CN209747385U

CN209747385U - Novel movable contact spring supporting elastic sheet type microswitch

Info

Publication number: CN209747385U
Application number: CN201920314318.5U
Authority: CN
Inventors: 旷世
Original assignee: Yueqing Qingyang Electric Co Ltd
Current assignee: Yueqing Qingyang Electric Co Ltd
Priority date: 2019-03-13
Filing date: 2019-03-13
Publication date: 2019-12-06
Anticipated expiration: 2029-03-13

Abstract

The utility model relates to a novel movable contact spring supporting elastic sheet type microswitch, which comprises a switch button, a spring sheet connected with the switch button, a spring sheet and a spring sheet bracket connected with one end of the spring sheet, wherein the other end of the spring sheet is connected with the spring sheet, the spring sheet bracket comprises an upper fixing sheet, a transition sheet and a lower fixing sheet, the upper fixing sheet is connected with the transition sheet through a supporting part in an alpha angle, the supporting part comprises an outer edge of arc transition and an inner edge of at least part of arc transition, two surfaces of the transition part of the inner edge shrink towards the outer edge direction to form a supporting groove, through the specially designed reed support, the support parts in the transition pieces on the reed support are designed into arc transition with the inner corner radius larger than the outer corner radius, therefore, the reed clamped at the position can work more stably, the action of the microswitch is more sensitive, the use times are greatly improved, and the service life of the microswitch is greatly prolonged.

Description

Novel movable contact spring supporting elastic sheet type microswitch

Technical Field

The utility model relates to a large-scale micro-gap switch designs technical field, especially relates to a novel movable contact spring supports elastic sheet type micro-gap switch.

Background

Micro-gap switch has small contact interval and fast-acting mechanism, carries out the contact mechanism of switching action with the stroke of regulation and the power of regulation, covers with the shell, and its outside has a switch of actuating lever, because the contact interval of its switch is smaller, so the micro-gap switch, micro-gap switch's a great variety and inner structure have thousands of hundreds of, can divide into large-scale micro-gap switch and small-size micro-gap switch according to the volume, the utility model relates to a novel support elasticity piece type micro-gap switch, reed support through special design, the supporting part in the transition piece on the reed support designs into the interior angle radius and is greater than the circular arc transition of exterior angle radius to make the joint more stable in reed work here, micro-gap switch's action is more sensitive, and the number of times of use improves greatly, and micro-gap switch's life also will strengthen greatly.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a novel movable contact spring supporting elastic sheet type microswitch, which comprises a switch button, an elastic sheet connected with the switch button, a reed and a reed support connected with one end of the reed, wherein the other end of the reed is connected with the elastic sheet;

The reed support includes stationary blade, transition piece and lower stationary blade, go up the stationary blade with the transition piece is alpha angle through the supporting part and connects, the supporting part includes the outside of arc transition and the interior limit of at least partly arc transition, two of the transition department of interior limit form the support groove towards the outside direction shrink.

Therefore, the alpha angle is 0-180 degrees, the supporting part comprises an outer edge of arc transition and an inner edge of at least part of arc transition, two surfaces at the transition position of the inner edge shrink towards the outer edge direction to form a supporting groove, namely the supporting part is formed by bending a metal plate, the outer edge arc transition provides outer support, two surfaces of the inner edge form another transition mode, a section of part bending or shrinking towards the outer edge direction exists on the two surfaces at the intersection transition position of the two surfaces, the transition is realized between the two parts, so that the supporting groove is formed at the position, the thickness of the metal plate at the position is gradually reduced towards the transition part direction, the supporting groove can be formed by turning before bending, the supporting groove can also be formed by extruding the inner edge to recess the supporting groove during bending, and the position of the supporting groove is provided with a connecting hole for connecting the elastic sheet, here reed and shell fragment are connected, and at switch operation, shell fragment deformation realizes opening and shutting of switch contact, and the deformation of shell fragment needs to be realized through the support of reed, and the oblique decurrent thrust of reed can be given to the shell fragment at support groove position reed promptly, and the reaction force of reed gives the deformation power of shell fragment, supports the existence in groove and can make the support of shell fragment more stable and sensitive, avoids appearing the slip of shell fragment and makes micro-gap switch's insensitive, makes the reed with shell fragment work is more stable, and micro-gap switch moves more sensitively to relative slip between them reduces and makes the use number of times improve greatly, and micro-gap switch's life also will strengthen greatly, alpha angle is preferably 90.

Preferably, the support part further comprises a support opening, and the spring plate is fastened with the support opening through a protruding edge arranged on the end face.

As the utility model discloses the preferred, the transition piece with the stationary blade junction is provided with fixed knot down.

as the utility model discloses preferred, the shell fragment through pass the splicing with fixed knot can dismantle the connection.

therefore, one end of the transmission connecting piece is inserted into the fixing buckle and connected with the reed support, the other end of the transmission connecting piece penetrates through the elastic piece and is connected with the switch button, and the transmission connecting piece transmits the force of the external force acting on the switch button to the elastic piece, so that the movement of the elastic piece is realized.

Preferably, one end of the elastic sheet far away from the transmission sheet is provided with a movable contact.

Preferably, the movable contact device further comprises at least a fixed contact, and the fixed contact is arranged on the moving stroke of the movable contact.

Preferably, the switch further comprises a switch shell, and the static contact, the switch button, the spring plate support and the transmission plate are all located in the switch shell.

