JP6741530B2 - Electronics - Google Patents

Description

The present invention relates to an electronic device, and more particularly, to an electronic device having a built-in battery.

2. Description of the Related Art Electronic devices that incorporate a button battery together with electronic components such as a sensor are known. The button battery needs to be replaced according to needs such as life. Therefore, a structure in which a button battery is exchangeably fixed to a housing of an electronic device is known. For example, the battery case described in Patent Document 1 has a housing having a cylindrical storage hole, a disk-shaped button battery that can be stored in the storage hole, a lid that closes the opening of the storage hole, and a button battery in the storage hole. And a coil-shaped electrode that elastically presses toward the opening. In the battery case described in Patent Document 1, when the lid is opened, the button battery is pushed toward the opening by the elastic force of the coil-shaped electrode.

JP, 10-188930, A

However, the structure of Patent Document 1 has a disadvantage that the button battery unexpectedly pops out when the lid is opened due to the elastic force of the coiled electrode. Further, without the coiled electrode, it is possible to prevent the button battery from popping out, but there is a disadvantage that it is difficult to take out the button battery from the storage hole where fingers cannot enter. That is, if there is no member that presses the button battery, there is a disadvantage that it is difficult to take out the button battery.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an electronic device that can easily replace a button battery with a simple configuration while preventing popping out.

The present invention includes a first housing that includes a mounting portion to which a button battery is detachably attached, a housing that defines an internal space that houses the mounting portion, and a substrate, and the housing has a housing opening. A second housing detachably attached to at least a part of the body opening, the substrate is fixed to the first housing in the internal space, and the mounting portion is attached to the first housing and the board . It is fixed, and the mounting part partially surrounds one flat surface and side surface of the button battery, respectively, and the housing opening covers one flat surface of the button battery mounted in the mounting part on one side. exposed outside of the first housing when viewed from a first direction perpendicular to the flat surface, a side surface of the mounted button battery to the mounting portion, exposed to the outside of the first housing when viewed from a second direction perpendicular to the side surface The mounting space of the mounting portion in which the button battery can be mounted is located in the first direction between the doorway of the mounting portion through which the button battery is inserted when the button battery is attached to and detached from the mounting space, and the substrate. The electronic device has a pressing portion, and a part of the mounting portion is fixed to the pressing portion and the substrate between the pressing portion and the substrate in the first direction .

According to this configuration, the mounting portion fixed to the first housing partially surrounds one flat surface and one side surface of the button battery, so that the button battery can be removed even if the second housing is removed from the first housing. Don't jump out. Further, since the side surface of the button battery is partially exposed when the second housing is taken out from the first housing, it is easier to remove the button battery as compared with a configuration in which only one flat surface of the button battery is exposed. That is, it is possible to easily replace the button battery while preventing it from popping out.
Further, according to this configuration, since the mounting space is located between the doorway and the board, and a part of the mounting section is fixed between the pressing section and the board, the button mounted in the mounting space is fixed. When the battery is moved along the first direction from the substrate toward the entrance/exit, the force for separating the mounting portion and the substrate from each other is suppressed. Therefore, it is possible to prevent disconnection of the wiring between the mounting portion and the substrate.

Preferably, in the electronic device of the present invention, the mounting portion defines a mounting space in which the button battery can be mounted, an entrance through which the button battery is inserted when the button battery is attached to and detached from the installation space, and an auxiliary opening continuous from the entrance. The inlet/outlet is opened from the mounting space in the first direction, and at least one auxiliary port is opened from the mounting space in the second direction substantially orthogonal to the first direction, and the second housing is the first housing. The housing opening is located at a position where the mounting space is exposed to the outside of the housing through the at least one auxiliary opening and the entrance when removed from the body.

According to this configuration, since the button battery in the mounting space can be touched from the outside of the housing through the housing opening and the at least one auxiliary port, the button battery can be touched only from the first direction. , Easy to remove button battery. That is, the button battery can be easily replaced with a simple structure while preventing the button battery from popping out.

Suitably, in the electronic device of the present invention, the mounting space is located between the two auxiliary ports in the second direction.

According to this configuration, since the mounting space is arranged between the two auxiliary ports in the second direction, the button battery can be pinched from both sides in the second direction, and the button battery can be removed in a stable state. You can

Suitably, in the electronic device of the present invention, the mounting portion includes a base portion fixed to the first housing, a fixed portion fixed to the base portion, and a swingable portion swingable with respect to the fixed portion. An elastically deformable restricting portion having an elastically deformable restricting portion, and the swinging portion is swingable in a direction toward and away from the mounting space, and in a state in which the button battery is mounted in the mounting space, the swinging part and the base portion. A part of the button battery is disposed between the first and second positions, and at least a part of the restricting portion is located outside the mounting space in a third direction that is substantially orthogonal to the first direction and the second direction when viewed from the first direction. Then, the pressing part is located outside the mounting space in the third direction when viewed from the first direction, and the pressing part and the restricting part are located on the same side on both sides of the mounting space in the third direction.

According to this configuration, when the button battery is mounted in the mounting space, part of the button battery is arranged between the swinging portion and the base portion, so that the button battery is stably fixed. Further, since the restricting portion having the swinging portion is elastically deformable, when the button battery is removed, the swinging portion swings with respect to the first housing, and the button battery can be easily removed. Furthermore, since the pressing portion and the regulating portion are located on the same side of the mounting space in the third direction, the force that separates the mounting portion and the substrate due to the force applied to the regulating portion when removing the button battery is suppressed.

Preferably, in the electronic device of the present invention, the first housing has a first engaging portion, and the second housing has a second engaging portion that engages with the first engaging portion. The first engaging portion and the second engaging portion engage with each other outside the housing opening in the third direction when viewed from the first direction, and the pressing portion is the third direction when viewed from the first direction. Is located outside the mounting space, the pressing portion and the first engaging portion are located on the same side of both sides of the mounting space in the third direction, and the first housing is in a plane orthogonal to the first direction. Includes a gripping surface that extends from the pressing portion in a direction away from the housing opening.

According to this configuration, the first engaging portion and the second engaging portion engage with each other outside the opening in the third direction when viewed from the first direction, so that the button battery can be attached/detached and the auxiliary port can be removed. It is possible to effectively use the space not related to the access to the button battery. Further, by pressing the gripping surface, it is possible to suppress the force that separates the mounting portion and the substrate during the engaging operation of the first engaging portion and the second engaging portion.

Suitably, in the electronic device of the present invention, two pressing parts are provided, and the first engaging part is arranged between the two pressing parts.

According to this configuration, since the first engaging portion is arranged between the two pressing portions, the force for separating the mounting portion and the board from each other is larger than that when the pressing portion is arranged at another position. Can be suppressed more reliably.

Suitably, in the electronic device of the present invention, the mounting portion includes a base portion fixed to the first housing, a fixed portion fixed to the base portion, and a swingable portion swingable with respect to the fixed portion. An elastically deformable restricting portion having an elastically deformable restricting portion, and the swinging portion is swingable in a direction approaching the mounting space and a direction separating from the mounting space. A part of the button battery is arranged between and.

According to this configuration, when the button battery is mounted in the mounting space, part of the button battery is arranged between the swinging portion and the base portion, so that the button battery is stably fixed. Further, since the restricting portion having the swinging portion is elastically deformable, when the button battery is removed, the swinging portion swings with respect to the first housing, and the button battery can be easily removed.

Preferably, in the electronic device of the present invention, the first housing has a first engaging portion, and the second housing has a second engaging portion that engages with the first engaging portion. The first engaging portion and the second engaging portion engage with each other outside the housing opening in the third direction that is substantially orthogonal to the first direction and the second direction when viewed from the first direction.

According to this configuration, the first engaging portion and the second engaging portion are engaged with each other outside the opening in the third direction that is substantially orthogonal to the first direction and the second direction when viewed from the first direction. Therefore, it is possible to effectively use the space that is not related to the attachment/detachment of the button battery and the access to the button battery from the auxiliary opening.

According to the present invention, it is possible to easily replace the button battery with a simple structure while preventing popping out.

It is the perspective view seen from the z1 side of the electronic equipment concerning the embodiment of the present invention. It is the perspective view seen from the z2 side of the electronic device shown in FIG. FIG. 2 is an exploded perspective view of the electronic device shown in FIG. 1 viewed from the z1 side. FIG. 2 is an exploded perspective view of the electronic device shown in FIG. 1 viewed from the z2 side. FIG. 5 is a sectional view of the electronic device taken along a line 5-5 in FIG. 1. FIG. 6 is a sectional view of the electronic device taken along a line 6-6 in FIG. 1. It is a side view of the electronic device shown in FIG. 1 in which the second housing is omitted. It is a top view of the electronic device shown in FIG. 1 which abbreviate|omitted the 2nd housing|casing. It is the perspective view seen from the z1 side of the mounting part shown in FIG. FIG. 10 is a cross-sectional view of the electronic device taken along the same cross section as FIG. 9, showing a state in which the second housing is partially removed. FIG. 10 is a cross-sectional view of the electronic device in the same cross section as FIG. 9, showing a state in which the second casing is omitted and the button battery is partially removed. FIG. 10 is a cross-sectional view of the electronic device in the same cross section as FIG. 9, showing a state in which the second casing is omitted and the button battery is partially inserted.

(overall structure)
Hereinafter, electronic devices according to embodiments of the present invention will be described. FIG. 1 is a perspective view of the electronic device 100 of the present embodiment viewed from the z1 side. FIG. 2 is a perspective view of the electronic device 100 viewed from the z2 side. FIG. 3 is an exploded perspective view of the electronic device 100 viewed from the z1 side. FIG. 4 is an exploded perspective view of the electronic device 100 viewed from the z2 side. FIG. 5 is a cross-sectional view of the electronic device 100 taken along the line 5-5 in FIG. FIG. 6 is a cross-sectional view of the electronic device 100 taken along a line 6-6 in FIG. It should be noted that electronic components mounted on a substrate 130 described later are omitted in FIGS. 5 and 6.

In the present specification, the x direction, the y direction, and the z direction which are orthogonal to each other are defined. The x direction is expressed without distinguishing the x1 direction and the x2 direction, which are opposite to each other. The y direction is expressed without distinguishing the y1 direction and the y2 direction, which are opposite to each other. The z direction is expressed without distinguishing the z1 direction and the z2 direction, which are opposite to each other. Further, the z2 direction may be referred to as the downward direction, and the z1 direction may be referred to as the upward direction. These directions are defined for convenience in order to explain the relative positional relationship, and do not limit the directions in actual use. Regardless of whether or not there is a description of “substantially”, the shape of the component is a strict geometric shape based on the described expression as long as the technical idea of the embodiment disclosed in the present specification is realized. Not limited.

As shown in FIG. 3, the electronic device 100 includes a housing 110, a substrate 130, a mounting portion 150, and a button battery 140. The housing 110 includes a first housing 115 and a second housing 120. The electronic device 100 of the present embodiment uses a button battery 140 in the housing 110 as a power source and operates a sensor (not shown) mounted on the substrate 130 to communicate information including measurement information with an external device.

(First case)
As shown in FIG. 3, the first housing 115 includes a first partial housing 160 and a second partial housing 170.

The first partial casing 160 includes a plate-shaped casing bottom plate 161 having a substantially rectangular outer shape having two sides substantially parallel to the x direction and two sides substantially parallel to the y direction when viewed from the z direction. The housing bottom plate 161 is provided with a plurality of lower ribs 162 projecting in the z1 direction on the surface on the z1 side. The first partial housing 160 further includes a lower wall 163 extending from the outer circumference of the housing bottom plate 161 in the z1 direction. The lower wall 163 has an annular upper edge 164 on the z1 side that is substantially parallel to the xy plane.

The first partial housing 160 further includes a first engagement annular portion 165-1 protruding in the z1 direction from a position closer to the y1 side in the x1 side portion of the upper edge 164, and a portion of the upper edge 164 on the x2 side. A second engaging annular portion 165-2 protruding in the z1 direction from a position closer to the y1 side and a third engaging annular portion 165-3 protruding in the z1 direction from the y2 side portion of the upper end edge 164. .. The first engaging annular portion 165-1 is provided with a first through hole 166-1 penetrating in the x direction. The second engagement annular portion 165-2 is provided with a second through hole 166-2 penetrating in the x direction. The third engagement annular portion 165-3 is provided with a third through hole 166-3 penetrating in the y direction.

The second partial casing 170 has a plate-like first upper plate portion 171 having a substantially rectangular outer shape having two sides substantially parallel to the x direction and two sides substantially parallel to the y direction when viewed from the z direction. Hold. The first upper plate portion 171 has a gripping surface 172 on the z1 side that is substantially parallel to the xy plane. The first upper plate portion 171 further has a first engaging portion 173 that is recessed from the end edge on the y2 side toward the y1 side. The first engagement portion 173 penetrates the first upper plate portion 171 in the z direction at the approximate center in the x direction.

As shown in FIG. 4, in the first upper plate portion 171, the area on the x1 side of the first engaging portion 173 is referred to as a first pressing portion 171-1, and the area on the x2 side of the first engaging portion 173 is referred to. It is called the second pressing portion 171-2. The first engagement portion 173 is arranged between the first pressing portion 171-1 and the second pressing portion 171-2 in the x direction. The first pressing portion 171-1 has a first protruding portion 174-1 protruding in the z2 direction from the surface on the z2 side. The second pressing portion 171-2 has a second protruding portion 174-2 protruding in the z2 direction from the surface on the z2 side. Each of the first raised portion 174-1 and the second raised portion 174-2 extends in the y1 direction from the y2-side end edge of the first upper plate portion 171. The first upper plate portion 171 further has a continuous upper rib 176 extending in the z2 direction from the surface on the z2 side.

The second partial housing 170 further includes a first upper wall 175 extending in the z2 direction from the x1 side edge, the x2 side edge, and the y1 side edge of the outer circumference of the first upper plate portion 171. .. The first upper wall 175 has a U-shaped first lower edge 177 that is substantially parallel to the xy plane on the z2 side. As shown in FIG. 1, a first engagement protrusion 178-1 protruding in the x1 direction is provided at the x1 side portion of the first upper wall 175. As shown in FIG. 3, a second engagement protrusion 178-2 protruding in the x2 direction is provided on the x2 side portion of the first upper wall 175.

As shown in FIG. 5, the second partial casing 170 is fixed to the z1 side of the first partial casing 160. As shown in FIG. 1, the second partial housing 170 is fixed in the x direction between the first engagement annular portion 165-1 and the second engagement annular portion 165-2. The width of the first partial housing 160 in the x direction is substantially the same as the width of the second partial housing 170 in the x direction. The first engagement protrusion 178-1 is fitted into the first through hole 166-1 of the first engagement annular portion 165-1. As shown in FIG. 2, the second engagement protrusion 178-2 is fitted into the second through hole 166-2 of the second engagement annular portion 165-2. As shown in FIG. 5, the first lower end edge 177 is closely fixed to the upper end edge 164. The length of the second partial housing 170 in the y direction is shorter than half the length of the first partial housing 160 in the y direction.

(Second housing)
As shown in FIG. 4, the second housing 120 is a plate-shaped first housing having a substantially rectangular outer shape having two sides substantially parallel to the x direction and two sides substantially parallel to the y direction when viewed from the z direction. 2 has an upper plate portion 121. The z2 side surface of the second upper plate portion 121 has an annular pressing portion 122 that annularly protrudes in the z2 direction. The edge of the annular pressing portion 122 on the z2 side is a substantially circle that is substantially parallel to the xy plane. The second housing 120 further has a second engaging portion 123 protruding from the y1 side edge of the second upper plate portion 121 to the y1 side. The 2nd engaging part 123 is located in the approximate center of the x direction. In the cross section shown in FIG. 5, the second engagement portion 123 has a shape that extends from the second upper plate portion 121 in the y1 direction, further extends in the z2 direction, and further extends in the y1 direction.

The second housing 120 further includes a second upper wall 125 extending in the z2 direction from the x1 side edge, the x2 side edge, and the y2 side edge of the outer circumference of the second upper plate portion 121. The second upper wall 125 has a U-shaped second lower edge 126 that is substantially parallel to the xy plane on the z2 side. A third engagement protrusion 127 protruding in the y2 direction is provided on the y2 side portion of the second upper wall 125.

(Mating of first casing and second casing)
As shown in FIG. 1, in a state where the second housing 120 is fitted in the first housing 115, the second housing 120 is located on the z1 side of the first partial housing 160 and at the second partial housing 170. It is fixed on the y2 side. In the y direction, the second casing 120 is fixed between the third engagement annular portion 165-3 and the second partial casing 170. The length of the second housing 120 in the y direction is shorter than the length of the first partial housing 160 in the y direction and longer than half the length of the first partial housing 160 in the y direction. The overall length of the second housing 120 and the second partial housing 170 in the y direction is substantially the same as the length of the first partial housing 160 in the y direction.

As shown in FIG. 6, when the second housing 120 is fitted in the first housing 115, the second lower edge 126 is closely fixed to the upper edge 164. The width of the second housing 120 in the x direction is substantially the same as the width of the first partial housing 160 in the x direction. As shown in FIG. 5, the third engagement protrusion 127 is fitted into the third through hole 166-3 of the third engagement annular portion 165-3. The y1 side end of the second engagement portion 123 is located on the z2 side of the first upper plate portion 171, and is in close contact with the first upper plate portion 171. As shown in FIG. 1, when viewed from the z1 direction, the overall outer shape of the y2 side edge of the second partial housing 170 and the first engaging portion 173 is the same as the y1 side edge of the second housing 120. The outer shape of the entire second engaging portion 123 is substantially the same. The first engaging portion 173 and the second engaging portion 123 engage with each other outside the housing opening 112 in the y direction.

As shown in FIG. 1, when the second housing 120 is fitted in the first housing 115, the first housing 115 and the second housing 120 are firmly fixed. The grip surface 172 of the second partial housing 170 is substantially in the same plane as the surface of the second housing 120 on the z1 side. The housing 110 has a substantially rectangular parallelepiped outer shape as a whole. As shown in FIG. 5, the housing 110 defines a generally rectangular parallelepiped internal space 111 that accommodates the mounting portion 150 to which the button battery 140 can be attached and detached.

FIG. 7 is a side view of the electronic device 100 in which the second housing 120 (FIG. 1) is omitted. FIG. 8 is a plan view of the electronic device 100 in which the second housing 120 (FIG. 1) is omitted. As shown in FIGS. 7 and 8, the first housing 115 is a housing defined by a part of the upper edge 164 of the first partial housing 160 and the y2 side edge of the second partial housing 170. It has a body opening 112. The second housing 120 shown in FIG. 1 is detachable so as to cover the entire housing opening 112. In another example, the second housing 120 may have another shape as long as it can be attached to and detached from at least a part of the housing opening 112.

(substrate)
As shown in FIG. 3, the board 130 is a plate-like circuit board substantially parallel to the xy plane. The surface of the substrate 130 on the z1 side is substantially parallel to the xy plane. As shown in FIG. 4, various electronic components such as a temperature sensor and a communication device are mounted on the surface of the substrate 130 on the z2 side. As shown in FIG. 5, the substrate 130 is fixed in the internal space 111 by a plurality of lower ribs 162 of the first partial housing 160 and upper ribs 176 of the second partial housing 170. The substrate 130 is located closer to the z2 side than the upper edge 164 of the first partial housing 160. As shown in FIG. 6, the substrate 130 is arranged closer to x1 in the x direction.

(Coin battery)
The button battery 140 shown in FIG. 3 has a substantially circular first flat surface 141 (FIG. 3) substantially parallel to the xy plane and located on the z1 side, and a substantially circular second flat surface 141 substantially parallel to the xy plane and located on the z2 side. It includes a flat surface 142 (FIG. 4) and a substantially cylindrical side surface 143 (FIGS. 3 and 4) connected in the z direction from the outer edge of the first flat surface 141 to the outer edge of the second flat surface 142. The button battery 140 has a flat shape in which the thickness in the z direction is smaller than the width in the x direction and the width in the y direction.

The first flat surface 141 and the side surface 143 shown in FIG. 3 are made of metal and are electrically connected. The second flat surface 142 shown in FIG. 4 is made of metal and is electrically insulated from the first flat surface 141 and the side surface 143. The first flat surface 141 and the side surface 143 function as one of a positive electrode and a negative electrode, and the second flat surface 142 functions as the other electrode.

(Mounting part)
FIG. 9 is a perspective view of the mounting portion 150. The mounting portion 150 includes a base portion 151 made of an insulating resin, a metal base electrode 152, and a metal restriction portion 153.

The base 151 includes a flat plate-shaped bottom portion 151-1 extending substantially parallel to the xy plane. The bottom portion 151-1 includes a recess 151-2 in which the vicinity of the center of the surface on the z1 side is recessed in the z2 direction.

The base 151 further includes a first wall 151-3, a second wall 151-4, and a third wall 151-5. The first wall portion 151-3 and the second wall portion 151-4 extend in the z1 direction from the y1 side end portion of the bottom portion 151-1 and are separated from each other in the x direction. The first wall 151-3 is arranged on the x1 side of the second wall 151-4. The third wall portion 151-5 extends in the z1 direction from the y2 side end portion of the bottom portion 151-1. The width in the x direction of the third wall portion 151-5 is substantially the same as the width in the x direction of the entire first wall portion 151-3 and the second wall portion 151-4.

As shown in FIG. 9, the first wall 151-3, the second wall 151-4, and the third wall 151-5 face each other to define a mounting space 154. The mounting space 154 is a part of a substantially cylindrical space extending in the z direction. As shown in FIG. 9, the z1 side edge of each of the first wall portion 151-3, the second wall portion 151-4, and the third wall portion 151-5 causes the entrance/exit 155 to the z1 side edge of the mounting space 154. Is defined. The doorway 155 opens from the mounting space 154 in the z1 direction.

As shown in FIG. 9, the first auxiliary port 156-1 is defined between the x1 side edge of the first wall 151-3 and the x1 side edge of the third wall 151-5. The first auxiliary port 156-1 continues in the z direction from the x1 side edge of the doorway 155 to the x1 side edge of the bottom portion 151-1. The first auxiliary port 156-1 opens from the mounting space 154 in the x1 direction. The second auxiliary port 156-2 is defined between the x2 side edge of the second wall 151-4 and the x2 side edge of the third wall 151-5. The second auxiliary port 156-2 continues in the z direction from the x2 side edge of the doorway 155 to the x2 side edge of the bottom portion 151-1. The second auxiliary port 156-2 opens from the mounting space 154 in the x2 direction.

As shown in FIG. 9, the battery locking portion 151-6 extends in the y1 direction from the vicinity of the z1-side end edge of the third wall portion 151-5. As shown in FIG. 8, the battery locking portion 151-6 is located in the middle of the first auxiliary port 156-1 and the second auxiliary port 156-2 in the x direction.

As shown in FIG. 9, the base electrode 152 is a metallic annular member arranged in the recess 151-2. The base electrode 152 includes a fixed end 152-1 fixed in the recess 151-2 and a movable contact 152-2 separated from the recess 151-2 in the z1 direction. The movable contact 152-2 is located on the y1 side of the fixed end 152-1. With the fixed end 152-1 fixed, the movable contact 152-2 can swing in the z direction. The movable contact 152-2 is located in the z1 direction with respect to the z1 side surface of the bottom portion 151-1 in a state where no force is applied.

The restriction portion 153 is arranged between the first wall portion 151-3 and the second wall portion 151-4 in the x direction. The restriction portion 153 is formed by bending an elastically deformable metal plate. The restricting portion 153 includes a standing portion 153-1, a fixed portion 153-2, and a swinging portion 153-3.

The upright portion 153-1 is thin in the y direction, extends between the first wall portion 151-3 and the second wall portion 151-4 in the x direction, and is located on the y1 side end of the bottom portion 151-1 in the z direction. It extends from the edge to the vicinity of the doorway 155. The fixed portion 153-2 is thin in the z direction, extends substantially parallel to the xy plane, and extends in the y1 direction from the z2-side end edge of the standing portion 153-1. A portion of the x1 side end of the standing portion 153-1 close to the fixed portion 153-2 and a portion of the x1 side end of the fixed portion 153-2 close to the fixed portion 153-2 are both It is being fixed to 1 wall part 151-3. The portion of the x2 side end of the standing portion 153-1 close to the fixed portion 153-2 and the portion of the x2 side end of the fixed portion 153-2 close to the fixed portion 153-2 are both It is fixed to the two wall portions 151-4.

The oscillating portion 153-3 is thin in the z direction, extends substantially parallel to the xy plane, and extends in the y2 direction from the z1-side end edge of the standing portion 153-1. The swinging portion 153-3 can swing in the y direction with respect to the fixed portion 153-2. That is, the swinging portion 153-3 is swingable in a direction toward the mounting space 154 and a direction away from the mounting space 154. The rocking|swiveling part 153-3 also elastically deforms a little also in z direction.

(Relationship between mounting part and other components)
As shown in FIG. 5, the surface of the bottom portion 151-1 on the z2 side is fixed to the surface of the substrate 130 on the z1 side. That is, the mounting portion 150 is fixed to the first housing 115. The doorway 155 plays a role of passing the button battery 140 when the button battery 140 is attached to or detached from the mounting space 154. As shown in FIG. 8, when viewed from the z direction, the outer shape of the mounting space 154 is substantially the same as the outer shape of the button battery 140, and further, the outer shape of the doorway 155. As shown in FIG. 5, the mounting space 154 is located between the doorway 155 and the substrate 130 in the z direction.

As shown in FIG. 8, at least a part of the restricting portion 153 is located outside the mounting space 154 in the y direction when viewed from the z direction. The first pressing portion 171-1 and the second pressing portion 171-2 are located outside the mounting space 154 in the y direction when viewed from the z direction. The first pressing portion 171-1, the second pressing portion 171-2, and the restriction portion 153 are located on the same side (that is, the y1 side) of both sides of the mounting space 154 in the y direction. The first pressing portion 171-1, the second pressing portion 171-2, and the first engaging portion 173 are located on the same side (that is, the y1 side) of the mounting space 154 in the y direction. The grip surface 172 expands from the first pressing portion 171-1 and the second pressing portion 171-2 in the direction away from the housing opening 112 (that is, the y1 direction) in the xy plane.

