CN109671582A - A kind of dust-proof DC trigger switch of extra small figure with on-off function - Google Patents
A kind of dust-proof DC trigger switch of extra small figure with on-off function Download PDFInfo
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- CN109671582A CN109671582A CN201910067677.XA CN201910067677A CN109671582A CN 109671582 A CN109671582 A CN 109671582A CN 201910067677 A CN201910067677 A CN 201910067677A CN 109671582 A CN109671582 A CN 109671582A
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- Prior art keywords
- push shaft
- proof
- dust
- wiring board
- extra small
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 12
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000004804 winding Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000006837 decompression Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
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- 230000005611 electricity Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
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Classifications
-
- 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
- H01H13/02—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
- H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
- H01H23/006—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button adapted for connection with printed circuit boards
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
- H01H23/02—Details
- H01H23/04—Cases; Covers
- H01H23/06—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
- H01H23/24—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button with two operating positions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
Landscapes
- Push-Button Switches (AREA)
Abstract
The dust-proof DC trigger switch of extra small figure provided by the invention with on-off function, including base body, rear cover and push shaft, one end of push shaft are located in the cabinet that base body and rear cover are constituted, and the other end of push shaft extends cabinet, which is provided with trigger；It covers afterwards and is equipped with positioning column corresponding to the position of push shaft, positioning column is equipped with reset spring；Push shaft is equipped with convex block, and the lower section of push shaft is equipped with sliding shoe, and the top of sliding shoe is equipped with inclined sliding slot, and convex block can slide in sliding slot；The lower part of sliding shoe is equipped with cavity, is successively arranged elastic component and acting arm in cavity from top to bottom, and the lower section of sliding shoe is equipped with the static contact A and static contact B that match with acting arm.The beneficial effect is that: switch of the invention, volume is extra small, is suitable for each type electric tool, it is able to achieve on-off, speed regulation and the commutation function of electric tool, it can make the leakage current zero of power tool battery simultaneously, so that battery life is extended, risk caused by reducing because of battery over-discharge.
Description
Technical field
A kind of DC trigger switch of the present invention more particularly to a kind of dust-proof DC trigger of extra small figure with on-off function
Switch.
Background technique
Direct current electric power tools currently on the market switch additional one piece of control panel component generally by using direct current signal
Scheme realize all kinds of controls and defencive function, this scheme has the following deficiencies:
1, it is larger to commonly use direct current signal switch figure, so that relatively thick, the unsuitable manpower of electric tool handle design
It is long-term to grasp, when electric hand tool high altitude operation, it is easy to make manpower fatigue and grasp loosely, can seriously falls from high altitude, it is right
There are major hidden dangers for personal safety, do not meet the requirement of national safety standard.
2, it commonly uses direct current signal and switchs no on-off function, so that the wiring board on electric tool charges always, deposits
In a small leakage current, when the electric tool resting period too long when will lead to electric quantity consumption and finish and cause battery over-discharge, significantly
Battery life is reduced, electric tool unexpected power-off protection is will cause when serious, electric tool falling from high altitude is be easy to cause, to the person
Security presence major hidden danger does not meet the requirement of national safety standard.
3, commonly using direct current signal switch commutation rotating block and commutation driving lever is integral design, and such design is so that commutation
The binding site of driving lever and base body is easily accessible dust, and the letter for switching output error may be caused when more into dust
Number and cause the operational mode of mistake, the operational mode of mistake be easy to cause electric tool falling from high altitude, exists to personal safety
Major hidden danger does not meet the requirement of national safety standard.
4, commonly use direct current signal switch push shaft and base body junction be equipped with sealing ring, after long-time service push shaft and
The friction of sealing ring can make sealing ring generate abrasion, be easily accessible dust when serious wear, may when more into dust
It can cause the signal for switching output error and cause wrong operational mode, the operational mode of mistake be easy to cause electric tool height
Sky falls, and to personal safety, there are major hidden dangers, does not meet the requirement of national safety standard.
For this purpose, it is imperative to design a kind of dust-proof DC trigger switch of the extra small figure with on-off function.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of, and the extra small figure with on-off function is dust-proof
DC trigger switch.
The dust-proof DC trigger switch of a kind of extra small figure with on-off function provided by the invention, technical solution are as follows:
A kind of dust-proof DC trigger switch of extra small figure with on-off function, including base body, rear cover and push shaft, it is described
One end of push shaft is arranged in the cabinet that the base body and rear cover are constituted, and the other end of push shaft extends the cabinet, thereon
It is provided with trigger；It is covered after described and the position of push shaft is provided with positioning column, be provided with reset spring on the positioning column；
It is characterized in that, being provided with convex block on the push shaft, sliding shoe is provided with below the push shaft, the top of the sliding shoe is set
It is equipped with inclined sliding slot, the convex block can slide in sliding slot；The lower part of the sliding shoe is provided with cavity, in the cavity from
Top to bottm is disposed with elastic component and acting arm, and the stationary contact matched with the acting arm is provided with below the sliding shoe
Piece A and static contact B.
The dust-proof DC trigger switch of a kind of extra small figure with on-off function provided by the invention, further includes following attached
Technical solution:
Wherein, one end of the acting arm is provided with the wedge angle bent downward, and the other end of the acting arm is provided with dynamic
Contact, the top of the static contact A are provided with through-hole, and the top of the static contact B is provided with stationary contact；When sliding shoe is to moving down
When dynamic, the wedge angle bent downward of described acting arm one end is connected in the through-hole on the top the static contact A, and the acting arm is another
The stationary contact point contact of the movable contact of one end and the top the static contact B.
Wherein, the sliding slot is Z-shaped sliding slot, and the convex block is cylindrical bump.
Wherein, it is recessed that the stationary contact position corresponded on static contact B on two inner sidewalls of the base body is provided with first
Slot is provided with the first magnet in first groove.
Wherein, it is provided with wiring board above the push shaft, sliding bullet is provided between the wiring board and the push shaft
One end of piece, the sliding spring plate is arranged on the push shaft, the following table of the other end of the sliding spring plate and the wiring board
Face contact；The lower surface of the wiring board is provided with resistance band.
Wherein, the first card slot is provided at the top of the push shaft, one end of the sliding spring plate is provided with fixture block, the card
Block is connected in first card slot, the following table face contact of the other end of the sliding spring plate and the wiring board.
Wherein, wiring board is provided with above the push shaft, the lower surface of the wiring board is provided with Hall element, described
It is provided with the second groove at the top of push shaft, is provided with the second magnet in second groove.
Wherein, commutation rotating block is provided with above the wiring board, be provided with above the commutation rotating block and its
The commutation driving lever of connection；It is described commutation rotating block bottom be provided with the second card slot, be provided in the second slot card with it is described
The commutation elastic slice of the upper surface contact of wiring board；One end of the commutation rotating block is provided with counterbore, is provided in the counterbore
Gear spring, the end of the gear spring are provided with ball, cover after described and be provided with pit；The upper surface of the wiring board
It is provided with gear output copper foil.
Wherein, the base body is internally provided with surrounding boss, and the rear cover is internally provided with surrounding groove, described
Lubricating grease is coated in surrounding groove, the surrounding boss and the surrounding groove are fitted close, and form labyrinth structure.
Wherein, it is provided with barb on the base body, is covered after described and is provided with square hole；The base body and the trigger
Between be provided with dirt-proof boot.
Implementation of the invention includes following technical effect:
1, the dust-proof DC trigger switch of a kind of extra small figure with on-off function of the invention, volume of switch is extra small, fits
For all kinds of rechargeable power tools so that machine assembly is very easy to, handle for tool can design it is very thin, to be conducive to grab
It holds.
2, the dust-proof DC trigger switch of a kind of extra small figure with on-off function of the invention, has excellent dust tightness
Can, so that electric tool is durable, meet national safety standard requirement.
3, the dust-proof DC trigger switch of a kind of extra small figure with on-off function of the invention, switch band on-off function,
By the way that magnet is arranged, so that wiring board is completely with out electricity, so that the leakage current of power tool battery after switch trigger is decontroled
It is zero, can effectively extends battery life, reduces because risk caused by battery over-discharge, meets national safety standard requirement.
4, the dust-proof DC trigger switch of a kind of extra small figure with on-off function provided by the invention, is not only able to achieve electricity
Power driven tools on-off, the function of speed regulation boosting and decompression, moreover it is possible to realize the commutation function of electric tool.
5, the dust-proof DC trigger switch of a kind of extra small figure with on-off function provided by the invention, by base body
Inside surrounding boss is set, surrounding groove is set in the inside of rear cover, so that surrounding boss on base body was covered with after
Surrounding groove is fitted close, and labyrinth structure is formed, and after smearing suitable lubricating grease on the surrounding groove covered after, by rear cover
It is installed on base body, is further hooked into the square hole of rear cover by the way that barb is arranged on base body, it can be achieved that main body section
Anti-dust performance.
6, the dust-proof DC trigger switch of a kind of extra small figure with on-off function provided by the invention, by base body
Upper setting cylinder boss, is arranged circular through hole on cylinder boss, and push shaft is arranged in circular through hole, dust-proof to be set on
On the cylinder boss, the macropore of dirt-proof boot covers on the cylinder boss of base body, and it is logical that push shaft protrudes into the circle on cylinder boss
Kong Hou, then aperture and the trigger engagement of dirt-proof boot are penetrated, since the head of the cylinder boss of dirt-proof boot and base body, push shaft is
It is fitted close, to realize the anti-dust performance at push shaft position.
Detailed description of the invention
Fig. 1 is a kind of perspective view of the dust-proof DC trigger switch of extra small figure with on-off function provided by the invention,
It does not include Hall element.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is a kind of perspective view of the dust-proof DC trigger switch of extra small figure with on-off function provided by the invention,
It includes Hall elements.
Fig. 4 is the sectional view of Fig. 3.
Fig. 5 is the explosive view of the trigger in Fig. 1.
Fig. 6 is the explosive view of trigger in Fig. 3.
Fig. 7 is that the commutation in a kind of dust-proof DC trigger switch of extra small figure with on-off function provided by the invention turns
The assembling schematic diagram of motion block and commutation driving lever.
Fig. 8 is that the commutation in a kind of dust-proof DC trigger switch of extra small figure with on-off function provided by the invention turns
The assembling schematic diagram of motion block, commutation driving lever and base body.
When Fig. 9 is that the trigger on the trigger in Fig. 1 is in original state, the circuit connection diagram of wiring board lower surface.
When Figure 10 is that the trigger on the trigger in Fig. 1 is in by state on earth, the connection of wiring board lower surface
Figure.
When Figure 11 is that the commutation driving lever on the trigger in Fig. 1 is in left-hand state, the route of wiring board upper surface connects
Map interlinking.
When Figure 12 is that the commutation driving lever on the trigger in Fig. 1 is in dextrad state, the route of wiring board upper surface connects
Map interlinking.
When Figure 13 is that the trigger on the trigger in Fig. 3 is in original state, the circuit connection diagram of wiring board lower surface.
When Figure 14 is that the trigger on the trigger in Fig. 3 is in by state on earth, the connection of wiring board lower surface
Figure.
When Figure 15 is that the commutation driving lever on the trigger in Fig. 3 is in left-hand state, the route of wiring board upper surface connects
Map interlinking.
When Figure 16 is that the commutation driving lever on the trigger in Fig. 3 is in dextrad state, the route of wiring board upper surface connects
Map interlinking.
In figure, 1- base body, 2- rear cover, 3- push shaft, 4- sliding shoe, 5- reset spring, 6- acting arm, 7A- static contact,
7B- static contact, 8- wiring board, 9- sliding spring plate, 10- trigger, 11- commutation rotating block, 12- commutation driving lever, 13- commutation elastic slice,
14- dirt-proof boot, the first groove of 101-, the first magnet of 102-, 103- surrounding boss, 104- barb, 105- winding displacement, 106- self tapping spiral shell
Nail, 107- circular through hole, 108- cylinder boss, 109- round tube hole, 21- positioning column, 22- square hole, 23- pit, 24- surrounding are recessed
Slot, 31- convex block, the first card slot of 32-, the second groove of 33-, the second magnet of 34-, 41- sliding slot, 42- cavity, 43- elastic component, 61-
Wedge angle, 62- movable contact, 71- through-hole, 72- stationary contact, 81- resistance band, 82- Hall element, 83- copper foil, 91- fixture block, 111-
Two draw-in groove, 112- counterbore, 113- gear spring, 114- ball, 115- hexagonal boss, 121- hexagon pit.
Specific embodiment
The present invention is described in detail below in conjunction with embodiment and attached drawing, it should be pointed out that described reality
It applies example and is intended merely to facilitate the understanding of the present invention, and do not play any restriction effect to it.
Orientation described herein is for example to compare the convenience of attached drawing description and use up and down, composition pair
The restriction of protection scope.
As shown in figures 1-8, the dust-proof DC trigger switch of a kind of extra small figure with on-off function provided by the invention, packet
Base body 1, rear cover 2 and push shaft 3 are included, one end of the push shaft 3 is arranged in the cabinet that base body 1 and rear cover 2 are constituted, push shaft 3
The other end extend cabinet, be provided with trigger 10, the position that push shaft 3 is corresponded on the rear cover 2 is provided with positioning column
21, reset spring 5 is provided on the positioning column 21；Convex block 31, the lower section setting of the push shaft 3 are provided on the push shaft 3
There is sliding shoe 4, the top of the sliding shoe 4 is provided with inclined sliding slot 41, and the convex block 31 can slide in sliding slot 41；It is described
The lower part of sliding shoe 4 is provided with cavity 42, is disposed with elastic component 43 and acting arm 6, institute in the cavity 42 from top to bottom
The lower section for stating sliding shoe 4 is provided with the static contact 7A and static contact 7B matched with the acting arm 6；Wherein, the elastic component
43 be spring, and the rear cover 2 is made of rear cover 2A and rear cover 2B.A kind of switch provided in this embodiment, volume is extra small, is suitable for
All kinds of rechargeable power tools, so that machine assembly is very easy to, handle for tool can be designed thinner, so that the present invention provides
Switch when in use be easier grasp；Also, switch provided by the invention has excellent anti-dust performance, so that electric tool
It is durable, meet national safety standard requirement.
Wherein, as shown in 5-6 figure, one end of the acting arm 6 is provided with the wedge angle 61 bent downward, the acting arm 6
The other end be provided with movable contact 62, the top of the static contact 7A is provided with through-hole 71, the top setting of the static contact 7B
There is stationary contact 72；When sliding shoe 4 moves down, the wedge angle 61 bent downward of described 6 one end of acting arm is connected to described quiet
In the through-hole 71 on the top of contact 7A, the movable contact 62 of 6 other end of acting arm and the stationary contact on the top the static contact 7B
72 contacts.
The dust-proof DC trigger switch of a kind of extra small figure with on-off function provided by the invention, realizes on-off function
The course of work it is as follows:
When pressing trigger squeeze 10, push shaft 3 moves to the right under the drive of trigger 10, and the boss 31 on push shaft 3 is sliding
Sliding in inclined sliding slot 41 on block 4, to drive sliding shoe 4 to move down, so that acting arm 6 be driven to move down；Wherein,
After the wedge angle 61 bent downward of 6 one end of acting arm is first connected in two through-holes 71 on the top of static contact 7A, acting arm
The movable contact 62 of the other end is contacted with the stationary contact 72 on the top static contact 7B, to realize turn-on power loss.
When unclamping trigger 10, push shaft 3 gradually resets under the action of reset spring 5, and sliding shoe 6 is answered with push shaft 3
Position moves up, and then acting arm 6 is driven to separate respectively with static contact 7A and static contact 7B, to realize break function.
Wherein, the sliding slot 41 is Z-shaped sliding slot, and the convex block 31 is cylindrical bump.
As seen in figs. 5-6,72 position of stationary contact corresponded on static contact 7B on 1 two inner sidewalls of the base body is all provided with
It is equipped with the first groove 101, the first magnet 102 is provided in first groove 101.When the switch in the present embodiment is for height
When voltage and the electric tool of high current, the first magnet being arranged on two inner sidewalls of base body can absorb switch and connect
The service life of switch is extended to protect movable contact and stationary contact with the electric arc generated in disconnection process.
The present invention is also able to achieve the speed-regulating function of switch, is realized by such as flowering structure:
As shown in Fig. 5,6,9,10, the top of the push shaft 3 is provided with wiring board 8, the wiring board 8 and the push shaft 3
Between be provided with sliding spring plate 9, one end of the sliding spring plate 9 is arranged on the push shaft 3, the sliding spring plate 9 it is another
The following table face contact at end and the wiring board 8；The lower surface of the wiring board 8 is provided with resistance band 81.
Preferably, as seen in figs. 5-6, the top of the push shaft 3 is provided with the first card slot 32, and the one of the sliding spring plate 9
End is provided with fixture block 91, and the fixture block 91 of described 9 one end of sliding spring plate is connected in first card slot 32 at the top of the push shaft 3,
The following table face contact of the other end of the sliding spring plate 9 and the wiring board 8.
The dust-proof DC trigger switch of a kind of extra small figure with on-off function provided by the invention, realizes speed-regulating function
The course of work can be such that
As shown in figure 9, push shaft 3 drives setting assist side 8 during moving to the right when pressing trigger squeeze 10
Sliding spring plate 9 between the push shaft 3 slides from left to right, so that pin Pin A and the Pin B on 8 lower surface of wiring board
It connects, this connection signal is output to the control panel of electric tool by the winding displacement 105 being arranged in assist side 8, and control panel is somebody's turn to do
After connecting signal, control electric tool is powered；When continuing by trigger squeeze 10, as shown in Figure 10, push shaft 3 continues to drive setting online
Sliding spring plate 9 between road plate 8 and the push shaft 3 slides from left to right, so that 2 He of pin Pin on 8 lower surface of wiring board
From large to small, this variable signal is output to electric tool to fixed carbon resister between Pin 4 by the winding displacement 105 being arranged in the circuit board
Control panel, after control panel obtains the variable signal, control electric tool be powered speed regulation boosting.So far, provided in this embodiment
The dust-proof DC trigger signaling switch of extra small figure realizes speed regulation boost function.
When unclamping trigger 10, push shaft 3 gradually resets under the action of reset spring 5, and the Slideslip to the left of push shaft 3 drives
The sliding of 9 right-to-left of sliding spring plate so that between pin Pin 2 and Pin 4 on 8 lower surface of wiring board fixed carbon resister by
It is small to become larger, the control panel that this variable signal is output to electric tool by winding displacement 105 in the circuit board is set, and control panel is somebody's turn to do
After variable signal, control electric tool speed regulation decompression；Continue to unclamp trigger 10, pin Pin A on 8 lower surface of wiring board and
Pin B is disconnected, and the control panel that this cut-off signal is output to electric tool by winding displacement 105 in the circuit board is arranged, control panel obtains
To after the cut-off signal, control electric tool power-off.So far, the dust-proof DC trigger signal of extra small figure provided in this embodiment
Switch realizes the speed regulation buck functionality of electric tool.
The present invention is also able to achieve the hall signal speed-regulating function of switch, and the present invention may be accomplished by switch suddenly
That signal speed-regulating function.
Wherein, as shown in fig. 6, the top of the push shaft 3 is provided with wiring board 8, the lower surface of the wiring board 8 is provided with
Hall element 82, the top of the push shaft 3 are provided with the second groove 33, the second magnet 34 are provided in second groove 33.
When pressing trigger squeeze 10, the Slideslip to the right of push shaft 3, so that principle and above example phase that circuit board module is powered
Together, it only difference is that push shaft 3 moves right the mode adjusted the speed.When pressing trigger squeeze 10, as illustrated in figs. 13-15, push shaft 3 is certainly
When from left to right is slided, the second magnet 34 and the Hall element 82 on 8 lower surface of wiring board that the second groove 33 of push shaft 3 is set
The distance between be gradually reduced, magnetic flux becomes larger, and the output voltage of Hall element 82 is stepped up, and outputs signal to external circuit
Control integrated chip on board group part exports associated control signal, to realize the electronic speed regulation boosting of switch.
