CN207731843U - A kind of self-resetting button switch that PCB is welded and fixed - Google Patents
A kind of self-resetting button switch that PCB is welded and fixed Download PDFInfo
- Publication number
- CN207731843U CN207731843U CN201721708809.5U CN201721708809U CN207731843U CN 207731843 U CN207731843 U CN 207731843U CN 201721708809 U CN201721708809 U CN 201721708809U CN 207731843 U CN207731843 U CN 207731843U
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- Prior art keywords
- microswitch
- button
- movable holddown
- push button
- hole
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Abstract
The utility model discloses a kind of self-resetting button switch that PCB is welded and fixed, and includes, fixed shell；Button parts are formed with the combined hole being recessed upwards with push button shaft and button axle sleeve on the bottom surface of the push button shaft；Movable holddown, is in the lower section of the push button shaft, and the perforation pilot hole has common axis with the combined hole；Buffer spring, between the push button shaft and the movable holddown；By nail pressing, passes through the perforation pilot hole from bottom to top, extend into the combined hole；Microswitch is in the lower section of the movable holddown；And by pressing spring, between the movable holddown and the microswitch.The beneficial effects of the utility model are：It is protected with reliable overtravel, the damage to microswitch push-button is reduced by the buffering of spring；Product size is small, light-weight, and switching group number is more.
Description
Technical field
The utility model is related to a kind of self-resetting button switch that PCB is welded and fixed.
Background technology
The pin of traditional self-resetting button switch is fixed by welding lead, then conducting wire is transmitted to the other end（Such as PCB
Plate, electric connector etc.）.Have the equipment of certain tight space requirements past some aviation cockpit control stick, throttle levers etc.
It is past to select.Therefore the improvement in structure is urgently carried out to existing self-resetting button switch.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of self-resetting button switch that PCB is welded and fixed.
In order to realize the purpose, the technical solution of the utility model is as follows：A kind of Self-resetting button that PCB is welded and fixed
It switchs, includes,
Fixed shell is formed with roof and passes through hole with housing top wall and housing sidewall in the housing top wall, described
There is laterally extending positioning protrusion, the positioning protrusion to be used to coordinate the positioning shrinkage pool of pcb board in housing sidewall；
Button parts, have across the push button shaft and top in the housing top wall for passing through hole in the roof and
The button axle sleeve being surrounded on the outside of the push button shaft is formed with the combined hole being recessed upwards on the bottom surface of the push button shaft；
Movable holddown, be in the lower section of the push button shaft, is formed on the top surface of the movable holddown and extends downwardly
Accommodating annular groove and perforation pilot hole, the perforation pilot hole have common axis with the combined hole；
Buffer spring is between the push button shaft and the movable holddown, the upper end of the buffer spring and the work
The bottom surface of dynamic pressure block offsets, and the lower end of the buffer spring is placed in the accommodating annular groove and under the buffer spring
The bottom surface with the accommodating annular groove is held to offset；
By nail pressing, passes through the perforation pilot hole from bottom to top, extend into the combined hole；
Microswitch, is in the lower section of the movable holddown, and the microswitch has leading-out terminal, the exit
Son begins laterally extending from the bottom surface of the microswitch；And
By pressing spring, between the movable holddown and the microswitch, the upper end by pressing spring with it is described
The bottom surface of movable holddown offsets, between the lower end and the top surface of the microswitch by pressing spring.
The top surface of the push button shaft is formed with the cambered surface groove being bonded with finger.
There is insulation spacer on the leading-out terminal.
Compared with prior art, the beneficial effects of the utility model at least that：It is welded and fixed using pcb board, by shell
Bending flange provides mechanical protection, can be used for the mounting location of tight space.Meanwhile it with the protection of reliable overtravel, relying on
The buffering of spring reduces the damage to microswitch push-button；Product size is small, light-weight, and switching group number is more.
The technical issues of being solved in addition to the utility model described above, constitute technical solution technical characteristic and by
Except advantageous effect caused by the technical characteristic of these technical solutions, other technologies problem that the utility model can solve,
The advantageous effect that the other technical characteristics for including in technical solution and these technical characteristics are brought will be made in conjunction with attached drawing into one
Step detailed description.
Description of the drawings
Fig. 1 is the structural schematic diagram of one embodiment of the utility model（Decomposing state）.
Fig. 2 is the structural schematic diagram of one embodiment of the utility model（Assembled state）.
Fig. 3 is the structural schematic diagram at index dial in one embodiment of the utility model.
Specific implementation mode
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
Conflict is constituted to can be combined with each other.
