CN2256160Y

CN2256160Y - Switch for power source

Info

Publication number: CN2256160Y
Application number: CN 95235418
Authority: CN
Inventors: 吴洪业
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-12-27
Filing date: 1995-12-27
Publication date: 1997-06-11
Anticipated expiration: 2005-12-27

Abstract

The utility model relates to a switch for a power source, comprising an outer casing and a spring seat which are arranged in the outer casing. The outer casing is internally provided with a jacket tube, a guide sleeve of which the inner wall is provided with an axial guide strip is installed in the jacket tube, and the lower end of the jacket tube is connected with the spring seat through screw nails. The upper end surface of the spring seat is provided with two separated lower conducting strips which is connected with the screw nails which is arranged in the same side, and the spring seat is provided with a lower tooth shaft which is matched with the spring and is provided with upper conducting strips which are corresponding to the lower conducting strips. Saw teeth are distributed along the circumference on one end surface on which the upper tooth shaft and the lower tooth shaft are matched, and the guide strip is embedded in a groove of the upper tooth shaft. The utility model has the advantages of low cost, high safety and beautiful appearance.

Description

A kind of mains switch

The utility model is a kind of mains switch.

The backguy of existing pulling switch, may get an electric shock and will connect postscript under the situation of not cutting off the power supply, thereby fail safe is relatively poor owing to friction causes broken string through regular meeting.

The purpose of this utility model is: design a kind of safe in utilization, pulling switch easily.

The utility model is borrowed the location structure of having seen in the existing pressing ball pen, it comprises the spring and the spring base thereof of shell, enclosure, one sleeve pipe is arranged in the shell, and inwall has axially directed fairlead and is installed on wherein, and the lower end of sleeve pipe connects spring base by screw; There is the following conducting strip of two separation the upper surface of spring base, they link to each other with the screw of homonymy respectively, the lower tooth axle that cooperates and have with spring with the corresponding last conducting strip of following conducting strip is installed on the spring base, the upper end of lower tooth axle and last tooth axle join, its circumferential distribution of end face upper edge that upper and lower tooth axle matches has sawtooth, the sawtooth angle difference of upper and lower tooth axle, and the axial notch on its side is divided into one group in twos with sawtooth, fairlead is loaded on, goes up outside the lower tooth axle, and gib block is embedded in the groove of tooth axle.When the utility model was in off-state, gib block stretched in the groove of lower tooth axle side, and the lower tooth axle is positioned at upper limit position, and prerotation vane also is in released state up and down.Press the tooth axle, promoting the lower tooth axle moves down, simultaneously, angle of lower tooth axle rotation under the effect of the sawtooth of its end face, make gib block between the groove posterior end of leaving the lower tooth axle enters on the lower tooth axle on the same group two sawtooth, then the lower tooth axle is in the lower position, and two following conducting strips that last conducting strip will separate join, and make switch be in closure state.Owing to when using the utility model, can not use backguy, thereby avoid loaded down with trivial details wiring work.And the version that the utility model adopted also has the characteristics of long service life, and this point is proved by prior art.For ease of installing, the lower tooth axle in the utility model can be designed to a step axle, and spring is placed in its underpart, and goes up the end that conducting strip is connected to its step.And spring base wherein can be following form: it is made up of its sleeve portion and the both wings that are positioned at the sleeve portion both sides, have screw hole on its both wings and conduct electricity film perforation down, there are two notches of inclination the upper surface of sleeve portion, two following conducting strips pass conduction film perforation under the both sides respectively, one end is joined by the below of both wings and the screw of homonymy, and the other end is positioned at the notch of sleeve portion; There are two leftover bits and piecess to lay respectively in two notches of spring base on the last conducting strip, thereby two leftover bits and piecess of conducting strip are moved in groove, guarantee the contact of upper and lower conducting strip.Between the step surface of last conducting strip and lower tooth axle, a packing ring is arranged preferably and be convenient to slip between lower tooth axle and the following conducting strip, and play wear-resisting effect.In addition, last tooth axle, lower tooth axle and spring base can have the hole along its central shaft, and a backguy is therefrom passed, and then the utility model promptly can be used as pulling switch.

Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.

Fig. 1 is the structure chart of the utility model embodiment;

Fig. 2-Fig. 5 is the process chart of present embodiment;

Wherein, the last tooth axle of 1-, 2-sleeve pipe, 3-fairlead, 4-gib block, 5-lower tooth axle, 6-packing ring, the last conducting strip of 7-, 8-shell, conducting strip under the 9-, 10-screw, 11-spring, 12-spring base, 13-backguy.

