CN204242903U

CN204242903U - Protection rotary switch

Info

Publication number: CN204242903U
Application number: CN201420786771.3U
Authority: CN
Inventors: 周凤明
Original assignee: Zhejiang Kang Xin Auto Electric Co Ltd
Current assignee: Zhejiang Kang Xin Auto Electric Co Ltd
Priority date: 2014-12-15
Filing date: 2014-12-15
Publication date: 2015-04-01
Anticipated expiration: 2024-12-15

Abstract

The utility model discloses a kind of protection rotary switch, comprise housing and at least two pins fixed with housing, housing is equipped with rotating shaft, it is characterized in that: rotating shaft interlock has rotating disk, the side of rotating disk is circumferentially provided with at least one elastic telescopic portion, and having break-over disk by the conflict of elastic telescopic portion, break-over disk has the conducting boss of at least two mutual electric connections relative to the opposite side in elastic telescopic portion, and break-over disk is limited to the rotation of housing work circumference; Conducting face is formed after pin equal one end bending predetermined angle; The conducting boss of at least two is conflicted the conducting face of different pin.The purpose of this utility model is to provide a kind of protection rotary switch preventing rotary switch vibration or misoperation from causing its hop jump gear.

Description

Protection rotary switch

Technical field

The utility model relate to a kind of by can around its longitudinal axis rotate and the direct operated switch of functional unit handled by the rigid body outside switch, relate to a kind of protection rotary switch particularly.

Background technology

Switch refers to that one can make open circuit, makes current interruptions or make it flow to the electronic component of other circuit.At present, on market, mechanical switch is divided into by different operating mode: push type, trigger-type, dial type, rotary, rotary switch is easy to use with it, have many gears to regulate, locate the advantages such as reliable, is widely used with appliance field as fan, electric light, broadcast receiver, sound equipment etc.Its rotary knob of traditional rotary switch easily causes the phenomenons such as switch trip stop or improper keying in loosening or slight touching.

Utility model content

For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of protection rotary switch preventing rotary switch vibration or misoperation from causing its hop jump gear.

For achieving the above object, the utility model provides following technical scheme:

A kind of protection rotary switch, comprise housing and at least two pins fixed with housing, described housing is equipped with rotating shaft, described rotating shaft interlock has rotating disk, the side of described rotating disk is circumferentially provided with at least one elastic telescopic portion, and having break-over disk by the conflict of described elastic telescopic portion, described break-over disk has the conducting boss of at least two mutual electric connections relative to the opposite side in elastic telescopic portion, and described break-over disk is limited to the rotation of housing work circumference;

Conducting face is formed after described pin equal one end bending predetermined angle;

Conducting boss described at least two is conflicted the conducting face of different pin.

As setting of the present utility model, described break-over disk relative to rotating disk side circumference be provided with helical teeth, described helical teeth is towards described rotating disk; Described telescopic spring portion is connected to the pitch face of described helical teeth.

Preferably, described elastic telescopic portion comprises the stopper slot arranged along rotating disk circumference, and the trench bottom of described stopper slot is fixed with stage clip, and described stage clip has abutted ball relative to the other end of trench bottom with between the pitch face of described helical teeth.

In addition, all sidewalls of described break-over disk are provided with guide vane end stop, and described enclosure interior is provided with the stopper slot for guide vane end stop circumference Local Sliding.

In addition, described rotating shaft has abutted extension spring with between break-over disk.

In addition, described rotating shaft is provided with central through hole vertically, and all sidewalls of described rotating shaft offer the groove being communicated with central through hole, and are not communicated with the axial groove of central through hole.

Compared with prior art, what rotating disk of the present utility model linked is subjected to displacement with rotating shaft.

Needs adjust more gear time, rotating shaft pushed vertically, dial movement followed by rotating disk; Now, because the elastic telescopic portion and the break-over disk that are positioned at rotating disk side are conflicted, in the process of rotator shift, there is elastic compression in elastic telescopic portion, the pressure that break-over disk must be subject to elastic telescopic portion increases, and the frictional force that simultaneously elastic telescopic portion abuts place with break-over disk increases; Be increased to a certain degree in aforesaid frictional force, rotating shaft and rotating disk, now break-over disk anti-raw rotation under the effect of aforesaid frictional force; In the process that break-over disk rotates, the conducting boss of rotating disk circumference is rotated, and the conducting surface being moved to another pin by the conducting surface of a pin realizes gear shift also or by the conducting surface position of a pin to putting empty position, realizes opening and closing.

Do not need to adjust more gear time; rotating shaft is shaken or non-operational is rotated; elastic telescopic portion and break-over disk are conflicted; but friction between elastic telescopic portion and break-over disk is hypodynamic; now need elastic telescopic portion break-over disk can't be caused to rotate with the rotation of rotating disk; then conducting boss can not be subjected to displacement, and protects when circumference rotation occurs rotating shaft non-operational, occurs gear shift or keying.

Accompanying drawing explanation

Fig. 1 is the overall structure figure of the utility model protection rotary switch embodiment;

Fig. 2 is the cut-away view of the upper shell of the utility model protection rotary switch embodiment;

Fig. 3 is the cut-away view of the utility model protection rotary switch embodiment;

Fig. 4 is the inner body figure of the utility model protection rotary switch embodiment;

Fig. 5 is the vertical view of Fig. 4.

Accompanying drawing marks: 11, upper shell; 12, lower house; 2, rotating shaft; 21, pivot block; 3, rotating disk; 31, elastic telescopic portion; 311, stopper slot; 312, stage clip; 313, ball; 4, break-over disk; 41, slipping block; 42, helical teeth; 43, conducting boss; 5, pin; 51, conducting surface; 6, extension spring.

Embodiment

Referring to figs. 1 through Fig. 5, the utility model protection rotary switch embodiment is described further.

