CN209822533U - Direct current trigger switch with quick dragging structure - Google Patents
Direct current trigger switch with quick dragging structure Download PDFInfo
- Publication number
- CN209822533U CN209822533U CN201920484217.2U CN201920484217U CN209822533U CN 209822533 U CN209822533 U CN 209822533U CN 201920484217 U CN201920484217 U CN 201920484217U CN 209822533 U CN209822533 U CN 209822533U
- Authority
- CN
- China
- Prior art keywords
- push shaft
- moving contact
- spring
- trigger switch
- movable contact
- 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.)
- Active
Links
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model provides a direct current trigger switch with quick dragging structure, including the base body, upper cover, push shaft, trigger and push shaft spring, one side of push shaft is equipped with the moving contact, the below of moving contact is equipped with the moving contact support, one end of moving contact support and push shaft connection other end are fixed on the base body, the moving contact is established on the moving contact support; a boss is arranged on one side of the push shaft, a counter bore is arranged on the boss, a swing spring and a swing sheet are arranged in the counter bore, one end of the swing sheet is connected with the swing spring, and the other end of the swing sheet is connected with the moving contact; the base body is provided with a static contact piece, and the moving contact is provided with a moving contact. The dustproof alternating current trigger speed regulation switch of the utility model can ensure that the handle of the electric tool is designed to be more tiny, is easy to grasp and is not easy to fall off; novel structure, the size is small and exquisite, can extensively be used for rechargeable electric drill, rechargeable screwdriver, rechargeable electric hammer, rechargeable sweep saw, rechargeable grass trimmer and rechargeable blowing and sucking machine etc. direct current electric tool and electronic garden instrument.
Description
Technical Field
The utility model relates to a direct current switch especially relates to a direct current trigger switch of structure is dragged fast in area.
Background
The current market of the direct current switch has basically similar functions, but has the following functional defects:
1. the conventional direct current trigger switch is only internally provided with a simple dragging structure or a seesaw structure, the structure enables the silver contact to generate certain carbide due to electric arc when the switch is switched on and switched off, the switch is not reliably switched on when the carbide is gathered on the silver contact to reach a certain amount, the switch can be burnt out even the silver contact is not separated due to adhesion when the carbide is serious, a tool is not shut down, great potential safety hazards are brought to personal safety, and the national safety standard is not met.
2. The switching-over box of habitually using direct current trigger switch will be connected through complicated wire, and assembly process is complicated, and the wire is connected for connecting through no screw thread terminal, connects unreliable, causes the contact unreliable easily when being applicable to on the great instrument of vibration, can make the switch burn out when serious, brings great potential safety hazard for personal safety, does not accord with national safety standard.
Therefore, it is imperative to design a DC trigger switch with a quick dragging structure.
SUMMERY OF THE UTILITY MODEL
According to the background art, the utility model aims to avoid the aforesaid not enough, provide a direct current trigger switch of structure is dragged fast in area.
The utility model provides a pair of direct current trigger switch of structure is dragged fast in area, its technical scheme is:
a direct current trigger switch with a quick dragging structure is characterized by comprising a base body, an upper cover, a push shaft, a trigger and a push shaft spring, wherein a movable contact is arranged on one side of the push shaft, a movable contact support is arranged below the movable contact, one end of the movable contact support is connected with the push shaft, the other end of the movable contact support is fixed on the base body, and the movable contact is arranged on the movable contact support; a boss is arranged on one side of the push shaft, a counter bore is formed in the boss, a swing spring and a swing sheet are arranged in the counter bore, one end of the swing sheet is connected with the swing spring, and the other end of the swing sheet is connected with the moving contact; the base body is provided with a static contact piece, and the movable contact piece is provided with a movable contact.
