JP3383969B2 - control panel - Google Patents

Description

Description: BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to an operation panel provided on an operation section of a device or the like. More specifically, the present invention relates to a resin operation panel including a panel main body and a button unit integrally connected to the panel main body with an elastic piece. The present invention relates to an operation panel that can clean the operation panel. 2. Description of the Related Art As a conventional operation panel, Japanese Patent Publication No. 7-6
No. 0947 is known. FIG. 8 is a partial plan view of the operation button device described in Japanese Patent Publication No. 7-60947. In FIG. 1, reference numeral 1 denotes a panel main body, and 2 denotes an operation button. An elastic piece 3 connects the panel body 1 and the button 2. Reference numeral 4 denotes a resin injection port provided on the side of the button 2, and a resin material is injected from a portion of the mold corresponding to the resin injection port 4 during molding. The resin injected from the resin injection port 4 forms the button 2, and then flows to the panel main body 1 side through the elastic piece 3 to form the panel main body 1. According to such an operation panel, since the resin flows toward the panel main body 1 after molding the button 2 during molding, the resin flow in the button 2 becomes stable, and the surface of the button becomes The advantage of a beautiful finish is obtained. [0006] The above-mentioned conventional operation panel has the following problems. At the time of molding, the resin flows from the button 2 side to the panel body 1 through the elastic piece 3, so that the elastic piece 3 having a small cross-sectional area tends to become a bottleneck for the flow of the resin. For this reason, it is difficult for the resin to flow to the corners of the panel body 1, and it is easy to cause unevenness in formation due to defective filling of the resin. An object of the present invention is to solve the above-mentioned problems,
An object of the present invention is to provide an operation panel which is less likely to be formed unevenly due to resin filling failure and has a beautiful finish. In order to achieve the above object, an operation panel according to the present invention comprises a panel main body, a button unit integrally connected to the panel main body by an elastic piece, and the operation panel.
Glued to the top of the main unit to display the functions of the button
An operation panel made of a resin having a resin sheet to be connected, and an upper surface side of a connection portion between the panel body and the elastic piece.
A step is formed on the elastic piece, and the elastic piece is bonded to the bonding surface of the resin sheet.
And a resin injection port for molding an operation panel is provided in both the panel body and the button portion. According to the operation panel of the present invention, the panel body and the bullet
A step is formed on the upper surface side of the connection part with the sex piece,
Due to this step, the elastic piece is larger than the adhesive surface of the resin sheet.
As it is arranged one step lower, the panel body
Between the elastic sheet and the resin sheet adhered to the upper surface of the
A gap is formed, and the resin sheet and the elastic piece
Will not wear. As a result, when the resin sheet is bonded
Contact the elastic sheet of the resin sheet for some reason.
Even if there is an adhesive, the resin sheet
And the elastic piece will not be joined,
The deflection of the elastic piece during the operation of the button part is secured.
You. Therefore, the operability of the button section is not impaired.
The effect is obtained. Since the resin injection port for molding the operation panel is arranged in both the panel main body and the button section, the resin is directly supplied from the respective resin injection port to the panel main body and the button section during molding. The Rukoto. Therefore, according to the operation panel of the present invention, there is no need to flow the resin from the button side to the panel main body side through the elastic piece having a small cross-sectional area as in the related art to form the panel main body. Non-uniform formation hardly occurs. Thereby, the finish of each of the panel main body and the button section becomes beautiful. That is, with the panel body
When the above-mentioned step is formed on the upper surface side of the connection part with the elastic piece
However, uneven formation due to resin filling failure is less likely to occur
And the finish of the panel body and the buttons are beautiful.
Become. Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view showing an embodiment of an operation panel according to the present invention, FIG. 2 is a bottom view, and FIG. 3 is III-III in FIG.
4 is a rear view. In these drawings, an operation panel according to the present embodiment includes a panel body 10 made of resin, a first button portion 20 integrally connected to the panel body 10 by an elastic piece 21, and a panel body. And a second button portion 30 integrally connected to the panel body 10 by an elastic piece 21a.
A resin injection port G1 (see FIG. 1) for molding the operation panel is provided in both the first and second button portions 20 and 30.
1 (see FIGS. 1 and 2). First, the panel body 10 will be described. The panel main body 10 is formed in a shape that can be fitted into an operation section (not shown) of an OA device or the like, and as shown in FIGS. 5, 6A and 6B, A printed board P including a tact switch SW with a small stroke is arranged. A total of two resin inlets G1 are provided on the left and right sides of the panel body 10. In FIGS. 1 to 4, reference numerals 10a and 10a denote engagement pieces provided on both right and left sides of the panel main body 10, and a lower end of the panel main body 1 is provided on an operation unit such as OA equipment (not shown).
Hooks 10b, 10b for attaching and fixing the 0 are provided. In FIG. 1, FIG. 3 and FIG. 6 (a), reference numeral 11 denotes a shallow recess provided on the upper surface of the panel main body 10. The recess 11 has the first and second button portions 20 and 30 formed therein. A thin resin sheet 40 on which functions and the like are displayed is attached with an adhesive. Reference numeral 12 denotes a window for displaying a pilot lamp. Next, the first and second button sections 20, 30 will be described. The first button section 20 and the second button section 30
Is basically formed in the same structure, so the first button section 20 will be mainly described. As shown in FIGS. 5 and 6A and 6B, the button portion 20 includes a resin injection port G11, a key top 22, a projecting piece 23, and a pin 24. The resin inlet G11 is formed between the elastic pieces 21 and 21 connecting the key top 22 and the panel body 10. When the resin is injected from such a resin injection port G11, the resin becomes the key top 22, the protrusion 23,
After the pins 24 are formed, the elastic pieces 21 and 21 are formed to reach the panel main body 10 and join the resin injected from the resin injection port G1 of the panel main body 10. The key top 22 is formed in a substantially semi-cylindrical shape, and has a shape that can be easily operated by a finger. The protruding piece 23 is provided directly below the key top 22 so that the printed board P
The button B of the tact switch SW arranged above is directly pressed down. A pair of pins 24 are provided on the left and right sides of the projecting piece 23 below the distal end of the first button portion 20.
As shown in FIG. 6A, a gap n is provided between the tip 24a of the pin 24 and the upper surface of the printed circuit board P, and the first button 20 can be pushed down by the gap n. It has become. This prevents the first button unit 20 from being pressed down more than necessary, and prevents the tact switch SW from being damaged. The size of the gap n is set to be equal to or slightly smaller than the stroke of the button B of the tact switch SW. Further, since the pins 24 are arranged on both the left and right sides of the first button section 20, even when the first button section 20 is strongly pressed, the first button section 20 is less likely to wobble in the left-right direction. ing. Next, the second button section 30 will be described. Since the second button section 30 is basically formed in the same structure as the first button section 20, different parts will be described here. That is, the second button part 30 is different from the first button part 20 in that the resin injection port G11
The key portion 22 is formed so as to be widened toward the key top 22 as compared with the button portion 20 of FIG. As described above, since the resin injection port G11 is formed so as to expand toward the key top 22, the resin can be easily distributed. Next, the elastic pieces 21 and 21a connecting the panel body 10 to the first and second button portions 20 and 30 will be described. First, the elastic piece 21 will be described with reference to FIGS. 5 and 6A and 6B. The elastic pieces 21 are provided as a pair on the left and right sides, and are formed thin and flat. Reference numeral 25 denotes a connecting portion between the elastic piece 21 and the panel body 10, which is formed thicker than the elastic piece 21. 26 is a step formed on the upper surface side of the connecting portion 25, 27 is an inclined surface formed on the lower surface side of the connecting portion 25, and 28 is a boundary portion between the elastic piece 21 and the connecting portion 25. The step 26 is provided at a position shifted from the boundary portion 28 toward the panel main body 10 (arrow X1 in FIG. 6A), and when the first button portion 20 is operated, the boundary portion is formed. 28 serves to prevent stress from concentrating on. When the step 26 is provided at a position shifted to the first button portion 20 side from the boundary portion 28, the boundary portion 2
8 can be prevented from being concentrated. However, in this case, the elastic piece 21 becomes thicker by the amount by which the step 26 is shifted to the first button portion 20 side.
The touch when operating the first button unit 20 becomes hard. Therefore, it is desirable that the step 26 be provided at a position shifted toward the panel body 10 from the boundary portion 28 as in this embodiment. As shown in FIG. 6A, the elastic piece 21
Due to the step 26, the resin sheet mounting surface 13 of the concave portion 11 is formed.
It is arranged one step lower than that. Thereby, the recess 11
A gap m is formed between the resin sheet 40 and the elastic piece 21 adhered to the first member, and the following advantages can be obtained by forming such a gap m. It is assumed that the elastic piece 21 is
If the adhesive is present between the resin sheet 40 and the elastic piece 21 for some reason when the resin sheet 40 is bonded (for example, the adhesive is When the adhesive has spread between the resin sheet 40 and the elastic piece 21 after the resin sheet 40 is bonded,
The resin sheet 40 and the elastic piece 21 are joined by an adhesive, which causes a problem that the operability of the first button portion 20 is impaired. On the other hand, according to the operation panel of the present embodiment, the elastic piece 21 is disposed one step lower than the resin sheet mounting surface 13, and a gap m is formed between the resin sheet 40 and the elastic piece 21. Therefore, even if an adhesive exists between the resin sheet 40 and the elastic piece 21, the resin sheet 40 and the elastic piece 21 are not joined, and therefore, the operability of the first button portion 20 is reduced. Is not compromised. The inclined surface 27 is formed to be inclined downward from the elastic piece 21 toward the panel body 10. Thereby, the connecting portion 25 is moved from the elastic piece 21 side to the panel body 10.
It gradually becomes thicker toward the side. Since such an inclined surface 27 is provided in the connecting portion 25, concentration of stress on the boundary portion 28 is more effectively prevented. The inclined surface 27 is not limited to a linear shape as in the present embodiment, but may be a curved shape. Next, the elastic piece 21a will be described with reference to FIGS. 1, 2, and 7. FIG. In these drawings, the same parts as those of the elastic piece 21 are denoted by the same reference numerals. As shown in FIGS. 1 and 2, the second button 3
Numerals 0 are arranged side by side in the depth direction of the panel body 10. For this reason, the space in the depth direction is narrow, and the same shape as the elastic piece 21 of the first button portion 20 cannot be provided for the second button portion 30. If an elastic piece having the same shape as the elastic piece 21 of the first button part 20 is provided, the elastic piece becomes short, and the feel when operating the button part becomes hard. Therefore, in the present embodiment, as shown in FIG. 1, the elastic piece 21a of the second button portion 30 is substantially L
It is formed in the shape of a letter. With such a shape, the length of the elastic piece can be secured by the amount of the L-shaped bend, and the feel when operating the second button unit 30 can be felt when the first button unit 20 is operated. It can be similar to feel. According to the above-described operation panel of the present embodiment, the resin injection ports G1 and G11 are arranged in both the panel main body 10 and the button sections 20 and 30, so that the respective resin injection ports are formed at the time of molding. The resin is supplied to the panel body 10 and the button units 20 and 30 directly from the entrances G1 and G11. Therefore, according to the operation panel of this embodiment, it is not necessary to flow the resin from the button portion side to the panel main body side through the elastic piece having a small cross-sectional area to form the panel main body as in the conventional case. Formation irregularities due to poor filling of the material hardly occur. Thereby, the panel body 10,
The finish of each of the button parts 20 and 30 becomes beautiful.
That is, on the upper surface side of the connection portion between the panel body and the elastic piece
Even when the step 26 is formed, the resin may not be filled properly due to defective filling.
And the panel body 10 and the button
The finish of each of the parts 20 and 30 becomes beautiful. Although the embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and can be appropriately modified and implemented within the scope of the present invention. For example, it is not always necessary to provide a pair of elastic pieces 21 and 21a.
One for 0 may be provided, or three or more may be provided. Further, the resin injection port G11 of the first and second button portions 20, 30 is not limited to the one formed between the elastic pieces 21, 21a as in the above-described embodiment. It can be formed at any position of the first and second buttons 20 and 30. According to the operation panel of the present invention, the button section
The deflection of the elastic piece during operation is ensured,
In addition, the operability of the button portion is not impaired, the formation unevenness due to resin filling failure is less likely to occur, and the finish of the panel main body and the button portion becomes beautiful. [0048]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view showing an embodiment of an operation panel according to the present invention. FIG. 2 is a bottom view of the same. FIG. 3 is a sectional view taken along line III-III in FIG. 1; FIG. 4 is a rear view of the same. FIG. 5 is a partially enlarged perspective view of a button unit. FIG. 6A is an enlarged sectional view taken along line aa in FIG. 1;
FIG. 2B is an enlarged sectional view taken along line bb in FIG. 1. FIG. 7 is an enlarged sectional view taken along the line cc in FIG. 1; FIG. 8 is a plan view of a main part of an operation button device according to Japanese Patent Publication No. 7-60947. [Description of Signs] 10 Panel main body 20, 30 Button portion 21, 21a Elastic pieces G1, G11 Resin injection port

Claims (1)

(57) and Patent Claims 1. A panel body, and a button portion which is integrally connected with the elastic piece to the panel body, on the panel body
A resin sheet that is adhered to the surface and displays the function of the button
A control panel made of resin having a chromatography bets, the panel
Step is formed on the upper surface side of the connection part between the main body and the elastic piece
The elastic piece is one step lower than the adhesive surface of the resin sheet.
And a resin injection port for molding the operation panel in both the panel body and the button portion.