CN110148540A - A kind of travel switch - Google Patents
A kind of travel switch Download PDFInfo
- Publication number
- CN110148540A CN110148540A CN201910438316.1A CN201910438316A CN110148540A CN 110148540 A CN110148540 A CN 110148540A CN 201910438316 A CN201910438316 A CN 201910438316A CN 110148540 A CN110148540 A CN 110148540A
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- CN
- China
- Prior art keywords
- button
- spring
- contact
- piece
- support rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000000712 assembly Effects 0.000 claims abstract description 14
- 238000000429 assembly Methods 0.000 claims abstract description 14
- 238000005452 bending Methods 0.000 claims description 38
- 241000773945 Trimusculidae Species 0.000 claims description 22
- 210000005069 ears Anatomy 0.000 claims description 19
- 239000010935 stainless steel Substances 0.000 claims description 19
- 229910001220 stainless steel Inorganic materials 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 239000010960 cold rolled steel Substances 0.000 claims description 5
- 238000004080 punching Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 238000000338 in vitro Methods 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- 230000035882 stress Effects 0.000 description 5
- 238000003825 pressing Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/04—Cases; Covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/04—Cases; Covers
- H01H13/06—Dustproof, splashproof, drip-proof, waterproof or flameproof casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/20—Driving mechanisms
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/52—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch
- H01H2013/525—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell-push switch using a return spring acting perpendicular to the actuating direction
Abstract
The present invention provides a kind of travel switches, solve existing travel switch contact and are easy to happen damage, and product bulk life time is lower, and the problem that existing travel switch volume is larger.Travel switch of the invention includes upper end cap assemblies, action component, fixed column, lower cover, thread barrel, locking assembly.The present invention extends the service life of travel switch, reduces the disqualification rate of part production, has saved cost, improved the consistency and reliability of global switch.
Description
Technical field
The invention belongs to travel switch technical field, in particular to a kind of travel switch.
Background technique
Existing travel switch largely cannot achieve indexs, the contacts such as intensity is high, resistance to environment capacity is strong and be easy to happen damage
Bad, product bulk life time is lower, and existing travel switch volume is larger.
Summary of the invention
In order to solve the above technical problem, the present invention provides the strong rows of a kind of small in size, long service life, resistance to environment capacity
Cheng Kaiguan.
In order to achieve the above object, the present invention adopts the following technical scheme: a kind of travel switch, the trip switch include upper
End-cap assembly, action component, fixed column, lower cover, thread barrel, locking assembly;Upper end cap assemblies include upper end cover, button group
Part, the upper end cover center are equipped with through-hole, and in through hole, rolling has button assembly, and riveting respectively in button assembly two sides has fixation
Column, fixed column are placed in upper end cover internal cavity, and the upper end inner circumferential of fixed column is equipped with internal screw thread, for being connected with interfacing part
It connects, the lower end of fixed column is equipped with external screw thread, and button assembly is vertically mounted on upper end cover, and the action component is mounted on upper end cover
In internal cavity, the switching of contact on off operating mode is realized in button assembly and action component cooperation, and two fixed column lower ends pass through movement
It component and it is connected through a screw thread mode respectively with two thread barrels being placed in lower cover fixes, action component is fixedly clamped
In upper end cap assemblies and lower cover, the lower end of two thread barrels passes through locking assembly respectively and fixes with lower cover, by upper end cover
Component is fixed with lower cover.
Further, the button assembly include button, second spring, third spring, bushing, retaining ring, internal tooth gasket,
Stainless steel washer, rubbery flat gasket circle, seal washer and insulating part;
The button includes button shell, retainer ring, shoe contact body, the first spring;The button enclosure interior cavity dress
There is the first spring, the lower end of the first spring is set with shoe contact body, and shoe contact body upper end is placed in button enclosure interior cavity
In, shoe contact body lower end periphery is processed into screw thread, and insulating part is fixed by being threaded into shoe contact body lower end, play by
The insulating effect of button is equipped with retainer ring between button housing bottom and shoe contact body, button shell bottom edge inwardly rivets,
Retainer ring, which holds shoe contact body, prevents it from skidding off from button shell;
Button is placed in bush inside with vertical direction and insulating part downward, and the bushing is riveted in upper end cover through-hole, lining
Set is provided with the second spring being arranged concentrically and third spring, and second spring and third spring pocket are mounted in button periphery, button shell
External Zhou Shangduan is equipped with groove, and internal tooth gasket clamps in a groove, the lower surface of internal tooth gasket and second spring and third spring
Tip contact, be set with stainless steel washer the button shell external week above internal tooth gasket, the inner circumferential of bushing is equipped with convex annular
Platform, stainless steel washer are placed in above annular convex platform, are successively arranged rubbery flat gasket circle and seal washer, rubber above stainless steel washer
Glue plain washer and seal washer are set in that button shell is all in vitro, and the top of seal washer is equipped with retaining ring, retaining ring suit
It is crimped together in button shell external week and in a manner of interference with bushing 1-2-4;
When downward button press, button drives internal tooth gasket to compress second spring and third spring downwards, when release button,
Second spring and third spring bounce, and restore button and internal tooth gasket to home position;
Further, the action component includes lower case, ears gasket, contact chip, compresses piece, the first binding post, the
Two binding posts 6, third binding post, the first square nut, the second square nut, third square nut, the first rivet, H3 overlap joint
Piece, HP bonding jumper, support rod and the 4th spring;The lower case is placed in upper end cover, and the lower case is the circle of upper opening
Cylinder, in cylinder, bottom center is downwardly extending protrusion, circular groove is equipped at protrusion center, in circular groove
Lower section is equipped with the rectangle limiting slot of vertical direction setting, and two sides are respectively equipped with first boss and second convex inside cylinder
Platform is respectively perpendicular in first boss and is equipped with the first binding post and the second binding post, is respectively perpendicular and is equipped in second boss
Third binding post and the first rivet, the ears gasket of "Ji" type is equipped with 2 circular through holes, and 2 circular through holes cover respectively
On the first binding post and the first rivet, ears gasket is mounted on above first boss and second boss, in ears gasket
Top is equipped with compression piece, tightens fixation using the first square nut on the first binding post, the first rivet by ears gasket and
It compresses piece riveting securely, H3 bonding jumper is installed on the second binding post and fixation is tightened using the second square nut, third connects
HP bonding jumper is installed on terminal and fixation is tightened using third square nut, there is sky between H3 bonding jumper and HP bonding jumper
Gap, the tail end of contact chip, which is mounted on, to be compressed between piece and the groove of the ears of falling "Ji" type gasket;The lower end of support rod is placed in square
In shape limiting slot, the upper end of support rod is pierced by compress piece and be compacted piece and block, and compresses the support rod periphery below piece and is set with
4th spring, tail end and the support rod of contact chip are fixed, and support rod is as the reciprocating motion of the 4th spring is in rectangle limiting slot
Lower movement in vertical direction is realized so that the front end with moving contacting plate moves up and down between H3 bonding jumper and HP bonding jumper
The front end of contact chip is contacted with H3 bonding jumper or HP bonding jumper contacts.
Further, the compression piece includes that T-type compresses piece ontology, and the tail end middle section for compressing piece ontology is equipped with vertically
Downward bending body, bend body bottom end be equipped with convex block, compress piece ontology front end be equipped be used to support bar top be pierced by it is interior
Week has the square through hole of fillet;
Further, the support rod generally rectangular plate-like is respectively equipped with protrusion in the top two sides of rectangular slab, two
Rectangular slab between a protrusion is equipped with rectangular aperture, and the arranged on left and right sides in rectangular aperture is respectively equipped with square groove;
Supporting bar top is pierced by the square through hole for compressing piece, compresses piece and is placed in two raised tops, the 4th spring suit
In the circular groove for being vertically arranged in lower case on the support rod below two protrusions and together, and the lower end of support rod is placed in
In rectangle limiting slot, support rod vertically moves up and down in rectangle limiting slot with the reciprocating motion of the 4th spring;
Further, the contact chip includes the contact chip ontology of rectangular box, and the rear end of contact chip ontology is equipped with first
Circular through hole, the convex block for compressing piece are placed in the movement of limitation contact chip in circular through hole, and the tail end inside of contact chip ontology is intermediate
Position extends to form " convex " font connection sheet forwards, and it is curved that the two sides long side corresponding position bending of rectangular box forms first twice
Folding part and the second bending part, the front end of contact chip ontology are equipped with the second circular through hole, are equipped with the second riveting in the second circular through hole
Nail, and protruding portion is extended to form forwards in the second circular through hole front tab ontology middle position, guarantee that contact chip exists
Lateral displacement does not occur in lower case;The minimum point of first bending part offsets with cylinder bottom surface, the vertex of the first bending part with
The lower surface for compressing piece offsets, and the front end of " convex " font connection sheet is placed in the square groove in support rod rectangular aperture, button
When not applying pressure, the front end of the second bending part and contact chip ontology tilts upwards, and the front end of contact chip ontology is placed in H3
Gap between bonding jumper and HP bonding jumper, and the second rivet is in contact with HP bonding jumper lower surface, button down is pressed, support
" convex " the font connection sheet of the related contact chip ontology of bar stress together, support rod vertical downward movement in rectangle limiting slot,
" convex " font connection sheet front end subject to downward force for driving the second bending part and contact ontology moves downward together, contacts
Second rivet of piece ontology front end and H3 bonding jumper are detached from, when push button moves downwardly to range, at this moment support rod
Top it is parallel with plane where the square through hole for compressing on piece, at this point, the second rivet is in contact with H3 bonding jumper upper surface,
Complete the switching of contact.
Further, the locking assembly includes full lock-screw, plain washer and elastic washer, the full lock-screw
The end of thread is vertically mounted in lower cover, and is matched with the screw thread of thread barrel and fixed full lock-screw with thread barrel, is put down
Washer and elastic washer are mounted between lower cover and full lock-screw.And in outside by full lock-screw 0.5 stainless steel of φ
Fuse plays insurance.
Further, the first O-ring seal is installed between the upper end cover and the lower case of action component, in upper end
The second O-ring seal is installed between lid and lower cover.
Further, the contact chip is made of stainless steel cold-rolled steel band 07Cr17Ni7Al punching press and bending.
Compared with prior art, the invention has the following beneficial effects: button assemblies and action component through the invention
Structure design, button periphery is provided with two concentric springs in button assembly, enhances the operating flexibility of button assembly, together
When contact chip of the present invention be made of stainless steel cold-rolled steel band 07Cr17Ni7Al punching press and bending, it is not easy to damage, enhance row
Requirement of the Cheng Kaiguan to service life, the fixed form between upper end cap assemblies and lower cover, action component, reduces product body
Product, and the first O-ring seal is installed between upper end cover and the lower case of action component, between upper end cover and lower cover
Second O-ring seal is installed, the resistance to environment capacity of product is enhanced, product is made to be suitable for more harsher use conditions.This
Invention reduces the disqualification rate of part production, has saved cost, has improved the consistency and reliability of global switch.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is the cross-sectional view of Fig. 1;
Fig. 3 is the structural schematic diagram of button assembly;
Fig. 4 is the structural schematic diagram of button;
Fig. 5 is the structural schematic diagram of action component;
Fig. 6 is the half-section diagram of Fig. 5;
Fig. 7 is the structural schematic diagram of contact chip;
Fig. 8 is the structural schematic diagram for compressing piece;
Fig. 9 is the structural schematic diagram of support rod;
Figure 10 is the structural schematic diagram for controlling CA cable assembly;
Figure 11 is travel switch and control CA cable assembly overall structure diagram;
In figure: the cap assemblies of the upper end 1-;2- action component;3- fixed column;4- lower cover;5- thread barrel;6- locking assembly;7-
First O-ring seal;The second O-ring seal of 8-;The first cable of 9-;The second cable of 10-;11- third cable;
1-1- upper end cover;1-2- button assembly;1-2-1- button;1-2-1-1- button shell;1-2-1-2- retainer ring;1-2-
1-3- shoe contact body;The first spring of 1-2-1-4-;1-2-1-5- groove;1-2-2- second spring;1-2-3- third spring;1-
2-4- bushing;1-2-4-1- annular convex platform;1-2-5- retaining ring;1-2-6- internal tooth gasket;The stainless steel washer of 1-2-7-;1-2-8-
Rubbery flat gasket circle;1-2-9- seal washer;1-2-10- insulating part;
2-1- lower case;2-1-1- protrusion;2-1-2- circular groove;2-1-3- rectangle limiting slot;2-1-4- first is convex
Platform;2-1-5- second boss;2-2- ears gasket;2-3- contact chip;2-4- compresses piece;The first binding post of 2-5-;2-6- second
Binding post;2-7- third binding post;The first square nut of 2-8-;The second square nut of 2-9-;2-10- third square nut;2-
The first rivet of 11-;2-12-H3 bonding jumper;2-13-HP bonding jumper;2-14- support rod;The 4th spring of 2-15-;
2-3-1- contact chip ontology;2-3-2- " convex " font connection sheet;The first bending part of 2-3-3-;2-3-4- second is bent
Portion;The second circular through hole of 2-3-5-;The second rivet of 2-3-6-;2-3-7- protruding portion;The first circular through hole of 2-3-8-;
2-4-1-T type compresses piece ontology;2-4-2- bends body;2-4-3- convex block;2-4-4- square through hole;
2-14-1- protrusion;2-14-2- rectangular aperture;2-14-3- square groove.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment
- Fig. 2 referring to Fig.1, a kind of travel switch, the trip switch include upper end cap assemblies, action component 2, fixed column 3,
Lower cover 4, thread barrel 5, locking assembly 6;Upper end cap assemblies include upper end cover 1-1 and button assembly 1-2, the upper end cover 1-1
Center is equipped with through-hole, and in through hole, rolling has button assembly 1-2, and riveting respectively in the two sides button assembly 1-2 has fixed column 3, Gu
Fixed column 3 is placed in upper end cover 1-1 internal cavity, and the upper end inner circumferential of fixed column 3 is equipped with internal screw thread, for being connected with interfacing part
It connects, the lower end of fixed column 3 is equipped with external screw thread, and button assembly 1-2 is vertically mounted on upper end cover 1-1, and the action component 2 is installed
In upper end cover 1-1 internal cavity, the switching of contact on off operating mode, two fixations are realized in button assembly 1-2 and the cooperation of action component 2
3 lower end of column passes through action component 2 and is connected through a screw thread mode respectively with two thread barrels 5 being placed in lower cover 4 and fixes,
Action component 2 is fixedly clamped in upper end cap assemblies and lower cover 4, the lower end of two thread barrels 5 passes through locking assembly 6 respectively
It is fixed with lower cover 4, upper end cap assemblies and lower cover 4 are fixed.
Referring to Fig. 3, the button assembly 1-2 includes button 1-2-1, second spring 1-2-2, third spring 1-2-3, bushing
1-2-4, retaining ring 1-2-5, internal tooth gasket 1-2-6, stainless steel washer 1-2-7, rubbery flat gasket circle 1-2-8, seal washer 1-2-9
With insulating part 1-2-10;
Referring to Fig. 4, the button 1-2-1 includes button shell 1-2-1-1, retainer ring 1-2-1-2, shoe contact body 1-2-1-
3, the first spring 1-2-1-4;The button shell 1-2-1-1 internal cavities are equipped with the first spring 1-2-1-4, the first spring 1-2-
The lower end of 1-4 is set with shoe contact body 1-2-1-3, and the upper end shoe contact body 1-2-1-3 is placed in inside button shell 1-2-1-1
In cavity, shoe contact body 1-2-1-3 lower end periphery is processed into M2 screw thread, and insulating part 1-2-10 is connect by being threaded into sliding block
Contact 1-2-1-3 is fixed lower end, plays the insulating effect of button, the button bottom end shell 1-2-1-1 and shoe contact body 1-2-1-3
Between retainer ring 1-2-1-2 is installed, button shell 1-2-1-1 bottom edge inwardly rivets, and retainer ring 1-2-1-2 holds shoe contact
Body 1-2-1-3 prevents it from skidding off from button shell 1-2-1-1;
Button 1-2-1 is placed in inside bushing 1-2-4 downward with vertical direction and insulating part 1-2-10, the bushing 1-2-4
It being riveted in upper end cover 1-1 through-hole, bushing 1-2-4 is provided with the second spring 1-2-2 being arranged concentrically and third spring 1-2-3,
Second spring 1-2-2 and third spring 1-2-3 is sleeved on the periphery button 1-2-1, and the button periphery shell 1-2-1-1 upper end is equipped with recessed
Slot 1-2-1-5, internal tooth gasket 1-2-6 are installed in groove 1-2-1-5, the lower surface of internal tooth gasket 1-2-6 and second spring 1-
The tip contact of 2-2 and third spring 1-2-3, the periphery button shell 1-2-1-1 above internal tooth gasket 1-2-6 are set with not
Become rusty steel washer 1-2-7, and the inner circumferential of bushing 1-2-4 is equipped with annular convex platform 1-2-4-1, and stainless steel washer 1-2-7 is placed in annular convex platform
Above 1-2-4-1, rubbery flat gasket circle 1-2-8 and seal washer 1-2-9, rubber are successively arranged above stainless steel washer 1-2-7
Plain washer 1-2-8 and seal washer 1-2-9 is set in the periphery button shell 1-2-1-1, sets above seal washer 1-2-9
There are retaining ring 1-2-5, retaining ring 1-2-5 to be sleeved on the button periphery shell 1-2-1-1 and press in a manner of interference with bushing 1-2-4
It is connected together;
When downward button press 1-2-1, button 1-2-1 drive internal tooth gasket 1-2-6 compress downwards second spring 1-2-2 and
When third spring 1-2-3, release button 1-2-1, second spring 1-2-2 and third spring 1-2-3 are bounced, make button 1-2-1 with
Internal tooth gasket 1-2-6 restores to home position;
Referring to Fig. 5-Fig. 6, the action component 2 includes lower case 2-1, ears gasket 2-2, contact chip 2-3, compresses piece 2-
4, the first binding post 2-5, the second binding post 2-6, third binding post 2-7, the first square nut 2-8, the second square nut 2-9,
Third square nut 2-10, first rivet 2-11, H3 bonding jumper 2-12, HP bonding jumper 2-13, support rod 2-14 and the 4th spring
2-15;The lower case 2-1 is placed in upper end cover 1-1, and the lower case 2-1 is the cylinder of upper opening, at cylinder bottom
Face center is downwardly extending protrusion 2-1-1, circular groove 2-1-2 is equipped at the center protrusion 2-1-1, in circular groove 2-
The lower section of 1-2 is equipped with the rectangle limiting slot 2-1-3 of vertical direction setting, and two sides are respectively equipped with first boss inside cylinder
It is respectively perpendicular on 2-1-4 and second boss 2-1-5, first boss 2-1-4 and the first binding post 2-5 and the second binding post 2- is installed
6, it is respectively perpendicular on second boss 2-1-5 and third binding post 2-7 and the first rivet 2-11 is installed, the ears of "Ji" type
Gasket 2-2 is equipped with 2 circular through holes, and 2 circular through holes are set on the first binding post 2-5 and the first rivet 2-11,
Ears gasket 2-2 is mounted on above first boss 2-1-4 and second boss 2-1-5, pressure is installed above ears gasket 2-2
Tight piece 2-4 tightens fixation using the first square nut 2-8 on the first binding post 2-5, and the first rivet 2-11 is by ears gasket 2-
2 and compression piece 2-4 riveting securely, H3 bonding jumper 2-12 is equipped on the second binding post 2-6 and uses the second square nut 2-9
Fixation is tightened, HP bonding jumper 2-13 is installed on third binding post 2-7 and fixation is tightened using third square nut 2-10, H3 takes
There is gap, the tail end of contact chip 2-3, which is mounted on, compresses piece 2-4 and "Ji" type between contact pin 2-12 and HP bonding jumper 2-13
Between the groove of ears gasket 2-2;The lower end of support rod 2-14 is placed in rectangle limiting slot, and the upper end of support rod 2-14 is pierced by pressure
Tight piece 2-4 is simultaneously compacted piece 2-4 and blocks, and compresses the periphery support rod 2-14 below piece 2-4 and is set with the 4th spring 2-15, contacts
The tail end of piece 2-3 is fixed with support rod 2-14, and support rod 2-14 is as the reciprocating motion of the 4th spring 2-15 is in rectangle limiting slot
Inherent vertical direction moves up and down, so that the front end with moving contacting plate 2-3 moves up and down between H3 bonding jumper and HP bonding jumper,
Realize that the front end of contact chip 2-3 is contacted with H3 bonding jumper or HP bonding jumper contacts.
It include that T-type compresses piece ontology 2-4-1 referring to Fig. 8, the compression piece 2-4, among the tail end for compressing piece ontology 2-4-1
Part is equipped with bending body 2-4-2 vertically downward, and the bottom end of bending body 2-4-2 is equipped with convex block 2-4-3, compresses piece ontology 2-4-1
Front end be equipped with and be used to support the square through hole 2-4-4 that inner circumferential that the top bar 2-14 is pierced by has fillet;
Referring to Fig. 9, the support rod 2-14 generally rectangular plate-like is respectively equipped with raised 2- in the top two sides of rectangular slab
14-1 is equipped with rectangular aperture 2-14-2 on the rectangular slab between two protrusion 2-14-1, a left side in rectangular aperture 2-14-2,
Right two sides are respectively equipped with the square groove 2-14-3 with fillet;
The top support rod 2-14 is pierced by the square through hole 2-4-4 for compressing piece 2-4, compresses piece 2-4 and is placed in two protrusion 2-14-
1 top, the 4th spring 2-15 are sleeved on the support rod 2-14 below two protrusion 2-14-1 and are vertically arranged in lower casing together
In the circular groove 2-1-2 of body 2-1, and the lower end of support rod 2-14 is placed in rectangle limiting slot 2-1-3, support rod 2-14 with
The reciprocating motion of the 4th spring 2-15 vertically move up and down in rectangle limiting slot 2-1-3;
Referring to Fig. 7, the contact chip 2-3 includes the contact chip ontology 2-3-1 of rectangular box, and the rear end of contact chip ontology is set
There is the first circular through hole 2-3-8, the convex block 2-4-3 for compressing piece is placed in the movement of limitation contact chip in circular through hole 2-3-8, contact
Middle position extends to form " convex " font connection sheet 2-3-2, the two sides of rectangular box forwards on the inside of the tail end of piece ontology 2-3-1
The bending of long side corresponding position forms the first bending part 2-3-3 and the second bending part 2-3-4 twice, the first bending part 2-3-3 be to
The linear type of front end inclined downward, the second bending part are " Λ " type, pass through flat segments between the first bending part and the second bending part
Connection, the front end of contact chip ontology 2-3-1, which is equipped in the second circular through hole 2-3-5, the second circular through hole 2-3-5, is equipped with second
Rivet 2-3-6, and protruding portion 2- is extended to form forwards in the second circular through hole 2-3-5 front tab ontology middle position
3-7 guarantees that lateral displacement does not occur in lower case for contact chip 2-3;The minimum point of first bending part 2-3-3 and cylinder bottom surface
It offsets, the vertex of the first bending part 2-3-3 offsets with the lower surface for compressing piece 2-4, and the front end of " convex " font connection sheet 2-3-2 is set
In the square groove in support rod rectangular aperture, when button 1-2-1 does not apply pressure, the second bending part 2-3-4 and contact
The front end of piece ontology 2-3-1 tilts upwards, and the front end of contact chip ontology 2-3-1 is placed in H3 bonding jumper 2-12 and HP bonding jumper 2-
Gap between 13, and the second rivet 2-3-6 is in contact with the lower surface HP bonding jumper 2-13, button 1-2-1 is pressed downwards, support
" convex " font connection sheet 2-3-2 of the related contact chip 2-3 ontology of bar 2-14 stress together, support rod 2-14 is in rectangle limiting slot 2-
Vertical downward movement in 1-3, " convex " font connection sheet 2-3-2 second bending part 2-3-4 of drive subject to downward force and contact
The front end of body ontology moves downward together, and the second rivet 2-3-6 and H3 bonding jumper 2-12 of the front end contact chip ontology 2-3-1 are de-
From when push button 1-2-1 moves downwardly to range, at this moment on the top of support rod 2-14 and compression piece 2-4
Plane where square through hole 2-4-4 is parallel, at this point, the second rivet 2-3-6 is in contact with the upper surface H3 bonding jumper 2-12, completes touching
The switching of point.
The first binding post 2-5, the second binding post 2-6, third binding post 2-7 respectively with the first square nut 2-8,
After second square nut 2-9, third square nut 2-10 are tightened, in the first binding post 2-5, the second binding post 2-6, third wiring
4 points of uniform riveting prevents nut loosening from falling off respectively for the screw rod tail end face of column 2-7.
Referring to Fig. 2, the locking assembly 6 includes full lock-screw 6-1, plain washer 6-2 and elastic washer 6-3, described complete
The end of thread of lock-screw 6-1 is vertically mounted in lower cover 4, and is matched with the screw thread of thread barrel 5 by full lock-screw
6-1 and thread barrel 5 are fixed, and plain washer 6-2 and elastic washer 6-3 are mounted between lower cover 4 and full lock-screw 6-1.And
Full lock-screw 6-1 0.5 stainless steel fuse of φ is played insurance by outside.
Referring to Fig. 2, first O-ring seal is installed between the upper end cover 1-1 and the lower case 2-1 of action component 2
7, the second O-ring seal 8 is installed between upper end cover 1-1 and lower cover 4.
The contact chip 2-3 is made of stainless steel cold-rolled steel band 07Cr17Ni7Al punching press and bending.
Referring to Fig. 2,4 bottom end of lower cover is additionally provided with the through-hole 4-1 penetrated for cable.
Spring stainless steel cold-rolled steel band 07Cr17Ni7Al electric conductivity is good, elasticity is good is suitable as the material of elastic component
Matter, and contact chip 2-3 does ageing treatment after bending and molding, makes part HV >=360, guarantees that contact chip has good hardness
And elasticity, it is allowed to stress and is hardly damaged deformation.Arc transition corner is used when spring leaf bending, caused by avoiding hard angle bending
Part breaking, that is, when improving the yield rate of part, and can make switching state, contact chip deformation stress is more dispersed, no
It concentrates on bending part a bit, part life is improved, to promote product bulk life time.
Bushing 1-2-4 is made of ledrite bar machine adds.
The travel switch of the present embodiment belongs to engine signal judgment means in place, when in use with control as shown in Figure 10
The first cable 9, the second cable 10, the third cable 11 of CA cable assembly (KZDL195 series controls cable) processed are attached, contact pin
1,2,3 the first cable 9, the second cable 10, the third cables 11 being separately connected from through-hole 4-1 penetrate lower cover, the first cable 9,
Connecting terminal on second cable 10, third cable 11 respectively with the first binding post 2-5, the second binding post 2-6 and third wiring
Column 2-7, which is threadedly coupled, to be fixed:
The correspondence wiring point of travel switch of the present invention such as table 1:
Table 1 corresponds to wiring point
As shown above, switch contact " O " is common, and " H3 " is normally opened contact, and " HP " is normally-closed contact, works as pressing
When travel switch button to range of the invention, normally-closed contact is disconnected, and normally opened contact is connected, inserting on electrical connector plug
Needle " 3 " and " 1 " disconnect, and contact pin " 2 " and " 1 " are connected.When unclamping travel switch button, normally opened contact is disconnected, and normally-closed contact connects
Logical, contact pin " 2 " and " 1 " on electrical connector plug disconnect, and contact pin " 3 " and " 1 " are connected.Button is accidentally touched for being likely to occur
Behavior, due to being equipped with the first spring in button, can neutralize the mistake that a part of button is subject to when the mobile a small amount of stroke of button stress
Pressing force makes contact chip be unlikely to transfer contact, and when excessive button press, the first spring in button can also neutralize one
Part power can play overtravel protective effect, be destroyed product not, so will not impact to the performance of travel switch.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention;At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (10)
1. a kind of travel switch, which is characterized in that the trip switch includes upper end cap assemblies, action component, fixed column, lower end
Lid, thread barrel, locking assembly;Upper end cap assemblies include upper end cover, button assembly, and the upper end cover center is equipped with through-hole, logical
Rolling has button assembly at hole, and riveting respectively in button assembly two sides has fixed column, and fixed column is placed in upper end cover internal cavity,
The upper end inner circumferential of fixed column is equipped with internal screw thread, and for being attached with interfacing part, the lower end of fixed column is equipped with external screw thread, button group
Part is vertically mounted on upper end cover, and the action component is mounted in upper end cover internal cavity, and button assembly is matched with action component
Close and realize the switching of contact on off operating mode, two fixed column lower ends pass through action component and with two screw threads being placed in lower cover
Cylinder is connected through a screw thread mode respectively and fixes, and action component is fixedly clamped in upper end cap assemblies and lower cover, two screw threads
The lower end of cylinder passes through locking assembly respectively and fixes with lower cover, and upper end cap assemblies are fixed with lower cover.
2. a kind of travel switch as described in claim 1, which is characterized in that the button assembly include button, second spring,
Third spring, bushing, retaining ring, internal tooth gasket, stainless steel washer, rubbery flat gasket circle, seal washer and insulating part;
The button includes button shell, retainer ring, shoe contact body, the first spring;The button enclosure interior cavity is equipped with the
One spring, the lower end of the first spring are set with shoe contact body, and shoe contact body upper end is placed in button enclosure interior cavity, sliding
Block contact lower end periphery is processed into screw thread, and insulating part is fixed by being threaded into shoe contact body lower end, plays button
Insulating effect is equipped with retainer ring between button housing bottom and shoe contact body, button shell bottom edge inwardly rivets, retainer ring
Holding shoe contact body prevents it from skidding off from button shell;
Button is placed in bush inside with vertical direction and insulating part downward, and the bushing is riveted in upper end cover through-hole, in bushing
Equipped with the second spring and third spring being arranged concentrically, second spring and third spring pocket are mounted in button periphery, and button shell is external
Zhou Shangduan is equipped with groove, and internal tooth gasket clamps in a groove, the lower surface of internal tooth gasket and the top of second spring and third spring
End in contact is set with stainless steel washer the button shell external week above internal tooth gasket, and the inner circumferential of bushing is equipped with annular convex platform, no
Rust steel washer is placed in above annular convex platform, and rubbery flat gasket circle and seal washer are successively arranged above stainless steel washer, and rubber is flat
Washer and seal washer are set in that button shell is all in vitro, and the top of seal washer is equipped with retaining ring, retaining ring be sleeved on by
It button shell periphery and is crimped together in a manner of interference with bushing;
When downward button press, button drives internal tooth gasket to compress second spring and third spring downwards, when release button, second
Spring and third spring bounce, and restore button and internal tooth gasket to home position.
3. a kind of travel switch as described in claim 1, which is characterized in that the action component includes lower case, ears pad
Piece, contact chip, compress piece, the first binding post, the second binding post, third binding post, the first square nut, the second square nut,
Third square nut, the first rivet, H3 bonding jumper, HP bonding jumper, support rod and the 4th spring;The lower case is placed in upper end cover
Interior, the lower case is the cylinder of upper opening, and in cylinder, bottom center is downwardly extending protrusion, in protrusion
The heart is equipped with circular groove, the rectangle limiting slot of vertical direction setting is equipped in the lower section of circular groove, two inside cylinder
Side is respectively equipped with first boss and second boss, is respectively perpendicular in first boss and is equipped with the first binding post and the second binding post,
It is respectively perpendicular in second boss and third binding post and the first rivet is installed, the ears gasket of "Ji" type is equipped with 2
Circular through hole, 2 circular through holes are set on the first binding post and the first rivet, and ears gasket is mounted on first boss
With above second boss, compression piece is installed above ears gasket, is tightened on the first binding post using the first square nut
Fixed, the first rivet is by ears gasket and compresses piece riveting securely, H3 bonding jumper is equipped on the second binding post and using the
Two square nuts tighten fixation, and HP bonding jumper is equipped on third binding post and tightens fixation using third square nut, H3 takes
There is gap, the tail end of contact chip is mounted on the groove for compressing piece and the ears of falling "Ji" type gasket between contact pin and HP bonding jumper
Between;The lower end of support rod is placed in rectangle limiting slot, and the upper end of support rod is pierced by compress piece and be compacted piece and block, and compresses piece
The support rod periphery of lower section is set with the 4th spring, and tail end and the support rod of contact chip are fixed, and support rod is with the 4th spring
It moves back and forth and moves up and down in rectangle limiting slot in vertical direction, so that the front end with moving contacting plate is taken in H3 bonding jumper and HP
It moves up and down between contact pin, realizes that the front end of contact chip is contacted with H3 bonding jumper or HP bonding jumper contacts.
4. a kind of travel switch as claimed in claim 3, which is characterized in that the compression piece includes that T-type compresses piece ontology, pressure
The tail end middle section of tight piece ontology is equipped with bending body vertically downward, and the bottom end for bending body is equipped with convex block, compresses piece ontology
Front end, which is equipped with, is used to support the square through hole that the inner circumferential that bar top is pierced by has fillet.
5. a kind of travel switch as claimed in claim 3, which is characterized in that the support rod generally rectangular plate-like, in square
The top two sides of shape plate are respectively equipped with protrusion, rectangular aperture are equipped on the rectangular slab between two protrusions, in rectangular aperture
Arranged on left and right sides be respectively equipped with square groove;
Supporting bar top is pierced by the square through hole for compressing piece, compresses piece and is placed in two raised tops, the 4th spring pocket is mounted in two
It is vertically arranged on the support rod of a protrusion lower section and together in the circular groove of lower case, and the lower end of support rod is placed in rectangle
In limiting slot, support rod vertically moves up and down in rectangle limiting slot with the reciprocating motion of the 4th spring.
6. a kind of travel switch as claimed in claim 3, which is characterized in that the contact chip includes the contact chip of rectangular box
The rear end of ontology, contact chip ontology is equipped with the first circular through hole, and the convex block for compressing piece is placed in limitation contact chip in circular through hole
Mobile, middle position extends to form " convex " font connection sheet, the two sides of rectangular box forwards on the inside of the tail end of contact chip ontology
The bending of long side corresponding position forms the first bending part and the second bending part twice, and it is round logical that the front end of contact chip ontology is equipped with second
Hole, is equipped with the second rivet in the second circular through hole, and the second circular through hole front tab ontology middle position forward
Side extends to form protruding portion, guarantees that lateral displacement does not occur in lower case for contact chip;The minimum point and cylinder of first bending part
Body bottom surface offsets, and the vertex of the first bending part offsets with the lower surface for compressing piece, and the front end of " convex " font connection sheet is placed in support
In square groove in bar rectangular aperture, when button does not apply pressure, the front end of the second bending part and contact chip ontology is upward
Side tilts, and the front end of contact chip ontology is placed in the gap between H3 bonding jumper and HP bonding jumper, and the second rivet and HP bonding jumper
Lower surface is in contact, and button down is pressed, " convex " the font connection sheet of the related contact chip ontology of support rod stress together, support rod
The vertical downward movement in rectangle limiting slot, " convex " font connection sheet second bending part of drive subject to downward force and contact
The front end of ontology moves downward together, and the second rivet and H3 bonding jumper of contact chip ontology front end are detached from, when push button is downward
When moving to range, at this moment the top of support rod is parallel with plane where the square through hole for compressing on piece, at this point, second
Rivet is in contact with H3 bonding jumper upper surface, completes the switching of contact.
7. a kind of travel switch as described in claim 1, which is characterized in that the locking assembly includes full lock-screw, puts down
The end of thread of washer and elastic washer, the full lock-screw is vertically mounted in lower cover, and the screw thread phase with thread barrel
Cooperation fixes full lock-screw with thread barrel, and plain washer and elastic washer are mounted between lower cover and full lock-screw.And
Full lock-screw 0.5 stainless steel fuse of φ is played into insurance in outside.
8. a kind of travel switch as described in claim 1, which is characterized in that in the lower case of the upper end cover and action component
Between the first O-ring seal is installed, the second O-ring seal is installed between upper end cover and lower cover.
9. a kind of travel switch as described in claim 1, which is characterized in that the contact chip uses stainless steel cold-rolled steel band
Simultaneously bending is made for 07Cr17Ni7Al punching press.
10. a kind of travel switch as described in claim 1, which is characterized in that the lower cover bottom end is additionally provided with for cable
The through-hole penetrated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910438316.1A CN110148540B (en) | 2019-05-24 | 2019-05-24 | Travel switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910438316.1A CN110148540B (en) | 2019-05-24 | 2019-05-24 | Travel switch |
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CN110148540A true CN110148540A (en) | 2019-08-20 |
CN110148540B CN110148540B (en) | 2023-11-14 |
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CN201910438316.1A Active CN110148540B (en) | 2019-05-24 | 2019-05-24 | Travel switch |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113671576A (en) * | 2021-07-23 | 2021-11-19 | 苏州瑞力特通信科技有限公司 | Intelligent inspection well cover monitor |
WO2023250319A1 (en) * | 2022-06-20 | 2023-12-28 | Yondr, Inc. | Lock with integrated engagement indicator |
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US20090152081A1 (en) * | 2007-12-18 | 2009-06-18 | Sharrah Raymond L | Electrical switch, as for controlling a flashlight |
JP2011003306A (en) * | 2009-06-16 | 2011-01-06 | Mik Denshi Kohgyo Co Ltd | Push-button switch |
CN102629528A (en) * | 2012-04-14 | 2012-08-08 | 桂林航天电子有限公司 | Clapping contact travel switch |
CN103594272A (en) * | 2013-11-25 | 2014-02-19 | 中航光电科技股份有限公司 | Physical separation type stroke control switch |
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US3288973A (en) * | 1965-04-16 | 1966-11-29 | Cutler Hammer Inc | Push-push switch convertible to momentary switch |
US20030079980A1 (en) * | 2001-08-20 | 2003-05-01 | Yasuhiro Kiyono | Switch, push-button switch and rotary-lever switch |
JP2004247188A (en) * | 2003-02-14 | 2004-09-02 | Sagami Denshi Kogyo:Kk | Push-button switch |
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CN113671576A (en) * | 2021-07-23 | 2021-11-19 | 苏州瑞力特通信科技有限公司 | Intelligent inspection well cover monitor |
WO2023250319A1 (en) * | 2022-06-20 | 2023-12-28 | Yondr, Inc. | Lock with integrated engagement indicator |
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CN110148540B (en) | 2023-11-14 |
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