CN108962644A - A kind of dust-proof DC trigger signaling switch of extra small figure - Google Patents
A kind of dust-proof DC trigger signaling switch of extra small figure Download PDFInfo
- Publication number
- CN108962644A CN108962644A CN201811026497.9A CN201811026497A CN108962644A CN 108962644 A CN108962644 A CN 108962644A CN 201811026497 A CN201811026497 A CN 201811026497A CN 108962644 A CN108962644 A CN 108962644A
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- dust
- commutation
- push shaft
- hole
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- 230000011664 signaling Effects 0.000 title claims abstract description 40
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 23
- 238000006073 displacement reaction Methods 0.000 claims description 20
- 238000004804 winding Methods 0.000 claims description 20
- 238000010079 rubber tapping Methods 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 229910000906 Bronze Inorganic materials 0.000 claims 2
- 239000010974 bronze Substances 0.000 claims 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims 2
- 239000011888 foil Substances 0.000 claims 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 239000011889 copper foil Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
- H01H9/061—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner enclosing a continuously variable impedance
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/06—Casing of switch constituted by a handle serving a purpose other than the actuation of the switch, e.g. by the handle of a vacuum cleaner
- H01H2009/065—Battery operated hand tools in which the battery and the switch are directly connected
Landscapes
- Push-Button Switches (AREA)
Abstract
A kind of dust-proof DC trigger signaling switch of extra small figure provided by the invention, including base body, rear cover and push shaft, one end of the 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, is provided with trigger；It is provided with locating piece between the push shaft and the rear cover, positioning column is provided on the locating piece, is provided with reset spring on the positioning column；It is provided with sliding spring plate above the push shaft, wiring board is provided with above the sliding spring plate, one end of the sliding spring plate is connect with the push shaft, and the other end of the sliding spring plate is connect with the wiring board；Resistance band is provided on the wiring board.The beneficial effect is that: a kind of dust-proof DC trigger signaling switch of extra small figure provided by the invention, 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, to be conducive to grasp.
Description
Technical field
The dust-proof DC trigger signaling switch of a kind of DC trigger switch of the present invention more particularly to a kind of extra small figure.
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, 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.
3, 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, the dust-proof DC trigger signaling switch for designing a kind of extra small figure is imperative.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of dust-proof DC trigger signals of extra small figure
Switch.
A kind of dust-proof DC trigger signaling switch of extra small figure provided by the invention, technical solution are as follows:
Including base body, rear cover and push shaft, the cabinet that the base body and rear cover are constituted is arranged in one end of the push shaft
In, the other end of push shaft extends the cabinet, is provided with trigger；Positioning is provided between the push shaft and the rear cover
Block is provided with positioning column on the locating piece, is provided with reset spring on the positioning column；Cunning is provided with above the push shaft
Spring plate is provided with wiring board above the sliding spring plate, and one end of the sliding spring plate is connect with the push shaft, the cunning
The other end of spring plate is connect with the wiring board；Resistance band is provided on the wiring board.
A kind of dust-proof DC trigger signaling switch of extra small figure provided by the invention further includes following attached technical side
Case:
Wherein, push shaft groove is provided on the push shaft, the terminal of the sliding spring plate is connected in the push shaft groove.
Wherein, buckle is provided on the terminal of the sliding spring plate, the sliding spring plate is obliquely arranged in the buckle
On terminal.
Wherein, the wiring board is double-sided wiring board, and the lower surface of the wiring board is provided with resistance band, the first copper foil group
Third copper foil group is set with the upper surface of the second copper foil, the wiring board；The end of the wiring board is provided with to be connect with winding displacement
The 4th copper foil group, the 4th copper foil group be the two-sided copper foil group with conductive hole；The upper and lower surfaces of the wiring board are respectively provided with
There is connecting band.
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；The bottom of the commutation rotating block is provided with card slot, is provided in the card slot and the wiring board
The commutation elastic slice of upper surface contact；One end of the commutation rotating block is provided with counterbore, and gear spring is provided in the counterbore,
The end of the gear spring is provided with ball, covers after described and is provided with pit.
Wherein, it is provided with first boss in the card slot, first through hole, the commutation bullet are provided on the commutation elastic slice
Piece is connected in the first boss by the first through hole.
Wherein, the second through-hole is provided on the base body, the commutation driving lever is changed by second through-hole with described
It is connected to rotating block.
Wherein, it is provided with third through-hole on the commutation rotating block, is provided with fourth hole on the commutation driving lever, it is described
By self-tapping screw connection between the fourth hole to commutate on the third through-hole and the commutation driving lever of rotating block.
Wherein, it is provided with hexagonal boss on the commutation rotating block, is provided with third through-hole in the hexagonal boss；
It is provided with hex-shaped recess on the commutation driving lever, is provided with fourth hole in the hex-shaped recess；The commutation rotating block
Third through-hole and it is described commutation driving lever on fourth hole between pass through screw connection.
Wherein, it is covered after described and is provided with winding displacement positioning convex platform, the winding displacement connected in the circuit board is fixed by the winding displacement
Position boss is connect with the wiring board.
Wherein, it is provided with push shaft fixture block on the push shaft, column is provided on the locating piece, is provided on the column
With the column fixture block of push shaft fixture block cooperation.
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.
Wherein, it is provided with barb on the base body, is covered after described and is provided with square hole.
Wherein, it is provided with cylinder boss on the base body, circular through hole, the push shaft are provided on the cylinder boss
It is arranged in the circular through hole, it is described dust-proof to be set on the cylinder boss.
Implementation of the invention includes following technical effect:
1, the present invention is a kind of dust-proof DC trigger signaling switch of extra small figure, and volume of switch is extra small, is suitable for all kinds of
Rechargeable power tool, so that machine assembly is very easy to, handle for tool, which can design, to be more carefully conducive to grasp.
2, the present invention is a kind of dust-proof DC trigger signaling switch of extra small figure, and is switched with excellent dust tightness
Can, so that electric tool is durable, meet national safety standard requirement.
3, it is logical to be not only able to achieve electric tool for the dust-proof DC trigger signaling switch of a kind of extra small figure provided by the invention
Disconnected, speed regulation boosting and decompression function, moreover it is possible to realize the commutation function of electric tool.
4, the dust-proof DC trigger signaling switch of a kind of extra small figure provided by the invention, is set by the inside in base body
Surrounding boss is set, surrounding groove is set in the inside of rear cover, so that the surrounding groove that the surrounding boss on base body is covered with after
It is fitted close, forms labyrinth structure, and after smearing suitable lubricating grease on the surrounding groove covered after, rear cover is installed to base
On pedestal, the dust tightness, it can be achieved that main body section is further hooked into the square hole of rear cover by the way that barb is arranged on base body
Energy.
5, the dust-proof DC trigger signaling switch of a kind of extra small figure provided by the invention, by first inserting commutation rotating block
Enter base body, and is dialled by the second through-hole on the hexagonal boss alignment base body being arranged on commutation rotating block, then by commutation
Hex-shaped recess on bar is inserted into downward in the second through-hole of base body, is just made the hexagonal boss to commutate on rotating block and is changed
Hex-shaped recess on driving lever is formed to inserting, then with screw from the fourth hole on commutation driving lever until the rotating block that commutates
Third through-hole locking, so that the second through-hole on base body cooperates with the fourth hole perimetral tight on commutation driving lever, it can be effective
Realize the anti-dust performance at commutation position in ground.
6, the dust-proof DC trigger signaling switch of a kind of extra small figure provided by the invention is justified by being arranged on base body
Circular through hole is arranged in column boss on cylinder boss, and push shaft is arranged in circular through hole, dust-proof to be set on the cylinder
On boss, the macropore of dirt-proof boot covers on the cylinder boss of base body, after push shaft protrudes into the circular through hole on cylinder boss, then wears
Aperture and the trigger engagement for entering dirt-proof boot, since the head of the cylinder boss of dirt-proof boot and base body, push shaft is to be 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 signaling switch of extra small figure provided by the invention.
Fig. 2 is a kind of explosive view of the dust-proof DC trigger signaling switch of extra small figure provided by the invention.
Fig. 3 is that a kind of trigger of the dust-proof DC trigger signaling switch of extra small figure provided by the invention is in original state
When, the circuit connection diagram of wiring board lower surface.
Fig. 4 is that a kind of trigger of the dust-proof DC trigger signaling switch of extra small figure provided by the invention is in by shape on earth
When state, the circuit connection diagram of wiring board lower surface.
Fig. 5 is that a kind of commutation driving lever of the dust-proof DC trigger signaling switch of extra small figure provided by the invention is in left-hand
When state, the circuit connection diagram of wiring board upper surface.
Fig. 6 is that a kind of commutation driving lever of the dust-proof DC trigger signaling switch of extra small figure provided by the invention is in dextrad
When state, the circuit connection diagram of wiring board upper surface.
Fig. 7 is an a kind of side of the commutating structure of the dust-proof DC trigger signaling switch of extra small figure provided by the invention
Upward assembling schematic diagram.
Fig. 8 is another of a kind of commutating structure of the dust-proof DC trigger signaling switch of extra small figure provided by the invention
Assembling schematic diagram on direction.
In figure, 1- base body, 2- rear cover, 3- push shaft, 4- locating piece, 5- reset spring, 6- sliding spring plate, 7- wiring board,
8- commutation rotating block, 9- commutation driving lever, 10- trigger, 11- surrounding boss, 12- barb, the second through-hole of 13-, 14- dirt-proof boot, 15-
Winding displacement, 16- self-tapping screw, 17- cylinder boss, 18- circular through hole, 21- surrounding groove, 22- square hole, 23- pit, 24- winding displacement
Positioning convex platform, 31- push shaft groove, 32- push shaft fixture block, 33- push shaft counterbore, 41- positioning column, 42- column, 421- column fixture block,
61- terminal, 62- buckle, 71- resistance band, 72- the first copper foil group, the second copper foil of 73-, 74- third copper foil group, the 4th copper foil of 75-
Group, 76- conductive hole, 77- connecting band, 81- card slot, 82- commutate elastic slice, 83- counterbore, 84- gear spring, 85- ball, 86- the
Three through-holes, 87- hexagonal boss, 811- first boss, 821- first through hole, 91- fourth hole, 92- hex-shaped recess.
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.
A kind of dust-proof DC trigger signaling switch of extra small figure provided by the invention, as shown in Figs. 1-2, including base body
1, rear cover 2 and push shaft 3, one end of the push shaft 3 are arranged in the cabinet that the base body 1 is constituted with rear cover 2, push shaft 3 it is another
The cabinet is extended in one end, is provided with trigger 10；Locating piece 4, institute are provided between the push shaft 3 and the rear cover 2
It states and is provided with positioning column 41 on locating piece 4, be provided with reset spring 5 on the positioning column 41；The top of the push shaft 3 is provided with
Sliding spring plate 6, the top of the sliding spring plate 6 are provided with wiring board 7, and one end of the sliding spring plate 6 and the push shaft 3 connect
It connects, the other end of the sliding spring plate 6 is connect with the wiring board 7；Resistance band 71 is provided on the wiring board 7；The base
Dirt-proof boot 14 is provided between pedestal 1 and the trigger 10；Push shaft counterbore 33, the reset spring 5 are provided on the push shaft 3
It is placed in the push shaft counterbore 33 with the positioning column 41.A kind of dust-proof DC trigger of extra small figure provided by the invention is believed
Number switch, volume is extra small, be suitable for all kinds of rechargeable power tools so that machine assembly be very easy to, handle for tool can be set
Count thinner, so that switch provided by the invention is easier to grasp when in use；Also, switch provided by the invention has excellent
Anti-dust performance meet national safety standard requirement so that electric tool is durable.
As shown in Fig. 1,2,7,8, push shaft groove 31 is provided on the push shaft 3, the terminal 61 of the sliding spring plate 6 is clamped
In the push shaft groove 31.Preferably, buckle 62,62 inclination of buckle are provided on the terminal 61 of the sliding spring plate 6
Ground is arranged in the push shaft groove 31.By the way that inclined buckle 62 is arranged on the terminal 61 of sliding spring plate 6, to pass through the buckle
62 are stuck in sliding spring plate 6 in push shaft groove 31, during movement, occur between sliding spring plate 6 and push shaft 3
Relative motion and lead to switch the case where can not work normally provided in this embodiment.
Preferably, as shown in Fig. 2, being provided with winding displacement positioning convex platform 24 on the rear cover 2, winding displacement in the circuit board is connected
15 are connect by the winding displacement positioning convex platform 24 with the wiring board 7.
As shown in Fig. 2, being provided with push shaft fixture block 32 on the push shaft 3, column 42 is provided on the locating piece 4, it is described
The column fixture block 421 with the push shaft fixture block 32 cooperation is provided on column 42.Pass through push shaft fixture block 32 and column fixture block 421
Clamping, during moving back and forth, push shaft 3 and locating piece 4 completely disengage and cause switch provided in this embodiment anti-thrust shaft 3
It can not work normally.
Preferably, as shown in Fig. 2, the base body 1 is internally provided with surrounding boss 11, the inside of the rear cover 2 is set
It is equipped with surrounding groove 21, is coated with lubricating grease in the surrounding groove 21；It is provided with barb 12 on the base body 1, after described
Square hole 22 is provided on lid 2.The present embodiment is arranged by the way that surrounding boss 11 is arranged in the inside of base body 1 in the inside of rear cover 2
Surrounding groove 21 forms labyrinth knot so that the surrounding boss 11 on base body 1 is fitted close with the surrounding groove 21 on rear cover 2
Structure, and after smearing suitable lubricating grease on the surrounding groove 21 on rear cover 2, rear cover 2 is installed on base body 1, then into one
Step is hooked into the square hole 22 of rear cover 2 by the way that barb 12 is arranged on base body 1, it can be achieved that the anti-dust performance of main body section.
Preferably, it is provided with cylinder boss 17 on the base body 1, is provided with circular through hole on the cylinder boss 17
18, the push shaft 3 is arranged in the circular through hole 18, and the dirt-proof boot 14 is arranged on the cylinder boss 18, by
Cylinder boss 17 is set on base body 1, circular through hole 18 is set on cylinder boss 17, and push shaft 3 is set in circular through hole
In 18, dirt-proof boot 14 is arranged on cylinder boss 17, and the macropore of dirt-proof boot 17 covers on the cylinder boss 17 of base body 1, push shaft 3
After protruding into the circular through hole 18 on cylinder boss 17, then aperture and the engagement of trigger 10 of dirt-proof boot 14 are penetrated, due to dirt-proof boot 14
It is to be fitted close with the cylinder boss 17 of base body 1, the head of push shaft 3, to realize the anti-dust performance at push shaft position.
The dust-proof DC trigger signaling switch of extra small figure provided by the invention a kind of realizes speed regulation, on-off function
The course of work is as follows:
As shown in figure 3, push shaft 3 moves to the right under the drive of trigger 10 when pressing trigger squeeze 10, push shaft 3 is to the right
During side is mobile, the sliding spring plate 6 that 3 top of push shaft is set is driven to slide from left to right, so that on 7 lower surface of wiring board
The first copper foil group connect, connects pin Pin A with Pin B, winding displacement 15 in the circuit board is set by this and connects letter
It number is output to the control panel of electric tool, after control panel obtains the connection signal, control electric tool is powered；Continue by trigger squeeze
When 10, as shown in Figure 4.Push shaft 3 continues that the sliding spring plate 6 that 3 top of push shaft is arranged in is driven to slide to the right, so that under wiring board 7
From large to small, the winding displacement 15 being arranged in the circuit board changes this to fixed carbon resister between pin Pin 2 on surface and Pin 4
Signal is output to the control panel of electric tool, and after control panel obtains the variable signal, control electric tool, which is powered, adjusts the speed boosting.Extremely
This, the dust-proof DC trigger signaling switch of extra small figure provided in this embodiment realizes the connection of electric tool, speed regulation boosting
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 6 right-to-left of sliding spring plate so that between pin Pin 2 and Pin 4 on 7 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 15 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 7 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 15 in the circuit board is arranged, control panel obtains
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 is opened
Close speed regulation decompression, the break function for realizing electric tool.
Preferably, the present invention is also able to achieve the signal commutation function of switch, and the present invention may be accomplished by switching
Commutation function.
When the present invention is able to achieve the signal commutation function of switch, the wiring board is double-sided wiring board, such as Fig. 3-5 institute
Show, the lower surface of the wiring board 7 is provided with resistance band 71, the first copper foil group 72 and the second copper foil 73, the wiring board it is upper
Third copper foil group 74 is arranged in surface；The end of the wiring board is provided with the 4th copper foil group 75 connecting with winding displacement, and the described 4th
Copper foil group 75 is the two-sided copper foil group with conductive hole 76；The upper and lower surfaces of the wiring board are provided with connecting band 77；Described
Signal is connected in the control of one copper foil group 72, second copper foil 73 and fixed carbon resister band 71 output resistance signal together.
As shown in Fig. 1,2,7,8, the top of the wiring board 7 is provided with commutation rotating block 8, the commutation rotating block 8
Top is provided with commutation driving lever 9 connected to it；The bottom of the commutation rotating block 8 is provided with card slot 81, in the card slot 81
It is provided with the commutation elastic slice 82 contacted with the upper surface of the wiring board 7；One end of the commutation rotating block 8 is provided with counterbore
83, it is provided with gear spring 84 in the counterbore 83, the end of the gear spring 84 is provided with ball 85, on the rear cover 2
It is provided with pit 23.
As shown in Fig. 2, being provided with first boss 811 in the card slot 81, it is logical that first is provided on the commutation elastic slice 82
Hole 821, the commutation elastic slice 82 are connected in the first boss 811 by the first through hole 821.
As shown in Fig. 2, being provided with the second through-hole 13 on the base body 1, the commutation driving lever 9 passes through second through-hole
13 connect with the commutation rotating block 8.
As shown in Fig. 2, being provided with third through-hole 86 on the commutation rotating block 8, the 4th is provided on the commutation driving lever 9
Through-hole 91 passes through self tapping spiral shell between the third through-hole 86 and the fourth hole 91 to commutate on driving lever 9 of the commutation rotating block 8
Silk 16 connects.
Preferably, as shown in Fig. 1,2,7,8, hexagonal boss 87, the hexagon are provided on the commutation rotating block 8
Third through-hole 86 is provided on boss 87；Hex-shaped recess 92 is provided on the commutation driving lever 9, in the hex-shaped recess 92
It is provided with fourth hole 91；It is described commutation rotating block 8 on third through-hole 86 and it is described commutation driving lever 9 on fourth hole 91 it
Between connected by self-tapping screw 16.The present embodiment is turned setting in commutation by the way that commutation rotating block 8 is first inserted into base body 1
Hexagonal boss 87 on motion block 8 is directed at the second through-hole 13 on base body 1, then by the hex-shaped recess 92 on driving lever 9 that commutates
It is inserted into the second through-hole 13 of base body 1, just makes on commutation rotating block in 8 hexagonal boss 87 and commutation driving lever 9 downward
Hex-shaped recess 92 formed to insert, then with self-tapping screw 16 from commutation driving lever 9 on fourth hole 91 until commutation rotation
The third through-hole 86 of block 8 is locked, so that the second through-hole 13 on base body 1 and 91 periphery of fourth hole on commutation driving lever 9 are tight
Close fit can effectively realize the anti-dust performance at commutation position.
A kind of dust-proof DC trigger signaling switch of extra small figure provided by the invention, the in fact course of work of commutation function
It is as follows:
When commutation driving lever 9 is stirred in left and right, the tail portion of commutation driving lever 9, which drives, to be arranged in the counterbore 83 of commutation rotating block 8
Steel ball 85 beat in the pit 23 on rear cover 2, while commutate elastic slice 82 commutation rotating block 8 drive under, assist side 7
Upper surface turn to the right or left steering sliding, to realize the commutation function of electric tool.
As shown in figure 5, commutation driving lever 9 drives commutation rotating block 8 to turn right when the driving lever 9 that commutates turns left, commutate
Rotating block 8 drives the commutation elastic slice 82 being arranged in commutation 8 bottom card slot 81 of rotating block to turn right, while the rotating block 8 that commutates
By driving the gear spring 84 in the counterbore 83 that commutation rotating block 8 is arranged in that ball 85 is driven to jump to the rightmost side on rear cover 2
Pit 23 in.At this point, the pin Pin 3 on 7 lower surface of wiring board is connected with Pin 5, winding displacement 15 in the circuit board is set
This dextrad turn signal is output to the control panel of electric tool, after control panel obtains the variable signal, control electric tool is just
To work.
As shown in fig. 6, commutation driving lever 9 drives commutation rotating block 8 to turn left when the driving lever 9 that commutates turns right, commutate
Rotating block 8 drives the commutation elastic slice 82 in setting commutation 8 bottom card slot 81 of rotating block to turn left, while the rotating block 8 that commutates is logical
It crosses and drives the gear spring 84 in the counterbore 83 that commutation rotating block 8 is set that ball 85 is driven to jump to the leftmost side on rear cover 2
In pit 23.At this point, the pin Pin 3 on 7 lower surface of wiring board is connected with Pin 1, the winding displacement 15 being arranged in the circuit board will
This left-hand turn signal is output to the control panel of electric tool, and after control panel obtains the variable signal, control electric tool is reversed
Work.
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 (14)
1. a kind of dust-proof DC trigger signaling switch of extra small figure, which is characterized in that including base body, rear cover and push shaft, institute
The one end for stating 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,
On be provided with trigger；It is provided with locating piece between the push shaft and the rear cover, positioning column is provided on the locating piece, it is described
Reset spring is provided on positioning column；It is provided with sliding spring plate above the push shaft, is provided with above the sliding spring plate
Wiring board, one end of the sliding spring plate are connect with the push shaft, and the other end of the sliding spring plate is connect with the wiring board；
Resistance band is provided on the wiring board.
2. a kind of dust-proof DC trigger signaling switch of extra small figure according to claim 1, it is characterised in that: described to push away
Push shaft groove is provided on axis, the terminal of the sliding spring plate is connected in the push shaft groove.
3. a kind of dust-proof DC trigger signaling switch of extra small figure according to claim 2, it is characterised in that: the cunning
Buckle is provided on the terminal of spring plate, the buckle is obliquely arranged on the terminal of the sliding spring plate.
4. a kind of dust-proof DC trigger signaling switch of extra small figure according to claim 1-3, feature exist
In: the wiring board is double-sided wiring board, and the lower surface of the wiring board is provided with resistance band, the first copper foil group and the second bronze medal
Third copper foil group is arranged in the upper surface of foil, the wiring board；The end of the wiring board is provided with the 4th bronze medal connecting with winding displacement
Foil group, the 4th copper foil group are the two-sided copper foil group with conductive hole；The upper and lower surfaces of the wiring board are provided with connection
Band.
5. a kind of dust-proof DC trigger signaling switch of extra small figure according to claim 4, it is characterised in that: the line
It is provided with commutation rotating block above the plate of road, is provided with commutation driving lever connected to it above the commutation rotating block；It is described
The bottom of commutation rotating block is provided with card slot, and the commutation bullet contacted with the upper surface of the wiring board is provided in the card slot
Piece；One end of the commutation rotating block is provided with counterbore, and gear spring, the end of the gear spring are provided in the counterbore
It is provided with ball, is covered after described and is provided with pit.
6. a kind of dust-proof DC trigger signaling switch of extra small figure according to claim 5, it is characterised in that: the card
It is provided with first boss in slot, first through hole is provided on the commutation elastic slice, the commutation elastic slice passes through the first through hole
It is connected in the first boss.
7. a kind of dust-proof DC trigger signaling switch of extra small figure according to claim 5 or 6, it is characterised in that: institute
It states and is provided with the second through-hole on base body, the commutation driving lever is connect by second through-hole with the commutation rotating block.
8. a kind of dust-proof DC trigger signaling switch of extra small figure according to claim 5 or 6, it is characterised in that: institute
It states and is provided with third through-hole on commutation rotating block, be provided with fourth hole on the commutation driving lever, the of the rotating block that commutates
It is connected between fourth hole on three through-holes and the commutation driving lever by self-tapping screw.
9. a kind of dust-proof DC trigger signaling switch of extra small figure according to claim 8, it is characterised in that: described to change
It is provided with hexagonal boss on rotating block, is provided with third through-hole in the hexagonal boss；It is arranged on the commutation driving lever
There is hex-shaped recess, is provided with fourth hole in the hex-shaped recess；The third through-hole of the commutation rotating block is changed with described
Pass through screw connection between fourth hole on driving lever.
10. a kind of dust-proof DC trigger signaling switch of extra small figure according to claim 1-3, feature exist
In: it is covered after described and is provided with winding displacement positioning convex platform, the winding displacement connected in the circuit board passes through the winding displacement positioning convex platform and institute
State wiring board connection.
11. a kind of dust-proof DC trigger signaling switch of extra small figure according to claim 1-3, feature exist
In: it is provided with push shaft fixture block on the push shaft, column is provided on the locating piece, is provided on the column and the push shaft
The column fixture block of fixture block cooperation.
12. a kind of dust-proof DC trigger signaling switch of extra small figure according to claim 1-3, 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.
13. a kind of dust-proof DC trigger signaling switch of extra small figure according to claim 12, it is characterised in that: described
It is provided with barb on base body, is covered after described and is provided with square hole；Dirt-proof boot is provided between the base body and the trigger.
14. a kind of dust-proof DC trigger signaling switch of extra small figure according to claim 13, it is characterised in that: described
It is provided with cylinder boss on base body, circular through hole is provided on the cylinder boss, the push shaft setting is described round logical
Kong Zhong, it is described dust-proof to be set on the cylinder boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811026497.9A CN108962644A (en) | 2018-09-04 | 2018-09-04 | A kind of dust-proof DC trigger signaling switch of extra small figure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811026497.9A CN108962644A (en) | 2018-09-04 | 2018-09-04 | A kind of dust-proof DC trigger signaling switch of extra small figure |
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| CN108962644A true CN108962644A (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811026497.9A Pending CN108962644A (en) | 2018-09-04 | 2018-09-04 | A kind of dust-proof DC trigger signaling switch of extra small figure |
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| CN110060893A (en) * | 2019-04-11 | 2019-07-26 | 浙江佳奔电子有限公司 | A kind of dust-proof exchange plate machine speed regulation switch of extra small figure |
| CN112951628A (en) * | 2021-03-01 | 2021-06-11 | 永康市川木电器有限公司 | Dustproof direct current trigger switch of ultra-small size |
| 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. |