As shown in Figure 1, a kind of protection rotary switch, comprise upper shell 11 and lower house 12, described upper shell 11 is equipped with rotating shaft 2, and described rotating shaft 2 can push upper shell 11 inside, and the present embodiment, after rotating shaft 2 inwardly pushes and rotates, can realize gear shift.

Particularly, please refer to shown in Fig. 2, internal structure in the present embodiment upper shell 11 is that rotating shaft 2 interlock has rotating disk 3, the bottom of rotating disk 3 is provided with three outstanding elastic telescopic portions 31, elastic telescopic portion 31 and break-over disk 4 are conflicted, and preferably elastic telescopic portion 31 conflicts on the pitch face of the helical teeth 42 of break-over disk 4 circumference setting; When gear exchanged by needs, press down rotating shaft 2 and rotating disk 3 makes the pressure of the pitch face of the 31 pairs of helical teeth 42 in elastic telescopic portion increase, now when elastic telescopic portion 31 circumference rotation, it forces in the pitch face of helical teeth 42, makes break-over disk 4 can better Forced rotation.

In addition, as shown in Figure 4, the elastic telescopic portion 31 of the present embodiment comprises the stopper slot 311 arranged along rotating disk 3 circumference, and the trench bottom of stopper slot 311 is fixed with stage clip 312, and stage clip 312 has abutted ball 313 relative between the other end of trench bottom and the pitch face of helical teeth 42.The object of such design is, because break-over disk 4 has been provided with helical teeth 42 in its side in fact, elastic telescopic portion 31 is by applying elastic pressure to the pitch face of helical teeth 42, this elastic pressure can resolve into horizontal thrust and vertical pressure, wherein break-over disk 4 promotes its motion by horizontal thrust, compared to frictional rotation, more reliably, and decrease frictional dissipation.

In addition, as shown in Figure 4, the present embodiment abuts between rotating disk 3 and break-over disk 4 extension spring 6, the object of such design is, in this latter case, rotating disk 3 naturally can apply pressure downwards to the present embodiment, adds the integral pressure of the 31 pairs of pitch faces in elastic telescopic portion, if integral pressure is excessive, can cause rotating disk 3 in rotation process, the improper rotation of break-over disk 4.

As shown in Figure 3 to Figure 4, the present embodiment preferably includes four pins 5, after one end of described pin 5 all bends 90 degree, forms conducting surface 51; Break-over disk 4 circumferential hoop is furnished with three conducting boss 43, and three conducting boss 43 are connected on different conducting surfaces 51 respectively.

Particularly, as shown in Figure 5, the disjunct formation conductive plane of the conducting surface 51 of four pins 5, break-over disk 4 is in rotation process, all there is circumferential displacement in three conducting boss 43, to conflict the conducting surface 51 of different pin 5, be communicated with different circuit to realize conducting boss 43.

In addition, as shown in Figures 2 to 4, all sidewalls of break-over disk 4 have guide vane end stop, slipping block 41 is in the slippage slot (not shown in FIG.) that arranges in enclosure interior of slippage, and slippage slot can make to comprise several disjunct annular grooves, slipping block 41 be slippage in annular groove, like this design break-over disk 4 can be made can only to rotate in certain angle.

Continue referring to Fig. 4, consider the mode variation of connection rotating shaft 2, the present embodiment rotating shaft 2 is provided with central through hole vertically, and all sidewalls of rotating shaft 2 offer the groove being communicated with central through hole, and are not communicated with the axial groove of central through hole.Wherein, groove and central through hole form pluggable axle; Wherein, axial groove can, by ex-ternal transmission, cause rotating shaft 2 to be rotated.

In addition, offer pivot block 21 at all sidewalls of rotating shaft 2, rotating disk 3 towards axial groove side in the inner wall offer axial groove vertically, the pivot block of the rotating shaft 2 of the present embodiment 21 and rotating shaft 2 groove are in unjustified situation, and rotating shaft 2 cannot driving turntable 3.Therefore, first pivot block 21 must align with rotating shaft 2 groove by user, and makes it to abut, and can realize transmission, prevent the possibility of the misoperation of the present embodiment further.

The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.

Claims

1. a protection rotary switch, comprise housing and at least two pins fixed with housing, described housing is equipped with rotating shaft, it is characterized in that: described rotating shaft interlock has rotating disk, the side of described rotating disk is circumferentially provided with at least one elastic telescopic portion, and having break-over disk by the conflict of described elastic telescopic portion, described break-over disk has the conducting boss of at least two mutual electric connections relative to the opposite side in elastic telescopic portion, and described break-over disk is limited to the rotation of housing work circumference;

2. protection rotary switch according to claim 1, is characterized in that:

Described break-over disk relative to rotating disk side circumference be provided with helical teeth, described helical teeth is towards described rotating disk; Described telescopic spring portion is connected to the pitch face of described helical teeth.

3. protection rotary switch according to claim 1 and 2; it is characterized in that: described elastic telescopic portion comprises the stopper slot arranged along rotating disk circumference; the trench bottom of described stopper slot is fixed with stage clip, and described stage clip has abutted ball relative to the other end of trench bottom with between the pitch face of described helical teeth.

4. protection rotary switch according to claim 1, is characterized in that: all sidewalls of described break-over disk are provided with slipping block, and described enclosure interior is provided with the slippage slot for guide vane end stop circumference Local Sliding.

5. protection rotary switch according to claim 1, is characterized in that: described rotating shaft has abutted extension spring with between break-over disk.

6. protection rotary switch according to claim 1, is characterized in that: described rotating shaft is provided with central through hole vertically, and all sidewalls of described rotating shaft offer the groove being communicated with central through hole, and are not communicated with the axial groove of central through hole.