction. Then, the lock portion 45 b is placed on the one surface 12 b of the circuit board 12. That is, the tip of the spring portion 45 a and the lock portion 45 b approach the insertion hole wall surface 21 a that faces the one surface 12 b of the circuit board 12. The spring portion 45a rotates around the holding portion 45c held by the slider main body portion 40a in accordance with the displacement of the lock portion 45b, and its tip is separated from the guide portion 71a.

  22 (a) to 22 (d) show a state immediately after the circuit board 12 contacts the slider main body 40a when the circuit board 12 is inserted, that is, the lock part 45b fits into the notch 61. Shows the state before full.

  The lock portion 45 b of the second arm portion 45 is displaced while being in contact with the one surface 12 b of the circuit board 12 until it fits into the notch portion 61. When the circuit board 12 (end surface 12a) comes into contact with the slider body 40a, the circuit board 12 (end surface 12a) tries to fit into the notch 61. However, since the tip of the spring part 45a contacts the guide part 71a, not all of the lock part 45b is arranged in the notch part 61 at this point.

  23 (a) to 23 (d), when the circuit board 12 is inserted, the circuit board 12 is displaced while pushing the slider main body 40a in the depth direction, and the lock part 45b of the second arm part 45 is cut. The state which fits in the notch part 61 is shown.

  Exceeding the force that holds the slider body 40a in the initial position (in this embodiment, the reaction force of the spring deformation of the protrusion 32 and the fitting force of the through hole 28a of the lock portion 43b), the slider body 40a is removed from the circuit board 12. When the force is received, the slider body 40a is also displaced in the depth direction along with the circuit board 12.

  At this time, the first arm portion 43 and the second arm portion 45 are also displaced together with the slider main body portion 40a. Accordingly, as shown in FIG. 23C, the lock portion 43b of the first arm portion 43 is disengaged from the through hole 28a while the spring portion 43a is elastically deformed in the lateral direction. Further, along with the displacement of the slider main body 40a, the tip of the spring portion 45a is displaced in the direction approaching the imaginary line CL along the inclination of the guide portion 71a, whereby the lock portion 45b is fitted into the notch portion 61.

  Further, as shown in the first embodiment, the contact of the contact portion 33 with respect to the support surface 41 a of the slider 40 is gradually reduced, and the contact portion 31 of the terminal 30 gradually approaches the electrode formation surface of the circuit board 12. In the present embodiment, when the lock portion 45 b of the second arm portion 45 is fitted into the notch portion 61, the contact portion 31 contacts the electrode forming surface of the circuit board 12, specifically the end portion of the electrode 60. It has become.

  24A to 24D show a state where the insertion of the circuit board 12 is completed.

  When the circuit board 12 is further pushed in from the state of FIG. 23, the first arm portion 43 and the second arm portion 45 are displaced together with the slider main body portion 40a. Then, as shown in FIG. 24C, the lock portion 43b of the first arm portion 43 is fitted into the second-stage through hole 28b, and the slider main body portion 40a is locked at the substrate insertion completion position. On the other hand, as shown in FIG. 24B, the tip of the spring portion 45a moves away from the guide portion 71a with the displacement of the slider main body portion 40a.

  Further, as the slider body 40a is displaced in the depth direction, the contact portion 33 of the terminal 30 is completely detached from the slider 40 as shown in FIG. Then, the contact portion 31 of the terminal 30 wipes the surface of the electrode 60, and the board insertion is completed in a state where the contact portion 31 of the terminal 30 is positioned substantially at the center of the electrode 60.

  FIGS. 25A to 25D show a state immediately after the tip of the spring portion 45a of the second arm portion 45 comes into contact with the guide portion 71a when the circuit board 12 is pulled out.

  When the circuit board 12 is pulled out from the board insertion completion state, the rear side end part (opposing surface 48 of the second side part 46b) of the lock part 45b of the second arm part 45 is located at the back side of the notch part 61 in the circuit board 12. The slider main body 40a is displaced together with the circuit board 12 while being pushed by the wall surface and pulled by the second arm portion 45. The second arm portion 45 receives external force only from the circuit board 12 until the spring portion 45a contacts the guide portion 71a. Therefore, as shown in FIG. 25B, the spring portion 45a extends in the depth direction until the moment when the spring portion 45a contacts the guide portion 71a.

