JP5371000B2 - Electronic equipment mounting structure and equipment mounting adapter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electronic equipment mounting structure and an adapter for equipment mounting that can fix electronic equipment capable of slide-engaging a DIN rail at a predetermined position of an equipment mounting member so that it does not move. <P>SOLUTION: The electronic equipment mounting structure and adapter 10 for equipment mounting include a claw lock projection wall 38 protruding from a tip of a groove insert part 30, protruding from the adapter for equipment mounting to the electronic equipment, to both sides, and the equipment can be mounted on the equipment mounting member by locking both ends 38T, 38T of the claw lock projection wall to a fixed lock claw and a movable lock claw of the electronic equipment. When the electronic equipment is mounted on the adapter for equipment mounting, a slide restriction recessed part that the electronic equipment has and slide restriction projection parts 37, 37 that the adapter for equipment mounting has are in recess/projection engagement to restrict sliding of the groove insert part in a rail receiving groove. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to an electronic device mounting structure and a device mounting adapter capable of mounting an electronic device on a DIN rail.

  Conventionally, a DIN rail is known as a fixture for attaching an electronic device to a device attachment member. The electronic device attached to the DIN rail can be moved to an arbitrary position by sliding on the DIN rail (see, for example, Patent Document 1).

JP 2002-16382 (paragraph [0008], FIG. 2)

  However, depending on the direction in which the electronic device is attached or the direction in which the DIN rail is attached, it is necessary to fix the electronic device so that it cannot slide. Therefore, conventionally, in addition to an electronic device having a slidable device mounting structure, it is necessary to separately prepare an electronic device having a non-slidable device mounting structure.

  The present invention has been made in view of the above circumstances, and an electronic device mounting structure and device mounting that can fix an electronic device that can be slidably engaged with a DIN rail so as not to move to a predetermined position of a device mounting member. The purpose is to provide an adapter.

  In order to achieve the above object, an electronic device mounting structure according to the invention of claim 1 is an electronic device mounting structure for detachably mounting an electronic device to a device mounting member, wherein a DIN rail of a predetermined size is attached to the electronic device. A DIN rail can be slidably engaged by forming a receivable rail receiving groove and having first and second locking claws that sandwich both side edges of the DIN rail between the bottom surface of the rail receiving groove. In addition, an inclined surface is provided at the front end of the outer surface of the first locking claw, and the other side edge of the DIN rail is sandwiched between the second locking claw and the groove bottom surface. Is pressed against the inclined surface, and the other side edge portion of the DIN rail is sandwiched between the first locking claw and the groove bottom surface overcoming the elastic deformation of the support portion of the first locking claw, The device mounting member has a groove entry that can be received in the rail receiving groove. And a DIN rail substitute projection that projects a claw locking projection wall of the same thickness and width as a DIN rail of a predetermined size on both sides from the tip of the groove entry portion, and is formed on the claw locking projection wall And a slide restricting protrusion projecting toward the inner surface of the rail receiving groove and a rail receiving groove formed between the first and second locking claws and the groove bottom surface. In this state, it has a feature in that it includes a slide restricting recess that engages with the slide restricting protrusion in a concave and convex manner and restricts the slide of the groove protrusion in the rail receiving groove.

According to a second aspect of the present invention, in the electronic device mounting structure according to the first aspect, the electronic device is connected to the middle of the pipe and connected to the flow meter body for detecting the flow rate of the fluid flowing through the pipe via the cable. It is a connected signal processing unit, and the device mounting member is characterized in that it is a flow meter body .

An electronic device mounting structure according to a third aspect of the invention is an electronic device mounting structure for detachably mounting an electronic device to a device mounting member, wherein a rail receiving groove capable of receiving a DIN rail of a predetermined size is formed in the electronic device. The first and second locking claws are provided with first and second locking claws that sandwich both side edges of the DIN rail between the rail bottom surface of the rail receiving groove and are capable of slidingly engaging the DIN rail. When an inclined surface is provided at the outer surface tip of the DIN rail and one side edge of the DIN rail is sandwiched between the second locking claw and the groove bottom, the other side edge is pressed against the inclined surface. The structure is such that the other side edge of the DIN rail is sandwiched between the first locking claw and the groove bottom surface by overcoming the elastic deformation of the supporting portion of the locking claw, and for mounting the device on the outer surface of the device mounting member The adapter is fixed. A base plate which addressed cracking on the outer surface of the timber, with the base and locking means are provided for fixing the base plate to the device mounting member, the groove rush unit acceptably to the rail-receiving grooves formed to project on the base plate, A DIN rail substitute projection is provided on both sides from the tip of the groove entry portion to project a claw locking projection wall having the same thickness and width as the DIN rail of a predetermined size, and is formed on the claw locking projection wall. In a state in which the slide restricting protrusion protruding toward the inner surface of the receiving groove and the rail receiving groove are formed, and the claw locking protruding wall is sandwiched between the first and second locking claws and the groove bottom surface. It has a feature in that it is provided with a slide restricting recess that engages with the slide restricting protrusion, and restricts the slide of the groove entering portion in the rail receiving groove .

  According to a fourth aspect of the present invention, in the electronic device mounting structure according to the third aspect, the base board is provided with a screw fixing portion that protrudes to the side larger than the claw locking protruding wall with respect to the groove protruding portion. The stop portion is characterized in that a screw insertion hole for allowing a screw as a base fixing means to pass therethrough is formed.

  According to a fifth aspect of the present invention, in the electronic device mounting structure according to the third or fourth aspect, the device mounting member is a pipe, and the base board is positioned in parallel with the axial direction of the pipe in contact with the pipe. A character groove is formed, and the base board and the groove entry part are characterized in that a belt insertion part for inserting a belt as a base fixing means wound around the pipe to the pipe side from the claw locking projection wall is formed. Have.

  According to a sixth aspect of the present invention, in the electronic device mounting structure according to any one of the third to fifth aspects, the device mounting adapter and the electronic device are in a state in which the slide restricting protrusion and the slide restricting recess are engaged with each other. It is characterized in that the alignment marks provided on both of them match.

According to a seventh aspect of the present invention, in the electronic device mounting structure according to any one of the third to sixth aspects, the electronic device is connected to the middle of the pipe to detect the flow rate of the fluid flowing through the pipe. The signal processing unit is connected to the main body of the flowmeter via a cable, and the device mounting member is characterized in that it is a main body of the flowmeter or a pipe.

The invention according to claim 8 is the electronic device mounting structure according to any one of claims 1 to 7, wherein the outer edge of the entire claw locking protruding wall is formed into a polygon having a plurality of parallel lines, Claw locking between the first and second locking claws and the groove bottom surface at any position where the phase of the electronic device is shifted by 90 degrees with respect to the device mounting member or by 45 degrees. It is characterized in that the projecting wall is sandwiched.

An appliance mounting adapter according to a ninth aspect of the present invention includes a rail receiving groove and a pair of locking claws protruding from both inner side surfaces thereof, and overcomes elastic deformation of a supporting portion of the locking claw so as to have a predetermined size. Device mounting adapter fixed to the device mounting member for detachably mounting the electronic device capable of holding the side edge of the DIN rail between the locking claw and the groove bottom surface of the rail receiving groove to the device mounting member , A base board addressed to the equipment mounting member, base fixing means for fixing the base board to the equipment mounting member, a groove entry portion protruding from the base board and receivable in the rail receiving groove, and a groove entry portion A claw-locking projection wall that projects from both ends to the both sides, has the same thickness and width as a DIN rail of a predetermined size, and is formed to protrude from the claw-locking projection wall. Inside the rail receiving groove while being sandwiched between Characterized in place and a slide restricting projection for restricting the sliding groove inrush portion of the concavo-convex engagement with the rail-receiving channel formed in the slide restricting recess.
According to a tenth aspect of the present invention, in the device mounting adapter according to the ninth aspect , the outer edge portion of the entire claw locking protruding wall is formed into a polygon having a plurality of sets of parallel lines, and the electronic device is used as a device mounting member. The claw locking projection wall is sandwiched between the pair of locking claws and the groove bottom surface at an arbitrary position shifted in phase by 90 degrees or shifted in phase by 45 degrees. However, it has characteristics.

According to an eleventh aspect of the present invention, in the equipment mounting adapter according to the ninth or tenth aspect , the base board is provided with a screw stop portion that protrudes to the side larger than the claw locking protruding wall with respect to the groove protruding portion. The screw fixing portion is characterized in that a screw insertion hole for allowing a screw as a base fixing means to pass therethrough is formed.

According to a twelfth aspect of the present invention, in the equipment mounting adapter according to any one of the ninth to eleventh aspects, the equipment mounting member is a pipe, and the base board is in contact with the pipe and parallel to the axial direction of the pipe. A V-shaped groove is formed, and a belt insertion part for inserting a belt as a base fixing means wound around the pipe to the pipe side from the claw locking protruding wall is formed in the base board and the groove insertion part. It has a characteristic where it exists.

[Invention of Claim 1 ]
According to the first aspect of the present invention, the electronic device can be slidably engaged with the DIN rail by sandwiching both side edges of the DIN rail between the first and second locking claws and the bottom surface of the groove. ing. In addition, the DIN rail substitute protrusion includes a claw locking protrusion wall projecting from both ends of the groove protrusion protruding from the device mounting member toward the electronic device. It is clamped between the first and second locking claws and the groove bottom surface. Then, the slide restricting protrusion provided in the DIN rail substitute protrusion and the slide restricting recess formed in the rail receiving groove engage with each other to restrict the slide of the groove entering portion in the rail receiving groove. That is, according to the present invention, the electronic device can be attached to both the DIN rail and the DIN rail substitute protrusion, and when attached to the DIN rail, it can be moved to any position on the DIN rail as before. On the other hand, when attached to the DIN rail substitute protrusion, it is possible to fix the device attachment member so as not to move to a predetermined position.

[Invention of claim 2]
According to inventions of claims 2, a signal processing unit as an electronic device can be detachably mounted with respect to the flow meter body.

[Inventions of Claims 3 and 9 ]
According to the third and ninth aspects of the present invention, the electronic device has both side edges of the DIN rail between the first and second locking claws (the pair of locking claws in claim 9) and the groove bottom surface. By being pinched, it can be slidably engaged with the DIN rail. In addition, the DIN rail substitute protrusion includes a groove protrusion protruding from the base panel of the device mounting adapter fixed to the outer surface of the device mounting member toward the electronic device, and a claw locking protrusion protruding from the tip to both sides. A claw locking projection wall is provided between the first and second locking claws (a pair of locking claws in claim 9) and the groove bottom surface of the electronic device. Then, the slide restricting protrusion provided in the DIN rail substitute protrusion and the slide restricting recess formed in the rail receiving groove engage with each other to restrict the slide of the groove entering portion in the rail receiving groove. That is, according to the present invention, the electronic device can be attached to both the DIN rail and the DIN rail substitute protrusion, and when attached to the DIN rail, it can be moved to any position on the DIN rail as before. On the other hand, when attached to the DIN rail substitute protrusion, it is possible to fix the device attachment member so as not to move to a predetermined position. Further , the electronic device can be mounted by fixing the device mounting adapter to the device mounting member not provided with the groove entry portion.

[Inventions of Claims 4 and 11 ]
According to invention of Claim 4 and 11, the adapter for apparatus attachment can be fixed to an apparatus attachment member with a screw like a DIN rail.

[Inventions of Claims 5 and 12 ]
According to the fifth and twelfth aspects of the present invention, it is possible to fix the device mounting adapter to a pipe for which it is difficult to mount the DIN rail, and it is possible to mount an electronic device corresponding to the DIN rail to the pipe. Further, when the base board is directed to the pipe, the V-shaped groove comes into contact with the outer surface of the pipe, so that the mounting state of the device mounting adapter with respect to the pipe can be stabilized.

[Invention of claim 6]
According to the sixth aspect of the present invention, when the electronic device is attached to the device mounting adapter, the alignment mark provided on both the electronic device and the device mounting adapter is made to approach so that the groove entry portion The uneven engagement of the slide restricting portion between the rail and the rail receiving groove can be performed smoothly.

[Invention of Claim 7]
According to invention of Claim 7, the signal processing unit as an electronic device can be attached to a flow meter main body or a pipe so that attachment or detachment is possible.
[Inventions of Claims 8 and 10]
According to the eighth and tenth aspects of the present invention, an arbitrary mounting posture is selected from four different mounting postures in which the phase of the electronic device is shifted by 90 degrees or eight different mounting postures in which the phase is shifted by 45 degrees. Can be installed. That is, according to the present invention, the degree of freedom of the mounting posture of the electronic device is improved as compared with the case of mounting on the DIN rail.

The perspective view of the state which attached the electronic device which concerns on this embodiment to the DIN rail Rear view of electronic equipment Side view of electronic equipment (A) Front view of fixed locking claw and slide regulating recess, (B) Front view of movable locking claw and slide regulating recess. Perspective view of equipment mounting adapter Top view of equipment mounting adapter (A) X arrow view in FIG. 5, (B) Y arrow view in FIG. (A) Perspective view when screwing the device mounting adapter, (B) Perspective view according to the modification Perspective view of device mounting adapter fixed to pipe with cable tie Perspective view of equipment mounting adapter fixed to pipe with hose band (A) Perspective view of process of attaching electronic device to device mounting adapter, (B) Perspective view of state where electronic device is attached to device mounting adapter (A) Perspective view of process of attaching electronic device to device mounting adapter, (B) Perspective view of state where electronic device is attached to device mounting adapter (A) Perspective view of electronic device attached to device mounting adapter, (B) Perspective view of device attached to device mounting adapter 90 ° out of phase An exploded perspective view of a flow meter to which the present invention is applied Plan view of equipment mounting adapter according to a modification Plan view of equipment mounting adapter according to a modification

  Hereinafter, an embodiment of the present invention will be described with reference to FIGS. First, the electronic device 100 will be described. The electronic device 100 has a structure that can be attached to a DIN rail 200 of a predetermined size, as shown in FIG. Since the structure of the DIN rail 200 is known, the description thereof is omitted.

  The electronic device 100 includes, for example, an electronic component (not shown) inside a flat rectangular parallelepiped casing 101. The casing 101 can be divided into two in the flat direction. The casing 101 includes a display unit 105 on one surface in the flat direction, and a rail on the opposite surface (hereinafter referred to as “rear surface 101R”). The receiving groove 110 is recessed. As shown in FIG. 1, the rail receiving groove 110 can receive a DIN rail 200 having a predetermined size from the width direction.

  As shown in FIG. 2, the rail receiving groove 110 extends in the longitudinal direction of the electronic device 100 (housing 101), and is open to both side surfaces 101S and 101S in the longitudinal direction, as shown in FIG. In other words, the portion sandwiched between the pair of side facing walls 102 and 102 facing in the short direction of the electronic device 100 and extending in the longitudinal direction is relatively depressed to form the rail receiving groove 110. .

  As shown in FIG. 3, the center portion in the width direction of the groove bottom surface 111 of the rail receiving groove 110 is recessed in a stepped shape with respect to both side edge portions. That is, step protrusions 111T and 111T extending in parallel to the rail receiving groove 110 and projecting inside the rail receiving groove 110 are formed on both side edges in the width direction of the groove bottom surface 111 of the rail receiving groove 110. . Note that a corner portion where a pair of groove side surfaces 110S and 110S opposed in the width direction of the rail receiving groove 110 and the rear surface 101R of the electronic device 100 intersect each other is a tapered surface.

  Among the groove side surfaces 110S and 110S of the rail receiving groove 110, one groove side surface 110S is provided with a fixed locking claw 120 (corresponding to the “second locking claw” of the present invention), and the other groove side surface. 110S is provided with a movable locking claw 130 (corresponding to the "first locking claw" of the present invention). Hereinafter, the groove side surface 110S provided with the fixed locking claw 120 is referred to as a “first groove side surface 110S”, and the groove side surface 110S provided with the movable locking claw 130 is referred to as a “second groove side surface 110S”.

  The fixed latching claw 120 is integrally formed with the housing 101 and protrudes from the center position in the longitudinal direction of the rail receiving groove 110 to the inside of the rail receiving groove 110 as shown in FIG. As shown in FIG. 3, the fixed locking claw 120 has a triangular cross section, and the locking surface 120 </ b> K rising vertically from the first groove side surface 110 </ b> S is formed on the groove bottom surface 111 of the rail receiving groove 110 (in detail, While provided on the stepped protrusion 111T) side, an inclined surface 120S rising obliquely from the first groove side surface 110S is provided on the rear surface 101R side of the housing 101. A gap is formed between the locking surface 120K of the fixed locking claw 120 and the step projection 111T of the rail receiving groove 110, and both side edges 201 in the width direction of the DIN rail 200 (see FIG. 1). Can be pinched.

  As shown in FIG. 2, the movable locking claws 130 protrude inward from the rail receiving groove 110 from a position closer to the center in the longitudinal direction of the rail receiving groove 110 in a pair. These movable locking claws 130 have a triangular cross section like the fixed locking claws 120, and include a locking surface 130K perpendicular to the second groove side surface 110S on the groove bottom surface 111 side of the rail receiving groove 110. On the other hand, an inclined surface 130S inclined with respect to the second groove side surface 110S is provided on the rear surface 101R side of the housing 101. Then, both side edges 201 (see FIG. 1) of the DIN rail 200 can be sandwiched between the locking surface 130K of the movable locking claw 130 and the step protrusion 111T of the rail receiving groove 110.

  The movable locking claw 130 is integrally formed with a slide piece 131 that is a separate component from the housing 101, and the slide piece 131 is slidably assembled to the housing 101. A guide hole 103 penetrating in a direction orthogonal to the second groove side surface 110S is formed in the side facing wall 102 having the second groove side surface 110S in the housing 101, and a slide piece 131 is formed in the guide hole 103. Is accommodated so that it can move directly. The slide piece 131 is biased so that the movable locking claw 130 protrudes from the second groove side surface 110S. The slide piece 131 corresponds to a “first locking claw support portion” according to the present invention.

  Specifically, as shown in FIG. 2, a portion of the slide piece 131 accommodated in the guide hole 103 is integrally provided with an elastically deformable cantilever arm 132, and the tip of the cantilever arm 132 is provided. Is locked to the housing 101. Then, in a state where one side edge 201 of the DIN rail 200 is sandwiched between the fixed locking claw 120 and the step protrusion 111T of the rail receiving groove 110, the other side edge 201 is moved to the movable locking claw 130. When pressed against the inclined surface 130S, the cantilever arm 132 is elastically deformed, the slide piece 131 is retracted from the rail receiving groove 110, and the movable locking claw 130 is retracted inside the guide hole 103. When the other side edge 201 of the DIN rail 200 gets over the movable locking claw 130, the slide piece 131 moves forward toward the rail receiving groove 110 due to the elastic force of the cantilever arm 132, and the movable locking claw 130 is moved. Protrudes from the guide hole 103 (second groove side surface 110S), and the other side edge 201 is sandwiched between the movable locking claw 130 and the stepped protrusion 111T of the rail receiving groove 110. In this way, the electronic device 100 is attached to the DIN rail 200.

  Here, as shown in FIGS. 2 and 3, the end of the slide piece 131 opposite to the movable locking claw 130 protrudes from the guide hole 103 to the outer surface side of the housing 101, and this protruding portion And by pulling the slide piece 131 outward, it is possible to release the electronic device 100 from the DIN rail 200 by releasing the engagement between the movable locking claw 130 and one side edge 201 of the DIN rail 200. It has become. That is, the electronic device 100 can be attached to and detached from the DIN rail 200.

  In addition, as shown in FIG. 2, in the groove bottom surface 111 of the rail receiving groove 110 in the electronic device 100, a cable connection is made between the electronic device 100 and other electrical components at positions closer to both ends in the longitudinal direction. A plurality of connector portions 104 are provided.

  Next, the electronic device mounting structure and the device mounting adapter 10 of the present invention will be described. The device mounting adapter 10 is, for example, a resin molded product, a base board 11 that is fixed to a predetermined device mounting member to which the electronic device 100 is mounted, and a base board 11 that projects from the base board 11 in a stepped manner. A groove entry portion 30 that is coupled to the device 100 is provided.

  As shown in FIG. 6, the base board 11 has a frame structure in which a base opening 12 having an octagonal planar shape is formed through the center of a plate member having a square planar shape. Of the eight sides forming the outer edge of the base opening 12, four sides extend parallel to the four sides 11 </ b> S forming the outer edge of the base board 11. In addition, corner flanges 13 are formed at the four corners of the base board 11 so as to protrude laterally from the groove entry portion 30.

  As shown in FIG. 5, the groove entry portion 30 is disposed inside the base opening 12. The groove entry portion 30 has an octagonal prism structure that is flat in the thickness direction of the base board 11, and the tip surface 31 is a flat surface that is orthogonal to the thickness direction of the base board 11. The outer surface of the groove entry portion 30 that stands upright from the base board 11 is composed of eight rectangular side surfaces, of which four rectangular side surfaces 32A (hereinafter referred to as “first rectangular side surfaces 32A”) Corner walls provided in the four corners of the base board 11 extend in parallel with the four side edges 11S constituting the outer edge of the board 11 and the remaining four rectangular side faces 32B (hereinafter referred to as “second rectangular side faces 32B”). It faces the part 13 side. Of the outer surface of the groove entry portion 30, the second rectangular side surface 32 </ b> B and the opening edge of the base opening portion 12 are connected, and the first rectangular side surface 32 </ b> A and the opening edge of the base opening portion 12 are connected. Are spaced apart (see FIG. 6). A rectangular depression 35 having four sides parallel to the four sides of the base board 11 is formed at the center of the tip surface 31 of the groove entry part 30.

  Hereinafter, for convenience of explanation, the direction parallel to the short direction of the rectangular depression 35 (the horizontal direction in FIG. 6) is “lateral direction X”, and the direction parallel to the longitudinal direction of the rectangular depression 35 (in FIG. 6). The “vertical direction Y” is referred to as the “vertical direction Y”, and the thickness direction of the base board 11 (the direction perpendicular to the paper surface in FIG. 6) is referred to as the “front-back direction Z”.

  As shown in FIG. 8, the device mounting adapter 10 can be fixed to the flat wall surface of the device mounting member with a plurality of screws 80 (corresponding to the “base fixing means” of the present invention). That is, the first screw insertion hole 51 is formed through the center of the device mounting adapter 10 (the center of the groove insertion portion 30). In addition, second screw insertion holes 52 are formed through the base board 11 at a plurality of positions that are point-symmetric with respect to the center of the device mounting adapter 10.

  The second screw insertion holes 52 are respectively formed in the corner flanges 13 of the base board 11. The second screw insertion hole 52 has, for example, a shape in which two circular holes having a smaller diameter than the first screw insertion hole 51 are connected to form one hole. In addition, a thicker screw 80 than the second screw insertion hole 52 can be inserted into the first screw insertion hole 51. The corner flange 13 corresponds to the “screw fixing portion” of the present invention.

  When the device mounting adapter 10 is fixed with the screw 80, the rear surface of the device mounting adapter 10 is directed to the flat wall surface of the device mounting member, for example, as shown in FIG. The screw 80 is inserted into the second screw insertion hole 52, or as shown in FIG. 8B, either one of the first screw insertion hole 51 and the four second screw insertion holes 52 is inserted. The screws 80 are inserted, and the plurality of screws 80 are screwed onto the wall surface of the device mounting member.

  The device mounting adapter 10 is a belt-like restraining member for the pipe P for which it is difficult to fix the DIN rail 200, specifically, as shown in FIGS. 9 and 10, a binding band 82 or a hose band 81. It can be fixed using (corresponding to “base fixing means” or “belt” of the present invention). That is, a plurality of side band insertion holes 14 through which the binding band 82 can be inserted are formed in the base board 11, and the binding band 82 and the hose band 81 are inserted between the groove entry portion 30 and the base board 11. Possible intermediate band insertion holes 17, 17 are formed.

  The side band insertion holes 14 have four positions that are point-symmetric with respect to the center of the device mounting adapter 10 (first screw insertion hole 51), specifically, the corner flanges 13 at the four corners of the base board 11. Is formed through. Each side band insertion hole 14 has a rectangular shape in which the length in the horizontal direction X is longer than the length in the vertical direction Y corresponding to the cross-sectional shape of the binding band 82.

  Then, as shown in FIG. 9, with the rear surface of the base board 11 in contact with the pipe P, the binding band 82 inserted through the two side band insertion holes 14, 14 arranged in the longitudinal direction Y is connected to the pipe. The device mounting adapter 10 can be fixed to the pipe P by winding it around P and tightening one end of the binding band 82 through a buckle portion provided at the other end.

  The intermediate band insertion holes 17, 17 are provided in the middle of the two side band insertion holes 14, 14 aligned in the lateral direction X, and pass through in the front-rear direction Z. The intermediate band insertion hole 17 has a horizontally long shape in which the horizontal direction X is longer than the vertical direction Y, and is wider than the side band insertion hole 14.

  A portion of the groove entry portion 30 that is sandwiched between the intermediate band insertion holes 17 and 17 serves as a restraining wall 36 that is sandwiched between the hose band 81 and the pipe P. The constraining wall 36 is provided in the rectangular recess 35, and the surface of the groove protrusion 30 facing the front end surface 31 side extends from the central portion in the longitudinal direction Y to both ends, that is, the intermediate band insertion holes 17 and 17. The curved surface is inclined so as to descend downward.

  Note that, in the groove entry portion 30, the first rectangular side surfaces 32A and 32A positioned on both end sides in the longitudinal direction (vertical direction Y) of the rectangular depression 35 are respectively formed with portal openings 32A1 and 32A1. These portal openings 32A1 and 32A1 communicate with the intermediate band insertion holes 17 and 17, respectively.

  Then, as shown in FIG. 10, with the rear surface of the base board 11 in contact with the pipe P, the hose band 81 passed through the intermediate band insertion holes 17 and 17 is wound around the pipe P. The appliance mounting adapter 10 can be fixed to the pipe P by passing one end through a buckle portion provided at the other end and tightening a screw of the buckle portion.

  Furthermore, a band insertion groove 34 into which the binding band 82 can be inserted is formed in the restraining wall 36. The band insertion groove 34 is formed by recessing the curved surface of the constraining wall 36. Specifically, the band insertion groove 34 extends in the longitudinal direction (longitudinal direction Y) of the rectangular depression 35 at the center in the short side direction (lateral direction X) of the rectangular depression 35, and the first screw insertion. It is orthogonal to the hole 51. In addition, band pressing walls 34H and 34H for pressing the binding band 82 inserted into the band insertion groove 34 and preventing the binding band 82 from separating are provided on both sides of the first screw insertion hole 51. .

  Then, as shown in FIG. 9, with the rear surface of the base board 11 in contact with the pipe P, the binding band 82 inserted through the band insertion groove 34 and the intermediate band insertion holes 17 and 17 is wound around the pipe P. The device mounting adapter 10 can be fixed to the pipe P by tightening the binding band 82 through the other end of the buckle provided at one end of the binding band 82. Here, in this embodiment, the side band insertion hole 14, the intermediate band insertion hole 17, and the band insertion groove 34 described above correspond to the “belt insertion portion” of the present invention.

  9 and 10 show a state in which only one of the binding band 82 or the hose band 81 is used to fix the pipe P, the two bands inserted through the side band insertion holes 14 are shown. The binding bands 82 and 82 and the hose band 81 inserted through the intermediate band insertion holes 17 and 17 may be used in combination. In addition, FIG. 9 shows a state where three binding bands 82 are used to fix the pipe P, but only two binding bands 82 inserted through the side band insertion holes 14, or The band P may be fixed to the pipe P by only one binding band 82 inserted through the band insertion groove 34 and the intermediate band insertion holes 17 and 17.

  A V-shaped groove 40 is formed on the rear surface of the base board 11 and the groove entry portion 30 (see FIG. 7A). The V-shaped groove 40 extends in the lateral direction X, that is, in a direction orthogonal to the binding band 82 inserted into the side band insertion holes 14, 14 or the hose band 81 inserted into the intermediate band insertion holes 17, 17. The base board 11 is orthogonal to both sides 11S and 11S extending in the longitudinal direction Y. Further, the base extending in the center in the width direction of the V-shaped groove 40 passes through the midpoint of the both sides 11S and 11S and the center of the base board 11.

  When the device mounting adapter 10 is fixed to the pipe P, the cylindrical outer surface of the pipe P abuts against the two inclined surfaces 41 and 41 constituting the V-shaped groove 40, as shown in FIGS. The device mounting adapter 10 can be positioned with respect to the pipe P so that the V-shaped groove 40 and the axial direction of the pipe P are parallel, and the mounting state of the device mounting adapter 10 with respect to the pipe P can be stabilized. Can do.

  In the device mounting adapter 10, a claw locking protruding wall 38 that can be locked to the fixed locking claw 120 and the movable locking claw 130 provided in the electronic device 100 is provided at the tip of the groove insertion portion 30. ing. The claw locking protruding wall 38 protrudes from both ends opposite to the front end of the groove protruding portion 30 and has the same plate thickness and the same width as the DIN rail 200 of a predetermined size to which the electronic device 100 can be attached. In the present embodiment, the outer edge of the entire claw locking projection wall 38 is an octagon with four sets of parallel lines, and the fixed locking claw 120 and the movable claw 120 are movable at any position shifted in phase by 90 degrees. A claw locking protruding wall 38 is sandwiched between the locking claw 130 and the groove bottom surface 111 (step protrusion 111T). Specifically, the claw locking protruding wall 38 protrudes at right angles from the four first rectangular side surfaces 32 </ b> A provided in the groove protruding portion 30 in four directions.

  That is, in the DIN rail 200, the degree of freedom of the mounting posture of the electronic device 100 is “2”, whereas in the device mounting adapter 10 of this embodiment, the degree of freedom of the mounting posture is “4”. Compared to the DIN rail 200, the degree of freedom of the mounting posture of the electronic device 100 is higher. The groove entry portion 30 and the claw locking projection wall 38 provided at the tip of the groove entry portion 30 constitute the “DIN rail substitute protrusion” of the present invention.

  As shown in FIG. 13, the fixed locking claw 120 and the movable locking claw 130 included in the electronic device 100 are located between the step protrusion 111 </ b> T of the rail receiving groove 110, as in the case of being coupled to the DIN rail 200. The claw locking protruding wall 38 projecting in four directions from the groove protruding portion 30 is sandwiched. Specifically, one end portion 38T of the claw locking protruding wall 38 protruding from the groove protruding portion 30 is sandwiched between the fixed locking claw 120 and the stepped protruding portion 111T, and the one end portion 38T When the other end 38T protruding to the opposite side is pressed against the inclined surface 130S of the movable locking claw 130, the cantilever arm 132 is elastically deformed and the slide piece 131 is retracted from the rail receiving groove 110, and the movable locking claw 130 is moved. Retracts inside the guide hole 103. When the other end portion 38T of the claw locking projection wall 38 gets over the movable locking claw 130, the slide piece 131 moves forward toward the rail receiving groove 110 by the elastic force of the cantilever arm 132, and the movable locking claw 130 protrudes from the guide hole 103 (second groove side surface 110S), and the other end portion 38T of the claw locking protruding wall 38 is sandwiched between the movable locking claw 130 and the stepped protrusion 111T of the rail receiving groove 110. It becomes the composition which is done. In this way, the electronic device 100 can be attached to the device attachment adapter 10 by the same attachment operation as that for attachment to the DIN rail 200 (see FIGS. 11 and 12).

  In the device mounting adapter 10, a slide restricting protrusion 37 protrudes from the tip surface 31 of the groove protrusion 30. The slide restricting protrusions 37 are formed integrally with the claw locking protruding wall 38, and two pairs are formed on each end 38T of the claw locking protruding wall 38 that protrudes from the groove protrusion 30. Are provided. These slide restricting protrusions 37 are disposed at positions that are point-symmetric with respect to the center (first screw insertion hole 51) of the device mounting adapter 10. Note that the slide restricting protrusion 37 protrudes so as to gradually approach as the distance from the opening edge of the rectangular depression 35 increases.

  On the other hand, slide restricting recesses 115 </ b> A and 115 </ b> B are formed on the groove bottom surface 111 of the rail receiving groove 110 in the electronic device 100. As shown in FIG. 2, the slide restricting recesses 115 </ b> A and 115 </ b> B have a structure in which a part of the step protrusions 111 </ b> T and 111 </ b> T formed along both sides in the width direction of the rail receiving groove 110 is depressed. . Specifically, as shown in FIG. 4A, the slide restricting recess 115A is formed on both sides of the fixed locking claw 120 in the stepped protrusion 111T formed on the first groove side surface 110S side. Is formed. On the other hand, as shown in FIG. 4B, in the stepped protrusion 111T formed on the second groove side surface 110S side, the central portion in the longitudinal direction of the rail receiving groove 110 is longer than the slide restricting recess 115A. One slide restricting recess 115B is formed.

  Then, by the mounting operation described above, the end portions 38T and 38T of the claw locking protruding wall 38 that protrude from the groove protruding portion 30 on both sides are steps of the fixed locking claw 120, the movable locking claw 130, and the rail receiving groove 110. In the process of being sandwiched between the protrusions 111T, the slide restricting protrusions 37, 37 protruding from the both end portions 38T, 38T engage with the slide restricting recesses 115A, 115A, 115B. Thereby, the slide of the groove entry portion 30 in the rail receiving groove 110 is restricted, and the electronic device 100 is prevented from falling off due to the slide movement.

  Here, as shown in FIG. 11, a positioning mark 100M is attached to the center position in the longitudinal direction of the outer surface of the electronic device 100, and both sides 11S extending in the lateral direction X of the base board 11 are provided. A positioning mark 11M is also attached to the middle point of 11S. Then, both end portions 38T, 38T of the claw locking projection wall 38 are sandwiched between the fixed locking claw 120 and the movable locking claw 130 and the step projection 111T of the rail receiving groove 110, and the slide regulating projections 37, 37 are inserted. As shown in FIG. 11 (B), the positioning marks 100M and 11M coincide with each other in a state where the concave and convex portions 115A and 115B engage with the concave and convex portions (the state shown in FIG. 13 (A)). . Accordingly, when the electronic device 100 is attached to the device mounting adapter 10, the slide restricting projection 37, the positioning device 100M, and the device mounting adapter 10 are brought close to each other so that the positioning marks 100M and 11M coincide with each other. 37 and the slide restricting recesses 115A and 115B can be smoothly engaged with each other.

  Further, when the electronic device 100 is mounted in the mounting posture shown in FIGS. 12B and 13B with a phase shift of 90 degrees from the mounting posture shown in FIGS. 11B and 13A. The positioning mark 100M attached to the electronic device 100 and the bottom side of the V-shaped groove 40 of the device mounting adapter 10 coincide with each other. Therefore, when the electronic device 100 is mounted on the device mounting adapter 10 in this mounting posture, the electronic device 100 and the device mounting adapter 10 are brought closer so that the positioning mark 100M and the bottom of the V-shaped groove 40 coincide. By doing so, the slide restricting protrusions 37, 37 and the slide restricting recesses 115A, 115B can be smoothly engaged with the concave and convex portions.

  FIG. 14 shows a flow meter 90 to which the present invention is applied. The flow meter 90 is connected in the middle of the pipe P, and a flow meter main body 91 for detecting the flow rate of the fluid flowing through the pipe P, and an electronic signal processing unit connected to the flow meter main body 91 via the cable 150. A device 100 is provided. And the apparatus mounting adapter 10 mentioned above is fixed to the upper end plane of the flowmeter main body 91 with the some screw | thread 80, and the electronic device 100 is attached to this apparatus mounting adapter 10 so that attachment or detachment is possible. Here, a display unit 105 for displaying a measured value of the flow rate is provided on the front surface of the electronic device 100 opposite to the rail receiving groove 110, and the direction of the display unit 105 is phase-shifted by 90 degrees. It is possible to attach to any position where it is easy to see. Further, as shown in FIG. 9 or 10, if the device mounting adapter 10 is fixed to the pipe P, the electronic device 100 can be attached to the pipe P instead of the flowmeter main body 91.

  Thus, according to the electronic device mounting structure and the device mounting adapter 10 of the present embodiment, the claw engagement projecting to both sides from the tip of the groove insertion portion 30 protruding from the device mounting adapter 10 toward the electronic device 100. By providing a locking wall 38, both end portions 38 </ b> T and 38 </ b> T of the claw locking protruding wall 38 are locked to the fixed locking claw 120 and the movable locking claw 130 of the electronic device 100 slidably engaged with the DIN rail 200. The electronic device 100 can be attached to the device attachment member. Further, the slide restricting recesses 115 </ b> A and 115 </ b> B provided in the electronic device 100 and the slide restricting projections 37 and 37 provided in the device mounting adapter 10 are engaged with each other to form a recess and protrusion 30 in the rail receiving groove 110. The slide is regulated. That is, according to the present invention, the electronic device 100 can be mounted on both the DIN rail 200 and the device mounting adapter 10, and when mounted on the DIN rail 200, any position on the DIN rail 200 is maintained as before. On the other hand, when it is attached to the device mounting adapter 10, it can be fixed so as not to move to a predetermined position of the device mounting member. Accordingly, it is not necessary to separately prepare a non-slidable electronic device in addition to the electronic device that can slide on the DIN rail 200 as in the prior art.

  Further, when the electronic device 100 is mounted on the device mounting adapter 10, it is possible to select and mount the electronic device 100 from any of four different mounting postures whose phases are shifted by 90 degrees. Compared to the case of mounting on the rail 200, the degree of freedom of the mounting posture of the electronic device 100 is improved.

  Further, the device mounting adapter 10 can be fixed to the pipe P that is difficult to fix the DIN rail 200 by using a belt-like restraining member such as a binding band 82 or a hose band 81. The corresponding electronic device 100 can be attached to the pipe P.

[Other Embodiments]
The present invention is not limited to the above-described embodiment. For example, the embodiments described below are also included in the technical scope of the present invention, and various other than the following can be made without departing from the scope of the invention. It can be changed and implemented.

  (1) In the above embodiment, each of the end portions 38T, 38T of the claw locking projection wall 38 is provided with two slide restricting projections 37, but the center of the device mounting adapter 10 (first screw insertion) As long as they are arranged so as to be point-symmetric with respect to the hole 51), one may be provided for each end 38T, 38T of the claw locking protruding wall 38 as shown in FIG.

  (2) In the above-described embodiment, the end portion 38T of the claw locking projection wall 38 protrudes in four directions with a phase shift of 90 degrees, but the claw extends in eight directions different from the first and second rectangular side surfaces 32A and 32B. The end portion 38T of the locking projection wall 38 protrudes, and the claw locking projection wall is interposed between the fixed locking claw 120, the movable locking claw 130, and the groove bottom surface 111 at an arbitrary position shifted in phase by 45 degrees. You may comprise so that 38 may be clamped. That is, it may be configured such that an arbitrary mounting posture can be selected from eight different mounting postures whose phases are shifted by 45 degrees.

  At this time, as shown in FIG. 16A, the slide restricting protrusions 37 may be provided on all the end portions 38T of the claw locking protruding walls 38, or as shown in FIG. It may be provided only at the end portions 38T and 38T protruding from the first rectangular side surface 32A, or may be provided only at the end portions 38T and 38T protruding from the second rectangular side surface 32B as shown in FIG. Good.

  (3) In the flow meter 90 of the above embodiment, the device mounting adapter 10 is configured as a separate part from the flow meter main body 91 and screwed, but the claw locking protruding wall 38 and the slide regulating protruding portion 37 The groove entry portion 30 having the above may be formed integrally with the flow meter main body 91.

10 Equipment mounting adapter 11 Base panel 11M Positioning mark 13 Corner collar (screw fixing part)
14 Side band insertion hole (belt insertion part)
17 Intermediate band insertion hole (belt insertion part)
30 Groove entry part 34 Band insertion groove (belt insertion part)
37 Slide restricting protrusion 38 Claw locking protruding wall 40 V-shaped groove 51 First screw insertion hole 52 Second screw insertion hole 80 Screw (base fixing means)
81 Hose band (base fixing means, belt)
82 Binding band (base fixing means, belt)
90 Flow meter 91 Flow meter body 100 Electronic device 100M Positioning mark 101 Housing 110 Rail receiving groove 111 Groove bottom surface 111T, 111T Step protrusion 115A Slide restriction recess 115B Slide restriction recess 120 Fixed locking claw (second locking claw )
120K locking surface 130 movable locking claw (first locking claw)
130K Locking surface 130S Inclined surface 150 Cable 200 DIN rail 201 Locking collar P Pipe

Claims (12)

In the electronic device mounting structure for detachably mounting the electronic device to the device mounting member,
First and second locking claws that form a rail receiving groove capable of receiving a DIN rail of a predetermined size in the electronic device, and sandwich both side edges of the DIN rail between the bottom surface of the rail receiving groove. The DIN rail is slidably engageable, and an inclined surface is provided at the outer surface tip of the first locking claw, and one side edge of the DIN rail is connected to the second locking claw and the When the other side edge portion is pressed against the inclined surface while being sandwiched between the bottom surface of the groove, the first locking claw and the groove are overcome by overcoming elastic deformation of the support portion of the first locking claw. The other side edge of the DIN rail is sandwiched between the bottom and the bottom,
The device mounting member is formed with a groove insertion portion that can be received in the rail receiving groove, and a claw locking projection wall having the same thickness and width as the DIN rail of the predetermined size is formed on both sides from the front end of the groove insertion portion. Providing a DIN rail substitute protrusion that overhangs,
A slide restricting protrusion formed on the claw locking protruding wall and protruding toward the inner surface of the rail receiving groove, and formed on the rail receiving groove, the claw locking protruding wall being the first and second. A slide restricting recess that engages with the slide restricting protrusion and restricts sliding of the groove entering portion in the rail receiving groove while being sandwiched between the locking claw and the groove bottom surface. An electronic device mounting structure characterized by that. The electronic device is a signal processing unit that is connected in the middle of the pipe and connected to a flow meter body for detecting the flow rate of the fluid flowing through the pipe, and the device mounting member is the flow rate The electronic device mounting structure according to claim 1, wherein the electronic device mounting structure is a meter main body . In the electronic device mounting structure for detachably mounting the electronic device to the device mounting member,
First and second locking claws that form a rail receiving groove capable of receiving a DIN rail of a predetermined size in the electronic device, and sandwich both side edges of the DIN rail between the bottom surface of the rail receiving groove. The DIN rail is slidably engageable, and an inclined surface is provided at the outer surface tip of the first locking claw, and one side edge of the DIN rail is connected to the second locking claw and the When the other side edge portion is pressed against the inclined surface while being sandwiched between the bottom surface of the groove, the first locking claw and the groove are overcome by overcoming elastic deformation of the support portion of the first locking claw. The other side edge of the DIN rail is sandwiched between the bottom and the bottom,
A device mounting adapter is fixed to the outer surface of the device mounting member. The device mounting adapter includes a base board addressed to the outer surface of the device mounting member, and a base board for fixing the base board to the device mounting member. And a base fixing means, and the base board is formed with a projecting groove protrusion that can be received in the rail receiving groove,
Providing a DIN rail substitute projection that projects a claw locking projection wall having the same thickness and width as the DIN rail of the predetermined size on both sides from the tip of the groove projection,
A slide restricting protrusion formed on the claw locking protruding wall and protruding toward the inner surface of the rail receiving groove, and formed on the rail receiving groove, the claw locking protruding wall being the first and second. A slide restricting recess that engages with the slide restricting protrusion and restricts sliding of the groove entering portion in the rail receiving groove while being sandwiched between the locking claw and the groove bottom surface. child device mounting structure electrostatic you, characterized in that the.   The base board is provided with a screwing portion that protrudes to the side larger than the claw locking protruding wall with respect to the groove insertion portion, and a screw as the base fixing means is inserted into the screwing portion. The electronic device mounting structure according to claim 3, wherein a screw insertion hole is formed to penetrate therethrough.   The device mounting member is a pipe, and the base board is formed with a V-shaped groove that is in contact with the pipe and positioned in parallel with the axial direction of the pipe. 5. The electronic device according to claim 3, wherein a belt insertion portion is formed for allowing a belt as the base fixing means wound around the pipe to be inserted from the claw locking protruding wall to the pipe side. Mounting structure.   The alignment mark provided on both the device mounting adapter and the electronic device is made to coincide in a state where the slide restricting protrusion and the slide restricting recess are engaged with each other. The electronic device mounting structure according to any one of 3 to 5. The electronic device is a signal processing unit that is connected in the middle of the pipe and connected to a flow meter body for detecting the flow rate of the fluid flowing through the pipe, and the device mounting member is the flow rate electronic device mounting structure according to any one of claims 3 to 6, characterized in that in total body or pipe. The outer edge of the entire claw locking protruding wall is formed into a polygon having a plurality of sets of parallel lines, and the phase of the electronic device is shifted by 90 degrees with respect to the device mounting member, or the phase is shifted by 45 degrees. in any position shifted, claims 1 to 7, characterized in that said pawl engaging protruding wall between the groove bottom surface and the first and second locking pawl is configured to be clamped The electronic device mounting structure according to any one of the above. A rail receiving groove and a pair of locking claws projecting from both inner side surfaces thereof, overcoming elastic deformation of the supporting portion of the locking claw, and connecting the side edge of the DIN rail of a predetermined size to the locking claw In the device mounting adapter fixed to the device mounting member in order to detachably mount the electronic device that can be sandwiched between the rail receiving groove and the groove bottom surface of the rail receiving groove,
A base board addressed to the device mounting member;
Base fixing means for fixing the base board to the device mounting member;
A groove entry portion that protrudes from the base board and can be received in the rail receiving groove;
Claw locking protruding walls having the same plate thickness and the same width as the DIN rail of the predetermined size, projecting to both sides from the tip of the groove protruding portion,
A protrusion is formed on the claw locking projection wall, and the claw locking projection wall is sandwiched between the locking claw and the groove bottom surface. uneven engagement with features as to that equipment mounting adapter that a slide restricting projection for restricting the sliding of the groove inrush portion of the rail-receiving channel. The outer edge of the entire claw locking protruding wall is formed into a polygon having a plurality of sets of parallel lines, and the phase of the electronic device is shifted by 90 degrees with respect to the device mounting member, or the phase is shifted by 45 degrees. The device mounting according to claim 9 , wherein the claw locking protruding wall is sandwiched between the pair of locking claws and the groove bottom surface at an arbitrary position shifted from each other. Adapter. The base board is provided with a screwing portion that protrudes to the side larger than the claw locking protruding wall with respect to the groove insertion portion, and a screw as the base fixing means is inserted into the screwing portion. device mounting adapter according to claim 9 or 10 screw insertion hole for is characterized in that it is formed through. The device mounting member is a pipe, and the base board is formed with a V-shaped groove that is in contact with the pipe and positioned in parallel with the axial direction of the pipe. The belt insertion part for inserting the belt as the said base fixing means wound around the said pipe to the said pipe side from the said nail latching protrusion wall is formed, The any one of Claim 9 thru | or 11 characterized by the above-mentioned. Equipment mounting adapter as described in 1.