The utility model provides a pair of direct current trigger switch of structure is dragged fast in area still includes following subsidiary technical scheme:
the speed regulation device comprises a push shaft, a speed regulation reed, a circuit board, a speed regulation reed, a control circuit and a control circuit board, wherein the circuit board is arranged above the push shaft, the speed regulation reed is arranged between the circuit board and the push shaft, and an electric wire.
The upper cover is provided with a groove, and a magnet is arranged in the groove.
The push shaft spring comprises a push shaft inner spring and a push shaft outer spring, the push shaft inner spring is sleeved in the push shaft outer spring, a spring post is arranged at one end of the push shaft, and the push shaft spring is installed in the spring post.
The movable contact is characterized in that a clamping groove is formed in one end of the movable contact, a stop block is arranged at one end of the clamping groove, and the clamping groove of the movable contact is clamped on the movable contact support.
The middle part of the moving contact is provided with a connecting groove, the swinging piece is provided with a connector, and the connector of the swinging piece is arranged in the connecting groove of the moving contact.
The base body is provided with a clamping hole, one end of the moving contact support is provided with a clamping joint, and the clamping joint at one end of the moving contact support is clamped in the clamping hole of the base body.
A reversing box is arranged above the upper cover and comprises a reversing box base, a reversing box turntable and a reversing box upper cover, a reversing moving contact and a reversing moving contact spring are arranged between the reversing box base and the reversing box turntable, a cylindrical through hole is formed in the reversing box turntable, a marble spring is arranged in the cylindrical through hole, and marbles are arranged at two ends of the marble spring; and one end of the circuit board is provided with a negative pole pin.
Wherein, one end of the negative pole foot is provided with a first needle-shaped head; the moving contact support is provided with a second needle-shaped head, and the first needle-shaped head and the second needle-shaped head are connected in a welding mode.
The utility model discloses an implement including following technological effect:
1. the utility model relates to a dustproof trigger speed governing switch that exchanges of a novel super little size enables the electric tool handle design more tiny, easily gripping and be difficult to take off one's hand.
2. The utility model discloses novel structure, the size is small and exquisite, and cost and ordinary speed governing switch are close, use the maintenance and repair simple and easy, can extensively be used for direct current electric tool and electronic garden instrument such as rechargeable electric drill, rechargeable screwdriver, rechargeable electric hammer, rechargeable sweep saw, rechargeable grass trimmer and rechargeable blowing and sucking machine.
Drawings
Fig. 1 is a perspective view of a dc trigger switch with a fast dragging structure according to an embodiment of the present invention.
Fig. 2 is a perspective view of a dc trigger switch with a fast dragging structure according to another embodiment of the present invention.
Fig. 3 is an exploded view of fig. 1. Fig. 4 is an exploded view of fig. 2.
In the figure, 1-a base body, 2-an upper cover, 3-a push shaft, 5-a push shaft spring, 6-a movable contact, 7-a movable contact support, 8-a static contact, 9-a circuit board, 10-a trigger, 11-a speed regulation reed, 12-a magnet, 13-a wire, 14-a reversing box base, 15-a reversing box turntable, 16-a reversing box upper cover, 17-a reversing movable contact, 18-a reversing movable contact spring, 19-a marble spring, 20-a marble, 21-a negative pole foot, 22-a first needle head, 23-a sealing ring, 31-a boss, 32-a counter bore, 33-a swinging spring, 34-a swinging piece, 35-a connector, 51-a push shaft inner spring, 52-a push shaft outer spring and 53-a positioning column, 61-movable contact, 62-clamping groove, 71-clamping joint, 72-second needle-shaped head, 151-cylindrical through hole, 101-clamping hole and 201-groove.
