CN2638219Y

CN2638219Y - Seesaw type switch actuator

Info

Publication number: CN2638219Y
Application number: CN 03272022
Authority: CN
Inventors: 曾俊凯
Original assignee: Wistron Corp
Current assignee: Wistron Corp
Priority date: 2003-06-13
Filing date: 2003-06-13
Publication date: 2004-09-01
Anticipated expiration: 2013-06-13

Abstract

The utility model relates to a seesaw type switch actuator used for being arranged at the top parts of a pair of switches arranged at intervals to selectively actuate the switches. The utility model comprises a casing and a pivoting component, wherein the pivoting component is provided with a body and a pair of elastic arms convexly extending from the two reverse sides in the lateral direction of the body. Each elastic arm comprises a pivot joint part which approaches the body and is pivoted on each pivot joint component of the casing, and an elastic part extending from the pivot joint part, and the end of the elastic part is fixed to the casing. Thereby, when any one of the two pressing parts of the pivoting component is pressed by the external force, the pivoting component inclines and rotates towards each corresponding switch by taking the two pivot joint parts as the fulcrums and jointly provides the pivoting component with the reset elastic force by the deformation of the elastic part.

Description

The wane type switch actuating device

(1) technical field

The relevant a kind of actuating device of the utility model refers to a kind of wane type switch actuating device that improves the product yield with reducing counterpart quantity and relative accumulated size tolerance thereof especially.

(2) background technology

Wane type switch (rocker switch) is common in electronic equipment such as volume adjustment, on the operation push-button of multistage reciprocalfunctions such as target homing, the U.S. the 4th as shown in Figure 1,000, No. 383 patent of invention cases, promptly disclose a kind of wane type switch with elastic reset effect, it mainly comprises a housing 91, one is mounted on the base 92 of housing 91 bottoms, one is located at the pivotal part 93 of housing 91 inside, one is arranged at spring 94 and a plurality of conducting terminal 95 of base 92 inside, and the finger 931 that pivotal part 93 bottoms protrude out is the sliding arc grooves 921 that are supported in base 92 of establishing.By this, when user's application of force push pivotal part 93 upper surfaces two press sections 932,933 wherein any one the time, pivotal part 93 is that fulcrum pivots with its finger 931 promptly, and therefore touches corresponding conducting terminal 95 and produce above-mentioned as effects such as volume adjustment or target homings.

In the above-mentioned existing design,, can make that finger 931 is smooth and easy to be slidedly arranged on arc groove 921 and unlikely pine or the tension crossed because housing 91, pivotal part 93 and base 92 size of finishing between in twos needs no-float.But on reality is made, except that the dimensional tolerance of each element certainty itself, tolerance by the common accumulation of housing 91, pivotal part 93 and base 92 threes will be more apparent serious, make finger 931 often too near or away from arc groove 921, do not cause operating function good and the finished product fraction defective is too high.Wherein, when finger 931 too during arc of approach connected in star 921, finger 931 is in the slip on arc groove 921 surfaces, will make relatively slightly upwards jack-up and influence overall appearance of two press sections 932,933, and the anxiety that can't touch conducting terminal 95 is really arranged simultaneously; Right in finger 931 during too away from arc groove 921, may make finger 931 can't touch groove 921 surfaces again and obtain supports.

(3) utility model content

Therefore, a purpose of the present utility model provides and a kind ofly reduces the part cumulative limit and improve the wane type switch actuating device of product yield.

Another purpose of the present utility model provides a kind of by the good wane type switch actuating device of compression elasticity.

Wane type switch actuating device of the present utility model is to activate respectively this switch in order to the switch top that is mounted on a pair of arranged spaced with selectivity, and it comprises a housing and a pivotal part.This housing has a perforate and a pair of articulated part that is positioned at horizontal two opposition sides of perforate; This pivotal part then has a body and a pair of elastic arm.This body is the perforate that activity is arranged in housing, and comprise be positioned at long to two opposition side tops and each two press section for pressed by external force, and be positioned at long to two opposition sides bottom to activate two actuation part of each switch respectively.This is to protrude out from horizontal two opposition sides of body to elastic arm, and respectively comprises one near body and be hubbed at the articulated section of each articulated part of housing, and one extends and the terminal elastic portion that is fixed in housing from the articulated section.By this, when two press sections of pivotal part are wherein arbitrary when being subjected to pressed by external force, to be fulcrum with two articulated sections promptly vert towards each switch of correspondence pivotal part, and mat this to the deformation of elastic portion and provide pivotal part one reseting elasticity jointly.

In a preferred embodiment, the articulated section of each elastic arm and elastic portion be respectively along vertical and parallel this body length to direction extend.

With above-mentioned unitary construction and mode of operation, wane type switch actuating device of the present utility model, pivot joint effect with the articulated part of the articulated section of elastic arm and housing, make pivotal part directly be hubbed at housing and need not the extra counterpart in bottom, except that simplifying the part, also the dimensional tolerance of each part accumulation can be minimized, therefore improve the product fine rate; Simultaneously, the deformation of the articulated section of mat elastic arm also provides pivotal part one reseting elasticity simultaneously and guarantees it by compression elasticity, this actuating device is more had concurrently operate double utility easily.

(4) description of drawings

Fig. 1 is an existing wane type switch actuating device front side cross-sectional schematic;

Fig. 2 is the utility model wane type switch actuating device one embodiment vertical view;

Fig. 3 is the exploded perspective view of this embodiment;

Fig. 4 is the combination stereogram of this embodiment;

Fig. 5 is and the similar combination stereogram of Fig. 4 that wherein two nose bars of a housing are incorporated into the circular hole of two elastic portion end through further thermosol;

Fig. 6 is the front view of Fig. 5, and wherein a pivotal part is positioned at a nature that is not subjected to pressed by external force; And

Fig. 7 is and the similar combination stereogram of Fig. 6 that wherein this pivotal part one end is subjected to pressed by external force and verts towards a pair of inductive switch.

(5) embodiment

Aforementioned and other technology contents, characteristics and effect of the present utility model, in following cooperation preferred embodiment with reference to the accompanying drawings describes in detail, can be clearer.

At first shown in Fig. 2,6, wane type switch actuating device of the present utility model is to activate each

switch

31,32 in order to switch 31,32 tops that are mounted on a pair of arranged spaced with selectivity, and it mainly comprises a housing 1 and a pivotal part 2.Two switches the 31, the 32nd in the present embodiment are in order to regulate the notebook computer volume of (figure does not show), housing 1 then correspondence is arranged at a surface of this notebook host near the keyboard place, so change in the example in other, this wane type switch actuating device is also applicable to the electronic installation equipment of any suitable pattern, exceeded but not lift with present embodiment.

Shown in Fig. 3,6, housing 1 is offered a lengthwise in place, corresponding two

switches

31,32 tops and is circular-arc perforate 11 to two ends, and corresponding perforate 11 horizontal two opposition sides in housing 1 bottom then respectively protrude out an articulated part 12.Each articulated part 12 is one long to the trips that extend along parallel perforate 11 in the present embodiment, and two trips are to protrude out along same direction, then forms the fluting 13 that a confession pivotal part 2 corresponding positions are installed with and pivot between each trip and housing 1 bottom, and its details is detailed later.

Pivotal part 2 mainly has a body 21 and a pair of elastic arm 22 that is made into integration by plastic cement, metal or other suitable pliability materials.Body 21 is perforate 11 shapes that cooperate above-mentioned housing 1, integral body is a lengthwise and is circular-arc lid to two ends, grow circular relief or the floating concavity press section 211,212 that respectively supplies pressed by external force to two opposition side tops and comprise a pair of being positioned at, a pair of be positioned at long to two opposition sides bottom with the corresponding shaft-like actuation part 213,214 that activates each

switch

31,32 respectively, reach one and be positioned at body 21 1 particular side to prevent the fool proof portion 215 of pivotal part 2 mistake dresses, its details is detailed later.

This is to protrude out from body 21 horizontal two opposition sides to elastic arm 22, and respectively comprise one near body 21 and be hubbed at the round bar shape articulated section 221 of housing 1 each corresponding articulated part 12, and one 221 extends and terminal in order to be fixed in the elongated rod shape elastic portion 222 of housing bottom from the articulated section.In the present embodiment each articulated section 221 and elastic portion 222 be respectively along vertical and parallel body 21 long to direction extend, and the two elastic portion 222 of two elastic arms 22 is to be reverse extension mutually.Each elastic portion 222 is away from the terminal of articulated section 221 and through enlarging, and offers a circular hole 223 in elastic portion 222 ends of this expansion.

Shown in Fig. 4,5, the assembling of the utility model wane type switch actuating device, at first, when two elastic arms, 22 articulated sections 221 of pivotal part 2 as shown in Figure 4, after plugging the fluting 13 that enters between each articulated part 12 and housing 1 bottom under perforate 11 longitudinallies (i.e. the direction of arrow among the figure) summary tiltedly of housing 1, make the circular hole 223 of each elastic portion 222 end wear for two nose bars 14 that protrude out from housing 1 bottom; Then making nose bar 14 and elastic portion 222 terminal thermosols as shown in Figure 5 is one, make elastic portion 222 ends be permanently secured to housing 1, yet other suitable permanent or temporary fixed forms is also applicable.In addition, the articulated section 221 of above-mentioned two elastic arms 22 is inserted in the process of fluting 13, but the fool proof portion 215 of mat body 21 with prevent articulated section 22 along with Fig. 4 in the arrow rightabout be inserted in fluting 13, cause wrong on the contrary mutually

switch

31,32 to activate the result, heighten the reduction that volume reality but causes volume as former plan.

By this, as Fig. 6,7 demonstrations of giving an example, operation of the present utility model, when the press section 211 of pivotal part 2 bodies 21 is subjected to pressed by external force, pivotal part 2 integral body will be pivot point with the articulated section 221 of two elastic arms 22, and further vert towards its corresponding switch 31 as shown in Figure 7 from nature shown in Figure 6, the actuation part 213 that is positioned at body 21 the same sides with press section 211 then compresses and actuation switch 31 then.In this simultaneously, except that a main reset force is provided with switch 31, and can accumulate an auxiliary reseting elasticity with the bending deflection of two elastic portion 222, make the external force that acts on press section 211 once after discharging, pivotal part 2 i.e. court pivots away from switch 31 directions, and is reset to the horizontal level under the nature shown in Figure 6.In like manner, pivotal part 2 another press sections 212 are subjected to the reset mechanism of pressed by external force also same, do not give unnecessary details in addition in this.

With above-mentioned unitary construction and mode of operation, the utility model discloses a kind of wane type switch actuating device, with the articulated section 221 of elastic arm 22 and the pivot joint effect of housing 1 articulated part 12, make pivotal part 2 directly be hubbed at housing 1 and need not the extra counterpart in bottom, except that simplifying the part, also the dimensional tolerance of each part accumulation can be minimized, therefore improve the product yield; Simultaneously, the deformation of mat elastic arm 22 articulated sections 221 also provides pivotal part 2 one reseting elasticities simultaneously and guarantees it by compression elasticity, this actuating device is more had concurrently operate double utility easily.

But above-described only is preferred embodiment of the present invention, when can not limiting scope of the invention process with this, every simple equivalent of having done according to the claims and the description of the invention content of the present patent application changes with replacing and all should still belong in the scope that patent of the present invention contains.

Claims

1. a wane type switch actuating device activates respectively this switch in order to the switch top that is mounted on a pair of arranged spaced with selectivity, and this actuating device comprises a housing and a pivotal part, it is characterized in that:

This housing has a perforate and a pair of articulated part that is positioned at horizontal two opposition sides of this perforate; And

This pivotal part has:

One body, activity are arranged in the perforate of this housing, and comprise be positioned at long to two opposition side tops and each two press section for pressed by external force, and be positioned at long to two opposition sides bottom to activate respectively two actuation part of this switch respectively;

A pair of elastic arm, horizontal two opposition sides of this body protrude out certainly, and respectively comprise one near this body and be hubbed at the respectively articulated section of this articulated part of this housing, and one extends and the terminal elastic portion that is fixed in this housing from this articulated section.

2. wane type switch actuating device as claimed in claim 1 is characterized in that, respectively the trip of this articulated part for protruding out from this housing bottom supplies the respectively fluting of the articulated section pivot of this elastic arm and form one between this trip and this housing.

3. wane type switch actuating device as claimed in claim 2 is characterized in that, respectively this trip is that perforate length towards this housing is to extension.

4. wane type switch actuating device as claimed in claim 1 is characterized in that, respectively the articulated section of this elastic arm be along vertical this body length to direction extend.

5. wane type switch actuating device as claimed in claim 4 is characterized in that, respectively the elastic portion of this elastic arm be along parallel this body length to direction extend.

6. as claim 1 or 5 described wane type switch actuating devices, it is characterized in that the two elastic portion of this two elastic arm is to be reverse extension mutually.

7. wane type switch actuating device as claimed in claim 1 is characterized in that, respectively the elastic portion end of this elastic arm is to be fixed in this housing with the permanent fixation mode.

8. wane type switch actuating device as claimed in claim 7 is characterized in that, this permanent fixation mode is to be thermosol.

9. wane type switch actuating device as claimed in claim 1 is characterized in that, the body of this pivotal part also comprises a fool proof portion that prevents the mounting direction mistake.