CN2638217Y

CN2638217Y - Switch device

Info

Publication number: CN2638217Y
Application number: CN 03277381
Authority: CN
Inventors: 陆亚洲; 王奕; 许陈明
Original assignee: Zhangjiagang Huajie Electronics Co Ltd
Current assignee: Zhangjiagang Huajie Electronics Co Ltd
Priority date: 2003-08-04
Filing date: 2003-08-04
Publication date: 2004-09-01
Anticipated expiration: 2013-08-04

Abstract

A switch device comprises a shell and a fixed contact terminal and a movable contact terminal which are arranged in the shell; two convex parts are arranged on the movable contact terminal and the coordination grooves are respectively arranged on the convex parts; a movable wafer and a plate spring are arranged on the convex parts through a transmitting piece; a strip-shaped groove is arranged in the middle of the movable wafer; one end of the transmitting piece is arranged in the coordination groove and the other end of the transmitting piece is arranged in a posterior groove opening of the movable wafer; one end of the plate spring is arranged in the coordination groove and the other end of the plate spring is arranged in an anterior groove opening of the movable wafer; a spacing piece is arranged in the middle of the strip-shaped groove of the movable wafer; a spacing hook is arranged at the end part of the convex part; the actuating inclined planes are respectively arranged at two sides of the rear part of the movable wafer; an inclined plane is arranged at the lower side end of a sliding part corresponding to the actuating inclined plane. The utility model has the advantages that the movable wafer has simple installing structure, the transmitting piece and the plate spring can be made conveniently and the phenomenon of the loosening and the abscission uneasily happens to the switch device when in use.

Description

Switching device

The utility model relates to a kind of switching device that is used for the appliances power source break-make

Traditional switching device structure mainly comprises: plastic casing, be arranged on the static touching terminal of shell inner bottom part, the top of static touching terminal is provided with fixed contact, be arranged on shell inner bottom part and the movable contact terminal adjacent with static touching terminal, the movable contact terminal head that is positioned at enclosure has the two sheet protrusions that separate, offer mating groove respectively on the inboard relative position of two protrusions, movable contact spring is movably arranged on two protrusions of movable contact terminal by driver blade and flat spring, one end of movable contact spring is set with and the corresponding moving contact of fixed contact, the middle part of movable contact spring offers bar-shaped trough, driver blade is made by metal sheet, be U-shaped shape roughly, the one end is embedded in the mating groove of movable contact terminal one protrusion, the other end is embedded at movable contact spring anterior near in the bar-shaped trough notch of moving contact, flat spring is made by the laminar metallic plate of rubber-like, be V-arrangement shape roughly, the one end is embedded in the mating groove of another protrusion of movable contact terminal, the other end then is embedded in the bar-shaped trough notch at movable contact spring rear portion, be provided with near the flat spring V-arrangement summit and activate projection, be provided with the sliding part of being with V-shaped groove with activating protruding corresponding push rod end, activate the V-shaped groove that projection is positioned at sliding part.In above-mentioned switching device, movable contact spring is formed rubber-like movable contact assembly with flat spring, driver blade, during use, pressing push rod moves sliding part, the V-shaped groove of sliding part acts on the actuating projection of flat spring V-arrangement top end back and forth, movable contact spring is moved up and down on the movable contact terminal with flat spring, driver blade,, realize the break-make of switch by contacting or disconnection of moving contact and fixed contact.Mainly there are following shortcomings in this switching device: the flat spring structure is comparatively complicated, makes trouble, and machining accuracy is difficult to guarantee; In addition, movable contact spring is installed also comparatively simple, and obscission easily takes place long-term the use, thereby influences the normal use of switching device.

The purpose of this utility model is to provide a kind of flat spring structure comparatively simple, easy to make, and non-damageable switching device.

Further purpose of the present utility model is to provide a kind of movable contact spring to be fixedly mounted in driver blade, flat spring, is difficult for taking place the switching device of obscission during use.

For realizing the purpose of this utility model, a kind of switching device, comprise housing, be arranged on the static touching terminal of housing inside bottom, be arranged on the fixed contact of static touching terminal top ends, be arranged on housing inside bottom and the movable contact terminal adjacent with static touching terminal, the movable contact terminal upper portion that is positioned at enclosure interior is provided with the two sheet protrusions that separate, offer mating groove on two protrusions respectively, movable contact spring is movably arranged on the protrusion of movable contact terminal upper portion by driver blade and flat spring, one end of movable contact spring is provided with and the corresponding moving contact of fixed contact, the middle part of movable contact spring offers bar-shaped trough, one end of driver blade is embedded in mating groove, the other end is arranged in the rear portion notch of movable contact spring, one end of flat spring is embedded in mating groove, the other end then is arranged on movable contact spring near in the anterior notch of moving contact, a described mating groove is opened in the bottom side of protrusion, another mating groove is opened in the upside of protrusion, the bar-shaped trough middle part of described movable contact spring is provided with banking stop, be provided with positive stop hook with the corresponding protrusion of banking stop end, both sides, movable contact spring rear portion are respectively arranged with the actuating inclined-plane, are provided with the inclined-plane with actuating corresponding sliding part lower side, inclined-plane.

For realizing further purpose of the present utility model, a kind of switching device also comprises: the anterior notch place of described movable contact spring is provided with barb, offer on the flat spring and the corresponding bayonet socket of barb, the both sides, rear end of described driver blade are provided with draw-in groove, and draw-in groove is embedded in the notch of the rear portion of movable contact spring.

The utility model has the advantages that: the movable contact spring mounting structure is simple, and driver blade and flat spring are easy to make; When using, switching device is difficult for unclamping obscission.

Below in conjunction with accompanying drawing the utility model is described in further detail.

Fig. 1 is the sectional structure front view of the utility model switching device;

Fig. 2 shows the structure vertical view for cuing open of Fig. 1;

Fig. 3 is the movable contact spring and the plan structure figure of driver blade when separated position of switching device;

Fig. 4 is the movable contact spring and the plan structure figure of driver blade when assembled state of switching device;

Fig. 5 is the end view of Fig. 4;

Fig. 6 is that switching device movable contact spring and driver blade, flat spring are arranged on the mounting structure figure on the movable contact terminal;

Structural representation when Fig. 7 is switching device movable contact spring and static touching terminal disconnection;

Structural representation when Fig. 8 is switching device movable contact spring and static touching terminal connection.

1, housing, 2, static touching terminal, 21, fixed contact, 3, the movable contact terminal, 31, protrusion, 32, protrusion, 33, mating groove, 34, mating groove, 35, positive stop hook, 4, movable contact spring, 41, moving contact, 42, bar-shaped trough, 43, notch, 44, notch, 45, banking stop, 46, activate the inclined-plane, 47, barb, 5, driver blade, 51, draw-in groove, 6, flat spring, 61, bayonet socket, 7, sliding part, 71, the inclined-plane

As Fig. 1,2,3,4, shown in 5 and 6, a kind of switching device, comprise housing 1, be arranged on the static touching terminal 2 of housing 1 inside bottom, be arranged on the fixed contact 21 of static touching terminal 2 top ends, be arranged on housing 1 inside bottom and the movable contact terminal 3 adjacent with static touching terminal 2, movable contact terminal 3 tops that are positioned at housing 1 inside are provided with the two sheet protrusions 31 that separate, 32, the bottom side of protrusion 31 offers mating groove 33, the upside of protrusion 32 offers mating groove 34, movable contact spring 4 is movably arranged on the protrusion 31 on movable contact terminal 3 tops by driver blade 5 and flat spring 6, on 32, one end of movable contact spring 4 is provided with and fixed contact 21 corresponding moving contacts 41, the middle part of movable contact spring 4 offers bar-shaped trough 42, one end of driver blade 5 is embedded in mating groove 33, the other end is arranged in the notch 43 at movable contact spring 4 rear portions, one end of flat spring 6 is embedded in mating groove 34, it is anterior near in the notch 44 of moving contact 41 that the other end then is arranged on movable contact spring 4, bar-shaped trough 42 middle parts of movable contact spring 4 are provided with banking stop 45, be provided with positive stop hook 35 with banking stop 45 corresponding protrusions 31 ends, both sides, movable contact spring 4 rear portion are respectively arranged with and activate inclined-plane 46, are provided with inclined-plane 71 with actuating 46 corresponding sliding parts, 7 lower sides, inclined-plane; Notch 44 places of aforesaid movable contact spring 4 front portions are provided with barb 47, offer on the flat spring 6 and barb 47 corresponding bayonet sockets 61, and place, both sides, aforesaid driver blade 5 rear end is provided with draw-in groove 51, and draw-in groove 51 is embedded in the notch 43 at movable contact spring 4 rear portions.

As Fig. 7, shown in 8, when switching device is in off-state, movable contact spring 4 is positioned at the top of static touching terminal 2 and movable contact terminal 3, movable contact spring 4 matches with positive stop hook 35 on the movable contact terminal 3 by the banking stop 45 at its bar-shaped trough 42 middle parts, can prevent that movable contact spring 4 from unclamping on movable contact terminal 3, at this moment, promote sliding part 7, its inclined-plane 71 acts on the actuating inclined-plane 46 of both sides, movable contact spring 4 rear portion, the banking stop 45 of movable contact spring 4 breaks away from positive stop hook 35, because of movable contact spring 4 is installed on the movable contact terminal 3 by driver blade 5 and flat spring 6 elasticity, thereby movable contact spring 4 overcomes the active force of flat spring 6, and an end that drives movable contact spring 4 moves downward, and moving contact 41 is contacted with fixed contact 21 rapidly, thereby switching device is just connected; Along with the inclined-plane 71 of sliding part 7 moves forward, the rearward end of movable contact spring 4 also moves to the bottom of movable contact terminal 3, up to movable contact terminal 4 whole during all near the bottom of housing 1, and sliding part 7 inclined-planes 71 are remained with 46 on the actuating inclined-plane of movable contact spring 4 contact, at last, the sliding part 7 of switching device is lockable, and keeps conducting state.

Otherwise, when switching device is in conducting state, promote sliding part 7, its inclined-plane 71 unclamps with the actuating inclined-plane 46 of movable contact spring 4, at this moment, movable contact moving 4 resets rapidly under the rebound effect of driver blade 5 and flat spring 6, thereby movable contact spring 4 and static touching terminal 2 are broken away from, contact with positive stop hook 35 on the movable contact terminal 3 once more up to the banking stop 45 at movable contact spring 4 bar-shaped troughs 42 middle parts, thereby make switch return to off-state by conducting state.

Claims

1, a kind of switching device, comprise housing [1], be arranged on the static touching terminal [2] of housing [1] inside bottom, be arranged on the fixed contact [21] of static touching terminal [2] top ends, be arranged on housing [1] inside bottom and the movable contact terminal [3] adjacent with static touching terminal [2], be positioned at inner movable contact terminal [3] top of housing [1] and be provided with the two sheet protrusions [31 that separate, 32], two protrusions [31,32] offer mating groove [33 on respectively, 34], movable contact spring [4] is movably arranged on the protrusion [31 on movable contact terminal [3] top by driver blade [5] and flat spring [6], 32] on, one end of movable contact spring [4] is provided with and the corresponding moving contact of fixed contact [21] [41], the middle part of movable contact spring [4] offers bar-shaped trough [42], one end of driver blade [5] is embedded in mating groove [33], the other end is arranged in the rear portion notch [43] of movable contact spring [4], one end of flat spring [6] is embedded in mating groove [34], the other end then is arranged on movable contact spring [4] near in the anterior notch [44] of moving contact [41], it is characterized in that: a described mating groove [33] is opened in the bottom side of protrusion [31], another mating groove [34] is opened in the upside of protrusion [32], bar-shaped trough [42] middle part of described movable contact spring [4] is provided with banking stop [45], be provided with positive stop hook [35] with the corresponding protrusion of banking stop [45] [31] end, movable contact spring [4] both sides, rear portion are respectively arranged with and activate inclined-plane [46], are provided with inclined-plane [71] with the actuating corresponding sliding part in inclined-plane [46] [7] lower side.

2, a kind of switching device according to claim 1, it is characterized in that: the anterior notch [44] of described movable contact spring [4] locates to be provided with barb [47], offer on the flat spring [6] and the corresponding bayonet socket of barb [47] [61], the both sides of described driver blade [5] rearward end are respectively arranged with draw-in groove [51], and draw-in groove [51] is embedded in the rear portion notch [43] of movable contact spring [4].