  On the other hand, the first arm portion 43 is displaced together with the slider main body portion 40a. Accordingly, as shown in FIG. 25C, the lock portion 43b of the first arm portion 43 is disengaged from the through hole 28b while the spring portion 43a is elastically deformed in the lateral direction.

  Further, the protruding portion 32 of the terminal 30 has the above-described taper shape, and the tip thereof is open from the end on the tip surface side of the slider main body 40a. Therefore, as shown in FIG. 25 (d), when the slider main body 40 a is displaced, the end of the slider main body 40 a on the front end face side is pulled into the front end of the protrusion 32. At this point, as in FIG. 23 (d), the contact portion 31 of the terminal 30 is in contact with the end portion of the electrode 60, in other words, on the verge of coming off from the corresponding electrode forming surface of the circuit board 12.

  FIGS. 26A to 26D show that when the circuit board 12 is pulled out, immediately after the lock portion 43b of the first arm portion 43 is fitted into the first-stage through hole 28a, that is, the slider main body portion 40a is in the initial position. The state immediately after becoming.

  When the circuit board 12 is further pulled out from the state in which the tip of the spring portion 45a of the second arm portion 45 is in contact with the guide portion 71a, the spring portion 45a is moved along the inclination of the guide portion 71a as shown in FIG. The tip is displaced upward, that is, toward the insertion hole wall surface 21 a facing the one surface 12 b of the circuit board 12. As a result, the lock portion 45 b is displaced in a direction in which the lock portion 45 b is detached from the notch portion 61. In the state of the initial position shown in FIG. 26B, as in FIG. 20B, the facing surface 47 of the first side portion 46a is inclined with respect to the depth direction so as to face the end surface 12a of the circuit board 12. The circuit board 12 straddles the one surface 12b.

  Further, the protruding portion 32 of the terminal 30 is expanded in accordance with the displacement of the slider main body portion 40a while the contact portion 33 is supported by the support surface 41a. At this time, as shown in FIG. 26 (d), the entire contact portion 33 is supported by the support surface 41 a of the slider body 40 a, and the contact portion 31 of the terminal 30 extends from the corresponding electrode formation surface of the circuit board 12. is seperated.

  27A to 27D show a state in which the lock portion 45b of the second arm portion 45 is placed on the one surface 12b of the circuit board 12 when the circuit board 12 is pulled out.

  In the state shown in FIG. 26, the second side portion 46b of the lock portion 45b is located at the center of the insertion hole 21 in the height direction as the facing surface 48 is further away from the slider body portion 40a (closer to the distal end surface 20a). It is arranged to approach the virtual line CL that passes. That is, the opposing surface 48 of the second side 46b is inclined with respect to the depth direction. Further, the facing surface 48 of the second side portion 46 b straddles the one surface 12 b of the circuit board 12. Therefore, when the circuit board 12 is further pulled out, as shown in FIG. 27B, the spring portion 45a is expanded by the circuit board 12 (elastically deformed in the height direction), and the lock portion 45b is formed in the circuit board 12. On one side 12b.

  It should be noted that the slider body 40 a is in the initial position in the state of FIG. 26 and does not change with the first arm 43. Further, the terminal 30 is not changed.

  28A to 28D show a state where the circuit board 12 has passed through the second arm portion 45 and has been pulled out.

  The lock portion 45b of the second arm portion 45 contacts the one surface 12b of the circuit board 12 until the circuit board 12 passes. As shown in FIG. 28B, when the circuit board 12 passes through the lock part 45b of the second arm part 45 and the circuit board 12 supporting the lock part 45b disappears, the spring part 45a releases the elastic deformation energy. The tip of the spring part 45a is displaced to a position where it contacts the guide part 71a. That is, the state shown in FIG. 20 is obtained when the circuit board 12 is pulled out.

