CN2842695Y

CN2842695Y - Switching device

Info

Publication number: CN2842695Y
Application number: CN 200520113161
Authority: CN
Inventors: 青木涉
Original assignee: Tokai Rika Co Ltd
Current assignee: Tokai Rika Co Ltd
Priority date: 2004-08-25
Filing date: 2005-08-25
Publication date: 2006-11-29
Anticipated expiration: 2015-08-25
Also published as: JP2006066125A; CN100447917C; CN1741216A

Abstract

A kind of switching device that can improve the operation feeling of button, it is gone up at push rod (22) and forms the opposed two wall portions (31) of restraining portion (26) that clip.In these wall portions 31, form slot part (32).Can engage the teat (33) of push rod (23) in two slot parts (32) slidably.When adopting this formation, not only push rod (23) first half is by push rod guiding piece (22) guiding, and based on two teats (33) outer peripheral face with two slot parts (32) thus inner face contact push rod (23) Lower Half and also be directed.Thereby the vertical whole zone of push rod (23) all is directed from the rotation direction of button (18), and therefore, push rod (23) improves the operation feeling of button (18) with respect to the rocking of push rod guiding piece (22) when suppressing button (18) and rotating.

Description

Switching device

Technical field

The utility model relates to a kind of switching device that rotates interlock with control member and make push rod slide and constitute along sliding surface.

Background technology

The existing formation of above-mentioned switching device is described based on Fig. 4.Form tube portion 101 on the control member 100, in tube portion 101, insert push rod 102 upper ends.This push rod 102 utilizes the elastic force of spring 103 to be crushed on the sliding surface 104 of upside-down triangle shape, and control member 100 engages with the recess of sliding surface 104 based on push rod 102 and remains on initial condition.This control member 100 can be that rotate at the center with axle 105, and during from initial condition rotating operation control member 100, push rod 102 is by sliding surface 104 pushings, and the elastic force that overcomes spring 103 returns in the portion 101.When control member 100 was removed operating physical forces, push rod 102 relied on the recuperability of springs 103 to descend along sliding surface 104 at this state, and control member 100 resets to initial condition.

Patent documentation: open flat 7-22435 communique in fact

In the situation of above-mentioned existing formation, make the Lower Half of push rod 102 outstanding, utilize the first half of tube portion 101 limitation ground guiding push rod 102 from tube portion 101.Thereby push rod 102 is big with respect to the shaking phenomenon of tube portion 101, and the operation feeling of functional unit 100 has the tendency of reduction owing to the influence of rocking relatively of push rod 102.

The utility model content

The utility model promptly produces in view of above-mentioned thing, and its purpose is to provide a kind of switching device that can improve the operation feeling of control member.

Switching device of the present utility model, it is characterized in that possessing: the control member that can be provided with rotationally, be arranged on tube portion on the aforesaid operations member, can be slidably inserted into push rod in the above-mentioned tube portion, with above-mentioned push rod by being pressed in spring member on the sliding surface, being arranged in the above-mentioned tube portion and clipping the opposed a pair of wall of above-mentioned sliding surface portion, be arranged on above-mentioned a pair of wall portion and a pair of guide portion of extending with respect to the glide direction of above-mentioned tube portion along above-mentioned push rod and a pair of directed section that is arranged on the above-mentioned push rod and can engages slidably with above-mentioned a pair of guide portion.

The effect of utility model

Be provided with in the tube portion of control member and clip the opposed wall of sliding surface portion, two directed sections of push rod can be engaged slidably with two guide portion of two wall portions.Thereby not only the base end part of an opposite side with sliding surface is guided by tube portion in the push rod, and in the push rod with sliding surface mutually the leading section of the same side also guided by tube portion.Thereby the whole zone of push rod all is directed from the rotation direction of control member, and therefore, push rod rocks with respect to tube portion when suppressing the control member rotation, improves the operation feeling of control member.

Description of drawings

Fig. 1 is the figure (a is the whole cutaway view that constitutes of expression, and b is the cutaway view along the X line) of an expression embodiment of the present utility model.

Fig. 2 is the cutaway view that the inside of expression switch enclosure constitutes.

Fig. 3 is the oblique view of the outward appearance of expression push rod and push rod guiding piece.

Fig. 4 is the oblique view of expression conventional example.

Among the figure, 18-button (control member); 22-push rod guiding piece (tube portion); The 23-push rod; 25-push rod spring (spring member); The 27-sliding surface; The 28-sliding surface; 30-chamfered section (circular arc face) 31-wall portion; 32-slot part (guide portion); 33-teat (directed section).

Embodiment

According to Fig. 1～Fig. 3 an embodiment of the present utility model is described.Also have, present embodiment is that the utility model is applicable to the vehicle power window switch apparatus.Switch main body 1 shown in Fig. 1 (a), forms the case shape of lower aperture, is fixed with printed circuit board 2 on the switch main body 1.These printed circuit board 2 its functions are as the lid that clogs below the switch main body 1, are fixed with switch enclosure 3 on the printed circuit board 2.This switch enclosure 3 forms the case shape of back opening as shown in Figure 2, is fixed with switch substrate 4 on the switch enclosure 3.These switch substrate 4 its functions are as the lid that clogs switch enclosure 3 back, are fixed with a horizontal row fixed contact 5～9 on the switch substrate 4.

Contain contact base 10 in the switch enclosure 3.This contact base 10 can slide along the orientation of fixed contact 5～9, forms the operating portion 11 of pin shape on the contact base 10.This operating portion 11 is given prominence in switch enclosure 3 by slotted hole 12.This slotted hole 12 is formed on the switch enclosure 3, and contact base 10 is based on sliding from switch enclosure 3 peripheral operation operating portions 11.

Movable contact 13 and 14 are installed on the contact base 10.One end of touch spring 15 is installed on these each movable contacts 13 and 14, and the other end of each touch spring 15 is installed on the contact base 10.These each touch springs 15 are made of the collapse coil spring, and movable contact 13 and 14 utilizes the elastic force of touch spring 15 to be pressed against on the switch substrate 4.

Fixed contact 5 and 9 is situated between and is connected with the negative terminal of Vehicular accumulator cell by printed circuit board 2, and fixed contact 7 is situated between and is connected with the positive terminal of Vehicular accumulator cell by printed circuit board 2.Remaining fixed contact 6 and 8 is situated between and is connected with the two-terminal of vehicle mounted electric vehicle window motor 16 by printed circuit board 2, fixed contact 5～9 is as following 1)～3) as described in, thereby Jie between neutral position, lifting position and down position, moved by optionally conducting of movable contact 13 and 14 based on contact base 10.

1) neutral position of contact base 10

So-called neutral position is meant that operating portion 11 is positioned at the state of vertical central portion of slotted hole 12.Contact with fixed contact 5 and 6 at the neutral position of this contact base 10 movable contact 13, movable contact 14 contacts with fixed contact 8 and 9.Thereby the power supply road of power windows motor 16 is by opening, and power windows motor 16 is disconnected.

2) lifting position of contact base 10

So-called lifting position is meant that operating portion 11 is positioned at the state of the arrow B direction end of slotted hole 12.Lifting position movable contact 13 at this contact base 10 contacts with fixed contact 5 and 6, and movable contact 14 contacts with fixed contact 7 and 8.Thereby, power windows motor 16 is supplied with positive direction electric power, power windows motor 16 is just changeing, thus power windows rises.

3) down position of contact base 10

So-called down position is meant that operating portion 11 is positioned at the state of the arrow B opposite direction end of slotted hole 12.Down position movable contact 13 at this contact base 10 contacts with fixed contact 6 and 7, and movable contact 14 contacts with fixed contact 8 and 9.Thereby, power windows motor 16 is supplied with electric power in the other direction, 16 counter-rotatings of power windows motor, thus power windows descends.

Shown in Fig. 1 (a), form button pedestal 17 on the switch main body 1, at button pedestal 17 button 18 that is equivalent to control member is installed, button 18 can be that rotate at the center with axle 19.Form arm 20 on this button 18, arm 20 lower ends form the slot part 21 of nick shaped.Can engage the operating portion 11 of contact base 10 in this slot part 21 slidably, contact base 10 is as following 11)～13) shown in, slide with the rotating operation interlock of button 18.

11) neutral position of button 18

So-called neutral position is meant the horizontal non-operating state of button 18.In the neutral position of this button 18, thereby because arm 20 stops at the neutral position for vertically erecting state contact base 10.At this state, power windows motor 16 is disconnected, and power windows stops in current location.

12) lifting position of button 18

So-called lifting position is meant the mode of operation that button 18 is toppled over to the arrow A direction.In the lifting position of this button 18, arm 20 rotates to the arrow A direction, thereby contact base 10 moves to lifting position to the slip of arrow B direction.At this state, power windows motor 16 is just changeing, and power windows rises.

13) down position of button 18

So-called down position is meant the mode of operation that button 18 is toppled over to arrow A in the other direction.At the down position of this button 18, arm 20 is to the arrow A counter-rotation, thereby contact base 10 slides in the other direction to arrow B and moves to down position.At this state, 16 counter-rotatings of power windows motor, power windows descends.

Shown in Fig. 1 (a), form the push rod guiding piece 22 of a portion that is equivalent on the button 18.This push rod guiding piece 22 forms the cubic tubular that extends along arm 20, can be slidably inserted into push rod 23 in push rod guiding piece 22.This push rod 23 forms cubic column as shown in Figure 3, forms the spring guiding piece 24 of prominent shape above the push rod 23.Shown in Fig. 1 (a), cooperating the push rod spring 25 that is equivalent to spring member at the outer peripheral face of this spring guiding piece 24.This push rod spring 25 is made of the collapse coil spring, is housed in the push rod guiding piece 22.

Shown in Fig. 1 (a), form restraining portion 26 on the switch main body 1.This restraining portion 26 forms to have to the sliding surface 27 of butt joint side decline inclination and 28 upside-down triangle shape, forms the recess 29 that is equivalent to the holding section in the restraining portion 26.This recess 29 is meant the intersection of sliding

surface

27 and 28, and when button 18 was positioned at the neutral position, the chamfered section 30 of push rod 23 utilized the elastic force of push rod spring 25 to engage with recess 29.This chamfered section 30 is meant the planar forming section of the formed semi arch in push rod 23 lower ends as shown in Figure 3, and button 18 utilizes the engaging of 30 of recess 29 and chamfered section to try hard to keep and is held in the neutral position.Also have, chamfered section 30 is equivalent to the circular arc face.

The sliding surface 27 of restraining portion 26 makes button 18 automatically reset to the neutral position from lifting position.That is, when lifting position was operated, the chamfered section 30 of push rod 23 was tilted face 27 and pushes button 18 from the neutral position, and the elastic force that push rod 23 overcomes push rod spring 25 returns in the push rod guiding piece 22.At this state, when button 18 was removed operating physical forces, chamfered section 30 relied on the recuperability of push rod springs 25 to descend along sliding surface 27, and chamfered section 30 engages with recess 29, thereby button 18 resets to the neutral position from lifting position.

The inclined plane 28 of restraining portion 26 makes button 18 automatically reset to the neutral position from down position.That is, when the decline position operation, the chamfered section 30 of push rod 23 is tilted face 28 and pushes button 18 from the neutral position, and the elastic force that push rod 23 overcomes push rod spring 25 returns in the push rod guiding piece 22.At this state, when button 18 was removed operating physical forces, chamfered section 30 relied on the recuperability of push rod springs 25 to descend along sliding surface 28, and chamfered section 30 engages with recess 29, thereby button 18 resets to the neutral position from down position.

Form a pair of wall portion 31 on the push rod guiding piece 22 as shown in Figure 3.These wall portions 31 are shown in Fig. 1 (b), and it is opposed to clip restraining portion 26, form the slot part 32 that is equivalent to channel guide section in two wall portions 31 as shown in Figure 3 separately.These each slot parts 32 form the linearity that extends with respect to the glide direction of push rod guiding piece 22 along push rod 23, shown in Fig. 1 (b), have " コ " shape guide groove face 34.These each guide groove faces 34 are meant slot part 32 inner peripheral surfaces, as shown in Figure 3, can be slidably inserted into the teat 33 that is equivalent to the directed section in each slot part 32.These each teats 33 are formed at push rod 23 bottoms, and two sides different with the direction of operating of button 18 from push rod 23 are outstanding.These each teats 33 form identical cylindric of chamfered section 30 radiuses with push rod 23, with chamfered section 30 no differences in height link to each other.

According to the foregoing description, on push rod guiding piece 22, be provided with and clip opposed wall portion of restraining portion 26 31, two teats 33 of push rod 23 can be fastened in two slot parts 32 of two wall portions 31 slidably.Thereby not only push rod 23 first halves are by push rod guiding piece 22 guiding, thereby and push rod contact push rod 23 Lower Halves based on two teats, 33 outer peripheral faces with the guide groove face 34 of two slot parts 32 and also be directed.Thereby the vertical whole zone of push rod 23 all is directed from the rotation direction of button 18, and therefore, push rod 23 improves the operation feeling of button 18 with respect to the rocking of push rod guiding piece 22 when suppressing button 18 and rotating.

Be provided with on push rod 23 and planar chamfered section 30 same radius of circular arc and cylindric two teats 33 that link to each other with planar chamfered section 30 the no differences in height ground of circular arc, therefore, push rod 23 can not snap into sliding

surface

27 and 28 and slip swimmingly when button 18 rotated.

In the foregoing description, be that the utility model is applicable to the vehicle power window switch apparatus, but be not limited thereto, can also be applicable to the switching device of for example operating direction indicator for vehicle, the switching device of operation vehicle light etc.In a word, the scope of application is not only limited to power window switch apparatus.

Claims

1. switching device is characterized in that possessing:

The control member that can be provided with rotationally;

Be arranged on the tube portion on the aforesaid operations member;

Can be slidably inserted into the push rod in the above-mentioned tube portion;

Above-mentioned push rod is pressed on spring member on the sliding surface;

Be arranged in the above-mentioned tube portion and clip the opposed a pair of wall of above-mentioned sliding surface portion;

The a pair of guide portion that is arranged in the above-mentioned a pair of wall portion and extends along the direction that above-mentioned push rod slides with respect to above-mentioned tube portion; With

The a pair of directed section that is arranged on the above-mentioned push rod and can engages slidably with above-mentioned a pair of guide portion.

2. switching device as claimed in claim 1 is characterized in that: be provided with the circular arc face that is pressed on the above-mentioned sliding surface on the above-mentioned push rod,

Above-mentioned each directed section by the radius of radius and above-mentioned circular arc face identical and with facial the no difference in height of above-mentioned circular arc the teat that links to each other constitute,

Above-mentioned each guide portion is made of the slot part that can engage above-mentioned teat slidably.