CN1097897A

CN1097897A - Electrical switch

Info

Publication number: CN1097897A
Application number: CN 93108513
Authority: CN
Inventors: 黄彬
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-06-18
Filing date: 1993-07-09
Publication date: 1995-01-25
Also published as: GB2279177B; GB9312639D0; GB2279177A; CN2192076Y

Abstract

Electrical switch (10) comprising: have an axis and reach around the skeleton (11) of the inner peripheral (19) of axis; A plurality of fixed conversion contacts (20-25) of establishing around inner peripheral (19); Be bearing in the skeleton (11) and around the converting member (14) of axis rotation; Be stated from converting member (14) thus go up and with its associated movement make a fixed conversion contact (20) and other fixed conversion contacts (21-25) optionally the movable conversion of conducting touch part (37).Two conducting end (40) that part (37) is touched in movable conversion are elastic biasing radially outwardly, thereby electrically contacts with each fixing conversion contact (20-25).

Description

Electrical switch

The present invention relates to a kind of electrical switch.

The invention provides a kind of like this electrical switch, this change over switch comprises: skeleton has an axis and around the inner peripheral of this axis on this skeleton; A plurality of fixing conversion contacts are provided with round this periphery basically; Converting member is supported in this skeleton so that around described axis rotation; Touch part with movable conversion, be loaded on the described converting member so that rotate in company with it; Touch part with movable conversion, be loaded on the described converting member so that rotate in company with it, thereby make one of described fixing conversion contact and other conversion contact conductings selectively, described movable conversion is touched part and is had two conduction ends, each conducts electricity the end by elastic biasing radially outwardly, contacts thereby form conduction with corresponding described fixing conversion contact.

Two conduction ends that part is touched in movable conversion preferably are oppositely arranged with respect to this axis symmetrically symmetrically.

Advantageously, to touch part be straight shape basically in this movable conversion.

In a preferred embodiment, this movable conversion is touched part and is made of two end piece and an intermediate member of forming corresponding this end, and this intermediate member conducts electricity, and is conducted with corresponding this end piece with its two relative ends.

Advantageously, this intermediate member is rigidity basically, and this movable conversion is touched part and also is included between these two end piece its two relative spring parts that work in the end.

Under the ad hoc structure situation, this intermediate member forms and passes the radially extension raceway groove of this converting member and have two ends, thereby bears corresponding this end piece slidably.

Under more specific structure situation, each described end piece is formed by bonding jumper, and this bonding jumper is bent so that the respective end to raceway groove jointly plays elastic reaction between the opposing sidewalls of this raceway groove.

It is useful making this electrical switch also comprise conversion position device so that limit a plurality of dislocations of this converting member.

In a preferred embodiment, this conversion position device can move and has the end of the elastic biasing of an inner peripheral that leans this skeleton with this converting member, be formed with a series of grooves so that stably set described end along this periphery, thereby limit each dislocation.

This conversion position device preferably includes two end piece of diametrically contraposition basically, and each end piece forms corresponding described end, and this conversion position device also comprises a spring part that concurs between two end piece, to its opposite end.

Under the ad hoc structure situation, this converting member has the raceway groove that radially extends, and two opposite ends of this raceway groove are accepted corresponding this end piece slidably, and hold this spring part in this raceway groove.

Preferably one of them is arranged on another and both are in same plane described two raceway grooves.

This skeleton preferably is made of first parts and second portion, and this first is jar shape and is provided with inner peripheral, and this second portion is provided with near this first.

Under the preferred construction situation, at least one described fixing conversion contact is formed by inverted U-shaped bonding jumper, this inverted U-shaped bonding jumper has inner wing bar and outer wing bar, and be erected on the edge of described first skeleton part, this inner wing bar is located on this inner peripheral, and this outer wing bar passes and is formed on this intramarginal passage so that make this bonding jumper location.

The inboard of this passage preferably has the groove of common extension.

At least one the conversion contact that should fix preferably keeps the location by this second skeleton part near this first skeleton part.

In the ad hoc structure situation, this first skeleton partly is a base, and this second skeleton partly is a top cover, and this top cover has center port, and the joystick of this converting member promptly stretches out from this center port.

Under a kind of applicable cases, this electrical switch is that hilted broadsword is thrown selector switch more.

