CN208256545U - A kind of self-resetting button switch of long overtravel - Google Patents
A kind of self-resetting button switch of long overtravel Download PDFInfo
- Publication number
- CN208256545U CN208256545U CN201721710069.9U CN201721710069U CN208256545U CN 208256545 U CN208256545 U CN 208256545U CN 201721710069 U CN201721710069 U CN 201721710069U CN 208256545 U CN208256545 U CN 208256545U
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- button
- switch
- locating pin
- spring
- housing
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Abstract
The utility model discloses a kind of self-resetting button switch of long overtravel, include, switch case, it is with housing front wall, housing rear and housing top wall, the housing front wall, the housing rear and the housing top wall define switch accommodating space jointly, have roof perforation in the housing top wall；Microswitch has switch key on the top surface of the microswitch in the bottom for switching accommodating space；And button assembly, the top in the switch accommodating space, the button assembly are made of button, buffer spring, button briquetting, button locating pin and pressing spring.The utility model has the beneficial effects that: having the protection of reliable overtravel, the damage to microswitch push-button is reduced by the buffering of spring；Overtravel is longer simultaneously, has and preferably connects stability；Product size is small, light-weight, and switching group number is more.
Description
Technical field
The utility model relates to a kind of self-resetting button switch of long overtravel.
Background technique
Traditional self-resetting button switch has longer actuating length and shorter overtravel, some button switches are even
There is no overtravel.Doing so may insure that a preferable pressing feel and movement feedbacks.However, for by external drive mechanism
(machine) operates and when needs to keep pressing state for a long time, and the button switch of shorter actuating length and longer overtravel can be with
Bring better job stability and reliability.Therefore the improvement in structure is urgently carried out to existing button.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of self-resetting button switch of long overtravel.
In order to realize the purpose, the technical solution of the utility model is as follows: a kind of Self-resetting button of long overtravel is opened
It closes, includes,
Switch case, the shell with housing front wall, housing rear and the connection housing front wall and the housing rear
Body roof, the housing front wall, the housing rear and the housing top wall define switch accommodating space, the shell jointly
There is roof perforation on roof；
Microswitch on the top surface of the microswitch there is switch to press in the bottom for switching accommodating space
Key；And
Button assembly, in it is described switch accommodating space top, the button assembly by button, buffer spring, press
Button briquetting, button locating pin and pressing spring composition, the button briquetting are in the top of the microswitch and open with described
Close button phase is corresponding up and down, has between the button briquetting and the microswitch and presses for supporting the described of button briquetting
Pressing spring is formed with the spring mounting groove to lower recess on the top surface of the button briquetting, has in the spring mounting groove and use
It is accommodated in being formed with the locating pin being recessed upwards on the buffer spring for supporting the button, the bottom surface of the button briquetting
Slot is formed with the locating pin perforation for being connected to the spring mounting groove, the button positioning on the bottom surface of the locating pin accommodation groove
There is nail positioning nail head and locating pin bar portion, the positioning nail head to be in the locating pin accommodation groove, the locating pin
The top surface of bar portion from the positioning nail head begins to upwardly extend, and is first upward through locating pin perforation, after extend into it is described by
Button connecting hole, the locating pin bar portion are mutually fixably coupled with the button connection hole.
A kind of preferred embodiment of self-resetting button switch as long overtravel, the housing front wall and the housing rear
On be respectively provided with antetheca connecting hole and rear wall connecting hole, there is switch connecting hole on the microswitch, the switch connecting hole,
The antetheca connecting hole and the rear wall connecting hole have common axis, and by connector, successively the company's of wearing antetheca is connected
Hole, the switch connecting hole and the rear wall connecting hole, so that the microswitch is mutually fixably coupled with the switch case.
A kind of preferred embodiment of self-resetting button switch as long overtravel is formed on the bottom surface of the button briquetting
The spring positioning blind hole upwardly extended, it is described be placed in the spring positioning blind hole by the upper end of pressing spring and with the spring
The bottom surface of Blind locating holes leans, and the lower end by pressing spring and the top surface of the microswitch lean.
The top surface of a kind of preferred embodiment of self-resetting button switch as long overtravel, the pressing axle portion is that circular arc is convex
Shape is suitble to crawl operation or driving to keep.
A kind of preferred embodiment of self-resetting button switch as long overtravel, the locating pin bar portion and the button connect
The combination in hole is connect as interference fit.
A kind of preferred embodiment of self-resetting button switch as long overtravel, the locating pin accommodation groove and the positioning
The cross section of nail head is kidney-shaped structure.
A kind of preferred embodiment of self-resetting button switch as long overtravel is formed on the bottom surface of the spring mounting groove
There is the positioning protrusion to raise upward, the upper end of the buffer spring leans with described against annulus, the buffer spring
Lower end is surrounded on the outside of the positioning protrusion and the lower end of the buffer spring and the bottom surface of the spring mounting groove offset.
A kind of preferred embodiment of self-resetting button switch as long overtravel, the button correspond to the spring retention
Slot, the button have pressing axle portion and against annulus, and the pressing axle portion is pierced by upwards from roof perforation, described to press
Be formed with the button connection hole upwardly extended on the bottom surface in last item portion, it is described against annulus be root edge from the pressing axle portion
Begin the annular projection extended radially outward.
Compared with prior art, the beneficial effects of the utility model at least that: have reliable overtravel protection, rely on
The buffering of spring reduces the damage to microswitch push-button；Overtravel is longer simultaneously, has and preferably connects stability；Product ruler
Very little small, light-weight, switching group number is more.
In addition to the utility model described above solve the technical issues of, constitute technical solution technical characteristic and by
Except beneficial effect brought by the technical characteristic of these technical solutions, other technologies problem that the utility model can solve,
The other technical characteristics for including in technical solution and these technical characteristic bring beneficial effects, will make in conjunction with attached drawing into one
Step detailed description.
Detailed description of the invention
Fig. 1 is the structural schematic diagram (decomposing state) of an embodiment of the present invention.
Fig. 2 is the structural schematic diagram (assembled state) of an embodiment of the present invention.
Fig. 3 is the structural schematic diagram (decomposing state) of button assembly in an embodiment of the present invention.
Fig. 4 is the structural schematic diagram of button assembly in an embodiment of the present invention (assembled state does not press).
Fig. 5 is the structural schematic diagram (assembled state, pressing) of button assembly in an embodiment of the present invention.
Specific embodiment
The utility model is described in further detail below by specific embodiment combination attached drawing.It needs herein
It is bright, the explanation of these embodiments is used to help to understand the utility model, but do not constitute the limit to the utility model
It is fixed.In addition, as long as technical characteristic involved in the various embodiments of the present invention described below is each other not
Constituting conflict can be combined with each other.
Referring to Figure 1 with 2, a kind of self-resetting button switch of long overtravel is shown in the figure.The Self-resetting button
Switch is mainly made of components such as switch case 1, microswitch 2 and button assemblies 3.
The switch case 1 has housing front wall 11, housing rear 12 and the connection housing front wall 11 and the shell
The housing top wall 13 of rear wall 12.In inverted " u "-shaped structure.The housing front wall 11, the housing rear 12 and the housing top wall
13 define switch accommodating space jointly.There is roof perforation 130 in the housing top wall 13.The housing front wall 11 and described
Antetheca connecting hole 110 and rear wall connecting hole 120 are respectively provided on housing rear 12.
The microswitch 2 is in the bottom of the switch accommodating space.There is switch connecting hole on the microswitch 2
20.The switch connecting hole 20, the antetheca connecting hole 110 and the rear wall connecting hole 120 have common axis.By work
For the pin successively company's of wearing antetheca connecting hole 110, the switch connecting hole 20 and the rear wall connecting hole 120 of connector 4,
So that the microswitch 2 is fixably coupled with 1 phase of switch case.On the top surface of the microswitch 2 there is switch to press
Key 21.
