CN113921311A - Mini DC brushless trigger signal switch - Google Patents
Mini DC brushless trigger signal switch Download PDFInfo
- Publication number
- CN113921311A CN113921311A CN202111164157.4A CN202111164157A CN113921311A CN 113921311 A CN113921311 A CN 113921311A CN 202111164157 A CN202111164157 A CN 202111164157A CN 113921311 A CN113921311 A CN 113921311A
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- reversing
- push shaft
- reed
- hole
- signal switch
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- 239000011889 copper foil Substances 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 235000014676 Phragmites communis Nutrition 0.000 claims description 53
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
- 244000273256 Phragmites communis Species 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
-
- 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
- H01H13/04—Cases; Covers
- H01H13/08—Casing of switch constituted by a handle serving a purpose other than the actuation of the 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
- H01H13/12—Movable parts; Contacts mounted thereon
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The utility model provides a pair of miniature direct current brushless trigger signal switch relates to signal switch technical field. The miniature direct-current brushless trigger signal switch comprises a base body, a shell, a push shaft and a return spring, wherein one end of the push shaft extends out of the box body formed by the base body and the shell, and the other end of the push shaft is arranged in the box body; a circuit board assembly is arranged above the push shaft, and a copper foil tape or a carbon film resistance tape is arranged on one surface, close to the push shaft, of the circuit board assembly; a sliding spring set is arranged between the circuit board assembly and the push shaft, one end of the sliding spring set is connected with the push shaft, and the other end of the sliding spring set can slide on the surface of the circuit board assembly corresponding to the copper foil strip or the carbon film resistance strip along with the movement of the push shaft. The miniature direct current brushless trigger signal switch that this disclosed embodiment provided can be fit for the rechargeable electric tool of high dustproof requirement and use, and because the switch appearance is small and exquisite for the electric tool handle can be designed more thinly, more is fit for the gripping.
Description
Technical Field
The present disclosure relates to a signal switch, and more particularly, to a miniature dc brushless trigger signal switch.
Background
The brushless direct current electric tool in the current market generally realizes various control and protection functions by adopting a scheme of a direct current trigger signal switch and a control board component, and the scheme has the following defects:
the general direct current signal switch that uses commonly adopts the switching-over driving lever to carry out the switching-over control, and the switching-over driving lever rotates the not good dustproof performance of department, gets into the dust easily when using in the more electric tool of dust, makes carbon film resistance area wearing and tearing with higher speed easily after the dust gets into more, can cause electric tool speed governing function disorder when carbon film resistance area wearing and tearing are more serious, causes the electric tool high altitude to fall easily, has great hidden danger to personal safety, does not conform to national safety standard's requirement.
The DC signal switch size commonly used is great, causes electric tool handle to design thicker, and it is tired to produce the staff easily when the long-time operation gripping electric tool of staff, and the gripping power can reduce, causes electric tool high altitude to fall easily, has great hidden danger to personal safety, does not accord with national safety standard's requirement.
Therefore, it is imperative to design a miniature DC brushless trigger signal switch with excellent dustproof performance.
Disclosure of Invention
According to a first aspect of the embodiments of the present disclosure, there is provided a miniature dc brushless trigger signal switch, which includes a base body, a housing, a push shaft, and a return spring, wherein one end of the push shaft extends out of a box body formed by the base body and the housing, and the other end is disposed in the box body;
a circuit board assembly is arranged above the push shaft, and a copper foil tape or a carbon film resistance tape is arranged on one surface, close to the push shaft, of the circuit board assembly;
and a sliding reed set is arranged between the circuit board assembly and the push shaft, one end of the sliding reed set is connected with the push shaft, and the other end of the sliding reed set can slide on the surface of the circuit board assembly corresponding to the position of the copper foil strip or the carbon film resistance strip along with the movement of the push shaft.
