CN117393354A - Trigger switch capable of being stably pressed - Google Patents
Trigger switch capable of being stably pressed Download PDFInfo
- Publication number
- CN117393354A CN117393354A CN202310728439.5A CN202310728439A CN117393354A CN 117393354 A CN117393354 A CN 117393354A CN 202310728439 A CN202310728439 A CN 202310728439A CN 117393354 A CN117393354 A CN 117393354A
- Authority
- CN
- China
- Prior art keywords
- trigger
- unit
- circuit board
- shell seat
- steering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 238000004378 air conditioning Methods 0.000 claims description 2
- 239000012634 fragment Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
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
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/10—Bases; Stationary contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/84—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback
- H01H13/85—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback characterised by tactile feedback features
Abstract
A trigger switch capable of being stably pressed comprises a shell seat unit and a trigger unit. The shell seat unit surrounds and defines a containing chamber, and is provided with an opening and two limiting parts positioned outside the containing chamber. The limiting parts are arranged on two opposite sides of the opening at intervals. The trigger unit is operatively disposed to the housing unit and includes a slide mount and a trigger assembly. The sliding seat is positioned in the accommodating chamber. The trigger group is provided with a push rod which can movably penetrate through the opening and is provided for the sliding seat to be arranged, and a trigger button which is arranged at one end of the push rod exposed out of the shell seat unit. The trigger button is provided with two guide pieces which can slide along the limiting parts respectively. When the trigger button is pressed, the upper side and the lower side of the trigger button are supported, so that the trigger button is not easy to shake and has better pressing hand feeling.
Description
Technical Field
The present invention relates to a trigger switch, and more particularly, to a trigger switch for an electric tool.
Background
The general electric tool is powered on and off by using a trigger switch and a circuit design, and is used for controlling the rotating speed and adjusting the steering.
Referring to fig. 1, a conventional trigger switch includes a housing 11, a circuit board 12 disposed in the housing 11, a steering device 13 rotatably disposed in the housing 11, and a trigger device 14 capable of being pressed and moved relative to the housing 11.
The steering device 13 has a lever 131 capable of pivoting relative to the housing 11, a steering spring 132 mounted on a bottom surface of a front end of the lever 131 and slidably and electrically connected to a top surface of the circuit board 12, and the lever 131 is shifted to the left or right to drive the steering spring 132 to turn to the right or left relative to the circuit board 12, so as to change a circuit signal to adjust a turning direction (forward rotation or reverse rotation) of the electric tool.
The trigger device 14 has a trigger 141 located outside the housing 11, a push shaft seat 142 extending from the trigger 141 into the housing 11, a conductive spring 143 disposed on the push shaft seat 142 and slidably and electrically connected to the bottom surface of the circuit board 12, and a spring 144 capable of being resiliently disposed between the push shaft seat 142 and the housing 11. When the trigger 141 is pressed, the pushing shaft seat 142 drives the conductive elastic sheet 143 to slide along the circuit board 12 to change the circuit signal, thereby achieving the functions of turning on/off and changing the rotation speed of the electric tool.
However, when the trigger 141 is pressed, the trigger 141 is not supported between the bottom side of the trigger 141 and the housing 11, which may cause the trigger 141 to shake and be unstable, thereby affecting the pressing feeling of the operator.
Disclosure of Invention
The invention aims to provide a trigger switch capable of being pressed stably.
The trigger switch capable of being pressed stably is suitable for being installed on an electric tool and comprises a shell seat unit, a circuit board, a steering unit and a trigger unit.
The shell seat unit surrounds and defines a containing chamber, and is provided with two limiting parts positioned outside the containing chamber, and an opening and a pivoting groove which are spatially communicated with the containing chamber and the surrounding environment. The limiting parts are arranged on two opposite sides of the opening at intervals along the longitudinal direction. The circuit board is used for controlling the operation of the electric tool, is arranged in the accommodating chamber and is provided with a first surface and a second surface which are oppositely arranged. The steering unit can be arranged on the shell seat unit in an operating mode and is electrically connected with the circuit board, the steering unit comprises a steering piece pivoted on the pivot groove and a steering spring piece arranged on the steering piece and capable of being in sliding contact with the second surface of the circuit board, and the steering spring piece can move relative to the circuit board through operating the steering piece.
The trigger unit is operatively disposed in the housing unit and electrically connected to the circuit board, the trigger unit including a slide seat and a trigger set. The sliding seat is positioned in the accommodating chamber and can move relative to the circuit board, and the sliding seat is provided with a plurality of conductive elastic sheets which can be in sliding abutting connection with the first surface of the circuit board. The trigger group can be arranged on the shell seat unit in a pressed mode and drives the sliding seat to move. The trigger group is provided with a push rod which can movably penetrate through the opening and is provided for the sliding seat to be arranged, a trigger button which is arranged at one end of the push rod, which is exposed out of the shell seat unit, and an elastic piece which can be arranged between the push rod and the shell seat unit in a spring way. The trigger button is provided with two guide parts which can slide along the limiting parts respectively, and the conductive elastic sheet can move relative to the circuit board by operating the trigger button.
In the trigger switch capable of being stably pressed, each guide member is a pair of grooves which are opposite to each other at intervals in a transverse direction perpendicular to the longitudinal direction, and each limit portion is a plate body.
The trigger switch capable of being stably pressed is characterized in that the pushing rod is provided with a first connecting part, and the trigger button is also provided with a second connecting part which is detachably arranged on the first connecting part.
The trigger switch capable of being stably pressed is characterized in that the trigger button and the pushing rod are made of plastics.
According to the trigger switch capable of being pressed stably, the first connecting parts are a plurality of annular grooves which are arranged at intervals, and the second connecting parts are a plurality of convex rings which are respectively clamped with the annular grooves.
The trigger switch capable of being stably pressed comprises a first shell seat and a second shell seat which are mutually matched, wherein the first shell seat is provided with the limiting part.
The trigger switch capable of being pressed stably, provided by the invention, is characterized in that the steering unit further comprises a positioning elastic sheet arranged in the shell seat unit, the positioning elastic sheet is provided with a plurality of positioning grooves, the steering piece is provided with a deflector rod pivoted in the pivoting grooves and a positioning rod arranged on the deflector rod and selectively abutted against one of the positioning grooves, the deflector rod is made of plastic, and the positioning rod is made of metal.
The invention has the beneficial effects that: when the trigger button is pressed, the guide piece of the trigger button can slide along the limiting part of the shell seat unit, so that the upper side and the lower side of the trigger button are supported, and the trigger button can stably move along the limiting part without shaking.
Drawings
Other features and advantages of the invention will be apparent from the following description of the embodiments with reference to the accompanying drawings, in which:
FIG. 1 is a partial cross-sectional view illustrating a prior art trigger switch;
FIG. 2 is a perspective view illustrating an embodiment of the steadily depressible trigger switch of the present invention;
FIG. 3 is an exploded perspective view of the embodiment;
FIG. 4 is a perspective view of a housing base unit of the embodiment;
FIG. 5 is a cross-sectional view taken along line V-V in FIG. 2;
FIG. 6 is a perspective view of one steering unit of the embodiment from the bottom side;
FIG. 7 is an exploded perspective view illustrating a pusher bar of a trigger assembly of the illustrated embodiment being detachably mounted to a trigger button;
FIG. 8 is a fragmentary side view of the embodiment;
FIG. 9 is a cross-sectional view taken along line IX-IX in FIG. 8; a kind of electronic device with high-pressure air-conditioning system
Fig. 10 is a side view similar to fig. 8 illustrating the sliding movement of the two guides of the trigger button along the two limit stops of the housing unit, respectively.
Detailed Description
Referring to fig. 2-4, the embodiment of the steadily depressible trigger switch of the present invention is suitable for mounting on a power tool (not shown), such as, but not limited to, an electric drill, and comprises a housing unit 2, a circuit board 3, a steering unit 4, and a trigger unit 5.
The housing unit 2 includes a first housing 21 and a second housing 22 mutually aligned along a transverse direction Y, the first housing 21 and the second housing 22 define a chamber 200 (see fig. 5) around, and an opening 201 and a pivot 202 spatially communicating with the chamber 200 and the surrounding environment. The first housing 21 has two limiting portions 211 located outside the accommodating chamber 200, the limiting portions 211 are disposed on opposite sides of the opening 201 at intervals along a longitudinal direction Z perpendicular to the transverse direction Y, specifically, the transverse direction Y is a left-right direction, the longitudinal direction Z is an up-down direction, and the pivot groove 202 is located above the limiting portions 211. Each of the limiting portions 211 of the present embodiment is a plate body. In order to improve the convenience of assembling the components, the housing unit 2 designs the first housing 21 and the second housing 22 to be right and left in a right-to-left manner, but can be disassembled into a plurality of housings, so long as the assembly can be smoothly performed.
Referring to fig. 2, 3 and 5, the circuit board 3 is disposed in the chamber 200, the circuit board 3 is used for controlling the operation and rotation directions of the electric tool, and has a first surface 31 and a second surface 32 disposed opposite to each other, the first surface 31 in this embodiment is a bottom surface and has a plurality of resistance bands (not shown), and the resistance bands are used for generating circuit signals for controlling the start-up and rotation speed of the electric tool. The second surface 32 is a top surface and has three metal pads 321, and the metal pads 321 are used for generating a circuit signal for controlling the rotation direction of the electric tool. Since the person skilled in the art can deduce the extended details from the above description, and the design of the circuit board 3 can be changed in various ways, such as the combination of hall elements and magnets, to achieve the same effect, the description is omitted.
Referring to fig. 5 and 6, the steering unit 4 is operatively disposed on the housing unit 2 and electrically connected to the circuit board 3. The steering unit 4 includes a steering member 41, a steering spring 42, and a positioning spring 43. The steering member 41 has a lever 411 rotatably pivoted to the pivot groove 202, and a positioning lever 412 mounted to the lever 411. The steering member 41 has a pivot 413 pivotally disposed in the pivot slot 202, a toggle end 414 exposed outside the housing unit 2, a steering end 415 opposite to the toggle end 414, and a positioning portion 416 disposed between the pivot 413 and the steering end 415. The positioning rod 412 is mounted to the positioning portion 416. The shift lever 411 of this embodiment is integrally formed of plastic, and the positioning lever 412 is made of metal.
The steering spring piece 42 is provided at a steering end 415 of the steering member 41 and slidably abuts against the second surface 32 of the circuit board 3. The positioning spring piece 43 is disposed in the housing unit 2, and the positioning spring piece 43 is formed with three positioning slots 431 for the positioning rod 412 to abut. The toggle end 414 of the toggle member 41 can drive the toggle spring 42 to move relative to the circuit board 3, and the toggle spring 42 contacts different two metal pads 321 (see fig. 3) to control the electric tool to rotate forward or backward, and simultaneously, the positioning rod 412 abuts against one of the positioning slots 431 of the positioning spring 43 to position the steering unit 4. The positioning rod 412 made of metal has better wear resistance and can prolong the service life.
Referring to fig. 3, 5 and 7, the trigger unit 5 is operatively disposed on the housing unit 2 and electrically connected to the circuit board 3. The trigger unit 5 includes a sliding seat 51 disposed in the chamber 200 and capable of moving relative to the circuit board 3, and a trigger set 52 capable of being pressed against the housing unit 2 and driving the sliding seat 51 to move. The sliding seat 51 has a plurality of conductive spring plates 511 located on the top side and slidably abutting against the first surface 31 of the circuit board 3.
The trigger set 52 has a push rod 521, a trigger button 522, and a resilient member 523. The pushing rod 521 movably penetrates through the opening 201 and is provided for the sliding seat 51, a first connection portion 524 is formed at an end of the pushing rod 521 exposed out of the housing unit 2, and a mounting groove 525 is formed at the other end of the pushing rod 521. The trigger button 522 is disposed on the push rod 521 and is used for pressing, the trigger button 522 has a second connecting portion 526 detachably disposed on the first connecting portion 524, and by combining the push rod 521 and the trigger button 522 in two pieces, the trigger button 522 with different styles or materials can be selected to be mounted on the push rod 521 during production and assembly, so that the variability is high. The elastic member 523 is arranged between the mounting groove 525 of the push rod 521 and the housing unit 2 in a resiliently pressing manner, and when the elastic member 523 is compressed, potential energy for resetting the trigger set 52 is generated. By pressing the trigger button 522 to drive the sliding seat 51 to move, the conductive spring piece 511 can move relative to the circuit board 3, so as to achieve the function of controlling the power on, power off and rotation speed of the electric tool.
Specifically, the trigger button 522 and the push rod 521 are made of plastic, the first connecting portion 524 is a plurality of circular annular grooves with a diameter gradually decreasing, the second connecting portion 526 is a plurality of circular convex rings respectively engaged with the annular grooves, the first connecting portion 524 and the second connecting portion 526 are tightly engaged by tapered concave-convex engagement, and an operator can directly press the push rod 521 into the trigger button 522 to complete the assembly, which is simple and convenient.
Referring to fig. 7 to 9, the trigger button 522 further has two guide members 527 respectively disposed on the upper and lower sides of the second connecting portion 526, and each of the guide members 527 in this embodiment is a pair of grooves spaced apart from each other in the transverse direction Y. The guiding parts 527 are respectively penetrated by the limiting parts 211.
Referring to fig. 8 to 10, when the user presses the trigger button 522, the guide member 527 of the trigger button 522 slides along the limiting portion 211, and the upper and lower sides of the trigger button 522 are supported by the limiting portion 211 during sliding, so that the trigger button 522 can stably move along the limiting portion 211 without shaking. In some variations, each of the limiting portions 211 may be designed as two left and right guide rails for sliding the guiding members 527, or each of the guiding members 527 may be replaced by two left and right protruding strips or only one protruding strip, so as to achieve the guiding and supporting functions similar to a track. Since the person skilled in the art can deduce the extended details from the above description, no description is given.
From the above description, the advantages of the foregoing embodiments can be summarized as follows:
1. when the user presses the trigger button 522 of the present invention, the guide member 527 of the trigger button 522 slides along the limiting section 211 of the housing unit 2, so that the upper and lower sides of the trigger button 522 are supported, and the trigger button 522 can stably move along the limiting section 211 without shaking, so that the present invention can stably press the trigger button 522, and the pressing feeling is better.
2. In this embodiment, the positioning rod 412 made of metal abuts against the positioning spring 43, so that the steering unit 4 is positioned, which has better wear resistance and can prolong the service life of the steering unit 4.
3. The present embodiment can select different types or materials of the trigger button 522 to be mounted on the push rod 521 by the separate design of the push rod 521 and the trigger button 522, so that the present embodiment has the advantage of high variability.
4. In this embodiment, by using the tight fit between the first connecting portion 524 and the second connecting portion 526, the operator can press the push rod 521 into the trigger button 522 to complete the BCPI-230206 page 7/7
The assembly and the fixation are quite simple and convenient.
The foregoing is merely illustrative of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims and their equivalents.
Claims (7)
1. A trigger switch that can stabilize and press is applicable to and installs at electric tool, its characterized in that: the trigger switch capable of being stably pressed comprises:
the shell seat unit surrounds and defines a containing chamber, the shell seat unit is provided with two limiting parts positioned outside the containing chamber, and an opening and a pivoting groove which are spatially communicated with the containing chamber and the surrounding environment, and the limiting parts are arranged on two opposite sides of the opening at intervals along the longitudinal direction;
the circuit board is used for controlling the operation of the electric tool, is arranged in the accommodating chamber and is provided with a first surface and a second surface which are oppositely arranged;
the steering unit is arranged on the shell seat unit in an operable manner and is electrically connected with the circuit board, and comprises a steering piece pivoted on the pivot groove and a steering spring piece arranged on the steering piece and capable of being in sliding contact with the second surface of the circuit board, and the steering spring piece can move relative to the circuit board by operating the steering piece; a kind of electronic device with high-pressure air-conditioning system
A trigger unit operatively disposed in the housing unit and electrically connected to the circuit board, the trigger unit comprising:
the sliding seat is positioned in the accommodating chamber and can move relative to the circuit board, and is provided with a plurality of conductive elastic sheets which can be in sliding contact with the first surface of the circuit board, and
the trigger group can be pressed set up in the shell seat unit and drive the seat that slides is removed, trigger group has can movably wear to locate the trompil and supplies the catch bar that the seat set up that slides, set up the catch bar expose in the one end of shell seat unit, and can be pressed set up in the catch bar with the elastic component between the shell seat unit, the catch bar has two respectively can follow the guide piece that the spacing portion slided, through the operation the catch bar can make electrically conductive shell fragment for the circuit board removes.
2. The steadily pressable trigger switch of claim 1, characterized in that: each of the guide members is a pair of grooves opposed to each other at intervals in a lateral direction perpendicular to the longitudinal direction, and each of the stopper portions is a plate body.
3. The steadily pressable trigger switch of claim 1, characterized in that: the push rod is provided with a first connecting part, and the trigger button is also provided with a second connecting part which is detachably arranged on the first connecting part.
4. A steadily pressable trigger switch as claimed in claim 3, characterized in that: the trigger button and the pushing rod are both made of plastic.
5. The steadily pressable trigger switch of claim 4, wherein: the first connecting portions are a plurality of annular grooves arranged at intervals, and the second connecting portions are a plurality of convex rings which are respectively clamped with the annular grooves.
6. The steadily pressable trigger switch of claim 1, characterized in that: the shell seat unit comprises a first shell seat and a second shell seat which are mutually matched, and the first shell seat is provided with the limiting part.
7. The steadily pressable trigger switch of claim 1, characterized in that: the steering unit further comprises a positioning elastic sheet arranged in the shell seat unit, the positioning elastic sheet is provided with a plurality of positioning grooves, the steering piece is provided with a deflector rod pivoted in the pivoting grooves and a positioning rod installed on the deflector rod and selectively abutted against one of the positioning grooves, the deflector rod is made of plastics, and the positioning rod is made of metal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW111126098A TWI806702B (en) | 2022-07-12 | 2022-07-12 | Trigger switch that can be pressed steadily |
| TW111126098 | 2022-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117393354A true CN117393354A (en) | 2024-01-12 |
Family
ID=87803205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310728439.5A Pending CN117393354A (en) | 2022-07-12 | 2023-06-19 | Trigger switch capable of being stably pressed |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN117393354A (en) |
| TW (1) | TWI806702B (en) |
-
2022
- 2022-07-12 TW TW111126098A patent/TWI806702B/en active
-
2023
- 2023-06-19 CN CN202310728439.5A patent/CN117393354A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| TW202403804A (en) | 2024-01-16 |
| TWI806702B (en) | 2023-06-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5033543B2 (en) | Trigger switch | |
| JP3388719B2 (en) | Trigger type input device | |
| EP1975956B1 (en) | Trigger Switch | |
| CN109891540B (en) | Switch contact structure, trigger switch and electric tool | |
| JP5893753B2 (en) | Reset device for automobile steering column switch system and automobile | |
| JP2015153626A (en) | Contact mechanism and trigger switch using the same, electric tool | |
| JP4104179B2 (en) | Vehicle knob switch | |
| JP2006221908A (en) | Trigger switch circuit | |
| US20130140167A1 (en) | Trigger switch | |
| CN117393354A (en) | Trigger switch capable of being stably pressed | |
| US6796202B2 (en) | Switch operating mechanism | |
| JP4620636B2 (en) | Rotation operation type output device | |
| CN110932462B (en) | Electric push rod with anti-shake and scour protection journey function | |
| JP2007257852A (en) | Jog switch structure having rotation volume | |
| JP2019160457A (en) | Switch and multidirectional input device with the same | |
| CN217495886U (en) | Four-way adjusting toggle structure of automobile seat | |
| CN117393353A (en) | Trigger switch | |
| JP5006293B2 (en) | Slide operation mechanism and slide operation type switch device provided with the mechanism | |
| JP4455864B2 (en) | Mounting structure of sliding resistance board in power tool switch | |
| CN219163230U (en) | Electric tool switch | |
| JP2000311551A (en) | Slide operation type switch | |
| JP3188638U (en) | Power tool switch mechanism | |
| CN113838699A (en) | Trigger switch | |
| JP4377713B2 (en) | Compound operation switch | |
| JPH0824446A (en) | Electric razor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |