CN2340086Y - Improved combined structure switch - Google Patents

Abstract

The utility model relates to an improved combined structure switch, mainly composed of a base, two fixing sheets, a first conductive sheet, a second conductive sheet, an action conductive sheet, a pressing part and an upper seat. The first, the second conductive sheets and the fixed sheet are fixed on the base by screws to form the two joints of a switch, and the action conductive sheet is arranged on the second conductive sheet. With the pressing operation of the pressing part, a movable top supporting rod inserted inside the pressing part do reciprocating action relative to a lever on the action conductive sheet, so that the first and the second conductive sheets form the close or the open of the switch, while the action stroke of the open and close of the switch is reduced and the switching speed is increased, and thus the defect that common used switches are easy to produce spark is overcome.

Description

Improved combining structure switch

The utility model is the structural design of relevant a kind of switch, refers to the open and close switching mode with lever action especially, to overcome the improved combining structure switch that switch commonly used is easy to generate the spark shortcoming.

General switch 10 designs are the modes that adopt seesaw, as shown in Figure 1, include:

Press section 11 is to be incorporated on the switch case 14 with rivet 111, and can do reciprocal push action as rotating shaft with rivet 111, and rivet 111 is also being fixed cylinder 112 simultaneously, is provided with a spring (not marking among the figure) and a boss post 113 in the cylinder 112.

First conducting strip 12 and second conducting strip 13 are to be located at switch case 14 both sides, as power turn-on or connect the contact that changes.

The 3rd conducting strip 15 is that the central authorities that are located at first and second conducting strip 12,13 are skewed, and the lower edge at two ends respectively convexes with contact salient point 151.

During action, for example, the initial state of the 3rd conducting strip 15 is that the contact salient point 151 of the 3rd conducting strip 15 contacts with first conducting strip 12, this press section 11 is stressed and go into to a side pressure, promptly driving boss post 113 moves on the 3rd conducting strip 15, this boss post 113 moves on the 3rd conducting strip conducting strip 15 that tilts, this boss post 113 in the 3rd conducting strip 15 that tilts move and spring in the cylinder 112 that gradually reduces and in contract, this moment, the 3rd conducting strip 15 also made the skewed parallel shape that moves into gradually with moving of boss post 113, up to the mid point that moved the 3rd conducting strip 15, because of 15 of boss post 112 and the 3rd conducting strips are that low friction contacts, spring in the cylinder 112 promptly outwards ejects, make boss post 113 be pressed on the opposite side of the 3rd conducting strip 15, and the contact salient point 151 of this switch being changed into the 3rd conducting strip 15 contacts with second conducting strip 13, and finishes the change action of switch.This kind switch 10 is similar to seesaw because of the manner of execution of the 3rd conducting strip 15, so name with this.

The switching stroke of this kind switch 10, must make boss post 113 move the mid point of the 3rd conducting strip 15, its actuating length is long, often cause boss post 113 switching the beginning position between mid point, the 3rd conducting strip 15 still with first or two conducting strips 12,13 form the state that does not switch fully, and the spark that causes easily shocking by electricity produces, especially be applied in as in the work such as electric screw driver or electric drill, often the rotating that needs to do moment is switched, easily the user is produced scaring, and easily the device of these switch 10 controls is damaged, so the utmost point is necessary to do further improvement.

This creator concentrates on studies and test repeatedly because the shortcoming of switching manipulation stroke commonly used is satisfied the scientific principle knowledge of utilization itself and practical experience for many years, develops a kind of construction of switch in driving lever spinning movement mode finally, to overcome the shortcoming of switch commonly used.

The purpose of this utility model provides a kind of improved combining structure switch that utilizes lever action as the open and close switching mode, and it can effectively overcome switch commonly used and easily produce the shortcoming of spark, and can dwindle volume of switch.

The utility model is mainly by base, two stators, first conducting strip, second conducting strip, the action conducting strip, the press section and the seat of honour form, this is first years old, two conducting strips are to be locked on the base by screw and stator, form two contacts of switch, the action conducting strip is to be located on second conducting strip, push action by the press section, make the sincere bar in movable top that is embedded in the press section on the action conducting strip, do the reciprocating action of lever, and make first, two conducting strips form closing or opening of switch, and reduce switch in opening, actuating length that closes and enhancement switch speed are to overcome the shortcoming that switch commonly used is easy to generate spark.

Another characteristics of the present utility model are can further dwindle the volume of switch, and range of application is widely arranged.For ease of understanding the purpose of this utility model, feature and effect, now in conjunction with specific embodiments, and conjunction with figs., the utility model is described in detail:

Fig. 1 is the end view of switch commonly used;

Fig. 2 is an exploded perspective view of the present utility model;

Fig. 3 is the partial enlarged drawing of the utility model conducting strip;

Fig. 4 is press section and the enlargement decomposition that pushes up sincere bar;

Fig. 5 is the action schematic diagram of Fig. 4;

Fig. 6 is a switch motion schematic diagram of the present utility model.

The figure number explanation:

Switch commonly used:

10 ... switch 11 ... the press section

111 ... rivet 113 ... the boss post

112 ... cylinder 13 ... second conducting strip

12 ... first conducting strip 15 ... the 3rd conducting strip

14 ... switch case

151 ... contact salient point

The utility model:

21 ... base 20 ... switch

212 ... tenon 211 ... arc sections

22 ... stator 213 ... storage tank

23 ... first conducting strip 221 ... perforation

232 ... contact site 231 ... the locking part

234 ... projection 233 ... screw

241 ... locking part 24 ... second conducting strip

243 ... screw 242 ... contact site

25 ... action conducting strip 244 ... bracing frame

252 ... triangular part 251 ... projection

254 ... stop sheet 253 ... the circular arc shell fragment

261 ... circle portion 26 ... the press section

263 ... forced groove 262 ... recess

27 ... footstock 264 ... push up sincere bar

As shown in Figure 2, exploded perspective view of the present utility model; Switch 20 structures of the present utility model include:

Base 21, its upper end is provided with an arc sections 211, wherein is provided with a tenon 212, and the bottom then is separated into two storage tanks 213.

