CN209266273U - Switch - Google Patents

Abstract

The utility model provides a kind of switch, it include mounting base, arrangements of electric connection and the button assembly being turned on or off for controlling arrangements of electric connection, it is supported between the button assembly and mounting base and is equipped with reset spring, the button assembly includes the press section of spring energy storage component and driving spring energy storage component movement, the guide channel for spring energy storage component guiding movement is provided in the mounting base, the the first shoulder rank and the second shoulder rank for cooperating and spring energy storage component being prevented to rise or move down are provided between the spring energy storage component and the inner wall of guide channel, press section drives spring energy storage component deformation to its elastic power drive the first shoulder rank to streak the second shoulder rank, and arrangements of electric connection is connected.The utility model, which provides one kind, can be avoided temperature raising between dynamic and static contact, there is a phenomenon where being adhered, switch more durable.

Description

Switch

Technical field

The utility model relates to a kind of switches.

Background technique

Switch be a kind of structure it is simple, using very extensive electric switch, generally included button, mounting base, outer Shell, arrangements of electric connection, the arrangements of electric connection include static contact and movable contact spring, support and are equipped with again between the button and mounting base Position spring, when use, press button, and button driving movable contact spring is in contact with static contact, realize the connection of circuit, release Push-button reset is driven by reset spring after button, circuit disconnects.

The switch of the prior art, connect switch when, button needs be pressed move a certain distance after can just circuit be made to connect It is logical, it is moved closer between static contact and movable contact spring during pressing, at this point, voltage is more than the sky between movable contact spring and static contact The phenomenon that tolerance of gas makes this section of air ionization become conductor, generates arcing generates a large amount of heat when this section of air is ionized Amount increases temperature between dynamic and static contact, there is a phenomenon where being adhered, influences the service life of switch.

Utility model content

In view of the deficiencies of the prior art, the utility model provides one kind and can be avoided and occurs between static contact and movable contact spring Arcing leads to temperature raising between the two, there is a phenomenon where being adhered, switch more durable.

To achieve the above object, the utility model provides a kind of switch, includes mounting base, arrangements of electric connection and use In the button assembly that control arrangements of electric connection is turned on or off, is supported between the button assembly and mounting base and is equipped with reset spring, The button assembly includes the press section of spring energy storage component and driving spring energy storage component movement, is arranged in the mounting base There is the guide channel for spring energy storage component guiding movement, is provided between the spring energy storage component and the inner wall of guide channel Cooperate the first shoulder rank and the second shoulder rank for preventing spring energy storage component from rising or move down, and press section drives spring energy storage group Part deformation to its elastic power drive the first shoulder rank streaks the second shoulder rank, and arrangements of electric connection is connected.

By adopting the above technical scheme the advantages of, is: compared with prior art, due to pressing during static contact and dynamic touching It is moved closer between piece, leads to that quiet, there is a phenomenon where the generation of arcing, the spring energy storage components of the utility model between movable contact spring When the first shoulder rank can be driven to streak the second shoulder rank in the case where press section drives, is moved rapidly, greatly shortened by its elasticity power drive Button assembly pressing or when resetting, fitting is conductive between quiet, movable contact spring or the time required for disconnecting, and avoids dynamic and static contact Between the temperature as caused by phenomenon of arc discharge increase, be adhered, to keep the switch of the utility model more durable.By setting The first shoulder rank and the second shoulder rank mutual cooperation set between spring energy storage component and guide channel inner wall prevent spring energy storage group Part rising, which is perhaps moved down, forms resistance when user touches or presses to press section unintentionally, and the mistake of circuit is prevented to be connected to, It causes unexpectedly to lose.

The utility model can be further arranged to: the spring energy storage component includes elastic slice and actuator, the bullet Piece tool is there are two symmetrically arranged abutment end, and there are gap between two abutment ends, the first shoulder rank is arranged on abutment end, when When first shoulder rank slips over the second shoulder rank, two abutment ends are mutually drawn close.

By being further arranged, the first shoulder rank be arranged on abutment end, when pressing press section, the first shoulder rank with lead It is abutted against to the inner wall in channel, until spring energy storage component accumulation of energy to its elastic force drives two abutment ends mutually to draw close, the first shoulder Rank slips over the second shoulder rank.It is two due to the first shoulder rank and the second shoulder rank and is symmetrically arranged in guide channel, by presses When splenium or reset spring driving spring energy storage component deformation, the stress of spring energy storage component and mounting base more evenly, is laid out Rationally, the stability of product is promoted.

The utility model can be further arranged to: in the form of sheets, the first shoulder rank is curved by the abutment end of elastic slice for the elastic slice Folding is formed, and convex, and the second shoulder rank is convexed to form by the inner wall of guide channel, the first shoulder rank or the second shoulder rank Outer surface be in cambered surface.

By being further arranged, the first shoulder rank and the second shoulder rank are separately positioned on the inner wall of abutment end and guide channel, When carrying out pressing driving elastic slice movement to press section, the first shoulder rank is contradicted on the upper surface of the second shoulder rank, increases with stress, leads to The angle for crossing the bending place angle of elastic slice, which becomes smaller, carries out accumulation of energy, when stress is increased to a certain extent, by being arranged in the first shoulder rank Or cambered surface on the second shoulder rank so that the first shoulder rank is streaked the second shoulder rank, and the power that deformation is put aside before discharging drives button Component accelerates movement.

The utility model can be further arranged to: the actuator includes link block and is drivingly connected block rising or moves down Spring, spring and press section linkage are arranged, and the elastic slice is domed, and the groove being embedded for elastic slice is provided on link block, described Elastic slice is connected with link block.

By being further arranged, when user presses press section, will drive spring deformation accumulation of energy, with press section by Power increases, and spring drives actuator to exert a force towards elastic slice, and when streaking the second shoulder rank with the first shoulder rank being arranged on elastic slice, The power that deformation is put aside is discharged together with the first shoulder rank, accelerates the movement of button assembly.

The utility model can be further arranged to: being provided with sliding slot on the link block, have on the sliding slot for spring The accommodating cavity of installation, the press section are provided with the first drive block and the second drive block in sliding in sliding slot, the first drive block with Second drive block is located at the opposite ends of accommodating cavity, and when press section is mobile, the first drive block abuts pressure with spring composition Contracting cooperation or the second drive block abut compressed fit with spring composition, and the width of accommodating cavity is greater than the width at sliding slot both ends.

By being further arranged, when press section is pressed or resets, it is respectively formed the first drive block and spring compression exists On the inner wall of groove and the second drive block by spring compression on the inner wall of groove, squeezed by the first drive block and the second drive block Pressing spring makes it have the process of a deformation accumulation of energy in pressing or reset, and after streaking the second shoulder rank with the first shoulder rank, The spring power put aside of release deformation accelerates button assembly movement, make between dynamic and static contact gradually close to time into One step shortens, and prevents the generation of phenomenon of arc discharge.

The utility model can be further arranged to: the arrangements of electric connection includes movable member, return unit and both ends The reed being arranged on movable member respectively, the reed is domed, and the button assembly or return unit can drive movable member to squeeze Making leaf spring deformation is mobile to its elastic power drive movable plate, and arrangements of electric connection is made to be turned on or off.

By being further arranged, movable member drives domed reed both ends to move toward one another to one end and is driven by elastic force Drive arrangements of electric connection conducting, form the structure of multiple accumulation of energy, further to arrangements of electric connection be connected or disconnect time into Row shortens, and avoids the generation of phenomenon of arc discharge.

The utility model can be further arranged to: be provided with the adjusting spiral shell being threaded through in mounting base below the reset spring Bar, is provided with spring base between adjusting screw rod and reset spring, spring base is fixed on adjusting screw rod.

By being further arranged, by being rotated to adjusting screw rod, spring base is lifted or is moved down, changes and resets bullet The distance at property both ends, so as to adjust the susceptibility of reset spring as needed.

The utility model can be further arranged to: the limit convex for preventing reset spring from shifting is provided in the middle part of the spring base Platform.

