CN208433320U - A kind of self-resetting type switching device and sensing prior-warning device - Google Patents

Abstract

Self-resetting type switching device provided by the utility model and sensing prior-warning device, are related to switching technique field.The self-resetting type switching device includes attachment base, elastic component, movable part, switch fixing piece and microswitch, it has the advantages that compact-sized, volume is light, it is small to occupy space, pass through the configuration between each component, the sensitivity of flexible Application microswitch, make switching device under minimum stress, also microswitch can be triggered, and the switching device can keep auto-reset function for a long time, have the advantages that long service life.

Description

A kind of self-resetting type switching device and sensing prior-warning device

Technical field

The utility model relates to switching technique fields, pre- in particular to a kind of self-resetting type switching device and sensing Alarm device.

Background technique

Switch is the electronic original part for referring to make open circuit, make current interruptions or it is made to flow to other circuits, most common Switch be the electromechanical equipment for allowing people to operate, one of them or several electronic contacts.The " closed " of contact indicates that electronic contact is led It is logical, allow electric current to flow through, " open circuit " of contact indicates that electronic contact is not turned on to form open circuit, does not allow electric current to flow through.

Self-resetting type switch is to restore the switch of position automatically, and existing self-resetting type is switched there are some problems, Inaccuracy is such as resetted, causes service life short, sensitivity is lower.

Utility model content

The purpose of this utility model is to provide a kind of self-resetting type switching devices, with compact-sized, volume is light, occupies The small feature in space, and the high sensitivity of the switching device, can keep auto-reset function for a long time, have long service life The advantages of.

The another object of the utility model is to provide a kind of sensing prior-warning device comprising has above-mentioned self-resetting type switch dress The advantages of setting, there is high sensitivity, can effectively transmit signal.

The embodiments of the present invention are achieved in that

A kind of self-resetting type switching device comprising attachment base, elastic component, movable part, switch fixing piece and microswitch；

Attachment base is oppositely arranged with switch fixing piece, elastic component and movable part be all set in attachment base and switch fixing piece it Between, one end of elastic component is connected to attachment base, and the other end is connected to movable part, microswitch be set to switch fixing piece with connect On the opposite surface of seat；

Elastic component and movable part are configured as: there is external force when movable part moves in the telescopic direction of elastic component, Movable part can be close to or far from switch fixing piece to trigger microswitch.

In the utility model preferred embodiment, under force-free state, movable part and microswitch are in contact shape State.

In the utility model preferred embodiment, above-mentioned self-resetting type switching device includes the first guide part；

First guide part is axially set between attachment base and switch fixing piece along elastic component telescopic direction, elastic component and work Moving part is slidably connected with the first guide part.

In the utility model preferred embodiment, above-mentioned first guide part and elastic component are coaxially disposed.

In the utility model preferred embodiment, above-mentioned self-resetting type switching device includes the second guide part；

Second guide part is set to the movable part surface opposite with fixing piece is switched, and switch fixing piece is opposite with movable part The second guide groove to match with the second guide part is provided on surface.

In the utility model preferred embodiment, above-mentioned second guide part be column, the width of the second guide part or Outer diameter is gradually reduced along the contact jaw of the second guide part and movable part to close to the direction of switch fixing piece.

In the utility model preferred embodiment, above-mentioned self-resetting type switching device includes third guide part；

Third guide part is set to the switch fixing piece surface opposite with movable part, and movable part is opposite with switch fixing piece The third guide groove to match with third guide part is provided on surface.

In the utility model preferred embodiment, above-mentioned attachment base, switch fixing piece are plate structure.

In the utility model preferred embodiment, above-mentioned movable part includes to touch bottom plate and stressed member；Touch bottom One end of plate is connected with elastic component, and the other end is opposite with switch fixing piece；Stressed member is to touch bottom plate along the flexible side of elastic component To the bulge-structure of extension.

A kind of sensing prior-warning device comprising just like above-mentioned self-resetting type switching device.

The beneficial effect of the utility model embodiment is:

Self-resetting type switching device provided by the utility model comprising attachment base, elastic component, movable part, switch fixing piece And microswitch, have the characteristics that compact-sized, volume is light, occupy that space is small, by the configuration between each component, flexibly Using the sensitivity of microswitch, make switching device under minimum stress, can also trigger microswitch, and the switch Device can keep auto-reset function for a long time, have the advantages that long service life.

In addition, the present embodiment also provides a kind of sensing prior-warning device with above-mentioned self-resetting type switching device, there is spirit The advantages of sensitivity is high, can effectively transmit signal.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the first embodiment structure schematic diagram of the self-resetting type switching device of the utility model embodiment 1；

Fig. 2 is structural schematic diagram of the movable part of self-resetting type switching device in Fig. 1 under stress；

Fig. 3 is second of embodiment structure schematic diagram of the self-resetting type switching device of the utility model embodiment 1；

Fig. 4 figure is the third embodiment structure schematic diagram of the self-resetting type switching device of the utility model embodiment 1

In figure: 10- self-resetting type switching device；100- attachment base；200- elastic component；300- movable part；310- touches bottom plate； 320- stressed member；400- switchs fixing piece；410- microswitch；The first guide part of 440-；The second guide part of 430-；420- Two guide grooves.

Specific embodiment

It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.

Embodiment 1

Fig. 1~2 are please referred to, the present embodiment provides a kind of self-resetting type switching devices 10 comprising have attachment base 100, elasticity Part 200, movable part 300, switch fixing piece 400, microswitch 410, the first guide part 440 and the second guide part 430.It should be certainly Multiplex switch device 10 can delicately start microswitch 410 under stress, quickly transmit signal, and the self-resetting type is opened Closing device 10 has the advantages of capable of accurately resetting, long service life.

Microswitch 410, to use defined stroke and defined power to carry out the contact mechanism of switch motion, shell covers Lid, outside have drive rod.Because the contact spacing of microswitch 410 is smaller, therefore named microswitch 410 is called sensitive open It closes, is a kind of switch controlled using very small dynamics, self-resetting type switching device 10 provided by the utility model is by extremely Small external force, can be very delicately by keeping movable part 300 separate or contact-making switch fixing piece on movable part 300 Microswitch 410 on 400 is to achieve the purpose that control switch.Meanwhile after starting or closing microswitch 410, movable part 300 It can restore position automatically under the action of elastic component 200, continue as the switching device that can be transmitted by force signal.

Specifically, attachment base 100 is oppositely arranged with switch fixing piece 400, and elastic component 200 and movable part 300 are all set in Between attachment base 100 and switch fixing piece 400, one end of elastic component 200 is connected to attachment base 100, the other end of elastic component 200 It is connected to movable part 300, microswitch 410 is set on switch fixing piece 400 surface opposite with attachment base 100.Elastic component 200 and movable part 300 be configured as: have external force in the telescopic direction of elastic component 200 in movable part 300 and make movable part When 300 movement, movable part 300 can be close to switch fixing piece 400 to trigger microswitch 410.

Under force-free state, referring again to attached drawing 1, movable part 300 and microswitch 410 are in contact condition.By Under power state, movable part 300 is along far from microswitch 410.When movable part 300 is far from microswitch 410, please refer to again attached Fig. 2 after the stress of microswitch 410 changes, is switched rapidly on or cut-off signal.When stress is greater than stretching for elastic component 200 When contracting power, microswitch 410 can be always maintained at the state of on or off, therefore, self-resetting type switching device provided by the utility model 10 switch is closely related with stress.It should be noted that microswitch 410 with power supply and control system for being connected.

While movable part 300 is far from microswitch 410, the elastic component 200 being connected with 300 one end of movable part can be squeezed, Elastic component 200 can generate an elastic force opposite with active force to movable part 300, disappear in stress or stress is less than elastic component When 200 elastic force, movable part 300 can be to mobile close to 410 direction of microswitch or be moved to and contact with microswitch 410 to open Dynamic or closing microswitch 410.In the present embodiment, elastic component 200 is spring, as long as 300 1 energy of movable part can be given Enough make spring in the telescopic direction power that deformation occurs, it will be able to trigger microswitch 410.

It should be noted that in other embodiments, elastic component 200 and movable part 300 also can be configured as: along elasticity There is external force in movable part 300 and when keeping movable part 300 mobile in the telescopic direction of part 200, movable part 300 can be kept away from Fixing piece 400 is closed to trigger microswitch 410.That is, under force-free state, at movable part 300 and microswitch 410 In contactless state.Under stress, movable part 300 is along close and contact microswitch 410 with the microswitch 410 that sets out.

Further, in the present embodiment, attachment base 100, switch fixing piece 400 are plate structure, and movable part 300 wraps It has included and has touched bottom plate 310 and stressed member 320, touched 310 ground one end of bottom plate and be connected with elastic component 200, touch the another of bottom plate 310 One end and switch fixing piece 400 are opposite, and stressed member 320 is the protrusion touching bottom plate 310 and extending along 200 telescopic direction of elastic component Structure.

Stressed member 320 can make the external force acted on movable part 300 more along the telescopic direction extension of elastic component 200 Power is effectively directly transferred to elastic component 200, active force (trigger force, external force) is avoided or reduced and is decomposed into both direction in length and breadth On power so that 200 stress of elastic component is more accurate, movable part 300 can be under minimal stress, far from fine motion Switch 410, the setting can effectively improve the sensitivity of switching device.

Specifically, stressed member 320 can be column structure, to touch 310 center of bottom plate or end along far from elastic component The structure that 200 direction extends, please refers to attached drawing 1~3.Stressed member 320 be connected to touch bottom plate 310 center by Power is more uniform, and touch bottom plate 310 is enable to squeeze elastic component 200 or more balanced by the process that elastic component 200 resets, It is more advantageous to the reset for touching bottom plate 310.

It should be noted that in other embodiments, cylindric, wave can be set into the shape and structure of stressed member 320 Shape wave or other arbitrary shapes, stressed member 320 or the bulge-structure for protruding from touch 310 both ends of bottom plate.Forced section Part 320 may be set to be with along touch bottom plate 310 one end along perpendicular to elastic component 200 direction extend structure, i.e., by Power component 320 please refers to attached drawing 4 with along 310 integrated setting of bottom plate is touched.

Further, elastic component 200 is during the motion, it may occur that is inevitably displaced, the first guide part 440 Setting the occurrence of capable of effectively avoiding or reducing this.

Specifically, the first guide part 440 is axially set in attachment base 100 along the telescopic direction of elastic component 200 and switch is solid Determine between part 400, elastic component 200 is slidably connected with the first guide part 440 with movable part 300.In the present embodiment, it first leads (attached drawing 1,2) is coaxially disposed to part 440 and elastic component 200 and movable part 300.Elastic component 200 is self-resetting type spring, ring spring Around the first guide part 440, the touch bottom plate 310 of movable part 300 is equipped with outer diameter and is greater than 440 outer diameter of the first guide part Sliding groove.

First guide part 440 can correct the direction of displacement of elastic component 200 and movable part 300, make elastic component 200 in work Moving part 300 can stress and movement in given area accurately to trigger microswitch 410 increase the sensitivity of switching device, Meanwhile switching device being made to be easier to reset, the service life is longer.It should be noted that in other embodiments, please referring to attached drawing 3 and attached drawing 4, the first guide part 440 can be axially arranged with the direction for being parallel to 200 central axis of elastic component.

Further, the auto-reset function of switching device in order to further increase is provided with the second guide part 430.The Two guide parts 430 are set to the surface opposite with fixing piece 400 is switched of movable part 300, switch fixing piece 400 and movable part 300 It is provided on opposite surface with the second guide part 430 to matched second guide groove 420.

When movable part 300 is far from or close to switch 400/ microswitch 410 of fixing piece, the second guide part 430 and second The opposite contact or separate of guide groove 420.Outer diameter of second guide part 430 close to one end of the second guide groove 420 is led less than second To the contact jaw of part 430 and movable part 300, therefore, even if elastic component 200 is displaced to a certain extent, the second guide part 430 under the guiding role of the second guide groove 420, can restore and keep original track.

