JP6966111B2 - Parts sealing structure and sealing method - Google Patents

Description

The present invention relates to a sealing structure and a sealing method for parts to which a sealing material can be applied from a single direction by a robot.

The inkjet recording apparatus shown in Patent Document 1 is known as a technique related to this kind of sealing.
In Patent Document 1, the reinforcing frame on which the magnetic head is mounted is positioned in the recess of the head holder and with respect to the lower side of the bottom wall portion, and then the bottom wall of the head holder is positioned via a potting agent for preventing ink intrusion. It has a structure that is adhesively fixed to the portion.

At this time, the ink intrusion prevention potting agent is pressed by pressing the protective cover that serves as the lid against the reinforcing frame side so as to fill the gap between the protective cover, the reinforcing frame, and the recessed side wall formed in the head holder. Spread to.

On the other hand, in the airtight connection device for an airtight container shown in Patent Document 2, a structure is provided in which a waterproof sealing material is injected from a filling hole of a cover bolt to fill a gap between a container flange, a lid plate and a cover bolt to raise the fruit of waterproofing. It has been adopted.

JP-A-2009-208314 Jitsukaisho 61-166272

By the way, in the inkjet recording apparatus shown in Patent Document 1, the protective cover is pressed against the reinforcing frame side and the potting agent is pressed to create a gap formed between the protective cover, the reinforcing frame and the side wall portion of the head holder. Try to fill it.
At this time, since the potting agent has a structure of sealing the parts by entering the lower part of the reinforcing frame on which the magnetic head is mounted, the configuration for sealing the parts becomes complicated.
On the other hand, in the airtight structure shown in Patent Document 2, the gap between the container flange, the lid plate and the cover bolt is filled with the waterproof sealing material injected from the filling hole of the cover bolt, and whether or not the gap is surely sealed. It is difficult to confirm.

The present invention has been made in view of the above circumstances, and provides a new sealing structure and a sealing method capable of reliably sealing the parts in the base member by a simple configuration.

In order to solve the above problems, the present invention proposes the following means.
The first aspect of the present invention is a sealing structure of a component to be loaded into a base member, wherein the base member is formed by surrounding a wall portion and has a recess in which the component is loaded and a recess inside the wall portion. The component has a peripheral step portion formed along the same portion, and the component has a component body portion arranged in the center portion and a flange portion provided on the outside of the component body portion, and the flange of the component. The portion is characterized in that a stepped pocket is formed which is connected to the peripheral edge step portion of the base member and is filled with the sealing material together with the peripheral edge step portion.

A second aspect of the present invention is a method of sealing a component loaded in a base member, wherein the base member is provided with a recess in which the component is loaded and a peripheral edge step portion along the inside of a wall portion surrounding the recess. After forming, the component main body portion is arranged in the central portion of the component, the flange portion is provided on the outside of the component main body portion, and the flange portion of the component is connected to the peripheral step portion of the base member. Moreover, it is characterized in that a stepped pocket filled with a sealing material is formed together with the peripheral step portion.

In the present invention, the flange portion of the component has a simple and new configuration in which a stepped pocket is formed in the flange portion of the component, which is connected to the peripheral step portion of the base member and is filled with the sealing material together with the peripheral step portion. Parts can be reliably sealed.

It is the schematic which shows the minimum structure which concerns on the sealing structure of this invention. It is a perspective view of the base member used for the sealing structure which concerns on 1st Embodiment of this invention, and is an enlarged view thereof. It is a perspective view which shows the state of attaching the component to the base member of FIG. It is a perspective view of the part attached to a base member. It is explanatory drawing which shows that a part does not rotate at the time of mounting. (A) is a plan view showing that the component is mounted on the base member, and (b) is a cross-sectional view taken along the line AA of (a). It is a perspective view which shows that the component was attached to the base member. It is a perspective view of the base member used for the sealing structure which concerns on 2nd Embodiment of this invention, and is an enlarged view thereof. It is a perspective view of the component attached to the base member of FIG. (A) is a plan view showing that the component is mounted on the base member, and (b) is a cross-sectional view taken along the line BB of (a). It is a perspective view which shows that the component was attached to the base member.

The minimum configuration according to the sealing structure 100 of the present invention will be described with reference to FIG.
The sealing structure 100 of the present invention shows a configuration for sealing the component 2 loaded on the base member 1.
In FIG. 1, the direction of arrow A1 is the outside, and the direction of arrow A2 is the inside.

The base member 1 has a recess 4 formed by surrounding the wall portion 3 and into which the component 2 is loaded, and a peripheral edge step portion 5 formed along the inside of the wall portion 3 surrounding the recess 4. Have.
The component 2 has a component main body 6 arranged at the center and a flange 7 provided on the outside of the component main body 6.
The flange portion 7 of the component 2 is formed with a stepped pocket 8 connected to the peripheral edge step portion 5 of the base member 1 and filled with the sealing material S together with the peripheral edge step portion 5 by counterbore or the like.

