TWI596405B - Sensor - Google Patents

Description

sensor

The present invention relates to an inductor having a liquid crystal display element.

Patent Document 1 discloses a pressure sensor that displays a pressure of a fluid measured by a pressure detecting element in a digital manner. In such a pressure sensor, for example, a component such as a circuit board on which a pressure detecting element is mounted and a liquid crystal display element are stacked and housed in a casing composed of a front frame portion and a rear frame portion. [Patent Document] [Patent Document 1] In the case where an inductor having a liquid crystal display element is provided as in the related art, a diffusion element is disposed on the back side of the liquid crystal display element. The circuit board on which the pressure detecting element is mounted, the diffusing element, and the liquid crystal display element are stacked in order. Further, the liquid crystal display element is coupled to the circuit board on which the pressure detecting element is mounted via a flat-plate-shaped elastic connector penetrating the diffusing element, and the elastic connector is disposed along one side of the back side of the liquid crystal display element. The liquid crystal display element is sandwiched between the cover member or the like disposed on the surface side of the liquid crystal display element and the elastic connector, thereby being supported in the casing.

In the above configuration, the back side of the liquid crystal display element is in a state in which one side is supported by the elastic connector. Therefore, for example, if a large impact is applied to the inductor when it is dropped, the end of the liquid crystal display element that is not supported by the elastic connector may be loosened, and there may be a shock to the circuit board or the diffusion element. Danger.

The present invention has been made to solve the above problems, and an object thereof is to provide an inductor capable of stably supporting a liquid crystal display element.

[Method for Solving the Problem] In order to achieve the above-described object, the inductor includes: a circuit board on which a detecting element is mounted; a liquid crystal display element that displays a detection result of the detecting element; and a housing that houses the circuit board and the liquid crystal display And a frame having a window portion for visually confirming the liquid crystal display element, wherein a support member for supporting the liquid crystal display element is provided between the circuit board and the liquid crystal display element, and one side of a back surface of the liquid crystal display element Supported by an elastic connector that electrically connects the circuit board and the liquid crystal display element, and the other side of the back surface of the liquid crystal display element is supported by an elastic support portion of the support element, and the liquid crystal display element is elastically connected by the foregoing The elastic support portion and the elastic support portion are fixed to the inner surface of the frame body.

According to the above configuration, the back side of the liquid crystal display element is supported by the elastic support portion of the support member in addition to the portion on the one side supported by the elastic connector. Further, a liquid crystal display element is sandwiched between the elastic connector and the elastic support portion and the inner surface of the frame. Thereby, the looseness of the liquid crystal display element or the like is suppressed. Further, the elastic supporting portion that supports the back side of the liquid crystal display element together with the elastic connector is also imparted with elasticity. Therefore, even when the sensor is impacted when dropped, the stress transmitted to the liquid crystal display element can be absorbed by the elastic deformation of the elastic support portion and the elastic connector. According to the above configuration, a stable supporting state in which the looseness of the liquid crystal display element is suppressed can be obtained, and when stress is applied to the liquid crystal display element, stress can be absorbed, so that a stable supporting state can be maintained.

In the above configuration, the elastic connector abuts on the entire one side of the back surface of the liquid crystal display element, and the elastic support portion and the other side of the back surface of the liquid crystal display element that faces the other side The central part is close.

At this time, the back surface of the liquid crystal display element can be stably supported by the same balance as the three-point support. Also, even if only one elastic support portion is required for the support on the other side, the stability of the support is improved. In other words, when a plurality of elastic supporting portions are provided and supported by the plurality of elastic supporting portions, the support on the elastic supporting portion side tends to be unstable due to the influence of the elastic unevenness on the respective elastic supporting portions. Such a problem can be avoided by providing only one elastic support.

In the above configuration, the liquid crystal display element has a rectangular shape, and the elastic connector and the elastic support portion support the one side and the other side of the liquid crystal display element as the long sides.

According to the above configuration, the stress transmitted to the liquid crystal display element can be absorbed in a wide range as compared with the configuration of the support short side. Therefore, the liquid crystal display element can be supported more stably.

In the above configuration, the elastic supporting portion is a portion integrally formed with the support member, and a plate-like portion extending along the other side of the liquid crystal display element is connected at two points at both ends thereof, and a central portion thereof faces the liquid crystal The display element side is convex, thereby being formed in a bridge shape.

At this time, it is easy to give the elastic support portion appropriate elasticity while securing the strength of the elastic support portion. Further, the central portion protruding in the direction of the liquid crystal display element is elastically deformed in the thickness direction of the liquid crystal display element, whereby the stress transmitted to the liquid crystal display element can be appropriately absorbed.

In the above configuration, the support element is disposed between the circuit board and the liquid crystal display element, and is a diffusion element that diffuses light emitted from a display light-emitting element disposed on the circuit board toward the liquid crystal display element.

In this case, an increase in the number of parts can be suppressed. In the above configuration, the support member is provided with a support wall that abuts against the edge of the liquid crystal display element to position the liquid crystal display element.

In this case, in the combination engineering, it is easy to align the liquid crystal display element with respect to the supporting member. Further, the positional shift of the liquid crystal display element in the plane direction can also be suppressed.

In the above configuration, the front surface side of the liquid crystal display element is supported by a transparent cover attached to the inner side of the window portion of the housing.

In this case, a transparent cover can be used to protect the surface of the liquid crystal display element. Further, when a transparent cover is present, the impact or the like caused when the frame is mounted is difficult to be conducted to the liquid crystal display element.

[Effect of the Invention] According to the inductor of the present invention, the liquid crystal display element can be stably supported.

Hereinafter, an embodiment in which the present invention is embodied as a pressure sensor including a liquid crystal display element will be described. As shown in FIGS. 1 and 2, the pressure sensor 10 is provided with a base member 20 made of synthetic resin. The base member 20 is formed in a bottomed rectangular box shape and includes a quadrangular plate-shaped rear wall 21; the first inner side wall 22 is erected along opposite sides of one side of the rear wall 21; and the second inner side wall 23 The two sides of the other side of the rear wall 21 are erected upright.

A flange 24 that protrudes from the first inner side wall 22 and the second inner side wall 23 is provided at a peripheral portion of the rear wall 21. A recess 24a is provided at a central portion of each side of the flange 24. A cylindrical guide port 21a for taking in the fluid to be measured is provided at a central portion of the rear wall 21. A connection hole 21b is provided in the rear wall 21 by cutting one side of the rear wall 21.

As shown in FIGS. 2 and 5, an engagement groove 25 extending from the edge portion on the opening side is provided at the center portion of the outer surface of the first inner side wall 22. An engagement recess 25a is provided in the engagement groove 25, and the engagement recess 25a extends along the opening edge of the first inner side wall 22, and penetrates the first inner side wall 22. The engagement groove 25 is provided with an auxiliary engagement claw 25b that protrudes toward the outer side along the edge of the engagement recess 25a. The auxiliary engagement claw 25b is formed in a substantially triangular shape in a cross section whose width gradually becomes wider toward the engagement portion 25a side.

As shown in FIGS. 2 and 6, two engagement projections 22a are provided on the outer surface of the first inner side wall 22, and two engagement projections 22a are located in the engagement groove 25 in the direction along the opening edge. side. Further, on the flange 24 of the first inner side wall 22, a detaching recessed portion 26 is provided at a position overlapping each of the engaging projections 22a.

As shown in FIGS. 2 and 5 to 7, a circuit board 30 is disposed on the upper surface of the first inner side wall 22 and the second inner side wall 23 of the base member 20, and detection of pressure is formed on the circuit board 30. Loop, etc. The outer shape of the circuit board 30 is formed to substantially match the outer peripheral shape of the first inner side wall 22 and the second inner side wall 23 of the base element 20, and a recess 30a is provided in a part of the periphery of the circuit board 30, and the recess 30a is provided in the recess 30a. The engagement grooves 25 of the first inner side wall 22 correspond to each other.

A pressure detecting element 31 is attached to a central portion of the lower surface (surface on the side of the base member 20) of the circuit board 30. As shown in FIGS. 5 and 7, the pressure detecting element 31 includes a cylindrical introduction portion 31a that protrudes toward the base member 20, and an O-ring 32 is interposed between the introduction portion 31a and the base member 20. An external connection connector 33 is attached to the lower surface of the circuit board 30. The front end portion of the external connection connector 33 is fitted to the coupling hole 21b of the base member 20. In each of the cross-sectional views shown in FIGS. 5 to 7, the components for mounting the pressure detecting element 31, the external connection connector 33, and the like on the circuit board 30 are simplified.

As shown in FIG. 2 to FIG. 7, on the upper surface side (the side opposite to the base member 20) of the circuit board 30, a diffusion element 40 and a liquid crystal display element 50 are sequentially stacked, and the liquid crystal display element 50 is displayed by pressure detection. The detection result detected by the component 31. In the present embodiment, the diffusing element 40 corresponds to a supporting element.

The diffusing element 40 is a quadrangular plate-shaped member made of synthetic resin, and has substantially the same outer shape as the circuit board 30. A diffusion opening portion 41 having a rectangular shape is provided in a central portion of the diffusing element 40. As shown in FIG. 3, the light-emitting element 34 for display (for backlight) such as an LED mounted on the circuit board 30 is located at an opening portion of the diffusion opening portion 41. The diffusing element 40 diffuses light emitted from the light emitting element 34 toward the liquid crystal display element 50 in the diffusion opening portion 41.

As shown in FIGS. 3 to 7, a connector insertion hole 42 extending along the long side 41a is formed between the long side 41a on one side of the diffusion opening 41 and the peripheral edge portion of the diffusion element 40 in the diffusing element 40. The connector insertion hole 42 penetrates the diffusion element 40. An elastic connector 35 is inserted into the connector insertion hole 42, and the elastic connector 35 electrically connects the liquid crystal display element 50 to the circuit board 30. The elastic connector 35 is a member formed into a flat plate shape by alternately stacking a conductive rubber and an insulating rubber having elasticity. One end side of the elastic connector 35 is connected to an electrode provided on the circuit board 30, and the other end of the elastic connector 35 is connected. The side is connected to the electrode portion of the liquid crystal display element 50.

As shown in FIG. 3 and FIG. 7, the diffusing element 40 is located on the opposite side of the connector insertion hole 42 with the diffusion opening 41 interposed therebetween, and the other long side 41b of the diffusion opening 41 is provided. An elastic support portion 43 for supporting the liquid crystal display element 50 is integrally formed at a portion near the center. The elastic support portion 43 is formed in a bridge shape in which a rectangular plate-shaped portion is connected at two points at both ends thereof, and is a portion that can be bent in the vertical direction (thickness direction).

Specifically, a gap 44 extending along the long side 41b of the other side of the diffusion opening 41 is provided on the side of the diffusion opening 41 of the elastic support portion 43, and the opening for diffusion of the elastic support portion 43 is provided. On the opposite side of the portion 41, a step portion 45 is further provided in the upper and lower directions (thickness direction) than the elastic supporting portion 43. By the gap 44 and the step portion 45, the elastic supporting portion 43 is formed in a bridge shape in which the long rectangular plate-like portion is joined at two points at both ends thereof. The lower surface side (the side of the circuit board 30) of the elastic supporting portion 43 is formed with a recess to thereby increase its curvature. Further, a convex portion 43a that protrudes upward (the side opposite to the circuit board 30) is provided at a central portion of the elastic support portion 43.

As shown in FIG. 6, the portion of the diffusing element 40 that is lowered by the step portion 45 serves as the button mounting portion 46, and the button mounting portion 46 is provided with a button member 60 to be described later. A support wall 47 that is erected on the upper side (the side opposite to the circuit board 30) and a holding piece 48 that is erected on the lower side (the side of the circuit board 30) are provided on the periphery of the diffusing element 40.

As shown in FIG. 2 and FIG. 3, the holding piece 48 is a quadrangular plate-shaped portion provided at a central portion of both sides of the peripheral edge of the diffusing element 40 on the same side as the first inner side wall 22 of the base member 20, and is housed. It is provided in the engagement groove 25 provided in the 1st inner side wall 22 of the base element 20. The inner end portion of the holding piece 48 is provided with an engaging claw 48a that protrudes toward the inner surface side. The engaging claws 48 are formed in a substantially triangular cross section whose width gradually becomes wider toward the base end side of the holding piece 48. An auxiliary engagement recess 48b penetrating the holding piece 48 is provided on the proximal end side of the engaging claw 48a of the holding piece 48.

As shown in FIG. 5, the engaging claw 48a provided in the holding piece 48 is inserted into the engaging recessed portion 25a provided in the first inner side wall 22 of the base member 20. The auxiliary engagement claw 25b provided on the first inner side wall 22 is inserted into the auxiliary engagement recess 48b provided in the holding piece 48.

As shown in FIGS. 4 to 7, the liquid crystal display element 50 and the button element 60 are disposed on the upper surface side (the side opposite to the circuit board 30) of the diffusing element 40. The liquid crystal display element 50 is a member formed into a long rectangular shape as a whole, and is disposed to overlap the diffusion opening portion 41 of the diffusion element 40. As shown in FIG. 7 , an electrode portion is integrally formed on one of the long sides of the back surface of the liquid crystal display element 50 , and the electrode portion is coupled to an elastic connector 35 that protrudes from the connector insertion hole 42 of the diffusing element 40 . The other central portion on the long side of the back surface of the liquid crystal display element 50 is in contact with the protruding portion 43a of the elastic supporting portion 43 on the diffusing element 40. Therefore, one of the long sides of the back surface of the liquid crystal display element 50 is entirely supported by the elastic connector 35, and the other central portion of the long side is supported by the elastic supporting portion 43.

As shown in FIGS. 1 and 4, the pressure sensor 10 is provided with a cover member 70 made of a synthetic resin that covers the outside of the base member 20. The cover member 70 is formed in a bottomed rectangular box shape, and includes a square plate-shaped front wall 71, a first outer side wall 72 that is erected from opposite sides of one side of the front wall 71, and the other side from the front wall 71. The second outer side wall 73 is provided upright on both sides of the opposite side.

A window portion 71a for visually confirming the liquid crystal display element 50 is provided on the front wall 71. As shown in FIGS. 5 to 7, a transparent cover 71b covering the window portion 71a is attached to the inner side of the front wall 71. The transparent cover 71b abuts against the liquid crystal display element 50, and presses the liquid crystal display element 50 to display the liquid crystal. The element 50 is fixed between the transparent cover 71b and the elastic connector 35 and the elastic support portion 43. The front wall 71 is provided with a button opening portion 71c for exposing the button portion of the button member 60.

As shown in FIG. 4, the first outer side wall 72 and the second outer side wall 73 of the cover member 70 are each formed in a long square shape, and a protruding portion 74 that protrudes toward the opening edge side is provided at a central portion on the opening edge side. The first outer side wall 72 is provided with two outer side engaging recesses 72a that penetrate the first outer side wall 72, and the two outer side engaging recesses 72a are respectively located on both sides of the protruding portion 74 in the direction along the opening edge. Two groove-shaped first mounting portions 75a are provided on both sides of the outer wall surface of the second outer side wall 73 on the side of the front wall 71, and are provided at the central portion on the opening edge side of the outer surface of the first outer side wall 72. The second mounting portion 75b has a groove shape.

As shown in FIGS. 5 and 6, the first outer side wall 72 of the cover member 70 is located outside the first inner side wall 22 of the base member 20 and the holding piece 48 of the diffusing element 40, abutting or approaching the first inner side wall 22 And holding the sheet 48. As shown in FIGS. 1 and 4 to 6, the edge portions on the opening side of the first outer side wall 72 and the second outer side wall 73 of the cover member 70 are disposed to face the flange 24 of the base member 20, and The circumferential surface of the flange 24 of the first outer side wall 72 and the second outer side wall 73 is substantially flush. The protruding portion 74 provided on the first outer side wall 72 and the second outer side wall 73 is inserted into the recess 24a of the flange 24 provided in the first inner side wall 22 and the second inner side wall 23 of the base member 20. As shown in FIG. 7, the protruding portion 74 of the first outer side wall 72 is provided in a direction along the edge portion on the opening side so as to overlap the portion of the first outer side wall 72 located outside the holding piece 48. As shown in FIG. 6, the engagement protrusion 22a provided in the 1st inner side wall 22 of the base element 20 is inserted in the outer side engagement recessed part 72a provided in the 1st outer side wall 72. In the present embodiment, the base member 20 and the cover member 70 constitute a housing that houses the circuit board 30 and the liquid crystal display element 50.