Below by only being for example and with reference to the mode of accompanying drawing so that the present invention is carried out more concrete description.Accompanying drawing comprises:

Fig. 1 is the birds-eye perspective of the embodiment of electrical switch of the present invention;

Fig. 2 is the face upwarding view of the electrical switch of Fig. 1;

Fig. 3 is the birds-eye perspective that the parts of the electrical switch of Fig. 1 decompose;

Fig. 4 is the side view cutaway drawing of the electrical switch of Fig. 1 by IV-IV line;

Fig. 5 is the side view cutaway drawing of the electrical switch of Fig. 1 by V-V line;

Fig. 6 is the section plan of the electrical switch of Fig. 4 by VI-VI line; With

Fig. 7 is the section plan of the electrical switch of Fig. 4 by VII-VII line.

Electrical switch 10 of the present invention has been shown in Fig. 1 to Fig. 3, and this electrical switch 10 comprises skeleton 11 that is made of jar shape base 12 and the top cover 13 that covers this base 12.This electrical switch 10 also comprises converting member 14, and this converting member 14 is supported so that rotatablely move around being in the axis in the skeleton 11.

This electrical switch 10 has six fixing conversion contacts 20 to 25, and they are provided with around the first half of the inboard of the perisporium 19 of base 12 according to certain intervals.The inboard of perisporium 19 has formed the inner peripheral of skeleton 11.The first conversion contact 20 is formed by the arch copper bar 26 that extends about 120 ° of scopes along the inboard of perisporium 19.The two ends of copper bar 26 respectively have bead 27, and this bead 27 is become to extend radially outwardly by folding.These two beads 27 are used to be installed on the edge 29 of base 12 among the formed corresponding shallow cut 28, thereby copper bar 26 is positioned.The degree of depth of one of this otch 28 is darker, so that also hold a carrying screw ora terminalis 30.

Remaining five conversion contacts 21 to 25 by 30 ° regular interval along the perisporium of base 12 in about 120 ° scope setting.Fixing conversion contact 21 is formed by a carrying screw ora terminalis 31 with angle, and it is arranged on the shallow cut 32 at edge 29 of base 12 and extension inwardly radially.Other four conversion contacts 22 to 25 are identical, and they are formed by the U-shaped copper bar 33 that stands upside down respectively, and are erected on the edge 29 of base 12.Each copper bar 33 has a vertical inner wing bar 33A, a vertical outer wing bar 33C and a horizontal top 33B who connects this both wings bar.Inner wing bar 33 is positioned in the inboard of the perisporium 19 of base 12, and horizontal top 33B is positioned among the shallow cut 34 on the edge 29 of base 12.

Edge 29 has all thickeied thickness according to the direction outside mutually radially on forming each otch 28,32 and each position of 34.At each otch 34 place, the outside at edge 29 has a vertical channel 35, and this vertical channel 35 is extended by the reinforcement at edge 29.The upper end of groove 35 combines with the upper end of otch 34, and it is identical with the width of the bottom of this groove 35.A radially outer side of groove 35 is owing to have alongst two existence of part 35A that extend internally vis-a-vis at this groove 35, thereby becomes narrower, so just vertical channel with slit of common extension of formation outside this groove.Each outer wing bar 33C that changes contact 22 to 25 is inserted into suitably from facing down the respective channel 35 that is located at side after a pair of extension 35A vis-a-vis.This passage 35 and corresponding extension 35A are used for locating by vertical orientations changing contact 33 accordingly.The least significant end of conversion contact 33 is exposed below the reinforcement at edge 29, so that conduct electricity connection.

Referring again to Fig. 4 and 5, converting member 14 has body 15 and the center joystick of the whole shape of upwards being erect by this main body.This body 15 is arranged among the skeleton 11 of electrical switch, and 16 center port 13A that pass top cover 13 of bar extend upward.Body 15 radially extends with respect to bar 16, and body is provided with and is in the same vertical plane and common last raceway groove 17 and the hyposulculus 18 that extends.Last raceway groove 17 is in order to holding the movable conversion contact assembly 37 of electrical switch 10, and lower channel 18 is held the positioner 38 that is used to limit six reliable dislocations.

Consult Fig. 6 again, movable conversion contact assembly 37 is by the contact component 40 of the diametrically contraposition of the copper raceway groove parts 39 in a firm basically U-shaped cross section, a pair of opposite end that is installed in these raceway groove parts 39 slidably and be installed in these raceway groove parts 39 and be between this a pair of contact component 40 and the ring spring 41 that works.Raceway groove parts 39 are arranged among the last raceway groove 17 of converting member body 15 suitably, and by a pair of opposed whole shape lug 42 that it is fastening in place, this is to 42 of lugs and corresponding recess 43 tablings (as Fig. 6 institute clearly shows) on the two relative walls that are formed on raceway groove 17.Each contact component 40 is formed by the copper bar that bends to U-shaped, and its wing bar 40A is bent into and points to its another wing bar 40B.The wing bar 40A of bending provides a bottom surface that supplies contact to use for ring spring 41, thereby makes ring spring 41 ejections contact component 40, and the crooked head 40C of contact component 40 is towards the brilliant idea outside.Two wing bar 40A and 40B are provided in and are subjected to side direction elastic force in the raceway groove parts 39, thereby guarantee between relative two walls with raceway groove 39 electrically contacting of good flatness arranged.So just formed a kind of direct and continuous electric installation with elastic telescopic performance.It should be noted that ring spring 41 itself also conducts electricity.

Under this assembling situation, movably change contact assembly 37 and perisporium 19 upper the be in sustained heights of each fixing conversion contact 20 to 25 at base 12.The crooked head 40C of contact component 40 contacts with conversion contact 20 under the effect of ring spring 41, and contact selectively respectively with remaining five conversions any one in the contacts 21 to 25, so that make its conducting when electrical switch 10 is in connections (ON) position (the obvious demonstration of institute in as Fig. 6).

Forward to again to conversion position device 38(and referring to Fig. 7) to narrate, this conversion position device comprises boss 44 between two opposite ends in the lower channel 18 of a pair of dressing slidably on converting member body 15, diametrically contraposition.Each boss 44 have towards round nose 44A and extended backwards column cap 44B.Two boss 44 back-to-back settings, and flexibly be biased to the state that leaves mutually by a ring spring 45 that is embedded between each column cap 44B.Conversion position device 38 also comprises 12 identical and symmetrical v-depressions 46 that are provided with along the latter half of the inboard of the perisporium 19 of base 12.

Under this assembling situation, the lower channel 18 of converting member 14 is in sustained height with the ring that each groove 46 forms, and boss 44 and these groove 46 tablings.Owing to being withstood on the groove 46, boss 44 setovers, they will be subjected to ring spring 45 active force and with symmetrically vis-a-vis any a pair of groove 46 tablings (this packing interaction be all the time fully symmetry) thereby, according to reliable and stable, circumference angle and limit the position of converting member 14 clocklike.Very obvious, 12 grooves 46 provide the dislocation at six stable equal circumference angles for electrical switch 10.When converting member 14 was changed the next position by a dislocation, boss 44 just directly embedded among the adjacent groove 46.

Fully show like that as Fig. 6 institute, the groove 46 of five integral body of conversion contact 20 extend throughs of fixing, and make lug 28 on two opposite ends of this conversion contact 20 in place respectively on the first and the 5th groove 46 for example.Remaining each fixing conversion contact 21 to 25 is located on the corresponding grooves 46.And between an end of conversion contact 20 and conversion contact 21 or the opposite end of conversion contact 20 and change that groove 46 between the contact 25, it top then do not have any conversion contact." disconnection " of these two grooves, 46 regulation change over switches 10 be the position (OFF).

The tubular leg 36 that has a pair of symmetrically arranged integral body diametrically on the base 12 of electrical switch skeleton passes this tubular leg 36 with screw rod and electrical switch can be fixed.Top cover 13 has the circumferential profile that the profile phase with the edge 29 of base 12 adapts to, and by means of three rivets 47 that pass the reinforcement at this top cover 13 and this edge 29, top cover 13 is fixed on the base 12.Each otch 28,32 and 34 the recessed degree of depth all just in time are enough to hold the thickness at those positions on the fixing conversion contact 20 of thereon each of installing, thereby make and just can be held in place changing contact 20 to 25 when top cover 13 and base 12 are fastened.Rivet 47 also passes flange 27, ora terminalis 30 and the conversion contact 21(ora terminalis 31 of conversion contact 20) and play fixation.

Electrical switch 10 is that a kind of hilted broadsword six is thrown the selector switch of formula.

Movable conversion contact assembly 37 and conversion position device 38 have very similar total structure, promptly possess a pair of relative two ends that are subjected to the elastic force biasing and separate.Can see, owing to utilized to have basically the single component of total structure of the same race and can reach conduction and these two kinds of functions of conversion location simultaneously, this by make this assembly by an end to optionally conducting and touch part and realize of the other end by conversion is set among each detent.

