JPH1064138A - Push button device - Google Patents

Abstract

(57) [Summary] [Problem] To prevent the push switch from being damaged by displacing the operation part of the push button upward,
An object of the present invention is to provide a push button device capable of preventing the push button from being damaged by stopping the downward movement of the operation portion of the push button to reduce the stress applied to the thin portion. A housing (3) and a substrate (4) outside the housing (3)
And a front panel 1 having a through-hole 1b perpendicular to the front panel 1 and a front panel 1 provided between the front panel 1 and the housing 3 so as to be substantially parallel to the front panel 1 and having one end inserted through the through-hole 1b of the front panel 1. A support portion 2b having a button portion 2a and a hinge portion 2c at the other end; and a push switch 5 extending from the support portion 2b onto the push switch 5.
A moving means 3a for moving the operating part 2e upward, an avoiding means 2g for avoiding the displacing means 3a, and a stopping means for restricting the downward movement of the operating part 2e. 3b.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a push button device for operating a push switch of an electronic device such as a magnetic recording / reproducing device.

[0002]

2. Description of the Related Art FIG. 5 is a side sectional view showing a configuration of a conventional push button device, and FIG. 6 is a side sectional view showing an assembled state of a front panel having the conventional push button device. In the figure, reference numeral 1 denotes a front panel having a boss 1a having an axis near a lower end, and a plurality of through holes 1b provided at a predetermined distance from the boss 1a. 2 is a plurality of through holes 1b
A button portion 2a which is inserted into the through hole 1b of the front panel 1 and protrudes and has a design portion on the front surface, and which has the button portion 2a near the upper end and is substantially the same as the front panel 1 A parallel support portion 2b, a thin portion 2c functioning as a hinge connected to a lower end of the support portion 2b, a boss 2d having a hole connected to a lower end of the thin portion 2c, and a button portion 2a are used to determine a position. The lower end of the support portion 2b, which is separated by a distance, is integrally formed with an operation portion 2e extending vertically from a surface opposite to the surface on which the button portion 2a is provided, and is formed integrally with the boss 1a of the front panel 1. It is attached to the front panel 1 by press-fitting the hole of the boss 2d into the shaft. Reference numeral 3 denotes a housing to which the front panel 1 having the push button 2 is mounted, 4 denotes a board housed and mounted in the housing 3, 5 denotes a board vertically mounted on the board 4,
This is a push switch operated by the push button 2.

Next, the operation will be described. Push button 2
When the button portion 2a is pressed, the thin portion 2c is deformed, so that the operation portion 2e is displaced and lowered as shown by the dashed line, and the push switch 5 is pressed for operation. Button part 2
When the user releases his hand from a, the push button 2 returns to the original position by the action of the thin portion 2c.

Further, assembling the front panel 1 having the push button device constructed as described above into the housing 3 is shown in FIG.
1 by moving the front panel 1 having the push buttons 2 in the direction of the arrow in the figure.

[0005]

In the conventional push button device constructed as described above, when the push button 2 is integrally formed, the thin portion 2c functioning as a hinge is deformed by warping or the like. There are times when things that are not the same are mixed. Therefore, the push button 2 is in the state shown by the broken line in FIG. 6, the operation unit 2 e of the push button 2 is lower than the push switch 5, and when the front panel 1 is attached to the housing 3, the operation unit 2 e The tip hits the push switch 5 and destroys the push switch 5. Even when the thin portion 2c is not deformed, when the front panel 1 is attached to the housing 3, the tip of the operating portion 2e hits the push switch 5 due to a variation in assembly between the front panel 1 and the push button 2. There was destruction. Further, the button portion 2a of the push button 2 is
If the push button 2 is continuously pressed after the operation of the button 2, excessive stress is applied to the thin portion 2c and the push button 2 is damaged.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and the push switch can be displaced upward to prevent breakage of the push switch. Further, it is another object of the present invention to provide a push button device capable of preventing the push button from being damaged by stopping the downward movement of the operation portion of the push button to reduce the stress applied to the thin portion.

[0007]

SUMMARY OF THE INVENTION A push button device according to the present invention is provided with a housing containing a board and a push switch arranged perpendicular to the board, and mounted outside the housing vertically to the board. A front panel having a through-hole; a button provided substantially parallel to the front panel between the front panel and the housing, having a button at one end inserted through the through-hole of the front panel and a hinge at the other end; One of a support portion, an operating portion extending from the support portion onto the push switch and driving the push switch, a displacement device for moving the operation portion upward, an avoidance device for avoiding the displacement device, and an operation device. Stopping means for restricting the downward movement of the section.

Further, the displacement means and the stop means are integrally formed on the housing with a rib having an R-shaped tip and a contact surface extending in the longitudinal direction of the rib, and the avoiding means is constituted by a through hole in the operation part. It was done.

Further, the displacement means is formed integrally with the operation part by a cylindrical boss, and the avoiding means and the stopping means are constituted by trapezoidal ribs on the housing. Furthermore, the displacement means is formed integrally with the operation part by a cylindrical boss, and the avoiding means and the stopping means are formed by integrally forming the trapezoidal rib on the housing and the contact surface extending behind the rib. is there.

Further, the displacement means is integrally formed on the housing with a rib having a distal end having an R-shape, and the avoiding means and the stopping means are constituted by concave holes in the operation portion.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be specifically described with reference to the drawings showing the embodiments. In the drawings, the same reference numerals indicate the same or corresponding ones as those in the related art.

Embodiment 1 FIG. 1 is a side sectional view showing a push button device according to Embodiment 1 of the present invention. In FIG. 1, reference numeral 1 denotes a front panel having a boss 1a having an axis near a lower end thereof, and a plurality of through holes 1b provided at a predetermined distance from the boss 1a. 2 is a push button,
A button portion 2a that is inserted into the through hole 1b of the front panel 1 and protrudes to the front, a support portion 2b having the button portion 2a near the upper end and substantially parallel to the front panel 1, and connected to a lower end of the support portion 2b. Thin portion 2c provided and functioning as hinge
A boss 2d having a hole continuously provided at a lower end of the thin portion 2c, and a boss 2d provided at a lower end of the support portion 2b at a predetermined distance from the button portion 2a and perpendicular to a surface opposite to the surface provided with the button portion 2a. And an operation unit 2 e extending from the operation unit 2.
e, a through hole 2 provided at a predetermined distance from the support portion 2b.
g is integrally formed, and is attached to the front panel 1 by pressing a hole of the boss 2d into a shaft of the boss 1a of the front panel 1. 3 is push button 2
The operation unit 2e of the push button 2 is lifted upward and the through-hole 2g
A rib 3a having an R-shaped tip that fits in the rib 3a
Is integrally formed with a contact surface 3b for regulating the operation section 2e downward. Reference numeral 4 denotes a board housed and mounted in the housing 3, and 5 denotes a push switch mounted vertically on the board 4 and operated by the push button 2.

Next, the operation will be described. Push button 2
When the button portion 2a is pressed, the thin portion 2c is deformed similarly to the conventional example, and the operation portion 2e is displaced and lowered, and the push switch 5 is pressed for operation. When the hand is released from the button portion 2a, the push button 2 returns to the original position by the action of the thin portion 2c.

As to assembling the front panel 1 having the push button device configured as described above into the housing 3, the front panel 1 having the push button 2 is moved in the direction of the arrow in FIG. It is performed by At this time, the operating portion 2e of the push button 2 hits the rib 3a provided on the housing 3 so that the operating portion 2e of the push button 2 does not hit the push switch 5 mounted on the substrate 4 attached to the housing 3, and serves as a hinge of the push button 2. Since the operation section 2e is incorporated into the housing 3 while being displaced upward by the function of the functional thin portion 2c, the operation section 2e can be prevented from breaking the push switch 5 during assembly. After assembly, housing 3
The rib 3a of the push button 2 fits into the through hole 2g provided in the operation section 2e of the push button 2, and the push button 2 returns to the state of FIG.

In this push button device, the contact surface 3b integrally formed with the rib 3a of the housing 3 is provided with the operating portion 2
Since the downward displacement of e is restricted, the stress applied to the thin portion 2c can be reduced even if the button portion 2a protruding from the through hole 1b of the front panel 1 is kept pressed.

Embodiment 2 FIG. 2 is a side sectional view showing a push button device according to Embodiment 2 of the present invention. In the figure, reference numeral 2 denotes a push button.
b, a button 2a protruding to the front and projecting to the front, a support 2b having the button 2a near the upper end and substantially parallel to the front panel 1, and connected to the lower end of the support 2b to function as a hinge. A thin portion 2c, a boss 2d having a hole continuously provided at a lower end of the thin portion 2c, and a lower end of the support portion 2b separated from the button portion 2a by a predetermined distance on a side opposite to a surface on which the button portion 2a is provided. A front panel 1 is formed by integrally forming an operation portion 2e extending vertically from the surface and a cylindrical boss 2k having a predetermined distance from the support portion 2b and having the same width as the operation portion 2e. The boss 1a is attached to the front pal 1 by press-fitting the hole of the boss 2d into the shaft of the boss 1a. Reference numeral 3 denotes a housing to which the front panel 1 having the push button 2 is attached, which constitutes a trapezoidal rib 3c which comes into contact with the cylindrical boss 2k of the push button 2 and lifts the operation unit 2e upward.

Next, the operation will be described. Push button 2
When the button portion 2a is pressed, the thin portion 2c is deformed similarly to the conventional example, and the operation portion 2e is displaced and lowered, and the push switch 5 is pressed for operation. When the hand is released from the button portion 2a, the push button 2 returns to the original position by the action of the thin portion 2c.

As to assembling the front panel 1 having the push button device configured as described above into the housing 3, the front panel 1 having the push button 2 is moved in the direction of the arrow in FIG. It is performed by At this time, the cylindrical boss 2k hits the rib 3c provided on the housing 3 first so that the operation unit 2e of the push button 2 does not hit the push switch 5 mounted on the board 4 attached to the housing 3. Since the operation section 2e is displaced upward by the action of the thin portion 2c of the push button 2, the push button 5 is incorporated into the housing 3, so that the operation section 2e can be prevented from breaking the push switch 5 during assembly. After assembling, by the action of the thin portion 2c functioning as a hinge of the push button 2,
The push button 2 returns to the state of FIG.

Further, in this push button device, since the upper surface of the trapezoidal rib 3c of the housing 3 restricts the downward displacement of the operation portion 2e, the button portion protruding from the through hole 1b of the front panel 1 is provided. Even if you keep pushing 2a, thin part 2
The stress applied to c can be reduced.

Embodiment 3 FIG. 3 is a side sectional view showing a push button device according to Embodiment 3 of the present invention. In the figure, reference numeral 2 denotes a push button.
b, a button 2a protruding to the front and projecting to the front, a support 2b having the button 2a near the upper end and substantially parallel to the front panel 1, and connected to the lower end of the support 2b to function as a hinge. A thin portion 2c, a boss 2d having a hole continuously provided at a lower end of the thin portion 2c, and a lower end of the support portion 2b separated from the button portion 2a by a predetermined distance on a side opposite to a surface on which the button portion 2a is provided. A front panel 1 is formed by integrally forming an operation portion 2e extending vertically from the surface and a cylindrical boss 2k having a predetermined distance from the support portion 2b and having the same width as the operation portion 2e. The boss 1a is attached to the front pal 1 by press-fitting the hole of the boss 2d into the shaft of the boss 1a. Reference numeral 3 denotes a housing to which the front panel 1 having the push button 2 is attached, which hits the cylindrical boss 2k of the push button 2, raises the operation portion 2e upward, and a trapezoidal rib 3c and an abutting surface 3e which abuts the cylindrical boss 2k. And are integrally formed.