(Relationship between button battery and other components)
In the mounting space 154 shown in FIG. 9, the button battery 140 can be mounted as shown in FIG. First, a state in which the button battery 140 is mounted on the mounting portion 150 will be described.

As shown in FIG. 5, the annular pressing portion 122 of the second housing 120 is in contact with the first flat surface 141 of the button battery 140. The button battery 140 is fixed between the annular pressing portion 122 and the bottom portion 151-1 in the z direction. The y2 side end portion of the button battery 140 is fixed between the battery locking portion 151-6 and the bottom portion 151-1 in the z direction. Due to the elastic deformation of the base electrode 152, the entire base electrode 152 is housed in the recess 151-2 with the movable contact 152-2 being in electrical contact with the second flat surface 142 of the button battery 140. The base electrode 152 electrically connects one electrode of the button battery 140 to a circuit component of the substrate 130 by wiring (not shown).

As shown in FIG. 6, the first wall portion 151-3, which is a part of the base portion 151 of the mounting portion 150, has the first pressing portion 171 between the first pressing portion 171-1 and the substrate 130 in the z direction. −1 and fixed to the substrate 130. The second wall portion 151-4, which is a part of the base portion 151 of the mounting portion 150, is provided between the second pressing portion 171-2 and the substrate 130 in the z direction between the second pressing portion 171-2 and the substrate 130. It is fixed against.

As shown in FIG. 8, the first wall 151-3, the second wall 151-4, and the third wall 151-5 are close to or in contact with the side surface 143 of the button battery 140. The button battery 140 projects in the x1 direction from the first auxiliary port 156-1. The button battery 140 projects in the x2 direction from the second auxiliary port 156-2. The width of the first auxiliary port 156-1 in the y direction and the width of the second auxiliary port 156-2 in the y direction are both smaller than the diameter of the button battery 140. Therefore, the button battery 140 is installed in the mounting space 154 between the first auxiliary port 156-1 and the second auxiliary port 156-2, and the button battery 140 has the first auxiliary port 156-1 and the second auxiliary port 156-. You can't go out from either of the two.

As shown in FIG. 5, the mounting part 150 partially surrounds one of the first flat surface 141 and the side surface 143 of the button battery 140. The y1 side end portion of the button battery 140 is located between the swinging portion 153-3 and the base portion 151 in the z direction. The standing portion 153-1 of the restriction portion 153 electrically contacts the side surface 143 of the button battery 140 by the elastic force that pushes the swinging portion 153-3 toward the button battery 140. The restriction portion 153 electrically connects the other electrode of the button battery 140 to the circuit component of the substrate 130.

Next, as shown in FIG. 7, a state in which the second housing 120 is removed from the first housing 115 will be described. The housing opening 112 exposes the first flat surface 141 of the button battery 140 mounted on the mounting portion 150 to the outside of the first housing 115 in the z1 direction. The housing opening 112 exposes the side surface 143 of the button battery 140 mounted on the mounting portion 150 to the outside of the first housing 115 in the x direction. The housing opening 112 is located at a position where the mounting space 154 is exposed to the outside of the housing 110 through the first auxiliary opening 156-1, the second auxiliary opening 156-2, and the doorway 155.

(How to remove the second housing)
The operator presses the grip surface 172 shown in FIG. 10 and the surface of the housing bottom plate 161 on the z2 side to sandwich the first housing 115 with the fingers in the z direction. Next, the third engagement protrusion 127 of the first casing 115 is removed from the second casing 120 while keeping the engagement between the first engaging portion 173 and the second engaging portion 123 of the second casing 120. The third engaging annular portion 165-3 is removed from the third through hole 166-3. Next, using the contact point between the first engaging portion 173 and the second engaging portion 123 as a fulcrum, as shown in FIG. 10, the portion of the second housing 120 on the side of the third engaging protrusion 127 is turned upward. lift. Next, by separating the first engaging portion 173 and the second engaging portion 123, the second housing 120 is disengaged from the first housing 115.

(How to remove button battery)
The operator presses the grip surface 172 shown in FIG. 11 and the surface of the housing bottom plate 161 on the z2 side to sandwich the first housing 115 with the fingers in the z direction. A finger is inserted through the housing opening 112, the first auxiliary port 156-1 and the second auxiliary port 156-2 shown in FIG. 8, and the button battery 140 is z1 with the finger held in the x direction. Lift in the direction. Then, as shown in FIG. 11, the end of the button battery 140 on the y2 side is kept sandwiched between the battery locking portion 151-6 and the bottom portion 151-1 while the end of the button battery 140 on the y1 side remains. Lift in the z1 direction.

The restriction portion 153 is formed so as to be more easily deformed than the third wall portion 151-5 and the battery locking portion 151-6. Therefore, the portion of the button battery 140 close to the restriction portion 153 is lifted first in the z1 direction. Since the gripping surface 172 and the surface of the housing bottom plate 161 on the z2 side are pressed in the z direction by the fingers, the base 151 and the substrate 130 are disposed between the first pressing portion 171-1 and the first partial housing 160. Fixed in. Therefore, the mounting portion 150 and the substrate 130 are not easily peeled off by the force when the button battery 140 is removed. Next, the button battery 140 is detached from the electronic device 100 by separating the end of the button battery 140 on the y2 side from the base 151.

(How to install button battery)
As shown in FIG. 12, the worker holds the button battery 140 while sandwiching the button battery 140 in the x direction with the swinging portion 153-3 of the restriction portion 153 and the bottom portion 151-1 at the y1 side end portion of the button battery 140. Insert between. Next, the y2 side end of the button battery 140 is pushed in the z2 direction. Then, the restriction portion 153, the battery locking portion 151-6, and the third wall portion 151-5 are deformed, so that the button battery 140 is mounted in the mounting space 154 as shown in FIG. 7.

(How to attach the second housing)
For example, the operator presses the grip surface 172 shown in FIG. 10 and the surface of the housing bottom plate 161 on the z2 side to sandwich the first housing 115 with the fingers in the z direction. Next, the first engaging portion 173 and the second engaging portion 123 are engaged with each other. Next, the third engagement protrusion 127 of the second casing 120 is fitted into the third through hole 166-3 of the third engagement annular portion 165-3 of the first casing 115. Since the gripping surface 172 and the surface of the housing bottom plate 161 on the z2 side are pressed in the z direction by the fingers, the base 151 and the substrate 130 are disposed between the first pressing portion 171-1 and the first partial housing 160. Fixed in. Therefore, the mounting portion 150 and the substrate 130 are not easily peeled off.

(Summary)
According to the present embodiment, the mounting portion 150 fixed to the first housing 115 partially surrounds one flat surface and the side surface 143 of the button battery 140, so that the first housing 115 to the second housing 120 are connected. The button battery 140 does not pop out even if the battery is removed. In addition, since the side surface 143 of the button battery 140 is partially exposed when the second housing 120 is taken out from the first housing 115, the button battery 140 is different from the configuration in which only one flat surface of the button battery 140 is exposed. Easy to remove. That is, the button battery 140 can be easily replaced while preventing the button battery 140 from popping out.

According to this embodiment, the button battery 140 in the mounting space 154 can be touched from the outside of the housing 110 through the housing opening 112, the first auxiliary opening 156-1, and the second auxiliary opening 156-2 from the x direction. Therefore, the button battery 140 can be easily removed as compared with the configuration in which the button battery 140 is touched only from the z direction. That is, the button battery 140 can be easily replaced with a simple configuration while preventing the button battery 140 from popping out.

According to the present embodiment, since the mounting space 154 is arranged between the first auxiliary port 156-1 and the second auxiliary port 156-2 in the x direction, the button battery 140 is pinched from both sides in the x direction. The button battery 140 can be removed in a stable state.

According to this embodiment, the mounting space 154 is located between the doorway 155 and the substrate 130, a part of the mounting portion 150 is fixed between the first pressing portion 171-1 and the substrate 130, and Since it is fixed between the second pressing portion 171-2 and the substrate 130, when the button battery 140 mounted in the mounting space 154 is moved from the substrate 130 toward the doorway 155 along the z direction, the mounting portion The force that separates 150 and substrate 130 is suppressed. Therefore, it is possible to prevent disconnection of the wiring between the mounting portion 150 and the substrate 130.

According to the present embodiment, in the state where the button battery 140 is mounted in the mounting space 154, a part of the button battery 140 is arranged between the swinging portion 153-3 and the base 151, so that the button battery 140 is stable. And then fixed. Further, since the restricting portion 153 having the swinging portion 153-3 can be elastically deformed, when the button battery 140 is removed, the swinging portion 153-3 swings with respect to the first housing 115, so that the swinging portion 153-3 can be easily performed. The button battery 140 can be removed. Furthermore, since the first pressing portion 171-1, the second pressing portion 171-2, and the restricting portion 153 are located on the same side of the mounting space 154 in the y direction, the force applied to the restricting portion 153 when the button battery 140 is removed. The force that separates the mounting portion 150 and the substrate 130 is suppressed.

According to this embodiment, the first engaging portion 173 and the second engaging portion 123 are engaged with each other outside the opening in the y direction that is substantially orthogonal to the z direction and the x direction when viewed from the z direction. Therefore, it is possible to effectively use the space that is not related to the attachment/detachment of the button battery 140 and the access to the button battery 140 from the first auxiliary port 156-1 and the second auxiliary port 156-2. Furthermore, by pressing the grip surface 172, it is possible to suppress the force that separates the mounting portion 150 and the substrate 130 during the engaging operation of the first engaging portion 173 and the second engaging portion 123.

According to this embodiment, since the first engaging portion 173 is arranged between the first pressing portion 171-1 and the second pressing portion 171-2, the first pressing portion 171-1 and the second pressing portion 173 are arranged. Compared with the case where the part 171-2 is arranged at another position, the force for separating the mounting part 150 and the substrate 130 can be more reliably suppressed.

The present invention is not limited to the above embodiments. That is, those skilled in the art may make various changes, combinations, sub-combinations, and substitutions with respect to the constituent elements of the above-described embodiments within the technical scope of the present invention or the equivalent scope thereof.

INDUSTRIAL APPLICABILITY The present invention can be applied to an electronic device including a button battery, for example, an electronic device including a sensor and a button battery.