Therefore, the switch shell plays a role in protection and insulation, and is formed by injection molding of hard plastics.

The utility model discloses following beneficial effect has:

The utility model discloses the suitability is very strong, has very big development prospect, compares with prior art, the utility model relates to a novel support elastic sheet type micro-gap switch, through special design's reed support, with the supporting part design in the transition piece on the reed support interior angle radius be greater than the radial circular arc transition of exterior angle to make the joint reed work stability more here, micro-gap switch's action is more sensitive, and the use number of times improves greatly, and micro-gap switch's life also will strengthen greatly.

the technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

Fig. 1 is a schematic structural view of a novel movable contact supporting elastic piece type microswitch of the invention;

Fig. 2 is a schematic structural view of a novel movable contact supporting elastic piece type microswitch of the invention;

Fig. 3 is a top view of fig. 1.

In the figure, 1-switch button; 2-a spring plate; 3-reed; 4-a reed support; 5-a transfer tab; 6-stationary contact; 7-a switch housing; 21-moving contact; 31-a projecting edge; 41-an upper fixing sheet; 42-a transition piece; 43-lower fixing piece; 44-a support portion; 441-support port.

Detailed Description

the present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, 2 and 3, a novel movable contact supporting elastic piece type microswitch comprises a switch button 1, an elastic piece 2 connected with the switch button 1, a spring piece 3 and a spring piece bracket 4 connected with one end of the spring piece 3, wherein the other end of the spring piece 3 is connected with the elastic piece 2; the reed support includes stationary blade, transition piece and lower stationary blade, go up the stationary blade with the transition piece is alpha angle through the supporting part and connects, the supporting part includes the outside of arc transition and the interior limit of at least partly arc transition, two of the transition department of interior limit form the support groove towards the outside direction shrink.

In this embodiment, the supporting portion 44 further includes a supporting opening 441, the spring plate 3 is fastened to the supporting opening 441 through a protruding edge 31 disposed on an end surface, a fixing buckle is disposed at a joint of the transition plate 42 and the lower fixing plate 41, the spring plate 2 is detachably connected to the fixing buckle through a transmission plate 5, one end of the transmission plate 5 is inserted into the fixing buckle and connected to the spring plate bracket 4, the other end of the transmission plate 5 passes through the spring plate 2 and is connected to the switch button 1, the transmission plate 5 transmits a force applied by an external force on the switch button 1 to the spring plate 2, so as to realize a movement of the spring plate 2, one end of the spring plate 2 far away from the transmission plate 5 is provided with a movable contact 21, and further includes at least a stationary contact 6, the stationary contact 6 is disposed on a movement stroke of the movable contact 21, and further includes a switch housing 7, the static contact 6, the switch button 1, the elastic sheet 2, the reed 3, the reed support 4 and the transmission sheet 5 are all located in the switch shell 7, the switch shell 7 plays a role in protection and insulation, and the switch shell 7 is formed by injection molding of hard plastics.

The utility model discloses a theory of operation, all foretell components all are located the casing and can dismantle the connection, press shift knob, shift knob promotes the reed support downwards, and the reed support rotates certain angle and drives the movable contact swing, and this shell fragment is compressed, realizes laminating or the separation of movable contact and stationary contact to realize the closure or the disconnection of switch, loosen shift knob afterwards, the shell fragment is kick-backed, and the movable contact is got back to original position, and the movable contact is playback also, and the whole stroke that realizes the switch.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. The utility model provides a novel movable contact spring supports elastic sheet type micro-gap switch, including shift knob (1) and with shell fragment (2) that shift knob (1) is connected, its characterized in that: the reed support is characterized by further comprising a reed (3) and a reed support (4) connected with one end of the reed (3), wherein the other end of the reed (3) is connected with the elastic sheet (2);

Reed support (4) are including last stationary blade (41), transition piece (42) and lower stationary blade (43), go up stationary blade (41) with transition piece (42) are alpha angle through supporting part (44) and connect, supporting part (44) are including the outside of arc transition and the interior limit of at least some arc transition, two of the transition department of interior limit form the support groove towards the outside direction shrink.

2. The novel movable contact supporting elastic piece type microswitch as in claim 1, wherein: the support part (44) further comprises a support opening (441), and the reed (3) is buckled with the support opening (441) through a protruding edge (31) arranged on the end face.

3. The novel movable contact supporting elastic piece type microswitch as in claim 1, wherein: the junction of the transition piece (42) and the lower fixing piece (43) is provided with a fixing buckle.

4. a novel movable contact supporting elastic sheet type microswitch as claimed in claim 3, wherein: the elastic sheet (2) is detachably connected with the fixing buckle through the transmission sheet (5).

5. The novel movable contact supporting elastic piece type microswitch as in claim 4, wherein: one end of the elastic sheet (2) far away from the transmission sheet (5) is provided with a movable contact (21).

6. The novel movable contact supporting elastic piece type microswitch as in claim 5, wherein: and at least comprises a fixed contact (6), wherein the fixed contact (6) is arranged on the moving stroke of the movable contact (21).

7. The novel movable contact supporting elastic piece type microswitch as in claim 6, wherein: still include switch housing (7), stationary contact (6), shift knob (1), shell fragment (2), reed (3), reed support (4) and pass the piece (5) and all be located in switch housing (7).