In the sealing structure 100 of the present invention as described above, the flange portion 7 of the component 2 is formed with a stepped pocket 8 connected to the inner peripheral edge step portion 5 of the wall portion 3 surrounding the recess 4 of the base member 1. By filling the peripheral step portion 5 and the pocket 8 with the sealing material S, the base member 1 and the component 2 are sealed.
As a result, in the sealing structure 100 of the present invention, the flange portion 7 of the component 2 is provided with a stepped pocket 8 that is connected to the peripheral edge step portion 5 of the base member 1 and is filled with the sealing material S together with the peripheral edge step portion 5. Due to the simple structure of forming, the component 2 in the base member 1 can be reliably sealed.
Further, in the present invention, by loading the component 2 in the recess 4 of the base member 1, the component 2 is prevented from rotating when the component is loaded into the base member 1, and the component can be arranged at a fixed position. It will be possible.

(First Embodiment)
The first embodiment of the present invention will be described with reference to FIGS. 2 to 7.
The sealing structure 101 (see FIGS. 6 and 7) of the first embodiment shows a configuration for sealing the component 12 loaded on the base member 11.
As shown in FIGS. 2 and 3, the base member 11 according to the present embodiment is provided in the casing C of an electronic device such as an outdoor wireless device, a printer, or a computer.

First, the base member 11 is formed in a recess 14 formed by surrounding a wall portion 13 formed in a rectangular shape on the casing C and into which the component 12 is loaded, and inside the wall portion 13 surrounding the recess 14. It has a peripheral step portion 15 formed along the line.

As shown in FIG. 4, the component 12 has a cylindrical component body 16 arranged in the center and a flange 17 provided on the outside of the component body 16.
The flange portion 17 has a rectangular shape and is formed to be slightly smaller than the recess 14 of the base member 11, so that the flange portion 17 is housed in the recess 14 of the base member 11 (see FIGS. 5 to 7).
Then, by loading the component 12 into the recess 14 of the base member 11, the component 12 is prevented from rotating in the direction of the arrow M when the bolt is fastened (described later) (see FIG. 5).

In the partially enlarged view in FIG. 2, reference numeral 20 indicates four through holes for fastening the component 12 to the base member 11 with bolts 30 (described later), and corner portions in the recess 14 of the base member 11. Placed in the vicinity.
Further, reference numeral 21 is a through hole for electrically connecting the component main body portion 16 of the component 12 to the circuit in the casing C, and is arranged in the central portion in the recess 14 of the base member 11.

The flange portion 17 of the component 12 is formed with a stepped pocket 18 that is connected to the peripheral edge step portion 15 of the base member 11 and is filled with the sealing material S1 (described later) together with the peripheral edge step portion 15.
As shown in FIG. 4, the pockets 18 of the component 12 are located at each corner of the flange portion 17 (4 locations in total), and are formed by counterbore processing so as to form a step with respect to the peripheral edge 17A of the flange portion 17. ..
Further, the pocket 18 of the component 12 is provided with a through hole 19 communicating with the through hole 20 of the base member 11, and the through holes 19 and 20 are used to fix the component 12 to the base member 11. The bolt 30 is fastened.
The head portion 30A of the bolt 30 after the bolt 30 is fastened is arranged on the pocket 18 of the component 12.

Further, when the component 12 is attached to the base member 11, as shown in FIGS. 6 and 7, the peripheral edge step portion 15 of the base member 11 and the pocket 18 of the component 12 are at substantially the same height and on the same surface. It is formed to make an eggplant.
Then, the peripheral step portion 15 of the base member 11 and the pocket 18 of the component 12 are filled with the sealing material S1 represented by the reference numeral S1.
At this time, the peripheral step portion 15 of the base member 11 and the pocket 18 of the component 12 are formed at substantially the same height and on the same surface, so that the sealing material S1 can be easily applied. , The sealing material S1 can be easily applied using a robot from the same direction indicated by the arrow F.

In the sealing structure 101 of the first embodiment as described above, the flange portion 17 of the component 12 has a stepped pocket 18 connected to the inner peripheral edge step portion 15 of the wall portion 13 surrounding the recess 14 of the base member 11. The base member 11 and the component 12 are sealed by being formed and filling the peripheral step portion 15 and the pocket 18 with the sealing material S1.

That is, in the sealing structure 101 of the first embodiment, the flange portion 17 of the component 12 is connected to the peripheral edge step portion 15 of the base member 11 and the sealing material S1 is filled together with the peripheral edge step portion 15. The component 12 in the base member 11 can be easily and surely sealed by the simple structure of forming the base member 11.
Further, in the sealing structure 101 of the first embodiment, the component 12 is loaded in the recess 14 of the base member 11, so that the component 12 rotates when the bolt is fastened to the component 12, as shown in FIG. This is prevented from occurring, and the effect of enabling the placement of parts in a fixed position is also achieved.