When unclamping trigger 10, push shaft 3 moves to the left, and the principle that circuit is disconnected is identical with above example, no
It is that push shaft moves downward the mode adjusted the speed with putting.When unclamping trigger 10, when push shaft 3 is moved to the left, push shaft 3 is set
The second magnet 34 in second groove 33 increases with the distance between the Hall element 82 on 8 lower surface of wiring board, magnetic flux quantitative change
Small, 82 output voltage of Hall element gradually reduces, and outputs signal to the control integrated chip output phase on external circuit board group part
Control signal is closed, to realize the electronic speed regulation decompression of switch.
The present invention is also able to achieve the signal commutation function of switch, is realized by such as flowering structure:
As shown in figures 1-8, the top of the wiring board 8 is provided with commutation rotating block 11, the upper of rotating block 11 that commutate
Side is provided with commutation driving lever 12 connected to it；The bottom of the commutation rotating block 11 is provided with the second card slot 111, and described second
The commutation elastic slice 13 contacted with the upper surface of the wiring board 8 is provided in slot card 111；One end of the commutation rotating block 11 is set
It is equipped with counterbore 112, gear spring 113 is provided in the counterbore 112, the end of the gear spring 113 is provided with ball
114, pit 23 is provided on the rear cover 2；The upper surface of the wiring board is provided with gear output copper foil 83.
When commutation driving lever 12 is stirred in left and right, the tail portion of commutation driving lever 12 drives the counterbore that commutation rotating block 11 is arranged in
Steel ball 114 in 112 is beated in the pit 23 on rear cover 2, while commutating elastic slice 13 under the drive of commutation rotating block 11,
The upper surface of wiring board 8 turns to the right or left steering sliding, to realize the commutation function of electric tool.
The dust-proof DC trigger switch of a kind of extra small figure with on-off function provided by the invention, realizes commutation function
The course of work can be such that
As shown in Figure 11,15, when the driving lever 12 that commutates turns left, commutation driving lever 12 drives commutation rotating block 11 to turn right
Dynamic, commutation rotating block 11 drives the commutation elastic slice 13 being arranged in commutation 11 the second card slot of bottom 111 of rotating block to turn right, together
Shi Huanxiang rotating block 11 is by driving the gear spring 113 being arranged in the counterbore 112 of commutation rotating block 11 that ball 114 is driven to jump
It moves in the pit 23 of the rightmost side on rear cover 2.At this point, the pin Pin 3 on 8 lower surface of wiring board is connected with Pin 5, setting exists
This dextrad turn signal is output to the control panel of electric tool by the winding displacement 105 on wiring board, and control panel obtains the variable signal
Afterwards, control electric tool forward direction work.
As shown in Figure 12,16, when the driving lever 12 that commutates turns right, commutation driving lever 12 drives commutation rotating block 11 to turn left
Dynamic, commutation rotating block 11 drives the commutation elastic slice 13 in setting commutation 11 the second card slot of bottom 111 of rotating block to turn left, simultaneously
Commutation rotating block 11 is by driving the gear spring 113 being arranged in the counterbore 112 of commutation rotating block 11 that ball 114 is driven to beat
Into the pit 23 of the leftmost side on rear cover 2.At this point, the pin Pin 3 on 8 lower surface of wiring board is connected with Pin 1, setting is online
This left-hand turn signal is output to the control panel of electric tool by the winding displacement 105 on the plate of road, after control panel obtains the variable signal,
Control electric tool reverse operation.
Preferably, the present invention also has excellent anti-dust performance, and the present invention realizes switch by following three kinds of positions respectively
Excellent anti-dust performance.
Position one
As shown in figures 1-8, the base body 1 is internally provided with surrounding boss 103, and the rear cover 2 is internally provided with
Surrounding groove 24, is coated with lubricating grease in the surrounding groove 24, the surrounding boss 103 of the inside of the base body 4 and after stating
The surrounding groove 24 of the inside of lid is fitted close, and forms labyrinth structure, it can be achieved that excellent anti-dust performance.
Position two
If Fig. 1-is shown, commutation rotating block 11 first be inserted into base body 1, then by 121 court of hexagon pit of commutation driving lever 12
In the circular through hole 107 of lower insertion base body 1, just cooperate with the hexagonal boss 115 on commutation rotating block 11, then use self tapping
Screw 106 locks commutation driving lever 12 with commutation rotating block 11.In the present embodiment, the tight fit of base body and commutation driving lever,
It can effectively realize excellent anti-dust performance.
Position three
As shown in figures 1-8, it is provided with barb 104 on the base body 1, is covered after described and is provided with square hole 22；The base
Dirt-proof boot 14 is provided between pedestal 1 and the trigger 10；Cylinder boss 108 is provided on the base body, the cylinder is convex
Round tube hole 109 is provided on platform 108, the push shaft 3 is arranged in the round tube hole 109, and the dirt-proof boot 14 is arranged described
On cylinder boss 108.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of range is protected, although explaining in detail referring to preferred embodiment to the present invention, those skilled in the art are answered
Work as understanding, it can be with modification or equivalent replacement of the technical solution of the present invention are made, without departing from the reality of technical solution of the present invention
Matter and range.
Claims (10)
1. a kind of dust-proof DC trigger switch of extra small figure with on-off function, including base body, rear cover and push shaft, described to push away
One end of axis is arranged in the cabinet that base body and rear cover are constituted, and the other end of push shaft extends the cabinet, is provided with
Trigger；It covers afterwards and the position of push shaft is provided with positioning column, be provided with reset spring on positioning column；It is characterized in that, institute
It states and is provided with convex block on push shaft, sliding shoe is provided with below the push shaft, the top of the sliding shoe is provided with inclined cunning
Slot, the convex block can slide in sliding slot；The lower part of the sliding shoe is provided with cavity, successively sets from top to bottom in the cavity
It is equipped with elastic component and acting arm, the static contact A and static contact matched with the acting arm is provided with below the sliding shoe
B。
2. the dust-proof DC trigger switch of a kind of extra small figure with on-off function according to claim 1, feature exist
In: one end of the acting arm is provided with the wedge angle bent downward, and the other end of the acting arm is provided with movable contact, described quiet
The top of contact A is provided with through-hole, and the top of the static contact B is provided with stationary contact；It is described dynamic when sliding shoe moves down
The wedge angle bent downward of contact arm one end is connected in the through-hole on the top the static contact A, the dynamic touching of the acting arm other end
The stationary contact point contact of point and the top the static contact B.
3. the dust-proof DC trigger switch of a kind of extra small figure with on-off function according to claim 2, feature exist
In: the sliding slot is Z-shaped sliding slot, and the convex block is cylindrical bump.
4. the dust-proof DC trigger switch of a kind of extra small figure with on-off function according to claim 1-3,
It is characterized by: the stationary contact position corresponded on static contact B on two inner sidewalls of the base body is provided with the first groove,
The first magnet is provided in first groove.
5. the dust-proof DC trigger switch of a kind of extra small figure with on-off function according to claim 1, feature exist
In: it is provided with wiring board above the push shaft, sliding spring plate, the sliding are provided between the wiring board and the push shaft
One end of elastic slice is arranged on the push shaft, the following table face contact of the other end of the sliding spring plate and the wiring board；It is described
The lower surface of wiring board is provided with resistance band.
6. the dust-proof DC trigger switch of a kind of extra small figure with on-off function according to claim 5, feature exist
In: the first card slot is provided at the top of the push shaft, one end of the sliding spring plate is provided with fixture block, and the fixture block is connected to institute
It states in the first card slot, the following table face contact of the other end of the sliding spring plate and the wiring board.
7. the dust-proof DC trigger switch of a kind of extra small figure with on-off function according to claim 1, feature exist
In: wiring board is provided with above the push shaft, the lower surface of the wiring board is provided with Hall element, the top of the push shaft
It is provided with the second groove, is provided with the second magnet in second groove.
8. the dust-proof DC trigger switch of a kind of extra small figure with on-off function according to claim 1, feature exist
In: it is provided with commutation rotating block above the wiring board, is provided with commutation connected to it above the commutation rotating block
Driving lever；The bottom of the commutation rotating block is provided with the second card slot, is provided in the second slot card upper with the wiring board
The commutation elastic slice of surface contact；One end of the commutation rotating block is provided with counterbore, and gear spring, institute are provided in the counterbore
The end for stating gear spring is provided with ball, covers after described and is provided with pit；The upper surface of the wiring board is provided with gear
Export copper foil.
9. the dust-proof DC trigger switch of a kind of extra small figure with on-off function according to claim 1, feature exist
Surrounding boss is internally provided in: the base body, and the rear cover is internally provided with surrounding groove, in the surrounding groove
It is coated with lubricating grease, the surrounding boss and the surrounding groove are fitted close, and form labyrinth structure.
10. the dust-proof DC trigger switch of a kind of extra small figure with on-off function according to claim 1, feature exist
In: it is provided with barb on the base body, is covered after described and is provided with square hole；It is provided between the base body and the trigger
Dirt-proof boot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067677.XA CN109671582A (en) | 2019-01-24 | 2019-01-24 | A kind of dust-proof DC trigger switch of extra small figure with on-off function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910067677.XA CN109671582A (en) | 2019-01-24 | 2019-01-24 | A kind of dust-proof DC trigger switch of extra small figure with on-off function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109671582A true CN109671582A (en) | 2019-04-23 |
Family
ID=66149707
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910067677.XA Pending CN109671582A (en) | 2019-01-24 | 2019-01-24 | A kind of dust-proof DC trigger switch of extra small figure with on-off function |
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| Country | Link |
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| CN (1) | CN109671582A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113838699A (en) * | 2020-06-24 | 2021-12-24 | 百容电子股份有限公司 | Trigger switch |
| CN113838723A (en) * | 2020-06-24 | 2021-12-24 | 百容电子股份有限公司 | Trigger switch |
| CN113921311A (en) * | 2021-09-30 | 2022-01-11 | 浙江佳奔电子有限公司 | Mini DC brushless trigger signal switch |
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| CN108696211A (en) * | 2018-07-13 | 2018-10-23 | 浙江佳奔电子有限公司 | A kind of brushless direct-current speed-regulating switch with highly integrated structure |
| CN108962644A (en) * | 2018-09-04 | 2018-12-07 | 浙江佳奔电子有限公司 | A kind of dust-proof DC trigger signaling switch of extra small figure |
| CN209328760U (en) * | 2019-01-24 | 2019-08-30 | 浙江佳奔电子有限公司 | A kind of dust-proof DC trigger switch of extra small figure with on-off function |
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| GB1520327A (en) * | 1975-06-17 | 1978-08-09 | Labavia | Electrical switching devices |
| US20060186102A1 (en) * | 2005-02-09 | 2006-08-24 | Isao Inagaki | Trigger switch |
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| CN108696211A (en) * | 2018-07-13 | 2018-10-23 | 浙江佳奔电子有限公司 | A kind of brushless direct-current speed-regulating switch with highly integrated structure |
| CN108962644A (en) * | 2018-09-04 | 2018-12-07 | 浙江佳奔电子有限公司 | A kind of dust-proof DC trigger signaling switch of extra small figure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113838699A (en) * | 2020-06-24 | 2021-12-24 | 百容电子股份有限公司 | Trigger switch |
| CN113838723A (en) * | 2020-06-24 | 2021-12-24 | 百容电子股份有限公司 | Trigger switch |
| CN113921311A (en) * | 2021-09-30 | 2022-01-11 | 浙江佳奔电子有限公司 | Mini DC brushless trigger signal switch |
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Address after: 325608 Longze village and Nanyang Village, Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province Applicant after: ZHEJIANG JIABEN ELECTRONICS Co.,Ltd. Address before: 325609 Tiancheng Industrial Zone, Yueqing City, Wenzhou City, Zhejiang Province Applicant before: ZHEJIANG JIABEN ELECTRONICS Co.,Ltd. |
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