The button assembly 3 is in the top of the switch accommodating space.
Fig. 3,4 and 5 are referred to, the button assembly 3 is by button 31, buffer spring 32, button briquetting 33, button locating pin
34 and by pressing spring 35 form.
The button briquetting 33 be in the top of the microswitch 2 and with 21 phase of switch key up and down it is corresponding.Institute
It states to have between button briquetting 33 and the microswitch 2 and presses pressing spring 35.Described by pressing spring 35 is vertically arranged.The pressing
Spring 35 is for supporting the button briquetting 33.Under no external force, it is described press pressing spring 35 by the button briquetting 33 with
21 phase of the switch key separation.
It is described by pressing spring 35 in order to position, the spring positioning upwardly extended is formed on the bottom surface of the button briquetting 33
Blind hole.The upper end by pressing spring 35 be placed in the spring positioning blind hole and the upper end by pressing spring 35 with it is described
The bottom surface of spring positioning blind hole leans.And the lower end by pressing spring 35 and the top surface of the microswitch 2 lean.
The spring mounting groove to lower recess is formed on the top surface of the button briquetting 33.The bottom surface of the spring mounting groove
On be formed with the positioning protrusion 330 to raise upward.The locating pin being recessed upwards is also formed on the bottom surface of the button briquetting 33
Accommodation groove.The locating pin perforation for being connected to the spring mounting groove is formed on the bottom surface of the locating pin accommodation groove.
The button 31 corresponds to the spring mounting groove.The button 31 has pressing axle portion 311 and against annulus
312.The pressing axle portion 311 is column structure.The pressing axle portion 311 is vertically arranged.The pressing axle portion 311 is from described
Roof perforation 130 is pierced by upwards.The top surface of the pressing axle portion 311 is circular arc convex, and crawl operation or driving is suitble to keep.Institute
It states and is formed with the button connection hole upwardly extended on the bottom surface of pressing axle portion 311.It is described against annulus 312 be from the pressing
The annular projection that the root edge beginning of axle portion 311 extends radially outward.
The buffer spring 32 is placed in the spring mounting groove.The buffer spring 32 is vertically arranged.It is described slow
Spring 32 is rushed for supporting the button 31.The upper end of the buffer spring 32 leans with described against annulus 312, described
The lower end of buffer spring 32 is surrounded on the outside of the positioning protrusion 330 and the lower end of the buffer spring 32 and the spring hold
The bottom surface for setting slot leans.Under no external force, the buffer spring 32 is positioned at the bullet against annulus 311 for described
The upper limb position of spring accommodation groove.
The button locating pin 34 has positioning nail head and locating pin bar portion.The positioning nail head is in the positioning
It follows closely in accommodation groove.Begin to upwardly extend in the top surface of the locating pin bar portion from the positioning nail head.The pressing axle portion 311, institute
Stating locating pin bar portion, locating pin perforation and the button connection hole has common axis.The locating pin bar portion first to
On across the locating pin perforate, after extend into the button connection hole.The locating pin bar portion and the button connection hole phase
It is fixably coupled, such as, using elastic conjunction.Both the locating pin accommodation groove and the button locating pin 34 are sent out in order to prevent
Raw to relatively rotate, the cross section of the locating pin accommodation groove and the positioning nail head is kidney-shaped structure.
The course of work: the button 31 is pressed down on by external force, the button 31 is driven by the buffer spring 32
The button briquetting 33 moves down.In the folding process of the button briquetting 33, the button briquetting 33 gradually reduces described press
Pressing spring 35 realizes switch conversion up to driving the switch key 21 of the microswitch 2 to move down with this.Then, continue
The button 31 is pressed down on, the switch key 21 is displaced downwardly to total travel stopping, and the button briquetting 33 keeps in situ motionless,
And the button 31 continues to move down.In the continuation folding process of the button 31, the button 31 compresses the buffer spring
32 until its described annular abutment portion 312 and the positioning protrusion 330.Entire pressing process is completed.
Discharge the button 31, since external force is revoked, it is described by pressing spring 35 and the buffer spring 32 can automatically by
It gradually replys, and drives the button 31 and the button briquetting 33 to move up until returning back to original state.Entire release process is complete
At.
Only express the embodiments of the present invention above, the description thereof is more specific and detailed, but and cannot therefore and
It is interpreted as the limitation to utility model patent range.It should be pointed out that for those of ordinary skill in the art, not
Under the premise of being detached from the utility model design, various modifications and improvements can be made, these belong to the guarantor of the utility model
Protect range.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (5)
1. a kind of self-resetting button switch of long overtravel, which is characterized in that include,
Switch case, the shell top with housing front wall, housing rear and the connection housing front wall and the housing rear
Wall, the housing front wall, the housing rear and the housing top wall define switch accommodating space, the housing top wall jointly
It is upper that there is roof perforation；
Microswitch has switch key on the top surface of the microswitch in the bottom for switching accommodating space；With
And
Button assembly, the top in the switch accommodating space, the button assembly is by button, buffer spring, button pressure
Block, button locating pin and pressing spring composition, the button briquetting are in the top of the microswitch and press with the switch
Key phase is corresponding up and down, has the pressing bullet for supporting the button briquetting between the button briquetting and the microswitch
Spring is formed with the spring mounting groove to lower recess on the top surface of the button briquetting, has in the spring mounting groove for branch
The buffer spring of the button is held, the locating pin accommodation groove being recessed upwards, institute are formed on the bottom surface of the button briquetting
It states and is formed with the locating pin for being connected to spring mounting groove perforation on the bottom surface of locating pin accommodation groove, the button locating pin has
Positioning nail head and locating pin bar portion, the positioning nail head are in the locating pin accommodation groove, and the locating pin bar portion is certainly
The top surface of the positioning nail head begins to upwardly extend, and is first upward through locating pin perforation, after extend into button connection hole, institute
Locating pin bar portion is stated mutually to be fixably coupled with the button connection hole.
2. a kind of self-resetting button switch of long overtravel according to claim 1, which is characterized in that the housing front wall
And antetheca connecting hole and rear wall connecting hole are respectively provided on the housing rear, there is switch connecting hole on the microswitch,
The switch connecting hole, the antetheca connecting hole and the rear wall connecting hole have common axis, successively wear by connector
Even the antetheca connecting hole, the switch connecting hole and the rear wall connecting hole, so that the microswitch and the switch housing
Body is mutually fixably coupled.
3. a kind of self-resetting button switch of long overtravel according to claim 1, which is characterized in that the button briquetting
Bottom surface on be formed with the spring positioning blind hole upwardly extended, it is described to be placed in the spring positioning blind hole by the upper end of pressing spring
It is interior and lean with the bottom surface of the spring positioning blind hole, and the top surface phase of the lower end by pressing spring and the microswitch
Against.
4. a kind of self-resetting button switch of long overtravel according to claim 1, which is characterized in that the positioning nail rod
The combination of portion and the button connection hole is interference fit.
5. a kind of self-resetting button switch of long overtravel according to claim 1, which is characterized in that the locating pin is held
The cross section for setting slot and the positioning nail head is kidney-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721710069.9U CN208256545U (en) | 2017-12-11 | 2017-12-11 | A kind of self-resetting button switch of long overtravel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721710069.9U CN208256545U (en) | 2017-12-11 | 2017-12-11 | A kind of self-resetting button switch of long overtravel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208256545U true CN208256545U (en) | 2018-12-18 |
Family
ID=64619620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721710069.9U Active CN208256545U (en) | 2017-12-11 | 2017-12-11 | A kind of self-resetting button switch of long overtravel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208256545U (en) |
-
2017
- 2017-12-11 CN CN201721710069.9U patent/CN208256545U/en active Active
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| GR01 | Patent grant |