JP2008263058A - Mounting device of electronic equipment - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mounting device of electronic equipment that can be easily mounted and removed to and from a panel member and also achieves space saving therefor. <P>SOLUTION: In the mounting device, a key portion 25 of a second engaging member 12 for a mounting tool 2 is engaged with an engaging hole portion 6 of the electronic equipment 1 while a rear case 4 of the electronic equipment 1 is being inserted in an aperture K of a panel member P. Additionally, a first engaging member 11 is made to be in contact with a portion to be engaged 5 of the electronic equipment 1, and the mounting tool 2 is moved forward. Then, the first engaging member 11 is engaged with an element to be engaged 7 of the portion to be engaged 5 while the panel member P is being pressed between a press member 13 of the mounting tool 2 and front case 3 of the electronic equipment. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an electronic device mounting apparatus for mounting and fixing an electronic device to a panel member such as a control panel.

  Generally, a case of an electronic device such as a display, a controller, or a sensor controller (photoelectric sensor, etc.) is a front case such as a front panel, and a rear case such as a control unit that is smaller in both vertical and horizontal dimensions than the front case. The two-stage structure. To attach this electronic device to the opening of a panel member such as a control panel, attach the panel mounting plate to the rear case with the rear case inserted into the opening of the panel member, and screw the panel mounting plate to the panel member. Although the electronic device is fixed to the panel member by stopping or the like, the attaching and removing operations are complicated.

For this reason, as an example of a conventional electronic apparatus mounting apparatus, an apparatus in which a frame-shaped structure having an integral structure is attached to a rear case of an electronic apparatus and attached to a panel member is known (for example, see Patent Document 1).
JP 2004-207283 A

  However, the mounting structure of the electronic device is complicated because the mounting portion forming member is first attached to the rear case of the electronic device and the frame-shaped electronic device mounting device of the integrated structure is further attached to the rear portion. Attachment to the panel member was difficult, and the attachment work was still complicated.

  In addition, since the electronic device mounting apparatus has a one-piece frame shape, there is a problem in that the mounting space for the electronic device becomes large and space saving cannot be achieved. This is particularly problematic when a large number of electronic devices are attached to the panel member.

  An object of the present invention is to provide an electronic device mounting apparatus that solves the above-described problems and that can be easily attached to and detached from a panel member and can save space.

  In order to achieve the above object, an electronic device mounting apparatus according to the present invention includes a rear case in which an electronic device having a two-stage structure in which the vertical and horizontal dimensions of the rear case are smaller than the front case. The electronic device is attached and fixed to the panel member in a state where the electronic device is inserted into the panel member, and at least a pair of opposing side surfaces of the rear case of the electronic device are provided with a plurality of engaged members arranged in the front-rear direction. It has an engaged portion having a coupling element, an engagement hole that penetrates the side wall of the rear case, a first engagement member, a second engagement member, and a pressing member, and is separately provided on the side surface of the rear case. And the first engaging member engages with any one of the engaged elements of the engaged portion of the electronic device to prevent the fixture from moving rearwardly. A claw portion that allows movement to the second, The joint member has a key portion that is movable in the front-rear direction in the engagement hole portion of the electronic device and is immovably engaged in a direction orthogonal to the side wall, and the pressing member is in contact with the panel member. It has a contact portion, and is set so as to sandwich the panel member between the contact portion and the front case of the electronic device by the elastic force of the pressing member.

  According to this configuration, with the rear case of the electronic device inserted through the opening of the panel member, the key portion of the second engagement member of the fixture is engaged with the engagement hole portion of the electronic device, and the first engagement In the state where the joint member is applied to the engaged portion of the electronic device, the fixture is moved in the forward direction, and the panel member is pressed between the pressing member of the fixture and the front case of the electronic device. One engaging member engages with the engaged element of the engaged portion. Accordingly, the electronic device can be firmly attached to the panel members having different thicknesses, and the electronic device can be easily attached to and detached from the panel member. In addition, since the fixture is attached to the side surface of the electronic device and a frame surrounding the electronic device is not required, space saving can be achieved.

  Preferably, the engagement hole portion of the electronic device is a long hole that is long in the front-rear direction and a key that allows movement in the front-rear direction by inserting the key portion of the second engagement member. And a hole. Therefore, the second engaging member can be easily engaged with the engaged portion by inserting and moving the key portion from the key hole into the elongated hole.

  Preferably, a plurality of key holes of the engagement hole portion are provided apart in the front-rear direction, and a plurality of key portions of the second engagement member are provided apart from each other in the front-rear direction. Therefore, the fixture can be stably attached to the electronic device.

  Preferably, the engaged portion and the engagement hole portion are provided on the pair of side surfaces of the rear case, and a pair of the fixtures are arranged correspondingly, and both the fixtures have the same shape. And, they are arranged to be rotated by 180 ° with respect to the longitudinal axis. In this case, since there is only one type of fixture, the cost can be reduced. Moreover, it is good also considering the shape of both fixtures as left-right symmetry. In this case, the engaged portion and the engaging hole on the electronic device side can be made the same shape.

  Preferably, a plurality of engagement surface portions of the electronic device are provided on the side surface of the rear case so as to be spaced apart from each other in a direction orthogonal to the front-rear direction, and correspondingly, a direction in which the first engagement member of the fixture is orthogonal to the front-rear direction A plurality of them are provided apart from each other. Therefore, the fixture can be stably attached to the electronic device.

  Preferably, the fixture has a first body portion that extends in the front-rear direction and is provided with the claw portion at a tip, and applies an elastic force to the claw portion in an engagement direction. A release operation portion is provided that is operated against the elastic force of the first body portion to release the engagement between the claw portion and the engaged portion. Therefore, it becomes easy to remove the fixture.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a schematic perspective view showing an electronic apparatus mounting apparatus according to an embodiment of the present invention, and FIG. 2 is a partially enlarged view thereof. In FIG. 1, an electronic device 1 is a controller that controls, for example, a photoelectric sensor and a camera, and has a two-stage structure having a front case 3 and a rear case 4 having smaller vertical and horizontal dimensions. In a state where the rear case 4 of the electronic device 1 is inserted through the opening K of the panel member P, the fixture 2 is attached to the rear case 4 and the electronic device 1 is attached to the panel member P. The panel member P is, for example, a lid of the control panel, and the front case 3 of the electronic device 1 is exposed on the front side and the rear case 4 protrudes on the back side, and is positioned in the control panel.

  The electronic device 2 has a structure in which the fixture 2 is mounted. At least a pair of the rear case 4 facing each other, for example, a pair of left and right side surfaces (outer wall surfaces) 4a and 4b, respectively, an engaged portion 5 and an engagement hole portion are provided. 6 are provided.

  As shown in FIG. 2, the engaged portion 5 has a plurality of engaged elements 7 aligned in the front-rear direction X in the recess 10, and the front-rear direction X is formed on the side surface 4 a of the rear case 4 of the electronic device 1. A plurality, for example, two are provided in an arrangement spaced apart in the orthogonal direction (vertical direction). In this example, the engaged element 7 is a protrusion extending in the vertical direction. An engaged portion 5 (not shown) is similarly provided on the right side surface 4b.

  Further, the engagement hole 6 has a long hole 8 extending in the front-rear direction X and penetrating the side wall of the rear case 4 and a key hole 9 communicating with the upper edge of the long hole 8. A plurality of, for example, two are provided apart from X.

  1 includes a pair of upper and lower first engaging members 11, a single second engaging member 12, and a pair of upper and lower pressing members 13, one on each of the side surfaces 4 a and 4 b of the rear case 4. Installed. The fixture 2 is made of, for example, resin, and the first engaging member 11, the second engaging member 12, and the pressing member 13 are integrally formed. However, each member may be made of metal such as spring steel. Although the pair of fixtures 2 and 2 have the same shape, they are in a relationship of being rotated 180 degrees around the longitudinal axis X3, that is, in an upside down relationship. Thus, since the fixtures 2 and 2 are one kind, the cost of the fixture 2 can be reduced.

  In the left side surface 4a of the electronic device 1 in FIG. 2, the key hole 9 of the engagement hole portion 6 is provided in communication with the upper edge of the long hole 8. However, the key hole 9 is formed on the right side surface 4b (not shown). The long hole 8 is provided in communication with the lower edge. As described above, since there is only one type of fixture 2, the fixture 2 is mounted upside down on the left and right, so the key hole 9 is also upside down on the left and right. Note that the fixtures 2 and 2 may have a bilaterally symmetric shape, and in this case, the engagement hole portions 6 of the left and right side surfaces 4a and 4b have the same shape.

  The first engaging member 11 of FIG. 2 extends in the front-rear direction X with a claw portion 21 at the tip that engages with a part of the plurality of engaged elements 7 of the engaged portion 5 of the electronic device 1. The claw portion 21 has the first body portion 22 provided with the claw portion 21 at the tip, and is engaged with the engaged portion 5 by the elastic return force of the first body portion 22 itself. It is pressed in the direction of engaging with the engaged element 7 (inside the rear case 4).

  Two first engaging members 11 of the fixture 2 are arranged in the vertical direction in accordance with the two engaging surface portions 5 arranged in the vertical direction of the electronic device 1 described above. Thereby, the fixture 2 can be stably attached to the electronic device 1.

  As shown in FIG. 3, the shape of the engaged element 7 of the engaged portion 5 is such that the front inclined surface 7a has a steep angle such as 90 ° with respect to the side surface 4a, and the rear inclined The surface 7b has a gentle angle, for example 45 °. For this reason, when the fixture 2 is pushed in the front direction X1, the claw portion 21 sequentially gets over the gentle inclined surface 7b on the rear side of the engaged element 7 while bending outward (upward in FIG. 3). The tool 2 can be moved in the forward direction X1. On the other hand, the movement of the fixture 2 in the rear direction X2 is prevented because the claw portion 21 bites into the steep inclined surface 7a on the front side of the engaged element 7.

  The plurality of engaged elements 7 of the engaged portion 5 of the electronic device 1 shown in FIG. 2 is set to a predetermined number according to the thickness of the panel member P. Therefore, the fixture 2 can correspond to the panel member P of many kinds of thickness. Further, a release for releasing the engagement of the first engagement member 11 to be described later is provided on the opposite side of the claw portion 21 at the tip of the first engagement member 11 of the fixture 2 (outside the electronic device 1). An operation unit 23 is provided.

  The second engaging member 12 is provided so as to protrude to the inside of the body 20 (on the electronic device 1 side) and to be inserted into the elongated hole 8 penetrating the side wall 40 of the electronic device 1. The protrusion 24 is movable along the front end of the protrusion 24 and is inserted into the key hole 9 to engage the back surface of the side wall 40 by moving the fixture 2 in the forward direction X1. The projecting portion 24 and the key portion 25 have an L-shape as shown in FIG. 4. With the key portion 25 engaged with the back surface of the side wall 40, the first main body portion 22 in FIG. 3 is bent and the claw portion 21 is pressed against the engaged element 7 by the elastic return force of the first main body portion 22. Engage. Further, the elastic restoring force causes a reaction force from the electronic device 1 to act outward (left side in FIG. 4) on the entire fixture 2, so that the key portion 25 is pressed against the back surface of the side wall 40. As shown in FIG. 4, the body portion 20 and the key portion 25 sandwich the side wall 40 of the rear case 4, and the fixture 2 can move in the front-rear direction X, but cannot move in the lateral direction Y. Become.

  In accordance with the two key holes 9 spaced apart in the front-rear direction X of the electronic device 1 in FIG. 2 described above, the two engagement members 12 of the fixture 2 have two key portions 25 in the front-rear direction X. Are spaced apart from each other. Thereby, the fixture 2 can be stably engaged with the electronic device 1.

  The pressing member 13 of the fixture 2 includes an arm portion 26 that extends in the vertical direction from the base portion of the first engagement member 11, and a contact portion 27 that is provided at the tip of the arm portion 26 and abuts the panel member P. The contact portion 27 is pressed against the panel member P by the elastic return force of the arm portion 26 in a state in which the fixture 2 is mounted at a predetermined position of the electronic device 1.

  5A and 5B show the attachment state of the attachment device for the electronic device 1. FIG. The fixture 2 is supported by the rear case 4 of the electronic device 1 shown in FIG. 5A so as not to move in the lateral direction Y by the second engagement member 12 as shown in FIG. 5B. 13 until the abutting portion 27 presses the panel member P, and the movement in the rear direction X2 is prevented by the engagement between the claw portion 21 of the first engaging member 11 and the engaged element 7. Thus, this pressed state is maintained. Thereby, the panel member P is clamped between the pressing member 13 and the front case 3 of the electronic device 1, and the electronic device 1 is firmly attached to the panel member P.

  The operation at the time of attaching and detaching the electronic device 1 by the fixture 2 having the above configuration will be described below. The fixture 2 may be sequentially attached to and removed from the side surfaces 4a and 4b of the electronic device 1, or may be attached and detached at the same time.

(When installed)
First, the rear case 4 of the electronic device 1 is inserted into the opening K of the panel member P in FIG. 1 from the front side of the panel member P, and the fixture 2 is attached to both side surfaces 4a and 4b of the rear case 4. When mounting the fixture 2, the body portion 20 of the second engagement member 12 shown in FIG. 2 is grasped with a finger, and the key portion 25 and the key hole 9 of the engagement hole portion 6 of the electronic device 1 are matched. In this state, by pushing the fixture 2 in the forward direction X1, the key portion 25 is engaged with the inner surface of the side wall 40 at the upper edge of the long hole 8 away from the key hole 9, and the second engagement member 12 is electronic. The device 1 is engaged so as not to move outward in the lateral direction Y. At the same time, the claw portion 21 of the first engagement member 11 and the engaged element 7 of the electronic device 1 are engaged. At this time, the first engagement member 11 is set to be bent outward by the engagement between the second engagement member 12 and the electronic device 1, and as a result, the claw portion 21 is pressed against the engaged element 7. Engage.

  In this state, the claw portion 21 is prevented from moving in the rearward direction X2 by the engaged element 7, and the pressing member 13 presses the panel member P against the front case 3 of the electronic device 1 so that the electronic device 1 can be The member P is firmly attached. Positioning of the fixture 2 in the vertical direction (vertical direction) Z is performed by restricting the protruding piece portion 24 of the second engagement member 12 to the elongated hole 8 of the engagement hole portion 6 at the upper and lower edges.

(When removing)
First, when the nail | claw part 21 is pulled up from the to-be-engaged element 7 of the electronic device 1 by pushing up the cancellation | release operation part 23 of the 1st engagement member 11 of the fixture 2 with a finger | toe, the 1st engagement member 11 is pulled up. And the electronic device 1 are disengaged. In this state, the fixture 2 is moved in the rearward direction X2, and the second engagement member is located at a place where the key portion 25 of the second engagement member 12 matches the key hole 9 of the engagement hole portion 6 of the electronic device 1. By removing the twelve key portions 25 from the key holes 9, the fixture 2 is removed from the electronic device 1.

  Thus, according to the present invention, the electronic device 1 is attached to the panel member P by sandwiching the panel member P between the pressing member 13 of the fixture 2 and the front case 3 of the electronic device 1. As described above, unlike the case where the mounting structure is complicated due to the frame shape of the integral structure and the mounting to the panel member is difficult, the mounting and dismounting to the panel member P is easy, and there is no frame body. Therefore, space saving is possible.

  In this embodiment, the two fixtures 2 are arranged on the left and right side surfaces 4a and 4b of the electronic device 1 and the electronic device 1 is attached and fixed, but may be attached on the upper and lower side surfaces. Moreover, you may make it attach with the four attachment apparatuses 2 by four right-and-left upper and lower side surfaces as needed. Further, a plurality of fixtures 2 may be mounted on one side.

  In this embodiment, a plurality of key holes 9 of the electronic device 1 are provided, and a plurality of key portions 25 of the second engagement member 12 of the attachment device 1 are provided correspondingly. Good.

  Moreover, although the to-be-engaged part 5 of the electronic device 1 is provided with two or more by the side surface of the rear case 4, and the 1st engaging member 11 of the attachment apparatus 2 is provided corresponding to this, one each may be sufficient. .

  In this embodiment, a photoelectric sensor / camera controller is illustrated as an electronic device, but the present invention is not limited to this, and the detector, measuring instrument, display, power supply unit (amplifier) thereof, and the like are also included. The present invention can be applied.

It is a schematic perspective view which shows the attachment apparatus of the electronic device which concerns on one Embodiment of this invention. It is the elements on larger scale of FIG. It is a side view which shows the engagement state of a 1st engagement member and a to-be-engaged part. It is a partial cross section figure which shows the engagement state of a 2nd engagement member and an engagement hole part. (A) is a perspective view which shows the attachment state of the attachment apparatus of an electronic device, (B) is the side view.

Explanation of symbols

1: Electronic device 2: Mounting tool 3: Front case 4: Rear case 5: Engagement portion 6: Engagement hole portion 7: Engagement element 8: Long hole 9: Key hole 11: First engagement member 12: 2nd engaging member 13: Pressing member 21: Claw part 22: 1st main-body part 23: Release operation part 24: Projection piece part 25: Key part 26: Arm part 27: Contact part 40: Side wall K: Opening P: Panel member

Claims (7)

An electronic device for attaching and fixing the electronic device to the panel member in a state in which the rear case of the electronic device having a two-stage structure in which the rear case is smaller in both vertical and horizontal dimensions than the front case is inserted into the opening of the panel member. An attachment device,
An engaged portion having a plurality of engaged elements arranged in the front-rear direction provided on each of at least a pair of side surfaces facing each other of the rear case of the electronic device, and an engagement hole penetrating the side wall of the rear case And a first engagement member, a second engagement member, and a pressing member, each having a fixture that is separately attached to the side surface of the rear case,
The first engaging member engages with any one of the engaged elements of the engaged portion of the electronic device to prevent the fixture from moving backward and allow the forward movement. Have
The second engagement member has a key portion that is movable in the front-rear direction in the engagement hole portion of the electronic device and is immovably engaged in a direction orthogonal to the side wall,
The pressing member has an abutting portion that abuts on the panel member, and is set so as to sandwich the panel member between the abutting portion and the front case of the electronic device by the elastic force of the pressing member. An electronic device mounting apparatus. In claim 1,
The engagement hole portion of the electronic device has a long hole extending in the front-rear direction, and a key hole communicating with the long hole, allowing the key portion of the second engagement member to be inserted and allowing movement in the front-rear direction. A mounting apparatus for electronic equipment. In claim 2,
A plurality of key holes of the engagement hole portion are provided apart in the front-rear direction, and correspondingly, a plurality of key portions of the second engagement member are provided apart in the front-rear direction. Mounting device. In any one of Claims 1-3,
The engaged portion and the engaging hole portion are provided on the pair of side surfaces of the rear case, and correspondingly, a pair of the fixtures are arranged, both fixtures have the same shape, and An electronic device mounting apparatus that is disposed 180 degrees apart from each other about a longitudinal axis. In any one of Claims 1-3,
The electronic device, wherein the engaged portion and the engaging hole portion are provided on the pair of side surfaces of the rear case, and a pair of the fixtures are arranged correspondingly, and the shapes of both fixtures are symmetrical. Mounting device. In any one of Claims 1-5,
A plurality of the engaged portions are provided on the side surface of the rear case so as to be spaced apart from each other in a direction orthogonal to the front-rear direction. Correspondingly, the first engaging member of the fixture is spaced apart in the orthogonal direction. A plurality of electronic device mounting devices. In claim 1,
The fixture has a first body portion that extends in the front-rear direction and is provided with the claw portion at a tip thereof, and applies an elastic force to the claw portion in an engagement direction. The first body portion includes a first body portion. An electronic apparatus mounting device provided with a release operation section that is operated against an elastic force of the section to release the engagement between the claw section and the engaged section.

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