  Thus, in this embodiment, when the circuit board 12 is pulled out from the insertion hole 21 by the above-described return means, the slider 40 (slider body 40a) can be returned to the initial position as the circuit board 12 is displaced. it can. When the slider main body 40a is displaced as the circuit board 12 is pulled out, the contact portion 33 is supported in a state where the projecting portion 32 is expanded by the slider main body 40a, and the contact portion 31 corresponds to the corresponding electrode of the circuit board 12. The position is away from the forming surface. In this way, the circuit board 12 can be repeatedly inserted into and removed from the card edge connector 11.

  Further, since the contact portion 33 of the terminal 30 is supported on the support surface 41a of the slider main body 40a when the circuit board 12 is pulled out, the contact portion 31 of the terminal 30 is prevented from contacting the circuit board 12. Can do. And the electrical connection reliability can be further improved by suppressing the short circuit due to the peeling of the plating on the surface of the terminal, the deformation of the terminal 30 or the peeling of the plating scraps.

(Modification)
In this embodiment, the example provided with a positioning means with a return means was shown. However, the configuration may be such that only the return means is provided without the positioning means.

  In this embodiment, the example of the L-shaped lock part 45b which has the 1st edge part 46a and the 2nd edge part 46b was shown. However, as shown in FIG. 29, for example, the lock portion 45b has a third side portion 46d that extends from the end of the second side portion 46b opposite to the first side portion 46a and faces the first side portion 46a. May be.

  In the case of the L-shaped lock part 45b, when the circuit board 12 is pulled out, the end of the second side part 46b opposite to the first side part 46a is formed on the circuit board 12 as shown in FIG. It is also conceivable that the notch 61 is caught on the wall surface on the back side in the depth direction. In this case, in order to remove the lock part 45b from the notch part 61, the force larger than usual is required. On the other hand, as shown in FIG. 29, when the lock portion 45b having the folded side structure including the third side portion 46d is employed, the lock portion 45b is pulled along with the withdrawal of the circuit board 12, as shown in FIG. Can be smoothly removed from the notch 61. In the example shown in FIG. 30A, the corner 46e between the second side 46b and the third side 46d has a rounded shape, so that it can be easily removed from the notch 61. Yes.

  In the present embodiment, an example in which a part of the wall surface of the groove portion 71 provided in the lateral insertion hole wall surface 21b in the housing 20 is the guide portion 71a is shown. However, for example, as shown in FIGS. 31A and 31B, a protrusion 72 provided on the insertion hole wall surface 21b of the housing 20 may be used as a guide portion.

  Further, as shown in the first embodiment (see FIG. 10), when the bottom surfaces of the plurality of groove portions 42 provided in the slider main body portion 40a corresponding to the contact portions 33 are the support surfaces 41a, the circuit board 12 is provided. When pulling out, the contact portions 33 of the terminals 30 placed on the slider main body 40a are brought into contact with each other between the adjacent terminals 30 in the lateral direction, thereby preventing the peeling of the plating layer and the deformation of the terminals 30. can do.

  The second arm portion 45 having the L-shaped lock portion 45b is preferably designed to satisfy the following relationship. Here, as shown in FIG. 32, the force F1 required to bend the spring portion 45a in the height direction and the force along the depth direction when the circuit board 12 is inserted by F2 and F2 are used to lock the portion 45b. As a result, the force for pushing the spring portion 45a is F3, the drag force of F3, specifically, the holding force of the slider 40 by the first arm portion 43 is F4. Then, what is necessary is just to set the material of the 2nd arm part 45, width | variety (cross-sectional area), length, the shape of the lock | rock part 45b, etc. so that F2> F1 and F3 <F4 may be satisfy | filled. When F2> F1 is satisfied, it is possible to suppress the bending of the spring portion 45a when the circuit board 12 is inserted, and thereby to allow the lock portion 45b to ride on the one surface 12b of the circuit board 12. Further, by inserting the circuit board 12, the lock portion 43b of the first arm portion 43 can be removed from the first-stage through hole 28a.

  In the present embodiment, the second arm portion 45 has a substantially L-shaped lock portion 45b in which the first side portion 46a and the second side portion 46b are in a substantially vertical positional relationship, and the slider 40 is in the initial position. Thus, the example in which the facing surface 47 of the first side portion 46a is disposed so as to straddle the one surface 12b with the end portion on the front end surface 20a side of the housing 20 on the one surface 12b of the circuit board 12 is shown. Here, in the state where the slider 40 is in the initial position, as shown in FIG. 33, the end portion 46f on the front end surface 20a side of the housing 20 is formed on the insertion hole wall surface 21a in the height direction facing the one surface 12b of the circuit board 12. Of these, it is assumed that the distance from the imaginary line CL passing through the center of the insertion hole 21 is closer to the imaginary line CL than the insertion hole wall surface 21c of the shortest part. In this case, when the center of the circuit board 12 is shifted with respect to the virtual line CL and inserted into the insertion hole 21, the end surface 12a of the circuit board 12 contacts the end 46f of the first side 46a. As the circuit board 12 is inserted, the spring portion 45a is pushed in the depth direction without bending in the height direction, and the terminal 30 is detached from the slider 40 before the circuit board 12 reaches a predetermined position. Is also possible.

  Therefore, as shown in FIG. 34, for example, the first side portion 46a of the lock portion 45b has the insertion hole wall surface 21c at the shortest distance from the imaginary line CL in the state where the slider 40 is in the initial position. It is good to be provided so as to straddle. In other words, the end portion 46f of the first side portion 46a is preferably provided at a position farther from the virtual line CL than the insertion hole wall surface 21c. In the present embodiment, as shown in FIGS. 2 and 11, the insertion hole wall surface 21 a in the height direction is a portion having a predetermined depth from the distal end surface 20 a of the housing 20, and between the terminals 30 in the lateral direction. The part is the insertion hole wall surface 21c.

  With such a configuration, even if the center of the circuit board 12 is shifted from the imaginary line CL and inserted into the insertion hole 21, the end surface 12 a of the circuit board 12 is in contact with the first side portion 46 a of the lock portion 45. It always comes into contact with the facing surface 47. Thus, even when the position of the circuit board 12 varies in the height direction during insertion, the slider 40 can be reliably functioned. In the example shown in FIG. 34, the angle formed by the first side portion 46a and the second side portion 46b is an acute angle. With such a configuration, the physique of the lock portion 45b can be reduced in the depth direction as compared to a configuration in which the first side portion 46a and the second side portion 46b are orthogonal to each other. Thereby, the notch part 61 of the circuit board 12 into which the lock | rock part 45b fits, ie, the mounting prohibition area | region, can be made small.

  As a configuration for downsizing the physique of the lock portion 45b in the depth direction, for example, the configuration shown in FIG. 35 can be adopted. In FIG. 35, the angle formed between the first side portion 46a and the second side portion 46b differs between the end portion on the second side portion 46b side and the end portion on the guide portion 71a side, and the end on the guide portion 71a side. The angle formed by the second side portion 46b is smaller in the portion than in the end portion on the second side portion 46b side. Specifically, the first side portion 46a is bent halfway, and the front end side portion 46a1 is more bent than the bent portion than the rear end side portion 46a2 on the second side portion 46b side. The angle formed with the second side 46b is small. More specifically, the angle formed between the rear end side portion 46a2 and the second side portion 46b is approximately 90 degrees, and the angle formed between the front end side portion 46a1 and the second side portion 46b is an acute angle. With such a configuration, the physique of the lock portion 45b can be reduced in the depth direction as compared to a configuration in which the first side portion 46a and the second side portion 46b are orthogonal to each other. Moreover, the physique of the lock part 45b can be reduced in the depth direction compared with the linear 1st side part 46a. Thereby, the notch part 61 of the circuit board 12, into which the lock part 45b fits, that is, the mounting prohibited area can be further reduced.

  As shown in FIG. 36, the insertion hole in the portion where the distance from the virtual line CL is the shortest in the state where the slider 40 is in the initial position can also be obtained by increasing the length of the first side portion 46a in the lock portion 45b. The wall surface 21c can be provided so that the opposing surface 47 straddles it.

  Further, in this embodiment, as shown in FIGS. 18 and 19, the crank-shaped metal plate is folded back at the spring portion 45a, and the crank tip is bent so that the spring portion 45a and the lock portion 45b are bent. The 2nd arm part 45 provided with these is comprised. However, the configuration of the second arm portion 45 is not limited to the above example. For example, as shown in FIGS. 37 (a) and (b), the second arm portion having a substantially L-shaped lock portion 45b by bending the metal plate into a substantially J shape and bending the tip portion of the J shape. It may be 45. In FIGS. 37A and 37B, the second arm portion 45 having the lock portion 45b shown in FIG. 35 is obtained by further bending.

  In this embodiment, the spring part 45a in the 2nd arm part 45 is provided in the position which does not overlap with the circuit board 12 in the horizontal direction, and the guide part 71a which makes a part of the groove part 71 in the insertion hole wall surface 21b in the horizontal direction. The example provided is shown. However, the return means is not limited to the above example. For example, as shown in FIG. 38, at the position where the cutout portion 61 of the circuit board 12 is formed in the lateral direction, it is provided to extend from the slider body 40a toward the front end surface 20a of the housing 20, and is disposed on the circuit board 12 in the lateral direction. The second arm portion 45 to be used can also be employed. The second arm portion 45 includes a spring portion 45a, a lock portion 45e, and a tip portion 45d. The spring portion 45a is provided so as to be elastically deformable in the height direction, and is disposed on the one surface 12b of the circuit board 12 in a state where the slider main body portion 40a is at the board insertion completion position. The distal end portion 45d is a portion within a predetermined range from the projecting distal end of the second arm portion 45. The closer to the distal end surface 20a of the housing 20 in the depth direction, the higher the insertion hole in the height direction that faces the one surface 12b of the circuit board 12. It has a tapered shape that approaches the wall surface 21a. The lock portion 45e is provided between the tip portion 45d and the spring portion 45a, extends from the spring portion 45a to the circuit board 12 side, and the slider main body portion 40a is in the notch portion 61 in a state where the board is completely inserted. It is the part that fits in. In the example shown in FIGS. 38 to 40, the spring portion 45a has a flat plate shape in which the plate thickness direction is the height direction and the depth direction is the longitudinal direction. A vertical portion 46g bent so as to form an angle of approximately 90 degrees with respect to the spring portion 45a, and a horizontal portion 46h bent so as to form an angle of approximately 90 degrees with respect to the vertical portion 46g; Thus, the lock portion 45e is configured. Further, the tip 45d is bent so as to form an obtuse angle with the horizontal portion 46h.

  On the other hand, the guide portion 73 protrudes from the insertion hole wall surface 21 b into the insertion hole 21 as a part of the housing 20 and is provided on the one surface 12 b of the circuit board 12. Further, in the lateral direction, the cutout portion 61 is formed on the circuit board 12 at the position where the cutout portion 61 is formed, closer to the distal end surface 20 a side of the housing 20 than the second arm portion 45. A surface 73a of the guide portion 73 facing the tip portion 45d has a tapered shape such that the closer to the tip surface 20a of the housing 20 in the depth direction, the farther from the one surface 12b of the circuit board 12.

A part of the distal end portion 45d of the second arm portion 45 faces the facing surface 73a of the guide portion 73 when the slider main body portion 40a is in the substrate insertion completion position, as shown in FIG. When the circuit board 12 is pulled out, the vertical portion 46g of the lock portion 45e is pushed against the wall surface on the far side in the depth direction of the cutout portion 61. For this reason, the slider body 40a is also displaced together with the circuit board 12. When the circuit board 12 is further pulled out in a state where the tip 45d is in contact with the opposing surface 73a of the guide 73, the spring 45a is bent in the height direction, and the tip 45d is along the tapered guide 73. To approach the insertion hole wall surface 21a (not shown). Thereby, as shown in FIG. 40, the lock portion 45 e rides on the one surface 12 b of the circuit board 12 from the notch portion 61. When the circuit board 12 is completely pulled out, the tip 45d is pressed against the guide 73 by the reaction force of the spring 45a and is held in the housing 20.
The second arm part 45, the guide part 73, and the notch part 61 having such a configuration may be used as the return means. In the case of the above example, the notch is not limited to the one that opens at the end face of the circuit board 12, and for example, a through hole can be adopted.

  Note that the corner portions of the vertical portion 46g and the horizontal portion 46h (hereinafter, referred to as corner portions of the lock portion 45e) in the lock portion 45e of the second arm portion 45 are one surface 12b of the circuit board 12 until the circuit board 12 passes through. To touch. When the circuit board 12 passes through the lock part 45e of the second arm part 45 and there is no circuit board 12 supporting the lock part 45e, the spring part 45a releases the elastic deformation energy and the corner part of the lock part 45e is high. The tip portion 45 d is pressed against the guide portion 73 and held in the housing 20 in a state where it is slightly lowered in the vertical direction. In this holding state, the lower surface of the horizontal portion 46h or the distal end portion 45d is closer to the insertion hole wall surface 21a in the height direction facing the one surface 12b of the circuit board 12 as it is closer to the distal end surface 20a of the housing 20 in the depth direction. Inclined. Therefore, when the circuit board 12 is inserted, the end surface 12a of the circuit board 12 comes into contact with the lower surface of the horizontal portion 46h or the tip portion 45d, whereby the spring portion 45a is bent and lifted upward, and the corner portion of the lock portion 45e. Will rub the surface 12b of the circuit board 12.

  In the present embodiment, the second arm portion 45 of the slider 40, the guide portions 71 a and 73 of the housing 20, and the cutout portion 61 provided on the circuit board 12 are shown as the return means. However, the return means is not limited to the above example. For example, as a part of the waterproof member 22, a protrusion provided so as to be elastically deformable, a spring provided between the waterproof member 22 and the slider main body 40a, or the like may be used as the return means. In this case, the slider main body 40a is held at the initial position by the first arm 43 until the end surface 12a of the circuit board 12 contacts the slider main body 40a. When the circuit board 12 is pushed, the return means such as a spring is elastically deformed (spring-deformed) with the displacement of the slider main body 40a, and the first arm 43 causes the slider main body 40a to move to the board insertion completion position. Become. Further, when the circuit board 12 is pulled out, the return means releases the reaction force due to elastic deformation, the slider main body 40a is in the initial position, the reaction force is completely released, or the first arm portion 43. It will be in the state which has the reaction force of the grade which can be hold | maintained by.

  The preferred embodiments of the present invention have been described above. However, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the spirit of the present invention.

  In the present embodiment, 1) the circuit board 12 has the electrodes 60 on both sides, and 2) the slider 40 (slider body 40a) has taper-like support surfaces 41a on both sides in the height direction. Indicated. However, the electrode 60 may be provided only on one surface of the circuit board 12, and the slider 40 (slider body 40a) may have a tapered support surface 41a only on the electrode forming surface side. In this case, in order to fix the circuit board 12, the other surface side of the circuit board 12 may be supported by a support portion provided integrally with the housing 20. The same applies to the positioning of the slider 40.

  Further, in the present embodiment, the terminals 30 are provided in multiple stages (two stages in FIG. 2) on the housing 20 on one surface side of the circuit board 12, and the electrodes 60 of the circuit board 12 are arranged in FIGS. As shown in b), an example of a so-called staggered arrangement in which the positions are shifted in two rows in the depth direction and in the horizontal direction is shown. However, the relationship between the terminal 30 and the electrode 60 is not limited to the above example. For example, the electrodes 60 may be arranged in a row by reducing the pitch between the electrodes while providing the terminals 30 in multiple stages.

DESCRIPTION OF SYMBOLS 10 ... Electronic device 11 ... Card edge connector 12 ... Circuit board 20 ... Housing 21 ... Insertion hole 28, 28a, 28b ... Through-hole 30 ... Terminal 31 ... Contact Part 32 ... Projection part 33 ... Contact part 40 ... Slider 40a ... Slider main body part 41a ... Support surface 43 ... First arm part 45 ... Second arm part 60, 60a , 60b ... electrode 71 ... groove 71a ... guide part

Claims (16)

A circuit board provided with a plurality of electrodes on at least one of the two surfaces at the end; and
An electronic device having a card edge connector for electrically connecting an electrode of the circuit board and a harness drawn to the outside by inserting an end of the circuit board,
The card edge connector is
A housing that has an insertion hole that is open at a distal end surface and into which an end of the circuit board is inserted;
A spring-deformable member that is held by the housing and electrically connects the electrode and the harness, and includes a contact portion that comes into contact with the electrode, and from the holding portion held by the housing into the insertion hole. The insertion hole has a protruding portion extending toward the depth side opposite to the tip end surface, and the protruding portion corresponds to the depth direction and the thickness direction of the circuit board. A plurality of terminals arranged along a lateral direction perpendicular to both of the height directions of
A slider disposed in the insertion hole so as to be displaceable in the depth direction by receiving an external force, and
The terminal has a contact portion that is supported in contact with the slider on the deeper side in the depth direction than the contact portion in the protrusion,
The slider is disposed on the back side in the depth direction with respect to each contact portion, and is pushed by the circuit board as the circuit board is inserted into the insertion hole, before the circuit board is inserted. From the initial position to the board insertion completion position where the contact portion contacts the electrode and the insertion of the circuit board is completed, it is displaced to the back in the depth direction,
In the initial position, the contact portion is supported in a state where the protruding portion is expanded by the slider, and the contact portion is located away from the corresponding electrode formation surface of the circuit board.
In the board insertion completion position, the contact portion of the terminal is completely detached from the slider, and the terminal gives a reaction force due to spring deformation to the circuit board through the contact portion that contacts the electrode,
The projecting portion has a tapered shape in which a portion from the tip end to the contact portion side end portion of the contact portion is separated from the electrode forming surface in the height direction as being closer to the tip end of the projecting portion, and the slider In a state in which the tip of the protrusion is completely removed from the electrode forming surface, the tip of the protruding portion is further away from the electrode forming surface than the end on the tip surface side of the contact portion supporting surface of the slider in the height direction.
An electronic apparatus comprising: return means for returning the slider to an initial position in accordance with displacement of the circuit board when the circuit board is pulled out from the insertion hole. The return means includes
A notch provided at a lateral end of the circuit board;
A spring part that protrudes from the slider and extends in the lateral direction at a position that does not contact the circuit board and extends elastically in the height direction, and extends from the spring part to the circuit board side. An arm portion having a lock portion that fits into the notch portion in a state where the slider is in a substrate insertion completion position;
A guide portion provided on the distal surface side of the housing with respect to the spring portion on the wall surface of the insertion hole in the lateral direction so as to face the spring portion in the depth direction;
The surface of the guide portion facing the spring portion has a tapered shape such that the closer to the front end surface of the housing in the depth direction, the closer to the wall surface of the insertion hole in the height direction facing the one surface of the circuit board. ,
When the circuit board is pulled out, the lock portion is pushed by the wall surface on the back side in the depth direction of the notch, and the slider is also displaced together with the circuit board.
When the circuit board is further pulled out in a state where the tip of the spring part is in contact with the guide part, the tip of the spring part is tapered so that the lock part is released from the notch part onto one surface of the circuit board. Approach the insertion hole wall surface in the height direction along the guide portion of the shape,
Before the lock portion is placed on one surface of the circuit board, the slider is in an initial position in a state where the tip of the spring portion is in contact with the guide portion, and in the state of the initial position, the circuit board is in the lock portion. When the insertion surface is inserted, the opposing surface facing the end surface of the circuit board is closer to the wall surface of the insertion hole in the height direction as it is closer to the front end surface of the housing in the depth direction, and on the front end surface side of the housing An end portion is disposed on one surface of the circuit board so as to straddle the one surface,
When the circuit board is further pulled out with the one surface of the circuit board straddling the opposite surface of the lock part, the spring part is expanded by the circuit board so that the lock part is placed on one surface of the circuit board. And
2. The electronic device according to claim 1, wherein when the circuit board passes through the lock part, the circuit board returns to a state where an opposite surface of the lock part straddles one surface of the circuit board and is held in the state. The guide portion is a wall surface on the front end surface side of the housing in the depth direction among the groove portions provided on the wall surface of the insertion hole in the lateral direction in the housing,
The electronic device according to claim 2, wherein a part of the arm portion is disposed in the groove.   The electronic device according to claim 2, wherein the guide portion is a protrusion provided on a wall surface of the insertion hole in the lateral direction in the housing.   The lock portion includes a first side portion having the facing surface and an end portion in the depth direction of the first side portion on a side where the lock portion is displaced in the height direction when the circuit board is pulled out. The electronic device according to claim 2, further comprising a second side portion extending.   In a state where the facing surface of the first side portion is disposed so as to straddle one surface of the circuit board, a surface facing the wall surface on the back side in the depth direction of the notch portion in the second side portion is the first side. The closer to the end opposite the one side, the deeper the position in the depth direction, and the more the end opposite to the first side is located on one side of the circuit board. The electronic device according to claim 5, wherein   The first side portion of the lock portion is an insertion hole wall surface of a portion having the shortest distance from the center of the insertion hole in the height direction among the insertion hole wall surfaces in the height direction with the slider being in an initial position. The electronic device according to claim 6, wherein a wall surface facing one surface of the circuit board is provided so that the facing surface of the first side portion straddles the wall surface.   The angle formed between the first side portion and the second side portion is different between the end portion on the second side portion side and the end portion on the guide portion side, and the end portion on the guide portion side is more The electronic device according to claim 7, wherein an angle formed with the second side portion is smaller than an end portion on the second side portion side.   The electronic device according to claim 7, wherein the first side portion has an acute angle with the second side portion.   The said lock | rock part has the 3rd side part extended from the edge part opposite to the said 1st side part in the said 2nd side part, and having opposed the said 1st side part. The electronic device according to item 1. The return means includes
A notch provided at a lateral end of the circuit board;
An arm portion provided to extend from the slider to the front end surface side of the housing at a notch forming position of the circuit board in the lateral direction;
As a part of the housing, it protrudes from the wall surface of the insertion hole into the insertion hole, and is provided on the front end surface side of the housing with respect to the arm portion at the formation position of the notch portion of the circuit board in the lateral direction. A guide portion disposed on one surface,
The arm portion is provided so as to be elastically deformable in a height direction, and the slider is provided in a predetermined range from a projecting tip with a spring portion disposed on one surface of the circuit board in a state where the board is inserted. The closer to the front end surface of the housing in the depth direction, the closer to the insertion hole wall surface in the height direction facing the one surface of the circuit board, and the tip portion and the spring portion between the front end portion and the spring portion A lock portion that extends from the spring portion toward the circuit board side and that fits into the notch portion when the slider is in a board insertion completion position.
The facing surface of the guide portion facing the tip portion has a tapered shape such that the closer to the tip surface of the housing in the depth direction, the farther from the one surface of the circuit board,
A part of the tip portion of the arm portion faces the opposing surface of the guide portion in a state where the slider is in a substrate insertion completion position,
When the circuit board is pulled out, the lock portion is pushed by the wall surface on the back side in the depth direction of the notch, and the slider is also displaced together with the circuit board.
When the circuit board is further pulled out in a state where the tip portion is in contact with the opposing surface of the guide portion, the tip portion is bent along the tapered guide portion while the spring portion is bent in the height direction. 2. The electronic device according to claim 1, wherein the electronic device approaches a wall surface of the insertion hole in a vertical direction, and the lock portion rides on one surface of the circuit board from the notch portion. The electrode is provided on one surface of the circuit board,
The electronic device according to any one of claims 2 to 11, wherein the lock portion is positioned laterally outward from the electrode formation region on one surface of the circuit board. The housing including the slider and the terminal has one convex portion provided so as to be elastically deformable, and the other has a concave portion that fits the convex portion,
The recess is provided in two steps along the depth direction,
When the slider is in the initial position, the convex portion is fitted in the first concave portion close to the tip surface in the depth direction, and when the slider is in the substrate insertion completion position, the convex portion is in the depth direction. The electronic device according to claim 1, wherein the electronic device is fitted in the concave portion on the second stage on the back side. The slider has a main body portion provided with a contact portion supporting surface, and the convex portion protruding from the main body portion and provided elastically deformable,
The electronic device according to claim 13, wherein the housing has the concave portion that opens in a wall surface of the insertion hole.   The electronic device according to claim 1, wherein the slider has a plurality of groove portions provided on the contact portion support surface corresponding to the contact portions. The electrodes are provided on both sides of the circuit board,
The plurality of terminals include: a terminal protruding from the wall surface of the insertion hole facing one surface of the circuit board; and a terminal protruding from the wall surface of the insertion hole facing the surface opposite to the one surface of the circuit board. The electronic device according to any one of claims 1 to 15.

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