JP2019176027A - Attachment structure of led lens - Google Patents

Abstract

To provide an attachment structure of LED lens which facilitates attachment of LED lens, while simplifying attachment work.SOLUTION: An attachment structure of LED lens includes an upper case 2 having an opening 2a, a control board 5 supported in the upper case 2, and to which multiple LEDs 7 are attached, and an LED lens 8 attached to an attachment part 9 provided at the felly of the opening 2a of the upper case 2. The attachment part 9 has multiple shield plates 10 juxtaposed along the felly of the opening 2a, and a bearing part 11 provided continuously along the felly on the multiple shield plates 10. The LED lens 8 has multiple light guide pieces 8a for guiding the light of the multiple LEDs 7 individually, a coupling part 8c for coupling the multiple light guide pieces 8a, and a shank 8b pivoted by the bearing part 11 and connected with the coupling part 8c so as to form an enclosure not interfering with the multiple shield plates 10 between the coupling part 8c and the shank.SELECTED DRAWING: Figure 3

Description

  The present invention relates to an LED lens mounting structure that is mounted on a housing of an electronic device having LEDs.

  Usually, electronic devices and network devices have their LED lighting status (lighted, blinking, extinguished, etc.) The user can recognize the difference (red lighting, blue lighting, etc.).

  In the illumination of these LEDs, the LEDs are not directly exposed from the casing, but the light emitted from the LEDs mounted on the substrate is often guided by the LED lens and illuminated outward. And when exposing the light of several LED to the exterior, it is known to carry out by one LED lens which integrally formed several light guide part corresponding to each LED (for example, patent document 1). reference).

  Patent Document 1 discloses a lens hole formed for the number of LEDs in the middle in the height direction of a lower case of an electronic device, a light shielding piece formed so that light from each LED does not leak, and each light An LED lens mounting structure is disclosed that includes a groove provided above a shielding piece and an LED lens in which a plurality of light guide portions are connected by a connecting portion, and the connecting portion is engaged with the groove.

  However, in Patent Document 1, the lens portion of the LED lens must be fitted into the lens hole, and the connecting portion of the LED lens must be fitted into the grooves formed in all the light shielding pieces. There is a problem that the workability becomes complicated.

JP 2012-230998 A

  The present invention has been made in view of the above problems, and an object of the present invention is to provide an LED lens mounting structure that facilitates mounting of an LED lens and simplifies mounting work.

In order to solve the above-described problems, the present invention is grasped by the following aspects.
(1) An aspect according to the present invention is provided on an upper case having an opening, a control board supported in the upper case and having a plurality of LEDs attached thereto, and an outer edge of the opening of the upper case. An LED lens attached to the attachment portion, and the attachment portion is provided in a row along the outer edge on the plurality of shielding plates, and a plurality of shielding plates arranged in parallel along the outer edge of the opening. The LED lens includes a plurality of light guide pieces for individually guiding the light of the plurality of LEDs, a connection part for connecting the light guide pieces, and the bearing part. A shaft portion that is pivotally supported and has the shaft portion that is connected to the connecting portion so as to form an enclosed portion that does not interfere with the plurality of shielding plates between the connecting portion and the connecting portion. .

(2) In the configuration described in (1) above, the LED lens has a pair of engaging portions that are engaged at both ends so as to cover the shielding plates at both ends when attached to the attaching portion.

(3) In the configuration described in (1) or (2) above, the LED lens receives light from the plurality of LEDs at a first end of the plurality of light guide pieces and is separated from the first end. In the position, the plurality of light guide pieces are connected by the connecting portion.

  According to the present invention, it is possible to provide an LED lens mounting structure that facilitates mounting of the LED lens and simplifies the mounting operation.

1 is a perspective view of an electronic device according to an embodiment of the present invention. FIG. 2 is a six-sided view of the electronic device of FIG. 1, wherein (a) is a bottom view, (b) is a rear view, (c) is a top view, (d) is a front view, and (e) is a left side. (F) shows a right side view. It is a disassembled perspective view which shows the back surface of an electronic device, Comprising: An upper case, a base member, and an LED lens are disassembled and shown. It is an LED lens, (a) shows a front view, (b) shows a top view, (c) shows a back view, and (d) shows a bottom view. It is a bottom view shown in the state where the back of electronic equipment was opened, and shows the state where an LED lens was attached. It is the sectional view on the AA line in FIG. The perspective view of the locking plate attached to an electronic device is shown.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals denote the same or corresponding parts. The present invention is not limited to these embodiments as will be apparent from the following description, and various modifications can be made by those skilled in the art within the scope of the gist of the invention.