Next, an example of the assembly work of the pressure sensor 10 of the present embodiment will be described. First, a circuit board 30 on which the components such as the pressure detecting element 31 and the external connection connector 33 are mounted is stacked on the first inner side wall 22 and the second inner side wall 23 of the base member 20. At this time, as shown in FIG. 5, an O-ring 32 is provided between the introduction portion 31a of the pressure detecting element 31 mounted on the circuit board 30 and the base member 20, and is mounted on the circuit board 30. The front end portion of the external connection connector 33 is fitted to the coupling hole 21b of the base member 20.

Thereafter, the holding piece 48 of the diffusing element 40 is placed in the engaging groove 25 provided on the first inner side wall 22 of the base member 20, and the diffusing element 40 is stacked on the upper surface of the circuit board 30. At this time, as shown in FIG. 5, the holding piece 48 is elastically deformed and opened outward, and the engaging claw 48a of the holding piece 48 is inserted into the engaging recessed portion 25 of the first inner side wall 22 to be engaged. At the same time, the auxiliary engagement claws 25b of the first inner side wall 22 are inserted into the auxiliary engagement recesses 48b of the holding piece 48 to be engaged. Therefore, the diffusion member 40 is fixed to the base member 20, and the circuit board 30 is fixed to the base member 20 in a state of being sandwiched between the base member 20 and the diffusion member 40.

Next, the elastic connector 35 is inserted into the connector insertion hole 42 of the diffusing member 40, and the elastic connector 35 and the diffusing member 40 are in a state where the end of the elastic connector 35 is protruded from the connector insertion hole 42. The liquid crystal display element 50 is laminated on the upper surface of the elastic support portion 43. At this time, the liquid crystal display element 50 is positioned on the diffusion element 40 by bringing the edge of the liquid crystal display element 50 against the inner surface of the support wall 47. A button member 60 is attached to the button mounting portion 46 of the diffusing element 40.

Next, the cover member 70 provided with the transparent cover 71b is placed on the base member 20. The base member 20 is provided with a circuit board 30, a diffusion member 40, and the like. At this time, as shown in FIG. 6, the engagement projection 22a provided in the first inner side wall 22 of the base member 20 is inserted into the outer engagement recess 72a provided in the first outer side wall 72, and is engaged. At the same time, as shown in FIG. 1, the protruding portions 74 provided on the first outer side wall 72 and the second outer side wall 73 are inserted into the recesses 24a provided in the first inner side wall 22 and the second inner side wall 23 of the base member 20. . Thereby, the cover member 70 is attached and fixed to the base member 20.

Further, as shown in FIG. 7, the liquid crystal display element 50 is fixed by being sandwiched between the transparent cover 71b mounted on the cover member 70 and the elastic connector 35 of the diffusing member 40 and the elastic supporting portion 43. And by being clamped between the diffusing element 40 and the cover member 70, the button member 60 is fixed. The assembly of the pressure sensor 10 is completed like this. By inserting the jig such as a screwdriver into the detaching recess 26 provided in the base member 20, the first outer side wall 72 and the second outer side wall 73 are bent, and the cover member 70 can be easily removed.

Further, the pressure sensor 10 of the present embodiment is mounted on a panel or the like as described below.

As shown in FIG. 8, the side of the window part 71a of the cover member 70 is set to the surface side, and the pressure sensor 10 is inserted in the mounting opening 80a of the mounting object 80. Then, the first mounting assisting device 81 is attached to the circumferential surface of the portion of the pressure sensor 10 that protrudes from the mounting object 80 toward the front surface side, and the second mounting assisting device 82 is attached to the pressure sensor 10 The circumferential surface that protrudes toward the back side.

The first attachment assisting device 81 is formed in a quadrangular frame shape having a larger outer shape than the pressure sensor 10, and the first attachment projection 81a is attached to both opposite sides of the inner surface side. When the first attachment projection 81a is engaged with the first attachment portion 75a of the second outer side wall 73 of the cover member 70 of the pressure sensor 10, the first attachment assisting device 81 is fixed to the pressure sensing. On the device 10.

The second attachment assisting device 82 is formed in a quadrangular frame shape having a larger outer shape than the pressure sensor 10, and the second attachment projection 82a is attached to both opposite sides of the inner surface side. When the second attachment protrusion 82a is engaged with the second attachment portion 75b of the first outer side wall 72 of the cover member 70 of the pressure sensor 10, the second attachment assisting device 82 is fixed to the pressure sensing. On the device 10.

By attaching the first mounting aid 81 and the second mounting assisting device 82, the pressure sensor 10 is restrained from being detached from the mounting object 80 toward the front side and the back side, and the pressure sensor 10 is fixed. On the installation object 80.

Next, the action of this embodiment will be described. In the pressure sensor 10 of the present embodiment, the elastic supporting portion 43 that supports the liquid crystal display element 50 is provided on the diffusing element 40 disposed between the circuit board 30 and the liquid crystal display element 50. Thereby, the back side of the liquid crystal display element 50 is supported at a plurality of sides, and is sandwiched between the inner surface of the cover member 70 (the inner surface of the transparent cover 71b), and the phenomenon that the looseness is suppressed is suppressed. Stable support state.

Further, the elastic supporting portion 43 that supports the back side of the liquid crystal display element 50 together with the elastic connector 35 is given elasticity. Therefore, even when an impact is applied to the pressure sensor 10 at the time of dropping, the stress transmitted to the liquid crystal display element 50 can be absorbed by the elastic deformation of the elastic supporting portion 43 and the elastic connector 35.

Further, the liquid crystal display element 50 is pressed to the inner surface (the inner surface of the transparent cover 71b) of the cover member 70 by the elastic force of the elastic support portion 43 and the elastic connector 35, and is sandwiched between the two members. Therefore, the dimensional error possessed by the liquid crystal display element 50 can be absorbed by the elastic supporting portion 43 and the elastic connector 35. Therefore, problems such as looseness due to the dimensional error of the liquid crystal display element 50 can be suppressed.

As described above, according to the configuration of the present embodiment, it is possible to obtain a support state in which the looseness of the liquid crystal display element 50 is suppressed. Therefore, even when stress is applied to the liquid crystal display element 50, the stress can be absorbed and the stable support state can be maintained.

Next, the effects of the present embodiment will be described. (1) The pressure sensor 10 includes a circuit board 30 on which the pressure detecting element 31 is mounted, a liquid crystal display element 50 that displays the detection result of the pressure detecting element 31, and a cover member 70 in which the circuit board 30 is housed. And the liquid crystal display element 50, and the cover member 70 has a window portion 71a which can visually confirm the liquid crystal display element 50. A diffusion element 40 as a supporting member for supporting the liquid crystal display element 50 is disposed between the circuit board 30 and the liquid crystal display element 50. One side of the back surface of the liquid crystal display element 50 is supported by an elastic connector 35 that electrically connects the circuit board 30 and the liquid crystal display element 50, and the other side of the back surface of the liquid crystal display element 50 is supported by the elastic supporting portion 43 of the diffusing element 40. . The liquid crystal display element 50 is fixed by being sandwiched by the elastic connector 35 and the elastic support portion 43 and the inner surface of the cover member 70 (the inner surface of the transparent cover 71b).

According to the above configuration, it is possible to obtain a support state in which the looseness of the liquid crystal display element 50 is suppressed. Therefore, even in the case where stress acts on the liquid crystal display element 50, the stress can be absorbed, thereby maintaining a stable support state.

(2) The elastic connector 35 abuts against the entire one side of the back surface of the liquid crystal display element 50, and the elastic supporting portion 43 abuts against the central portion of the other side of the back surface of the liquid crystal display element 50 on the protruding portion 43a.

According to the above configuration, the back surface of the liquid crystal display element 50 can be stably supported by the balance like the three-point support. Also, even if only one elastic support portion 43 is required for the support on the other side, the support stability is improved. In other words, the plurality of elastic supporting portions 43 are provided and supported by the plurality of supporting portions 43, and the support on the elastic supporting portion 43 side tends to become unstable due to the influence of the elastic unevenness of the elastic supporting portions 43. . This problem can be avoided by providing only one elastic support portion 43.

(3) The liquid crystal display element 50 has a long square shape, and the elastic connector 35 and the elastic support portion 43 support the long sides of the liquid crystal display element 50, that is, the one side and the other side. According to the above configuration, the stress transmitted to the liquid crystal display element 50 can be absorbed over a wide range as compared with the configuration of the support short side, and therefore, the liquid crystal display element 50 can be more stably supported.

(4) The elastic supporting portion 43 is a portion integrally formed with the diffusing element 40, and is formed in a bridge shape in which the plate-like portion extending along the other side of the liquid crystal display element 50 is connected at two points on both ends thereof. However, a protruding portion 43a that protrudes toward the liquid crystal display element 50 side is provided at the center portion of the elastic supporting portion 43.

According to the above configuration, the strength of the elastic support portion 43 can be ensured, and the elastic support portion 43 can be easily given appropriate elasticity. Further, the convex portion 43a is elastically deformed in the vertical direction (the thickness direction of the liquid crystal display element 50), so that the stress transmitted to the liquid crystal display portion 50 can be appropriately absorbed.

(5) The diffusing element 40 is used as a fixed part, and the elastic supporting portion 43 is provided in the diffusing element 40.

According to the above configuration, the increase in the number of parts can be suppressed.

(6) A support wall 47 is provided on the diffusing element 40, and the support wall 47 abuts against the edge of the liquid crystal display element 50 to position the liquid crystal display element 50.

According to the above configuration, the liquid crystal display element 50 is easily aligned with respect to the diffusing element 40 in the assembly process. Further, the positional shift of the liquid crystal display element 50 in the plane direction can also be suppressed.

(7) The surface side of the liquid crystal display element 50 is supported by a transparent cover 71b provided inside the window portion 71a of the cover member 70.

According to the above configuration, the surface of the liquid crystal display element 50 can be protected by the transparent cover 71b. Further, by providing the transparent cover 71b between the base member 20 and the liquid crystal display element 50, an impact or the like generated when the cover member 70 is mounted on the base member 20 is difficult to be transmitted to the liquid crystal display element 50.

Further, in the above embodiment, the embodiment may be modified as follows. The diffusion element 40 can be used as a fixed part, but the support element for supporting the back side of the liquid crystal display element 50 can be disposed between the circuit board 30 and the liquid crystal display element 50 independently of the diffusion element 40, An elastic support portion 43 is formed on this support member.

The shape of the elastic support portion 43 is not particularly limited as long as it has an elastic structure in the thickness direction of the liquid crystal display element 50. For example, in the above embodiment, the elastic supporting portion 43 is formed in a bridge shape in which the long square plate-shaped portion is connected at two points at both ends thereof, but the elastic portion of the long square plate portion may be connected at one point on one side thereof. sheet.

In the elastic support portion 43, a plurality of convex portions 43a or a plurality of elastic support portions 43 may be provided, and the plurality of portions on the back side of the liquid crystal display element 50 may be supported by the elastic support portion 43. Further, in the case where a plurality of elastic supporting portions 43 are provided, a configuration in which the same other side portion is further supported may be used, or a different side portion may be supported.

In addition, a portion other than the central portion on the other side of the back surface side of the liquid crystal display element 50, for example, the both side portions may be supported by the elastic support portion 43.・ If the sensor having the liquid crystal display element 50 is provided, the type is not particularly limited. For example, it can also be a photoelectric sensor or a fiber sensor.

10‧‧‧ Pressure sensor
20‧‧‧Base components (frame)
21‧‧‧ Back wall
21a‧‧‧Inlet
21b‧‧‧Link hole
22‧‧‧1st inner side wall
22a‧‧‧Snap protrusion
23‧‧‧2nd inner side wall
24‧‧‧Flange
24a‧‧‧ recess
25‧‧‧ snap groove
25a‧‧‧Clamping recess
25b‧‧‧Auxiliary Card Claw
26‧‧‧Removing recess
30‧‧‧ boards
30a‧‧‧ recess
31‧‧‧ Pressure sensing element
31a‧‧‧Importing Department
32‧‧‧O-ring
33‧‧‧Connector for external connection
34‧‧‧Lighting elements
35‧‧‧Flexible connector
40‧‧‧Diffuser
41‧‧‧Diffuse opening
41a‧‧‧Longside
41b‧‧‧Longside
42‧‧‧Connector insertion hole
43‧‧‧Elastic support
43a‧‧‧protrusion
44‧‧‧ gap
45‧‧‧ section of the section
46‧‧‧Button Installation Department
47‧‧‧Support wall
48‧‧‧ Keeping the film
48a‧‧‧Card claws
48b‧‧‧Auxiliary snap recess
50‧‧‧Liquid display components
60‧‧‧ button components
70‧‧‧ cover components
71‧‧‧ front wall
71a‧‧‧Window Department
71b‧‧‧clear cover
71c‧‧‧ button opening
72‧‧‧1st outer side wall
72a‧‧‧Pocket recess
73‧‧‧2nd outer side wall
74‧‧‧Protruding
75a‧‧‧1st installation department
75b‧‧‧2nd Installation Department
80‧‧‧Installation objects
80a‧‧‧Installation
81‧‧‧1st installed aid
81a‧‧‧1st Installation Department
82‧‧‧Second installation aids
82a‧‧‧2nd Installation Department

Figure 1 shows an oblique view of the pressure sensor. Figure 2 shows an exploded perspective view of a portion of the pressure sensor (base component, board, and diffuser). Figure 3 shows a perspective view of a portion of the pressure sensor (base member, board, and diffuser). Figure 4 shows an exploded perspective view of the pressure sensor. Figure 5 is a cross-sectional view taken along line 5-5 of Figure 1. Figure 6 is a cross-sectional view taken along line 6-6 of Figure 1. Figure 7 is a cross-sectional view taken along line 7-7 of Figure 1. Figure 8 shows an illustration of the installation of the pressure sensor.

20‧‧‧Base components

21a‧‧‧Inlet

21b‧‧‧Link hole

23‧‧‧2nd inner side wall

24‧‧‧Flange

24a‧‧‧ recess

30‧‧‧ boards

31‧‧‧ Pressure sensing element

31a‧‧‧Importing Department

32‧‧‧O-ring

33‧‧‧Connector for external connection

34‧‧‧Lighting elements

35‧‧‧Flexible connector

40‧‧‧Diffuser

41‧‧‧Diffuse opening

42‧‧‧Connector insertion hole

43‧‧‧Elastic support

43a‧‧‧protrusion

46‧‧‧Button Installation Department

47‧‧‧Support wall

50‧‧‧Liquid display components

60‧‧‧ button components

70‧‧‧ cover components

71‧‧‧ front wall

71a‧‧‧Window Department

71b‧‧‧clear cover

71c‧‧‧ button opening

73‧‧‧2nd outer side wall

74‧‧‧Protruding

Claims (5)

An inductor includes: a circuit board on which a detecting element is mounted; a liquid crystal display element that displays a detection result of the detecting element; and a frame that houses the circuit board and the liquid crystal display element, and the frame has visual confirmation In the window portion of the liquid crystal display device, the inductor is characterized in that a support member for supporting the liquid crystal display element is provided between the circuit board and the liquid crystal display element, and one side of the back surface of the liquid crystal display element is the circuit The board and the liquid crystal display element are electrically connected to each other by an elastic connector, and the other side of the back surface of the liquid crystal display element is supported by an elastic support portion provided on the support member, and the liquid crystal display element is elasticized by the elastic connector The support portion is fixed to the inner surface of the frame body, and the elastic support portion is a portion integrally formed with the support member, and a plate-shaped portion extending along the other side of the liquid crystal display element is at both ends thereof. Two points are connected, and a central portion thereof protrudes toward the liquid crystal display element side, thereby Become a bridge. The sensor according to claim 1, wherein the elastic connector abuts the entire one side of the back surface of the liquid crystal display element, and the elastic support portion and the back surface of the liquid crystal display element The central portion on the other side of the opposite side abuts. The sensor according to claim 1, wherein the liquid crystal display element has a long square shape, and the elastic connector and the elastic support portion have a long side of the liquid crystal display element. Supported on one side and the other side. The sensor according to any one of claims 1 to 3, wherein the support element is disposed between the circuit board and the liquid crystal display element, and is to be used for display on the circuit board. The light emitted from the light-emitting element is diffused toward the diffusion element of the liquid crystal display element. The sensor according to any one of claims 1 to 3, wherein the support member is provided with a support wall that abuts an edge of the liquid crystal display element to position the liquid crystal display element .