As shown in Figure 1, present embodiment is made up of the fairlead 4 in shell 8, the shell 8, last tooth axle 1, lower tooth axle 5, spring base 12 and spring 11 thereof and backguy 13.Wherein, a sleeve pipe 2 is arranged at the top of shell 8 inwalls, and inwall has axially directed 3 fairlead and is installed in the sleeve pipe 2, and sleeve pipe 2 lower ends are connected by two screws 10 with spring base 12.Spring base 12 is by the sleeve portion that has stepped hole and be positioned at its both sides, have and conduct electricity the both wings of film perforation and form.Two following conducting strip 9 one ends link to each other with the screw 10 of difference homonymy, and the other end lays respectively in two notches of sleeve portion upper surface.Spring 11 is installed in the sleeve portion of spring base 12, and the bottom of lower tooth axle 5 is positioned among the spring 11.Lower tooth axle 5 is a step axle, and the end face of its step cooperates with the upper end of spring 11, and also is equipped with on the step surface and following conducting strip 9 last conducting strips 7 corresponding, that have two leftover bits and piecess, also has a packing ring 6 between the step surface of last conducting strip 7 and lower tooth axle 5.Last tooth axle 1 is positioned at the top of lower tooth axle 5, and it also is a step axle, and its upper end passes shell 8.The end face that upper and lower tooth axle cooperates respectively has six sawtooth, and their sawtooth angle difference.Also have three axial grooves on its side, groove is divided into one group in twos with sawtooth.The inwall that is placed in the outer fairlead 4 of upper and lower tooth axle has three gib blocks 3 corresponding with upper and lower tooth axle, and they are embedded in the groove of tooth axle 1.In addition, last tooth axle 1, lower tooth axle 5 all have the hole along its central shaft, and backguy 13 is from top to bottom passed.

As shown in Figure 2, when present embodiment was in off-position, the gib block 3 on the fairlead 4 was arranged in the groove of upper and lower tooth axle side, and lower tooth axle 5 is in upper limit position.Press tooth axle 1 along with the backguy pulling or by the top, the lower tooth axle moves down, while is 5 rotations of lower tooth axle under the effect of both sawtooth, make gib block 3 leave the groove (see figure 3) of lower tooth axle 5 sides, and further go between two teeth of lower tooth axle 5, at this moment, the lower tooth axle is in the lower position, last conducting strip 7 joins two following conducting strips 9, and the utility model is in the conducting state (see figure 4).When pressing tooth axle 1 once more, lower tooth axle 5 moves down the back rotation once more, and gib block 3 is entered in the groove of lower tooth axle 5, and circuit recovers the off-position (see figure 5) again.

The utlity model has cost low, use safety, characteristics that profile is attractive in appearance.

Claims

1, a kind of mains switch, it is characterized in that: it comprises shell (8), inner spring (11) and the spring base (12) thereof of shell (8), one sleeve pipe (2) is arranged in the shell (8), the fairlead (4) that inwall has axially directed (3) is installed on wherein, and the lower end of sleeve pipe (2) connects spring base (12) by screw (10); There is the following conducting strip (9) of two separation the upper surface of spring base (12), they link to each other with the screw (10) of homonymy respectively, be equipped with on the spring base (12) with spring (11) and cooperate, and have a lower tooth axle (5) of the last conducting strip (7) corresponding with following conducting strip (9), the upper end of lower tooth axle (5) and last tooth axle (1) join, on, its circumferential distribution of end face upper edge that the lower tooth axle matches has sawtooth, on, the sawtooth angle difference of lower tooth axle, and the axial notch on its side is divided into one group in twos with sawtooth, fairlead (4) is loaded on, outside the last lower tooth axle, and gib block (3) is embedded in the groove of tooth axle (1).

2, mains switch according to claim 1 is characterized in that: said lower tooth axle (5) is a step axle, and spring (12) is placed in its underpart, and goes up the end that conducting strip (8) is connected to its step.

3, mains switch according to claim 1 and 2, it is characterized in that: spring base (12) is made up of its sleeve portion and the both wings that are positioned at the sleeve portion both sides, have screw hole on its both wings and conduct electricity film perforation down, there are two notches of inclination the upper surface of sleeve portion, two following conducting strips (9) pass conduction film perforation under the both sides respectively, one end is joined by the below of both wings and the screw of homonymy (10), and the other end is positioned at the notch of sleeve portion; There are two leftover bits and piecess to lay respectively in two notches of spring base (12) on the last conducting strip (7).

4, mains switch according to claim 3 is characterized in that: between the step surface of last conducting strip (7) and lower tooth axle (5) packing ring (6) is arranged.

5, mains switch according to claim 4 is characterized in that: upward tooth axle (1), lower tooth axle (5) and spring base (12) have the hole along its central shaft, have a backguy (13) therefrom to pass.