JP3668216B2 - Push switch display device, water purification shower head with switching display and water purifier with switching display - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
TECHNICAL FIELD The present invention relates to a push switch display device that displays a setting state of a product in conjunction with a reciprocating motion of a push switch, a water purification shower head with a switching display, and a water purifier with a switching display.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, there is a small water purifier that is directly attached to a faucet, and is provided with a display device that enables an operator to understand whether the discharge state is clean water discharge or raw water discharge (see, for example, Patent Document 1). ). This display device is provided in a main body portion that performs discharge switching of the water purifier, and displays contents via a gear that is pivotally supported on a shaft that is rotated by an operation of a pivotally connected lever and a gear that meshes with the gear. The display is switched by rotating a cylindrical display roll on which is described.
[0003]
In addition, there is a type in which a push button switch that can switch a display according to a stop position of the push button is formed (for example, see Patent Document 2). This push button switch has a fan-shaped display rotating body incorporated in the push button switch, a transparent window is provided in the operation part of the push button switch, and a display suitable for the operation content is provided according to the operation of the push button switch. It comes out in the see-through window.
[0004]
Further, a knob is fixed to the switch lever of the push switch, and a fan-shaped display body is rotatably accommodated in the knob, and the display body rotates when the knob is pressed from a display window provided on the knob. There is one in which a display portion provided on a curved surface of a display body is exposed so that display contents can be shown (for example, see Patent Document 3).
[0005]
[Patent Document 1]
JP 2001-162272 A (Pages 4-5, 9 and 10)
[Patent Document 2]
Japanese Patent Laid-Open No. 2000-299030 (page 3-4, FIG. 2, FIG. 3)
[Patent Document 3]
Japanese Utility Model Publication No. 01-166390 (Claims, Fig. 1, Fig. 2, Fig. 3)
[0006]
[Problems of the prior art]
In such a conventional technique, in the example of Patent Document 1, since the gear device is interposed between the operation unit and the display unit provided at a distant position, the number of parts is large and the production cost is high. In addition, it is difficult to simplify the design, manufacture and handling, and furthermore, since it is a display device that is switched by rotating in one direction, it cannot be directly applied to a reciprocating member. It was.
[0007]
In the example of Patent Document 2, a display rotator is incorporated in the push button switch, and in the example of Patent Document 3, the display body is accommodated in a knob, and both the display rotator and the display body are formed on the curved surface portion. A shaft member is provided at the main part of the member having a fan-shaped side surface on which the contents of the switching display are displayed. The shaft member is formed so as to rotate around the shaft member, and is downsized and reciprocated. Although it has a form that can be applied to the members, the display rotating body and the display body are formed in a built-in type, so that they cannot be provided at a position away from the operation unit, and a long pin-like protrusion is provided on the cam mechanism unit. Due to the downsizing, manufacturing and handling are not easy, and problems such as easy breakage have occurred.
[0008]
[Problems to be solved by the invention]
The present invention has been made in view of the above-mentioned problems in the prior art, and the technical problem specifically set in order to solve these problems is a display provided at a position apart from the reciprocating operation unit. The push switch display device, which has a simple structure and is small enough to be applied to the discharge port of the water purifier, the head portion of the shower head, etc. The object is to provide a water purifier with a switching display.
[0009]
[Means for Solving the Problems]
The push switch display device according to claim 1 of the present invention, which is specifically configured to achieve the above object, includes two display body support members projecting from the case body and having shaft holes formed in the side surfaces of the member, and a fan type A movable display body that projects shaft members that are respectively inserted into the respective shaft holes from both side surfaces formed on the curved surface and displays necessary display contents on the curved surface portion, and an end surface that is located on the distal end side in the rotational direction of the movable display body An inclined surface forming member that abuts on the outer surface of the center of the rear end, one end abutting on the movable display, the other end abutting on the outer wall surface of the case body, and the shaft member And an elastic member for applying an urging force for rotating the movable display body toward the push button.
[0010]
Thus, the shaft member is centered by the elastic member having one end abutting the movable display body and the other end abutting the outer wall surface of the case body between the reciprocating operation unit and the display unit provided at a distant position. The movable display body can be rotatably provided, and the movable display body can be rotated in conjunction with the operation of the reciprocating push button, and a plurality of displays displayed on the curved surface portion of the movable display body The contents can be switched and displayed. In addition, a display device that has a simple configuration, requires only a small number of components such as a movable display body, an elastic member, a display body support member, and a display window, can be downsized, is inexpensive, and can be applied to many products.
[0011]
Further, in the push switch display device according to claim 2, a notch is formed in the center in the width direction of the movable display body, and the corner of the notch with the end surface located on the front end side in the rotational direction. And a protrusion for contact with the inclined surface forming member. Thereby, the part for achieving the cam follower function of the movable display body is clarified, the contact with the inclined surface forming member is facilitated, and the operation is further ensured.
[0012]
In the push switch display device according to claim 3, the inclined surface forming member protrudes obliquely upward from the center of the upper surface of the push button, and the movable display body contact surface of the inclined surface forming member The rear end portion is provided with a portion having an inclination angle larger than that of the front end portion. Thereby, the site | part for achieving the cam function of an inclined surface formation member contact | abuts reliably with a movable display body, and it enables it to rotate a movable display body.
[0013]
The push switch display device according to claim 4 is characterized in that the elastic member is a metal torsion spring. As a result, the display operation can be ensured, the reliability can be improved, and the elastic member can be made small, so that the entire display device can be easily downsized.
[0014]
Moreover, the purified water shower head with a switching display which concerns on Claim 5 provided the display apparatus of the push switch in any one of Claims 1 thru | or 4 in the head part in which the switching operation of purified water raw water discharge is performed, To do. Thereby, a display part can be provided in the position where the clean water shower head which has a push button type operation part left | separated from the push button.
[0015]
Moreover, the water purifier with a switching display according to claim 6 is characterized in that the push switch display device according to any one of claims 1 to 4 is provided in a main body portion where a switching operation of the purified water discharge is performed. . Thereby, a water purifier which has a push button type operation part can provide a display part in a position away from a push button.
[0016]
DETAILED DESCRIPTION OF THE INVENTION
In the following embodiments of the present invention, a case where a push switch display device is provided in the head portion of a water purification shower head with a switching display will be described.
This embodiment is specifically described for better understanding of the gist of the invention, and does not limit the content of the invention unless otherwise specified.
[0017]
〔Constitution〕
As shown in FIG. 1, the head portion of the clean water shower head with a switching display has a channel switching operation unit 2 disposed on the front side of the outer wall surface 1 a of the channel forming unit 1, and the center of the channel switching operation unit 2. The push button 3 is located on the upper portion, and display body support members 5 and 5 for arranging the movable display body (display drum) 4 are provided on the upper surface side of the push button 3 so as to project the movable display body 4 and the display body. A metal torsion spring 6 as an elastic member is interposed between the members 5 and 5, and in a free state, the spring is biased so that the movable display body 4 rotates toward the push button 3 side.
[0018]
A hole 7a through which the push button 3 passes is formed in the front surface of the cover 7 that covers the outer peripheral portions of the flow path forming unit 1 and the flow path switching operation unit 2, and slightly away from the drilled position of the hole 7a. A display window 8 is drilled at the position. A transparent window member 9 is fitted into the display window 8 so that the display content of the movable display body 4 can be seen from the display window 8 through the transparent window member 9. The transparent window member 9 forms a display surface having a curved surface matched to the outer surface shape of the cover 7 with a transparent material such as an acrylic plate, and hangs two legs 9a, 9a from the lower end surface, and the center of the rear end surface The lower half is formed with a fitting engagement portion 9b that protrudes from a rectangular protrusion and engages with an engagement groove 8a provided on the display window 8 side of the cover 7, so that it can be assembled to the display window 8 by fitting. To.
[0019]
As shown in FIGS. 2 and 3, the push button 3 is formed in a curved surface having a substantially rectangular front cross-sectional shape and an inclined end surface on the front side, and a pressure that presses the surface formed on the curved surface with a finger. It is assumed that the pressing surface 3a is located on the front side of the head portion. An inclined surface forming member 3b is projected rearward and upward at the center in the width direction on the upper surface side of the push button 3, and the movable display body abutting surface 3c of the inclined surface forming member 3b is connected to the rear end portion from the front end portion. In addition, a display body pressing portion 3d having a larger inclination angle and a height higher than the movable display body abutting surface 3c by a height H is provided, and is positioned on the front end side in the rotational direction of the central portion in the width direction of the movable display body 4. A force that is brought into contact with the end surface 4 c and rotated when the push button 3 is operated can be transmitted to the movable display body 4.
[0020]
As shown in FIGS. 4 and 5, the movable display body 4 is formed into a quarter cylindrical drum-shaped member formed by dividing a substantially cylindrical member into four equal parts on the circumference, and both sides formed in a sector shape. The shaft members 4a and 4a are projected from the main parts of the screen, and necessary display contents (for example, purified water, raw water, etc.) are displayed and used on the curved surface portion 4b. A notch 4d is formed in the center in the width direction of the flat portion (end surface 4c) of the movable display body 4, and the notch 4d is pushed to a corner with the end surface 4c located on the front end side in the rotational direction. A protrusion 4e for abutting the inclined surface forming member 3b of the button 3 is provided. Then, in addition to protruding the shaft member 4a, a concave portion 4f serving as a storage portion for the torsion spring 6 is formed on one of the side surfaces formed in a fan shape, and the edge is trimmed on the end surface side located on the front end side in the rotation direction. Is formed, and a locking edge 4g at one end of the torsion spring 6 is formed, and a pin 4h for preventing the spring end from coming off is planted at a distance from the locking edge 4g. Furthermore, the tip surfaces of the shaft members 4a, 4a are scraped off half of the side located on the main side of the fan shape to form an inclined surface 4i to improve workability during assembly.
[0021]
As shown in FIGS. 6 and 7, the display body support members 5 and 5 are plate-like brackets that protrude from the outer wall surface 1a of the flow path forming portion 1 of the case body and have the shaft holes 5a and 5a formed on the side surfaces of the members. Form. The two display body support members 5 and 5 are provided with inclined grooves 5b and 5b having the same width as the hole diameter reaching from the upper end to the center position of the shaft holes 5a and 5a on the opposing surfaces, respectively. The shaft members 4a and 4a are fitted into the shaft holes 5a and 5a by sliding the inclined surfaces 4i and 4i into the inclined grooves 5b and 5b of the display body support members 5 and 5, respectively, thereby improving workability. And make it easy to assemble. Further, the display body support members 5 and 5 extend portions 5c and 5c located on the tip side of the shaft holes 5a and 5a to the position where the push button 3 is disposed, so that the push button 3 does not protrude upward. Thus, it is formed so as to function as a regulating member for regulating the position.
Further, the outer wall surface 1a sandwiched between the display body support members 5 and 5 is inclined when the push button 3 is pressed in the pressing direction at the intermediate portion between the display body support member 5 and the display body support member 5. A relief groove 1b is formed to prevent the forming member 3b from hitting the outer wall surface 1a.
[0022]
The torsion spring 6 as an elastic member is made of spring steel or spring stainless steel and has an effective number of turns 3, and the length of the straight portion at the end is equal to or greater than the length of the winding portion. When the winding portion of the torsion spring 6 is externally fitted to the shaft member 4a of the movable display body 4, one of the straight portions (one end) is prevented from coming off the locking edge portion 4g of the movable display body 4 and the spring end portion. The movable display body contact surface of the inclined surface forming member 3b which is disposed between the pin 4h and the other (other end) is in contact with the outer wall surface 1a of the flow path forming portion 1 of the case body and protrudes from the push button 3. Assemble the torsion spring 6 in the direction in which the urging force acts so that the end face 4c on the push button side of the movable display body 4 abuts against the end face 4c of the movable display body 4c, and center the shaft members 4a and 4a. Thus, a rotational force for rotating the movable display body 4 is applied.
[0023]
[Operation]
In this push switch display device, when the push button 3 is operated in the pushing direction, as shown in FIG. 8, the display body pressing portion 3d of the inclined surface forming member 3b projecting from the push button 3 and the movable display body contact surface 3c is separated from the abutting protrusion 4e provided on the end face 4c located on the front end side of the movable display body 4 in the spring biasing direction, and the end face 4c of the movable display body 4 is pushed by the biasing force of the torsion spring 6. 3 is rotated in the direction close to 3, and the display is changed to the content when the push button is pressed (for example, purified water).
[0024]
On the other hand, by operating the push button 3 in the direction of pulling back, as shown in FIG. 9, the movable display body contact surface 3c of the inclined surface forming member 3b protruding from the upper surface of the push button 3 and the display body press The part 3d abuts against the abutting protrusion 4e provided on the end surface 4c of the movable display body 4 and presses the tip end side of the end surface 4c in the direction of pushing up, against the urging force of the torsion spring 6. By rotating the movable display body 4 in the reverse rotation direction, the display is changed to the content (for example, raw water) when the push button is released.
[0025]
[Function and effect]
In the embodiment configured as described above, the inclined surface forming member 3b provided on the push button 3 and the abutting protrusion 4e provided on the end surface 4c of the movable display body 4 form a cam mechanism, A new switching display mechanism in which the operation of the button 3 and the switching operation of the movable display body 4 are interlocked can be configured, and the flow path switching display corresponding to the operation content such as clean water discharge or raw water discharge by the operation of the push button 3. Can be sure.
[0026]
By providing the push button 3 provided with the inclined surface forming member 3b, the movable display body 4, the display body support members 5 and 5, the torsion spring 6 and the transparent window member 9 with respect to the conventional water purification shower head, it is separated from the operation unit. A push switch display device having a display portion at a certain position can be configured, and a low-cost display device with a small number of parts can be realized.
Further, it is only necessary to change a part of the appearance to a transparent window, and the display device for the push switch can be stored without deteriorating the appearance of the water purification shower head.
Since the display window is provided in front of the head part, when the user discharges the purified water, the flow path switching display can be easily confirmed without particularly looking into it.
[0027]
【The invention's effect】
As described above, the display device of the push switch according to the first aspect of the present invention has one end abutting on the movable display body between the reciprocating operation section and the display section provided at a distant position, and the outside of the case main body. The movable display body can be rotatably provided around the shaft member by the elastic member abutting the other end of the wall surface, and the movable display body can be rotated in conjunction with the operation of the reciprocating push button. Thus, a plurality of display contents displayed on the curved surface portion of the movable display body can be switched and displayed. In addition, it is possible to realize a display device that is simple in configuration, has few parts such as a movable display body, an elastic member, a display body support member, and a display window, can be downsized, and is inexpensive and applicable to many products. it can.
[0028]
Further, in the push switch display device according to the second aspect, the portion for achieving the cam follower function of the movable display body is clarified, the contact with the inclined surface forming member is facilitated, and the operation is further ensured.
According to a third aspect of the present invention, there is provided a push switch display device in which a portion for achieving the cam function of the inclined surface forming member is brought into abutment with the movable display body and the movable display body can be rotated.
Further, the push switch display device according to claim 4 can ensure the display operation, improve the reliability, and reduce the size of the elastic member, thereby facilitating the miniaturization of the entire display device.
[0029]
Moreover, the purified water shower head with a switching display which concerns on Claim 5 can provide a display part in the position where the purified water shower head which has a push button type operation part left | separated from the push button.
Moreover, the water purifier with a switch display which concerns on Claim 6 can provide a display part in the position where the water purifier which has a push button type operation part left | separated from the push button.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing a display device of a push switch stored in a head portion of a water purification shower head in an embodiment of the present invention.
FIG. 2 is a perspective view showing a push button used in the display device of the push switch.
3A and 3B are explanatory views showing a push button used in the display device of the push switch, wherein FIG. 3A is a longitudinal sectional view, and FIG. 3B is an enlarged sectional view of an inclined surface forming member shown in FIG.
4A and 4B are explanatory views showing a movable display body used in the display device of the push switch, wherein FIG. 4A is a plan view and FIG. 4B is a left side view.
FIG. 5 is a longitudinal sectional view showing a movable display used in the push switch display device.
FIG. 6 is a partial sectional side view showing a display body support member of the display device of the push switch.
7A and 7B are enlarged explanatory views showing a display body support member of the display device of the push switch, wherein FIG. 7A is a side view and FIG. 7B is a cross-sectional view taken along the line AA shown in FIG.
8A and 8B are explanatory views showing a push button operation of the display device of the push switch, wherein FIG. 8A is a front view and FIG. 8B is a partial cross-sectional view showing a push operation (purified water discharge).
9A and 9B are explanatory views showing a push button operation of the push switch display device, wherein FIG. 9A is a front view, and FIG. 9B is a partial cross-sectional view during a pull back operation (raw water discharge).
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Flow path formation part 1a Outer wall surface 1b Relief groove 2 Flow path switching operation part 3 Push button 3a Press surface 3b Inclined surface formation member 3c Movable display body contact surface 3d Display body press part 4 Movable display body 4a Shaft member 4b Curved surface part 4c End face 4d Notch 4e Contact protrusion 4f Recess 4g Locking edge 4h Detachment prevention pin 4i Inclined surface 5 Display body support member 5a Shaft hole 5b Inclined groove 6 Torsion spring 7 Cover 7a Hole 8 Display window 8a Engaging groove 9 Transparent window member 9a Leg 9b Engaging engaging portion

Claims (6)

Necessary for the curved surface part and two display body support members protruding from the case main body and having shaft holes formed on the side surfaces of the member, and shaft members inserted into the respective shaft holes from both side surfaces formed in a fan shape. A movable display body that displays display content, a push button that projects an inclined surface forming member that abuts an end surface that is located on the front end side in the rotational direction of the movable display body, on the outer surface side in the center of the rear end, and the movable display body contact with one end person, the other end to the outer wall surface of the case body abuts, comprising a movable display member around the shaft member and an elastic member providing a biasing force to rotate to the push button side A display device for a push switch. The movable display body is provided with a notch at the center in the width direction, and a protrusion for contact with the inclined surface forming member at the corner of the notch with respect to the end surface located on the front end side in the rotational direction. The push switch display device according to claim 1, wherein a protrusion is provided. The inclined surface forming member protrudes obliquely upward from the center of the upper surface of the push button, and the movable display body contact surface of the inclined surface forming member has a rear end portion with a larger inclination angle than the front end portion. The push switch display device according to claim 1, wherein: 2. The push switch display device according to claim 1, wherein the elastic member is a metal torsion spring. A purified water shower head with a switching display, wherein the push switch display device according to any one of claims 1 to 4 is provided in a head portion where a switching operation of the purified water discharge is performed. A water purifier with a switching display, characterized in that the push switch display device according to any one of claims 1 to 4 is provided in a main body portion where a switching operation of the raw water discharge is performed.

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