(Electronics)
First, the overall configuration of the electronic apparatus according to the present embodiment will be described with reference to FIGS. 1 and 2. FIG. 1 is a perspective view of an electronic device. FIG. 2 is a six-sided view of an electronic device, where FIG. 2A is a bottom view, FIG. 2B is a rear view, FIG. 2C is a top view, and FIG. FIG. 2E shows a left side view, and FIG. 2F shows a right side view. The electronic device is, for example, various electronic devices (for example, a router) configuring a network, but is not limited to one used for a specific application.

  As shown in FIG. 1, the electronic device is configured by housing various electronic members inside a housing 1. The housing 1 includes an upper case 2 and a base member 3 that covers the opening 2a (see FIG. 3) of the bottom surface 2A of the upper case 2. Details of the housing 1 are as shown in FIG. 2, and a front surface 2C (FIG. 2 (d)) of the housing 1 has a display unit 2C1 (here, “DISK”, “INFO” indicating the operating state of the electronic device). ”,“ STATUS ”, and“ POWER ”are shown). On the back surface 2B (FIG. 2B), a power switch 2B1, a LAN terminal 2B2, a USB terminal 2B3, and the like are provided, and the upper case 2 and the base member 3 are locked via a locking plate 6 (not shown). Is provided with a fitting hole 2c for locking. As the locking device, a wire lock having a locking portion formed on a T-shaped shaft is preferably used.

  The opening 2a of the bottom surface 2A (FIG. 2A) of the upper case 2 is provided with a base for enabling a storage device (for example, SSD) mounted in the housing 1 to be attached or detached. The member 3 is detachably covered. Legs 13 are provided at the four corners of the base member 3. As described above, the base member 3 is locked by the locking tool together with the upper case 2 via the locking plate 6, and the mounting of the locking plate 6 will be described later.

(Internal structure of housing)
The internal structure of the housing 1 will be described with reference to FIG. FIG. 3 shows an exploded perspective view of the housing 1 as seen from the back side. Although FIG. 3 shows an example in which the space substantially corresponding to the bottom surface 2A of the upper case 2 is the opening 2a and the opening 2a is covered with the base member 3, the opening 2a and the base member are shown. 3 may be provided partially with respect to the bottom surface 2A. In FIG. 3, the symbol “2a” is used to represent the opening 2a.

  A control board 5 on which various electronic components are mounted is mounted inside the upper case 2. The control board 5 is close to the inner wall 2 b on the front surface 2 </ b> C side of the upper case 2, and the power source of the electronic device And a plurality of LEDs 7 for displaying the status of the network. The light emitted from the plurality of LEDs 7 is recognized from the outside via the display unit 2C1 described above.

  An LED lens 8 for guiding the light emitted from the plurality of LEDs 7 to the outside can be attached to the outer edge of the opening 2a of the inner wall 2b of the upper case 2 (in the vicinity of the lower end of the electronic device during normal use). A mounting portion 9 is formed. The mounting portion 9 includes a plurality of shielding plates 10 (here, six examples are illustrated) arranged in parallel along the outer edge of the opening 2a, and a cross-section that is continuously provided along the outer edge on the plurality of shielding plates 10. The bearing portion 11 has a concave shape. Hereinafter, among the shielding plates 10 at both ends, the left side in the figure is referred to as a shielding plate 10a, and the right side in the figure is referred to as a shielding plate 10b. A gap 10d is formed between the plurality of shielding plates 10.

  The LED lens 8 is integrally formed so that a plurality of light guide pieces 8a (here, six examples are illustrated) are arranged side by side, and a shaft portion 8b that is pivotally supported by the bearing portion 11 And a plurality of supporting portions 8e (here, five examples are shown) that connect the shaft portion 8b and the connecting portion 8c. Furthermore, an engagement portion 8d1 on the left side in the drawing and an engagement portion 8d2 on the right side in the drawing are formed at both ends of the LED lens 8 so as to cover each of the shielding plate 10a and the shielding plate 10b.

(LED lens)
Here, the LED lens 8 will be described in more detail with reference to FIG. 4 (a) is a front view of the LED lens 8, FIG. 4 (b) is a top view, FIG. 4 (c) is a back view, and FIG. 4 (d) is a bottom view. Yes.

  In the LED lens 8, as shown in FIG. 4A, an outer frame structure is formed by connecting a shaft portion 8b, a pair of engaging portions 8d1 and 8d2, and a connecting portion 8c in an annular shape. The support portion 8e connects the shaft portion 8b and the connecting portion 8c to maintain the strength of the LED lens 8, and the support portion 8e attaches the LED lens 8 to the attachment portion 9 of the upper case 2 as described later. Contributes to positioning when mounting.

  The two support portions 8e adjacent to the shaft portion 8b and the connecting portion 8c form an enclosing portion 12 as a space surrounded by them. Similarly, the shaft portion 8b and the connecting portion 8c, the left engaging portion 8d1 and the supporting portion 8e in the figure are the enclosing portion 12a, and the shaft portion 8b and the connecting portion 8c are the right engaging portion 8d2 and the supporting portion 8e in the drawing. Enclosures 12b are formed respectively. Each of the engaging portions 8d1 and 8d2 is a cavity that communicates with the surrounding portions 12a and 12b. These enclosing portions 12, 12a, 12b enclose the shielding plates 10, 10a, 10b when the LED lens 8 is attached to the attaching portion 9 of the upper case 2, as will be described later.

  Light emitted from the LED 7 is incident from the first end 8a1 (lower end in the figure) of the light guide piece 8a, and is irradiated to the outside from the second end 8a2 (upper end in the figure) via the display unit 2C1. The connecting portion 8c connecting the plurality of light guide pieces 8a is an upper portion of the light guide piece 8a in the drawing, that is, a position away from the first end 8a1 where the light emitted from the LED 7 is incident, that is, the light is weakened. Formed at different positions.

  In addition, although four displays were illustrated as the display part 2C1 in FIG.1 and FIG.2 (d), while six light guide pieces 8a are illustrated in FIG.3 and FIG.4, this remains. The two light guide pieces 8a are an example provided in a preliminary manner, and there is no limitation on the number of them when the present embodiment is applied.

(LED lens mounting structure)
The mounting structure of the LED lens 8 according to this embodiment will be described using the above configuration. First, the LED lens 8 is mounted on the mounting portion 9 of the upper case 2 in the state shown in FIG. That is, the enclosing portion 12a of the LED lens 8 is located at the position of the shielding plate 10a of the mounting portion 9, the enclosing portion 12b is located at the same position of the shielding plate 10b, and the plurality of support portions 8e are also located at the positions of the plurality of gaps 10d. The shaft portion 8 b of the LED lens 8 is placed on the bearing portion 11 of the mounting portion 9 so as to come to the point.

  Then, in this state, the light guide piece 8a of the LED lens 8 is rotated approximately 90 degrees inward of the upper case 2 around the shaft portion 8b, and the state shown in FIG. At this time, since the protruding engaging portions 8d1 and 8d2 can be used as a knob, the rotation can be performed smoothly. FIG. 5 shows this state in relation to the upper case 2. As shown in FIG. 5, by rotating 90 degrees, the engaging portions 8d1 and 8d2 of the LED lens 8 are engaged by covering the shielding plates 10a and 10b at both ends of the mounting portion 9 in the cavity, The support portion 8 e of the LED lens 8 is fitted into the gap 10 d of the attachment portion 9. When rotating, the LED lens 8 does not interfere with the shielding plates 10, 10a, 10b by the enclosures 12, 12a, 12b and rotates smoothly.

  FIG. 6 is a cross-sectional view taken along line AA in FIG. 5 as one cross-section in this state. As shown in FIG. 6, the first ends 8 a 1 of the plurality of light guide pieces 8 a of the LED lens 8 are positioned above the respective LEDs 7 provided on the control board 5. The second end 8a2 of the light guide piece 8a is positioned inside the display portion 2C1 provided on the front surface 2C of the upper case 2.

  As described above, the LED lens 8 can be attached to an accurate position only by rotating the shaft portion 8b on the bearing portion 11 of the attachment portion 9. However, the bearing portion 11 is attached to the outer edge of the opening 2a of the upper case 2 (see FIG. Therefore, it is very easy to align the LED lens 8 with the mounting portion 9.

  Further, by rotating the LED lens 8 around the shaft portion 8b to the inside of the upper case 2, the engaging portions 8d1 and 8d2 are engaged with the shielding plates 10a and 10b at both ends. Even if tilted, the LED lens 8 does not come off the upper case 2. And when it is necessary to remove, since it is not necessarily fixed with a screw | thread, adhesion | attachment, etc., it can remove easily.

  Furthermore, the connection part 8c is formed in the upper part of the light guide piece 8a. That is, since the connecting portion 8c is formed at a position where the light emitted from the LED 7 is weakened, it is possible to prevent illumination from leaking from the gap 10d between the connecting portion 8c and the shielding plate 10.

  A storage device (for example, an SSD) (not shown) mounted inside the housing 1 can be attached to or detached from the bottom surface 2A (FIG. 2A) of the upper case 2 of the housing 1. An opening 2a is provided for this purpose. The base member 3 is attached to the opening 2 a and is locked by a locking tool (not shown) together with the housing 1 through the locking plate 6. The base member 3 is provided with an insertion hole 3b having a protrusion 3c and a rectangular insertion hole 3a at a position facing the back surface 2B when viewed from the insertion hole 3b.

(Locking plate)
Here, the locking plate 6 will be described with reference to FIG. As shown in FIG. 7, the locking plate 6 is formed in a U shape in a side view, and includes a first surface 6a, a second surface 6b facing the first surface 6a, a first surface 6a, and a second surface. It is comprised from the 3rd surface 6c which connects the surface 6b. In this example, the first surface 6a is short and the second surface 6b is long. The locking plate 6 is formed of a sheet metal having a certain strength.

  An engaging hole 6d that engages with the protrusion 3c of the insertion hole 3a of the base member 3 overlaps the first surface 6a of the locking plate 6, and the fitting hole 2c of the back surface 2B of the upper case 2 overlaps the second surface 6b. A first locking hole 6e and a second locking hole 6f (selectively used depending on when locking to a single electronic device or when stacking and locking a plurality of electronic devices) A first mounting hole 6h and a second mounting hole 6i used for screwing the base member 3 are provided on the surface 6c.

  The first mounting hole 6h and the second mounting hole 6i on the third surface 6c may be either one, preferably one of the second mounting holes 6i on the side close to the second surface 6b. Further, the width of the third surface 6c may be partially longer than the long diameter of the insertion hole 3a so that the locking plate 6 does not fall into the upper case 2 from the insertion hole 3a of the base member 3. In FIG. 2 (a), only the second mounting hole 6i is provided, and the locking plate 6 having a mode in which the width of the third surface 6c is partially longer than the long diameter of the insertion hole 3a is used.

  As shown in FIG. 2A, the locking plate 6 configured as described above has a first surface 6 a inserted into an insertion hole 3 a provided in the base member 3, and a second surface 6 b formed in the base member 3. It is inserted into the provided insertion hole 3b. Then, the third surface 6c is screwed to the base member 3 through the second mounting hole 6i by the screw 4 which is a fastening means.

  In addition, in FIG. 7, the example which further provided the inclination part 6g extended inside from the front-end | tip of the 1st surface 6a is shown. The inclined portion 6g takes into consideration that a plurality of electronic devices are stacked and hooked into the insertion hole 3a when the engagement hole 6d cannot be engaged with the protrusion 3c of the insertion hole 3a.

  Although the embodiments have been described above, the present invention is not limited to the specific embodiments and includes various modifications, which are claimed by those skilled in the art. It is clear from the description of the range.

1 ... Case (electronic equipment)
2 ... Upper case, 2A ... Bottom, 2B ... Back, 2C ... Front 2a ... Opening, 2b ... Inner wall, 2c ... Fitting hole 3 ... Base member 3a, 3b ... Insertion hole, 3c ... Projection 4 ... Screw 5 ... Control Substrate 6 ... locking plate, 6a ... first surface, 6b ... second surface, 6c ... third surface, 6d ... engagement hole, 6e ... first locking hole, 6f ... second locking hole, 6g ... inclined portion, 6h ... 1st mounting hole, 6i ... 2nd mounting hole 7 ... LED
DESCRIPTION OF SYMBOLS 8 ... LED lens, 8a ... Light guide piece, 8b ... Shaft part, 8c ... Connection part, 8d1, 8d2 ... Engagement part (at both ends), 8e ... Support part 9 ... Mounting part 10 ... Shielding plate, 10a, 10b ... Shielding plates (at both ends), 10d ... gap 11 ... bearing portion 12 ... enclosure, 12a, 12b ... enclosure (at both ends) 13 ... legs

Claims (3)

An upper case having an opening;
A control board supported inside the upper case and having a plurality of LEDs mounted thereon;
An LED lens attached to an attachment portion provided at an outer edge of the opening of the upper case, and
The mounting portion includes a plurality of shielding plates arranged in parallel along the outer edge of the opening, and a bearing portion provided continuously along the outer edge on the plurality of shielding plates,
The LED lens includes a plurality of light guide pieces that individually guide light of the plurality of LEDs, a connection portion that connects the plurality of light guide pieces, and a shaft portion that is pivotally supported by the bearing portion. An LED lens mounting structure comprising: the shaft portion connected to the connecting portion so as to form an enclosed portion that does not interfere with the plurality of shielding plates between the connecting portions.   2. The LED lens according to claim 1, wherein the LED lens has a pair of engaging portions that are engaged at both ends so as to cover the shielding plates at both ends when attached to the attaching portion. Mounting structure.   In the LED lens, the light of the plurality of LEDs is incident on a first end of the plurality of light guide pieces, and the plurality of light guide pieces are connected by the connecting portion at a position separated from the first end. The LED lens mounting structure according to claim 1 or 2.