Next, the operation will be described. Push button 2
When the button portion 2a is pressed, the thin portion 2c is deformed similarly to the conventional example, and the operation portion 2e is displaced and lowered, and the push switch 5 is pressed for operation. When the hand is released from the button portion 2a, the push button 2 returns to the original position by the action of the thin portion 2c.

As to assembling the front panel 1 having the push button device constructed as described above into the housing 3, the front panel 1 having the push button 2 is moved in the direction of the arrow in FIG. It is performed by At this time, the column boss 2k hits the rib 3c provided on the housing 3 so that the operating portion 2e of the push button 2 does not hit the push switch 5 mounted on the substrate 4 attached to the housing 3, and the push button 2 is pushed. Thin part 2 that functions as hinge for button 2
Since the operation unit 2e is incorporated into the housing 3 while being lifted upward by the function of c, it is possible to prevent the operation unit 2e from breaking the push switch 5 during assembly. After assembling, the thin portion 2 which functions as a hinge of the push button 2
By the action of c, the push button 2 returns to the state of FIG.

Further, in this push button device, the cylindrical boss 2k of the push button 2 abuts on the abutment surface 3e integrally formed behind the trapezoidal rib 3c of the housing 3, and the operating portion 2
Since the downward displacement of e is restricted, the stress applied to the thin portion 2c can be reduced even if the button portion 2a protruding from the through hole 1b of the front panel 1 is kept pressed.

Embodiment 4 FIG. 4 is a side sectional view showing a push button device according to Embodiment 4 of the present invention. In the figure, reference numeral 2 denotes a push button.
b, a button 2a protruding to the front and projecting to the front, a support 2b having the button 2a near the upper end and substantially parallel to the front panel 1, and connected to the lower end of the support 2b to function as a hinge. A thin portion 2c, a boss 2d having a hole continuously provided at a lower end of the thin portion 2c, and a lower end of the support portion 2b separated from the button portion 2a by a predetermined distance on a side opposite to a surface on which the button portion 2a is provided. An operating portion 2 e extending vertically from the surface and a concave hole 2 i provided at a predetermined distance from the supporting portion 2 b in the operating portion 2 e are integrally formed, and the boss 1 a of the front panel 1 is formed. It is attached to the front pal 1 by press-fitting the hole of the boss 2d into the shaft. Reference numeral 3 denotes a housing to which the front panel 1 having the push button 2 is attached. The operating portion 2e of the push button 2 is lifted upward, and a rib 3a having an R-shaped tip that fits into the concave hole 2i is integrally formed. I have.

Next, the operation will be described. Push button 2
When the button portion 2a is pressed, the thin portion 2c is deformed similarly to the conventional example, and the operation portion 2e is displaced and lowered, and the push switch 5 is pressed for operation. When the hand is released from the button portion 2a, the push button 2 returns to the original position by the action of the thin portion 2c.

As to assembling the front panel 1 having the push button device constructed as described above into the housing 3, the front panel 1 having the push button 2 is moved in the direction of the arrow in FIG. It is performed by At this time, the rib 3a provided on the housing 3 functions as a hinge of the push button 2 so that the operation unit 2e of the push button 2 does not hit the push switch 5 mounted on the substrate 4 attached to the housing 3. Since the operation unit 2e is incorporated into the housing 3 while lifting the operation unit 2e upward by utilizing the function of the thin-walled portion 2c, it is possible to prevent the operation unit 2e from breaking the push switch 5 during assembly. After the assembly, the push button 2 returns to the state shown in FIG. 4 by the action of the thin portion 2c functioning as a hinge of the push button 2.