In one embodiment, the switch further comprises a reversing structure arranged above the circuit board assembly, and a gear copper foil is arranged on one surface, far away from the push shaft, of the circuit board assembly;
a reversing reed is arranged between the reversing structure and the circuit board assembly, one end of the reversing reed is connected with the reversing structure, and the other end of the reversing reed can rotate at the position, corresponding to the gear copper foil, on the surface of the circuit assembly along with the rotation of the reversing structure.
In one embodiment, the reversing structure comprises a reversing turntable and a reversing deflector rod arranged at the top of the reversing turntable, and one end of a reversing reed is connected with the reversing turntable;
the reversing turntable is provided with a through hole extending transversely, a reversing spring is arranged in the through hole, steel balls are arranged at two ends of the reversing spring, gear grooves are formed in the positions, corresponding to the steel balls, of two sides of the shell, and the steel balls can roll in the gear grooves.
In one embodiment, a groove is arranged on one surface of the reversing rotary disc close to the reversing reed, at least one first connecting column is arranged in the groove, and a first connecting hole is arranged on the reversing reed at a position corresponding to the first connecting column;
and the reversing reed is arranged on the reversing turntable through the matching of the first connecting hole and the first connecting column.
In one embodiment, a second connecting column and a clamping block are arranged on one surface, far away from the reversing reed, of the reversing turntable, a second connecting hole is formed in the position, corresponding to the second connecting column, of the reversing deflector rod, and a clamping groove is formed in the position, corresponding to the clamping block, of the reversing deflector rod;
the second connecting column is matched with the second connecting hole to drive the reversing reed to rotate on the surface of the circuit board assembly, and the reversing deflector rod is connected to the reversing turntable through the matching of the clamping block and the clamping groove.
In one embodiment, the set of sliding springs comprises a first sliding spring and a second sliding spring;
a first clamping sheet is arranged at one end of the first sliding reed, which is connected with the push shaft, and a second clamping sheet is arranged at one end of the second sliding reed, which is connected with the push shaft;
the push shaft is provided with a first T-shaped groove and a second T-shaped groove, the first clamping piece is clamped in the first T-shaped groove, and the second clamping piece is clamped in the second T-shaped groove.
In one embodiment, an external dust-proof sleeve is arranged on the push shaft;
one end of the external dustproof sleeve extends into the box body, and the other end of the external dustproof sleeve extends out of the box body;
and a trigger is arranged at one end of the external dustproof sleeve extending out of the box body.
In one embodiment, a circular through hole is formed in the shell, and the reversing rotary disc is installed in the circular through hole;
the reversing deflector rod is provided with a plurality of annular bosses corresponding to the annular bosses, and the annular bosses and the annular grooves form a pair-insertion labyrinth structure.
In one embodiment, the switch further comprises a positioning post;
one end of the push shaft, which is arranged in the box body, is provided with a push shaft hole, one end of the reset spring is arranged in the push shaft hole, and the other end of the reset spring is arranged on the positioning column;
the base is provided with a semi-circle hole of the base, the shell is provided with a semi-circle hole of the shell, and the semi-circle hole of the base and the semi-circle hole of the shell form a push shaft through hole.
In one embodiment, base body bosses are arranged on the periphery of the base body, and the outer shell and the base body form a close-fit structure.
The implementation of the present disclosure includes the following technical effects:
1. the utility model provides a brushless trigger signal switch of miniature direct current, switch-band signal break-make function, the circuit board is uncharged completely behind the release switch trigger for the electric tool battery leak current is zero, can effectively prolong battery life, reduces because the risk that the battery overdischarge caused, accords with the requirement of national safety standard.
2. The miniature direct current brushless trigger signal switch that this disclosure provided, the switch can be fit for the rechargeable electric tool use of high dustproof requirement, and the usage is extensive. Because the switch appearance is small and exquisite for electric tool handle can design more thinly, more is fit for the gripping.
3. The miniature direct current brushless trigger signal switch that this disclosure provided, and the switch has good dustproof performance for electric tool durable accords with national safety standard requirement.
Drawings
Fig. 1 is a schematic diagram of an outline of a miniature dc brushless trigger signal switch according to an embodiment of the present disclosure.
Fig. 2 is an exploded view of the components of the miniature dc brushless trigger signal switch according to the embodiment of the present disclosure.
Fig. 3 is an assembly diagram of a push shaft assembly of a mini dc brushless trigger signal switch according to an embodiment of the present disclosure.
Fig. 4 is an assembly diagram of a mini dc brushless trigger signal switch reversing turntable assembly according to an embodiment of the present disclosure.
Fig. 5 is a schematic view of an assembly of a mini dc brushless trigger signal switch commutation turntable assembly and a housing according to an embodiment of the present disclosure.
Fig. 6 is a schematic view of an assembly of a mini dc brushless trigger signal switch body according to an embodiment of the present disclosure.
Fig. 7 is a schematic diagram of the mini dc brushless trigger signal switch commutation carousel in left and right positions according to the embodiment of the present disclosure.
Fig. 8 is a schematic diagram of an initial state of a mini dc brushless trigger signal switch and a bottom-pressed state according to an embodiment of the disclosure.
Fig. 9 is an assembly schematic diagram of a mini dc brushless trigger signal switch reversing dial and a trigger provided in the embodiment of the present disclosure.
In the figure, 1-base body, 2-shell, 3-push shaft, 4-reset spring, 5-circuit board assembly, 6-copper foil tape or carbon film resistance tape, 7-gear copper foil, 8-reversing reed, 9-reversing turntable, 10-reversing deflector rod, 11-sliding reed set, 12-external dust-proof sleeve, 13-trigger, 14-positioning column, 101-base body semicircular hole, 102-base body boss, 201-gear groove, 202-circular through hole, 203-annular boss, 204-shell semicircular hole, 31-first T-shaped groove, 32-second T-shaped groove, 81-first connecting hole, 91-through hole, 92-reversing spring, 93-steel ball, 94-groove, 95-first connecting column, 96-second connecting column, 97-clamping block, 1001-annular groove, 1002-second connecting hole, 1003-clamping groove, 11A-first sliding spring leaf, 11B-second sliding spring leaf, 111-first clamping sheet and 112-second clamping sheet.
Detailed Description
The present disclosure will be described in detail below with reference to embodiments and drawings, it being noted that the described embodiments are only intended to facilitate understanding of the present disclosure, and do not impose any limitation thereon. The orientations described in the present application, such as up, down, left, right, and left, are convenient to use and described with reference to the drawings, and do not limit the scope of protection.
As shown in fig. 1 to 9, the present disclosure provides a miniature dc brushless trigger signal switch, which includes a base body 1, a housing 2, a push shaft 3, and a return spring 4, wherein one end of the push shaft 3 extends out of a box body formed by the base body 1 and the housing 2, and the other end is disposed in the box body;
a circuit board assembly 5 is arranged above the push shaft 3, and a copper foil tape or a carbon film resistance tape 6 is arranged on one surface, close to the push shaft 3, of the circuit board assembly 5;
a sliding reed set is arranged between the circuit board assembly 5 and the push shaft 3, one end of the sliding reed set is connected with the push shaft 3, and the other end of the sliding reed set can slide on the surface of the circuit board assembly 5 corresponding to the position of the copper foil strip or the carbon film resistance strip 6 along with the movement of the push shaft 3.
According to the signal switch band switching function of the miniature direct-current brushless trigger, the circuit board is completely uncharged after the switch trigger is released, so that the leakage current of the battery of the electric tool is zero, the service life of the battery can be effectively prolonged, the risk caused by over discharge of the battery is reduced, and the signal switch band switching function meets the requirement of national safety standard; in addition, the miniature direct-current brushless trigger signal switch provided by the embodiment of the disclosure can be suitable for rechargeable electric tools with high dustproof requirements, and is wide in application. Moreover, the switch is small in appearance, so that the electric tool handle can be designed to be thinner and more suitable for grasping.
As shown in fig. 2 and 7, the switch further includes a commutation structure disposed above the circuit board assembly 5, and a gear copper foil 7 is disposed on a surface of the circuit board assembly 5 away from the push shaft 3;
a reversing reed 8 is arranged between the reversing structure and the circuit board assembly, one end of the reversing reed 8 is connected with the reversing structure, and the other end of the reversing reed 8 can rotate at the position, corresponding to the gear copper foil 7, on the surface of the circuit assembly 5 along with the rotation of the reversing structure.
As shown in fig. 2 and 9, the reversing structure comprises a reversing turntable 9 and a reversing deflector rod 10 arranged at the top of the reversing turntable 9, and one end of the reversing reed 8 is connected with the reversing turntable 9;
the reversing turntable 9 is provided with a through hole 91 extending transversely, a reversing spring 92 is arranged in the through hole 91, steel balls 93 are arranged at two ends of the reversing spring 92, gear grooves 201 are arranged at positions, corresponding to the steel balls 93, of two sides of the shell 2, and the steel balls 93 can roll in the gear grooves 201.
As shown in fig. 2, 4 and 9, a groove 94 is formed in a surface of the reversing rotary disc 9, which is close to the reversing reed 8, at least one first connection column 95 is arranged in the groove 94, and a first connection hole 81 is formed in the reversing reed 8 at a position corresponding to the first connection column 95;
the reversing reed 8 is arranged on the reversing rotary disc through the matching of the first connecting hole 81 and the first connecting column 95.
As shown in fig. 2 and 9, a second connecting column 96 and a clamping block 97 are arranged on one surface of the reversing turntable 9, which is far away from the reversing reed 8, a second connecting hole 1002 is arranged on the reversing shift lever 10, which corresponds to the second connecting column 96, and a clamping groove 1003 is arranged on the reversing shift lever 10, which corresponds to the clamping block 97;
the second connecting column 92 is matched with the second connecting hole 1002 to drive the reversing reed 8 to rotate on the surface of the circuit board assembly 5, and the reversing deflector rod 10 is connected to the reversing rotary table 9 through the matching of the clamping block 97 and the clamping groove 1003.
As shown in fig. 2, 3 and 6, the sliding spring group 11 includes a first sliding spring 11A and a second sliding spring 11B;
a first clamping sheet 111 is arranged at one end of the first sliding spring plate 11A connected with the push shaft 3, and a second clamping sheet 112 is arranged at one end of the second sliding spring plate 11B connected with the push shaft 3;
push away and be provided with first T type groove 31 and second T type groove 32 on the axle 3, first joint piece 111 joint in first T type groove 31, second joint piece 112 joint in second T type groove 32.
As shown in fig. 1, 2 and 9, an external dust-proof sleeve 12 is arranged on the push shaft 3;
one end of the external dustproof sleeve 12 extends into the box body, and the other end of the external dustproof sleeve 12 extends out of the box body;
one end of the outer dustproof sleeve 12 extending out of the box body is provided with a trigger 13.
As shown in fig. 2 and 5, a circular through hole 202 is formed in the housing 2, and the reversing rotary table 9 is installed in the circular through hole 202;
a plurality of annular bosses 203 are arranged on the shell 2 at positions close to the circular through hole 202, annular grooves 1001 are arranged on the reversing deflector rod 10 at positions corresponding to the annular bosses 203, and the annular bosses 203 and the annular grooves 1001 form an opposite insertion labyrinth structure.
In the embodiment of the disclosure, the annular groove is arranged on the shell, the annular boss is arranged on the reversing drive plate, the annular groove and the annular boss form an opposite insertion labyrinth structure, grease is properly coated, and dust prevention of the reversing part can be realized after the installation is finished.
