JPH0846241A - Positioning spacer structure for light-emitting diode - Google Patents

Abstract

PURPOSE:To arrange a light-emitting diode in an arbitrary position from a substrate, irrespective of the lead length of the light-emitting diode. CONSTITUTION:Penetrating holes 10 are formed in a spacer body 7. Conductive pipes 11 are fitted into the penetrating holes 10, and made to protrude from the lower surface of the spacer body 7. The protruding parts are made to engage with the pipe 11 upper parts of the connected spacer body 7 and electrically connected. In this state, the spacers 7 are so formed that multistage stacking up to a desired height is enabled.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic device having a light emitting diode (hereinafter abbreviated as LED) LE
The present invention relates to a LED positioning spacer structure for installing D at a desired position.

[0002]

2. Description of the Related Art FIG. 9 is a perspective view showing a structure of a conventional example using a post. In the figure, 1 is a substrate and 2 is a post. The post 2 is attached to the substrate 1 by screws or other means, and the sub substrate 3 is similarly attached to the upper end of the post 2. An LED 4 is installed on the sub-board 3 and the board 1 and the sub-board 3 are connected by a connector or other means.

In this way, the LED 4 is mounted at the desired height L.
It can be localized to 1. FIG. 10 is a perspective view showing a structure using a conventional spacer. In the figure, 5 is a conventional spacer body, which is to be mounted on the substrate 1. Further, by mounting the LED 4 on the spacer body 5, the LED is localized at the desired height.

Since the lead 6 of the LED 4 penetrates the interior of the spacer body 5 and is soldered to the substrate 1, the height L2 of the spacer body 5 must be lower than the length of the lead 6.

[0005]

According to the above configuration,
When a post is used to orient the LED at a predetermined height, screws and other parts for fixing the post are required, and the number of parts increases, resulting in an increase in weight and an increase in assembly man-hours. However, there is a problem that it leads to cost increase.

Further, when the conventional spacer body is used, since the LED needs to be connected to the substrate by its lead, the height L2 of the spacer body must be less than the length of the lead. There is a problem in that it may not be possible to install at a desired height.

[0007]

A through hole is formed in a spacer body, an energizable pipe is fitted into the through hole, and the pipe is projected on the lower surface of the spacer body.
It is characterized in that the spacer main body is formed so that it can be stacked in multiple stages up to a desired height in a state where the spacer main body is fitted and electrically connected to the upper portion of the pipe of another connected spacer main body.

[0008]

[Function] The portion of the pipe protruding from the lower surface of the spacer body is fitted into the through hole of the substrate, and the spacer body is used in only one step, or the upper portion of the spacer body of the pipe is attached to the lower portion of the pipe of the other spacer body. Place the spacer body so that the protruding parts fit together and the upper and lower pipes are electrically connected, and similarly stack the spacer bodies until the desired height from the substrate is reached, and then the multi-stage Leave.

Next, the LED lead is inserted from the pipe of the uppermost spacer body, and the lead, the pipe, and the substrate are electrically connected by soldering, whereby the LED is
Will function in a state where it is oriented at the desired height from the substrate.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. First Embodiment FIG. 1 is an explanatory view of the structure of a spacer of this embodiment, and FIG.
Shows a sectional view taken along the line AA of FIG. In the figure, 7 is a spacer body of this embodiment, and a positioning projection 8 is provided on the upper portion.
Since the positioning recesses 9 are formed in the lower portions, the positioning protrusions 8 of the lower spacer body 7 are fitted into the positioning recesses 9 of the upper spacer body 7 when a plurality of spacer bodies are stacked and used. And can be fixed.

A plurality of through holes 10 are provided so as to penetrate the spacer body 7. This embodiment shows a case where four through holes 10 are provided, and the distance between vertically and horizontally adjacent through holes 10 is set so that the two leads 6 from the LED 4 can be inserted. This allows the LED 4 to be installed vertically or horizontally. In this embodiment, the pair of through holes 10 are arranged side by side in the vertical and horizontal directions. However, this is not limited to the vertical and horizontal directions.
The LED 4 can be installed in any direction.

Reference numeral 11 denotes a pipe, which can be energized and is fitted into the through hole 10. In this embodiment, the pipe is solder-plated so that it can be energized. The pipe 11 is installed at the lower part of the spacer body 7 so that the end thereof projects, and in this embodiment, it is about 1 m.
It is projected. In addition, the inner diameter D1 at the upper end of the pipe 11 is larger than the outer diameter D2 at the lower end of the pipe 11, and when a plurality of spacer bodies 7 are stacked, the lower portion of the pipe 11 of the upper spacer body 7 is positioned below the lower spacer body 7. It is formed so as to be fitted on the upper part of the pipe 11 so as to obtain an electrical connection.