By being further arranged, Flexible Reset is limited, the stability of product is promoted.

The utility model can be further arranged to: the sector that limit cooperation is constituted with mounting base is provided on the press section Limited block.

By being further arranged, it is excessively inserting in mounting base when press section being prevented to be pressed.

Detailed description of the invention

Fig. 1 is the perspective view of the utility model embodiment；

Fig. 2 is the schematic diagram of internal structure of the utility model embodiment；

Fig. 3 is the explosive view of the utility model embodiment；

Fig. 4 is the enlarged drawing of the part a in the utility model embodiment Fig. 2；

Fig. 5 is the perspective view of actuator in the utility model embodiment；

Fig. 6 is the structural schematic diagram of arrangements of electric connection in the utility model embodiment.

Specific embodiment

The embodiment of the utility model switch is as shown in figures 1 to 6: including mounting base 1, arrangements of electric connection 2 and for controlling The button assembly 3 that arrangements of electric connection 2 processed is turned on or off is equipped in the mounting base 1 to switch internal in the present embodiment Structure forms the outer housing 4 covered, supports between the button assembly 3 and mounting base 1 and is equipped with reset spring 5, the button assembly 3 Include the press section 32 of spring energy storage component 31 and driving spring energy storage component mobile 31, is provided with confession in the mounting base 1 The guide channel 11 of spring energy storage component guiding movement is arranged between the spring energy storage component 31 and the inner wall of guide channel 11 There are the first shoulder rank 311 and the second shoulder rank 111 for cooperating and spring energy storage component 31 being prevented to rise or move down, press section 32 drives 31 deformation of spring energy storage component to its elastic the first shoulder of power drive rank 311 streaks the second shoulder rank 111, and leads arrangements of electric connection 2 It is logical.The spring energy storage component 31 includes elastic slice 312 and actuator, and there are two symmetrically arranged abutment ends for the elastic slice tool 317, there are gap between two abutment ends 317, the first shoulder rank 311 is arranged on abutment end 317, when the first shoulder rank 311 is sliding When crossing the second shoulder rank 111, two abutment ends 317 are mutually drawn close.In the form of sheets, the first shoulder rank 311 is by elastic slice for the elastic slice 312 312 abutment end 317 is bent to form, and convex, and the second shoulder rank 111 is convexed to form by the inner wall of guide channel, institute The outer surface of the first shoulder rank 311 or the second shoulder rank 111 is stated in cambered surface.The actuator includes link block 313 and drive connection block 313 springs 6 for rising or moving down, spring 6 and the linkage of press section 32 are arranged, and the elastic slice 312 is domed, sets on link block 313 It is equipped with the groove being embedded for elastic slice 312, the elastic slice 312 is connected with link block 313.Cunning is provided on the link block 313 Slot 314, has the accommodating cavity 315 install for spring on the sliding slot 314, and the press section 32 is arranged in sliding in sliding slot 313 There are the first drive block 321 and the second drive block 322, the first drive block 321 and the second drive block 322 are located at accommodating cavity 315 Opposite ends, when press section 32 is mobile, the first drive block 321 constitutes with spring 6 and abuts compressed fit or the second drive block 322 abut compressed fit with spring composition, and the width of accommodating cavity 315 is greater than the width at 314 both ends of sliding slot.The tipping that is electrically connected Setting includes reed 21 that movable member 22, return unit 23 and both ends are arranged in respectively on movable member 22, and the reed 21 is in arch Shape, the button assembly or return unit can drive movable member 22 to squeeze 21 deformation of reed to its elastic power drive movable plate 22 and move It is dynamic, and arrangements of electric connection 2 is made to be connected or reset.In the present embodiment, movable contact spring is arranged at one end of movable member 21, described dynamic Two end faces up and down of contact are respectively set there are two movable contact, and corresponding two movable contacts are respectively arranged with normally-closed contact 24 and often Open contact 25, normally-closed contact 24 and normally opened contact 25 respectively correspond normally-closed circuit and normally opened circuit, to press section 32 carry out by When pressure, 21 deformation of reed to its elastic power drive one movable contact 26 is closed with normally opened contact 25, at this time normally opened circuit communication, often Closed circuit disconnect, discharge press section 32 after, return unit drive 21 deformation of reed to its elastic force band movable contact 26 reset with it is normally closed Contact 24 is closed, and normally-closed circuit is connected at this time, and normally opened circuit disconnects.It is provided with below the reset spring 5 and is threaded through mounting base 1 On adjusting screw rod 7, spring base 8 is provided between adjusting screw rod 7 and reset spring 5, spring base 8 is fixed at adjusting screw rod On 7.The positive stop lug boss 81 for preventing reset spring 5 from shifting is provided in the middle part of the spring base 8.Be provided on the press section 32 with Mounting base 1 constitutes the fan-shaped limited block 323 of limit cooperation.Above example, only the one of the utility model preferably specific example Kind, the usual variations and alternatives that those skilled in the art carry out within the scope of technical solutions of the utility model are included in practical In novel protection scope.

