JP7629345B2 - Electronic Assembly - Google Patents

Description

Applicable under Article 30, Paragraph 2 of the Patent Act. On sale from December 14, 2020 at Kitadenshi Co., Ltd. (Head office: 1-7-7 Nishiikebukuro, Toshima-ku, Tokyo, Tokyo Nishiikebukuro Building 12F)

The present invention relates to an electronic component assembly.

For example, a switch (electronic component assembly) as described in Patent Document 1 is known in the prior art. This type of switch includes a cylindrical case, a button that reciprocates within the case and is fitted with a movable contact, a base that is fitted with a fixed contact that engages and disengages with the movable contact, and a cover that seals the base and the like.

JP 2008-66194 A

However, in conventional switches, the cover is snap-fitted to the case, and the cover's engagement tabs are exposed to the outside. Therefore, while the switch is in use, there is a risk that the engagement tabs may be disengaged to detach the cover from the case, leading to tampering with the base, etc.

Therefore, the objective of the present invention is to provide an electronic component assembly whose cover cannot be removed.

As a means for solving the above problem, the present invention provides an electronic component assembly comprising a cylindrical case, an electronic component disposed on one side within the case, a base disposed on the other side of the electronic component within the case, and a cover disposed on the other side of the base within the case, the case and the base engage in an axial direction, the base and the cover engage, and the engaging portion of the case and the cover and the engaging portion of the base and the cover are concealed from the outside.

With this configuration, the engaging parts of the case and cover and the engaging parts of the base and cover are hidden from the outside, so that each engaging part cannot be accessed from the outside. This means that the cover cannot be detached from the case. Therefore, the base and cover cannot be removed and the base and/or electronic components cannot be modified.

The base and the cover may be fitted together by sliding relative to one another in the radial direction, and may be configured to be engaged in the axial direction when fitted.

With this configuration, the base and cover fit together by sliding relative to one another in the radial direction, and are engaged in the axial direction when in the fitted state, making it relatively difficult for the base and cover to come off in the axial direction.

The base and the cover may also be configured to abut and be constrained against the case in the radial direction.

With this configuration, the base and cover are in contact with and constrained by the case in the radial direction, and cannot move away from each other. In other words, the cover cannot detach from the base, and the fit between the cover and base can be maintained.

The present invention provides an electronic component assembly in which the cover cannot be removed.

FIG. 2 is a perspective view of the switch according to the embodiment. 1 is a vertical cross-sectional view (cross-sectional view taken along line X1-X1 in FIG. 1) of the switch according to the embodiment. FIG. 2 is an exploded perspective view of the switch according to the embodiment. FIG. 2 is a vertical cross-sectional view of the case according to the embodiment. FIG. 2 is a perspective view of a base according to the embodiment. 6 is a right side view (view taken along the X2 arrow in FIG. 5 ) of the base according to the embodiment. FIG. 6 is a vertical cross-sectional view (cross-sectional view taken along line X3-X3 in FIG. 5) of the base according to the embodiment. 9A and 9B are longitudinal cross-sectional views of the base and cover according to the present embodiment (cross-sectional views taken along line X4-X4 in FIG. 5 and line X6-X6 in FIG. 9). FIG. 2 is a perspective view of a cover according to the embodiment. 10 is a right side view (view taken along the X5 arrow in FIG. 9 ) of the cover according to the embodiment. 7 is a partially sectional perspective view (corresponding to the cross section taken along line X7-X7 in FIG. 2) showing an assembled state of the base and the cover according to the embodiment. FIG.

One embodiment of the present invention will be described with reference to Figs. 1 to 11. Note that the directions shown in Figs. 1 to 11 are based on "FRONT, REAR, LEFT, RIGHT, TOP, BOTTOM." However, the orientation of the switch 1 is not limited to these directions.

<Switch configuration>
The switch 1 (electronic component assembly) according to this embodiment is a settlement switch (settlement button) for a slot machine (not shown), with the upper side facing the front of the slot machine (player side) and the lower side facing the inside of the slot machine. However, the purpose and mode of use of the switch 1 are not limited to this.

The switch 1 has a generally cylindrical shape and is centered on an axis O1 that extends in the vertical direction (see FIG. 1). However, the shape of the switch 1 may also be, for example, generally rectangular prism-like. The axial direction of the switch 1 is the vertical direction, and the radial direction of the switch 1 is a direction perpendicular to the axial direction (including the left-right direction and the front-back direction).

The switch 1 comprises a case 100, a button 200 (electronic component), a base 300, a cover 400, two fixed contacts 500, 500, and a harness 600 (see FIG. 3). The button 200 is located on the upper side (one side) within the case 100 (see FIG. 2 and FIG. 3), the base 300 is located on the lower side (the other side) of the button 200, and the cover 400 is located on the lower side (the other side) of the base 300.

The case 100, button 200, base 300, and cover 400 are made of synthetic resin. Therefore, each part of the case 100, button 200, base 300, and cover 400 can be elastically deformed as appropriate. The case 100, etc. may be either opaque or transparent, but it is preferable that at least the case 100 is colored to conceal the inside. Furthermore, when the case 100, etc. are assembled, the axis O1, which is the center line of the switch 1, the axis O11 of the case 100, the axis O12 of the button 200, the axis O13 of the base 300, and the axis O14 of the cover 400 are aligned.

<Case>
Case 100 is a cylindrical housing that houses button 200 and the like (see FIGS. 2 to 4). However, case 100 is not limited to a cylindrical shape, and may be, for example, a regular square tube or a regular hexagonal tube. Case 100 includes a cylindrical peripheral wall portion 110 and an intermediate wall portion 120. Intermediate wall portion 120 divides the interior of peripheral wall portion 110 in the axial direction (up and down direction), dividing it into a first storage chamber 101 above and a second storage chamber 102 below.

The first storage chamber 101 is a space that mainly houses the button 200 (see Figures 2 and 4). The second storage chamber 102 is a space that mainly houses the base 300, the cover 400, the fixed contacts 500, and the harness 600. The peripheral wall portion 110 includes a first peripheral wall portion 111 that surrounds the first storage chamber 101, and a second peripheral wall portion 112 that surrounds the second storage chamber 102.

<Case - Peripheral wall>
Two protrusions 113, 113 that protrude radially inward are formed on the inner peripheral surface of the second peripheral wall portion 112 (see FIG. 4). The two protrusions 113, 113 face each other with respect to the axis O11 and are disposed on a diameter line passing through the left-right direction. Each protrusion 113 is a portion that engages with an engagement claw 332 (see FIGS. 5 to 7) of the base 300 in the axial direction (see FIG. 2).

In addition, when assembled, the engagement portion of the protrusion 113 and the engagement claw 332 is hidden from the outside, i.e., it is not exposed to the outside. This means that the engagement portion of the protrusion 113 and the engagement claw 332 cannot be accessed from the outside, and the diameter of the engagement claw 332 cannot be reduced from the outside with a tool or the like, and the engagement claw 332 cannot be detached from the protrusion 113.

The lower surface 113a of the protrusion 113 is a tapered surface that gradually expands in diameter as it approaches the bottom (see FIG. 4). This allows the legs 330 to easily elastically deform radially inward when the base 300 is inserted into the case 100 from below, and the engagement claws 332 to easily overcome the protrusion 113.

Two through holes 114, 114 are formed on the upper side of the second peripheral wall portion 112. The two through holes 114, 114 are holes that penetrate the second peripheral wall portion 112 in the left-right direction, face each other about the axis O11, and are arranged on a diameter line passing through the left-right direction. Each through hole 114 is a hole into which the engagement claw 242 of the button 200 is inserted (see Figures 2 and 3), and guides the engagement claw 242 in the axial direction.

<Case - Intermediate wall>
The intermediate wall portion 120 is a wall portion integrally formed with the peripheral wall portion 110, and is disposed slightly above the middle position of the case 100 in the axial direction (see FIG. 4). The intermediate wall portion 120 includes an inner first cylindrical portion 121 and a second cylindrical portion 122 formed on the outer side of the first cylindrical portion 121.

A guide hole 123 is formed in the first cylindrical portion 121. The guide hole 123 is an insertion hole through which the shaft portion 230 of the button 200 is inserted, and guides the shaft portion 230 in the axial direction (see Figures 2 and 4). The first cylindrical portion 121 is formed to be longer than the second cylindrical portion 122, and stably guides the shaft portion 230.

A return coil spring 261 is interposed between the first cylindrical portion 121 and the second cylindrical portion 122 (see Figures 2 and 4). That is, the first cylindrical portion 121 and the second cylindrical portion 122 support the position of the return coil spring 261 in the axial direction.

A through hole 124 is formed on the left and right sides of the intermediate wall portion 120, radially outside the second cylindrical portion 122 (see FIG. 4). The through hole 124 is a through hole through which the arm 240 is inserted (see FIG. 2). That is, the two through holes 124, 124 are symmetrical with respect to the axis O11, and are arranged on a diameter line passing through the left-right direction. Each through hole 124 is arc-shaped when viewed in the axial direction.

＜Button＞
The button 200 is pressed by the player to switch between saving and paying out credits. The button 200 includes a button body 210 that reciprocates between an upper initial position (see FIG. 2) and a lower pressed-in position inside the case 100, a movable contact 251, and a return coil spring 261 (see FIGS. 2 and 3).

The button body 210 comprises a disk-shaped operating part 220 that is operated by the player, a shaft part 230 that extends downward from the centre of the underside of the operating part 220, and arms 240, 240 that extend downward from the left and right sides of the operating part 220, respectively.

The operating unit 220 is disposed within the first peripheral wall portion 111 so as to be freely slidable in the axial direction. A return coil spring 261 is compressed between the operating unit 220 and the intermediate wall portion 120. The return coil spring 261 biases the operating unit 220 upward so that the operating unit 220 (button body 210) returns to its initial position.

The shaft portion 230 is cylindrical and is inserted into the guide hole 123 (see FIG. 4). A retaining hole 231 is formed at the lower end of the shaft portion 230, which penetrates in the front-rear direction and is a long hole in the up-down direction. A rod-shaped movable contact 251 extending in the front-rear direction is attached to the retaining hole 231, and the retaining hole 231 holds the movable contact 251 slidably in the axial direction.

A coil spring 252 is provided inside the shaft portion 230, which contacts the upper surface of the movable contact 251 and biases the movable contact 251 downward. In other words, the coil spring 252 is compressed between the operating portion 220 and the movable contact 251.

When the button body 210 is pressed down, the coil spring 252 contracts slightly, and the movable contact 251 slides slightly upward within the retaining hole 231, contacting the fixed contacts 500, 500 with an appropriate contact pressure. After the button body 210 is pressed down, when the player releases the downward pressure, the button body 210 is returned to its initial position by the return coil spring 261.

The arm 240 is a long, thin plate-like piece that extends downward from the left/right side of the operating unit 220 and can elastically deform radially inward. The arm 240 is inserted into the insertion hole 124, and the lower end 241 of the arm 240 protrudes downward from the insertion hole 124.

An engagement claw 242 is formed so as to protrude radially outward from the outer circumferential surface of the lower end 241. The engagement claw 242 is inserted into the through hole 114 and is slidable up and down within the through hole 114 (see FIG. 2). That is, in the axial direction, the engagement claw 242 engages (abuts) with the inner upper surface 114a of the through hole 114, thereby holding (locking) the button body 210 in an initial upward position.

The outer peripheral surface 243 of the lower end 241 and the engaging claw 242 is a tapered surface that narrows in diameter as it approaches the bottom. As a result, when the button body 210 is inserted from above the case 100, the outer peripheral surface 243 slides against the case 100 while the arm 240 smoothly narrows in diameter, allowing the button body 210 to be properly attached to the case 100.

<Bass>
The base 300 is a member for attaching the cover 400 to the case 100, and is a member for holding the fixed contacts 500, 500, as well as a socket into which the first plug 610 is inserted (see FIGS. 5 to 8).

The base 300 comprises a substantially disk-shaped base 310, two pluggable parts 320, 320 extending upward from the left and right sides of the base 310, two legs 330, 330 extending downward from the left and right sides of the base 310, and a socket part 340 extending downward from the center of the base 310. However, the number of pluggable parts 320 and legs 330 is not limited to this and may be three or more.

<Base - Base>
The base portion 310 is disposed at an intermediate height of the base 300. Two insertion holes 311, 311 are formed in the center of the base portion 310, through which the fixed contacts 500, 500 are inserted and held (see FIG. 7).

The underside of the base 310 includes a first underside 312 on the left side that is roughly semicircular, a second underside 313 on the right side that is roughly semicircular and formed one step lower, and a step surface 314 that is formed between the first underside 312 and the second underside 313 and extends in the up-down and front-to-rear directions (see FIG. 5).

The first lower surface 312 is a surface that mates with the first upper surface 423 (see FIG. 9) of the cover 400. The second lower surface 313 is a surface that mates with the second upper surface 424 (see FIG. 9) of the cover 400.

The step surface 314 is a surface that abuts against the step surface 425 (see Figure 9) of the cover 400 in the left-right direction (assembly direction, mating direction) when the base 300 and the cover 400 are mated.

In this way, the step surface 314 of the base 300 and the step surface 425 of the cover 400 come into contact, and further, the front flange 344 (see Figures 5 and 8) described below comes into contact with the left inner surface 427b of the front engagement groove 427, so that the axis O13 (see Figures 5 to 8) passing through the center of the base 300 and the axis O14 (see Figures 8 to 10) passing through the center of the cover 400 are aligned. In other words, the step surfaces 314 and 425, which come into contact in the left-right direction, and the flange 344 and the left inner surface 427b constitute an axis alignment mechanism that aligns the axis O13 of the base 300 and the axis O14 of the cover 400 in the fitted state.

When the base 300 and cover 400 are fitted together and assembled into the case 100, the axis O13 and axis O14 are configured to coincide with the axis O11 of the case 100 (see Figure 2).

Furthermore, the base 300 and cover 400, when fitted together, abut against the inner surface of the case 100 in the left-right direction and are restrained in the left-right direction (see FIG. 2). This prevents the base 300 and cover 400 from moving away from each other in the left-right direction and from separating.

<Base - Inserted Part>
The two insertion portions 320, 320 are portions that are inserted between the first cylindrical portion 121 of the case 100 and the arm 240 of the button 200 when the base 300 is assembled to the case 100 (see FIG. 2). This prevents the arm 240 from elastically deforming radially inward, and prevents the engagement claws 242 from coming off the through-holes 114. Therefore, the button body 210 will not come off the case 100.

Each insertion portion 320 has an approximately quarter-arc shape in a planar cross-sectional view, and includes a main body portion 321 that is approximately quarter-arc shaped, and guide portions 322, 322 that are formed with a thick wall on the radially outward side from both circumferential ends of the main body portion 321 (see FIG. 5). A guide groove 323 is formed between the two guide portions 322, 322 to guide the arm 240 (see FIG. 3) in the axial direction while restricting it in the circumferential direction. This keeps the button body 210 in a non-rotating state in the circumferential direction.

<Base - Legs>
The two legs 330, 330 are portions that engage with the inner peripheral surface of the case 100 and also engage with the cover 400. Each leg 330 includes a main body 331 and an engagement claw 332 formed on the outer peripheral surface of the main body 331 so as to protrude radially outward.

The main body 331 is thin and can be elastically deformed radially inward. The main body 331 is generally L-shaped when viewed from the left to right (see FIG. 6), and has a notch 333 formed on the base 310 side and rear side. That is, the main body 331 has an engagement portion 334 on its lower side that protrudes rearward. The engagement portion 334 is a portion that engages (fits) with the rear engagement groove 428 of the cover 400 (see FIGS. 8 to 10).

The engagement claw 332 is a part that engages with the protrusion 113 (see FIG. 4) of the case 100 in the axial direction. The engagement claw 332 and the protrusion 113 engage with each other to prevent the base 300 from detaching from the case 100.

The upper surface 332a of the engagement claw 332 is a tapered surface that gradually reduces in diameter as it extends upward. As a result, when the base 300 is inserted through the lower opening of the case 100 and assembled, the engagement claw 332 and the leg 330 elastically deform radially inward, allowing the engagement claw 332 to easily overcome the protrusion 113.

The lower surface 332b (engagement surface) of the engagement claw 332 is a tapered surface that expands in diameter as it extends downward (see FIG. 7). In other words, the lower surface 332b (engagement surface) is an inclined surface that slopes downward as it extends radially outward. As a result, when a downward force is applied to the base 300 to remove the base 300 from the case 100, the engagement claw 332 expands in diameter while sliding along the lower surface 332b, which is a tapered surface (inclined surface), meaning that the leg 330 opens radially outward, and the engagement claw 332 does not detach from the protrusion 113.

<Base-socket part>
The socket portion 340 is a portion into which a first plug 610 (see FIG. 3) described below is inserted. The socket portion 340 has a generally rectangular cylindrical shape, and a socket hole 341 into which the first plug 610 is inserted is formed in the center.

The socket portion 340 has a front half 342 and a rear half 342. The front half 342 and the rear half 342 are symmetrical in the front-to-rear direction about the axis O13. When the first plug 610 is inserted, the socket portion 340 opens in the front-to-rear direction, that is, the front half 342 elastically deforms forward and the rear half 342 elastically deforms rearward, so that the first plug 610 is attached to the socket portion 340.

Each half 342 has a half body 343 that is U-shaped in plan view, a flange 344 that extends forward (rearward) from the outer peripheral surface of the lower end of the half body 343, and an engagement claw 345 (see FIG. 5) that protrudes from the upper right corner of the front (rear) surface of the half body 343.

The front flange 344 is the part that engages (fits) into the front engagement groove 427 of the cover 400 (see Figures 8 to 10). The rear flange 344 is the part that engages (fits) into the rear engagement groove 428 of the cover 400.

In other words, the base 300 and cover 400 are configured to slide relatively closer to each other in the left-right direction (radial direction) so that the front flange 344 fits (engages) with the front engagement groove 427, and the rear flange 344 and the engagement portion 334 of the leg 330 fit (engage) with the rear engagement groove 428 (see FIG. 8). In this engaged state, the base 300 and cover 400 are engaged in the up-down direction.

Here, the engagement (fitting) portion between the front flange 344 and the front engagement groove 427, and the engagement (fitting) portion between the rear flange 344 and the engagement portion 334 of the leg 330 and the rear engagement groove 428 are hidden from the outside. In other words, these engagement (fitting) portions cannot be accessed from the outside using tools or the like. Therefore, after the switch 1 is assembled, the base 300 and the cover 400 cannot be separated.

The two engaging claws 345, 345 are parts that engage with the engaging holes 426, 426 of the cover 400 in the left-right direction. In other words, when the base 300 and the cover 400 are engaged (fitted), the half 342 of the base 300 and the side wall portion 420 of the cover 400 are snap-fit connected based on their respective elastic forces. In this way, the engaging claws 345 engage with the engaging holes 426 and snap-fit connected, so that the base 300 and the cover 400 do not come apart in the left-right direction or the up-down direction.

The left surface 345a (cover side surface) of each engagement claw 345 is a tapered surface approaching the axis O13 toward the left (see FIG. 5). This allows the side wall portions 420, 420 of the cover 400 to easily elastically deform forward/backward (see FIG. 11, arrow A2) when the base 300 is assembled to the cover 400 (see FIG. 11, arrow A1).

<Cover>
The cover 400 is a member that covers the lower opening of the case 100, thereby covering the lower part of the base 300. The cover 400 includes a disk-shaped base 410 and two side walls 420, 420 extending upward from the front and rear sides of the base 410. Between the two side walls 420, 420, an insertion groove 430 into which the base 300 is inserted is formed. That is, the cover 400 is substantially U-shaped when viewed in the left-right direction (see FIG. 10). The front and rear sides of the insertion groove 430 are open to the outside.

<Cover base>
A notch 411 is formed on the right side of the base 410 to guide the lead wire 630 of the harness 600 to the outside.

<Cover - Side wall>
The two side walls 420, 420 are generally symmetrical about the axis O14 when viewed in the left-right direction (see FIG. 10). The two side walls 420, 420 are adapted to elastically deform radially outward (front/rear) when the cover 400 and the base 300 are assembled (see arrow A2 in FIG. 11). Each side wall 420 is generally 1/2 cylindrical and includes a pedestal portion 421 in the lower 1/3 portion and a side wall body 422 formed above the pedestal portion 421.

A quarter-circle first upper surface 423 is formed on the left side of the upper surface of each side wall body 422, and a quarter-circle second upper surface 424 is formed on the right side (see FIG. 9). The second upper surface 424 is one step lower than the first upper surface 423. A step surface 425 is formed between the first upper surface 423 and the second upper surface 424, extending in the front-rear and up-down directions.

An engagement hole 426 that opens inward and upward is formed on the inner side (axis O14 side) and upper side of each second upper surface 424.

A front engagement groove 427 is formed on the inside (axis O14 side) of the front side wall main body 422. The right side (the fitting opening side) of the front engagement groove 427 is open to the outside, but the left side (the opposite side of the fitting opening) of the front engagement groove 427 is closed and does not open to the outside. In addition, the front and lower corner of the front engagement groove 427 is an inclined surface 427a. When the cover 400 and the base 300 are fitted together, the front flange 344 of the base 300 abuts against the left inner surface 427b of the front engagement groove 427.

A rear engagement groove 428 is formed on the inside of the rear side wall body 422. The right side (the fitting opening side) and left side (the opposite side to the fitting opening) of the rear engagement groove 428 are open to the outside.

In this way, the shape of the front engagement groove 427 and the shape of the rear engagement groove 428 are different, making it easier to grasp the orientation of the cover 400. This prevents incorrect assembly of the cover 400 and the base 300.

<Fixed contact>
The two fixed contacts 500, 500 are metallic conductive members with which the movable contact 251 comes into contact/separates in response to the operation of the button 200. Each fixed contact 500 includes a contact portion 510 with which the movable contact 251 comes into contact/separates, and a terminal portion 520 extending downward from the contact portion 510.

The terminal portion 520 is inserted into and held in the insertion hole 311 of the base 300.

<Harness>
The harness 600 is a wiring that transmits a signal from the fixed contact 500 based on the operation of the button 200 to an external circuit (not shown). The harness 600 includes a first plug 610, a second plug 620, and a lead wire 630.

The first plug 610 is the part that is inserted into the socket portion 340 described above. The second plug is the part that is inserted into an external circuit (not shown). The lead wire 630 is a wire that connects the first plug 610 and the second plug 620.

<How to assemble the switch>
One method of assembling the switch 1 will now be described.
The button 200, in which the movable contact 251 and the like are assembled to the button body 210, is inserted into the upper opening of the case 100 while being aligned in the circumferential direction. Then, after the arms 240 elastically deform radially inward, the engagement claws 242 engage with the through holes 114, and the button 200 is assembled to the case 100.

Next, the leg portion 330 and the socket portion 340 of the base 300 are inserted into the insertion groove 430 of the cover 400 from the right side (see arrow A1 in FIG. 11). Then, after the two side walls 420, 420 open (see arrow A2 in FIG. 11), the two engagement claws 345, 345 are received in the two engagement holes 426, 426, and the base 300 and the cover 400 fit together and are further engaged in the left-right direction.

Next, the base 300 and cover 400 are inserted into the lower opening of the case 100. Then, the legs 330, 330 of the base 300 elastically deform radially inward, and the engagement claws 332, 332 of the base 300 engage with the protrusions 113, 113 of the case 100 in the axial direction. As a result, the base 300 and cover 400 engage with the case 100 in the axial direction, and are assembled to the case 100.

<Switch action and effect>
The function and effect of the switch 1 will now be described.
(1) the engagement portion between the protrusion 113 of the case 100 and the engagement claw 332 of the base 300, and (2) the engagement portion between the engagement portion 334 and the flange portion 344 of the base 300 and the front engagement groove 427 and the rear engagement groove 428 of the cover 400 are hidden from the outside, and therefore cannot be accessed from the outside. As a result, the base 300 and the cover 400 cannot be detached from the case 100 after assembly.

The base 300 and the cover 400 are restrained in the left-right direction within the case 100, so the base 300 and the cover 400 cannot move relatively away from each other in the left-right direction. This prevents the base 300 and the cover 400 from coming off, and the engagement between the base 300 and the cover 400 in the axial direction is maintained, so the cover 400 will not come off the base 300.

<<Variations>>
Although one embodiment of the present invention has been described above, the present invention is not limited to this embodiment and may be modified, for example, as follows.

In the above embodiment, the electronic component assembly is a switch 1 and the electronic component is a button 200, but other configurations are also possible, for example, in which the electronic component assembly is an LED (Light Emitting Diode) lighting device and the electronic component is an LED.

In the above embodiment, the engagement configuration of the case 100 and the base 300 is exemplified as a configuration in which the case 100 has a protrusion 113 that does not elastically deform, and the base 300 has a leg 330 and an engagement claw 332 that elastically deform, but this is not limited to this. For example, the case 100 may have an engagement claw that elastically deforms in the radial direction, and the base 300 may have a protrusion that does not elastically deform and engages with the engagement claw.

In the above embodiment, the engagement configuration of the base 300 and the cover 400 is exemplified as a configuration in which the base 300 has an engagement claw 345 that does not elastically deform, and the cover 400 has an engagement hole 426 that elastically deforms, but this is not limited thereto. For example, the base 300 may have an engagement hole that elastically deforms, and the cover 400 may have an engagement claw that does not elastically deform.

In the above embodiment, the base 300 and the cover 400 are fitted together by sliding relative to each other in the left-right direction (radial direction), but the base 300 and the cover 400 may be engaged by sliding relative to each other in the up-down direction (axial direction), for example.

In the above embodiment, a configuration in which the engagement portion 334 is formed only on the rear side of the leg portion 330 of the base 300 is exemplified, but, for example, instead of or in addition to this, a configuration in which an engagement portion that engages (fits) with the front engagement groove 427 (see Figure 8) is provided on the front side of the leg portion 330 may also be used.

1 Switch (electronic component assembly)
100 Case 113 Protrusion 200 Button (electronic component)
300 Base 310 Base portion 330 Leg portion 332 Engagement claw 334 Engagement portion 340 Socket portion 342 Half portion 344 Flange portion 345 Engagement claw 400 Cover 420 Side wall portion 427 Front engagement groove 428 Rear engagement groove

Claims (3)

A cylindrical case and
an electronic component disposed on one side of the case;
a base disposed on the other side of the electronic component within the case;
a cover disposed on the other side of the base within the case;
Equipped with
In an axial direction, the case and the base are engaged with each other, and the base and the cover are engaged with each other.
an engaging portion between said case and said cover, and an engaging portion between said base and said cover are concealed from the outside. 2. The electronic component assembly according to claim 1, wherein the base and the cover are fitted together by sliding relative to each other in a radial direction, and are engaged with each other in an axial direction when in a fitted state. 3. The electronic component assembly according to claim 2, wherein the base and the cover are abutted against and constrained by the case in a radial direction.

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