When the spacer body 7 is connected to the substrate, the lower portion of the pipe 11 is fitted into a through hole (not shown) of the substrate, which will be described later, so that the circuit on the substrate and the pipe 11 are electrically connected. Can be connected. In this embodiment, a plurality of spacer main bodies 7 are formed in a connected state, and a notch 12 is provided at the boundary between the spacer main body 7 and the spacer main body 7 adjacent thereto. Since the spacer bodies 7 can be easily cut at the notches 12, the spacer bodies 7 can be cut while being used in an arbitrary number of connected states.

The spacer main bodies 7 thus obtained are stacked and used until a desired thickness is obtained. FIG. 3 is an exploded perspective view of this embodiment, and FIG. 4 is a perspective view of this embodiment. In the figure, reference numeral 1 denotes a substrate, and the lower portion of the pipe 11 of the spacer body 7 is fitted into a through hole (not shown) of the substrate 1 to fix the spacer body 7 on the substrate 1.

At this time, it is advisable to cut the part of the pipe 11 which is not necessary, from the part of the pipe 11 projecting from the lower surface of the spacer body 7. The spacer main body 7 is used in a multi-layered structure, but may be used in a single layer in some cases. In this embodiment, the spacer main body 7 is further placed on the spacer main body 7 installed on the substrate 1 to form two layers. Shows the case.

Since the joined pipes 11 are electrically connected to each other, the leads 6 of the LEDs 4 are inserted into the pipes 11 and soldered, so that the LEDs 4 are connected to the leads 6, the solder and the pipes 11 of the through holes 10. It is in a state of being electrically connected to the substrate 1 via the. When the above-mentioned soldering is performed by solder dipping, the solder is filled into the pipe 11 from the through holes of the substrate 1 by the capillary phenomenon, and the electrical connection can be easily obtained.

In this way, the LED 4 can be localized at a desired height while maintaining the same performance as when the leads 6 are directly connected to the substrate 1. As described above, since the pipes 11 are electrically connected to each other, and the pipes 11 are also electrically connected to the substrate 1, a post, a sub substrate, or the like is used regardless of the length of the lead 6. Without LE
D4 can be installed at the desired height.

The LEDs 4 can be installed at various heights by adjusting the number of spacers 7 to be stacked. Second Embodiment FIG. 5 is an explanatory view of a spacer structure of this embodiment, and FIG. 6 is a sectional view taken along line BB of FIG.

In the figure, 13 is a spacer body of this embodiment, which is characterized in that an accommodating portion 14 for accommodating the LED 4 is provided. In the present embodiment, the LEDs 4 are mounted on the substrate 1 in parallel or at an angle close to parallel, and the storage section 14 allows the LEDs 4 to be three-dimensionally installed in multiple stages. The positioning protrusion 8 protrudes from the upper part of the spacer body 13 and the positioning recess 9 is formed on the lower surface. It is possible to fit and fix the positioning protrusion 8 of the spacer body 13 that is formed.

Reference numeral 11 denotes a pipe, which can be energized and is fitted into the through hole 10 penetrating the spacer body 13. In this embodiment, the pipe 11 is solder-plated so that it can be energized. The pipe 11 is installed at the lower part of the spacer body 13 so that the end thereof projects. The inner diameter at the upper end of the pipe 11 is larger than the outer diameter at the lower end of the pipe 11, and when a plurality of spacer bodies 13 are stacked, the lower portion of the pipe 11 of the upper spacer body 13 is connected to the pipe 1 of the lower spacer body 13.
It is formed so that it can be fitted to the upper part of 1 to obtain an electrical connection.

When the spacer body 13 is connected to a substrate to be described later, the lower part of the pipe 11 is fitted into a through hole (not shown) of the substrate to electrically connect the circuit on the substrate to the pipe 11. Can be connected. A plurality of through holes 10 to which the pipes 11 are attached as described above are provided in the storage portion 14, and in this embodiment,
The figure shows a state in which two pairs of through holes 10 are formed in the longitudinal direction of the spacer body 13, that is, a total of four holes are provided.
The distance between the pair of through holes 10 is set so that the leads 6 of the LEDs 4 can be inserted.

Further, in this embodiment, a plurality of spacer bodies 13 are formed in a connected state, and a notch 12 is provided at the boundary between the spacer body 13 and the spacer body 13 adjacent thereto. Since the spacer body 13 can be easily cut at the notch 12,
At the time of use, it is possible to cut the spacer body 13 with any number of spacer bodies 13 connected.

The spacer body 13 thus obtained is
It will be used by stacking until it reaches the desired thickness.
FIG. 7 is an exploded perspective view of this embodiment, and FIG. 8 is a perspective view of this embodiment. First, the spacer body 13 is attached to the substrate 1 by fitting the pipe 11 protruding below the spacer body 13 into a through hole (not shown) of the substrate 1.

Incidentally, of the pipes 11 protruding from the lower surface of the spacer body 13, unnecessary pipes are cut off. next,
Through holes 1 arranged in the longitudinal direction of the spacer body 13 by bending the leads 6 of the LED 4 by about 90 ° or at a necessary angle.
By inserting the leads 6 into the pair of 0 and soldering the leads 6, the LED 4 is electrically connected to the substrate 1 via the leads 6, the solder, and the pipe 11 of the through hole 10.

Further, the positioning projection 8 on the upper part of the spacer body 13 is fitted into the positioning recess 9 on the bottom of another spacer body 13 so that the spacer body 13 has a multi-layered structure (in this embodiment, 2).
Layered. ) Can be used repeatedly until the desired height is reached. First of all, the pipe 11 of the spacer body 13 below
Insert the lead 6 of the LED 4 into the pair. At this time, LE
Since D4 is stored in the storage unit 14, this spacer body 1
The spacer body 13 can be placed on top of 3.

Another LED 4 is attached to an unused pair of the pipes 11 of the upper spacer body 13 stacked in this way.
LED by inserting the lead 6 of the
It is possible to three-dimensionally provide a plurality of four (this embodiment shows two cases). When the above soldering is performed by solder dipping, the solder is filled into the pipe 11 from the through hole of the substrate 1 by the capillary phenomenon, and the electrical connection can be easily obtained.

As described above, the LED 4 is electrically connected to the substrate 1 through the lead 6, the solder and the pipe 11, so that the same performance as when the lead 6 is directly connected to the substrate 1 is maintained. , Can be localized to the desired height. In addition, as described above, by using the spacer body 13, the LE and LE can be used without using a post or a sub-board.
The D4 can be installed at an arbitrary height regardless of the length of the lead 6, and further, a plurality of LEDs 4 can be three-dimensionally arranged if necessary.

[0028]

As described in detail above, by electrically connecting the pipe to the substrate, the LED can be localized at a desired height regardless of the length of the LED lead. The LED can be installed at a position where the distance from the substrate is equal to or longer than the length of the lead.

Since the LED can be installed at a desired height without using posts, sub-boards, etc., the number of parts can be reduced, the weight can be reduced, and the number of assembling steps can be reduced to reduce the cost. Has the effect of being able to. In addition, since the LEDs 4 can be installed at various heights by adjusting the number of stacked spacer bodies, the LED 4 can be widely applied to various electronic devices, telephones and other housings.

Further, by providing a plurality of pairs of through holes, there is an effect that the LED can be installed in any direction. In addition, since the storage portion is formed in the spacer body, there is an effect that LEDs can be three-dimensionally provided in multiple stages. Also, when a plurality of spacer bodies are used in a stacked manner, the pipes are connected to each other and the positioning concave portion and the positioning convex portion are fitted together, so that the spacer main bodies can be reliably coupled and the LED can be installed stably. can do.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of a spacer structure according to a first embodiment.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is an exploded perspective view of the first embodiment.

FIG. 4 is a perspective view of the first embodiment.

FIG. 5 is an explanatory diagram of a spacer structure according to a second embodiment.

6 is a sectional view taken along line BB of FIG.

FIG. 7 is an exploded perspective view of a second embodiment.

FIG. 8 is a perspective view of a second embodiment.

FIG. 9 is a perspective view showing a structure of a conventional example using a post.

FIG. 10 is a perspective view showing a structure using a conventional spacer body.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 board 4 light emitting diode 6 lead 7 spacer body 8 positioning convex portion 9 positioning concave portion 10 through hole 11 pipe 13 spacer body 14 storage portion

Claims (4)

[Claims] 1. A through hole is formed in a spacer body, an energizable pipe is fitted into the through hole, the pipe is projected on a lower surface of the spacer body, and the protruding portion is fitted on an upper portion of the pipe of the connected spacer body. A positioning spacer structure for a light-emitting diode, which is formed so that it can be stacked in multiple stages up to a desired height while being electrically connected together. 2. The positioning spacer structure for a light emitting diode according to claim 1, wherein a plurality of through holes are provided so that the light emitting diode can be installed in any direction. 3. The positioning spacer structure for a light emitting diode according to claim 1, wherein the spacer body is provided with a housing portion for the light emitting diode, and a plurality of through holes are provided in the housing portion. 4. The positioning spacer for a light-emitting diode according to claim 1, 2, or 3, wherein a positioning recess is provided on the lower surface and a positioning projection that fits into the positioning recess is formed on the upper surface. Construction.