In one embodiment, the switch further comprises a positioning post 14;
a push shaft hole is formed in one end, arranged in the box body, of the push shaft 3, one end of the reset spring 4 is arranged in the push shaft hole, and the other end of the reset spring is arranged on the positioning column 14;
the novel bearing base is characterized in that a base body semicircular hole 101 is formed in the base body 1, a shell semicircular hole 204 is formed in the shell 2, the base body semicircular hole 101 and the shell semicircular hole 204 form a thrust shaft through hole, and semicircular bosses are arranged on the base body semicircular hole 101 and the shell semicircular hole 204.
In the embodiment of the disclosure, the base body and the outer shell are both provided with the semicircular bosses, the big end of the external dustproof sleeve is just sleeved outside the circular boss formed by the base and the outer shell and is in tight fit, and the small end of the external dustproof sleeve is sleeved at the front end of the push shaft, so that the dustproof of the push shaft can be realized.
In one embodiment, a housing groove 205 is formed around the inside of the housing 2, a base body boss 102 is formed around the base body 1, and the housing 2 and the base body boss 102 are in a close-fitting structure.
In the embodiment of the disclosure, all be equipped with base body boss around the base body, shell and base body boss just are closely cooperating, after properly smearing the grease again, can realize the dustproof of main part position after the installation is accomplished.
When the miniature direct-current brushless trigger signal switch provided by the embodiment of the disclosure is pressed and loosened, the trigger drives the push shaft to drive the two sliding reeds to slide on the circuit board, so that one group of copper foils is connected, and the signal on-off function of the switch is realized; meanwhile, the other sliding reed slides on a row of obliquely arranged copper foil strips or carbon film resistance strips on the surface of the circuit board to realize a resistance value change signal, the resistance value change signal is output to an electric tool control board to realize a speed regulation function of the electric tool, the reversing reed can rotate and slide on the copper foil on the other surface of the circuit board assembly to realize that a reversing signal is output to the electric tool control board to realize a reversing function of the electric tool, three pits are formed in the shell to enable the reversing turntable to realize three-gear shifting under the action of the steel ball spring, and no signal is output at the middle gear position.
It should be noted that, the wires in the embodiment of the present disclosure are flat cables or split wires, and are respectively soldered in the gold finger holes on the upper surface of the circuit board assembly, so that the soldering process is easily implemented due to the design.
The embodiment of the disclosure provides a miniature direct current brushless trigger signal switch, the working process is as follows:
as shown in fig. 8, when the trigger 13 is pressed, the push shaft 3 is driven by the trigger 13 to move to the left, and 2 sliding reeds 11A and 11B on the push shaft 3 also slide to the left, wherein the sliding reeds 11A slide on the circuit board assembly 5 to connect the copper foil pins Pin 5 and Pin 6, and the electric tool control board has an input voltage at this time, the trigger 13 is continuously pressed to drive the push shaft 3 to continuously drive the sliding reeds 11B to slide from right to left, so that the carbon film resistance between the pins Pin 1 and Pin 8 of the circuit board assembly is reduced, and the signal is output to the electric tool control board through a lead, thereby realizing the speed-regulating and voltage-boosting functions of the electric tool.
When the trigger 13 is released, as shown in fig. 8, the push shaft 3 is gradually reset under the action of the reset spring 5, the push shaft 3 slides to the right side to drive the sliding reed 11B to slide from left to right, so that the resistance of the carbon film between the pins Pin 1 and Pin 8 on the right surface of the circuit board assembly 5 is changed from small to large, the signal is output to the control board of the electric tool through a lead, the speed regulation and voltage reduction functions of the electric tool are realized, the trigger 13 is continuously released to drive the sliding reed 11A to slide from left to right, the pins Pin 5 and Pin 6 on the right surface of the circuit board assembly 5 are disconnected, the control board obtains a disconnection signal, the circuit board is controlled to be powered off, and the electric tool is powered off.
When the reversing dial plate 10 is shifted to the middle position, the two steel balls 93 in the circular through hole 91 of the reversing turntable stay in the gear groove 201 of the shell 2 under the action of the reversing spring 92, so that obvious gear feeling can be realized. As shown in fig. 7, when the direction-changing dial 10 is in the right direction, pins Pin 2 and Pin 4 on the surface of the circuit board assembly 5 are connected, and a signal is output to the control board to realize the reverse operation of the electric tool; when the reversing dial 10 is shifted to the left direction as shown in fig. 7, pins Pin 2 and Pin 3 on the surface of the circuit board assembly 5 are connected, and a signal is output to the control board to realize the forward operation of the electric tool, so that the reversing function of the switch is realized.
Finally, it should be noted that the above embodiments are only intended to illustrate the technical solutions of the present disclosure, and not to limit the scope of the present disclosure, and although the present disclosure has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present disclosure without departing from the spirit and scope of the technical solutions of the present disclosure.
Claims (10)
1. A miniature direct current brushless trigger signal switch is characterized by comprising a base body, a shell, a push shaft and a reset spring, wherein one end of the push shaft extends out of the box body formed by the base body and the shell, and the other end of the push shaft is arranged in the box body;
a circuit board assembly is arranged above the push shaft, and a copper foil tape or a carbon film resistance tape is arranged on one surface, close to the push shaft, of the circuit board assembly;
and a sliding reed set is arranged between the circuit board assembly and the push shaft, one end of the sliding reed set is connected with the push shaft, and the other end of the sliding reed set can slide on the surface of the circuit board assembly corresponding to the position of the copper foil strip or the carbon film resistance strip along with the movement of the push shaft.
2. The miniature dc brushless trigger signal switch of claim 1, further comprising a commutation structure disposed above the circuit board assembly, wherein a copper foil is disposed on a side of the circuit board assembly away from the push shaft;
a reversing reed is arranged between the reversing structure and the circuit board assembly, one end of the reversing reed is connected with the reversing structure, and the other end of the reversing reed can rotate at the position, corresponding to the gear copper foil, on the surface of the circuit assembly along with the rotation of the reversing structure.
3. The miniature dc brushless trigger signal switch of claim 2, wherein the commutation structure comprises a commutation turntable and a commutation shifter lever disposed on top of the commutation turntable, one end of the commutation reed is connected to the commutation turntable;
the reversing turntable is provided with a through hole extending transversely, a reversing spring is arranged in the through hole, steel balls are arranged at two ends of the reversing spring, gear grooves are formed in the positions, corresponding to the steel balls, of two sides of the shell, and the steel balls can roll in the gear grooves.
4. The miniature DC brushless trigger signal switch according to claim 3, wherein a groove is formed on a surface of the reversing rotary disc near the reversing reed, at least one first connection post is arranged in the groove, and a first connection hole is formed on the reversing reed corresponding to the first connection post;
and the reversing reed is arranged on the reversing turntable through the matching of the first connecting hole and the first connecting column.
5. The miniature DC brushless trigger signal switch according to claim 4, wherein a second connecting post and a clamping block are disposed on a surface of the reversing turntable away from the reversing reed, a second connecting hole is disposed on the reversing lever corresponding to the second connecting post, and a clamping groove is disposed on the reversing lever corresponding to the clamping block;
the second connecting column is matched with the second connecting hole to drive the reversing reed to rotate on the surface of the circuit board assembly, and the reversing deflector rod is connected to the reversing turntable through the matching of the clamping block and the clamping groove.
6. The miniature dc brushless trigger signal switch of any of claims 1-5, wherein the sliding reed set comprises a first sliding reed and a second sliding reed;
a first clamping sheet is arranged at one end of the first sliding reed, which is connected with the push shaft, and a second clamping sheet is arranged at one end of the second sliding reed, which is connected with the push shaft;
the push shaft is provided with a first T-shaped groove and a second T-shaped groove, the first clamping piece is clamped in the first T-shaped groove, and the second clamping piece is clamped in the second T-shaped groove.
7. The miniature dc brushless trigger signal switch of any of claims 1-5, wherein an external dust boot is disposed on the push shaft;
one end of the external dustproof sleeve extends into the box body, and the other end of the external dustproof sleeve extends out of the box body;
and a trigger is arranged at one end of the external dustproof sleeve extending out of the box body.
8. The miniature dc brushless trigger signal switch of any one of claims 3-5, wherein the housing is provided with a circular through hole, and the commutation turntable is mounted in the circular through hole;
the reversing deflector rod is provided with a plurality of annular bosses corresponding to the annular bosses, and the annular bosses and the annular grooves form a pair-insertion labyrinth structure.
9. The miniature dc brushless trigger signal switch of any of claims 1-5, wherein the switch further comprises a positioning post;
one end of the push shaft, which is arranged in the box body, is provided with a push shaft hole, one end of the reset spring is arranged in the push shaft hole, and the other end of the reset spring is arranged on the positioning column;
a semicircular hole of the base body is formed in the base body, a semicircular hole of the shell is formed in the shell, and the semicircular hole of the base body and the semicircular hole of the shell form a through hole for a push shaft;
semi-circular bosses are arranged on the semi-circular hole of the base body and the semi-circular hole of the shell.
10. The miniature DC brushless trigger signal switch according to any one of claims 1-5, wherein the base body is provided with base body bosses on the periphery, and the housing and the base body bosses form a close fit structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111164157.4A CN113921311A (en) | 2021-09-30 | 2021-09-30 | Mini DC brushless trigger signal switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111164157.4A CN113921311A (en) | 2021-09-30 | 2021-09-30 | Mini DC brushless trigger signal switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113921311A true CN113921311A (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111164157.4A Pending CN113921311A (en) | 2021-09-30 | 2021-09-30 | Mini DC brushless trigger signal switch |
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| CN (1) | CN113921311A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205159133U (en) * | 2015-12-04 | 2016-04-13 | 苏州华之杰电讯有限公司 | Motor direct current switch |
| CN107393740A (en) * | 2017-07-14 | 2017-11-24 | 浙江佳奔电子有限公司 | With dust reduction capability and with the direct current button switch of potentiometer output |
| 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 |
| CN109671582A (en) * | 2019-01-24 | 2019-04-23 | 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 |
| CN209708890U (en) * | 2019-04-09 | 2019-11-29 | 浙江佳奔电子有限公司 | A kind of dust-proof plate machine speed regulation switch of band machinery speed-limitation structure |
| CN209822533U (en) * | 2019-04-11 | 2019-12-20 | 浙江佳奔电子有限公司 | Direct current trigger switch with quick dragging structure |
| CN110767474A (en) * | 2019-11-21 | 2020-02-07 | 浙江佳奔电子有限公司 | DC trigger switch with double contact point contact structure |
| CN216212955U (en) * | 2021-09-30 | 2022-04-05 | 浙江佳奔电子有限公司 | Mini DC brushless trigger signal switch |
-
2021
- 2021-09-30 CN CN202111164157.4A patent/CN113921311A/en active Pending
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| CN205159133U (en) * | 2015-12-04 | 2016-04-13 | 苏州华之杰电讯有限公司 | Motor direct current switch |
| CN107393740A (en) * | 2017-07-14 | 2017-11-24 | 浙江佳奔电子有限公司 | With dust reduction capability and with the direct current button switch of potentiometer output |
| 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 |
| CN109671582A (en) * | 2019-01-24 | 2019-04-23 | 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 |
| CN209708890U (en) * | 2019-04-09 | 2019-11-29 | 浙江佳奔电子有限公司 | A kind of dust-proof plate machine speed regulation switch of band machinery speed-limitation structure |
| CN209822533U (en) * | 2019-04-11 | 2019-12-20 | 浙江佳奔电子有限公司 | Direct current trigger switch with quick dragging structure |
| CN110767474A (en) * | 2019-11-21 | 2020-02-07 | 浙江佳奔电子有限公司 | DC trigger switch with double contact point contact structure |
| CN216212955U (en) * | 2021-09-30 | 2022-04-05 | 浙江佳奔电子有限公司 | Mini DC brushless trigger signal switch |
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