In this push button device, the rib 3a of the casing 3 fits into the concave hole 2i provided in the operation section 2e, and the tip of the rib 3a hits the concave hole 2i.
Since the downward displacement of e is restricted, the stress applied to the thin portion 2c can be reduced even if the button portion 2a protruding from the through hole 1b of the front panel 1 is kept pressed.

[0028]

According to the push button device of the present invention, a housing accommodating a board and a push switch arranged perpendicular to the board, and a through-hole mounted outside the housing vertically to the board. A front panel having
A support portion provided substantially parallel to the front panel between the front panel and the housing, having at one end a button portion inserted through a through hole of the front panel, and a hinge portion at the other end;
Displacement means for moving the operation part upward, avoidance means for avoiding this displacement means, and downward movement of the operation part to either the operation part extending from the support part onto the push switch and driving the push switch And stop means for restricting the movement of the front panel, it is possible to prevent the push switch from being destroyed when the front panel is assembled, and to reduce the stress applied to the hinge part by restricting the downward movement. it can.

Further, the displacement means and the stopping means are integrally formed on the housing with a rib having an R-shaped tip and a contact surface extending in the longitudinal direction of the rib, and the avoiding means is constituted by a through hole in the operation part. Thus, the work of removing the front panel can be performed smoothly, and the downward regulation can be reliably suppressed.

Further, since the displacement means is integrally formed on the operation portion with a cylindrical boss, and the avoiding means and the stopping means are constituted by trapezoidal ribs on the housing, a push button device having high rigidity can be obtained.

Further, the displacing means is formed by a rib having an R-shaped tip on the housing, and the avoiding means and the stopping means are formed by concave holes in the operation portion, so that the work of removing the front panel can be performed smoothly. A push button device having high rigidity can be obtained.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing a push button device according to Embodiment 1 of the present invention.

FIG. 2 is a side sectional view showing a push button device according to Embodiment 2 of the present invention.

FIG. 3 is a side sectional view showing a push button device according to Embodiment 3 of the present invention.

FIG. 4 is a side sectional view showing a push button device according to Embodiment 4 of the present invention.

FIG. 5 is a side sectional view showing a configuration of a conventional push button device.

FIG. 6 is a side sectional view showing an assembled state of a front panel having a conventional push button device.

[Explanation of symbols]

1 front panel, 1b through hole, 2 push button, 2
a Button part, 2b support part, 2c thin part, 2d boss, 2e operation part, 2g through hole, 2i concave hole, 2k
Cylindrical boss, 3 housing, 3a, 3c rib, 3b, 3e
Contact surface, 4 boards, 5 push switches.

Claims (5)

[Claims] 1. A board, a housing containing a push switch vertically arranged with respect to the board, a front panel having a through-hole vertically mounted on the board outside the housing and having a through hole, A support portion provided substantially parallel to the front panel between the panel and the housing, having a button portion at one end inserted through a through hole of the front panel, and a hinge portion at the other end; A push button device including an operating portion extending from the push switch to drive the push switch, and a push button having a fixing portion connected to the hinge portion and fixed to the front panel. Displacement means for moving the operation section upward, the avoidance means for avoiding the displacement means, and stopping means for restricting the downward movement of the operation section. And a push button device. 2. Displacement means and stop means are provided on a housing,
2. The push button device according to claim 1, wherein the rib having a shape and a contact surface extending in the longitudinal direction of the rib are integrally formed, and the avoiding means is constituted by a through hole in the operation unit. 3. The push button device according to claim 1, wherein the displacement means is formed integrally with the operation part by a cylindrical boss, and the avoidance means and the stop means are formed by trapezoidal ribs on the housing. 4. The displacement means is integrally formed with a cylindrical boss on an operation portion, and the avoiding means and the stopping means are integrally formed with a trapezoidal rib on a housing and a contact surface extending rearward of the rib. The push button device according to claim 1, wherein: 5. The push button device according to claim 1, wherein the displacement means is integrally formed on the housing with a rib having a front end having an R-shape, and the avoiding means and the stopping means are constituted by concave holes in the operation part. .