Detailed Description
The present invention will be described in detail with reference to the following embodiments and the accompanying drawings, wherein the described embodiments are only intended to facilitate the understanding of the present invention, and do not limit the present invention in any way. 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. 1-4, the utility model provides a dc trigger switch with quick dragging structure, including the base body 1, the upper cover 2, push shaft 3, trigger 10 and push shaft spring, one side of the push shaft 3 is provided with moving contact 6, the below of the moving contact 6 is provided with moving contact support 7, one end of the moving contact support 7 is connected with the push shaft 3, the other end of the moving contact support 7 is fixed on the base body 1, the moving contact 6 is arranged on the moving contact support 7; a boss 31 is arranged on one side of the push shaft 3, a counter bore 32 is arranged on the boss 31, a swing spring 33 and a swing sheet 34 are arranged in the counter bore 32, one end of the swing sheet 34 is connected with the swing spring 33, and the other end of the swing sheet 34 is connected with the movable contact 6; the base body 1 is provided with a static contact piece 8; the moving contact 6 is provided with a moving contact 61. The DC trigger switch of the utility model can make the handle of the electric tool designed to be more tiny, easy to grasp and not easy to fall off; the structure is novel, the size is small and exquisite, the manufacturing cost is close to that of a common speed regulating switch, the use, the maintenance and the repair are simple and easy, and the electric-powered electric drill can be widely used for direct-current electric tools and electric garden tools such as a rechargeable electric drill, a rechargeable screwdriver, a rechargeable electric hammer, a rechargeable scroll saw, a rechargeable grass trimmer, a rechargeable blowing and sucking machine and the like.
As shown in fig. 3-4, a circuit board 9 is disposed above the push shaft 3, a speed regulation reed 11 is disposed between the circuit board 9 and the push shaft 3, and an electric wire 13 is disposed on the circuit board 9.
Preferably, as shown in fig. 3-4, the upper cover 2 is provided with a groove 201, and the groove 201 is provided with a magnet 12. The upper cover 2 of this embodiment is designed with a square groove 201 for installing the magnet 12, and the magnetic field of the magnet 12 is used to attract or repel the arc of the switch at the moment of switching on and off, so as to prevent the carbide generated by the silver contact from gathering on the surface of the silver contact during the switching on and off process of the switch, and to prevent the switch from being unreliable, and to make the switch durable.
As shown in fig. 3-4, the push shaft spring 5 includes a push shaft inner spring 51 and a push shaft outer spring 52, the push shaft inner spring 51 is sleeved in the push shaft outer spring 52, one end of the push shaft 3 is provided with a spring post 53, and the push shaft spring 5 is installed in the spring post 53.
As shown in fig. 3 to 4, one end of the movable contact 6 is provided with a locking groove 62, one end of the locking groove 62 is provided with a stopper 63, and the locking groove 62 of the movable contact 6 is locked to the movable contact support 7.
As shown in fig. 3 to 4, a connecting groove 64 is disposed in the middle of the movable contact 6, a connecting head 35 is disposed on the swinging plate 34, and the connecting head 35 of the swinging plate 34 is disposed in the connecting groove 64 of the movable contact 6.
As shown in fig. 4, a clamping hole 101 is formed in the base body 1, a clamping head 71 is arranged at one end of the movable contact support 7, and the clamping head 71 at one end of the movable contact support 7 is clamped in the clamping hole 101 of the base body 1.
As shown in fig. 2 and 4, a reversing box is arranged above the upper cover 2, the reversing box comprises a reversing box base 14, a reversing box turntable 15 and a reversing box upper cover 16, a reversing moving contact 17 and a reversing moving contact spring 18 are arranged between the reversing box base 14 and the reversing box turntable 15, a cylindrical through hole 151 is arranged on the reversing box turntable 15, a marble spring 19 is arranged in the cylindrical through hole 151, and marbles 20 are arranged at two ends of the marble spring 19; one end of the circuit board is provided with a negative pole pin 21.
As shown in fig. 4, one end of the negative pole leg 21 is provided with a first needle-shaped head 22; the movable contact support 7 is provided with a second needle-shaped head 72, and the first needle-shaped head 22 and the second needle-shaped head 72 are connected by welding.
Wherein, as shown in fig. 3-4, a sealing ring 23 is arranged on the push shaft.
