CN205666139U

CN205666139U - Movable contact bridge

Info

Publication number: CN205666139U
Application number: CN201620608617.6U
Authority: CN
Inventors: 范康康
Original assignee: Electrical Equipment Alloy Industrial Co Ltd Of Wenzhou Tie Tong
Current assignee: Electrical Equipment Alloy Industrial Co Ltd Of Wenzhou Tie Tong
Priority date: 2016-06-17
Filing date: 2016-06-17
Publication date: 2016-10-26
Anticipated expiration: 2026-06-17

Abstract

The utility model discloses a movable contact bridge has solved current movable contact bridge when using, and movable contact bridge and stationary contact bridging touch the clearance leakage, the problem that switches on the position circuit that can not be fine, its technical scheme main points are that movable contact bridge goes up the tangent plane that sets up with the laminating of stationary contact bridge, reached movable contact bridge with the stationary contact bridge when closed inseparable effect of contact.

Description

Dynamic tactile bridge

Technical field

This utility model relates to a kind of switch contact, more specifically, it relates to a kind of dynamic tactile bridge.

Background technology

Switch contact is mainly used in catalyst, chopper, temperature controller, intelligent switch etc., is divided into stationary contact bridge and dynamic tactile bridge, Stationary contact bridge is fixed, and the dynamic bridge that touches is connected with coil, is controlled the break-make of position circuit by the dynamic Guan Bi touching bridge and stationary contact bridge, To reach the purpose of switch.

At present, the Chinese patent of Publication No. CN205159117U on market discloses a kind of dynamic tactile bridge, including cuprio Body, being located in the middle part of Copper substrate and the supporting part of projection, be located at the silvering at Copper substrate two ends, the two ends of described Copper substrate set respectively There is an opening and be provided with the anticreep groove on the anticreep edge extended to the center of described opening, described silvering in the edge of peristome Plating is in described anticreep groove.

In above-mentioned patent structure, when stationary contact bridge and dynamic tactile bridge Guan Bi, stationary contact bridge and dynamic touching between bridge are linear contact lay, contact area Little, often due to loose contact causes circuit not turn on, making to touch bridge cannot normally work.

Utility model content

The deficiency existed for prior art, the purpose of this utility model is touched with stationary contact bridge joint when being to provide a kind of Guan Bi The dynamic tactile bridge that area is big.

For achieving the above object, this utility model provides following technical scheme: a kind of moving touches bridge, including Copper substrate, sets Supporting part in the middle part of Copper substrate, described Copper substrate two ends are respectively normally opened end and normal-closed end, the normally opened end of described Copper substrate with Normal-closed end is provided with the tangent plane for fitting with stationary contact bridge.

The tangent plane of normally opened end and normal-closed end is fitted with stationary contact bridge, and dynamic touching contacts for face between bridge with stationary contact bridge, connecing during Guan Bi Contacting surface is long-pending to be increased, and makes to touch during bridge joint circuit passband more reliable, it is ensured that the dynamic normal use touching bridge, Copper substrate is placed on stationary contact bridge Firm.

This utility model is further arranged to: the distance of described supporting part to normal-closed end more than supporting part to normally opened end away from From.

Supporting part is arranged on the position in the middle part of Copper substrate near normally opened end, when Copper substrate normally uses, the center of gravity of Copper substrate Deflection normal-closed end, normal-closed end touches with stationary contact bridge joint；Pressing normally opened end, normally opened end closes with stationary contact bridge, unclamps normally opened end, Copper substrate Automatic turning goes back to the state of normal-closed end and stationary contact bridge Guan Bi.During use, normally opened end can not keep closing with stationary contact bridge for a long time Closing, normally opened end disconnects automatically with stationary contact bridge, it is ensured that safety during use.

This utility model is further arranged to: described supporting part is wholely set with Copper substrate, and described supporting part is as fulcrum The shape at place is circular arc.

The dynamic bridge that touches carries out seesaw motion by supporting part, and supporting part is overturning pivot with the junction of external module.Circular arc The supporting part of shape, when dynamic tactile bridge overturns, reduces with the frictional force of external module, and the dynamic bridge that touches overturns faster, improves dynamic Touch the efficiency of bridge；Meanwhile, the supporting part of circular arc can disperse the dynamic pressure touched when bridge overturns, it is to avoid supporting part concentrated wear Greatly, the dynamic service life touching bridge is increased.

This utility model is further arranged to: for the silvering abutted with stationary contact bridge on described tangent plane.

Silvering is provided only on tangent plane, reduces the area of silvering, reduces manufacturing cost；Tangent plane and stationary contact simultaneously During bridge Guan Bi, silvering with stationary contact bridge Guan Bi closely, gives full play to the effect of silvering, has good conductive effect.

This utility model is further arranged to: be wholely set those widened sections on described normal-closed end, and described those widened sections is provided with Silvering.

Normal-closed end is widened, makes normal-closed end more reliable with the conducting of stationary contact bridge；The gravity simultaneously making normal-closed end increases, After unclamping normally opened end, normal-closed end Guan Bi is rapider.

This utility model is further arranged to: described Copper substrate is provided with groove.

By when pressing tactile bridge, outside press component can be placed in groove, it is to avoid touches on bridge dynamic during pressing operation Skid, it is ensured that the dynamic normal use touching bridge.

This utility model is further arranged to: described Copper substrate surface is provided with reinforcement.

Reinforcement on Copper substrate, strengthens the structure of Copper substrate, after Copper substrate repeatedly overturns, the most indeformable, it is ensured that to cut Fit completely with stationary contact bridge in face, it is to avoid the dynamic bridge that touches breaks down.

This utility model is further arranged to: described Copper substrate is provided with the thermovent run through.

The moment that Copper substrate and stationary contact bridge are opened or closed can produce big electric current, thus produces instantaneous high-temperature, thermovent energy Help distributes heat, it is to avoid the dynamic damage touching bridge.

This utility model is further arranged to: described abutment surfaces is provided with described reinforcement.

Supporting part is provided with reinforcement, makes to touch bridge after repeatedly upset, and supporting part will not flexural deformation, it is ensured that dynamic touch bridge Normal use.

By using technique scheme, this utility model has the advantages that dynamic touching between bridge and stationary contact bridge as face Contact, the dynamic bridge that touches closes rapidly, Copper substrate sound construction.

Compared with prior art, the utility model has the advantage of: dynamic touch that bridge is big with stationary contact bridge contact area, supporting part is steady Gu, low cost of manufacture.

Accompanying drawing explanation

Fig. 1 is this utility model embodiment and three-dimensional view during stationary contact bridge Guan Bi；

Fig. 2 is side view during this utility model embodiment horizontal positioned.

Reference: 1, Copper substrate；2, supporting part；3, normally opened end；4, normal-closed end；5, tangent plane；6, silvering；7, widen Portion；8, groove；9, reinforcement；10, thermovent；11, stationary contact bridge.

Detailed description of the invention

Below in conjunction with accompanying drawing, the present invention is described in further detail.

Embodiment: a kind of dynamic bridge that touches, as depicted in figs. 1 and 2, including a piece of Copper substrate 1, Copper substrate 1 two ends are often respectively Beginning 3 and normal-closed end 4, normally opened end 3 and the normal-closed end 4 of Copper substrate 1 are provided with the tangent plane 5 for fitting with stationary contact bridge 11, dynamic tactile When bridge and stationary contact bridge 11 close, contacting for face between tangent plane 5 with stationary contact bridge 11, contact is closely；Tangent plane 5 adds the dynamic bridge that touches at stationary contact Area of bearing on bridge 11, forms at 4 and fixes, and dynamic tactile bridge is more firm when closing with stationary contact bridge 11.It is stamped and formed out on Copper substrate 1 The supporting part 2 of outwardly convex, the dynamic bridge that touches carries out seesaw motion by supporting part 2, closes with stationary contact bridge 11 after dynamic tactile bridge upset.