Claims (9)

1. a kind of switch includes mounting base, arrangements of electric connection and the button being turned on or off for controlling arrangements of electric connection Component supports between the button assembly and mounting base and is equipped with reset spring, it is characterised in that: the button assembly includes flexible Accumulation of energy component and driving spring energy storage component mobile press section are provided with to be oriented to for spring energy storage component in the mounting base and move Dynamic guide channel is provided with mutual cooperation and prevents spring energy storage group between the spring energy storage component and the inner wall of guide channel The the first shoulder rank and the second shoulder rank that part rises or moves down, press section drive the deformation of spring energy storage component to its elastic power drive first Shoulder rank streaks the second shoulder rank, and arrangements of electric connection is connected.

2. switch according to claim 1, it is characterised in that: the spring energy storage component includes elastic slice and driving Part, elastic slice tool is there are two symmetrically arranged abutment end, and there are gap between two abutment ends, the first shoulder rank setting is being supported It connects on end, when the first shoulder rank slips over the second shoulder rank, two abutment ends are mutually drawn close.

3. switch according to claim 2, it is characterised in that: in the form of sheets, the first shoulder rank is by elastic slice for the elastic slice Abutment end is bent to form, and convex, and the second shoulder rank is convexed to form by the inner wall of guide channel, the first shoulder rank or The outer surface of second shoulder rank is in cambered surface.

4. switch according to claim 2 or 3, it is characterised in that: the actuator includes link block and drive connection block The spring for rising or moving down, spring and press section linkage are arranged, and the elastic slice is domed, is provided on link block and is embedded for elastic slice Groove, the elastic slice is connected with link block.

5. switch according to claim 4, it is characterised in that: be provided with sliding slot on the link block, have on the sliding slot There is the accommodating cavity for spring installation, the press section is provided with the first drive block and the second drive block in sliding in sliding slot, and first Drive block and the second drive block are located at the opposite ends of accommodating cavity, when press section is mobile, the first drive block and spring structure Compressed fit is abutted with spring composition at compressed fit or the second drive block is abutted, the width of accommodating cavity is greater than the width at sliding slot both ends Degree.

6. switch described according to claim 1 or 2 or 3 or 5, it is characterised in that: the arrangements of electric connection includes movable Part, return unit and both ends are arranged in the reed on movable member respectively, and the reed is domed, the button assembly or return unit Movable member can be driven to squeeze reed deformation mobile to its elastic power drive movable plate, and arrangements of electric connection is made to be turned on or off.

7. switch described according to claim 1 or 2 or 3 or 5, it is characterised in that: be provided with and wear below the reset spring Adjusting screw rod in mounting base, is provided with spring base between adjusting screw rod and reset spring, spring base is fixed at adjusting On screw rod.

8. switch according to claim 7, it is characterised in that: being provided in the middle part of the spring base prevents reset spring from shifting Positive stop lug boss.

9. according to claim 1 or 2 or or switch described in 3 or 5 or 8, it is characterised in that: be provided with and pacify on the press section Fill the fan-shaped limited block that seat constitutes limit cooperation.