JP4609480B2 - Attachment structure of operated member and electronic device - Google Patents

Description

The present invention relates to an operating member mounting structure and an electronic apparatus for mounting an operated member to a casing of an electronic device .

  Generally, various switches for operating the electronic device are provided on the front panel of the electronic device, and among them, the push button switch is a frequently used switch. This push button switch is composed of a push button structure disposed in a casing of an electronic device and a switch disposed on a circuit board. The switch is configured to be turned ON / OFF by displacement of a push button portion provided in the push button structure. Therefore, when the push button switch is provided in the electronic device, it is necessary to attach the push button structure to the casing (front panel) of the electronic device.

  Conventionally, as a structure for attaching this push button structure to a housing of an electronic device, a welding method (see Patent Document 1) and a screwing method (see Patent Document 2) are known. In the welding method, a protrusion is formed in the housing and a hole into which the protrusion is inserted is formed in the push button structure. After the protrusion is inserted into the hole, the portion protruding from the hole of the protrusion is heated and welded. Is the method. In this method, the housing and the push button structure are both formed of resin, and the push button structure is welded to the housing by heating and melting the resin using a heating jig or the like.

The screwing method, as schematically shown in FIG. 13, a method of attaching the housing 102 to the push button structure 103 the push button portion 112 is formed with a screw 121. In the example shown in the figure, an example in which the circuit board 119 provided with the switch 130 is also attached to the housing 102 together with the push button structure 103 using the screws 121 is shown.

In a state where the push button structure 103 is attached to the housing 102, the distal end portion of the push button portion 112 protrudes from the button insertion hole 105 formed in the housing 102 and can be pressed. When the push button unit 112 is pressed, the switch 130 is operated via the push button unit 112 to perform an ON / OFF operation.
JP 2007-073244 A JP 2004-103490 A

  However, in the mounting structure by the welding method, it is necessary to use a heating jig, and there is a problem that the mounting work is troublesome. Further, since the push button portion is frequently operated by the operator, high reliability is required that is not damaged even by such frequent operation. However, in the structure in which the push button structure is attached to the housing by melting the resin, it is necessary to set a large protrusion in order to increase the reliability, and this welded part is an obstacle to the arrangement of other parts. There was a problem. Further, the welding method has a problem that once the push button structure is attached to the housing, it is difficult to separate the push button structure and the maintainability is poor.

  On the other hand, in the mounting structure by the screwing method, a large number of screws 121 are required, and correspondingly, it is necessary to form screw holes for fastening the screws 121 in the housing 102. There is a problem in that the operation of attaching the button structure 103 to the housing 102 is troublesome. Further, since a large number of screws 121 are required, the number of parts increases, and the cost of the mounting structure increases.

The present invention has been made in view of the above points, and an object thereof is to provide a mounting structure for an operated member and an electronic device that can easily mount a push button structure to a housing while maintaining reliability. And

According to one aspect of the present invention, the above problem is
In the mounting structure of the operated member that attaches the operated member to the mounting surface of the housing,
The operated member includes a main body portion having a frame shape including a bottom plate portion, a side wall portion, and a top plate portion, a push button portion provided in the main body portion, and the side wall portion protruding toward the mounting surface. A hook formed so as to have a first engagement portion provided on the bottom plate portion,
The housing includes an engagement hole provided in the mounting surface, a pair of wall portions provided to face the back surface, and a second engagement portion formed in the bottom portion,
The hook is engaged with the engagement hole, both side wall portions of the operated member are engaged with the pair of wall portions, and the first engagement portion is engaged with the second engagement portion. By doing so, it is possible to solve the problem by the operated member mounting structure in which the operated member is attached to the mounting surface.
Further, in the above invention, a positioning projection having a projection amount corresponding to the mounting surface shape is formed on the operated member,
It is desirable that the positioning protrusion is in contact with the mounting surface in a state where the operated member is attached to the housing.
In addition, according to another aspect of the present invention, the above problem is
An electronic device having a housing and an operated member attached in the housing,
This can be solved by an electronic device comprising the operated member mounting structure according to claim 1 or 2.