Two stators 22 are to place on the storage tank 213, and its central authorities are provided with helicoid perforation 221.

First conducting strip 23 includes locking part 231 and contact site 232, and this locking part 231 is to be locked in stator 22 by spiral shell 233, and contact site 232 is embedded with projection 234, in order to the contact as power supply.

Second conducting strip 24 includes locking part 241 and contact site 242 equally, and this locking part 241 is that an end of contact site 242 forms bracing frame 244 obliquely by on the screw 243 locking stators 22, in order to combination action conducting strip sheet 25.

Action conducting strip 25, the one end is embedded with projection 521, and in the appropriate location, be recessed into triangular part 252, form normal-closed end in order to be assembled in aforementioned bracing frame 244 places, and as the fulcrum that moves, and can on second conducting strip 24, do spinning movement (as shown in Figure 3), and action conducting strip 25 upwards forms a shell fragment 253 with the circular arc bending again, and be bent in the end of circular arc shell fragment 253 and stop sheet 254, the terminal point foundation that moves as the sincere bar in top.

Press section 26, a circle portion 261 has been formed in one, the both sides of this circle portion 261 respectively are provided with a recess 262, be tenon 212 places of being fixed in aforementioned base, make press section 26 make reciprocal push action stroke in order to form the center of circle of rotating, and this press section 26 is provided with a forced groove 263, it is the rectangle of hollow in order to the sincere bar in assembling top 264, the upper end is a circular arc, the lower end is leg-of-mutton tip, (as shown in Figure 5), the width of this forced groove 263 is slightly larger than the sincere bar 264 in top and makes the sincere bar 264 in top can make by a small margin move left and right (as shown in Figure 6) in forced groove 263.

Footstock 27 is and the corresponding shape of base 21 in aforementioned components is coated on, and to form a complete switch 20.

Connection relationship after aforementioned each member assembling can be found out by Fig. 6 is clear.When the user presses switching with press section 26, it is sincere and along with the direction of pushing moves on action conducting strip 25 that this pushes up resistance that sincere bar 264 is subjected to forced groove 263, press down deflation and will move conducting strip 25 formed circular arc shell fragments 253 gradually, when the sincere bar 264 in top moves to its mid point that is the tip on action conducting strip 25, this circular arc shell fragment 253 is promptly made release movement, and will move the projection 234 of 251 times bullet to the first conducting strips 23 of projection of conducting strip 25, and first conducting strip 23 is contacted with second conducting strip 24, finish the change action (as shown in Figure 7) of switch 20, simultaneously, this pushes up sincere bar 264 and is subjected to this elastic force and outwards produces to be moved to stopping sheet 254 places, and finishes the actuating length of switch 20.

Same, when switch 20 is switched back original position, be the counteragent of above-mentioned action, finish switching promptly as shown in Figure 6.

So, the sincere bar 264 in the removable top of the utility model is when moving to the mid point of the sincere bar 264 in top, promptly the elastic force by circular arc shell fragment 253 will push up the outside bullet of sincere bar 264 bullets to stopping sheet 254, and can shorten the actuating length of press section 26, and push up the lever application of force effect of 264 pairs of circular arc shell fragments 253 of sincere bar, reach the elastic force that circular arc shell fragment 253 is produced, the projection 251 that makes action conducting strip 25 promptly is contacted with the projection 234 of first conducting strip 23, and the generation probability of arc control overcomes the shortcoming of using switch 10 always.

In sum, improved combining structure switch provided by the utility model really has practical effect, has the little characteristics of volume.

The diagram of above said content and illustrated embodiment only is a preferable enforcement example of the present utility model, knows the personage of this skill generally, and various variations and modification according to spirit of the present utility model makes must be included in the claim of this case.

Claims (4)

1, a kind of improved combining structure switch is characterized in that switching with the manner of execution of lever, with stroke under reach and enhancement switch speed, includes:

Base, its upper end is provided with an arc sections, wherein is provided with a tenon, and the bottom then is separated into two storage tanks;

Stator is to place on the storage tank, and its central authorities are provided with the perforation of screw thread;

First conducting strip includes locking part and contact site, and this locking part is to be locked on the stator by screw, and contact site is embedded with projection, in order to the contact as power supply;

Second conducting strip includes locking part and contact site, and this locking part is to be locked on the stator by screw, and an end of contact site forms bracing frame obliquely, in order to combination action conducting strip;

The press section is the one-body molded circle portion that has, and the both sides of this circle portion respectively are provided with a recess, are the tenon places of being fixed in base, makes the press section make reciprocal push action stroke in order to the center of circle of form rotating, and this press section is provided with forced groove, in order to the sincere bar in assembling top;

Footstock is with base corresponding shape to be arranged, and in aforementioned components is coated on, and forms a complete switch.

2, combining structure switch as claimed in claim 1, the width that it is characterized in that the forced groove of described press section are slightly larger than the sincere bar in top, make the sincere bar in top can make by a small margin move left and right in forced groove.

3, combining structure switch as claimed in claim 1 is characterized in that the end of the shell fragment of described action conducting strip forms the termination sheet, as pushing up the terminal point foundation that sincere bar moves.

4, combining structure switch as claimed in claim 1 is characterized in that the terminal tip triangular in shape of the sincere bar in described top.

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