Distance H2 of normal-closed end 4 to supporting part 2 is more than distance H1 of normally opened end 3 to supporting part 2, and the center of gravity of Copper substrate 1 is inclined To normal-closed end 4.Pressing normally opened end 3, normally opened end 3 closes with stationary contact bridge 11, unclamps normally opened end 3, and Copper substrate 1 automatic turning goes back to normally closed The state that end 4 closes with stationary contact bridge 11.During use, it is desirable to normally opened end disconnects with stationary contact bridge 11 when not having closure signal, The Copper substrate 1 of automatic turning makes normally opened end disconnect with stationary contact bridge 11, it is ensured that the dynamic safe handling touching bridge.

Tangent plane 5 is provided with silvering 6, and silvering 6 and stationary contact bridge 11 close closely, have good conductive effect.Normally closed End 4 is provided with those widened sections 7, those widened sections 7 is again provided with silvering 6, widens normal-closed end 4, makes normal-closed end 4 and stationary contact bridge The conducting of 11 is more reliable；The gravity simultaneously making normal-closed end 4 increases, and after unclamping normally opened end 3, normal-closed end 4 closes rapider.

Copper substrate 1 is provided with the groove 8 for placing press component, it is to avoid in the dynamic skidding touched on bridge during pressing operation. Copper substrate 1 is provided with thermovent 10, helps to distribute heat, it is to avoid the dynamic damage touching bridge.

Supporting part 2 is circular arc as the shape at fulcrum, can disperse the dynamic pressure touched when bridge overturns, it is to avoid supporting part 2 Concentrated wear is excessive, increases the dynamic service life touching bridge.Copper substrate 1 is provided with reinforcement 9, strengthens the structure of Copper substrate 1.? Surface, support part 2 is again provided with reinforcement 9, makes to touch bridge after repeatedly upset, and supporting part 2 will not flexural deformation, it is ensured that dynamic touch bridge Normal use.

Below being only preferred implementation of the present utility model, protection domain of the present utility model is not limited merely to above-mentioned Embodiment, all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It is right to it should be pointed out that, For those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, These improvements and modifications also should be regarded as protection domain of the present utility model.

Claims

1. a dynamic tactile bridge, including Copper substrate (1), is located at the supporting part (2) in the middle part of Copper substrate (1), described Copper substrate (1) two ends It is respectively normally opened end (3) and normal-closed end (4), it is characterized in that: the normally opened end (3) of described Copper substrate (1) is provided with normal-closed end (4) For the tangent plane (5) fitted with stationary contact bridge (11).

Dynamic tactile bridge the most according to claim 1, is characterized in that: the distance of described supporting part (2) to normal-closed end (4) is more than propping up The distance of support part (2) extremely normally opened end (3).

Dynamic tactile bridge the most according to claim 1, is characterized in that: described supporting part (2) is wholely set with Copper substrate (1), institute Stating supporting part (2) is circular arc as the shape at fulcrum.

Dynamic tactile bridge the most according to claim 1, is characterized in that: described tangent plane (5) is provided with for supporting with stationary contact bridge (11) The silvering (6) connect.

Dynamic tactile bridge the most according to claim 1, is characterized in that: be wholely set those widened sections (7) on described normal-closed end (4), Described those widened sections (7) is provided with silvering (6).

Dynamic tactile bridge the most according to claim 1, is characterized in that: described Copper substrate (1) is provided with groove (8).

Dynamic tactile bridge the most according to claim 1, is characterized in that: described Copper substrate (1) surface is provided with reinforcement (9).

Dynamic tactile bridge the most according to claim 1, is characterized in that: described Copper substrate (1) is provided with the thermovent (10) run through.

Dynamic tactile bridge the most according to claim 1, is characterized in that: described supporting part (2) surface is provided with reinforcement (9).