The utility model discloses a dustproof trigger speed governing switch's working process as follows:
when the trigger 10 is pressed, the trigger drives the push shaft 3 to move so as to drive the swing spring and the swing sheet 34 which are sleeved in the counter bore on the boss of the push shaft 3, and then the moving contact 6 is driven to do dragging motion by taking the moving contact support 7 fixed on the base body 1 as a fulcrum, and after a certain distance is reached, seesaw motion is performed again so as to contact the moving contact 6 with the static contact 8, after the switch is switched on, the trigger 10 is continuously pressed, and then the moving contact 61 of the moving contact 6 is dragged on the static contact 8.
When the trigger 10 is released, the push shaft 3 is reset under the combined action of the push shaft outer spring 52 and the push shaft inner spring 51, at this time, the movable contact 61 on the movable contact 6 is driven to drag on the static contact 8 in the opposite direction, when a certain stroke is reached, the movable contact 6 takes the movable contact support 7 fixed on the base body 1 as a fulcrum to perform seesaw motion, the movable contact 6 is separated from the static contact 8, the switch is disconnected, the trigger 10 is continuously released, and the movable contact 6 takes the movable contact support 7 to perform dragging motion until the switch is completely reset.
The utility model provides a switching-over box stretches into two apertures on the switching-over box base 14 through first needle-like head 22 on the negative pole foot 21 and second needle-like head 72 on the moving contact support 7 and exposes certain height, carries out the soldering again, becomes a main part with the switch after assembling other parts of switching-over box again, has just so realized the switching-over function of whole switch.
To sum up, the utility model discloses there is the structure of dragging fast inside the switch, has potentiometre output function again through inside circuit board, and the structure that the box that commutates in addition passes through inside hardware and switch main part to be connected makes the switch not have unnecessary wire, simple process in complete machine assembling process, can promote the production efficiency of complete machine greatly.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. A direct current trigger switch with a quick dragging structure is characterized by comprising a base body, an upper cover, a push shaft, a trigger and a push shaft spring, wherein a movable contact is arranged on one side of the push shaft, a movable contact support is arranged below the movable contact, one end of the movable contact support is connected with the push shaft, the other end of the movable contact support is fixed on the base body, and the movable contact is arranged on the movable contact support; a boss is arranged on one side of the push shaft, a counter bore is formed in the boss, a swing spring and a swing sheet are arranged in the counter bore, one end of the swing sheet is connected with the swing spring, and the other end of the swing sheet is connected with the moving contact; the base body is provided with a static contact piece, and the movable contact piece is provided with a movable contact.
2. The direct current trigger switch with the quick dragging structure according to claim 1, characterized in that: a circuit board is arranged above the push shaft, a speed regulation reed is arranged between the circuit board and the push shaft, and an electric wire is arranged on the circuit board.
3. A dc trigger switch with a fast drag structure according to claim 1 or 2, wherein: the upper cover is provided with a groove, and a magnet is arranged in the groove.
4. A dc trigger switch with a fast drag structure according to claim 1 or 2, wherein: the push shaft spring comprises a push shaft inner spring and a push shaft outer spring, the push shaft inner spring is sleeved in the push shaft outer spring, a spring post is arranged at one end of the push shaft, and the push shaft spring is installed in the spring post.
5. The direct current trigger switch with the quick dragging structure according to claim 4, wherein: one end of the moving contact is provided with a clamping groove, one end of the clamping groove is provided with a stop block, and the clamping groove of the moving contact is clamped on the moving contact support.
6. The direct current trigger switch with the quick dragging structure according to claim 5, wherein: the middle part of moving contact is provided with the spread groove, be provided with the connector on the swing piece, the connector setting of swing piece is in the spread groove of moving contact.
7. A dc trigger switch with a fast drag structure according to any of claims 1-2 and 5-6, wherein: the base body is provided with a clamping hole, one end of the moving contact support is provided with a clamping joint, and the clamping joint at one end of the moving contact support is clamped in the clamping hole of the base body.