In the present embodiment, the width of the second guide part 430 along the second guide part 430 and movable part 300 contact jaw to Direction close to switch fixing piece 400 is gradually reduced, and forms bullet.The structure can deviate its flexible side in elastic component 200 Elastic component 200 is modified to its set expansion rail by Xiang Shi automatically, protects the shift position of elastic component 200 and movable part 300 It holds on an axis, it being capable of the more permanent and microswitch 410 that accurately sets out.

It is opposite, third guide part can be set and further enhance guiding function to elastic component 200 and movable part 300 Can, so that 300 stress of movable part can be easy, auto-reset function is more permanent.Specifically, third guide part is set to switch It is provided on the surface opposite with movable part 300 of fixing piece 400, movable part 300 and the opposite surface of switch fixing piece 400 and the The third guide groove that three guide parts match.The structure and function of third guide part are the same as above-mentioned second guide part 430.

The use of the new type embodiment also provides a kind of sensing prior-warning device comprising have above-mentioned self-resetting type switching device and Alarm.The microswitch of self-resetting type switching device is electrically connected with alarm.

To sum up, self-resetting type switching device provided by the utility model comprising attachment base, elastic component, movable part, switch are solid Determine part and microswitch, has the characteristics that compact-sized, volume is light, occupies that space is small, by the configuration between each component, The sensitivity of flexible Application microswitch makes switching device under minimum stress, can also trigger microswitch, and should Switching device can keep auto-reset function for a long time, have the advantages that long service life.

In addition, the present embodiment also provides a kind of sensing prior-warning device with above-mentioned self-resetting type switching device, there is spirit The advantages of sensitivity is high, can effectively transmit signal.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of self-resetting type switching device, which is characterized in that it include attachment base, elastic component, movable part, switch fixing piece and Microswitch；

The attachment base is oppositely arranged with the switch fixing piece, and the elastic component and the movable part are all set in the connection Between seat and the switch fixing piece, one end of the elastic component is connected to the attachment base, and the other end is connected to the activity Part, the microswitch are set on the switch fixing piece surface opposite with the attachment base；

The elastic component and the movable part are configured as: having external force in the work in the telescopic direction of the elastic component When moving part is mobile, the movable part can be close to or far from the switch fixing piece to trigger the microswitch.

2. self-resetting type switching device according to claim 1, which is characterized in that under force-free state, the movable part Contact condition is in the microswitch.

3. self-resetting type switching device according to claim 2, which is characterized in that the self-resetting type switching device includes One guide part；

First guide part along the elastic component telescopic direction be axially set in the attachment base and the switch fixing piece it Between, the elastic component is slidably connected with first guide part with the movable part.

4. self-resetting type switching device according to claim 3, which is characterized in that first guide part and the elastic component Coaxial arrangement.

5. self-resetting type switching device according to claim 3, which is characterized in that the self-resetting type switching device includes Two guide parts；

Second guide part is set to the movable part and the opposite surface of the switch fixing piece, the switch fixing piece and The second guide groove to match with second guide part is provided on the opposite surface of the movable part.

6. self-resetting type switching device according to claim 5, which is characterized in that second guide part is column, institute The width or outer diameter for stating the second guide part switch admittedly along the contact jaw of second guide part and the movable part to close to described The direction for determining part is gradually reduced.

7. self-resetting type switching device according to claim 3, which is characterized in that the self-resetting type switching device includes Three guide parts；

The third guide part is set to the switch fixing piece surface opposite with the movable part, the movable part with it is described Switch fixing piece is provided with the third guide groove to match with the third guide part on opposite surface.

8. described in any item self-resetting type switching devices according to claim 1~7, which is characterized in that the attachment base described is opened Closing fixing piece is plate structure.

9. self-resetting type switching device according to claim 8, which is characterized in that the movable part include touch bottom plate with Stressed member；

Described one end for touching bottom plate is connected with the elastic component, and the other end is opposite with the switch fixing piece；

The stressed member is the bulge-structure for touching bottom plate and extending along the elastic component telescopic direction.

10. a kind of sensing prior-warning device, which is characterized in that it includes that self-resetting type as described in any one of claims 1 to 9 is opened Close device.