Reference numeral 100... Electronic device, 110... Housing, 111... Internal space, 112... Housing opening 115... First housing, 120... Second housing, 123... Second engaging portion, 130... Board 140... Button battery, 141... 1st flat surface, 142... 2nd flat surface, 143... Side surface 150... Mounting part, 151... Base part, 153... Control part, 154... Mounting space 155... Doorway, 156-1... 1st auxiliary port, 156- 2... 2nd auxiliary port 171-1... 1st pressing part, 171-2... 2nd pressing part, 172... Gripping surface 173... 1st engaging part

Claims (9)

A mounting part where the button battery can be attached and detached,
A housing that defines an internal space that houses the mounting portion,
Board,
Equipped with
The housing is
A first housing having a housing opening;
A second housing detachably attached to at least a part of the housing opening;
Including,
The substrate is fixed to the first housing in the internal space,
The mounting portion is fixed to the first housing and the substrate ,
The mounting portion partially surrounds one of the flat surface and the side surface of the button battery,
The housing opening is
The one flat surface of the button battery mounted on the mounting portion is exposed to the outside of the first housing when viewed from a first direction perpendicular to the one flat surface,
Exposing the side surface of the button battery mounted on the mounting portion to the outside of the first housing when viewed from a second direction perpendicular to the side surface ,
A mounting space of the mounting portion in which the button battery can be mounted is located between the doorway of the mounting portion and the substrate through which the button battery is inserted when the button battery is attached to and detached from the mounting space in the first direction. And
The first casing has a pressing portion,
Part of the mounting portion is fixed to the pressing portion and the substrate between the pressing portion and the substrate in the first direction,
Electronics. The mounting portion is
And before KiSo clothes space,
And before Kide entrance,
An auxiliary opening continuous from the entrance,
Demarcate
The doorway is opened from the mounting space in the first direction,
At least one of the auxiliary ports is opened from the mounting space in the second direction substantially orthogonal to the first direction,
The housing opening is located at a position where the mounting space is exposed to the outside of the housing through the at least one auxiliary opening and the inlet/outlet in a state where the second housing is removed from the first housing. ,
The electronic device according to claim 1. The mounting space is located between the two auxiliary ports in the second direction,
The electronic device according to 請 Motomeko 2. The mounting portion is
A base fixed to the first housing,
An elastically deformable restriction portion having a fixed portion fixed to the base portion and a swingable portion swingable with respect to the fixed portion,
Including,
The swingable portion is swingable in a direction approaching the mounting space and a direction away from the mounting space,
In a state where the button battery is mounted in the mounting space, a part of the button battery is arranged between the swinging portion and the base portion,
At least a portion of the restriction portion is located outside the mounting space in a third direction that is substantially orthogonal to the first direction and the second direction when viewed from the first direction,
The pressing portion is located outside the mounting space in the third direction when viewed from the first direction,
The pressing portion and the restriction portion are located on the same side of both sides of the mounting space in the third direction,
The electronic device according to any one of claims 1 to 3 . The first casing has a first engaging portion,
The second casing has a second engaging portion that engages with the first engaging portion,
When viewed from the first direction, the first engagement portion and the second engagement portion are outside the housing opening in a third direction that is substantially orthogonal to the first direction and the second direction. , Engage each other,
The pressing portion is located outside the mounting space in the third direction when viewed from the first direction,
The pressing portion and the first engaging portion are located on the same side of both sides of the mounting space in the third direction,
The first housing includes a grip surface that extends from the pressing portion in a direction orthogonal to the first direction in a direction away from the housing opening,
The electronic device according to any one of claims 1 to 4 . Comprises two said pressing parts,
The first engaging portion is arranged between two pressing portions,
The electronic device according to claim 5 . The mounting portion is
A base fixed to the first housing,
An elastically deformable restriction portion having a fixed portion fixed to the base portion and a swingable portion swingable with respect to the fixed portion,
Including,
The swingable portion is swingable in a direction approaching the mounting space and a direction away from the mounting space,
In a state where the button battery is mounted in the mounting space, a part of the button battery is arranged between the swinging portion and the base portion,
The electronic device according to any one of claims 1 to 3 . A mounting part where the button battery can be attached and detached,
A housing that defines an internal space that houses the mounting portion,
Equipped with
The housing is
A first housing having a housing opening;
A second housing detachably attached to at least a part of the housing opening;
Including,
The mounting portion is fixed to the first housing,
The mounting portion partially surrounds one of the flat surface and the side surface of the button battery,
The housing opening is
The one flat surface of the button battery mounted on the mounting portion is exposed to the outside of the first housing when viewed from a first direction perpendicular to the one flat surface,
Exposing the side surface of the button battery mounted on the mounting portion to the outside of the first housing when viewed from a second direction perpendicular to the side surface ,
The mounting portion is
A base fixed to the first housing,
An elastically deformable restriction portion having a fixed portion fixed to the base portion and a swingable portion swingable with respect to the fixed portion,
Including,
The swinging part is swingable in a direction approaching a mounting space of the mounting part in which the button battery can be mounted and a direction separating from the mounting space,
In a state where the button battery is mounted in the mounting space, a part of the button battery is arranged between the swinging portion and the base portion,
Electronics. The first casing has a first engaging portion,
The second casing has a second engaging portion that engages with the first engaging portion,
The first engagement portion and the second engagement portion are outside the housing opening in a third direction that is substantially orthogonal to the first direction and the second direction when viewed from the first direction, Engage each other,
The electronic device according to any one of claims 1 to 4 .

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