Below only be that present invention is described with way of example, various modifications of the foregoing description and distortion all can be realized by those skilled in the art, but they all can not exceed the scope of the invention of the application's claims regulation.

Claims

1, a kind of electrical switch is characterized in that comprising:

Skeleton has an axis and around the inner peripheral of this axis on this skeleton;

A plurality of fixing conversion contacts are provided with round this periphery basically;

Converting member is supported in this skeleton so that around described axis rotation; With

Part is touched in movable conversion, be loaded on the described converting member so that rotate in company with it, thereby make one of described fixing conversion contact and other conversion contact conductings selectively, described movable conversion is touched part and is had two conduction ends, each conducts electricity the end by elastic biasing radially outwardly, contacts thereby form conduction with corresponding described fixing conversion contact.

2, electrical switch as claimed in claim 1 is characterized in that, two conduction ends that part is touched in described movable conversion radially relatively are provided with basically with respect to described axis.

3, electrical switch as claimed in claim 2 is characterized in that, it is straight shape basically that part is touched in described movable conversion.

4, electrical switch as claimed in claim 1, it is characterized in that, described movable conversion is touched part and is made of two end pieces and an intermediate member of forming corresponding described end, this intermediate member conducts electricity, and its two ends and corresponding described end piece vis-a-vis is conducted.

5, electrical switch as claimed in claim 4, it is characterized in that, described intermediate member is rigidity basically, and described movable conversion is touched part and also comprised one between described two end piece and to its two relative spring parts that jointly work in the end.

6, electrical switch as claimed in claim 4 is characterized in that, described intermediate member forms and passes the radially extension raceway groove of this converting member, and has two ends, thereby holds corresponding described end piece slidably.

7, electrical switch as claimed in claim 6 is characterized in that, each described end piece is formed by bonding jumper, and this bonding jumper is bent so that the respective end to this raceway groove plays elastic reaction jointly between the opposing sidewalls of described raceway groove.

8,, it is characterized in that also comprising the conversion position device of a plurality of dislocations that are used to limit described converting member as each described electrical switch among the claim 1-7.

9, electrical switch as claimed in claim 8, it is characterized in that, described conversion position device can move with described converting member, and have one and lean the end of elastic biasing that the inner peripheral of skeleton is stated in the residence, be formed with a series of groove so that stably set the described end of described conversion position device along described periphery, thereby limit described each dislocation.

10, electrical switch as claimed in claim 9, it is characterized in that, described conversion position device comprises two end piece of diametrically contraposition basically, each end piece forms a corresponding described end, and this conversion position device also comprises a spring part that between these two end piece its opposite end is worked.

11, electrical switch as claimed in claim 10 is characterized in that, described movable conversion is touched part and had one and radially extend raceway groove, and the opposite end of this raceway groove bears corresponding described end piece, and holds described spring part in this raceway groove.

12, electrical switch as claimed in claim 11, it is characterized in that, described movable conversion is touched part and is formed by two that the end piece of respective end of part is touched in this movable conversion and the conducting channel that radially extends is constituted, this raceway groove passes this converting member, and the opposed end of this raceway groove bears this movable conversion slidably and touches the respective end portions parts of part and be conducted with them, one in two raceway grooves is located on another, and two raceway grooves are in same plane basically.

13, electrical switch as claimed in claim 1 is characterized in that, described skeleton is made of first and second portion, and this first is jar shape and forms inner peripheral, and described second portion is provided with near described first.

14, electrical switch as claimed in claim 13, it is characterized in that, at least one described fixing conversion contact is formed by inverted U-shaped bonding jumper, this inverted U-shaped bonding jumper has inner wing bar and outer wing bar, and be erected on the edge of this first skeleton part, this inner wing bar is located on this inner peripheral, and this outer wing bar passes the passage that is formed on this edge so that make this inverted U-shaped bonding jumper location.

15, electrical switch as claimed in claim 14 is characterized in that, the inboard of described passage has the groove of common extension.

16, electrical switch as claimed in claim 13 is characterized in that, at least one described fixing conversion contact is by assigning to keep the location near this second skeleton portion of this first skeleton part.

17, electrical switch as claimed in claim 13 is characterized in that, described first skeleton portion is divided into base, and described second skeleton portion is divided into top cover, and described top cover has a center port, and the joystick of described converting member promptly stretches out from this aperture.

18, electrical switch as claimed in claim 1 is characterized in that it is that a hilted broadsword is thrown selector switch more.