8. The direct current trigger switch with the quick dragging structure according to claim 2, characterized in that: a reversing box is arranged above the upper cover and comprises a reversing box base, a reversing box turntable and a reversing box upper cover, a reversing moving contact and a reversing moving contact spring are arranged between the reversing box base and the reversing box turntable, a cylindrical through hole is formed in the reversing box turntable, a marble spring is arranged in the cylindrical through hole, and marbles are arranged at two ends of the marble spring; and one end of the circuit board is provided with a negative pole pin.
9. The direct current trigger switch with the quick dragging structure according to claim 8, wherein: one end of the negative pole foot is provided with a first needle-shaped head; and the moving contact support is provided with a second needle-shaped head, and the first needle-shaped head and the second needle-shaped head are connected in a welding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920484217.2U CN209822533U (en) | 2019-04-11 | 2019-04-11 | Direct current trigger switch with quick dragging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920484217.2U CN209822533U (en) | 2019-04-11 | 2019-04-11 | Direct current trigger switch with quick dragging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209822533U true CN209822533U (en) | 2019-12-20 |
Family
ID=68879598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920484217.2U Active CN209822533U (en) | 2019-04-11 | 2019-04-11 | Direct current trigger switch with quick dragging structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209822533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113921311A (en) * | 2021-09-30 | 2022-01-11 | 浙江佳奔电子有限公司 | Mini DC brushless trigger signal switch |
-
2019
- 2019-04-11 CN CN201920484217.2U patent/CN209822533U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113921311A (en) * | 2021-09-30 | 2022-01-11 | 浙江佳奔电子有限公司 | Mini DC brushless trigger signal switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209822533U (en) | Direct current trigger switch with quick dragging structure | |
| CN202305994U (en) | Universal rotation mechanism for lamp holder of cold-light magnifying glass | |
| CN202278527U (en) | Handheld automatic screw-driving machine structure | |
| CN202332599U (en) | Welding gun handle trigger with micro-control switch | |
| CN216957812U (en) | Dustproof microswitch | |
| CN110767480A (en) | Direct current signal trigger switch based on Hall signal control | |
| WO2016106984A1 (en) | Armature circuit in electric tool and battery pack socket | |
| CN210925777U (en) | DC trigger switch with double contact point contact structure | |
| CN214560438U (en) | Electric torque wrench for connecting reinforcing steel bar positive and negative screw sleeves | |
| CN210668152U (en) | Direct current signal trigger switch based on Hall signal control | |
| CN209380886U (en) | A kind of accounting bill perforating device | |
| CN110744135A (en) | Hand-held band saw | |
| CN201742757U (en) | Pruner | |
| CN214684911U (en) | Welding gun for welding seam at narrow position | |
| CN201728429U (en) | Oblique cutting saw worktable positioning device | |
| CN110744504A (en) | Hand-held electric tool | |
| CN219937810U (en) | Wire stripper for low-voltage line live connection | |
| CN213857870U (en) | Positioning device and welding tool for small sheet metal parts | |
| CN218083203U (en) | Bakelite mills workstation | |
| CN215468671U (en) | Automatic welding machine for processing lithium battery tab | |
| CN211868084U (en) | Cleaning mechanism of bench drilling machine | |
| CN207155100U (en) | A kind of pneumatic type point projection welder | |
| CN220585434U (en) | Battery quick-connection structure for electric tool | |
| CN109365972A (en) | A kind of efficient diode mash welder | |
| CN212626466U (en) | Ultra-silent wire stripping and terminal crimping machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 325608 Longze village and Nanyang Village, Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: ZHEJIANG JIABEN ELECTRONICS Co.,Ltd. Address before: 325609 Tiancheng Industrial Zone, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: ZHEJIANG JIABEN ELECTRONICS Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |