JP6223065B2 - VEHICLE DISPLAY DEVICE AND METHOD FOR MOUNTING OPERATING BUTTON OF VEHICLE DISPLAY DEVICE - Google Patents

Description

  The present invention relates to a display device attached to a vehicle such as an electric bicycle and a method for attaching operation buttons of the display device.

  Conventionally, this type of vehicle display device has been attached to the handle of an electric bicycle, and the liquid crystal screen of the display device has a variety of travel-related items such as travel speed, travel distance, remaining battery level, and assist mode. Information is displayed. The display device is provided with an operation button for turning on / off the power of the display device. The travel information is displayed on the liquid crystal screen of the display device by pressing the operation button to turn it on, and the display on the liquid crystal screen of the display device is turned off by pressing the operation button again to switch it to off.

  FIG. 22 shows a mounting structure of the operation button 101, and the operation button 101 has a button main body 102 and a shaft portion 103 connected to the button main body 102. The case 104 has a boss 105 having a hole. The operation button 101 is fitted in the hole of the boss 105. A waterproof rubber ring 106 is provided between the outer peripheral surface of the shaft portion 103 and the inner peripheral surface of the boss 105.

  A touch switch 107 is provided in the case 104, and the touch switch 107 is turned on and off each time the operation button 101 is pressed and the tip of the shaft portion 103 presses the touch switch 107.

  Note that the mounting structure of the operation button 101 as described above is described in, for example, Patent Document 1 below.

Patent No. 4883543

  However, in the above-described conventional format, the attachment of the operation button 101 requires three types of individual parts such as the button main body 102, the shaft portion 103, and the rubber ring 106. is there.

  It is an object of the present invention to provide a display device for a vehicle and a method for attaching the operation button of the display device for a vehicle that can reduce the labor required for the operation of attaching the operation button and can accurately attach the operation button.

In order to achieve the above object, the first invention is a display device attached to a vehicle,
A changeover switch is provided in the case,
The case is provided with an operation button for switching by operating the changeover switch from the outside.
An elastically deformable waterproof member that seals between the changeover switch and the operation button is provided in the case, and is disposed between the changeover switch and the operation button.
In the case, a button mounting hole and a waterproof member mounting hole are formed,
The button mounting hole communicates with the inside of the case through the waterproof member mounting hole.
The operation button is fitted in the button mounting hole so that it can be moved freely.
The waterproof member is detachably fitted in the waterproof member mounting hole, closes the waterproof member mounting hole, urges the operation button to protrude outward, and transmits the operation button operation to the changeover switch. And
At the time of assembly, the waterproof member is formed with a stopper for preventing the position of the waterproof member fitted in the waterproof member mounting hole from shifting to the outside of the waterproof member mounting hole ,
The waterproof member is made of an elastic member, and has a trunk portion that is fitted into the waterproof member mounting hole.
The slip prevention part is provided on the body part, protrudes outward in the radial direction from the outer peripheral surface of the body part, and is engaged with the waterproof member mounting hole in the removal direction of the waterproof member .

  According to this, the operation button can be attached to the display device by fitting the waterproof member into the waterproof member attachment hole from the outside of the case and then fitting the operation button into the button attachment hole from the outside of the case. Since two types of individual parts such as a waterproof member and an operation button need only be attached in this way, it is possible to reduce the labor required for the operation button installation work.

  By pushing the operation button, the waterproof member is pushed by the operation button and elastically deforms, and the changeover switch is switched via the waterproof member. Moreover, since the waterproof member mounting hole is closed by the waterproof member, the inside and the outside of the case are sealed by the waterproof member, and water such as rain can be prevented from entering the inside of the case from the outside. .

In the vehicle display device according to the second aspect of the invention, an annular groove is formed outside the waterproof member mounting hole in the radial direction so as to surround the opening end of the waterproof member mounting hole.
The groove is open to the button mounting hole side,
The waterproof member has a flange that projects outward from the trunk in the radial direction,
A protrusion is formed on the buttocks,
With barrel is fitted into the waterproof member mounting holes, projections are shall be bonded to the case with adhesive is fitted in the groove.
In the vehicle display device according to the third aspect of the present invention, the waterproof member mounting hole is formed in the small diameter portion, the large diameter portion formed deeper than the small diameter portion, and the boundary portion between the small diameter portion and the large diameter portion. A stepped portion,
The slip prevention part is locked to the stepped part of the waterproof member mounting hole in the removal direction of the waterproof member,
The outer diameter of the slip prevention portion is larger than the hole diameter of the small diameter portion of the waterproof member mounting hole and smaller than the hole diameter of the large diameter portion.
In the display device for a vehicle according to the fourth aspect of the present invention, the slip prevention portion is engaged with the inner end opening of the waterproof member mounting hole in the removal direction of the waterproof member.

The fifth aspect of the present invention is a method of attaching an operation button of the vehicle display device according to the second aspect of the present invention,
Apply adhesive in the groove,
Fit the body of the waterproof member into the waterproof member mounting hole of the case from the outside, and fit the protrusion of the waterproof member into the groove from the outside,
The operation button is fitted into the button mounting hole of the case from the outside.

  According to this, when the body portion of the waterproof member is fitted into the waterproof member mounting hole and the protrusion is fitted into the groove, the slip preventing portion is locked to the waterproof member mounting hole in the removal direction of the waterproof member. Thus, it is possible to prevent the position of the waterproof member from shifting to the outside of the waterproof member mounting hole.

  As a result, the waterproof member can be attached to the correct position with the adhesive, and as a result, the operation button can be attached accurately.

  As described above, according to the present invention, it is possible to reduce the labor required for the operation button mounting operation, and it is possible to attach the operation button accurately by attaching the waterproof member to an accurate position with an adhesive. Become.

1 is a side view of a bicycle in a first embodiment of the present invention. It is a top view of the display apparatus attached to the bicycle similarly. FIG. 6 is a perspective view of the display device, showing a state in which the display member is mounted on the support member. It is a perspective view of a display apparatus and shows the state which removed the display member from the support member. FIG. 2 is a longitudinal sectional view of the display device. It is the same perspective view which looked at the display member of the display apparatus from the bottom face side. FIG. 6 is an enlarged cross-sectional view of the engagement hole and the engagement claw of the display device, showing a state where the engagement claw is removed below the engagement hole. FIG. 6 is a longitudinal sectional view when the display member of the display device is mounted on the support member, showing a state in which the engagement claw and the engagement hole are engaged. FIG. 6 is an enlarged cross-sectional view of the engagement hole and the engagement claw of the display device, showing a state where the engagement claw is inserted into the engagement hole. FIG. 6 is a longitudinal sectional view when the display member of the display device is slid in the detaching direction with respect to the support member. FIG. 3 is an XX arrow view in FIG. 2. It is a partially expanded longitudinal cross-sectional view of FIG. It is a XX arrow line view in FIG. It is a perspective view of the operation button of a display apparatus same as the above. It is a longitudinal cross-sectional view which shows the assembly procedure of the display member of a display apparatus similarly, (a) shows the state before fitting a waterproof member in the hole for waterproof member attachment, (b) is a waterproof member for waterproof member attachment. The state fitted in the hole is shown. It is a perspective view of the waterproof member of a display apparatus same as the above. FIG. 3 is an exploded perspective view showing a mounting structure of operation buttons of the display device. It is a perspective view of the display apparatus attached to the bicycle in the 2nd Embodiment of this invention. FIG. 2 is a longitudinal sectional view of the display device. FIG. 20 is a partially enlarged longitudinal sectional view of FIG. 19. It is a longitudinal cross-sectional view which shows the assembly procedure of a display apparatus similarly, (a) shows the state before fitting a waterproof member in the waterproof member attachment hole, (b) fits the waterproof member in the waterproof member attachment hole. This shows the state It is sectional drawing which shows the attachment structure of the conventional operation button.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
(First embodiment)
In the first embodiment, as shown in FIG. 1, reference numeral 1 denotes an electric bicycle which is an example of a vehicle. The electric bicycle 1 includes a frame 2, a handle 3, a front wheel 4, a rear wheel 5, a chain (not shown) that transmits the pedaling force of the pedal 6 to the rear wheel 5, and an auxiliary driving force applied to the chain. An electric auxiliary driving device 8 and a battery 9 for supplying electric power to the auxiliary driving device 8 are provided. The auxiliary drive device 8 is composed of a motor 8a, a speed reducer, and the like.

  As shown in FIGS. 1 and 2, the electric bicycle 1 is provided with a display device 15 that displays various travel information such as travel speed, travel distance, time, battery 9 remaining amount, assist mode, and the like. As shown in FIGS. 3 and 4, the display device 15 includes a support member 16 attached to the handle 3 (an example of a fixing member) and a display member 17 that is detachably joined to the support member 16. .

  As shown in FIGS. 5 and 6, the display member 17 is electrically connected to the first case 20, the liquid crystal screen unit 21, the first circuit board 22, and the first circuit board 22. And a plurality of first connection terminals 23. The first case 20 is vertically divided into an upper case body 24 and a lower case body 25. The upper case body 24 and the lower case body 25 are connected by a plurality of screws. The upper case body 24 has a transparent plate 26 made of glass or resin at the top. The first circuit board 22 is held in the first case 20. The liquid crystal screen unit 21 is provided on the first circuit board 22 and is accommodated in the first case 20.

  As shown in FIGS. 4 and 5, the support member 16 includes an annular mounting portion 35, a second case 36, a second circuit board 37 accommodated in the second case 36, and a second And a plurality of second connection terminals 38 electrically connected to the circuit board 37.

  The first case 20 has a first joint surface 31 to be joined to the second case 36 at the lower part. The second case 36 has a second joint surface 40 that joins the first joint surface 31 of the first case 20 at the top.

The display member 17 can be attached to and detached from the support member 16 by sliding in the attachment / detachment directions A and B (corresponding to the front-rear direction) along the first and second joining surfaces 31 and 40.
As shown in FIG. 6, the tip (lower end) of the first connection terminal 23 is exposed at the first joint surface 31, and as shown in FIG. 4, the tip (upper end) of the second connection terminal 38. ) Is exposed on the second bonding surface 40. When the display member 17 is attached to the support member 16, as shown in FIG. 5, the front end portion of the first connection terminal 23 contacts the front end portion of the second connection terminal 38, and the first circuit board 22 and the first Two circuit boards 37 are electrically connected via the first and second connection terminals 23 and 38.

  As shown in FIGS. 6 and 7, an engagement hole 60 (an example of a first engagement portion) is provided on the lower surface of the first case 20 of the display member 17. The engagement hole 60 has an insertion hole 60 a formed inside the first case 20, and an opening 60 b that communicates with the insertion hole 60 a and opens on the lower surface of the first case 20. ing. As shown in FIGS. 4 and 7, an engagement claw 61 (an example of a second engagement portion) is provided on the upper surface of the second case 36 of the support member 16.

  As shown by phantom lines in FIGS. 8 and 9, the engagement hole 60 is engaged with the engagement claw 61 in the mounting direction A (front to back direction) in which the display member 17 is mounted on the support member 16. As shown in the solid line of FIG. 9 and FIG. 10, the display member 17 is disengaged from the engaging claw 61 in the disengagement direction B (rearward to front) from which the display member 17 is disengaged from the support member 16. 8 and 9, when the engagement hole 60 is engaged with the engagement claw 61, the engagement claw 61 is inserted into the insertion hole 60a from the opening 60b. Further, when the engagement hole 60 is detached from the engagement claw 61 as shown in the solid line of FIG. 9 and FIG. 10, the engagement claw 61 is removed from the insertion hole portion 60a and opened as shown in FIG. The part 60b is extracted below the first case 20.

  As shown in FIGS. 4 and 6, the engagement hole 60 and the engagement claw 61 are provided in a pair of left and right in the width direction (left and right direction), and three sets ( A plurality of sets).

  As shown in FIGS. 2 to 4, the display member 17 is provided with a power operation button 67 (an example of an operation button) for switching power on and off. As shown in FIGS. 11 to 13, a first case 20 (an example of a case) is provided with a tact switch 68 (an example of a changeover switch) that is a power switch. The tact switch 68 is attached to the first circuit board 22. The operation button 67 is for switching the tact switch 68 by operating it from the outside. Further, an elastically deformable waterproof member 69 that seals between the operation button 67 and the tact switch 68 is provided in the first case 20 and is disposed between the operation button 67 and the tact switch 68. .

  The first case 20 is formed with a button attachment hole 71 and a waterproof member attachment hole 72. The button mounting hole 71 opens to the outside of the first case 20. Further, the button mounting hole 71 and the inside of the first case 20 communicate with each other through the waterproof member mounting hole 72. The operation button 67 is fitted in the button mounting hole 71 so as to be freely retractable.

  As shown in FIG. 14, the operation button 67 has a locking piece 73 on both sides and a protrusion 74 on the back side. As shown in FIG. 13, when both the locking pieces 73 are locked from the inside of the button mounting hole 71 to the inside of the first case 20, the operation button 67 is dropped out of the button mounting hole 71. Is preventing.

  As shown in FIG. 15A, the waterproof member mounting hole 72 has a small diameter portion 76 and a large diameter portion 77. The large diameter portion 77 is formed deeper than the small diameter portion 76 and opens inside the first case 20. Further, a stepped portion 78 that gradually decreases in diameter from the large diameter portion 77 toward the small diameter portion 76 is formed at a boundary portion between the small diameter portion 76 and the large diameter portion 77. Further, an annular groove 79 is formed on the outer side in the radial direction of the waterproof member mounting hole 72. The groove 79 is formed so as to surround the opening end of the waterproof member mounting hole 72 and is open to the button mounting hole 71 side.

  As shown in FIG. 12, the waterproof member 69 is detachably fitted into the waterproof member mounting hole 72 to close the waterproof member mounting hole 72 and urge the operation button 67 to protrude outward. In addition, the operation of the operation button 67 is transmitted to the tact switch 68. As shown in FIGS. 12 and 16, the waterproof member 69 is made of an elastic material such as rubber, and has a circular trunk portion 81 and a flange portion 82 that projects outward from the trunk portion 81 in the radial direction. doing. A protrusion 83 is formed on the collar portion 82 over the entire circumference. The body 81 is fitted into the waterproof member mounting hole 72, and the projection 83 is fitted into the groove 79 and adhered to the inner surface of the groove 79 with an adhesive.

  In addition, a plurality of detent portions 84 for preventing the position of the waterproof member 69 fitted in the waterproof member mounting hole 72 from shifting to the outside of the waterproof member mounting hole 72 at the time of assembling is formed in the trunk portion 81. Has been. These slip prevention portions 84 protrude outward in the radial direction from the outer peripheral surface of the trunk portion 81, and are provided at four locations every 90 ° in the circumferential direction of the trunk portion 81. The outer diameter of the stopper 84 is larger than the hole diameter of the small diameter part 76 of the waterproof member mounting hole 72 and smaller than the hole diameter of the large diameter part 77. The slip stopper 84 can be locked to the stepped portion 78 (see FIG. 15A) of the waterproof member mounting hole 72 in the removal direction F of the waterproof member 69.

Hereinafter, the operation of the above configuration will be described.
When the display member 17 is attached to the support member 16 as shown in FIG. 3, the tip of each first connection terminal 23 comes into contact with the tip of each second connection terminal 38, as shown in FIG. The first circuit board 22 and the second circuit board 37 are electrically connected via the first and second connection terminals 23 and 38.

  Then, as shown in FIG. 12, when the operation button 67 is pushed inward G, the waterproof member 69 is pushed and elastically deformed by the protrusion 74 of the operation button 67, and the operation of the operation button 67 is performed via the waterproof member 69. Is transmitted to the tact switch 68, and the tact switch 68 is turned on. As a result, the electric power stored in the battery 9 is supplied from the second circuit board 37 to the first circuit board 22 via the first and second connection terminals 23 and 38, as shown in FIG. In addition, various travel information is displayed on the liquid crystal screen unit 21 of the display member 17.

Further, by pressing the operation button 67 inward G again, the tact switch 68 is switched off and the display on the liquid crystal screen unit 21 is turned off.
Further, when the display member 17 is removed from the support member 16, as shown in the solid line of FIG. 9 and FIG. 10, by sliding the display member 17 in the disengagement direction B, each engagement claw 61 is removed from the insertion hole 60 a. Then, the display member 17 is lifted from the support member 16 and the engaging claws 61 are separated below the opening 60b as shown in FIGS. As a result, the respective engagement holes 60 and the respective engagement claws 61 are detached, and the display member 17 is detached from the support member 16.

  When the display member 17 is mounted on the support member 16, the display member 17 is lowered toward the support member 16 as shown in FIGS. 4 and 7, and each of the support members 16 is shown in FIGS. The engaging claws 61 are inserted into the openings 60b of the respective engaging holes 60 of the display member 17 from below, and the display member 17 is slid in the mounting direction A as indicated by phantom lines in FIGS. Thereby, each engagement claw 61 is inserted into the insertion hole 60a from the opening 60b of each engagement hole 60, and each engagement hole 60 and each engagement claw 61 are engaged. As a result, the display member 17 is attached to the support member 16 as shown in FIG.

  Further, when the display member 17 is assembled, as shown in FIG. 15A, the first case 20 of the display member 17 is divided into the upper case body 24 and the lower case body 25, and the upper case body 24 is assembled. An adhesive is applied to the inside of the groove 79, and as shown in FIG. 15B, the body 81 of the waterproof member 69 is fitted into the waterproof member mounting hole 72 from the outside, and the protrusion 83 of the waterproof member 69 is formed. It fits into the groove 79 from the outside and adheres to the inner surface of the groove 79. At the time of this bonding operation, the slip prevention portion 84 of the waterproof member 69 is engaged with the stepped portion 78 of the waterproof member mounting hole 72 in the removal direction F of the waterproof member 69. This prevents the position of the waterproof member 69 from shifting to the outside of the waterproof member mounting hole 72 (that is, the side in the removal direction F), so that the waterproof member 69 can be attached to an accurate position with an adhesive. .

  After that, as shown in FIG. 12, the operation button 67 is fitted into the button mounting hole 71, the upper case body 24 is connected to the lower case body 25, and the display member 17 is assembled. As described above, since two types of individual parts such as the waterproof member 69 and the operation button 67 may be attached, the labor required for the operation of attaching the operation button 67 can be reduced.

  After assembling the display member 17, when the operation button 67 is pressed, the waterproof member 69 is pushed and elastically deformed by the protrusion 74 of the operation button 67, and the tact switch 68 is switched via the waterproof member 69. Further, since the waterproof member mounting hole 72 is closed by the waterproof member 69, the inside and the outside of the first case 20 are sealed by the waterproof member 69, and water such as rain from the outside of the first case 20. Intrusion into the interior can be prevented.

(Second Embodiment)
In the first embodiment, as shown in FIG. 4, the display device 15 capable of removing the display member 17 from the support member 16 is described. However, in the second embodiment described below, As shown in FIGS. 18 to 21, this is a display device 93 in which a display member 91 and a support member 92 are integrally formed instead of a detachable configuration. In this case, an operation button 67 is provided on the case 94 of the display member 91, and a waterproof member 69, a tact switch 68, a circuit board 95, and the like are provided inside the case 94. The case 94 is divided into an upper case body 24 and a lower case body 25.

  As shown in FIG. 21A, the waterproof member mounting hole 72 is a straight hole having the same diameter from the inner end opening 72a to the outer end opening 72b. As shown in FIG. 20, the slip prevention portion 84 of the waterproof member 69 can be locked to the inner end opening 72 a of the waterproof member mounting hole 72 in the removal direction F of the waterproof member 69.

According to this, the same operation and effect as the first embodiment can be obtained.
In each of the above embodiments, as shown in FIG. 16, the stoppers 84 of the waterproof member 69 are provided at four locations in the circumferential direction of the trunk portion 81, but may be provided at a plurality of locations other than the four locations. Good. Further, the slip stopper 84 may be provided over the entire circumference of the body 81.

  The present invention is most suitable for a display device attached to an electric bicycle, but may be attached to a bicycle other than the electric bicycle, or may be attached to a vehicle other than the bicycle, such as a motorcycle or a wheelchair.

1 Electric bicycle (vehicle)
15 display device 20 first case (case)
67 Operation buttons 68 Tact switch (switch)
69 Waterproofing member 71 Button mounting hole 72 Waterproofing member mounting hole 79 Groove 81 Body 82 Gutter 83 Protrusion 84 Slip-off part 93 Display device 94 Case F Removal direction

Claims (5)

A display device attached to a vehicle,
A changeover switch is provided in the case,
The case is provided with an operation button for switching by operating the changeover switch from the outside.
An elastically deformable waterproof member that seals between the changeover switch and the operation button is provided in the case, and is disposed between the changeover switch and the operation button.
In the case, a button mounting hole and a waterproof member mounting hole are formed,
The button mounting hole communicates with the inside of the case through the waterproof member mounting hole.
The operation button is fitted in the button mounting hole so that it can be moved freely.
The waterproof member is detachably fitted in the waterproof member mounting hole, closes the waterproof member mounting hole, urges the operation button to protrude outward, and transmits the operation button operation to the changeover switch. And
At the time of assembly, the waterproof member is formed with a stopper for preventing the position of the waterproof member fitted in the waterproof member mounting hole from shifting to the outside of the waterproof member mounting hole ,
The waterproof member is made of an elastic member, and has a trunk portion that is fitted into the waterproof member mounting hole.
The slip prevention part is provided in the trunk part, protrudes outward in the radial direction from the outer peripheral surface of the trunk part, and is locked to the waterproof member mounting hole in the removal direction of the waterproof member. . On the outside in the radial direction of the waterproof member mounting hole, an annular groove is formed so as to surround the opening end of the waterproof member mounting hole,
The groove is open to the button mounting hole side,
The waterproof member has a flange that projects outward from the trunk in the radial direction,
A protrusion is formed on the buttocks,
With barrel is fitted into the waterproof member mounting holes, projections vehicle display device according to claim 1, wherein Rukoto is adhered to the case with adhesive is fitted in the groove. The waterproof member mounting hole has a small-diameter portion, a large-diameter portion formed deeper than the small-diameter portion, and a stepped portion formed at a boundary portion between the small-diameter portion and the large-diameter portion,
The slip prevention part is locked to the stepped part of the waterproof member mounting hole in the removal direction of the waterproof member,
3. The vehicle display device according to claim 1, wherein an outer diameter of the slip preventing portion is larger than a hole diameter of a small diameter portion of the waterproof member mounting hole and smaller than a hole diameter of the large diameter portion. The vehicle display device according to claim 1, wherein the slip prevention portion is engaged with an inner end opening of the waterproof member mounting hole in a direction in which the waterproof member is removed. A method for attaching an operation button of the vehicle display device according to claim 2,
Apply adhesive in the groove,
Fit the body of the waterproof member into the waterproof member mounting hole of the case from the outside, and fit the protrusion of the waterproof member into the groove from the outside,
An operation button mounting method for a vehicle display device, wherein the operation button is fitted into a button mounting hole of the case from the outside.

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