  According to the present invention, the hook provided so as to extend in the attachment direction on the operated member engages with the engagement hole provided in the attachment surface (housing), so that it is detached from the attachment surface (Y Direction) and the displacement of the operated member in the vertical direction (Z direction) with respect to the bottom surface of the housing. Further, the displacement of the operated member in the direction parallel to the longitudinal direction of the mounting surface (X direction) is regulated by the engagement of the side wall portions of the operated member with the pair of wall portions. As a result, according to the present invention, the operated member is restricted from displacement in three orthogonal directions (X direction, Y direction, Z direction), so that the operated member has a highly reliable housing (mounting). Surface).

  Further, the mounting of the mounted member to the mounting surface (housing) is performed by simply engaging the both side wall portions of the operated member with the pair of wall portions and engaging the hooks with the engaging holes. For this reason, the mounting | wearing operation | work to the housing | casing of a to-be-mounted member can be performed easily. In addition, since the mounted member can be attached to the housing without using screws or the like as in the prior art, the number of parts can be reduced.

  Next, the best mode for carrying out the present invention will be described with reference to the drawings.

  FIGS. 1 to 6 are views for explaining a mounting structure of an operated member according to an embodiment of the present invention. In the following description, an example in which the push button structure 3 is an operated member and the push button structure 3 is attached to the housing 2 of the electronic device 1 will be described.

  FIGS. 1 and 2 are exploded perspective views showing, in an enlarged manner, a state before the push button structure 3 is attached to the front panel 4 (mounting surface) of the housing 2. FIG. 1 is a view of the push button structure 3 attached to the front panel 4 as viewed from the front of the front panel 4, and FIG. 2 is a view of the push button structure 3 as viewed from the rear of the front panel 4.

  The housing 2 is a resin molded product, and includes a front panel 4, a bottom portion 7, side ribs 8A and 8B, a bottom rib 9 and the like. The bottom 7, the front panel 4, the side ribs 8A and 8B, and the bottom rib 9 can be easily formed because they are integrally formed when the casing 2 is molded, and each part is formed separately. Compared to the above, the number of parts can be reduced and the cost can be reduced.

  The front panel 4 has button insertion holes 5A to 5C through which the push button portions 12A to 12C provided in the push button structure 3 are inserted, and engagement holes 6A and 6B that engage with the hooks 15A and 15B. Is formed. Further, side ribs 8A and 8B and a bottom rib 9 are formed on the back surface of the front panel 4.

  The side ribs 8A and 8B are formed on the back surface of the housing 2 so as to face and separate in the directions of arrows X1 and X2 in the figure. The side ribs 8A and 8B have a plate shape and are configured to stand on the bottom 7. The distance between the pair of side ribs 8A and 8B is selected to be a distance at which the push button structure 3 is attached. Since these side ribs 8A and 8B are joined to the back surface and the bottom 7 of the front panel 4, they are plate-shaped but have high rigidity.

  The bottom rib 9 (corresponding to the second engaging portion described in the claims) is formed so as to protrude from the bottom 7 of the housing 2. As will be described later, the bottom rib 9 corresponds to a triangular rib 14 formed on the push button structure 3 when the push button structure 3 is attached (corresponding to a first engaging portion described in claims). ). A screw hole 30 is formed at a substantially central position of the bottom rib 9. The bottom rib 9 also functions as a reinforcing rib that reinforces the vicinity of the front panel 4 of the housing 2.

  Next, in addition to FIG.1 and FIG.2, the pushbutton structure 3 is demonstrated using FIG. FIG. 3 is an enlarged perspective view showing the push button structure 3.

  The push button structure 3 is also a resin molded product, and the main body portion 10, the bottom plate portion 11, the push button portions 12A to 12C, the spring portions 13A to 13C, the triangular rib 14, the hooks 15A and 15B, and the protrusions 16 and 17 are integrated. It is set as the structure formed. Therefore, the push button structure 3 also has a reduced number of parts and a lower cost than a configuration in which individual parts are formed separately.

  The main body 10 includes a bottom plate portion 11, side wall portions 22A and 22B, and a top plate portion 22C, and has a frame shape as a whole. Inside the main body portion 10, cylindrical push button portions 12A to 12C are provided via spring portions 13A to 13C.

