JP6377024B2 - Electronics - Google Patents

Description

  The present invention relates to an electronic device that can be attached to and detached from a support rail such as a DIN rail.

  As an aspect of an electronic device that can be attached to and detached from a support rail such as a DIN rail, a device in which a pair of rail fixtures slidable in the width direction of the support rail is attached to a housing of the electronic device is known. Specifically, the pair of rail fixtures has an engaging claw that can engage with the support rail, and slides closer to the support rail to engage the support rail and the engaging claw, The electronic device can be attached to the support rail by sandwiching both sides in the width direction of the support rail. On the other hand, the pair of rail fixtures can be disengaged from the support rail and the engaging claws by sliding away from the support rail, and the electronic device can be removed from the support rail. In this way, the electronic device can be attached to and detached from the support rail.

  Further, as shown in FIG. 15, Patent Document 1 shows that not only the support rail 30 but also the support plate can be attached and detached by providing a screw hole 26 in the rail fixture 20 attached to the housing 10 of the electronic device. Disclosed is an electronic device.

Japanese Patent No. 3759063

  However, it may be difficult to slide the rail fixture and the electronic device may not be easily removed from the support rail. For example, if the electronic device is installed in a place surrounded by a wall and the rail fixture cannot be reached, the rail fixture cannot be slid. Moreover, even if the hand reaches the rail fixing tool, it may be difficult to slide the rail fixing tool because the force cannot be efficiently applied in the desired direction.

  Further, as shown in FIG. 15, the electronic device described in Patent Document 1 is provided with a screw hole 26 in the rail fixture 20. Therefore, a rail tool 20 is inserted by inserting a thin rod-like tool into the screw hole 26. The method of sliding can be considered. However, even when trying to slide the rail fixture 20 using a bar-shaped tool, it is considered that it is difficult to remove the electronic device from the support rail 30 because the force is not efficiently applied in the direction in which it is desired to slide.

  An object of the present invention is to enable an electronic device to be easily detached from a support rail.

  One aspect of the electronic device of the present invention is an electronic device that can be attached to and detached from the support rail by engaging a pair of engaging portions facing each other with the support rail. The electronic device is attached to the housing and the housing. A rail fixture having one of the engagement portions, wherein the rail fixture has a first position where the engagement portion engages with the support rail, and the engagement portion engages with the support rail. A second position that does not match, is slidable with respect to the housing, and is exposed from the housing before and after sliding, and is provided with a gap from the housing. It further has a eaves portion protruding to the housing side.

  Another aspect of the electronic device according to the present invention is an electronic device that can be attached to and detached from the support rail by engaging a pair of opposing engaging portions with the support rail. And a rail fixture having one of the engagement portions, wherein the rail fixture has a first position where the engagement portion engages the support rail, and the engagement portion is the support. A second position that is not engaged with the rail, and is slidable with respect to the housing, and further includes an exposed portion that is exposed from the housing before and after sliding, and a hole formed in the exposed portion. And the housing includes a protrusion protruding in a direction in which the rail fixture slides from the first position to the second position.

  According to the present invention, since the rail fixture can be slid using a part of the housing as a fulcrum, the electronic device can be easily detached from the support rail.

It is a figure which shows the controller which is an electronic device which concerns on Embodiment 1 of this invention. It is a figure which shows the rail fixing tool which concerns on Embodiment 1 and 2 of this invention. It is a figure which shows the method of attaching a controller to a DIN rail. It is a front view of the controller for demonstrating the sliding method 1 which is an example of the method of sliding a rail fixing tool. It is a side view of a controller for demonstrating the sliding method 2 which is an example of the method of sliding a rail fixing tool. It is an expansion front sectional view of a controller for explaining sliding method 2 which is an example of a method of sliding a rail fixture. It is an expansion front sectional view of a controller for explaining sliding method 2 which is an example of a method of sliding a rail fixture. It is an expansion front sectional view of a controller for explaining slide method 3 which is an example of a method of sliding a rail fixture. It is a side view of a controller for demonstrating the sliding method 3 which is an example of the method of sliding a rail fixing tool. It is an expansion front sectional view of a controller for explaining sliding method 4 which is an example of a method of sliding a rail fixture. It is a figure which shows the method of removing a controller from a DIN rail. It is a figure which shows the device which is an electronic device which concerns on Embodiment 2 of this invention. It is a figure which shows the method of attaching a device to a DIN rail. It is a figure which shows the method of removing a device from a DIN rail. It is a figure which shows the conventional electronic device.

(Embodiment 1)
Hereinafter, an electronic apparatus according to Embodiment 1 of the present invention will be described with reference to FIGS. The electronic device 1 according to the present embodiment is a controller that includes a CPU and a storage device and transmits commands to peripheral devices. As shown in FIG. 1, the controller 1 includes a housing 10 and a rail fixture 20.

  The housing 10 has a substantially rectangular parallelepiped shape, and has a front surface 11, a back surface 12, a top surface 13, a bottom surface 14, and a side surface 15. Hereinafter, for the sake of explanation, the direction perpendicular to the side surface 15 is defined as the X direction, the direction perpendicular to the top surface 13 and the bottom surface 14 is defined as the Y direction, and the direction perpendicular to the front surface 11 and the back surface 12 is defined as the Z direction. The bottom surface 14 of the housing 10 is provided with a convex portion 16 that projects downward in the Y direction. Further, an engagement claw 18 is provided on the rear surface 12 of the housing 10, and a rail fixture 20 is attached.

  As shown in FIGS. 1 and 2, the rail fixture 20 includes an engaging portion 21, an exposed portion 22, a long portion 23, and a hole portion 24. Moreover, the rail fixture 20 is slidable in the Y direction, and the engaging portion 21 can be engaged with the DIN rail by sliding the rail fixture 20. Further, the engaging portion 21 faces the engaging claw 18 of the housing 10, and the controller 1 can be attached to the DIN rail by sandwiching the DIN rail between the engaging portion 21 and the engaging claw 18. Here, the position of the rail fixture 20 in the Y direction with respect to the housing 10 in a state where the engaging portion 21 is engaged with the DIN rail is defined as a first position, and the engaging portion 21 is engaged with the DIN rail. The position of the rail fixture 20 in the Y direction with respect to the housing 10 in a state in which it is not defined is defined as the second position.

  The exposed portion 22 is a portion protruding from the housing 10 in the Y direction when viewed from the front surface 11 of the housing 10 before and after the rail fixture 20 slides, that is, a portion exposed from the housing 10. The eaves portion 23 is a portion that is provided in the exposed portion 22 and projects from the exposed portion 22 to the front side in the Z direction with a gap from the housing 10. Further, the gap between the housing 10 and the eaves portion 23 differs depending on whether the rail fixture 20 is at the first position or the second position with respect to the housing 10. The hole 24 is provided in the exposed portion 22 and is formed at a position overlapping the convex portion 16 of the housing 10 when the controller 1 is viewed from the front side when the rail fixture 20 is in the first position.

  Further, it is preferable that a constricted portion 25 is further formed in the exposed portion 22 of the rail fixture 20. Here, the constricted portion 25 is a portion having a length in the X direction that is smaller than the location at the tip of the Y direction at 22. Further, as shown in FIG. 1, it is preferable that a concave ridge portion 17 is provided on the bottom surface 14 of the housing 10 on the front side in the Z direction. These reasons will be described later. Further, an external connection terminal 19 for connecting to a peripheral device may be provided on the side surface 15 of the housing 10. In addition, the code | symbol 26 of FIG. 2 is a screw hole for attaching the controller 1 to a support plate. If the controller 1 is not attached to the support plate, this screw hole may not be provided.

  Next, a method for attaching and detaching the controller and the DIN rail will be described with reference to FIGS. Here, the DIN rail 30 has a U-shaped groove portion 31 and two flange portions 32 formed from the edge of the groove portion 31 toward both outer sides. The DIN rail 30 has a longitudinal direction and a width direction. In a state where the controller 1 is attached to the DIN rail 30, the longitudinal direction of the DIN rail 30 is the X direction and the width direction is the Y direction.

  FIG. 3 is a view for explaining a method of attaching the controller 1 to the DIN rail 30. First, the engaging claw 18 of the housing 10 is engaged with the flange portion 32 of the DIN rail 30 with the controller 1 tilted. At this time, the rail fixture 20 is located at the second position. Thereafter, the controller 1 is rotated with the engaging claw 18 as a fulcrum, thereby bringing the rear surface 12 of the housing 10 into contact with the flange portion 32 of the DIN rail 30. Then, by sliding the rail fixture 20 from the second position to the first position, the engagement portion 21 of the rail fixture 20 is engaged with the flange portion 32 of the DIN rail 30. Thereby, the controller 1 is attached to the DIN rail 30.

Next, a method for removing the controller 1 from the DIN rail 30 will be described. First, the rail fixture 20 of the controller 1 is slid from the first position to the second position. In the present invention, there are four methods of sliding the rail fixture 20 from the first position to the second position, the following sliding methods 1 to 4.
(Slide method 1)
When the hand reaches the rail fixture 20, as shown in FIG. 4, the constricted portion 25 of the rail fixture 20 is grasped with a finger and slid. By providing the neck portion 25 on the rail fixture 20, it becomes easier to grip the rail fixture 20 with a finger than when no neck portion 25 is provided, and by pulling the rail fixture 20 downward in the Y direction. It can be easily slid.
(Slide method 2)
If the hand cannot reach the rail fixture 20 or if it is difficult to slide it by hand, the rail fixture 20 can be slid by the sliding method 2 shown in FIGS. In FIG. 6, the gap when the rail fixture 20 is at the first position is g1, and the gap when the rail fixture 20 is at the second position is g2. In the sliding method 2, the tip 41 of the minus driver 40 is inserted in the gap g1 between the bottom surface 14 of the housing 10 and the eaves 23 of the rail fixture 20 with the tip 41 of the minus driver 40 lying down, and the tip 41 of the minus driver 40 is erected. It is a method of rotating to a state. Thereby, the rail fixture 20 can be easily slid from the first position to the second position. Hereinafter, the mechanism will be described in detail.

  When the tip 41 of the minus driver 40 is rotated while being inserted into the gap g1 in the first position, one end 42 of the tip 41 of the minus driver 40 comes into contact with the bottom surface 14 of the housing 10 and the minus driver 40 The other end 43 of the tip 41 is in contact with the eaves 23 of the rail fixture 20. When the minus driver 40 is further rotated, a force having a lower component in the Y direction is applied to the eaves portion 23 with the bottom surface 14 of the housing 10 as a fulcrum. Thereby, the rail fixture 20 can be easily slid from the first position to the second position.

  Here, it is preferable that the eaves portion 23 has an arch shape that is convex in the direction away from the housing 10, that is, in the Y direction upper side. 6 indicates the force applied to the collar portion when the collar portion 23 has an arch shape. The symbol F ′ in FIG. 7 is applied to the collar portion 23 when the collar portion 23 has a flat shape. Showing power. Since the eaves 23 has an arch shape that is convex in the sliding direction of the rail fixture 20, the force applied to the eaves 23 has a lower component in the Y direction than the flat shape. Therefore, it is possible to efficiently apply force downward in the Y direction, and it is possible to easily slide. Here, when the eaves portion 23 has an arch shape, the gaps g <b> 1 and g <b> 2 indicate the maximum distance between the bottom surface 14 of the housing 10 and the eaves portion 23.

  Next, the dimension of the minus driver 40 used and the dimension of the gap between the bottom surface 14 of the housing 10 and the eaves 23 of the rail fixture 20 will be described. The dimensions of the minus driver 40 are shown in Table 1 below. This is based on Japanese Industrial Standard (JIS).

例えば、マイナスドライバ４０として表１の（Ｄ）を使用する場合、その刃幅ｗは７．０ｍｍ、刃厚ｔは０．９ｍｍとなる。このマイナスドライバ４０を、寝かせた状態、すなわち、刃厚ｔとＹ方向とが平行で、かつ刃幅ｗとＸ方向とが平行な状態で、第１ポジションにおける隙間ｇ１に挿しこむためには、その隙間ｇ１を刃厚０．９ｍｍより大きくする必要がある。ここで、ヒサシ部２３がアーチ形状の場合は、アーチ形状の径やマイナスドライバ４０の刃幅ｗにもよるが、ヒサシ部２３のＸ方向中央近傍の間隙を０．９ｍｍより大きくする必要がある。

For example, when (D) in Table 1 is used as the minus driver 40, the blade width w is 7.0 mm and the blade thickness t is 0.9 mm. In order to insert the minus driver 40 into the gap g1 in the first position with the blade thickness t and the Y direction parallel and the blade width w and the X direction parallel, It is necessary to make the gap g1 larger than the blade thickness of 0.9 mm. Here, when the eaves portion 23 has an arch shape, the gap in the vicinity of the center of the eaves portion 23 in the X direction needs to be larger than 0.9 mm, depending on the diameter of the arch shape and the blade width w of the minus driver 40. .

  In order to slide the rail fixture 20 from the first position to the second position by rotating the minus driver 40 from the state inserted in the gap g1 to the standing state, It is necessary to make the gap g2 smaller than the blade width of 7.0 mm.

  Similarly, when (G) in Table 1 is used as the minus driver 40, the gap g1 at the first position is made larger than the blade thickness 1.2 mm, and the gap g2 at the second position is made smaller than the blade width 10.0 mm. That's fine.

Here, for example, the gap g1 at the first position is 2.5 mm, and the gap g2 at the second position is 6.5 mm. In this case, the gap g1 in the first position is larger than the blade thickness of the minus driver (G) 1.2 mm, and the gap g2 in the second position is smaller than the blade width 7.0 mm of the minus driver (D). Any of the drivers (D) to (G) can be used.
(Slide method 3)
If the hand cannot reach the rail fixture 20 or if it is difficult to slide it by hand, the slide method 3 can be used instead of the slide method 2. As shown in FIGS. 8 and 9, in the sliding method 3, the tip 51 of the precision flathead screwdriver 50 is inserted into the hole 24 provided in the exposed portion of the rail fixture 20 obliquely from below, in this state. In this method, the handle 52 of the precision minus driver 50 is brought closer to the housing 10 side. Here, since the convex portion 16 is provided on the bottom surface 14 of the housing 10 and protrudes in the direction in which the rail fixing tool 20 slides, if the handle portion 52 of the minus driver 50 is brought closer to the housing 10 side, the minus portion is minus. A part of the driver 50 is in contact with the convex portion 16. Accordingly, the hole 24 can be lowered by the lever principle using the convex portion 16 as a fulcrum, and the rail fixture 20 can be slid from the first position to the second position.

  Here, the shape of the hole 24 is preferably a rectangle having the long side in the X direction and the short side in the Y direction. This is because it becomes easier to insert the precision flathead screwdriver 50 into the hole portion 24 with the tip 51 lying down. For example, the long side length of the hole 24 is 5.0 mm, and the short side length is 2.0 mm. However, the size is not limited to this, and any size that allows insertion of the tip 51 of the precision flathead screwdriver 50 is acceptable. Table 2 shows the dimensions of the precision minus driver 50 based on Japanese Industrial Standard (JIS). If the length of the long side of the hole portion 24 is larger than 3.0 mm and the length of the short side of the hole portion 24 is larger than 0.45 mm, (A) to (C) shown in Table 2 Any precision flathead screwdriver can be inserted into the hole 24.

穴部２４及び凸部１６の位置は、レール固定具２０を第１ポジションから第２ポジションにスライドさせるときに、精密マイナスドライバ５０の持ち手部５２が筐体１０の底面１４と接触しないように設計される。仮に、レール固定具２０を第１ポジションから第２ポジションへとスライドさせるときに、精密マイナスドライバ５０の持ち手部分５２が筐体１０の底面１４と接触してしまうと、てこの原理によってレール固定具２０をスライドさせることができなくなってしまうからである。

The positions of the hole portion 24 and the convex portion 16 are set so that the handle portion 52 of the precision minus driver 50 does not contact the bottom surface 14 of the housing 10 when the rail fixture 20 is slid from the first position to the second position. Designed. If the handle portion 52 of the precision flathead screwdriver 50 comes into contact with the bottom surface 14 of the housing 10 when the rail fixture 20 is slid from the first position to the second position, the rail is fixed by the lever principle. This is because the tool 20 cannot be slid.

  Although the specific position of the hole part 24 is not specifically limited, For example, it is provided between the eaves part 23 and the bottom face 14 of the housing | casing 10 in the Y direction. If the hole 24 is provided on the lower side in the Y direction than the eaves 23 in the Y direction, when the rail fixing portion 20 is slid by the lever principle, the tip of the convex portion 16 and the housing 10 are moved in the Y direction. This is because the handle portion 52 of the precision flat-blade screwdriver 50 comes into contact with the bottom surface 14 of the housing 10 unless the distance from the bottom surface 14 (height of the convex portion 16) is increased to a certain extent. On the other hand, if the height of the convex portion 16 is excessively increased, the aesthetic appearance of the controller 1 may be impaired. Therefore, the position of the hole portion 24 is preferably as close to the housing 10 as possible, and is preferably provided between the eaves portion 23 and the housing 10.

The specific position of the convex portion 16 is, for example, such that the distance between the convex portion 16 and the back surface 12 of the housing 10 in the Z direction is 16 mm, and the height of the convex portion 16 is 3.5 mm. Provided. However, the position of the convex portion 16 is not limited to this, and when the rail fixing portion 20 is slid by the lever principle, the handle portion 52 of the precision minus driver 50 does not contact the bottom surface 14 of the housing 10. It may be provided at any position.
(Slide method 4)
In the slide method 2, the method of sliding the rail fixture 20 using the eaves 23 is described. In the slide method 3, the method of sliding the rail fixture 20 using the hole 24 and the convex portion 16 has been described. In the slide method 4, as shown in FIG. 10, a method of sliding the rail fixing tool 20 using the eaves portion 23 and the convex portion 16 will be described.

  In the slide method 4, a minus driver is used to insert the tip 41 of the minus driver into the gap g <b> 2 between the bottom surface 14 of the housing 10 and the eaves portion 23. Thereafter, the handle portion of the minus driver is brought closer to the housing 10 in this state. As a result, with the convex portion 16 (see FIG. 8 etc.) of the housing 10 as a fulcrum, the lever portion 23 is lowered by the lever principle to slide the rail fixture 20 from the first position to the second position. it can.

  The sliding method 4 is the same as the sliding method 2 until the minus driver is inserted into the gap g2 at the second position, but the sliding method 2 is rotated after the insertion, whereas the sliding method 4 is performed after the insertion. The difference is in the use of the lever principle.

  The sliding method 4 is the same as the sliding method 3 in that the rail fixture 20 is slid on the principle of the lever with the convex portion 16 of the housing 10 as a fulcrum, but in the sliding method 3, the hole 24 is precisely minus. Whereas the driver 50 is inserted, the sliding method 4 is different in that it is inserted into the gap g2 between the housing 10 and the eaves part 23.

  The rail fixture 20 can be slid from the first position to the second position by any one of the sliding methods 1 to 4 described above. After the rail fixture 20 is slid, as shown in FIG. 11, the controller 1 is rotated with the engaging claw 18 as a fulcrum, and then the engaging claw 18 and the flange portion 32 of the DIN rail 30 are disengaged. As a result, the controller 1 can be removed from the DIN rail 30. Here, when the knob portion 17 is provided on the bottom surface 14 of the housing 10, when rotating the controller 1, the controller 1 is stably held by holding the controller 1 by holding the knob portion 17 with a finger. It can be removed from the rail 30.

  According to the controller 1 which concerns on this Embodiment, even when it is a case where a hand cannot reach the rail fixing tool 20, or when it is difficult to slide the rail fixing tool 20, it depends on any of the sliding methods 2-4. The controller 1 can be detached from the DIN rail 30 by sliding from the first position to the second position. Details will be described below.

  In a conventional electronic device, as a method of sliding the rail fixture from the first position to the second position, it is common to directly grab the rail fixture with a finger and pull it. Therefore, it has been a problem when the hand cannot reach the rail fixture or when it is difficult to slide the rail fixture by hand.

  Further, in the electronic device described in Patent Document 1, since a screw hole is provided in the rail fixture, the rail is lowered by lowering the rod-like tool in a state where a thin rod-like tool is inserted into the screw hole. A method of sliding the fixture is conceivable. However, in such a method, since the rail fixture is slid without using the housing as a fulcrum, it is difficult to efficiently apply force in the Y direction, and it is difficult to slide the rail fixture. .

  In this regard, in the present embodiment, when the above-described sliding method 2 is employed, as shown in FIGS. 5 and 6, the one end 42 of the minus driver 40 and the bottom surface 14 of the housing 10 are in contact with each other. The bottom surface 14 of the housing 10 serves as a fulcrum for the slide. Moreover, in the slide methods 3 and 4 mentioned above, as shown in FIGS. 8-10, the convex part 16 of the housing | casing 10 becomes a fulcrum of a slide. Accordingly, in any of the sliding methods 2 to 4, a part of the housing 10 serves as a fulcrum when the rail fixture 20 is slid. Then, by sliding the rail fixture 20 with a part of the housing 10 as a fulcrum, it is possible to efficiently apply a force in the Y direction, so that the rail fixture 20 can be easily slid. The controller 1 can be easily detached from the DIN rail.

  In addition, in the controller 1 which concerns on Embodiment 1, the convex part 16 and the knob part 17 are provided in the bottom face 14 of the housing | casing 10, and the exposed part 22 of the rail fixing tool 20 is a part which protrudes below a Y direction. As stated, this is not a limitation. For example, the upper and lower portions may be reversed so that the convex portion 16 and the ridge portion 17 are provided on the upper surface 13 of the housing 10 and the exposed portion 22 protrudes upward in the Y direction.

  The means for sliding the rail fixture 20 relative to the housing 10 is not particularly limited. For example, the track portion 60 (see FIGS. 1 and 3) is attached to the back surface 12 of the housing 10, two locking holes (not shown) are provided, and the locking piece 27 (see FIG. 2). The track portion 60 clamps the rail fixture 20 so that the rail fixture 20 can move only in the Y direction, that is, by restricting movement in directions other than the Y direction. The two locking holes are arranged in the Y direction at the center of the line portion 60. The locking piece 27 of the rail fixture 20 is configured such that its tip is fitted into one of the two locking holes provided in the back surface 12 of the housing 10. Then, depending on which of the two locking pieces the tip of the locking piece 27 is fitted into, it is determined whether the rail fixture 20 is in the first position or the second position. On the contrary, a locking piece may be provided on the back surface 12 of the housing 10, and two locking holes may be provided in the rail fixture 20. Moreover, two locking pieces and one locking hole may be sufficient. Further, the line portion 60 may be formed integrally with the housing 10.

  Further, the rail fixture 20 may be configured by a fixed portion that is fixed to the housing 10 and a movable portion that is slidable with respect to the fixed portion. In this case, the entire rail fixture 20 does not slide relative to the housing 10, but only a part of the rail fixture 20, that is, the movable portion, slides. Further, since the engaging portion of the rail fixture needs to be engaged with or disengaged from the DIN rail, it needs to be formed not on the fixed portion but on the movable portion.

In the first embodiment, the aspect in which the engaging claw 18 is provided on the back surface 12 of the housing 10 is described. However, the present invention is not limited to this, and any shape that engages with the DIN rail 30 is not limited. .
(Embodiment 2)
In the first embodiment, the electronic device is a controller. However, the electronic device according to the second embodiment is a device. Here, the device is a peripheral device that executes a command transmitted from the controller and stores data of the controller, and the external connection terminals of the controller and the device are connected to each other. In the controller 1, as shown in FIG. 1, one rail fixture 20 is provided on the back surface 12 of the housing 10. On the other hand, as shown in FIG. A pair of rail fixtures 120, 220 are provided on the back surface 12. In the device 2, the engagement claw is not provided on the back surface 12 of the housing 10. In other words, the device 2 is provided with the second rail fixture 220 having an engaging portion instead of the engaging claw of the controller 1. Hereinafter, only the differences between the configuration of the device 2 and the controller 1 will be described.

  The bottom surface 14 of the housing 10 of the device 2 is provided with a first convex portion 116 that protrudes downward in the Y direction, and the upper surface 13 is provided with a second convex portion 216 that protrudes upward in the Y direction. Preferably, a concave first ridge portion 117 is provided on the bottom surface 14 of the housing 10 on the Z direction front side, and a concave second ridge portion 217 is provided on the top surface 13 on the Z direction front side. It is done. A pair of first rail fixtures 120 and second rail fixtures 220 slidable in the Y direction are attached to the back surface 12 of the housing 10.

  The specific configurations of the first rail fixture 120 and the second rail fixture 220 are the same as those of the rail fixture 20 shown in FIG. The first rail fixture 120 and the second rail fixture 220 are provided vertically symmetrically so that the respective engaging portions face each other. The first rail fixing tool 120 and the second rail fixing tool 220 slide from the second position to the first position, respectively, so that these engaging portions sandwich the DIN rail, so that the device 2 becomes the DIN rail. Can be attached.

  Next, a method for attaching and detaching the device and the DIN rail will be described with reference to FIGS. FIG. 13 is a diagram for explaining a method of attaching the device 2 to the DIN rail 30. First, the device 2 is translated and the back surface 12 of the housing 10 of the device 2 is brought into contact with the two flange portions 32 of the DIN rail 30. At this time, the first and second rail fixtures 120 and 220 are both in the second position. Then, the first and second rail fixtures 120 and 220 are slid from the second position to the first position, and the engaging portions 121 and 221 of the first and second rail fixtures 120 and 220 are connected to the DIN rail 30. The flange portions 32 are engaged with each other. Thereby, the device 2 is attached to the DIN rail 30. Then, the external connection terminal of the device 2 and the external connection terminal of the controller 1 are brought into contact with each other and connected.

  Next, a method for removing the device 2 from the DIN rail 30 will be described with reference to FIG. First, the first and second rail fixtures 120 and 220 of the device 2 are slid from the first position to the second position. Since the specific sliding method is the same as the sliding methods 1 to 4 described in the first embodiment, the description thereof is omitted. Either order may be sufficient as the order which slides the 1st and 2nd rail fixing tools 120 and 220. FIG.

  After the first and second rail fixtures 120 and 220 are slid, the device 2 is translated to separate the back surface 12 of the housing 10 of the device 2 from the DIN rail 30. Thereby, the device 2 can be detached from the DIN rail 30 without rotating.

  In the first embodiment, as shown in FIGS. 3 and 11, the mode in which the engaging claw 18 of the housing 10 is rotated as a fulcrum and is attached and detached has been described. On the other hand, in the second embodiment, as shown in FIGS. 13 and 14, the casing 10 of the device 2 is provided with a pair of slidable rail fasteners 120 and 220. By sliding both 120 and 220, the device 2 can be translated and detached without being rotated.

  Here, when the first and second tabs 117 and 217 are provided on the bottom surface 14 and the upper surface 13 of the housing 10, at least the first and second tabs 117 and 217 are moved when the device 2 is translated. By grasping either one with a finger and pulling the device 2, the device 2 can be stably detached from the DIN rail 30.

  For example, when a controller or another device is provided in the vicinity of the side surface 15 of the casing 10 of the device 2, the controller or another device is in the way and cannot hold the side surface 15 of the casing 10 of the device 2. There is a case. In particular, when the external connection terminal 19 is formed on the side surface 15 of the housing 10 of the device 2, the side surface 15 of the housing 10 of the device 2 is in close contact with the controller or another device.

  On the other hand, if the first lip portion 117 is formed on the bottom surface 14 of the housing 10 and the second lip portion 217 is formed on the top surface 13 of the housing 10, a controller or Even if another device is provided, it is possible to grasp the first and second tabs 117 and 217 with fingers. Therefore, the device 2 can be easily detached from the DIN rail 30 by grasping the first and second tabs 117 and 217 and pulling them toward the front side in the Z direction. It should be noted that the hook portion is not necessarily provided on both the top surface 13 and the bottom surface 14, and may be provided on at least one of the top surface 13 and the bottom surface 14. Further, the same effect can be obtained by the knob unit 17 for the controller 1 of the first embodiment.

  Further, the external connection terminals 19 adjacent to each other of the controller 1 and the device 2 have a convex shape, the other has a concave shape, and the convex external connection terminal fits into the concave external connection terminal. Thus, the controller 1 and the device 2 are connected. At this time, it is preferable to employ a structure in which the convex external connection terminal can be retracted into the housing. Details will be described below.

  If it is desired to remove the device 2 connected to the controller 1 from the DIN rail 30 and the convex external connection terminal cannot be retracted into the housing, the device 2 is moved along the DIN rail 30, that is, X The device 2 can be removed from the DIN rail 30 only after releasing the connection in the direction away from the controller 1.

  On the other hand, if the convex external connection terminal can be retracted into the housing, when the controller 1 and the device 2 are connected, the convex external connection terminal protrudes from the housing, and the convex shape The external connection terminal is fitted to the concave external connection terminal, whereby the controller 1 and the device 2 are connected. When the device 2 is removed from the DIN rail 30, the convex external connection terminal is retracted into the housing, so that the device 2 is moved in the Z direction as it is, and the device 2 is removed from the DIN rail 30. It becomes possible to remove from. This applies not only when the device 2 is removed but also when it is attached. The same applies to the controller 1.

  In particular, even when the device 2 is connected by being sandwiched between the controller 1 and other devices, the controller 1 and other devices connected to the device 2 can be connected without moving along the DIN rail 30. Only 2 can be removed. For example, when the device 2 fails, without removing the controller 1 and other devices connected thereto, only the device 2 is taken out for repair and replacement, and then the controller 1 and other devices are not moved. The device 2 that has been repaired or the device after the replacement can be attached to the place where the device 2 originally existed. That is, by adopting a structure in which the external connection terminal can be retracted, the convenience of attaching / detaching the controller 1 or the device 2 to / from the DIN rail 30 can be improved.

  The convex external connection terminal may be biased so as to be protruded by a spring or the like, and may be controlled so that the protruding state and the retracted state are switched by another method. For example, a convex external connection terminal protruding in the X direction is retracted into the housing 10 by bending in a direction other than the X direction, and a concave shape is restored by returning to the state protruding in the X direction. A mode of fitting with the external connection terminal is conceivable. In addition, the convex external connection terminal is not bent and is embedded in the housing 10 to be retracted into the housing 10 and returned to a state protruding to the outside of the housing 10 to be recessed. A mode of fitting with the external connection terminal having a shape is also conceivable.

  The convex external connection terminal may not have a structure that can be retracted into the housing. For example, in the controller 1 fixed to the DIN rail 30, a groove may be formed from the concave external connection terminal toward the front of the housing. In this case, as shown in FIG. 13, by moving the device 2 in the Z-axis direction, the convex external connection terminal of the device 2 is moved along the groove of the controller 1. The controller 1 and the device 2 can be connected by reaching the connection terminal.

  In addition, although the controller 1 described the aspect by which the convex part 16 was provided in the housing | casing 10, and the eaves part 23, the hole part 24, and the neck part 25 were provided in the exposed part 22 of the rail fixing tool 20, Not limited to. For example, if at least the eaves portion 23 is provided, the rail fixing tool 20 can be slid by the sliding method 2 even if the hole portion, the convex portion, and the neck portion are not provided. Furthermore, if the convex part 16 is provided in the housing | casing 10 in addition to the eaves part 23, the rail fixing tool 20 can be slid by the sliding method 4. FIG. Moreover, if at least the convex part 16 and the hole part 24 are provided, the rail fixing tool 20 can be slid by the sliding method 3 even if a hook part and a neck part are not provided.

  In the first and second embodiments, the aspect in which the rail fixing tool 20 is slid using the minus driver 40 or the precision minus driver 50 has been described. However, the present invention is not limited to this. If any spatula tool having a flat tip is used, the rail fixture 20 can be slid by any one of the above-described sliding methods 2 to 4.

  In the first and second embodiments, the aspect in which the concave tsunami portion is formed in the housing 10 is described. However, the present invention is not limited to this. Also good.

  In addition, although Embodiment 1 demonstrated the aspect in which an electronic device is a controller, Embodiment 2 demonstrated the aspect in which an electronic device is a device, it is not restricted to this, Conversely, the electronic device of Embodiment 1 is a device. The electronic device of the second embodiment may be a controller. Further, the present invention is not limited to electronic devices, and any device can be applied as long as it is a device attached to a DIN rail.

In addition, in Embodiment 1 and 2, although the aspect in which an electronic device is a rectangular parallelepiped shape was described, it is not restricted to this, For example, a polygonal column shape may be sufficient.
In the first and second embodiments, the attachment / detachment between the electronic device and the DIN rail 30 has been described. However, the present invention is not limited to this, and the same applies to the case where the electronic device is attached to a support rail other than the DIN rail.

DESCRIPTION OF SYMBOLS 1 Controller 2 Device 10 Housing | casing 16 Protrusion part 17 Knob part 18 Engagement claw 19 External connection terminal 20 Rail fixing tool 21 Engagement part 22 Exposed part 23 Hear part 24 Hole part 25 Constriction part 30 DIN rail 40 Negative driver 50 Precision minus Driver 120 First rail fixture 220 Second rail fixture

Claims (7)

An electronic device that is detachable from the support rail by engaging a pair of opposing engaging portions with the support rail,
A housing provided with two locking holes;
A rail fixture attached to the housing and having one of the engaging portions;
The rail fixture is
A first position where the engagement portion engages with the support rail and a second position where the engagement portion does not engage with the support rail are slidable with respect to the housing,
An exposed portion exposed from the housing through before and after sliding;
A scissor portion provided with a gap from the housing and projecting from the exposed portion toward the housing;
A locking piece fitted into the locking hole,
The two locking holes are arranged in a direction in which the rail fixture slides from the first position to the second position,
Depending on which of the two locking holes the locking piece is fitted into, it is determined whether the rail fixture is in the first position or the second position ,
When attaching to the support rail, the rail fixture located at the second position is slid to the first position, and when removing from the support rail, the rail fixing is performed. The electronic device is characterized in that the tool is slid from the first position to the second position . 2. The electronic apparatus according to claim 1, wherein the housing has a protruding portion that protrudes in a direction in which the rail fixture slides from a first position to a second position. The electronic device according to claim 2, wherein the rail fixture further includes a hole formed in the exposed portion. The electronic device according to claim 3, wherein the hole portion is provided between the eaves portion and the housing. An electronic device that is detachable from the support rail by engaging a pair of opposing engaging portions with the support rail,
A housing provided with two locking holes;
A rail fixture attached to the housing and having one of the engaging portions;
The rail fixture is
A first position where the engagement portion engages with the support rail and a second position where the engagement portion does not engage with the support rail are slidable with respect to the housing,
An exposed portion exposed from the housing through before and after sliding;
A hole formed in the exposed portion;
A locking piece fitted into the locking hole,
The housing has a convex portion protruding in a direction in which the rail fixture slides from the first position to the second position,
The two locking holes are arranged in a direction in which the rail fixture slides from the first position to the second position,
Depending on which of the two locking holes the locking piece is fitted into, it is determined whether the rail fixture is in the first position or the second position ,
When attaching to the support rail, the rail fixture located at the second position is slid to the first position, and when removing from the support rail, the rail fixing is performed. The electronic device is characterized in that the tool is slid from the first position to the second position . 5. The electronic device according to claim 1, wherein the eaves portion has an arch shape that is convex in a direction in which the rail fixture slides from a first position to a second position. In the first position, a gap between the housing and the eaves portion is greater than 1.2 mm,
7. The electronic apparatus according to claim 1, wherein, in the second position, a gap between the housing and the eaves portion is smaller than 7.0 mm.

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