Further, in the sealing structure 101 of the first embodiment, the peripheral edge step portion 15 of the base member 11 and the pocket 18 of the component 12 are formed so as to form the same surface at substantially the same height position and are opened to the same side. Therefore, it is possible to easily apply the sealing material S1 using a robot from the same direction indicated by the arrow F.

(Second Embodiment)
A second embodiment of the present invention will be described with reference to FIGS. 8 to 11.
The sealing structure 102 shown in the second embodiment differs from the sealing structure 101 shown in the first embodiment in that the peripheral edge step portion 15 of the base member 11 to which the sealing material S1 is applied and the peripheral edge thereof. It is the shape of the component 12 connected to the step portion 15.

That is, in the sealing structure 102 of the second embodiment, as shown in FIG. 8, the peripheral edge step portion 15 of the base member 11 is an inclined surface 15A that is inclined inward.
Further, in the component 12, as shown in FIG. 9, the peripheral edge 17A of the flange portion 17 other than the portion where the pocket 18 is formed is an inclined surface 17A'inclined toward the outside.

Then, in such a sealing structure 102, as shown in FIGS. 10 and 11, when the component 12 is loaded in the recess 14 of the base member 11, the peripheral step portion 15 of the base member 11 and the component 12 A V-shaped groove 40 composed of an inclined surface 15A and an inclined surface 17A'is formed between the flange portion 17 and the flange portion 17.
Then, the sealing material S1 is applied and filled in the V-shaped groove 40 together with the pocket 18 of the component 12.

In the sealing structure 102 of the second embodiment described above, the flange portion 17 of the component 12 is connected to the V-shaped groove 40 between the peripheral edge step portions 15 of the base member 11, and the sealing material S1 is connected together with the peripheral edge step portion 15. Due to the simple configuration of forming the stepped pocket 18 to be filled, the component 12 in the base member 11 can be easily and surely sealed.
Further, also in the sealing structure 102 of the second embodiment, by loading the component 12 into the recess 14 of the base member 11, the component 12 is prevented from rotating when the bolt is fastened to the component 12, and the component 12 is fixed. It also has the effect of enabling the placement of parts at positions.

Further, also in the sealing structure 102 of the second embodiment, the V-shaped groove 40 between the peripheral edge step portion 15 of the base member 11 and the flange portion 17 of the component 12 and the pocket 18 of the component 12 are opened to the same side. Therefore, it is possible to easily apply the sealing material S1 using a robot from the same direction indicated by the arrow F.

Although the embodiments of the present invention have been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and design changes and the like within a range not deviating from the gist of the present invention are also included.

The present invention relates to a sealing structure and a sealing method for parts to which a sealing material can be applied from a single direction by a robot.

1 Base member 2 Parts 3 Wall 4 Recess 5 Peripheral step 6 Part body 7 Flange 8 Pocket 11 Base member 12 Parts 13 Wall 14 Recess 15 Peripheral step 15A Inclined surface 16 Parts body 17 Flange 17A Periphery 17A ´Inclined surface 18 Pocket 19 Through hole 20 Through hole 21 Through hole 30 Bolt 30A Head 40 V-shaped groove 100 Sealing structure 101 Sealing structure 102 Sealing structure S Sealing material S1 Sealing material

Claims (6)

It is a sealing structure of the parts loaded in the base member.
The base member has a recess formed by surrounding the wall portion and internally loaded with the component, and a peripheral step portion formed along the inside of the wall portion.
The component has a component body portion arranged in the center portion and a flange portion provided on the outside of the component body portion.
The flange portion of the component is formed with a stepped pocket that is connected to the peripheral step portion of the base member and is filled with a sealing material together with the peripheral step portion.
The pocket of the component has a sealing structure characterized by being formed by counterbore processing. The sealing structure according to claim 1, wherein a bolt to be fastened to the base member and a head of the bolt are arranged in the pocket of the component. The flange portion of the component is formed in a quadrangular shape.
The sealing structure according to any one of claims 1 or 2 , wherein the pockets of the parts are located at each corner of the flange portion. The sealing according to any one of claims 1 to 3 , wherein the peripheral step portion of the base member and the pocket of the component are formed at substantially the same height and on the same surface. structure. Claims 1 to 4 , wherein an inclined surface forming a V-shaped groove is provided between the peripheral edge of the flange portion other than the portion where the pocket of the component is formed and the wall portion of the base member. The sealing structure according to any one item. It is a sealing method for the parts loaded in the base member.
The base member is formed with a recess into which the component is loaded and a peripheral step portion along the inside of the wall portion surrounding the recess.
The component main body is arranged in the center of the component, and the flange is provided on the outside of the component main body.
Further, the flange portion of the component is formed with a stepped pocket that is connected to the peripheral edge step portion of the base member and is filled with the sealing material together with the peripheral edge step portion.
A sealing method characterized in that the pocket is formed by counterbore processing.

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