The spring portions 13A to 13C are configured to be elastically deformable. Therefore, when the push button portions 12A to 12C are pressed in the direction of the arrow Y2, the spring portions 13A to 13C are elastically deformed, whereby the push button portion 12A. -12C is displaced in the direction of arrow Y2. When the pressing operation force is released, the push button portions 12A to 12C are displaced in the Y1 direction by the elastic restoring force of the spring portions 13A to 13C and return to the original state.

  Further, the side wall portions 22A and 22B of the main body portion 10 extend in a direction in which the push button structure 3 is attached to the front panel 4 (in the direction indicated by the arrow Y1 in the figure), in other words, project toward the front panel 4. Hooks 15A and 15B are formed. The hooks 15A and 15B are constituted by arm portions 25A and 25B and claw portions 26A and 26B. The arm portions 25A and 25B have a cantilever structure in which one end is fixed to the main body portion 10, and claw portions 26A and 26B are formed on the other end. The arm portions 25A and 25B are elastically deformed so that the claw portions 26A and 26B can be displaced in the X1 and X2 directions.

  Further, recesses 23A and 23B are formed in the top plate portion 22C located at the upper portion of the main body portion 10. The recesses 23A and 23B are notches formed in the top plate portion 22C, and are formed at the edge on the back side of the top plate portion 22C (the edge on the arrow Y2 direction side of the top plate portion 22C in the figure). Yes. In this embodiment, the recess 23A is formed corresponding to the button portions 12A and 12B, and the recess 23B is formed corresponding to the button portion 12C. Specifically, the recess 23A is formed in the upper part of the button parts 12A and 12B, and the recess 23B is formed in the upper part of the button part 12C. However, the recess may be formed corresponding to each of the button portions 12A to 12C.

  On the other hand, the bottom plate portion 11 extends in the arrow Y2 direction at the bottom portion of the main body portion 10. A plurality of triangular ribs 14 whose cross section is a right triangle shape are formed on the bottom plate portion 11 of the main body portion 10. The protruding amount of each triangular rib 14 from the bottom plate 11 is configured to gradually increase in the direction of the arrow Y2 in the figure. Further, an upper protrusion 16 is formed on the upper portion of the main body 10 that is in a frame shape, and a lower protrusion 17 is formed on the lower portion of the main body 10 so as to protrude in the direction of the arrow Y1 in the figure. The protrusions 16 and 17 are formed so as to extend in the directions of arrows X1 and X2 in the drawing.

  Next, a method for attaching the push button structure 3 having the above structure to the front panel 4 and a structure after the attachment will be described. 4 to 6 show a state in which the push button structure 3 is attached to the front panel 4 (hereinafter, this state is referred to as an attached state).

  4 shows a cross section of the push button structure 3 attached to the front panel 4. FIG. 5 is a perspective view of the attached push button structure 3 as seen from the back, and FIG. The longitudinal cross section in the position of 12 A of pushbutton parts is shown. In addition, since the cross section in the position of pushbutton part 12B, 12C is equivalent to the cross section in the position of button 12A, illustration is abbreviate | omitted.

  In order to attach the push button structure 3 to the front panel 4, the hooks 15A and 15B of the push button structure 3 are positioned in the engagement holes 6A and 6B of the front panel 4, and the push button portions 12A to 12C are inserted into the button insertion holes. Position to 5A-5C. Subsequently, the push button structure 3 is pressed against the front panel 4 while maintaining this positioning state.

  Thereby, the hooks 15A and 15B are inserted into the engagement holes 6A and 6B. Moreover, pushbutton part 12A-12C is inserted in button insertion hole 5A-5C. Since the lengths of the push button portions 12A to 12C are larger than the thickness of the front panel 4, when the push button structure 3 is attached to the front panel 4, the front end portions of the push button portions 12A to 12C are the front panel. 4 protrudes from the surface of 4 by a predetermined amount (projects in the Y1 direction).

  Further, the distance between the claws 26A and 26B constituting the hooks 15A and 15B (indicated by the arrow L1 in FIG. 4) is the distance between the outer walls of the pair of engagement holes 6A and 6B (indicated by the arrow L2 in FIG. 4). ) (L1> L2). Therefore, when the hooks 15A and 15B are inserted into the engagement holes 6A and 6B, the arm portions 25A and 25B are inserted while being deformed inward. Further, step portions 27A and 27B are formed in the respective engagement holes 6A and 6B as shown in FIG. Therefore, when the claw portions 26A and 26B advance to the formation positions of the step portions 27A and 27B, the claw portions 26A and 26B engage with the step portions 27A and 27B.

Further, as described above, the triangular rib 14 is formed on the bottom plate portion 11 of the push button structure 3. When the push button structure 3 is in an attached state, the triangular rib 14 gets over the bottom rib 9 and engages with the bottom rib 9 as shown in FIG. Further, an insertion hole 31 is formed in the bottom plate portion 11. The insertion hole 31 is formed at a position facing the screw hole 30 when the push button structure 3 is attached to the housing 2 (see FIG. 2).

  On the other hand, on the back side of the front panel 4, a pair of side ribs 8 </ b> A and 8 </ b> B that are erected so as to extend in the Z <b> 1 direction from the bottom 7 are formed to face each other. When the push button structure 3 is attached, the push button structure 3 is attached between the pair of side ribs 8A and 8B. Then, the side wall portion 22A of the push button structure 3 is engaged with the side rib 8A, and the side wall portion 22B is engaged with the side rib 8B.

  As described above, when the push button structure 3 is attached to the housing 2, the circuit board 19 is attached to the rear portion of the push button structure 3 as shown in FIGS. 4 to 9. The circuit board 19 is provided with switches 18A to 18C in advance, and the switches 18A to 18C are provided with switch knobs 28A to 28C. In a state where the circuit board 19 is attached to the housing 2, the switch knobs 28A to 28C provided in the switches 18A to 18C are configured to face the corresponding push button portions 12A to 12C.

  In the state where the push button structure 3 is attached to the front panel 4 as described above, the front ends of the push button portions 12A to 12C protrude from the surface of the front panel 4 by a predetermined amount. Therefore, when the operator presses the push button portions 12A to 12C and the push button portions 12A to 12C are displaced in the arrow Y2 direction, the operated push button portions 12A to 12C press the switch knobs 28A to 28C. As a result, the switches 18A to 18C perform ON / OFF switching processing.

  Here, functions of the recesses 23A and 23B formed in the top plate portion 22C will be described. As described with reference to FIGS. 2 and 5, the top plate portion 22 </ b> C located at the upper portion of the main body portion 10 has the recesses 23 </ b> A and 23 </ b> B corresponding to the positions where the button portions 12 </ b> A to 12 </ b> C are disposed. . The recesses 23A and 23B have a function of preventing the switch knobs 28A to 28C provided in the switches 18A to 18C from colliding with the top plate portion 22C when the circuit board 19 is attached to the housing 2.

  This collision prevention function will be described with reference to FIGS. 8 to 10, the relationship between the switch 18C and the recess 23B will be described as an example. However, the relationship between the switches 18A and 18B and the recess 23A is similar to the relationship between the switch 18C and the recess 23B. The description is omitted.

FIG. 8 shows a state in the middle of mounting the circuit board 19 on the housing 2. As shown in the figure, the circuit board 19 is mounted with the circuit board 19 facing downward so that the tip of the switch knob 28C forms an arc as shown by an arrow B in FIG. At this time, in this embodiment, the concave portion 23B is formed in the top plate portion 22C, and the formation position of the concave portion 23B is set at the upper position of the button portion 12C, so that the switch knob 28C is connected to the front end portion (Y1 Even if it protrudes beyond the direction end), the tip of the switch knob 28C passes through the recess 23B. For this reason, when the circuit board 19 is attached to the housing 2, the switch knob 28C does not collide with the top plate portion 22C. FIG. 9 shows a state in which the circuit board 19 is mounted at a predetermined position of the housing 2. In this wearing state,
On the other hand, in the configuration in which the recess 23B is not formed, as shown in FIG. 10, when the circuit board 19 is attached to 2, the tip of the switch knob 28C may collide with the top plate 22C. In this way, when the switch knob 28C collides with the top plate portion 22C, a collision force acts on the soldering portion between the switch 18C and the circuit board 19, and stress is generated in the soldering portion. 18C may be damaged.

  On the other hand, in the present embodiment, the switch knob 28C passes through the recess 23B formed in the top plate portion 22C and is mounted at a predetermined position, so that the switch knob 28C does not collide with the top plate portion 22C. . Therefore, it is possible to prevent the switch 18C from being damaged and the connection failure from occurring in the soldered portion between the switch 18C and the circuit board 19. This effect is the same for the switches 18A and 18B (switch knobs 28A and 28B). When the circuit board 19 is mounted on the housing 2, the switches 18A and 18B are damaged, and the switches 18A and 18B A connection failure does not occur in a soldered portion with the circuit board 19.

  By the way, when the push button structure 3 is attached to the housing 2 as described above, the hooks 15A and 15B provided on the push button structure 3 are connected to the step portions 27A and 27B of the engagement holes 6A and 6B. Engage. As described above, when the hooks 15A and 15B are engaged with the engaging holes 6A and 6B, the displacement of the push button structure 3 in the direction in which the push button structure 3 is detached from the front panel 4 (in the direction of arrow Y2 in the drawing) Is regulated.

  Further, even if the push button structure 3 is about to be displaced in the vertical direction (arrow Z1, Z2 direction in the figure) with respect to the bottom portion 7, the arm portions 25A, 25B are in contact with the upper inner wall and the lower inner wall of the engagement holes 6A, 6B. Touch. For this reason, in this embodiment, the displacement of the push button structure 3 with respect to the vertical direction with respect to the bottom 7 is also restricted.

  Further, in the attached state, the push button structure 3 is attached between the pair of side ribs 8A and 8B as described above, the side wall portion 22A engages with the side rib 8A, and the side wall portion 22B is on the side. It is in the state engaged with the part rib 8B. Therefore, even when the push button structure 3 is about to be displaced in a direction parallel to the longitudinal direction of the front panel 4 (in the direction of arrows X1 and X2 in the figure) in the mounted state, the displacement in the X1 direction causes the side wall portion 22A to be displaced by the side rib 8A. And the displacement in the X2 direction is restricted by the side wall portion 22B coming into contact with the side rib 8B.

  Furthermore, the triangular rib 14 formed on the bottom plate portion 11 of the push button structure 3 is in the bottom portion 7 of the housing 2 in the attached state (the upper protrusion 16 and the lower protrusion 17 are in contact with the back surface of the front panel 4). It engages with the bottom rib 9 formed in (see FIG. 6). Since the triangular rib 14 has a triangular shape with a right-angled cross section in which the protruding amount from the bottom plate portion 11 gradually increases in the Y2 direction as described above, when the triangular rib 14 engages with the bottom rib 9, the push button structure 3 Displacement in the direction of arrow Y2 is restricted. As described above, the upper protrusion 16 and the lower protrusion 17 are in contact with the back surface of the front panel 4 and the bottom rib 9 and the triangular rib 14 are engaged with each other, whereby the push button structure 3 is moved in the directions of the arrows Y1 and Y2. Displacement is regulated.

  Thus, according to the mounting structure according to the present embodiment, the push button structure 3 is displaced in three directions orthogonal to the housing 2 (X1, X2, Y1, Y2, and Z1, Z2 directions). Are regulated. For this reason, the push button structure 3 can be attached to the housing 2 (front panel 4) with high reliability.

  In the mounting structure according to the present embodiment, the mounting operation for mounting the push button structure 3 to the front panel 4 is performed by simply inserting the push button structure 3 between the pair of side ribs 8A and 8B, 15B is inserted into the engagement holes 6A and 6B and engaged, and at the same time, the triangular rib 14 is engaged only with the bottom rib 9. For this reason, the mounting operation | work to the housing | casing 2 of the pushbutton structure 3 can be performed easily. Further, since the push button structure 3 can be attached to the housing 2 without using a screw or the like as in the prior art, the number of parts can be reduced.

  Further, in this embodiment, the engagement holes 6A and 6B in the attached state are elastically deformed so as to be separated from the stepped portions 27A and 27B, thereby releasing the engagement therebetween, and the bottom plate portion 11 has the triangular rib 14 as the bottom rib. By engaging the elastic deformation so as to be away from 9, the engagement between the two can be released. As a result, it is possible to remove the push button structure 3 in the attached state from the housing 2, thereby improving maintainability.

  The functions of the hooks 15A and 15B and the engagement holes 6A and 6B engaged therewith are to control the displacement of the push button structure 3 in the Y2 direction, and the push button structure 3 in the Z1 and Z2 directions. The main purpose is displacement regulation. However, the displacement restriction of the push button structure 3 in the Y2 direction is performed by the engagement of the triangular rib 14 formed on the bottom plate portion 11 and the bottom rib 9 formed on the bottom portion 7 of the housing 2. Yes. Further, the displacement restriction of the push button structure 3 in the Z1 and Z2 directions is performed by inserting the button portions 12A to 12C into the button insertion holes 5A to 5C. For this reason, it is possible to fix the push button structure 3 to the housing 2 without forming the hooks 15A and 15B.

  Further, in the above-described embodiment, the triangular rib 14 formed on the bottom plate portion 11 and the bottom rib 9 formed on the bottom portion 7 of the housing 2 engage with each other to restrict the displacement of the push button structure 3 in the Y2 direction. Also configured to be performed by. However, it is not always necessary to form the triangular rib 14 on the push button structure 3. For example, an engagement portion (for example, a protrusion) is formed on the bottom 7 of the housing 2, and the push button structure 3 is formed on the housing 2. It is good also as a structure which the edge part (Y2 direction edge part) of the baseplate part 11 engages with an engaging part in the state mounted | worn in the predetermined position. Even with this configuration, the displacement of the push button structure 3 in the directions of the arrows Y1 and Y2 can be restricted.

  Further, as described above, the insertion hole 31 is formed in the bottom plate portion 11 of the push button structure 3, and the screw hole 30 is formed in the bottom rib 9 of the housing 2. As described above, the screw hole 30 and the insertion hole 31 are configured to coincide with each other when the push button structure 3 is attached to the housing 2 as shown in FIG.

  In the configuration described above, the hooks 15A and 15B are engaged with the step portions 27A and 27B, the arm portions 25A and 25B are in contact with the upper inner wall and the lower inner wall of the engagement holes 6A and 6B, and the side wall portions 22A and 22B are the side portions. By engaging with the ribs 8A and 8B and the triangular rib 14 with the bottom rib 9, the push button structure 3 is in three directions orthogonal to the housing 2 (X1, X2, Y1, Y2, Z1, Displacement in each direction of Z2 is restricted. However, when the push button structure 3 is to be firmly fixed to the housing 2, as shown in FIG. 12, the insertion hole 31 is inserted and the screw 32 is fastened to the screw hole 30. 3 may be fixed to the housing 2. Thereby, it is possible to reliably prevent the push button structure 3 from being displaced or detached from the housing 2.

  On the other hand, in the present embodiment, an upper projection 16 is formed on the upper portion of the main body portion 10 having a frame shape, and a lower projection 17 is formed on the lower portion. Further, the protruding amount of each of the protrusions 16 and 17 is set corresponding to the inclination with respect to the bottom 7 of the front panel 4. Hereinafter, this reason will be described.

  That is, as shown in FIG. 6, in this embodiment, the inclination θ with respect to the bottom 7 of the front panel 4 is not 90 °, but is slightly larger than 90 ° (θ> 90 °). Therefore, in the structure in which the protrusions 16 and 17 are not provided on the main body 10, when the lower part of the push button comes into contact with the back surface of the front panel 4, a gap is formed between the upper part of the push button and the back surface of the front panel 4. It becomes a state. For this reason, even if the hooks 15A and 15B are engaged with the engagement holes 6A and 6B and the triangular rib 14 is engaged with the bottom rib 9, the push button structure 3 is not attached to the front panel 4 due to this gap. Will be displaced, making it impossible to mount stably.

  However, as in the present embodiment, the projection amounts of the projections 16 and 17 are set in accordance with the inclination θ with respect to the bottom portion 7 of the front panel 4 so that the projections 16 and 17 come into contact with the front panel 4 in the mounted state. As a result, the push button structure 3 comes into close contact with the front panel 4 (housing 2). For this reason, the push button structure 3 can be attached to the housing 2 in a stable state.

  In the mounting structure according to the present embodiment, it is necessary to provide the engagement holes 6A and 6B in which the hooks 15A and 15B are locked to the front panel 4 (see FIG. 7A). The engagement holes 6A and 6B may cause a problem in the design of the electronic device 1. However, as shown in FIG. 7B, this problem can be easily solved by sticking the nameplate 20 to the front panel 4.

  The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the specific embodiments described above, and various modifications can be made within the scope of the present invention described in the claims. It can be modified and changed.

FIG. 1 is an exploded perspective view of a mounting structure of an operated member according to an embodiment of the present invention when viewed from the front. FIG. 2 is an exploded perspective view of the operation member mounting structure according to the embodiment of the present invention as viewed from the back. FIG. 3 is an enlarged perspective view showing the push button. FIG. 4 is a transverse cross-sectional view of the operated member mounting structure according to an embodiment of the present invention. FIG. 5 is a rear perspective view of the operated member mounting structure according to an embodiment of the present invention. FIG. 6 is an enlarged cross-sectional view showing a mounting structure for an operated member according to an embodiment of the present invention. 7A and 7B are perspective views showing an electronic apparatus to which an operated member mounting structure according to an embodiment of the present invention is applied. FIG. 7A shows a state before the nameplate is mounted, and FIG. 7B shows a nameplate. It is a figure which shows the state mounted | worn. FIG. 8 shows a state in which a circuit board is mounted on a casing in an electronic apparatus to which an operated member mounting structure according to an embodiment of the present invention is applied. FIG. 8A is a plan view showing the vicinity of a recess. The figure and (B) are sectional drawings which follow the AA line in (A). FIG. 9 shows a state in which a circuit board 19 of an electronic device to which an operation member mounting structure according to an embodiment of the present invention is applied is mounted on the housing 2, and FIG. 9A is a plane showing the vicinity of the recess. The figure and (B) are sectional drawings which follow the AA line in (A). 10A and 10B show a state where a circuit board is mounted on a housing in an electronic apparatus to which an operation member mounting structure without a recess is applied, where FIG. 10A is a plan view and FIG. It is sectional drawing which follows the AA line in FIG. FIG. 11 shows a state in which a circuit board is mounted on a housing without using a screw in an electronic apparatus to which an operation member mounting structure according to an embodiment of the present invention is applied. A perspective view showing the vicinity of the hole 31, (B) is a cross-sectional view of the screw hole 30 and the insertion hole 31. FIG. 12 shows a state in which a circuit board is mounted on a casing using screws in an electronic apparatus to which an operated member mounting structure according to an embodiment of the present invention is applied, and (A) shows an insertion hole. 31 is a perspective view showing the vicinity of FIG. 31, and (B) is a sectional view of the screw hole 30 and the insertion hole 31. FIG. FIG. 11 is an exploded perspective view of an operation member mounting structure as an example of the prior art, as viewed from the front.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Electronic device 2 Housing | casing 3 Push button structure 4 Front panel 5A-5C Button insertion hole 6A, 6B Engagement hole 8A, 8B Side rib 9 Bottom rib 10 Main part 11 Bottom plate part 12A-12C Push button part 14 Triangular rib 15A, 15B Hook 16 Upper projection 17 Lower projection 18A-18C Switch 19 Circuit board 20 Name plate 30 Screw hole 31 Insertion hole 32 Screw

Claims (3)

In the mounting structure of the operated member that attaches the operated member to the mounting surface of the housing,
The operated member includes a main body portion having a frame shape including a bottom plate portion, a side wall portion, and a top plate portion, a push button portion provided in the main body portion, and the side wall portion protruding toward the mounting surface. A hook formed so as to have a first engagement portion provided on the bottom plate portion,
The housing includes an engagement hole provided in the mounting surface, a pair of wall portions provided to face the back surface, and a second engagement portion formed in the bottom portion,
The hook is engaged with the engagement hole, both side wall portions of the operated member are engaged with the pair of wall portions, and the first engagement portion is engaged with the second engagement portion. by causing mounting structure of the operation member, characterized in that attaching the the operated member to the mounting surface. A positioning protrusion having a protrusion amount corresponding to the mounting surface shape is formed on the operated member,
The structure for mounting an operated member according to claim 1 , wherein the positioning protrusion is in contact with the mounting surface in a state where the operated member is mounted on the casing.   An electronic device having a housing and an operated member attached in the housing,
  An electronic apparatus comprising the operated member mounting structure according to claim 1.

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