Refer to Fig. 1, shown in a kind of self-resetting button switch being welded and fixed with PCB, include mainly button set
1, shell 2, button 3, buffer spring 4, briquetting 5, insulation spacer 6, press nail pressing 10, rivet 7, microswitch 8, press pressing spring 9；It presses
3 head of button is in finger-type groove, provides the feel of fitting finger shape.3 outer end of button is cased with button set 1.Button covers 1 lower end and is equipped with
Round boss is connected with the round hole of shell 2, and contact site is fixed equipped with epoxy glue solution.2 one side of shell digs three altogether
Place's bending edges play positioning action for connecting external pcb board.3 lower face of button is cased with buffer spring 4, for limiting buffering
Spring 4 moves upwards, and has round boss in lower face, the longitudinal movement for limiting buffer spring 4.Inside 5 upper surface of briquetting
There is an annular groove, for placing buffer spring 4, limit its downward and longitudinal movement, briquetting has a groove inside 5 lower face,
Nail pressing 10 is pressed for placing.There are a chamfering, 3 bottom of button to there is a groove, the two installation to use elastic conjunction by 10 head of nail pressing.
Microswitch 8 is set there are three leading-out terminal, and terminal is inserted in bending and molding twice in 6 hole of insulation spacer.2 lower end of shell is equipped with 4
A through-hole, for penetrating rivet 7；The mounting hole and the peace of insulation spacer 6 for also having 6 microswitches 8 of rivet 7 are penetrated together
Fill hole.Pressing spring 9 is cased in the hole of 5 lower end of briquetting, by the lower end in contact microswitch 8 of pressing spring 9.
It is shown in Figure 2, button 3 is pressed, button 3 drives buffer spring 4, buffer spring 4 that briquetting 5, briquetting 5 is driven to drive
It is compressed by pressing spring 9, briquetting 5 is made to be pressed into 8 button of microswitch, realize circuit conversion, then proceed to pressing button 3, fine motion
8 button motion of switch to total travel stops, and hereafter button 3 drives buffer spring 4 to compress, until 3 bottom boss of button and briquetting 5
Boss under the annular groove of upper end develops together, and pressing is completed.Release button is gradually discharged, most by pressing spring 9 and buffer spring 4
After restore to original state.
Shown in Figure 3,8 each bending terminal of microswitch is drawn by insulation spacer 6, is directly welded with PCB, and pass through
Bending edges mechanical fasteners at the three of the fold of shell 2.
Only express the embodiment of the utility model 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 protection domain of the utility model patent should be determined by the appended claims.
Claims (3)
1. a kind of self-resetting button switch that PCB is welded and fixed, which is characterized in that include,
Fixed shell is formed with roof and passes through hole, the shell with housing top wall and housing sidewall in the housing top wall
There is laterally extending positioning protrusion, the positioning protrusion to be used to coordinate the positioning shrinkage pool of pcb board on side wall；
Button parts have across the push button shaft and top in the housing top wall for passing through hole in the roof and surround
Button axle sleeve on the outside of the push button shaft is formed with the combined hole being recessed upwards on the bottom surface of the push button shaft；
Movable holddown, is in the lower section of the push button shaft, be formed on the top surface of the movable holddown extend downwardly it is accommodating
Annular groove and perforation pilot hole, the perforation pilot hole have common axis with the combined hole；
Buffer spring, between the push button shaft and the movable holddown, the upper end of the buffer spring is pressed with the activity
The bottom surface of block offsets, the lower end of the buffer spring be placed in the accommodating annular groove and the lower end of the buffer spring with
The bottom surface of the accommodating annular groove offsets；
By nail pressing, passes through the perforation pilot hole from bottom to top, extend into the combined hole；
Microswitch is in the lower section of the movable holddown, and the microswitch has leading-out terminal, and the leading-out terminal is certainly
Begin laterally extending in the bottom surface of the microswitch；And
It by pressing spring, is between the movable holddown and the microswitch, the upper end by pressing spring and the activity
The bottom surface of briquetting offsets, between the lower end and the top surface of the microswitch by pressing spring.
2. the self-resetting button switch that a kind of PCB according to claim 1 is welded and fixed, which is characterized in that the button
The top surface of axis is formed with the cambered surface groove being bonded with finger.
3. the self-resetting button switch that a kind of PCB according to claim 1 is welded and fixed, which is characterized in that the extraction
There is insulation spacer on terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721708809.5U CN207731843U (en) | 2017-12-11 | 2017-12-11 | A kind of self-resetting button switch that PCB is welded and fixed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721708809.5U CN207731843U (en) | 2017-12-11 | 2017-12-11 | A kind of self-resetting button switch that PCB is welded and fixed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207731843U true CN207731843U (en) | 2018-08-14 |
Family
ID=63098139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721708809.5U Active CN207731843U (en) | 2017-12-11 | 2017-12-11 | A kind of self-resetting button switch that PCB is welded and fixed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207731843U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904021A (en) * | 2017-12-11 | 2019-06-18 | 上海航空电器有限公司 | A kind of self-resetting button switch of long overtravel |
-
2017
- 2017-12-11 CN CN201721708809.5U patent/CN207731843U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109904021A (en) * | 2017-12-11 | 2019-06-18 | 上海航空电器有限公司 | A kind of self-resetting button switch of long overtravel |
| CN109904021B (en) * | 2017-12-11 | 2024-07-12 | 上海航空电器有限公司 | Long-over-travel self-resetting button switch |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |